diff options
Diffstat (limited to 'src/gallium/state_trackers/glx')
| -rw-r--r-- | src/gallium/state_trackers/glx/Makefile | 25 | ||||
| -rw-r--r-- | src/gallium/state_trackers/glx/xlib/Makefile | 25 | ||||
| -rw-r--r-- | src/gallium/state_trackers/glx/xlib/fakeglx.c | 2743 | ||||
| -rw-r--r-- | src/gallium/state_trackers/glx/xlib/fakeglx.h | 41 | ||||
| -rw-r--r-- | src/gallium/state_trackers/glx/xlib/fakeglx_fonts.c | 373 | ||||
| -rw-r--r-- | src/gallium/state_trackers/glx/xlib/glxapi.c | 1246 | ||||
| -rw-r--r-- | src/gallium/state_trackers/glx/xlib/glxapi.h | 213 | ||||
| -rw-r--r-- | src/gallium/state_trackers/glx/xlib/xm_api.c | 1229 | ||||
| -rw-r--r-- | src/gallium/state_trackers/glx/xlib/xm_api.h | 393 | ||||
| -rw-r--r-- | src/gallium/state_trackers/glx/xlib/xm_winsys.h | 57 |
10 files changed, 6345 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/glx/Makefile b/src/gallium/state_trackers/glx/Makefile new file mode 100644 index 00000000000..f779035763e --- /dev/null +++ b/src/gallium/state_trackers/glx/Makefile @@ -0,0 +1,25 @@ +TOP = ../../../.. +include $(TOP)/configs/current + + +SUBDIRS = xlib + + +default: subdirs + + +subdirs: + @for dir in $(SUBDIRS) ; do \ + if [ -d $$dir ] ; then \ + (cd $$dir && $(MAKE)) || exit 1 ; \ + fi \ + done + + +clean: + rm -f `find . -name \*.[oa]` + rm -f `find . -name depend` + + +# Dummy install target +install: diff --git a/src/gallium/state_trackers/glx/xlib/Makefile b/src/gallium/state_trackers/glx/xlib/Makefile new file mode 100644 index 00000000000..1b63db1f0ea --- /dev/null +++ b/src/gallium/state_trackers/glx/xlib/Makefile @@ -0,0 +1,25 @@ +TOP = ../../../../.. +include $(TOP)/configs/current + +LIBNAME = xlib + + +DRIVER_INCLUDES = \ + -I$(TOP)/include \ + -I$(TOP)/src/mesa \ + -I$(TOP)/src/mesa/main \ + -I$(TOP)/src/gallium/include \ + -I$(TOP)/src/gallium/drivers \ + -I$(TOP)/src/gallium/auxiliary + +C_SOURCES = \ + glxapi.c \ + fakeglx.c \ + fakeglx_fonts.c \ + xm_api.c + + +include ../../../Makefile.template + +symlinks: + diff --git a/src/gallium/state_trackers/glx/xlib/fakeglx.c b/src/gallium/state_trackers/glx/xlib/fakeglx.c new file mode 100644 index 00000000000..65e7048188e --- /dev/null +++ b/src/gallium/state_trackers/glx/xlib/fakeglx.c @@ -0,0 +1,2743 @@ +/* + * Mesa 3-D graphics library + * Version: 7.1 + * + * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +/* + * This is an emulation of the GLX API which allows Mesa/GLX-based programs + * to run on X servers which do not have the real GLX extension. + * + * Thanks to the contributors: + * + * Initial version: Philip Brown ([email protected]) + * Better glXGetConfig() support: Armin Liebchen ([email protected]) + * Further visual-handling refinements: Wolfram Gloger + * ([email protected]). + * + * Notes: + * Don't be fooled, stereo isn't supported yet. + */ + + + +#include "glxapi.h" +#include "xm_api.h" +#include "context.h" +#include "config.h" +#include "macros.h" +#include "imports.h" +#include "version.h" +#include "fakeglx.h" +#include "state_tracker/st_context.h" +#include "state_tracker/st_public.h" + + +/* This indicates the client-side GLX API and GLX encoder version. */ +#define CLIENT_MAJOR_VERSION 1 +#define CLIENT_MINOR_VERSION 4 /* but don't have 1.3's pbuffers, etc yet */ + +/* This indicates the server-side GLX decoder version. + * GLX 1.4 indicates OpenGL 1.3 support + */ +#define SERVER_MAJOR_VERSION 1 +#define SERVER_MINOR_VERSION 4 + +/* This is appended onto the glXGetClient/ServerString version strings. */ +#define MESA_GLX_VERSION "Mesa " MESA_VERSION_STRING + +/* Who implemented this GLX? */ +#define VENDOR "Brian Paul" + +#define EXTENSIONS \ + "GLX_MESA_copy_sub_buffer " \ + "GLX_MESA_pixmap_colormap " \ + "GLX_MESA_release_buffers " \ + "GLX_ARB_get_proc_address " \ + "GLX_EXT_texture_from_pixmap " \ + "GLX_EXT_visual_info " \ + "GLX_EXT_visual_rating " \ + /*"GLX_SGI_video_sync "*/ \ + "GLX_SGIX_fbconfig " \ + "GLX_SGIX_pbuffer " + +/* + * Our fake GLX context will contain a "real" GLX context and an XMesa context. + * + * Note that a pointer to a __GLXcontext is a pointer to a fake_glx_context, + * and vice versa. + * + * We really just need this structure in order to make the libGL functions + * glXGetCurrentContext(), glXGetCurrentDrawable() and glXGetCurrentDisplay() + * work correctly. + */ +struct fake_glx_context { + __GLXcontext glxContext; /* this MUST be first! */ + XMesaContext xmesaContext; +}; + + + +/**********************************************************************/ +/*** GLX Visual Code ***/ +/**********************************************************************/ + +#define DONT_CARE -1 + + +static XMesaVisual *VisualTable = NULL; +static int NumVisuals = 0; + + + +/* Macro to handle c_class vs class field name in XVisualInfo struct */ +#if defined(__cplusplus) || defined(c_plusplus) +#define CLASS c_class +#else +#define CLASS class +#endif + + + +/* + * Test if the given XVisualInfo is usable for Mesa rendering. + */ +static GLboolean +is_usable_visual( XVisualInfo *vinfo ) +{ + switch (vinfo->CLASS) { + case StaticGray: + case GrayScale: + /* Any StaticGray/GrayScale visual works in RGB or CI mode */ + return GL_TRUE; + case StaticColor: + case PseudoColor: + /* Any StaticColor/PseudoColor visual of at least 4 bits */ + if (vinfo->depth>=4) { + return GL_TRUE; + } + else { + return GL_FALSE; + } + case TrueColor: + case DirectColor: + /* Any depth of TrueColor or DirectColor works in RGB mode */ + return GL_TRUE; + default: + /* This should never happen */ + return GL_FALSE; + } +} + + +/* + * Given an XVisualInfo and RGB, Double, and Depth buffer flags, save the + * configuration in our list of GLX visuals. + */ +static XMesaVisual +save_glx_visual( Display *dpy, XVisualInfo *vinfo, + GLboolean rgbFlag, GLboolean alphaFlag, GLboolean dbFlag, + GLboolean stereoFlag, + GLint depth_size, GLint stencil_size, + GLint accumRedSize, GLint accumGreenSize, + GLint accumBlueSize, GLint accumAlphaSize, + GLint level, GLint numAuxBuffers ) +{ + GLboolean ximageFlag = GL_TRUE; + XMesaVisual xmvis; + GLint i; + GLboolean comparePointers; + + if (dbFlag) { + /* Check if the MESA_BACK_BUFFER env var is set */ + char *backbuffer = _mesa_getenv("MESA_BACK_BUFFER"); + if (backbuffer) { + if (backbuffer[0]=='p' || backbuffer[0]=='P') { + ximageFlag = GL_FALSE; + } + else if (backbuffer[0]=='x' || backbuffer[0]=='X') { + ximageFlag = GL_TRUE; + } + else { + _mesa_warning(NULL, "Mesa: invalid value for MESA_BACK_BUFFER environment variable, using an XImage."); + } + } + } + + if (stereoFlag) { + /* stereo not supported */ + return NULL; + } + + if (stencil_size > 0 && depth_size > 0) + depth_size = 24; + + /* Comparing IDs uses less memory but sometimes fails. */ + /* XXX revisit this after 3.0 is finished. */ + if (_mesa_getenv("MESA_GLX_VISUAL_HACK")) + comparePointers = GL_TRUE; + else + comparePointers = GL_FALSE; + + /* Force the visual to have an alpha channel */ + if (rgbFlag && _mesa_getenv("MESA_GLX_FORCE_ALPHA")) + alphaFlag = GL_TRUE; + + /* First check if a matching visual is already in the list */ + for (i=0; i<NumVisuals; i++) { + XMesaVisual v = VisualTable[i]; + if (v->display == dpy + && v->mesa_visual.level == level + && v->mesa_visual.numAuxBuffers == numAuxBuffers + && v->ximage_flag == ximageFlag + && v->mesa_visual.rgbMode == rgbFlag + && v->mesa_visual.doubleBufferMode == dbFlag + && v->mesa_visual.stereoMode == stereoFlag + && (v->mesa_visual.alphaBits > 0) == alphaFlag + && (v->mesa_visual.depthBits >= depth_size || depth_size == 0) + && (v->mesa_visual.stencilBits >= stencil_size || stencil_size == 0) + && (v->mesa_visual.accumRedBits >= accumRedSize || accumRedSize == 0) + && (v->mesa_visual.accumGreenBits >= accumGreenSize || accumGreenSize == 0) + && (v->mesa_visual.accumBlueBits >= accumBlueSize || accumBlueSize == 0) + && (v->mesa_visual.accumAlphaBits >= accumAlphaSize || accumAlphaSize == 0)) { + /* now either compare XVisualInfo pointers or visual IDs */ + if ((!comparePointers && v->visinfo->visualid == vinfo->visualid) + || (comparePointers && v->vishandle == vinfo)) { + return v; + } + } + } + + /* Create a new visual and add it to the list. */ + + xmvis = XMesaCreateVisual( dpy, vinfo, rgbFlag, alphaFlag, dbFlag, + stereoFlag, ximageFlag, + depth_size, stencil_size, + accumRedSize, accumBlueSize, + accumBlueSize, accumAlphaSize, 0, level, + GLX_NONE_EXT ); + if (xmvis) { + /* Save a copy of the pointer now so we can find this visual again + * if we need to search for it in find_glx_visual(). + */ + xmvis->vishandle = vinfo; + /* Allocate more space for additional visual */ + VisualTable = (XMesaVisual *) _mesa_realloc( VisualTable, + sizeof(XMesaVisual) * NumVisuals, + sizeof(XMesaVisual) * (NumVisuals + 1)); + /* add xmvis to the list */ + VisualTable[NumVisuals] = xmvis; + NumVisuals++; + /* XXX minor hack, because XMesaCreateVisual doesn't support an + * aux buffers parameter. + */ + xmvis->mesa_visual.numAuxBuffers = numAuxBuffers; + } + return xmvis; +} + + +/** + * Return the default number of bits for the Z buffer. + * If defined, use the MESA_GLX_DEPTH_BITS env var value. + * Otherwise, use the DEFAULT_SOFTWARE_DEPTH_BITS constant. + * XXX probably do the same thing for stencil, accum, etc. + */ +static GLint +default_depth_bits(void) +{ + int zBits; + const char *zEnv = _mesa_getenv("MESA_GLX_DEPTH_BITS"); + if (zEnv) + zBits = _mesa_atoi(zEnv); + else + zBits = DEFAULT_SOFTWARE_DEPTH_BITS; + return zBits; +} + +static GLint +default_alpha_bits(void) +{ + int aBits; + const char *aEnv = _mesa_getenv("MESA_GLX_ALPHA_BITS"); + if (aEnv) + aBits = _mesa_atoi(aEnv); + else + aBits = 0; + return aBits; +} + +static GLint +default_accum_bits(void) +{ + return 16; +} + + + +/* + * Create a GLX visual from a regular XVisualInfo. + * This is called when Fake GLX is given an XVisualInfo which wasn't + * returned by glXChooseVisual. Since this is the first time we're + * considering this visual we'll take a guess at reasonable values + * for depth buffer size, stencil size, accum size, etc. + * This is the best we can do with a client-side emulation of GLX. + */ +static XMesaVisual +create_glx_visual( Display *dpy, XVisualInfo *visinfo ) +{ + GLint zBits = default_depth_bits(); + GLint accBits = default_accum_bits(); + GLboolean alphaFlag = default_alpha_bits() > 0; + + if (is_usable_visual( visinfo )) { + /* Configure this visual as RGB, double-buffered, depth-buffered. */ + /* This is surely wrong for some people's needs but what else */ + /* can be done? They should use glXChooseVisual(). */ + return save_glx_visual( dpy, visinfo, + GL_TRUE, /* rgb */ + alphaFlag, /* alpha */ + GL_TRUE, /* double */ + GL_FALSE, /* stereo */ + zBits, + STENCIL_BITS, + accBits, /* r */ + accBits, /* g */ + accBits, /* b */ + accBits, /* a */ + 0, /* level */ + 0 /* numAux */ + ); + } + else { + _mesa_warning(NULL, "Mesa: error in glXCreateContext: bad visual\n"); + return NULL; + } +} + + + +/* + * Find the GLX visual associated with an XVisualInfo. + */ +static XMesaVisual +find_glx_visual( Display *dpy, XVisualInfo *vinfo ) +{ + int i; + + /* try to match visual id */ + for (i=0;i<NumVisuals;i++) { + if (VisualTable[i]->display==dpy + && VisualTable[i]->visinfo->visualid == vinfo->visualid) { + return VisualTable[i]; + } + } + + /* if that fails, try to match pointers */ + for (i=0;i<NumVisuals;i++) { + if (VisualTable[i]->display==dpy && VisualTable[i]->vishandle==vinfo) { + return VisualTable[i]; + } + } + + return NULL; +} + + + + + + +/** + * Try to get an X visual which matches the given arguments. + */ +static XVisualInfo * +get_visual( Display *dpy, int scr, unsigned int depth, int xclass ) +{ + XVisualInfo temp, *vis; + long mask; + int n; + unsigned int default_depth; + int default_class; + + mask = VisualScreenMask | VisualDepthMask | VisualClassMask; + temp.screen = scr; + temp.depth = depth; + temp.CLASS = xclass; + + default_depth = DefaultDepth(dpy,scr); + default_class = DefaultVisual(dpy,scr)->CLASS; + + if (depth==default_depth && xclass==default_class) { + /* try to get root window's visual */ + temp.visualid = DefaultVisual(dpy,scr)->visualid; + mask |= VisualIDMask; + } + + vis = XGetVisualInfo( dpy, mask, &temp, &n ); + + /* In case bits/pixel > 24, make sure color channels are still <=8 bits. + * An SGI Infinite Reality system, for example, can have 30bpp pixels: + * 10 bits per color channel. Mesa's limited to a max of 8 bits/channel. + */ + if (vis && depth > 24 && (xclass==TrueColor || xclass==DirectColor)) { + if (_mesa_bitcount((GLuint) vis->red_mask ) <= 8 && + _mesa_bitcount((GLuint) vis->green_mask) <= 8 && + _mesa_bitcount((GLuint) vis->blue_mask ) <= 8) { + return vis; + } + else { + XFree((void *) vis); + return NULL; + } + } + + return vis; +} + + + +/* + * Retrieve the value of the given environment variable and find + * the X visual which matches it. + * Input: dpy - the display + * screen - the screen number + * varname - the name of the environment variable + * Return: an XVisualInfo pointer to NULL if error. + */ +static XVisualInfo * +get_env_visual(Display *dpy, int scr, const char *varname) +{ + char value[100], type[100]; + int depth, xclass = -1; + XVisualInfo *vis; + + if (!_mesa_getenv( varname )) { + return NULL; + } + + _mesa_strncpy( value, _mesa_getenv(varname), 100 ); + value[99] = 0; + + sscanf( value, "%s %d", type, &depth ); + + if (_mesa_strcmp(type,"TrueColor")==0) xclass = TrueColor; + else if (_mesa_strcmp(type,"DirectColor")==0) xclass = DirectColor; + else if (_mesa_strcmp(type,"PseudoColor")==0) xclass = PseudoColor; + else if (_mesa_strcmp(type,"StaticColor")==0) xclass = StaticColor; + else if (_mesa_strcmp(type,"GrayScale")==0) xclass = GrayScale; + else if (_mesa_strcmp(type,"StaticGray")==0) xclass = StaticGray; + + if (xclass>-1 && depth>0) { + vis = get_visual( dpy, scr, depth, xclass ); + if (vis) { + return vis; + } + } + + _mesa_warning(NULL, "GLX unable to find visual class=%s, depth=%d.", + type, depth); + + return NULL; +} + + + +/* + * Select an X visual which satisfies the RGBA flag and minimum depth. + * Input: dpy, + * screen - X display and screen number + * min_depth - minimum visual depth + * preferred_class - preferred GLX visual class or DONT_CARE + * Return: pointer to an XVisualInfo or NULL. + */ +static XVisualInfo * +choose_x_visual( Display *dpy, int screen, int min_depth, + int preferred_class ) +{ + XVisualInfo *vis; + int xclass, visclass = 0; + int depth; + + /* First see if the MESA_RGB_VISUAL env var is defined */ + vis = get_env_visual( dpy, screen, "MESA_RGB_VISUAL" ); + if (vis) { + return vis; + } + /* Otherwise, search for a suitable visual */ + if (preferred_class==DONT_CARE) { + for (xclass=0;xclass<6;xclass++) { + switch (xclass) { + case 0: visclass = TrueColor; break; + case 1: visclass = DirectColor; break; + case 2: visclass = PseudoColor; break; + case 3: visclass = StaticColor; break; + case 4: visclass = GrayScale; break; + case 5: visclass = StaticGray; break; + } + if (min_depth==0) { + /* start with shallowest */ + for (depth=0;depth<=32;depth++) { + if (visclass==TrueColor && depth==8) { + /* Special case: try to get 8-bit PseudoColor before */ + /* 8-bit TrueColor */ + vis = get_visual( dpy, screen, 8, PseudoColor ); + if (vis) { + return vis; + } + } + vis = get_visual( dpy, screen, depth, visclass ); + if (vis) { + return vis; + } + } + } + else { + /* start with deepest */ + for (depth=32;depth>=min_depth;depth--) { + if (visclass==TrueColor && depth==8) { + /* Special case: try to get 8-bit PseudoColor before */ + /* 8-bit TrueColor */ + vis = get_visual( dpy, screen, 8, PseudoColor ); + if (vis) { + return vis; + } + } + vis = get_visual( dpy, screen, depth, visclass ); + if (vis) { + return vis; + } + } + } + } + } + else { + /* search for a specific visual class */ + switch (preferred_class) { + case GLX_TRUE_COLOR_EXT: visclass = TrueColor; break; + case GLX_DIRECT_COLOR_EXT: visclass = DirectColor; break; + case GLX_PSEUDO_COLOR_EXT: visclass = PseudoColor; break; + case GLX_STATIC_COLOR_EXT: visclass = StaticColor; break; + case GLX_GRAY_SCALE_EXT: visclass = GrayScale; break; + case GLX_STATIC_GRAY_EXT: visclass = StaticGray; break; + default: return NULL; + } + if (min_depth==0) { + /* start with shallowest */ + for (depth=0;depth<=32;depth++) { + vis = get_visual( dpy, screen, depth, visclass ); + if (vis) { + return vis; + } + } + } + else { + /* start with deepest */ + for (depth=32;depth>=min_depth;depth--) { + vis = get_visual( dpy, screen, depth, visclass ); + if (vis) { + return vis; + } + } + } + } + + /* didn't find a visual */ + return NULL; +} + + + + +/**********************************************************************/ +/*** Display-related functions ***/ +/**********************************************************************/ + + +/** + * Free all XMesaVisuals which are associated with the given display. + */ +static void +destroy_visuals_on_display(Display *dpy) +{ + int i; + for (i = 0; i < NumVisuals; i++) { + if (VisualTable[i]->display == dpy) { + /* remove this visual */ + int j; + free(VisualTable[i]); + for (j = i; j < NumVisuals - 1; j++) + VisualTable[j] = VisualTable[j + 1]; + NumVisuals--; + } + } +} + + +/** + * Called from XCloseDisplay() to let us free our display-related data. + */ +static int +close_display_callback(Display *dpy, XExtCodes *codes) +{ + destroy_visuals_on_display(dpy); + xmesa_destroy_buffers_on_display(dpy); + return 0; +} + + +/** + * Look for the named extension on given display and return a pointer + * to the _XExtension data, or NULL if extension not found. + */ +static _XExtension * +lookup_extension(Display *dpy, const char *extName) +{ + _XExtension *ext; + for (ext = dpy->ext_procs; ext; ext = ext->next) { + if (ext->name && strcmp(ext->name, extName) == 0) { + return ext; + } + } + return NULL; +} + + +/** + * Whenever we're given a new Display pointer, call this function to + * register our close_display_callback function. + */ +static void +register_with_display(Display *dpy) +{ + const char *extName = "MesaGLX"; + _XExtension *ext; + + ext = lookup_extension(dpy, extName); + if (!ext) { + XExtCodes *c = XAddExtension(dpy); + ext = dpy->ext_procs; /* new extension is at head of list */ + assert(c->extension == ext->codes.extension); + ext->name = _mesa_strdup(extName); + ext->close_display = close_display_callback; + } +} + + +/**********************************************************************/ +/*** Begin Fake GLX API Functions ***/ +/**********************************************************************/ + + +/** + * Helper used by glXChooseVisual and glXChooseFBConfig. + * The fbConfig parameter must be GL_FALSE for the former and GL_TRUE for + * the later. + * In either case, the attribute list is terminated with the value 'None'. + */ +static XMesaVisual +choose_visual( Display *dpy, int screen, const int *list, GLboolean fbConfig ) +{ + const GLboolean rgbModeDefault = fbConfig; + const int *parselist; + XVisualInfo *vis; + int min_ci = 0; + int min_red=0, min_green=0, min_blue=0; + GLboolean rgb_flag = rgbModeDefault; + GLboolean alpha_flag = GL_FALSE; + GLboolean double_flag = GL_FALSE; + GLboolean stereo_flag = GL_FALSE; + GLint depth_size = 0; + GLint stencil_size = 0; + GLint accumRedSize = 0; + GLint accumGreenSize = 0; + GLint accumBlueSize = 0; + GLint accumAlphaSize = 0; + int level = 0; + int visual_type = DONT_CARE; + int trans_type = DONT_CARE; + int trans_value = DONT_CARE; + GLint caveat = DONT_CARE; + XMesaVisual xmvis = NULL; + int desiredVisualID = -1; + int numAux = 0; + + parselist = list; + + while (*parselist) { + + switch (*parselist) { + case GLX_USE_GL: + if (fbConfig) { + /* invalid token */ + return NULL; + } + else { + /* skip */ + parselist++; + } + break; + case GLX_BUFFER_SIZE: + parselist++; + min_ci = *parselist++; + break; + case GLX_LEVEL: + parselist++; + level = *parselist++; + break; + case GLX_RGBA: + if (fbConfig) { + /* invalid token */ + return NULL; + } + else { + rgb_flag = GL_TRUE; + parselist++; + } + break; + case GLX_DOUBLEBUFFER: + parselist++; + if (fbConfig) { + double_flag = *parselist++; + } + else { + double_flag = GL_TRUE; + } + break; + case GLX_STEREO: + parselist++; + if (fbConfig) { + stereo_flag = *parselist++; + } + else { + stereo_flag = GL_TRUE; + } + break; + case GLX_AUX_BUFFERS: + parselist++; + numAux = *parselist++; + if (numAux > MAX_AUX_BUFFERS) + return NULL; + break; + case GLX_RED_SIZE: + parselist++; + min_red = *parselist++; + break; + case GLX_GREEN_SIZE: + parselist++; + min_green = *parselist++; + break; + case GLX_BLUE_SIZE: + parselist++; + min_blue = *parselist++; + break; + case GLX_ALPHA_SIZE: + parselist++; + { + GLint size = *parselist++; + alpha_flag = size ? GL_TRUE : GL_FALSE; + } + break; + case GLX_DEPTH_SIZE: + parselist++; + depth_size = *parselist++; + break; + case GLX_STENCIL_SIZE: + parselist++; + stencil_size = *parselist++; + break; + case GLX_ACCUM_RED_SIZE: + parselist++; + { + GLint size = *parselist++; + accumRedSize = MAX2( accumRedSize, size ); + } + break; + case GLX_ACCUM_GREEN_SIZE: + parselist++; + { + GLint size = *parselist++; + accumGreenSize = MAX2( accumGreenSize, size ); + } + break; + case GLX_ACCUM_BLUE_SIZE: + parselist++; + { + GLint size = *parselist++; + accumBlueSize = MAX2( accumBlueSize, size ); + } + break; + case GLX_ACCUM_ALPHA_SIZE: + parselist++; + { + GLint size = *parselist++; + accumAlphaSize = MAX2( accumAlphaSize, size ); + } + break; + + /* + * GLX_EXT_visual_info extension + */ + case GLX_X_VISUAL_TYPE_EXT: + parselist++; + visual_type = *parselist++; + break; + case GLX_TRANSPARENT_TYPE_EXT: + parselist++; + trans_type = *parselist++; + break; + case GLX_TRANSPARENT_INDEX_VALUE_EXT: + parselist++; + trans_value = *parselist++; + break; + case GLX_TRANSPARENT_RED_VALUE_EXT: + case GLX_TRANSPARENT_GREEN_VALUE_EXT: + case GLX_TRANSPARENT_BLUE_VALUE_EXT: + case GLX_TRANSPARENT_ALPHA_VALUE_EXT: + /* ignore */ + parselist++; + parselist++; + break; + + /* + * GLX_EXT_visual_info extension + */ + case GLX_VISUAL_CAVEAT_EXT: + parselist++; + caveat = *parselist++; /* ignored for now */ + break; + + /* + * GLX_ARB_multisample + */ + case GLX_SAMPLE_BUFFERS_ARB: + /* ms not supported */ + return NULL; + case GLX_SAMPLES_ARB: + /* ms not supported */ + return NULL; + + /* + * FBConfig attribs. + */ + case GLX_RENDER_TYPE: + if (!fbConfig) + return NULL; + parselist++; + if (*parselist == GLX_RGBA_BIT) { + rgb_flag = GL_TRUE; + } + else if (*parselist == GLX_COLOR_INDEX_BIT) { + rgb_flag = GL_FALSE; + } + else if (*parselist == 0) { + rgb_flag = GL_TRUE; + } + parselist++; + break; + case GLX_DRAWABLE_TYPE: + if (!fbConfig) + return NULL; + parselist++; + if (*parselist & ~(GLX_WINDOW_BIT | GLX_PIXMAP_BIT | GLX_PBUFFER_BIT)) { + return NULL; /* bad bit */ + } + parselist++; + break; + case GLX_FBCONFIG_ID: + if (!fbConfig) + return NULL; + parselist++; + desiredVisualID = *parselist++; + break; + case GLX_X_RENDERABLE: + if (!fbConfig) + return NULL; + parselist += 2; + /* ignore */ + break; + +#ifdef GLX_EXT_texture_from_pixmap + case GLX_BIND_TO_TEXTURE_RGB_EXT: + parselist++; /*skip*/ + break; + case GLX_BIND_TO_TEXTURE_RGBA_EXT: + parselist++; /*skip*/ + break; + case GLX_BIND_TO_MIPMAP_TEXTURE_EXT: + parselist++; /*skip*/ + break; + case GLX_BIND_TO_TEXTURE_TARGETS_EXT: + parselist++; + if (*parselist & ~(GLX_TEXTURE_1D_BIT_EXT | + GLX_TEXTURE_2D_BIT_EXT | + GLX_TEXTURE_RECTANGLE_BIT_EXT)) { + /* invalid bit */ + return NULL; + } + break; + case GLX_Y_INVERTED_EXT: + parselist++; /*skip*/ + break; +#endif + + case None: + /* end of list */ + break; + + default: + /* undefined attribute */ + _mesa_warning(NULL, "unexpected attrib 0x%x in choose_visual()", + *parselist); + return NULL; + } + } + + (void) caveat; + + + /* + * Since we're only simulating the GLX extension this function will never + * find any real GL visuals. Instead, all we can do is try to find an RGB + * or CI visual of appropriate depth. Other requested attributes such as + * double buffering, depth buffer, etc. will be associated with the X + * visual and stored in the VisualTable[]. + */ + if (desiredVisualID != -1) { + /* try to get a specific visual, by visualID */ + XVisualInfo temp; + int n; + temp.visualid = desiredVisualID; + temp.screen = screen; + vis = XGetVisualInfo(dpy, VisualIDMask | VisualScreenMask, &temp, &n); + if (vis) { + /* give the visual some useful GLX attributes */ + double_flag = GL_TRUE; + rgb_flag = GL_TRUE; + depth_size = default_depth_bits(); + stencil_size = STENCIL_BITS; + /* XXX accum??? */ + } + } + else if (level==0) { + /* normal color planes */ + /* Get an RGB visual */ + int min_rgb = min_red + min_green + min_blue; + if (min_rgb>1 && min_rgb<8) { + /* a special case to be sure we can get a monochrome visual */ + min_rgb = 1; + } + vis = choose_x_visual( dpy, screen, min_rgb, visual_type ); + } + else { + _mesa_warning(NULL, "overlay not supported"); + return NULL; + } + + if (vis) { + /* Note: we're not exactly obeying the glXChooseVisual rules here. + * When GLX_DEPTH_SIZE = 1 is specified we're supposed to choose the + * largest depth buffer size, which is 32bits/value. Instead, we + * return 16 to maintain performance with earlier versions of Mesa. + */ + if (stencil_size > 0) + depth_size = 24; /* if Z and stencil, always use 24+8 format */ + else if (depth_size > 24) + depth_size = 32; + else if (depth_size > 16) + depth_size = 24; + else if (depth_size > 0) { + depth_size = default_depth_bits(); + } + + if (!alpha_flag) { + alpha_flag = default_alpha_bits() > 0; + } + + /* we only support one size of stencil and accum buffers. */ + if (stencil_size > 0) + stencil_size = STENCIL_BITS; + + if (accumRedSize > 0 || + accumGreenSize > 0 || + accumBlueSize > 0 || + accumAlphaSize > 0) { + + accumRedSize = + accumGreenSize = + accumBlueSize = default_accum_bits(); + + accumAlphaSize = alpha_flag ? accumRedSize : 0; + } + + xmvis = save_glx_visual( dpy, vis, rgb_flag, alpha_flag, double_flag, + stereo_flag, depth_size, stencil_size, + accumRedSize, accumGreenSize, + accumBlueSize, accumAlphaSize, level, numAux ); + } + + return xmvis; +} + + +static XVisualInfo * +Fake_glXChooseVisual( Display *dpy, int screen, int *list ) +{ + XMesaVisual xmvis; + + /* register ourselves as an extension on this display */ + register_with_display(dpy); + + xmvis = choose_visual(dpy, screen, list, GL_FALSE); + if (xmvis) { + /* create a new vishandle - the cached one may be stale */ + xmvis->vishandle = (XVisualInfo *) _mesa_malloc(sizeof(XVisualInfo)); + if (xmvis->vishandle) { + _mesa_memcpy(xmvis->vishandle, xmvis->visinfo, sizeof(XVisualInfo)); + } + return xmvis->vishandle; + } + else + return NULL; +} + + +static GLXContext +Fake_glXCreateContext( Display *dpy, XVisualInfo *visinfo, + GLXContext share_list, Bool direct ) +{ + XMesaVisual xmvis; + struct fake_glx_context *glxCtx; + struct fake_glx_context *shareCtx = (struct fake_glx_context *) share_list; + + if (!dpy || !visinfo) + return 0; + + glxCtx = CALLOC_STRUCT(fake_glx_context); + if (!glxCtx) + return 0; + + /* deallocate unused windows/buffers */ +#if 0 + XMesaGarbageCollect(); +#endif + + xmvis = find_glx_visual( dpy, visinfo ); + if (!xmvis) { + /* This visual wasn't found with glXChooseVisual() */ + xmvis = create_glx_visual( dpy, visinfo ); + if (!xmvis) { + /* unusable visual */ + _mesa_free(glxCtx); + return NULL; + } + } + + glxCtx->xmesaContext = XMesaCreateContext(xmvis, + shareCtx ? shareCtx->xmesaContext : NULL); + if (!glxCtx->xmesaContext) { + _mesa_free(glxCtx); + return NULL; + } + + glxCtx->glxContext.isDirect = GL_FALSE; + glxCtx->glxContext.currentDpy = dpy; + glxCtx->glxContext.xid = (XID) glxCtx; /* self pointer */ + + assert((void *) glxCtx == (void *) &(glxCtx->glxContext)); + + return (GLXContext) glxCtx; +} + + +/* XXX these may have to be removed due to thread-safety issues. */ +static GLXContext MakeCurrent_PrevContext = 0; +static GLXDrawable MakeCurrent_PrevDrawable = 0; +static GLXDrawable MakeCurrent_PrevReadable = 0; +static XMesaBuffer MakeCurrent_PrevDrawBuffer = 0; +static XMesaBuffer MakeCurrent_PrevReadBuffer = 0; + + +/* GLX 1.3 and later */ +static Bool +Fake_glXMakeContextCurrent( Display *dpy, GLXDrawable draw, + GLXDrawable read, GLXContext ctx ) +{ + struct fake_glx_context *glxCtx = (struct fake_glx_context *) ctx; + static boolean firsttime = 1, no_rast = 0; + + if (firsttime) { + no_rast = getenv("SP_NO_RAST") != NULL; + firsttime = 0; + } + + + if (ctx && draw && read) { + XMesaBuffer drawBuffer, readBuffer; + XMesaContext xmctx = glxCtx->xmesaContext; + + /* Find the XMesaBuffer which corresponds to the GLXDrawable 'draw' */ + if (ctx == MakeCurrent_PrevContext + && draw == MakeCurrent_PrevDrawable) { + drawBuffer = MakeCurrent_PrevDrawBuffer; + } + else { + drawBuffer = XMesaFindBuffer( dpy, draw ); + } + if (!drawBuffer) { + /* drawable must be a new window! */ + drawBuffer = XMesaCreateWindowBuffer( xmctx->xm_visual, draw ); + if (!drawBuffer) { + /* Out of memory, or context/drawable depth mismatch */ + return False; + } + } + + /* Find the XMesaBuffer which corresponds to the GLXDrawable 'read' */ + if (ctx == MakeCurrent_PrevContext + && read == MakeCurrent_PrevReadable) { + readBuffer = MakeCurrent_PrevReadBuffer; + } + else { + readBuffer = XMesaFindBuffer( dpy, read ); + } + if (!readBuffer) { + /* drawable must be a new window! */ + readBuffer = XMesaCreateWindowBuffer( xmctx->xm_visual, read ); + if (!readBuffer) { + /* Out of memory, or context/drawable depth mismatch */ + return False; + } + } + + if (no_rast && + MakeCurrent_PrevContext == ctx && + MakeCurrent_PrevDrawable == draw && + MakeCurrent_PrevReadable == read && + MakeCurrent_PrevDrawBuffer == drawBuffer && + MakeCurrent_PrevReadBuffer == readBuffer) + return True; + + MakeCurrent_PrevContext = ctx; + MakeCurrent_PrevDrawable = draw; + MakeCurrent_PrevReadable = read; + MakeCurrent_PrevDrawBuffer = drawBuffer; + MakeCurrent_PrevReadBuffer = readBuffer; + + /* Now make current! */ + if (XMesaMakeCurrent2(xmctx, drawBuffer, readBuffer)) { + ((__GLXcontext *) ctx)->currentDpy = dpy; + ((__GLXcontext *) ctx)->currentDrawable = draw; + ((__GLXcontext *) ctx)->currentReadable = read; + return True; + } + else { + return False; + } + } + else if (!ctx && !draw && !read) { + /* release current context w/out assigning new one. */ + XMesaMakeCurrent2( NULL, NULL, NULL ); + MakeCurrent_PrevContext = 0; + MakeCurrent_PrevDrawable = 0; + MakeCurrent_PrevReadable = 0; + MakeCurrent_PrevDrawBuffer = 0; + MakeCurrent_PrevReadBuffer = 0; + return True; + } + else { + /* The args must either all be non-zero or all zero. + * This is an error. + */ + return False; + } +} + + +static Bool +Fake_glXMakeCurrent( Display *dpy, GLXDrawable drawable, GLXContext ctx ) +{ + return Fake_glXMakeContextCurrent( dpy, drawable, drawable, ctx ); +} + + +static GLXPixmap +Fake_glXCreateGLXPixmap( Display *dpy, XVisualInfo *visinfo, Pixmap pixmap ) +{ + XMesaVisual v; + XMesaBuffer b; + + v = find_glx_visual( dpy, visinfo ); + if (!v) { + v = create_glx_visual( dpy, visinfo ); + if (!v) { + /* unusable visual */ + return 0; + } + } + + b = XMesaCreatePixmapBuffer( v, pixmap, 0 ); + if (!b) { + return 0; + } + return b->drawable; +} + + +/*** GLX_MESA_pixmap_colormap ***/ + +static GLXPixmap +Fake_glXCreateGLXPixmapMESA( Display *dpy, XVisualInfo *visinfo, + Pixmap pixmap, Colormap cmap ) +{ + XMesaVisual v; + XMesaBuffer b; + + v = find_glx_visual( dpy, visinfo ); + if (!v) { + v = create_glx_visual( dpy, visinfo ); + if (!v) { + /* unusable visual */ + return 0; + } + } + + b = XMesaCreatePixmapBuffer( v, pixmap, cmap ); + if (!b) { + return 0; + } + return b->drawable; +} + + +static void +Fake_glXDestroyGLXPixmap( Display *dpy, GLXPixmap pixmap ) +{ + XMesaBuffer b = XMesaFindBuffer(dpy, pixmap); + if (b) { + XMesaDestroyBuffer(b); + } + else if (_mesa_getenv("MESA_DEBUG")) { + _mesa_warning(NULL, "Mesa: glXDestroyGLXPixmap: invalid pixmap\n"); + } +} + + +static void +Fake_glXCopyContext( Display *dpy, GLXContext src, GLXContext dst, + unsigned long mask ) +{ + struct fake_glx_context *fakeSrc = (struct fake_glx_context *) src; + struct fake_glx_context *fakeDst = (struct fake_glx_context *) dst; + XMesaContext xm_src = fakeSrc->xmesaContext; + XMesaContext xm_dst = fakeDst->xmesaContext; + (void) dpy; + if (MakeCurrent_PrevContext == src) { + _mesa_Flush(); + } + st_copy_context_state( xm_src->st, xm_dst->st, (GLuint) mask ); +} + + +static Bool +Fake_glXQueryExtension( Display *dpy, int *errorb, int *event ) +{ + /* Mesa's GLX isn't really an X extension but we try to act like one. */ + (void) dpy; + (void) errorb; + (void) event; + return True; +} + + +extern void _kw_ungrab_all( Display *dpy ); +void _kw_ungrab_all( Display *dpy ) +{ + XUngrabPointer( dpy, CurrentTime ); + XUngrabKeyboard( dpy, CurrentTime ); +} + + +static void +Fake_glXDestroyContext( Display *dpy, GLXContext ctx ) +{ + struct fake_glx_context *glxCtx = (struct fake_glx_context *) ctx; + (void) dpy; + MakeCurrent_PrevContext = 0; + MakeCurrent_PrevDrawable = 0; + MakeCurrent_PrevReadable = 0; + MakeCurrent_PrevDrawBuffer = 0; + MakeCurrent_PrevReadBuffer = 0; + XMesaDestroyContext( glxCtx->xmesaContext ); + XMesaGarbageCollect(); + _mesa_free(glxCtx); +} + + +static Bool +Fake_glXIsDirect( Display *dpy, GLXContext ctx ) +{ + (void) dpy; + (void) ctx; + return False; +} + + + +static void +Fake_glXSwapBuffers( Display *dpy, GLXDrawable drawable ) +{ + XMesaBuffer buffer = XMesaFindBuffer( dpy, drawable ); + static boolean firsttime = 1, no_rast = 0; + + if (firsttime) { + no_rast = getenv("SP_NO_RAST") != NULL; + firsttime = 0; + } + + if (no_rast) + return; + + if (buffer) { + XMesaSwapBuffers(buffer); + } + else if (_mesa_getenv("MESA_DEBUG")) { + _mesa_warning(NULL, "glXSwapBuffers: invalid drawable 0x%x\n", + (int) drawable); + } +} + + + +/*** GLX_MESA_copy_sub_buffer ***/ + +static void +Fake_glXCopySubBufferMESA( Display *dpy, GLXDrawable drawable, + int x, int y, int width, int height ) +{ + XMesaBuffer buffer = XMesaFindBuffer( dpy, drawable ); + if (buffer) { + XMesaCopySubBuffer(buffer, x, y, width, height); + } + else if (_mesa_getenv("MESA_DEBUG")) { + _mesa_warning(NULL, "Mesa: glXCopySubBufferMESA: invalid drawable\n"); + } +} + + +static Bool +Fake_glXQueryVersion( Display *dpy, int *maj, int *min ) +{ + (void) dpy; + /* Return GLX version, not Mesa version */ + assert(CLIENT_MAJOR_VERSION == SERVER_MAJOR_VERSION); + *maj = CLIENT_MAJOR_VERSION; + *min = MIN2( CLIENT_MINOR_VERSION, SERVER_MINOR_VERSION ); + return True; +} + + +/* + * Query the GLX attributes of the given XVisualInfo. + */ +static int +get_config( XMesaVisual xmvis, int attrib, int *value, GLboolean fbconfig ) +{ + ASSERT(xmvis); + switch(attrib) { + case GLX_USE_GL: + if (fbconfig) + return GLX_BAD_ATTRIBUTE; + *value = (int) True; + return 0; + case GLX_BUFFER_SIZE: + *value = xmvis->visinfo->depth; + return 0; + case GLX_LEVEL: + *value = xmvis->mesa_visual.level; + return 0; + case GLX_RGBA: + if (fbconfig) + return GLX_BAD_ATTRIBUTE; + if (xmvis->mesa_visual.rgbMode) { + *value = True; + } + else { + *value = False; + } + return 0; + case GLX_DOUBLEBUFFER: + *value = (int) xmvis->mesa_visual.doubleBufferMode; + return 0; + case GLX_STEREO: + *value = (int) xmvis->mesa_visual.stereoMode; + return 0; + case GLX_AUX_BUFFERS: + *value = xmvis->mesa_visual.numAuxBuffers; + return 0; + case GLX_RED_SIZE: + *value = xmvis->mesa_visual.redBits; + return 0; + case GLX_GREEN_SIZE: + *value = xmvis->mesa_visual.greenBits; + return 0; + case GLX_BLUE_SIZE: + *value = xmvis->mesa_visual.blueBits; + return 0; + case GLX_ALPHA_SIZE: + *value = xmvis->mesa_visual.alphaBits; + return 0; + case GLX_DEPTH_SIZE: + *value = xmvis->mesa_visual.depthBits; + return 0; + case GLX_STENCIL_SIZE: + *value = xmvis->mesa_visual.stencilBits; + return 0; + case GLX_ACCUM_RED_SIZE: + *value = xmvis->mesa_visual.accumRedBits; + return 0; + case GLX_ACCUM_GREEN_SIZE: + *value = xmvis->mesa_visual.accumGreenBits; + return 0; + case GLX_ACCUM_BLUE_SIZE: + *value = xmvis->mesa_visual.accumBlueBits; + return 0; + case GLX_ACCUM_ALPHA_SIZE: + *value = xmvis->mesa_visual.accumAlphaBits; + return 0; + + /* + * GLX_EXT_visual_info extension + */ + case GLX_X_VISUAL_TYPE_EXT: + switch (xmvis->visinfo->CLASS) { + case StaticGray: *value = GLX_STATIC_GRAY_EXT; return 0; + case GrayScale: *value = GLX_GRAY_SCALE_EXT; return 0; + case StaticColor: *value = GLX_STATIC_GRAY_EXT; return 0; + case PseudoColor: *value = GLX_PSEUDO_COLOR_EXT; return 0; + case TrueColor: *value = GLX_TRUE_COLOR_EXT; return 0; + case DirectColor: *value = GLX_DIRECT_COLOR_EXT; return 0; + } + return 0; + case GLX_TRANSPARENT_TYPE_EXT: + /* normal planes */ + *value = GLX_NONE_EXT; + return 0; + case GLX_TRANSPARENT_INDEX_VALUE_EXT: + /* undefined */ + return 0; + case GLX_TRANSPARENT_RED_VALUE_EXT: + /* undefined */ + return 0; + case GLX_TRANSPARENT_GREEN_VALUE_EXT: + /* undefined */ + return 0; + case GLX_TRANSPARENT_BLUE_VALUE_EXT: + /* undefined */ + return 0; + case GLX_TRANSPARENT_ALPHA_VALUE_EXT: + /* undefined */ + return 0; + + /* + * GLX_EXT_visual_info extension + */ + case GLX_VISUAL_CAVEAT_EXT: + /* test for zero, just in case */ + if (xmvis->mesa_visual.visualRating > 0) + *value = xmvis->mesa_visual.visualRating; + else + *value = GLX_NONE_EXT; + return 0; + + /* + * GLX_ARB_multisample + */ + case GLX_SAMPLE_BUFFERS_ARB: + *value = 0; + return 0; + case GLX_SAMPLES_ARB: + *value = 0; + return 0; + + /* + * For FBConfigs: + */ + case GLX_SCREEN_EXT: + if (!fbconfig) + return GLX_BAD_ATTRIBUTE; + *value = xmvis->visinfo->screen; + break; + case GLX_DRAWABLE_TYPE: /*SGIX too */ + if (!fbconfig) + return GLX_BAD_ATTRIBUTE; + *value = GLX_WINDOW_BIT | GLX_PIXMAP_BIT | GLX_PBUFFER_BIT; + break; + case GLX_RENDER_TYPE_SGIX: + if (!fbconfig) + return GLX_BAD_ATTRIBUTE; + if (xmvis->mesa_visual.rgbMode) + *value = GLX_RGBA_BIT; + else + *value = GLX_COLOR_INDEX_BIT; + break; + case GLX_X_RENDERABLE_SGIX: + if (!fbconfig) + return GLX_BAD_ATTRIBUTE; + *value = True; /* XXX really? */ + break; + case GLX_FBCONFIG_ID_SGIX: + if (!fbconfig) + return GLX_BAD_ATTRIBUTE; + *value = xmvis->visinfo->visualid; + break; + case GLX_MAX_PBUFFER_WIDTH: + if (!fbconfig) + return GLX_BAD_ATTRIBUTE; + /* XXX or MAX_WIDTH? */ + *value = DisplayWidth(xmvis->display, xmvis->visinfo->screen); + break; + case GLX_MAX_PBUFFER_HEIGHT: + if (!fbconfig) + return GLX_BAD_ATTRIBUTE; + *value = DisplayHeight(xmvis->display, xmvis->visinfo->screen); + break; + case GLX_MAX_PBUFFER_PIXELS: + if (!fbconfig) + return GLX_BAD_ATTRIBUTE; + *value = DisplayWidth(xmvis->display, xmvis->visinfo->screen) * + DisplayHeight(xmvis->display, xmvis->visinfo->screen); + break; + case GLX_VISUAL_ID: + if (!fbconfig) + return GLX_BAD_ATTRIBUTE; + *value = xmvis->visinfo->visualid; + break; + +#ifdef GLX_EXT_texture_from_pixmap + case GLX_BIND_TO_TEXTURE_RGB_EXT: + *value = True; /*XXX*/ + break; + case GLX_BIND_TO_TEXTURE_RGBA_EXT: + /* XXX review */ + *value = xmvis->mesa_visual.alphaBits > 0 ? True : False; + break; + case GLX_BIND_TO_MIPMAP_TEXTURE_EXT: + *value = True; /*XXX*/ + break; + case GLX_BIND_TO_TEXTURE_TARGETS_EXT: + *value = (GLX_TEXTURE_1D_BIT_EXT | + GLX_TEXTURE_2D_BIT_EXT | + GLX_TEXTURE_RECTANGLE_BIT_EXT); /*XXX*/ + break; + case GLX_Y_INVERTED_EXT: + *value = True; /*XXX*/ + break; +#endif + + default: + return GLX_BAD_ATTRIBUTE; + } + return Success; +} + + +static int +Fake_glXGetConfig( Display *dpy, XVisualInfo *visinfo, + int attrib, int *value ) +{ + XMesaVisual xmvis; + int k; + if (!dpy || !visinfo) + return GLX_BAD_ATTRIBUTE; + + xmvis = find_glx_visual( dpy, visinfo ); + if (!xmvis) { + /* this visual wasn't obtained with glXChooseVisual */ + xmvis = create_glx_visual( dpy, visinfo ); + if (!xmvis) { + /* this visual can't be used for GL rendering */ + if (attrib==GLX_USE_GL) { + *value = (int) False; + return 0; + } + else { + return GLX_BAD_VISUAL; + } + } + } + + k = get_config(xmvis, attrib, value, GL_FALSE); + return k; +} + + +static void +Fake_glXWaitGL( void ) +{ + XMesaContext xmesa = XMesaGetCurrentContext(); + XMesaFlush( xmesa ); +} + + + +static void +Fake_glXWaitX( void ) +{ + XMesaContext xmesa = XMesaGetCurrentContext(); + XMesaFlush( xmesa ); +} + + +static const char * +get_extensions( void ) +{ + return EXTENSIONS; +} + + + +/* GLX 1.1 and later */ +static const char * +Fake_glXQueryExtensionsString( Display *dpy, int screen ) +{ + (void) dpy; + (void) screen; + return get_extensions(); +} + + + +/* GLX 1.1 and later */ +static const char * +Fake_glXQueryServerString( Display *dpy, int screen, int name ) +{ + static char version[1000]; + _mesa_sprintf(version, "%d.%d %s", + SERVER_MAJOR_VERSION, SERVER_MINOR_VERSION, MESA_GLX_VERSION); + + (void) dpy; + (void) screen; + + switch (name) { + case GLX_EXTENSIONS: + return get_extensions(); + case GLX_VENDOR: + return VENDOR; + case GLX_VERSION: + return version; + default: + return NULL; + } +} + + + +/* GLX 1.1 and later */ +static const char * +Fake_glXGetClientString( Display *dpy, int name ) +{ + static char version[1000]; + _mesa_sprintf(version, "%d.%d %s", CLIENT_MAJOR_VERSION, + CLIENT_MINOR_VERSION, MESA_GLX_VERSION); + + (void) dpy; + + switch (name) { + case GLX_EXTENSIONS: + return get_extensions(); + case GLX_VENDOR: + return VENDOR; + case GLX_VERSION: + return version; + default: + return NULL; + } +} + + + +/* + * GLX 1.3 and later + */ + + +static int +Fake_glXGetFBConfigAttrib( Display *dpy, GLXFBConfig config, + int attribute, int *value ) +{ + XMesaVisual v = (XMesaVisual) config; + (void) dpy; + (void) config; + + if (!dpy || !config || !value) + return -1; + + return get_config(v, attribute, value, GL_TRUE); +} + + +static GLXFBConfig * +Fake_glXGetFBConfigs( Display *dpy, int screen, int *nelements ) +{ + XVisualInfo *visuals, visTemplate; + const long visMask = VisualScreenMask; + int i; + + /* Get list of all X visuals */ + visTemplate.screen = screen; + visuals = XGetVisualInfo(dpy, visMask, &visTemplate, nelements); + if (*nelements > 0) { + XMesaVisual *results; + results = (XMesaVisual *) _mesa_malloc(*nelements * sizeof(XMesaVisual)); + if (!results) { + *nelements = 0; + return NULL; + } + for (i = 0; i < *nelements; i++) { + results[i] = create_glx_visual(dpy, visuals + i); + } + return (GLXFBConfig *) results; + } + return NULL; +} + + +static GLXFBConfig * +Fake_glXChooseFBConfig( Display *dpy, int screen, + const int *attribList, int *nitems ) +{ + XMesaVisual xmvis; + + if (!attribList || !attribList[0]) { + /* return list of all configs (per GLX_SGIX_fbconfig spec) */ + return Fake_glXGetFBConfigs(dpy, screen, nitems); + } + + xmvis = choose_visual(dpy, screen, attribList, GL_TRUE); + if (xmvis) { + GLXFBConfig *config = (GLXFBConfig *) _mesa_malloc(sizeof(XMesaVisual)); + if (!config) { + *nitems = 0; + return NULL; + } + *nitems = 1; + config[0] = (GLXFBConfig) xmvis; + return (GLXFBConfig *) config; + } + else { + *nitems = 0; + return NULL; + } +} + + +static XVisualInfo * +Fake_glXGetVisualFromFBConfig( Display *dpy, GLXFBConfig config ) +{ + if (dpy && config) { + XMesaVisual xmvis = (XMesaVisual) config; +#if 0 + return xmvis->vishandle; +#else + /* create a new vishandle - the cached one may be stale */ + xmvis->vishandle = (XVisualInfo *) _mesa_malloc(sizeof(XVisualInfo)); + if (xmvis->vishandle) { + _mesa_memcpy(xmvis->vishandle, xmvis->visinfo, sizeof(XVisualInfo)); + } + return xmvis->vishandle; +#endif + } + else { + return NULL; + } +} + + +static GLXWindow +Fake_glXCreateWindow( Display *dpy, GLXFBConfig config, Window win, + const int *attribList ) +{ + XMesaVisual xmvis = (XMesaVisual) config; + XMesaBuffer xmbuf; + if (!xmvis) + return 0; + + xmbuf = XMesaCreateWindowBuffer(xmvis, win); + if (!xmbuf) + return 0; + + (void) dpy; + (void) attribList; /* Ignored in GLX 1.3 */ + + return win; /* A hack for now */ +} + + +static void +Fake_glXDestroyWindow( Display *dpy, GLXWindow window ) +{ + XMesaBuffer b = XMesaFindBuffer(dpy, (Drawable) window); + if (b) + XMesaDestroyBuffer(b); + /* don't destroy X window */ +} + + +/* XXX untested */ +static GLXPixmap +Fake_glXCreatePixmap( Display *dpy, GLXFBConfig config, Pixmap pixmap, + const int *attribList ) +{ + XMesaVisual v = (XMesaVisual) config; + XMesaBuffer b; + const int *attr; + int target = 0, format = 0, mipmap = 0; + int value; + + if (!dpy || !config || !pixmap) + return 0; + + for (attr = attribList; *attr; attr++) { + switch (*attr) { + case GLX_TEXTURE_FORMAT_EXT: + attr++; + switch (*attr) { + case GLX_TEXTURE_FORMAT_NONE_EXT: + case GLX_TEXTURE_FORMAT_RGB_EXT: + case GLX_TEXTURE_FORMAT_RGBA_EXT: + format = *attr; + break; + default: + /* error */ + return 0; + } + break; + case GLX_TEXTURE_TARGET_EXT: + attr++; + switch (*attr) { + case GLX_TEXTURE_1D_EXT: + case GLX_TEXTURE_2D_EXT: + case GLX_TEXTURE_RECTANGLE_EXT: + target = *attr; + break; + default: + /* error */ + return 0; + } + break; + case GLX_MIPMAP_TEXTURE_EXT: + attr++; + if (*attr) + mipmap = 1; + break; + default: + /* error */ + return 0; + } + } + + if (format == GLX_TEXTURE_FORMAT_RGB_EXT) { + if (get_config(v, GLX_BIND_TO_TEXTURE_RGB_EXT, + &value, GL_TRUE) != Success + || !value) { + return 0; /* error! */ + } + } + else if (format == GLX_TEXTURE_FORMAT_RGBA_EXT) { + if (get_config(v, GLX_BIND_TO_TEXTURE_RGBA_EXT, + &value, GL_TRUE) != Success + || !value) { + return 0; /* error! */ + } + } + if (mipmap) { + if (get_config(v, GLX_BIND_TO_MIPMAP_TEXTURE_EXT, + &value, GL_TRUE) != Success + || !value) { + return 0; /* error! */ + } + } + if (target == GLX_TEXTURE_1D_EXT) { + if (get_config(v, GLX_BIND_TO_TEXTURE_TARGETS_EXT, + &value, GL_TRUE) != Success + || (value & GLX_TEXTURE_1D_BIT_EXT) == 0) { + return 0; /* error! */ + } + } + else if (target == GLX_TEXTURE_2D_EXT) { + if (get_config(v, GLX_BIND_TO_TEXTURE_TARGETS_EXT, + &value, GL_TRUE) != Success + || (value & GLX_TEXTURE_2D_BIT_EXT) == 0) { + return 0; /* error! */ + } + } + if (target == GLX_TEXTURE_RECTANGLE_EXT) { + if (get_config(v, GLX_BIND_TO_TEXTURE_TARGETS_EXT, + &value, GL_TRUE) != Success + || (value & GLX_TEXTURE_RECTANGLE_BIT_EXT) == 0) { + return 0; /* error! */ + } + } + + if (format || target || mipmap) { + /* texture from pixmap */ + b = XMesaCreatePixmapTextureBuffer(v, pixmap, 0, format, target, mipmap); + } + else { + b = XMesaCreatePixmapBuffer( v, pixmap, 0 ); + } + if (!b) { + return 0; + } + + return pixmap; +} + + +static void +Fake_glXDestroyPixmap( Display *dpy, GLXPixmap pixmap ) +{ + XMesaBuffer b = XMesaFindBuffer(dpy, (Drawable)pixmap); + if (b) + XMesaDestroyBuffer(b); + /* don't destroy X pixmap */ +} + + +static GLXPbuffer +Fake_glXCreatePbuffer( Display *dpy, GLXFBConfig config, + const int *attribList ) +{ + XMesaVisual xmvis = (XMesaVisual) config; + XMesaBuffer xmbuf; + const int *attrib; + int width = 0, height = 0; + GLboolean useLargest = GL_FALSE, preserveContents = GL_FALSE; + + (void) dpy; + + for (attrib = attribList; *attrib; attrib++) { + switch (*attrib) { + case GLX_PBUFFER_WIDTH: + attrib++; + width = *attrib; + break; + case GLX_PBUFFER_HEIGHT: + attrib++; + height = *attrib; + break; + case GLX_PRESERVED_CONTENTS: + attrib++; + preserveContents = *attrib; /* ignored */ + break; + case GLX_LARGEST_PBUFFER: + attrib++; + useLargest = *attrib; /* ignored */ + break; + default: + return 0; + } + } + + /* not used at this time */ + (void) useLargest; + (void) preserveContents; + + if (width == 0 || height == 0) + return 0; + + xmbuf = XMesaCreatePBuffer( xmvis, 0, width, height); + /* A GLXPbuffer handle must be an X Drawable because that's what + * glXMakeCurrent takes. + */ + if (xmbuf) + return (GLXPbuffer) xmbuf->drawable; + else + return 0; +} + + +static void +Fake_glXDestroyPbuffer( Display *dpy, GLXPbuffer pbuf ) +{ + XMesaBuffer b = XMesaFindBuffer(dpy, pbuf); + if (b) { + XMesaDestroyBuffer(b); + } +} + + +static void +Fake_glXQueryDrawable( Display *dpy, GLXDrawable draw, int attribute, + unsigned int *value ) +{ + XMesaBuffer xmbuf = XMesaFindBuffer(dpy, draw); + if (!xmbuf) + return; + + switch (attribute) { + case GLX_WIDTH: + *value = xmesa_buffer_width(xmbuf); + break; + case GLX_HEIGHT: + *value = xmesa_buffer_width(xmbuf); + break; + case GLX_PRESERVED_CONTENTS: + *value = True; + break; + case GLX_LARGEST_PBUFFER: + *value = xmesa_buffer_width(xmbuf) * xmesa_buffer_height(xmbuf); + break; + case GLX_FBCONFIG_ID: + *value = xmbuf->xm_visual->visinfo->visualid; + return; +#ifdef GLX_EXT_texture_from_pixmap + case GLX_TEXTURE_FORMAT_EXT: + *value = xmbuf->TextureFormat; + break; + case GLX_TEXTURE_TARGET_EXT: + *value = xmbuf->TextureTarget; + break; + case GLX_MIPMAP_TEXTURE_EXT: + *value = xmbuf->TextureMipmap; + break; +#endif + + default: + return; /* raise BadValue error */ + } +} + + +static GLXContext +Fake_glXCreateNewContext( Display *dpy, GLXFBConfig config, + int renderType, GLXContext shareList, Bool direct ) +{ + struct fake_glx_context *glxCtx; + struct fake_glx_context *shareCtx = (struct fake_glx_context *) shareList; + XMesaVisual xmvis = (XMesaVisual) config; + + if (!dpy || !config || + (renderType != GLX_RGBA_TYPE && renderType != GLX_COLOR_INDEX_TYPE)) + return 0; + + glxCtx = CALLOC_STRUCT(fake_glx_context); + if (!glxCtx) + return 0; + + /* deallocate unused windows/buffers */ + XMesaGarbageCollect(); + + glxCtx->xmesaContext = XMesaCreateContext(xmvis, + shareCtx ? shareCtx->xmesaContext : NULL); + if (!glxCtx->xmesaContext) { + _mesa_free(glxCtx); + return NULL; + } + + glxCtx->glxContext.isDirect = GL_FALSE; + glxCtx->glxContext.currentDpy = dpy; + glxCtx->glxContext.xid = (XID) glxCtx; /* self pointer */ + + assert((void *) glxCtx == (void *) &(glxCtx->glxContext)); + + return (GLXContext) glxCtx; +} + + +static int +Fake_glXQueryContext( Display *dpy, GLXContext ctx, int attribute, int *value ) +{ + struct fake_glx_context *glxCtx = (struct fake_glx_context *) ctx; + XMesaContext xmctx = glxCtx->xmesaContext; + + (void) dpy; + (void) ctx; + + switch (attribute) { + case GLX_FBCONFIG_ID: + *value = xmctx->xm_visual->visinfo->visualid; + break; + case GLX_RENDER_TYPE: + if (xmctx->xm_visual->mesa_visual.rgbMode) + *value = GLX_RGBA_BIT; + else + *value = GLX_COLOR_INDEX_BIT; + break; + case GLX_SCREEN: + *value = 0; + return Success; + default: + return GLX_BAD_ATTRIBUTE; + } + return 0; +} + + +static void +Fake_glXSelectEvent( Display *dpy, GLXDrawable drawable, unsigned long mask ) +{ + XMesaBuffer xmbuf = XMesaFindBuffer(dpy, drawable); + if (xmbuf) + xmbuf->selectedEvents = mask; +} + + +static void +Fake_glXGetSelectedEvent( Display *dpy, GLXDrawable drawable, + unsigned long *mask ) +{ + XMesaBuffer xmbuf = XMesaFindBuffer(dpy, drawable); + if (xmbuf) + *mask = xmbuf->selectedEvents; + else + *mask = 0; +} + + + +/*** GLX_SGI_swap_control ***/ + +static int +Fake_glXSwapIntervalSGI(int interval) +{ + (void) interval; + return 0; +} + + + +/*** GLX_SGI_video_sync ***/ + +static unsigned int FrameCounter = 0; + +static int +Fake_glXGetVideoSyncSGI(unsigned int *count) +{ + /* this is a bogus implementation */ + *count = FrameCounter++; + return 0; +} + +static int +Fake_glXWaitVideoSyncSGI(int divisor, int remainder, unsigned int *count) +{ + if (divisor <= 0 || remainder < 0) + return GLX_BAD_VALUE; + /* this is a bogus implementation */ + FrameCounter++; + while (FrameCounter % divisor != remainder) + FrameCounter++; + *count = FrameCounter; + return 0; +} + + + +/*** GLX_SGI_make_current_read ***/ + +static Bool +Fake_glXMakeCurrentReadSGI(Display *dpy, GLXDrawable draw, GLXDrawable read, GLXContext ctx) +{ + return Fake_glXMakeContextCurrent( dpy, draw, read, ctx ); +} + +/* not used +static GLXDrawable +Fake_glXGetCurrentReadDrawableSGI(void) +{ + return 0; +} +*/ + + +/*** GLX_SGIX_video_source ***/ +#if defined(_VL_H) + +static GLXVideoSourceSGIX +Fake_glXCreateGLXVideoSourceSGIX(Display *dpy, int screen, VLServer server, VLPath path, int nodeClass, VLNode drainNode) +{ + (void) dpy; + (void) screen; + (void) server; + (void) path; + (void) nodeClass; + (void) drainNode; + return 0; +} + +static void +Fake_glXDestroyGLXVideoSourceSGIX(Display *dpy, GLXVideoSourceSGIX src) +{ + (void) dpy; + (void) src; +} + +#endif + + +/*** GLX_EXT_import_context ***/ + +static void +Fake_glXFreeContextEXT(Display *dpy, GLXContext context) +{ + (void) dpy; + (void) context; +} + +static GLXContextID +Fake_glXGetContextIDEXT(const GLXContext context) +{ + (void) context; + return 0; +} + +static GLXContext +Fake_glXImportContextEXT(Display *dpy, GLXContextID contextID) +{ + (void) dpy; + (void) contextID; + return 0; +} + +static int +Fake_glXQueryContextInfoEXT(Display *dpy, GLXContext context, int attribute, int *value) +{ + (void) dpy; + (void) context; + (void) attribute; + (void) value; + return 0; +} + + + +/*** GLX_SGIX_fbconfig ***/ + +static int +Fake_glXGetFBConfigAttribSGIX(Display *dpy, GLXFBConfigSGIX config, int attribute, int *value) +{ + return Fake_glXGetFBConfigAttrib(dpy, config, attribute, value); +} + +static GLXFBConfigSGIX * +Fake_glXChooseFBConfigSGIX(Display *dpy, int screen, int *attrib_list, int *nelements) +{ + return (GLXFBConfig *) Fake_glXChooseFBConfig(dpy, screen, attrib_list, nelements); +} + + +static GLXPixmap +Fake_glXCreateGLXPixmapWithConfigSGIX(Display *dpy, GLXFBConfigSGIX config, Pixmap pixmap) +{ + XMesaVisual xmvis = (XMesaVisual) config; + XMesaBuffer xmbuf = XMesaCreatePixmapBuffer(xmvis, pixmap, 0); + return xmbuf->drawable; /* need to return an X ID */ +} + + +static GLXContext +Fake_glXCreateContextWithConfigSGIX(Display *dpy, GLXFBConfigSGIX config, int render_type, GLXContext share_list, Bool direct) +{ + XMesaVisual xmvis = (XMesaVisual) config; + struct fake_glx_context *glxCtx; + struct fake_glx_context *shareCtx = (struct fake_glx_context *) share_list; + + glxCtx = CALLOC_STRUCT(fake_glx_context); + if (!glxCtx) + return 0; + + /* deallocate unused windows/buffers */ + XMesaGarbageCollect(); + + glxCtx->xmesaContext = XMesaCreateContext(xmvis, + shareCtx ? shareCtx->xmesaContext : NULL); + if (!glxCtx->xmesaContext) { + _mesa_free(glxCtx); + return NULL; + } + + glxCtx->glxContext.isDirect = GL_FALSE; + glxCtx->glxContext.currentDpy = dpy; + glxCtx->glxContext.xid = (XID) glxCtx; /* self pointer */ + + assert((void *) glxCtx == (void *) &(glxCtx->glxContext)); + + return (GLXContext) glxCtx; +} + + +static XVisualInfo * +Fake_glXGetVisualFromFBConfigSGIX(Display *dpy, GLXFBConfigSGIX config) +{ + return Fake_glXGetVisualFromFBConfig(dpy, config); +} + + +static GLXFBConfigSGIX +Fake_glXGetFBConfigFromVisualSGIX(Display *dpy, XVisualInfo *vis) +{ + XMesaVisual xmvis = find_glx_visual(dpy, vis); + if (!xmvis) { + /* This visual wasn't found with glXChooseVisual() */ + xmvis = create_glx_visual(dpy, vis); + } + + return (GLXFBConfigSGIX) xmvis; +} + + + +/*** GLX_SGIX_pbuffer ***/ + +static GLXPbufferSGIX +Fake_glXCreateGLXPbufferSGIX(Display *dpy, GLXFBConfigSGIX config, + unsigned int width, unsigned int height, + int *attribList) +{ + XMesaVisual xmvis = (XMesaVisual) config; + XMesaBuffer xmbuf; + const int *attrib; + GLboolean useLargest = GL_FALSE, preserveContents = GL_FALSE; + + (void) dpy; + + for (attrib = attribList; attrib && *attrib; attrib++) { + switch (*attrib) { + case GLX_PRESERVED_CONTENTS_SGIX: + attrib++; + preserveContents = *attrib; /* ignored */ + break; + case GLX_LARGEST_PBUFFER_SGIX: + attrib++; + useLargest = *attrib; /* ignored */ + break; + default: + return 0; + } + } + + /* not used at this time */ + (void) useLargest; + (void) preserveContents; + + xmbuf = XMesaCreatePBuffer( xmvis, 0, width, height); + /* A GLXPbuffer handle must be an X Drawable because that's what + * glXMakeCurrent takes. + */ + return (GLXPbuffer) xmbuf->drawable; +} + + +static void +Fake_glXDestroyGLXPbufferSGIX(Display *dpy, GLXPbufferSGIX pbuf) +{ + XMesaBuffer xmbuf = XMesaFindBuffer(dpy, pbuf); + if (xmbuf) { + XMesaDestroyBuffer(xmbuf); + } +} + + +static int +Fake_glXQueryGLXPbufferSGIX(Display *dpy, GLXPbufferSGIX pbuf, int attribute, unsigned int *value) +{ + const XMesaBuffer xmbuf = XMesaFindBuffer(dpy, pbuf); + + if (!xmbuf) { + /* Generate GLXBadPbufferSGIX for bad pbuffer */ + return 0; + } + + switch (attribute) { + case GLX_PRESERVED_CONTENTS_SGIX: + *value = True; + break; + case GLX_LARGEST_PBUFFER_SGIX: + *value = xmesa_buffer_width(xmbuf) * xmesa_buffer_height(xmbuf); + break; + case GLX_WIDTH_SGIX: + *value = xmesa_buffer_width(xmbuf); + break; + case GLX_HEIGHT_SGIX: + *value = xmesa_buffer_height(xmbuf); + break; + case GLX_EVENT_MASK_SGIX: + *value = 0; /* XXX might be wrong */ + break; + default: + *value = 0; + } + return 0; +} + + +static void +Fake_glXSelectEventSGIX(Display *dpy, GLXDrawable drawable, unsigned long mask) +{ + XMesaBuffer xmbuf = XMesaFindBuffer(dpy, drawable); + if (xmbuf) { + /* Note: we'll never generate clobber events */ + xmbuf->selectedEvents = mask; + } +} + + +static void +Fake_glXGetSelectedEventSGIX(Display *dpy, GLXDrawable drawable, unsigned long *mask) +{ + XMesaBuffer xmbuf = XMesaFindBuffer(dpy, drawable); + if (xmbuf) { + *mask = xmbuf->selectedEvents; + } + else { + *mask = 0; + } +} + + + +/*** GLX_SGI_cushion ***/ + +static void +Fake_glXCushionSGI(Display *dpy, Window win, float cushion) +{ + (void) dpy; + (void) win; + (void) cushion; +} + + + +/*** GLX_SGIX_video_resize ***/ + +static int +Fake_glXBindChannelToWindowSGIX(Display *dpy, int screen, int channel , Window window) +{ + (void) dpy; + (void) screen; + (void) channel; + (void) window; + return 0; +} + +static int +Fake_glXChannelRectSGIX(Display *dpy, int screen, int channel, int x, int y, int w, int h) +{ + (void) dpy; + (void) screen; + (void) channel; + (void) x; + (void) y; + (void) w; + (void) h; + return 0; +} + +static int +Fake_glXQueryChannelRectSGIX(Display *dpy, int screen, int channel, int *x, int *y, int *w, int *h) +{ + (void) dpy; + (void) screen; + (void) channel; + (void) x; + (void) y; + (void) w; + (void) h; + return 0; +} + +static int +Fake_glXQueryChannelDeltasSGIX(Display *dpy, int screen, int channel, int *dx, int *dy, int *dw, int *dh) +{ + (void) dpy; + (void) screen; + (void) channel; + (void) dx; + (void) dy; + (void) dw; + (void) dh; + return 0; +} + +static int +Fake_glXChannelRectSyncSGIX(Display *dpy, int screen, int channel, GLenum synctype) +{ + (void) dpy; + (void) screen; + (void) channel; + (void) synctype; + return 0; +} + + + +/*** GLX_SGIX_dmbuffer **/ + +#if defined(_DM_BUFFER_H_) +static Bool +Fake_glXAssociateDMPbufferSGIX(Display *dpy, GLXPbufferSGIX pbuffer, DMparams *params, DMbuffer dmbuffer) +{ + (void) dpy; + (void) pbuffer; + (void) params; + (void) dmbuffer; + return False; +} +#endif + + +/*** GLX_SGIX_swap_group ***/ + +static void +Fake_glXJoinSwapGroupSGIX(Display *dpy, GLXDrawable drawable, GLXDrawable member) +{ + (void) dpy; + (void) drawable; + (void) member; +} + + + +/*** GLX_SGIX_swap_barrier ***/ + +static void +Fake_glXBindSwapBarrierSGIX(Display *dpy, GLXDrawable drawable, int barrier) +{ + (void) dpy; + (void) drawable; + (void) barrier; +} + +static Bool +Fake_glXQueryMaxSwapBarriersSGIX(Display *dpy, int screen, int *max) +{ + (void) dpy; + (void) screen; + (void) max; + return False; +} + + + +/*** GLX_SUN_get_transparent_index ***/ + +static Status +Fake_glXGetTransparentIndexSUN(Display *dpy, Window overlay, Window underlay, long *pTransparent) +{ + (void) dpy; + (void) overlay; + (void) underlay; + (void) pTransparent; + return 0; +} + + + +/*** GLX_MESA_release_buffers ***/ + +/* + * Release the depth, stencil, accum buffers attached to a GLXDrawable + * (a window or pixmap) prior to destroying the GLXDrawable. + */ +static Bool +Fake_glXReleaseBuffersMESA( Display *dpy, GLXDrawable d ) +{ + XMesaBuffer b = XMesaFindBuffer(dpy, d); + if (b) { + XMesaDestroyBuffer(b); + return True; + } + return False; +} + +/*** GLX_EXT_texture_from_pixmap ***/ + +static void +Fake_glXBindTexImageEXT(Display *dpy, GLXDrawable drawable, int buffer, + const int *attrib_list) +{ + XMesaBuffer b = XMesaFindBuffer(dpy, drawable); + if (b) + XMesaBindTexImage(dpy, b, buffer, attrib_list); +} + +static void +Fake_glXReleaseTexImageEXT(Display *dpy, GLXDrawable drawable, int buffer) +{ + XMesaBuffer b = XMesaFindBuffer(dpy, drawable); + if (b) + XMesaReleaseTexImage(dpy, b, buffer); +} + + + +/** + * Create a new GLX API dispatch table with its function pointers + * initialized to point to Mesa's "fake" GLX API functions. + * + * Note: there used to be a similar function + * (_real_GetGLXDispatchTable) that returns a new dispatch table with + * all pointers initalized to point to "real" GLX functions (which + * understand GLX wire protocol, etc). + */ +struct _glxapi_table * +_mesa_GetGLXDispatchTable(void) +{ + static struct _glxapi_table glx; + + /* be sure our dispatch table size <= libGL's table */ + { + GLuint size = sizeof(struct _glxapi_table) / sizeof(void *); + (void) size; + assert(_glxapi_get_dispatch_table_size() >= size); + } + + /* initialize the whole table to no-ops */ + _glxapi_set_no_op_table(&glx); + + /* now initialize the table with the functions I implement */ + glx.ChooseVisual = Fake_glXChooseVisual; + glx.CopyContext = Fake_glXCopyContext; + glx.CreateContext = Fake_glXCreateContext; + glx.CreateGLXPixmap = Fake_glXCreateGLXPixmap; + glx.DestroyContext = Fake_glXDestroyContext; + glx.DestroyGLXPixmap = Fake_glXDestroyGLXPixmap; + glx.GetConfig = Fake_glXGetConfig; + /*glx.GetCurrentContext = Fake_glXGetCurrentContext;*/ + /*glx.GetCurrentDrawable = Fake_glXGetCurrentDrawable;*/ + glx.IsDirect = Fake_glXIsDirect; + glx.MakeCurrent = Fake_glXMakeCurrent; + glx.QueryExtension = Fake_glXQueryExtension; + glx.QueryVersion = Fake_glXQueryVersion; + glx.SwapBuffers = Fake_glXSwapBuffers; + glx.UseXFont = Fake_glXUseXFont; + glx.WaitGL = Fake_glXWaitGL; + glx.WaitX = Fake_glXWaitX; + + /*** GLX_VERSION_1_1 ***/ + glx.GetClientString = Fake_glXGetClientString; + glx.QueryExtensionsString = Fake_glXQueryExtensionsString; + glx.QueryServerString = Fake_glXQueryServerString; + + /*** GLX_VERSION_1_2 ***/ + /*glx.GetCurrentDisplay = Fake_glXGetCurrentDisplay;*/ + + /*** GLX_VERSION_1_3 ***/ + glx.ChooseFBConfig = Fake_glXChooseFBConfig; + glx.CreateNewContext = Fake_glXCreateNewContext; + glx.CreatePbuffer = Fake_glXCreatePbuffer; + glx.CreatePixmap = Fake_glXCreatePixmap; + glx.CreateWindow = Fake_glXCreateWindow; + glx.DestroyPbuffer = Fake_glXDestroyPbuffer; + glx.DestroyPixmap = Fake_glXDestroyPixmap; + glx.DestroyWindow = Fake_glXDestroyWindow; + /*glx.GetCurrentReadDrawable = Fake_glXGetCurrentReadDrawable;*/ + glx.GetFBConfigAttrib = Fake_glXGetFBConfigAttrib; + glx.GetFBConfigs = Fake_glXGetFBConfigs; + glx.GetSelectedEvent = Fake_glXGetSelectedEvent; + glx.GetVisualFromFBConfig = Fake_glXGetVisualFromFBConfig; + glx.MakeContextCurrent = Fake_glXMakeContextCurrent; + glx.QueryContext = Fake_glXQueryContext; + glx.QueryDrawable = Fake_glXQueryDrawable; + glx.SelectEvent = Fake_glXSelectEvent; + + /*** GLX_SGI_swap_control ***/ + glx.SwapIntervalSGI = Fake_glXSwapIntervalSGI; + + /*** GLX_SGI_video_sync ***/ + glx.GetVideoSyncSGI = Fake_glXGetVideoSyncSGI; + glx.WaitVideoSyncSGI = Fake_glXWaitVideoSyncSGI; + + /*** GLX_SGI_make_current_read ***/ + glx.MakeCurrentReadSGI = Fake_glXMakeCurrentReadSGI; + /*glx.GetCurrentReadDrawableSGI = Fake_glXGetCurrentReadDrawableSGI;*/ + +/*** GLX_SGIX_video_source ***/ +#if defined(_VL_H) + glx.CreateGLXVideoSourceSGIX = Fake_glXCreateGLXVideoSourceSGIX; + glx.DestroyGLXVideoSourceSGIX = Fake_glXDestroyGLXVideoSourceSGIX; +#endif + + /*** GLX_EXT_import_context ***/ + glx.FreeContextEXT = Fake_glXFreeContextEXT; + glx.GetContextIDEXT = Fake_glXGetContextIDEXT; + /*glx.GetCurrentDisplayEXT = Fake_glXGetCurrentDisplayEXT;*/ + glx.ImportContextEXT = Fake_glXImportContextEXT; + glx.QueryContextInfoEXT = Fake_glXQueryContextInfoEXT; + + /*** GLX_SGIX_fbconfig ***/ + glx.GetFBConfigAttribSGIX = Fake_glXGetFBConfigAttribSGIX; + glx.ChooseFBConfigSGIX = Fake_glXChooseFBConfigSGIX; + glx.CreateGLXPixmapWithConfigSGIX = Fake_glXCreateGLXPixmapWithConfigSGIX; + glx.CreateContextWithConfigSGIX = Fake_glXCreateContextWithConfigSGIX; + glx.GetVisualFromFBConfigSGIX = Fake_glXGetVisualFromFBConfigSGIX; + glx.GetFBConfigFromVisualSGIX = Fake_glXGetFBConfigFromVisualSGIX; + + /*** GLX_SGIX_pbuffer ***/ + glx.CreateGLXPbufferSGIX = Fake_glXCreateGLXPbufferSGIX; + glx.DestroyGLXPbufferSGIX = Fake_glXDestroyGLXPbufferSGIX; + glx.QueryGLXPbufferSGIX = Fake_glXQueryGLXPbufferSGIX; + glx.SelectEventSGIX = Fake_glXSelectEventSGIX; + glx.GetSelectedEventSGIX = Fake_glXGetSelectedEventSGIX; + + /*** GLX_SGI_cushion ***/ + glx.CushionSGI = Fake_glXCushionSGI; + + /*** GLX_SGIX_video_resize ***/ + glx.BindChannelToWindowSGIX = Fake_glXBindChannelToWindowSGIX; + glx.ChannelRectSGIX = Fake_glXChannelRectSGIX; + glx.QueryChannelRectSGIX = Fake_glXQueryChannelRectSGIX; + glx.QueryChannelDeltasSGIX = Fake_glXQueryChannelDeltasSGIX; + glx.ChannelRectSyncSGIX = Fake_glXChannelRectSyncSGIX; + + /*** GLX_SGIX_dmbuffer **/ +#if defined(_DM_BUFFER_H_) + glx.AssociateDMPbufferSGIX = NULL; +#endif + + /*** GLX_SGIX_swap_group ***/ + glx.JoinSwapGroupSGIX = Fake_glXJoinSwapGroupSGIX; + + /*** GLX_SGIX_swap_barrier ***/ + glx.BindSwapBarrierSGIX = Fake_glXBindSwapBarrierSGIX; + glx.QueryMaxSwapBarriersSGIX = Fake_glXQueryMaxSwapBarriersSGIX; + + /*** GLX_SUN_get_transparent_index ***/ + glx.GetTransparentIndexSUN = Fake_glXGetTransparentIndexSUN; + + /*** GLX_MESA_copy_sub_buffer ***/ + glx.CopySubBufferMESA = Fake_glXCopySubBufferMESA; + + /*** GLX_MESA_release_buffers ***/ + glx.ReleaseBuffersMESA = Fake_glXReleaseBuffersMESA; + + /*** GLX_MESA_pixmap_colormap ***/ + glx.CreateGLXPixmapMESA = Fake_glXCreateGLXPixmapMESA; + + /*** GLX_EXT_texture_from_pixmap ***/ + glx.BindTexImageEXT = Fake_glXBindTexImageEXT; + glx.ReleaseTexImageEXT = Fake_glXReleaseTexImageEXT; + + return &glx; +} diff --git a/src/gallium/state_trackers/glx/xlib/fakeglx.h b/src/gallium/state_trackers/glx/xlib/fakeglx.h new file mode 100644 index 00000000000..e5fd960072e --- /dev/null +++ b/src/gallium/state_trackers/glx/xlib/fakeglx.h @@ -0,0 +1,41 @@ + +/* + * Mesa 3-D graphics library + * Version: 3.5 + * + * Copyright (C) 1999-2000 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef FAKEGLX_H +#define FAKEGLX_H + + +#include <X11/Xlib.h> + +struct _glxapi_table; + +extern struct _glxapi_table *_mesa_GetGLXDispatchTable(void); + +extern void Fake_glXUseXFont( Font font, int first, int count, int listbase ); + + +#endif + diff --git a/src/gallium/state_trackers/glx/xlib/fakeglx_fonts.c b/src/gallium/state_trackers/glx/xlib/fakeglx_fonts.c new file mode 100644 index 00000000000..e3590467563 --- /dev/null +++ b/src/gallium/state_trackers/glx/xlib/fakeglx_fonts.c @@ -0,0 +1,373 @@ + +/* + * Mesa 3-D graphics library + * Version: 3.5 + * + * Copyright (C) 1999-2000 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +/* xfonts.c -- glXUseXFont() for Mesa written by + * Copyright (C) 1995 Thorsten.Ohl @ Physik.TH-Darmstadt.de + */ + +#include "context.h" +#include "imports.h" +#include "fakeglx.h" +#include <GL/glx.h> + + +/* Some debugging info. */ + +#ifdef DEBUG +#undef _R +#undef _G +#undef _B +#include <ctype.h> + +int debug_xfonts = 0; + +static void +dump_char_struct(XCharStruct * ch, char *prefix) +{ + printf("%slbearing = %d, rbearing = %d, width = %d\n", + prefix, ch->lbearing, ch->rbearing, ch->width); + printf("%sascent = %d, descent = %d, attributes = %u\n", + prefix, ch->ascent, ch->descent, (unsigned int) ch->attributes); +} + +static void +dump_font_struct(XFontStruct * font) +{ + printf("ascent = %d, descent = %d\n", font->ascent, font->descent); + printf("char_or_byte2 = (%u,%u)\n", + font->min_char_or_byte2, font->max_char_or_byte2); + printf("byte1 = (%u,%u)\n", font->min_byte1, font->max_byte1); + printf("all_chars_exist = %s\n", font->all_chars_exist ? "True" : "False"); + printf("default_char = %c (\\%03o)\n", + (char) (isprint(font->default_char) ? font->default_char : ' '), + font->default_char); + dump_char_struct(&font->min_bounds, "min> "); + dump_char_struct(&font->max_bounds, "max> "); +#if 0 + for (c = font->min_char_or_byte2; c <= font->max_char_or_byte2; c++) { + char prefix[8]; + sprintf(prefix, "%d> ", c); + dump_char_struct(&font->per_char[c], prefix); + } +#endif +} + +static void +dump_bitmap(unsigned int width, unsigned int height, GLubyte * bitmap) +{ + unsigned int x, y; + + printf(" "); + for (x = 0; x < 8 * width; x++) + printf("%o", 7 - (x % 8)); + putchar('\n'); + for (y = 0; y < height; y++) { + printf("%3o:", y); + for (x = 0; x < 8 * width; x++) + putchar((bitmap[width * (height - y - 1) + x / 8] & (1 << (7 - (x % + 8)))) + ? '*' : '.'); + printf(" "); + for (x = 0; x < width; x++) + printf("0x%02x, ", bitmap[width * (height - y - 1) + x]); + putchar('\n'); + } +} +#endif /* DEBUG */ + + +/* Implementation. */ + +/* Fill a BITMAP with a character C from thew current font + in the graphics context GC. WIDTH is the width in bytes + and HEIGHT is the height in bits. + + Note that the generated bitmaps must be used with + + glPixelStorei (GL_UNPACK_SWAP_BYTES, GL_FALSE); + glPixelStorei (GL_UNPACK_LSB_FIRST, GL_FALSE); + glPixelStorei (GL_UNPACK_ROW_LENGTH, 0); + glPixelStorei (GL_UNPACK_SKIP_ROWS, 0); + glPixelStorei (GL_UNPACK_SKIP_PIXELS, 0); + glPixelStorei (GL_UNPACK_ALIGNMENT, 1); + + Possible optimizations: + + * use only one reusable pixmap with the maximum dimensions. + * draw the entire font into a single pixmap (careful with + proportional fonts!). +*/ + + +/* + * Generate OpenGL-compatible bitmap. + */ +static void +fill_bitmap(Display * dpy, Window win, GC gc, + unsigned int width, unsigned int height, + int x0, int y0, unsigned int c, GLubyte * bitmap) +{ + XImage *image; + unsigned int x, y; + Pixmap pixmap; + XChar2b char2b; + + pixmap = XCreatePixmap(dpy, win, 8 * width, height, 1); + XSetForeground(dpy, gc, 0); + XFillRectangle(dpy, pixmap, gc, 0, 0, 8 * width, height); + XSetForeground(dpy, gc, 1); + + char2b.byte1 = (c >> 8) & 0xff; + char2b.byte2 = (c & 0xff); + + XDrawString16(dpy, pixmap, gc, x0, y0, &char2b, 1); + + image = XGetImage(dpy, pixmap, 0, 0, 8 * width, height, 1, XYPixmap); + if (image) { + /* Fill the bitmap (X11 and OpenGL are upside down wrt each other). */ + for (y = 0; y < height; y++) + for (x = 0; x < 8 * width; x++) + if (XGetPixel(image, x, y)) + bitmap[width * (height - y - 1) + x / 8] |= + (1 << (7 - (x % 8))); + XDestroyImage(image); + } + + XFreePixmap(dpy, pixmap); +} + +/* + * determine if a given glyph is valid and return the + * corresponding XCharStruct. + */ +static XCharStruct * +isvalid(XFontStruct * fs, unsigned int which) +{ + unsigned int rows, pages; + unsigned int byte1 = 0, byte2 = 0; + int i, valid = 1; + + rows = fs->max_byte1 - fs->min_byte1 + 1; + pages = fs->max_char_or_byte2 - fs->min_char_or_byte2 + 1; + + if (rows == 1) { + /* "linear" fonts */ + if ((fs->min_char_or_byte2 > which) || (fs->max_char_or_byte2 < which)) + valid = 0; + } + else { + /* "matrix" fonts */ + byte2 = which & 0xff; + byte1 = which >> 8; + if ((fs->min_char_or_byte2 > byte2) || + (fs->max_char_or_byte2 < byte2) || + (fs->min_byte1 > byte1) || (fs->max_byte1 < byte1)) + valid = 0; + } + + if (valid) { + if (fs->per_char) { + if (rows == 1) { + /* "linear" fonts */ + return (fs->per_char + (which - fs->min_char_or_byte2)); + } + else { + /* "matrix" fonts */ + i = ((byte1 - fs->min_byte1) * pages) + + (byte2 - fs->min_char_or_byte2); + return (fs->per_char + i); + } + } + else { + return (&fs->min_bounds); + } + } + return (NULL); +} + + +void +Fake_glXUseXFont(Font font, int first, int count, int listbase) +{ + Display *dpy; + Window win; + Pixmap pixmap; + GC gc; + XGCValues values; + unsigned long valuemask; + XFontStruct *fs; + GLint swapbytes, lsbfirst, rowlength; + GLint skiprows, skippixels, alignment; + unsigned int max_width, max_height, max_bm_width, max_bm_height; + GLubyte *bm; + int i; + + dpy = glXGetCurrentDisplay(); + if (!dpy) + return; /* I guess glXMakeCurrent wasn't called */ + win = RootWindow(dpy, DefaultScreen(dpy)); + + fs = XQueryFont(dpy, font); + if (!fs) { + _mesa_error(NULL, GL_INVALID_VALUE, + "Couldn't get font structure information"); + return; + } + + /* Allocate a bitmap that can fit all characters. */ + max_width = fs->max_bounds.rbearing - fs->min_bounds.lbearing; + max_height = fs->max_bounds.ascent + fs->max_bounds.descent; + max_bm_width = (max_width + 7) / 8; + max_bm_height = max_height; + + bm = (GLubyte *) MALLOC((max_bm_width * max_bm_height) * sizeof(GLubyte)); + if (!bm) { + XFreeFontInfo(NULL, fs, 1); + _mesa_error(NULL, GL_OUT_OF_MEMORY, + "Couldn't allocate bitmap in glXUseXFont()"); + return; + } + +#if 0 + /* get the page info */ + pages = fs->max_char_or_byte2 - fs->min_char_or_byte2 + 1; + firstchar = (fs->min_byte1 << 8) + fs->min_char_or_byte2; + lastchar = (fs->max_byte1 << 8) + fs->max_char_or_byte2; + rows = fs->max_byte1 - fs->min_byte1 + 1; + unsigned int first_char, last_char, pages, rows; +#endif + + /* Save the current packing mode for bitmaps. */ + glGetIntegerv(GL_UNPACK_SWAP_BYTES, &swapbytes); + glGetIntegerv(GL_UNPACK_LSB_FIRST, &lsbfirst); + glGetIntegerv(GL_UNPACK_ROW_LENGTH, &rowlength); + glGetIntegerv(GL_UNPACK_SKIP_ROWS, &skiprows); + glGetIntegerv(GL_UNPACK_SKIP_PIXELS, &skippixels); + glGetIntegerv(GL_UNPACK_ALIGNMENT, &alignment); + + /* Enforce a standard packing mode which is compatible with + fill_bitmap() from above. This is actually the default mode, + except for the (non)alignment. */ + glPixelStorei(GL_UNPACK_SWAP_BYTES, GL_FALSE); + glPixelStorei(GL_UNPACK_LSB_FIRST, GL_FALSE); + glPixelStorei(GL_UNPACK_ROW_LENGTH, 0); + glPixelStorei(GL_UNPACK_SKIP_ROWS, 0); + glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0); + glPixelStorei(GL_UNPACK_ALIGNMENT, 1); + + pixmap = XCreatePixmap(dpy, win, 10, 10, 1); + values.foreground = BlackPixel(dpy, DefaultScreen(dpy)); + values.background = WhitePixel(dpy, DefaultScreen(dpy)); + values.font = fs->fid; + valuemask = GCForeground | GCBackground | GCFont; + gc = XCreateGC(dpy, pixmap, valuemask, &values); + XFreePixmap(dpy, pixmap); + +#ifdef DEBUG + if (debug_xfonts) + dump_font_struct(fs); +#endif + + for (i = 0; i < count; i++) { + unsigned int width, height, bm_width, bm_height; + GLfloat x0, y0, dx, dy; + XCharStruct *ch; + int x, y; + unsigned int c = first + i; + int list = listbase + i; + int valid; + + /* check on index validity and get the bounds */ + ch = isvalid(fs, c); + if (!ch) { + ch = &fs->max_bounds; + valid = 0; + } + else { + valid = 1; + } + +#ifdef DEBUG + if (debug_xfonts) { + char s[7]; + sprintf(s, isprint(c) ? "%c> " : "\\%03o> ", c); + dump_char_struct(ch, s); + } +#endif + + /* glBitmap()' parameters: + straight from the glXUseXFont(3) manpage. */ + width = ch->rbearing - ch->lbearing; + height = ch->ascent + ch->descent; + x0 = -ch->lbearing; + y0 = ch->descent - 0; /* XXX used to subtract 1 here */ + /* but that caused a conformace failure */ + dx = ch->width; + dy = 0; + + /* X11's starting point. */ + x = -ch->lbearing; + y = ch->ascent; + + /* Round the width to a multiple of eight. We will use this also + for the pixmap for capturing the X11 font. This is slightly + inefficient, but it makes the OpenGL part real easy. */ + bm_width = (width + 7) / 8; + bm_height = height; + + glNewList(list, GL_COMPILE); + if (valid && (bm_width > 0) && (bm_height > 0)) { + + MEMSET(bm, '\0', bm_width * bm_height); + fill_bitmap(dpy, win, gc, bm_width, bm_height, x, y, c, bm); + + glBitmap(width, height, x0, y0, dx, dy, bm); +#ifdef DEBUG + if (debug_xfonts) { + printf("width/height = %u/%u\n", width, height); + printf("bm_width/bm_height = %u/%u\n", bm_width, bm_height); + dump_bitmap(bm_width, bm_height, bm); + } +#endif + } + else { + glBitmap(0, 0, 0.0, 0.0, dx, dy, NULL); + } + glEndList(); + } + + FREE(bm); + XFreeFontInfo(NULL, fs, 1); + XFreeGC(dpy, gc); + + /* Restore saved packing modes. */ + glPixelStorei(GL_UNPACK_SWAP_BYTES, swapbytes); + glPixelStorei(GL_UNPACK_LSB_FIRST, lsbfirst); + glPixelStorei(GL_UNPACK_ROW_LENGTH, rowlength); + glPixelStorei(GL_UNPACK_SKIP_ROWS, skiprows); + glPixelStorei(GL_UNPACK_SKIP_PIXELS, skippixels); + glPixelStorei(GL_UNPACK_ALIGNMENT, alignment); +} diff --git a/src/gallium/state_trackers/glx/xlib/glxapi.c b/src/gallium/state_trackers/glx/xlib/glxapi.c new file mode 100644 index 00000000000..1ff04804f15 --- /dev/null +++ b/src/gallium/state_trackers/glx/xlib/glxapi.c @@ -0,0 +1,1246 @@ +/* + * Mesa 3-D graphics library + * Version: 7.1 + * + * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +/* + * This is the GLX API dispatcher. Calls to the glX* functions are + * either routed to the real GLX encoders or to Mesa's pseudo-GLX functions. + * See the glxapi.h file for more details. + */ + + +#include <assert.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include "main/glheader.h" +#include "glapi/glapi.h" +#include "glxapi.h" +#include "fakeglx.h" +#include "pipe/p_thread.h" + + +struct display_dispatch { + Display *Dpy; + struct _glxapi_table *Table; + struct display_dispatch *Next; +}; + +static struct display_dispatch *DispatchList = NULL; + + +/* Display -> Dispatch caching */ +static Display *prevDisplay = NULL; +static struct _glxapi_table *prevTable = NULL; + + +static struct _glxapi_table * +get_dispatch(Display *dpy) +{ + if (!dpy) + return NULL; + + /* search list of display/dispatch pairs for this display */ + { + const struct display_dispatch *d = DispatchList; + while (d) { + if (d->Dpy == dpy) { + prevDisplay = dpy; + prevTable = d->Table; + return d->Table; /* done! */ + } + d = d->Next; + } + } + + /* A new display, determine if we should use real GLX + * or Mesa's pseudo-GLX. + */ + { + struct _glxapi_table *t = _mesa_GetGLXDispatchTable(); + + if (t) { + struct display_dispatch *d; + d = (struct display_dispatch *) malloc(sizeof(struct display_dispatch)); + if (d) { + d->Dpy = dpy; + d->Table = t; + /* insert at head of list */ + d->Next = DispatchList; + DispatchList = d; + /* update cache */ + prevDisplay = dpy; + prevTable = t; + return t; + } + } + } + + /* If we get here that means we can't use real GLX on this display + * and the Mesa pseudo-GLX software renderer wasn't compiled in. + * Or, we ran out of memory! + */ + return NULL; +} + + +/* Don't use the GET_DISPATCH defined in glthread.h */ +#undef GET_DISPATCH + +#define GET_DISPATCH(DPY, TABLE) \ + if (DPY == prevDisplay) { \ + TABLE = prevTable; \ + } \ + else if (!DPY) { \ + TABLE = NULL; \ + } \ + else { \ + TABLE = get_dispatch(DPY); \ + } + + + + +/** + * GLX API current context. + */ +pipe_tsd ContextTSD; + + +static void +SetCurrentContext(GLXContext c) +{ + pipe_tsd_set(&ContextTSD, c); +} + + +/* + * GLX API entrypoints + */ + +/*** GLX_VERSION_1_0 ***/ + +XVisualInfo PUBLIC * +glXChooseVisual(Display *dpy, int screen, int *list) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return NULL; + return (t->ChooseVisual)(dpy, screen, list); +} + + +void PUBLIC +glXCopyContext(Display *dpy, GLXContext src, GLXContext dst, unsigned long mask) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return; + (t->CopyContext)(dpy, src, dst, mask); +} + + +GLXContext PUBLIC +glXCreateContext(Display *dpy, XVisualInfo *visinfo, GLXContext shareList, Bool direct) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return 0; + return (t->CreateContext)(dpy, visinfo, shareList, direct); +} + + +GLXPixmap PUBLIC +glXCreateGLXPixmap(Display *dpy, XVisualInfo *visinfo, Pixmap pixmap) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return 0; + return (t->CreateGLXPixmap)(dpy, visinfo, pixmap); +} + + +void PUBLIC +glXDestroyContext(Display *dpy, GLXContext ctx) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return; + if (glXGetCurrentContext() == ctx) + SetCurrentContext(NULL); + (t->DestroyContext)(dpy, ctx); +} + + +void PUBLIC +glXDestroyGLXPixmap(Display *dpy, GLXPixmap pixmap) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return; + (t->DestroyGLXPixmap)(dpy, pixmap); +} + + +int PUBLIC +glXGetConfig(Display *dpy, XVisualInfo *visinfo, int attrib, int *value) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return GLX_NO_EXTENSION; + return (t->GetConfig)(dpy, visinfo, attrib, value); +} + + +GLXContext PUBLIC +glXGetCurrentContext(void) +{ + return (GLXContext) pipe_tsd_get(&ContextTSD); +} + + +GLXDrawable PUBLIC +glXGetCurrentDrawable(void) +{ + __GLXcontext *gc = (__GLXcontext *) glXGetCurrentContext(); + return gc ? gc->currentDrawable : 0; +} + + +Bool PUBLIC +glXIsDirect(Display *dpy, GLXContext ctx) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return False; + return (t->IsDirect)(dpy, ctx); +} + + +Bool PUBLIC +glXMakeCurrent(Display *dpy, GLXDrawable drawable, GLXContext ctx) +{ + Bool b; + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) { + return False; + } + b = (*t->MakeCurrent)(dpy, drawable, ctx); + if (b) { + SetCurrentContext(ctx); + } + return b; +} + + +Bool PUBLIC +glXQueryExtension(Display *dpy, int *errorb, int *event) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return False; + return (t->QueryExtension)(dpy, errorb, event); +} + + +Bool PUBLIC +glXQueryVersion(Display *dpy, int *maj, int *min) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return False; + return (t->QueryVersion)(dpy, maj, min); +} + + +void PUBLIC +glXSwapBuffers(Display *dpy, GLXDrawable drawable) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return; + (t->SwapBuffers)(dpy, drawable); +} + + +void PUBLIC +glXUseXFont(Font font, int first, int count, int listBase) +{ + struct _glxapi_table *t; + Display *dpy = glXGetCurrentDisplay(); + GET_DISPATCH(dpy, t); + if (!t) + return; + (t->UseXFont)(font, first, count, listBase); +} + + +void PUBLIC +glXWaitGL(void) +{ + struct _glxapi_table *t; + Display *dpy = glXGetCurrentDisplay(); + GET_DISPATCH(dpy, t); + if (!t) + return; + (t->WaitGL)(); +} + + +void PUBLIC +glXWaitX(void) +{ + struct _glxapi_table *t; + Display *dpy = glXGetCurrentDisplay(); + GET_DISPATCH(dpy, t); + if (!t) + return; + (t->WaitX)(); +} + + + +/*** GLX_VERSION_1_1 ***/ + +const char PUBLIC * +glXGetClientString(Display *dpy, int name) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return NULL; + return (t->GetClientString)(dpy, name); +} + + +const char PUBLIC * +glXQueryExtensionsString(Display *dpy, int screen) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return NULL; + return (t->QueryExtensionsString)(dpy, screen); +} + + +const char PUBLIC * +glXQueryServerString(Display *dpy, int screen, int name) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return NULL; + return (t->QueryServerString)(dpy, screen, name); +} + + +/*** GLX_VERSION_1_2 ***/ + +Display PUBLIC * +glXGetCurrentDisplay(void) +{ + /* Same code as in libGL's glxext.c */ + __GLXcontext *gc = (__GLXcontext *) glXGetCurrentContext(); + if (NULL == gc) return NULL; + return gc->currentDpy; +} + + + +/*** GLX_VERSION_1_3 ***/ + +GLXFBConfig PUBLIC * +glXChooseFBConfig(Display *dpy, int screen, const int *attribList, int *nitems) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return 0; + return (t->ChooseFBConfig)(dpy, screen, attribList, nitems); +} + + +GLXContext PUBLIC +glXCreateNewContext(Display *dpy, GLXFBConfig config, int renderType, GLXContext shareList, Bool direct) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return 0; + return (t->CreateNewContext)(dpy, config, renderType, shareList, direct); +} + + +GLXPbuffer PUBLIC +glXCreatePbuffer(Display *dpy, GLXFBConfig config, const int *attribList) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return 0; + return (t->CreatePbuffer)(dpy, config, attribList); +} + + +GLXPixmap PUBLIC +glXCreatePixmap(Display *dpy, GLXFBConfig config, Pixmap pixmap, const int *attribList) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return 0; + return (t->CreatePixmap)(dpy, config, pixmap, attribList); +} + + +GLXWindow PUBLIC +glXCreateWindow(Display *dpy, GLXFBConfig config, Window win, const int *attribList) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return 0; + return (t->CreateWindow)(dpy, config, win, attribList); +} + + +void PUBLIC +glXDestroyPbuffer(Display *dpy, GLXPbuffer pbuf) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return; + (t->DestroyPbuffer)(dpy, pbuf); +} + + +void PUBLIC +glXDestroyPixmap(Display *dpy, GLXPixmap pixmap) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return; + (t->DestroyPixmap)(dpy, pixmap); +} + + +void PUBLIC +glXDestroyWindow(Display *dpy, GLXWindow window) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return; + (t->DestroyWindow)(dpy, window); +} + + +GLXDrawable PUBLIC +glXGetCurrentReadDrawable(void) +{ + __GLXcontext *gc = (__GLXcontext *) glXGetCurrentContext(); + return gc ? gc->currentReadable : 0; +} + + +int PUBLIC +glXGetFBConfigAttrib(Display *dpy, GLXFBConfig config, int attribute, int *value) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return GLX_NO_EXTENSION; + return (t->GetFBConfigAttrib)(dpy, config, attribute, value); +} + + +GLXFBConfig PUBLIC * +glXGetFBConfigs(Display *dpy, int screen, int *nelements) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return 0; + return (t->GetFBConfigs)(dpy, screen, nelements); +} + +void PUBLIC +glXGetSelectedEvent(Display *dpy, GLXDrawable drawable, unsigned long *mask) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return; + (t->GetSelectedEvent)(dpy, drawable, mask); +} + + +XVisualInfo PUBLIC * +glXGetVisualFromFBConfig(Display *dpy, GLXFBConfig config) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return NULL; + return (t->GetVisualFromFBConfig)(dpy, config); +} + + +Bool PUBLIC +glXMakeContextCurrent(Display *dpy, GLXDrawable draw, GLXDrawable read, GLXContext ctx) +{ + Bool b; + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return False; + b = (t->MakeContextCurrent)(dpy, draw, read, ctx); + if (b) { + SetCurrentContext(ctx); + } + return b; +} + + +int PUBLIC +glXQueryContext(Display *dpy, GLXContext ctx, int attribute, int *value) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + assert(t); + if (!t) + return 0; /* XXX correct? */ + return (t->QueryContext)(dpy, ctx, attribute, value); +} + + +void PUBLIC +glXQueryDrawable(Display *dpy, GLXDrawable draw, int attribute, unsigned int *value) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return; + (t->QueryDrawable)(dpy, draw, attribute, value); +} + + +void PUBLIC +glXSelectEvent(Display *dpy, GLXDrawable drawable, unsigned long mask) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return; + (t->SelectEvent)(dpy, drawable, mask); +} + + + +/*** GLX_SGI_swap_control ***/ + +int PUBLIC +glXSwapIntervalSGI(int interval) +{ + struct _glxapi_table *t; + Display *dpy = glXGetCurrentDisplay(); + GET_DISPATCH(dpy, t); + if (!t) + return 0; + return (t->SwapIntervalSGI)(interval); +} + + + +/*** GLX_SGI_video_sync ***/ + +int PUBLIC +glXGetVideoSyncSGI(unsigned int *count) +{ + struct _glxapi_table *t; + Display *dpy = glXGetCurrentDisplay(); + GET_DISPATCH(dpy, t); + if (!t || !glXGetCurrentContext()) + return GLX_BAD_CONTEXT; + return (t->GetVideoSyncSGI)(count); +} + +int PUBLIC +glXWaitVideoSyncSGI(int divisor, int remainder, unsigned int *count) +{ + struct _glxapi_table *t; + Display *dpy = glXGetCurrentDisplay(); + GET_DISPATCH(dpy, t); + if (!t || !glXGetCurrentContext()) + return GLX_BAD_CONTEXT; + return (t->WaitVideoSyncSGI)(divisor, remainder, count); +} + + + +/*** GLX_SGI_make_current_read ***/ + +Bool PUBLIC +glXMakeCurrentReadSGI(Display *dpy, GLXDrawable draw, GLXDrawable read, GLXContext ctx) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return False; + return (t->MakeCurrentReadSGI)(dpy, draw, read, ctx); +} + +GLXDrawable PUBLIC +glXGetCurrentReadDrawableSGI(void) +{ + return glXGetCurrentReadDrawable(); +} + + +#if defined(_VL_H) + +GLXVideoSourceSGIX PUBLIC +glXCreateGLXVideoSourceSGIX(Display *dpy, int screen, VLServer server, VLPath path, int nodeClass, VLNode drainNode) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return 0; + return (t->CreateGLXVideoSourceSGIX)(dpy, screen, server, path, nodeClass, drainNode); +} + +void PUBLIC +glXDestroyGLXVideoSourceSGIX(Display *dpy, GLXVideoSourceSGIX src) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return 0; + return (t->DestroyGLXVideoSourceSGIX)(dpy, src); +} + +#endif + + +/*** GLX_EXT_import_context ***/ + +void PUBLIC +glXFreeContextEXT(Display *dpy, GLXContext context) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return; + (t->FreeContextEXT)(dpy, context); +} + +GLXContextID PUBLIC +glXGetContextIDEXT(const GLXContext context) +{ + return ((__GLXcontext *) context)->xid; +} + +Display PUBLIC * +glXGetCurrentDisplayEXT(void) +{ + return glXGetCurrentDisplay(); +} + +GLXContext PUBLIC +glXImportContextEXT(Display *dpy, GLXContextID contextID) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return 0; + return (t->ImportContextEXT)(dpy, contextID); +} + +int PUBLIC +glXQueryContextInfoEXT(Display *dpy, GLXContext context, int attribute,int *value) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return 0; /* XXX ok? */ + return (t->QueryContextInfoEXT)(dpy, context, attribute, value); +} + + + +/*** GLX_SGIX_fbconfig ***/ + +int PUBLIC +glXGetFBConfigAttribSGIX(Display *dpy, GLXFBConfigSGIX config, int attribute, int *value) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return 0; + return (t->GetFBConfigAttribSGIX)(dpy, config, attribute, value); +} + +GLXFBConfigSGIX PUBLIC * +glXChooseFBConfigSGIX(Display *dpy, int screen, int *attrib_list, int *nelements) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return 0; + return (t->ChooseFBConfigSGIX)(dpy, screen, attrib_list, nelements); +} + +GLXPixmap PUBLIC +glXCreateGLXPixmapWithConfigSGIX(Display *dpy, GLXFBConfigSGIX config, Pixmap pixmap) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return 0; + return (t->CreateGLXPixmapWithConfigSGIX)(dpy, config, pixmap); +} + +GLXContext PUBLIC +glXCreateContextWithConfigSGIX(Display *dpy, GLXFBConfigSGIX config, int render_type, GLXContext share_list, Bool direct) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return 0; + return (t->CreateContextWithConfigSGIX)(dpy, config, render_type, share_list, direct); +} + +XVisualInfo PUBLIC * +glXGetVisualFromFBConfigSGIX(Display *dpy, GLXFBConfigSGIX config) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return 0; + return (t->GetVisualFromFBConfigSGIX)(dpy, config); +} + +GLXFBConfigSGIX PUBLIC +glXGetFBConfigFromVisualSGIX(Display *dpy, XVisualInfo *vis) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return 0; + return (t->GetFBConfigFromVisualSGIX)(dpy, vis); +} + + + +/*** GLX_SGIX_pbuffer ***/ + +GLXPbufferSGIX PUBLIC +glXCreateGLXPbufferSGIX(Display *dpy, GLXFBConfigSGIX config, unsigned int width, unsigned int height, int *attrib_list) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return 0; + return (t->CreateGLXPbufferSGIX)(dpy, config, width, height, attrib_list); +} + +void PUBLIC +glXDestroyGLXPbufferSGIX(Display *dpy, GLXPbufferSGIX pbuf) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return; + (t->DestroyGLXPbufferSGIX)(dpy, pbuf); +} + +int PUBLIC +glXQueryGLXPbufferSGIX(Display *dpy, GLXPbufferSGIX pbuf, int attribute, unsigned int *value) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return 0; + return (t->QueryGLXPbufferSGIX)(dpy, pbuf, attribute, value); +} + +void PUBLIC +glXSelectEventSGIX(Display *dpy, GLXDrawable drawable, unsigned long mask) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return; + (t->SelectEventSGIX)(dpy, drawable, mask); +} + +void PUBLIC +glXGetSelectedEventSGIX(Display *dpy, GLXDrawable drawable, unsigned long *mask) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return; + (t->GetSelectedEventSGIX)(dpy, drawable, mask); +} + + + +/*** GLX_SGI_cushion ***/ + +void PUBLIC +glXCushionSGI(Display *dpy, Window win, float cushion) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return; + (t->CushionSGI)(dpy, win, cushion); +} + + + +/*** GLX_SGIX_video_resize ***/ + +int PUBLIC +glXBindChannelToWindowSGIX(Display *dpy, int screen, int channel , Window window) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return 0; + return (t->BindChannelToWindowSGIX)(dpy, screen, channel, window); +} + +int PUBLIC +glXChannelRectSGIX(Display *dpy, int screen, int channel, int x, int y, int w, int h) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return 0; + return (t->ChannelRectSGIX)(dpy, screen, channel, x, y, w, h); +} + +int PUBLIC +glXQueryChannelRectSGIX(Display *dpy, int screen, int channel, int *x, int *y, int *w, int *h) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return 0; + return (t->QueryChannelRectSGIX)(dpy, screen, channel, x, y, w, h); +} + +int PUBLIC +glXQueryChannelDeltasSGIX(Display *dpy, int screen, int channel, int *dx, int *dy, int *dw, int *dh) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return 0; + return (t->QueryChannelDeltasSGIX)(dpy, screen, channel, dx, dy, dw, dh); +} + +int PUBLIC +glXChannelRectSyncSGIX(Display *dpy, int screen, int channel, GLenum synctype) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return 0; + return (t->ChannelRectSyncSGIX)(dpy, screen, channel, synctype); +} + + + +#if defined(_DM_BUFFER_H_) + +Bool PUBLIC +glXAssociateDMPbufferSGIX(Display *dpy, GLXPbufferSGIX pbuffer, DMparams *params, DMbuffer dmbuffer) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return False; + return (t->AssociateDMPbufferSGIX)(dpy, pbuffer, params, dmbuffer); +} + +#endif + + +/*** GLX_SGIX_swap_group ***/ + +void PUBLIC +glXJoinSwapGroupSGIX(Display *dpy, GLXDrawable drawable, GLXDrawable member) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return; + (*t->JoinSwapGroupSGIX)(dpy, drawable, member); +} + + +/*** GLX_SGIX_swap_barrier ***/ + +void PUBLIC +glXBindSwapBarrierSGIX(Display *dpy, GLXDrawable drawable, int barrier) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return; + (*t->BindSwapBarrierSGIX)(dpy, drawable, barrier); +} + +Bool PUBLIC +glXQueryMaxSwapBarriersSGIX(Display *dpy, int screen, int *max) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return False; + return (*t->QueryMaxSwapBarriersSGIX)(dpy, screen, max); +} + + + +/*** GLX_SUN_get_transparent_index ***/ + +Status PUBLIC +glXGetTransparentIndexSUN(Display *dpy, Window overlay, Window underlay, long *pTransparent) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return False; + return (*t->GetTransparentIndexSUN)(dpy, overlay, underlay, pTransparent); +} + + + +/*** GLX_MESA_copy_sub_buffer ***/ + +void PUBLIC +glXCopySubBufferMESA(Display *dpy, GLXDrawable drawable, int x, int y, int width, int height) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return; + (t->CopySubBufferMESA)(dpy, drawable, x, y, width, height); +} + + + +/*** GLX_MESA_release_buffers ***/ + +Bool PUBLIC +glXReleaseBuffersMESA(Display *dpy, Window w) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return False; + return (t->ReleaseBuffersMESA)(dpy, w); +} + + + +/*** GLX_MESA_pixmap_colormap ***/ + +GLXPixmap PUBLIC +glXCreateGLXPixmapMESA(Display *dpy, XVisualInfo *visinfo, Pixmap pixmap, Colormap cmap) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (!t) + return 0; + return (t->CreateGLXPixmapMESA)(dpy, visinfo, pixmap, cmap); +} + +/*** GLX_EXT_texture_from_pixmap */ + +void +glXBindTexImageEXT(Display *dpy, GLXDrawable drawable, int buffer, + const int *attrib_list) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (t) + t->BindTexImageEXT(dpy, drawable, buffer, attrib_list); +} + +void +glXReleaseTexImageEXT(Display *dpy, GLXDrawable drawable, int buffer) +{ + struct _glxapi_table *t; + GET_DISPATCH(dpy, t); + if (t) + t->ReleaseTexImageEXT(dpy, drawable, buffer); +} + + +/**********************************************************************/ +/* GLX API management functions */ +/**********************************************************************/ + + +const char * +_glxapi_get_version(void) +{ + return "1.3"; +} + + + +/* + * Return size of the GLX dispatch table, in entries, not bytes. + */ +GLuint +_glxapi_get_dispatch_table_size(void) +{ + return sizeof(struct _glxapi_table) / sizeof(void *); +} + + +static int +generic_no_op_func(void) +{ + return 0; +} + + +/* + * Initialize all functions in given dispatch table to be no-ops + */ +void +_glxapi_set_no_op_table(struct _glxapi_table *t) +{ + typedef int (*nop_func)(void); + nop_func *dispatch = (nop_func *) t; + GLuint n = _glxapi_get_dispatch_table_size(); + GLuint i; + for (i = 0; i < n; i++) { + dispatch[i] = generic_no_op_func; + } +} + + +struct name_address_pair { + const char *Name; + __GLXextFuncPtr Address; +}; + +static struct name_address_pair GLX_functions[] = { + /*** GLX_VERSION_1_0 ***/ + { "glXChooseVisual", (__GLXextFuncPtr) glXChooseVisual }, + { "glXCopyContext", (__GLXextFuncPtr) glXCopyContext }, + { "glXCreateContext", (__GLXextFuncPtr) glXCreateContext }, + { "glXCreateGLXPixmap", (__GLXextFuncPtr) glXCreateGLXPixmap }, + { "glXDestroyContext", (__GLXextFuncPtr) glXDestroyContext }, + { "glXDestroyGLXPixmap", (__GLXextFuncPtr) glXDestroyGLXPixmap }, + { "glXGetConfig", (__GLXextFuncPtr) glXGetConfig }, + { "glXGetCurrentContext", (__GLXextFuncPtr) glXGetCurrentContext }, + { "glXGetCurrentDrawable", (__GLXextFuncPtr) glXGetCurrentDrawable }, + { "glXIsDirect", (__GLXextFuncPtr) glXIsDirect }, + { "glXMakeCurrent", (__GLXextFuncPtr) glXMakeCurrent }, + { "glXQueryExtension", (__GLXextFuncPtr) glXQueryExtension }, + { "glXQueryVersion", (__GLXextFuncPtr) glXQueryVersion }, + { "glXSwapBuffers", (__GLXextFuncPtr) glXSwapBuffers }, + { "glXUseXFont", (__GLXextFuncPtr) glXUseXFont }, + { "glXWaitGL", (__GLXextFuncPtr) glXWaitGL }, + { "glXWaitX", (__GLXextFuncPtr) glXWaitX }, + + /*** GLX_VERSION_1_1 ***/ + { "glXGetClientString", (__GLXextFuncPtr) glXGetClientString }, + { "glXQueryExtensionsString", (__GLXextFuncPtr) glXQueryExtensionsString }, + { "glXQueryServerString", (__GLXextFuncPtr) glXQueryServerString }, + + /*** GLX_VERSION_1_2 ***/ + { "glXGetCurrentDisplay", (__GLXextFuncPtr) glXGetCurrentDisplay }, + + /*** GLX_VERSION_1_3 ***/ + { "glXChooseFBConfig", (__GLXextFuncPtr) glXChooseFBConfig }, + { "glXCreateNewContext", (__GLXextFuncPtr) glXCreateNewContext }, + { "glXCreatePbuffer", (__GLXextFuncPtr) glXCreatePbuffer }, + { "glXCreatePixmap", (__GLXextFuncPtr) glXCreatePixmap }, + { "glXCreateWindow", (__GLXextFuncPtr) glXCreateWindow }, + { "glXDestroyPbuffer", (__GLXextFuncPtr) glXDestroyPbuffer }, + { "glXDestroyPixmap", (__GLXextFuncPtr) glXDestroyPixmap }, + { "glXDestroyWindow", (__GLXextFuncPtr) glXDestroyWindow }, + { "glXGetCurrentReadDrawable", (__GLXextFuncPtr) glXGetCurrentReadDrawable }, + { "glXGetFBConfigAttrib", (__GLXextFuncPtr) glXGetFBConfigAttrib }, + { "glXGetFBConfigs", (__GLXextFuncPtr) glXGetFBConfigs }, + { "glXGetSelectedEvent", (__GLXextFuncPtr) glXGetSelectedEvent }, + { "glXGetVisualFromFBConfig", (__GLXextFuncPtr) glXGetVisualFromFBConfig }, + { "glXMakeContextCurrent", (__GLXextFuncPtr) glXMakeContextCurrent }, + { "glXQueryContext", (__GLXextFuncPtr) glXQueryContext }, + { "glXQueryDrawable", (__GLXextFuncPtr) glXQueryDrawable }, + { "glXSelectEvent", (__GLXextFuncPtr) glXSelectEvent }, + + /*** GLX_VERSION_1_4 ***/ + { "glXGetProcAddress", (__GLXextFuncPtr) glXGetProcAddress }, + + /*** GLX_SGI_swap_control ***/ + { "glXSwapIntervalSGI", (__GLXextFuncPtr) glXSwapIntervalSGI }, + + /*** GLX_SGI_video_sync ***/ + { "glXGetVideoSyncSGI", (__GLXextFuncPtr) glXGetVideoSyncSGI }, + { "glXWaitVideoSyncSGI", (__GLXextFuncPtr) glXWaitVideoSyncSGI }, + + /*** GLX_SGI_make_current_read ***/ + { "glXMakeCurrentReadSGI", (__GLXextFuncPtr) glXMakeCurrentReadSGI }, + { "glXGetCurrentReadDrawableSGI", (__GLXextFuncPtr) glXGetCurrentReadDrawableSGI }, + + /*** GLX_SGIX_video_source ***/ +#if defined(_VL_H) + { "glXCreateGLXVideoSourceSGIX", (__GLXextFuncPtr) glXCreateGLXVideoSourceSGIX }, + { "glXDestroyGLXVideoSourceSGIX", (__GLXextFuncPtr) glXDestroyGLXVideoSourceSGIX }, +#endif + + /*** GLX_EXT_import_context ***/ + { "glXFreeContextEXT", (__GLXextFuncPtr) glXFreeContextEXT }, + { "glXGetContextIDEXT", (__GLXextFuncPtr) glXGetContextIDEXT }, + { "glXGetCurrentDisplayEXT", (__GLXextFuncPtr) glXGetCurrentDisplayEXT }, + { "glXImportContextEXT", (__GLXextFuncPtr) glXImportContextEXT }, + { "glXQueryContextInfoEXT", (__GLXextFuncPtr) glXQueryContextInfoEXT }, + + /*** GLX_SGIX_fbconfig ***/ + { "glXGetFBConfigAttribSGIX", (__GLXextFuncPtr) glXGetFBConfigAttribSGIX }, + { "glXChooseFBConfigSGIX", (__GLXextFuncPtr) glXChooseFBConfigSGIX }, + { "glXCreateGLXPixmapWithConfigSGIX", (__GLXextFuncPtr) glXCreateGLXPixmapWithConfigSGIX }, + { "glXCreateContextWithConfigSGIX", (__GLXextFuncPtr) glXCreateContextWithConfigSGIX }, + { "glXGetVisualFromFBConfigSGIX", (__GLXextFuncPtr) glXGetVisualFromFBConfigSGIX }, + { "glXGetFBConfigFromVisualSGIX", (__GLXextFuncPtr) glXGetFBConfigFromVisualSGIX }, + + /*** GLX_SGIX_pbuffer ***/ + { "glXCreateGLXPbufferSGIX", (__GLXextFuncPtr) glXCreateGLXPbufferSGIX }, + { "glXDestroyGLXPbufferSGIX", (__GLXextFuncPtr) glXDestroyGLXPbufferSGIX }, + { "glXQueryGLXPbufferSGIX", (__GLXextFuncPtr) glXQueryGLXPbufferSGIX }, + { "glXSelectEventSGIX", (__GLXextFuncPtr) glXSelectEventSGIX }, + { "glXGetSelectedEventSGIX", (__GLXextFuncPtr) glXGetSelectedEventSGIX }, + + /*** GLX_SGI_cushion ***/ + { "glXCushionSGI", (__GLXextFuncPtr) glXCushionSGI }, + + /*** GLX_SGIX_video_resize ***/ + { "glXBindChannelToWindowSGIX", (__GLXextFuncPtr) glXBindChannelToWindowSGIX }, + { "glXChannelRectSGIX", (__GLXextFuncPtr) glXChannelRectSGIX }, + { "glXQueryChannelRectSGIX", (__GLXextFuncPtr) glXQueryChannelRectSGIX }, + { "glXQueryChannelDeltasSGIX", (__GLXextFuncPtr) glXQueryChannelDeltasSGIX }, + { "glXChannelRectSyncSGIX", (__GLXextFuncPtr) glXChannelRectSyncSGIX }, + + /*** GLX_SGIX_dmbuffer **/ +#if defined(_DM_BUFFER_H_) + { "glXAssociateDMPbufferSGIX", (__GLXextFuncPtr) glXAssociateDMPbufferSGIX }, +#endif + + /*** GLX_SGIX_swap_group ***/ + { "glXJoinSwapGroupSGIX", (__GLXextFuncPtr) glXJoinSwapGroupSGIX }, + + /*** GLX_SGIX_swap_barrier ***/ + { "glXBindSwapBarrierSGIX", (__GLXextFuncPtr) glXBindSwapBarrierSGIX }, + { "glXQueryMaxSwapBarriersSGIX", (__GLXextFuncPtr) glXQueryMaxSwapBarriersSGIX }, + + /*** GLX_SUN_get_transparent_index ***/ + { "glXGetTransparentIndexSUN", (__GLXextFuncPtr) glXGetTransparentIndexSUN }, + + /*** GLX_MESA_copy_sub_buffer ***/ + { "glXCopySubBufferMESA", (__GLXextFuncPtr) glXCopySubBufferMESA }, + + /*** GLX_MESA_pixmap_colormap ***/ + { "glXCreateGLXPixmapMESA", (__GLXextFuncPtr) glXCreateGLXPixmapMESA }, + + /*** GLX_MESA_release_buffers ***/ + { "glXReleaseBuffersMESA", (__GLXextFuncPtr) glXReleaseBuffersMESA }, + + /*** GLX_ARB_get_proc_address ***/ + { "glXGetProcAddressARB", (__GLXextFuncPtr) glXGetProcAddressARB }, + + /*** GLX_EXT_texture_from_pixmap ***/ + { "glXBindTexImageEXT", (__GLXextFuncPtr) glXBindTexImageEXT }, + { "glXReleaseTexImageEXT", (__GLXextFuncPtr) glXReleaseTexImageEXT }, + + { NULL, NULL } /* end of list */ +}; + + + +/* + * Return address of named glX function, or NULL if not found. + */ +__GLXextFuncPtr +_glxapi_get_proc_address(const char *funcName) +{ + GLuint i; + for (i = 0; GLX_functions[i].Name; i++) { + if (strcmp(GLX_functions[i].Name, funcName) == 0) + return GLX_functions[i].Address; + } + return NULL; +} + + + +/* + * This function does not get dispatched through the dispatch table + * since it's really a "meta" function. + */ +__GLXextFuncPtr +glXGetProcAddressARB(const GLubyte *procName) +{ + __GLXextFuncPtr f; + + f = _glxapi_get_proc_address((const char *) procName); + if (f) { + return f; + } + + f = (__GLXextFuncPtr) _glapi_get_proc_address((const char *) procName); + return f; +} + + +/* GLX 1.4 */ +void (*glXGetProcAddress(const GLubyte *procName))() +{ + return glXGetProcAddressARB(procName); +} diff --git a/src/gallium/state_trackers/glx/xlib/glxapi.h b/src/gallium/state_trackers/glx/xlib/glxapi.h new file mode 100644 index 00000000000..b4e12b4162b --- /dev/null +++ b/src/gallium/state_trackers/glx/xlib/glxapi.h @@ -0,0 +1,213 @@ +/* + * Mesa 3-D graphics library + * Version: 6.3 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef _glxapi_h_ +#define _glxapi_h_ + + +#define GLX_GLXEXT_PROTOTYPES +#include "GL/glx.h" + + +/* The GLX API dispatcher (i.e. this code) is being built into stand-alone + * Mesa. We don't know anything about XFree86 or real GLX so we define a + * minimal __GLXContextRec here so some of the functions in this file can + * work properly. + */ +typedef struct __GLXcontextRec { + Display *currentDpy; + GLboolean isDirect; + GLXDrawable currentDrawable; + GLXDrawable currentReadable; + XID xid; +} __GLXcontext; + + +/* + * Almost all the GLX API functions get routed through this dispatch table. + * The exceptions are the glXGetCurrentXXX() functions. + * + * This dispatch table allows multiple GLX client-side modules to coexist. + * Specifically, a real GLX library (like SGI's or the Utah GLX) and Mesa's + * pseudo-GLX can be present at the same time. The former being used on + * GLX-enabled X servers and the later on non-GLX X servers. + * + * Red Hat has been using this since Red Hat Linux 7.0 (I think). + * This'll be a standard feature in XFree86 4.3. It basically allows one + * libGL to do both DRI-rendering and "fake GLX" rendering to X displays + * that lack the GLX extension. + */ +struct _glxapi_table { + /*** GLX_VERSION_1_0 ***/ + XVisualInfo *(*ChooseVisual)(Display *dpy, int screen, int *list); + void (*CopyContext)(Display *dpy, GLXContext src, GLXContext dst, unsigned long mask); + GLXContext (*CreateContext)(Display *dpy, XVisualInfo *visinfo, GLXContext shareList, Bool direct); + GLXPixmap (*CreateGLXPixmap)(Display *dpy, XVisualInfo *visinfo, Pixmap pixmap); + void (*DestroyContext)(Display *dpy, GLXContext ctx); + void (*DestroyGLXPixmap)(Display *dpy, GLXPixmap pixmap); + int (*GetConfig)(Display *dpy, XVisualInfo *visinfo, int attrib, int *value); + /*GLXContext (*GetCurrentContext)(void);*/ + /*GLXDrawable (*GetCurrentDrawable)(void);*/ + Bool (*IsDirect)(Display *dpy, GLXContext ctx); + Bool (*MakeCurrent)(Display *dpy, GLXDrawable drawable, GLXContext ctx); + Bool (*QueryExtension)(Display *dpy, int *errorb, int *event); + Bool (*QueryVersion)(Display *dpy, int *maj, int *min); + void (*SwapBuffers)(Display *dpy, GLXDrawable drawable); + void (*UseXFont)(Font font, int first, int count, int listBase); + void (*WaitGL)(void); + void (*WaitX)(void); + + /*** GLX_VERSION_1_1 ***/ + const char *(*GetClientString)(Display *dpy, int name); + const char *(*QueryExtensionsString)(Display *dpy, int screen); + const char *(*QueryServerString)(Display *dpy, int screen, int name); + + /*** GLX_VERSION_1_2 ***/ + /*Display *(*GetCurrentDisplay)(void);*/ + + /*** GLX_VERSION_1_3 ***/ + GLXFBConfig *(*ChooseFBConfig)(Display *dpy, int screen, const int *attribList, int *nitems); + GLXContext (*CreateNewContext)(Display *dpy, GLXFBConfig config, int renderType, GLXContext shareList, Bool direct); + GLXPbuffer (*CreatePbuffer)(Display *dpy, GLXFBConfig config, const int *attribList); + GLXPixmap (*CreatePixmap)(Display *dpy, GLXFBConfig config, Pixmap pixmap, const int *attribList); + GLXWindow (*CreateWindow)(Display *dpy, GLXFBConfig config, Window win, const int *attribList); + void (*DestroyPbuffer)(Display *dpy, GLXPbuffer pbuf); + void (*DestroyPixmap)(Display *dpy, GLXPixmap pixmap); + void (*DestroyWindow)(Display *dpy, GLXWindow window); + /*GLXDrawable (*GetCurrentReadDrawable)(void);*/ + int (*GetFBConfigAttrib)(Display *dpy, GLXFBConfig config, int attribute, int *value); + GLXFBConfig *(*GetFBConfigs)(Display *dpy, int screen, int *nelements); + void (*GetSelectedEvent)(Display *dpy, GLXDrawable drawable, unsigned long *mask); + XVisualInfo *(*GetVisualFromFBConfig)(Display *dpy, GLXFBConfig config); + Bool (*MakeContextCurrent)(Display *dpy, GLXDrawable draw, GLXDrawable read, GLXContext ctx); + int (*QueryContext)(Display *dpy, GLXContext ctx, int attribute, int *value); + void (*QueryDrawable)(Display *dpy, GLXDrawable draw, int attribute, unsigned int *value); + void (*SelectEvent)(Display *dpy, GLXDrawable drawable, unsigned long mask); + + /*** GLX_SGI_swap_control ***/ + int (*SwapIntervalSGI)(int); + + /*** GLX_SGI_video_sync ***/ + int (*GetVideoSyncSGI)(unsigned int *count); + int (*WaitVideoSyncSGI)(int divisor, int remainder, unsigned int *count); + + /*** GLX_SGI_make_current_read ***/ + Bool (*MakeCurrentReadSGI)(Display *, GLXDrawable, GLXDrawable, GLXContext); + /*GLXDrawable (*GetCurrentReadDrawableSGI)(void);*/ + + /*** GLX_SGIX_video_source (needs video library) ***/ +#if defined(_VL_H_) + GLXVideoSourceSGIX (*CreateGLXVideoSourceSGIX)(Display *, int, VLServer, VLPath, int, VLNode); + void (*DestroyGLXVideoSourceSGIX)(Display *, GLXVideoSourceSGIX); +#else + void *CreateGLXVideoSourceSGIX; + void *DestroyGLXVideoSourceSGIX; +#endif + + /*** GLX_EXT_import_context ***/ + void (*FreeContextEXT)(Display *dpy, GLXContext context); + GLXContextID (*GetContextIDEXT)(const GLXContext context); + /*Display *(*GetCurrentDisplayEXT)(void);*/ + GLXContext (*ImportContextEXT)(Display *dpy, GLXContextID contextID); + int (*QueryContextInfoEXT)(Display *dpy, GLXContext context, int attribute,int *value); + + /*** GLX_SGIX_fbconfig ***/ + int (*GetFBConfigAttribSGIX)(Display *, GLXFBConfigSGIX, int, int *); + GLXFBConfigSGIX * (*ChooseFBConfigSGIX)(Display *, int, int *, int *); + GLXPixmap (*CreateGLXPixmapWithConfigSGIX)(Display *, GLXFBConfigSGIX, Pixmap); + GLXContext (*CreateContextWithConfigSGIX)(Display *, GLXFBConfigSGIX, int, GLXContext, Bool); + XVisualInfo * (*GetVisualFromFBConfigSGIX)(Display *, GLXFBConfigSGIX); + GLXFBConfigSGIX (*GetFBConfigFromVisualSGIX)(Display *, XVisualInfo *); + + /*** GLX_SGIX_pbuffer ***/ + GLXPbufferSGIX (*CreateGLXPbufferSGIX)(Display *, GLXFBConfigSGIX, unsigned int, unsigned int, int *); + void (*DestroyGLXPbufferSGIX)(Display *, GLXPbufferSGIX); + int (*QueryGLXPbufferSGIX)(Display *, GLXPbufferSGIX, int, unsigned int *); + void (*SelectEventSGIX)(Display *, GLXDrawable, unsigned long); + void (*GetSelectedEventSGIX)(Display *, GLXDrawable, unsigned long *); + + /*** GLX_SGI_cushion ***/ + void (*CushionSGI)(Display *, Window, float); + + /*** GLX_SGIX_video_resize ***/ + int (*BindChannelToWindowSGIX)(Display *, int, int, Window); + int (*ChannelRectSGIX)(Display *, int, int, int, int, int, int); + int (*QueryChannelRectSGIX)(Display *, int, int, int *, int *, int *, int *); + int (*QueryChannelDeltasSGIX)(Display *, int, int, int *, int *, int *, int *); + int (*ChannelRectSyncSGIX)(Display *, int, int, GLenum); + + /*** GLX_SGIX_dmbuffer (needs dmedia library) ***/ +#if defined (_DM_BUFFER_H_) + Bool (*AssociateDMPbufferSGIX)(Display *, GLXPbufferSGIX, DMparams *, DMbuffer); +#else + void *AssociciateDMPbufferSGIX; +#endif + + /*** GLX_SGIX_swap_group ***/ + void (*JoinSwapGroupSGIX)(Display *, GLXDrawable, GLXDrawable); + + /*** GLX_SGIX_swap_barrier ***/ + void (*BindSwapBarrierSGIX)(Display *, GLXDrawable, int); + Bool (*QueryMaxSwapBarriersSGIX)(Display *, int, int *); + + /*** GLX_SUN_get_transparent_index ***/ + Status (*GetTransparentIndexSUN)(Display *, Window, Window, long *); + + /*** GLX_MESA_copy_sub_buffer ***/ + void (*CopySubBufferMESA)(Display *dpy, GLXDrawable drawable, int x, int y, int width, int height); + + /*** GLX_MESA_release_buffers ***/ + Bool (*ReleaseBuffersMESA)(Display *dpy, Window w); + + /*** GLX_MESA_pixmap_colormap ***/ + GLXPixmap (*CreateGLXPixmapMESA)(Display *dpy, XVisualInfo *visinfo, Pixmap pixmap, Colormap cmap); + + /*** GLX_EXT_texture_from_pixmap ***/ + void (*BindTexImageEXT)(Display *dpy, GLXDrawable drawable, int buffer, + const int *attrib_list); + void (*ReleaseTexImageEXT)(Display *dpy, GLXDrawable drawable, int buffer); +}; + + + +extern const char * +_glxapi_get_version(void); + + + + +extern GLuint +_glxapi_get_dispatch_table_size(void); + + +extern void +_glxapi_set_no_op_table(struct _glxapi_table *t); + + +extern __GLXextFuncPtr +_glxapi_get_proc_address(const char *funcName); + + +#endif diff --git a/src/gallium/state_trackers/glx/xlib/xm_api.c b/src/gallium/state_trackers/glx/xlib/xm_api.c new file mode 100644 index 00000000000..82d125b5f31 --- /dev/null +++ b/src/gallium/state_trackers/glx/xlib/xm_api.c @@ -0,0 +1,1229 @@ +/* + * Mesa 3-D graphics library + * Version: 7.1 + * + * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +/** + * \file xm_api.c + * + * All the XMesa* API functions. + * + * + * NOTES: + * + * The window coordinate system origin (0,0) is in the lower-left corner + * of the window. X11's window coordinate origin is in the upper-left + * corner of the window. Therefore, most drawing functions in this + * file have to flip Y coordinates. + * + * Define USE_XSHM in the Makefile with -DUSE_XSHM if you want to compile + * in support for the MIT Shared Memory extension. If enabled, when you + * use an Ximage for the back buffer in double buffered mode, the "swap" + * operation will be faster. You must also link with -lXext. + * + * Byte swapping: If the Mesa host and the X display use a different + * byte order then there's some trickiness to be aware of when using + * XImages. The byte ordering used for the XImage is that of the X + * display, not the Mesa host. + * The color-to-pixel encoding for True/DirectColor must be done + * according to the display's visual red_mask, green_mask, and blue_mask. + * If XPutPixel is used to put a pixel into an XImage then XPutPixel will + * do byte swapping if needed. If one wants to directly "poke" the pixel + * into the XImage's buffer then the pixel must be byte swapped first. + * + */ + +#ifdef __CYGWIN__ +#undef WIN32 +#undef __WIN32__ +#endif + +#include "xm_api.h" +#include "main/context.h" +#include "main/framebuffer.h" + +#include "state_tracker/st_public.h" +#include "state_tracker/st_context.h" +#include "pipe/p_defines.h" +#include "pipe/p_screen.h" +#include "pipe/p_winsys.h" +#include "pipe/p_context.h" + +#include "xm_winsys.h" +#include <GL/glx.h> + +/** + * Global X driver lock + */ +pipe_mutex _xmesa_lock; + + + +/**********************************************************************/ +/***** X Utility Functions *****/ +/**********************************************************************/ + + +/** + * Return the host's byte order as LSBFirst or MSBFirst ala X. + */ +static int host_byte_order( void ) +{ + int i = 1; + char *cptr = (char *) &i; + return (*cptr==1) ? LSBFirst : MSBFirst; +} + + +/** + * Check if the X Shared Memory extension is available. + * Return: 0 = not available + * 1 = shared XImage support available + * 2 = shared Pixmap support available also + */ +int xmesa_check_for_xshm( Display *display ) +{ +#if defined(USE_XSHM) + int major, minor, ignore; + Bool pixmaps; + + if (getenv("SP_NO_RAST")) + return 0; + + if (getenv("MESA_NOSHM")) { + return 0; + } + + if (XQueryExtension( display, "MIT-SHM", &ignore, &ignore, &ignore )) { + if (XShmQueryVersion( display, &major, &minor, &pixmaps )==True) { + return (pixmaps==True) ? 2 : 1; + } + else { + return 0; + } + } + else { + return 0; + } +#else + /* No XSHM support */ + return 0; +#endif +} + + +/** + * Return the true number of bits per pixel for XImages. + * For example, if we request a 24-bit deep visual we may actually need/get + * 32bpp XImages. This function returns the appropriate bpp. + * Input: dpy - the X display + * visinfo - desribes the visual to be used for XImages + * Return: true number of bits per pixel for XImages + */ +static int +bits_per_pixel( XMesaVisual xmv ) +{ + Display *dpy = xmv->display; + XVisualInfo * visinfo = xmv->visinfo; + XImage *img; + int bitsPerPixel; + /* Create a temporary XImage */ + img = XCreateImage( dpy, visinfo->visual, visinfo->depth, + ZPixmap, 0, /*format, offset*/ + (char*) MALLOC(8), /*data*/ + 1, 1, /*width, height*/ + 32, /*bitmap_pad*/ + 0 /*bytes_per_line*/ + ); + assert(img); + /* grab the bits/pixel value */ + bitsPerPixel = img->bits_per_pixel; + /* free the XImage */ + _mesa_free( img->data ); + img->data = NULL; + XDestroyImage( img ); + return bitsPerPixel; +} + + + +/* + * Determine if a given X window ID is valid (window exists). + * Do this by calling XGetWindowAttributes() for the window and + * checking if we catch an X error. + * Input: dpy - the display + * win - the window to check for existance + * Return: GL_TRUE - window exists + * GL_FALSE - window doesn't exist + */ +static GLboolean WindowExistsFlag; + +static int window_exists_err_handler( Display* dpy, XErrorEvent* xerr ) +{ + (void) dpy; + if (xerr->error_code == BadWindow) { + WindowExistsFlag = GL_FALSE; + } + return 0; +} + +static GLboolean window_exists( Display *dpy, Window win ) +{ + XWindowAttributes wa; + int (*old_handler)( Display*, XErrorEvent* ); + WindowExistsFlag = GL_TRUE; + old_handler = XSetErrorHandler(window_exists_err_handler); + XGetWindowAttributes( dpy, win, &wa ); /* dummy request */ + XSetErrorHandler(old_handler); + return WindowExistsFlag; +} + +static Status +get_drawable_size( Display *dpy, Drawable d, uint *width, uint *height ) +{ + Window root; + Status stat; + int xpos, ypos; + unsigned int w, h, bw, depth; + stat = XGetGeometry(dpy, d, &root, &xpos, &ypos, &w, &h, &bw, &depth); + *width = w; + *height = h; + return stat; +} + + +/** + * Return the size of the window (or pixmap) that corresponds to the + * given XMesaBuffer. + * \param width returns width in pixels + * \param height returns height in pixels + */ +static void +xmesa_get_window_size(Display *dpy, XMesaBuffer b, + GLuint *width, GLuint *height) +{ + Status stat; + + pipe_mutex_lock(_xmesa_lock); + XSync(b->xm_visual->display, 0); /* added for Chromium */ + stat = get_drawable_size(dpy, b->drawable, width, height); + pipe_mutex_unlock(_xmesa_lock); + + if (!stat) { + /* probably querying a window that's recently been destroyed */ + _mesa_warning(NULL, "XGetGeometry failed!\n"); + *width = *height = 1; + } +} + +#define GET_REDMASK(__v) __v->mesa_visual.redMask +#define GET_GREENMASK(__v) __v->mesa_visual.greenMask +#define GET_BLUEMASK(__v) __v->mesa_visual.blueMask + + +/** + * Choose the pixel format for the given visual. + * This will tell the gallium driver how to pack pixel data into + * drawing surfaces. + */ +static GLuint +choose_pixel_format(XMesaVisual v) +{ + boolean native_byte_order = (host_byte_order() == + ImageByteOrder(v->display)); + + if ( GET_REDMASK(v) == 0x0000ff + && GET_GREENMASK(v) == 0x00ff00 + && GET_BLUEMASK(v) == 0xff0000 + && v->BitsPerPixel == 32) { + if (native_byte_order) { + /* no byteswapping needed */ + return 0 /* PIXEL_FORMAT_U_A8_B8_G8_R8 */; + } + else { + return PIPE_FORMAT_R8G8B8A8_UNORM; + } + } + else if ( GET_REDMASK(v) == 0xff0000 + && GET_GREENMASK(v) == 0x00ff00 + && GET_BLUEMASK(v) == 0x0000ff + && v->BitsPerPixel == 32) { + if (native_byte_order) { + /* no byteswapping needed */ + return PIPE_FORMAT_A8R8G8B8_UNORM; + } + else { + return PIPE_FORMAT_B8G8R8A8_UNORM; + } + } + else if ( GET_REDMASK(v) == 0xf800 + && GET_GREENMASK(v) == 0x07e0 + && GET_BLUEMASK(v) == 0x001f + && native_byte_order + && v->BitsPerPixel == 16) { + /* 5-6-5 RGB */ + return PIPE_FORMAT_R5G6B5_UNORM; + } + + assert(0); + return 0; +} + + + +/**********************************************************************/ +/***** Linked list of XMesaBuffers *****/ +/**********************************************************************/ + +XMesaBuffer XMesaBufferList = NULL; + + +/** + * Allocate a new XMesaBuffer object which corresponds to the given drawable. + * Note that XMesaBuffer is derived from GLframebuffer. + * The new XMesaBuffer will not have any size (Width=Height=0). + * + * \param d the corresponding X drawable (window or pixmap) + * \param type either WINDOW, PIXMAP or PBUFFER, describing d + * \param vis the buffer's visual + * \param cmap the window's colormap, if known. + * \return new XMesaBuffer or NULL if any problem + */ +static XMesaBuffer +create_xmesa_buffer(Drawable d, BufferType type, + XMesaVisual vis, Colormap cmap) +{ + XMesaBuffer b; + GLframebuffer *fb; + enum pipe_format colorFormat, depthFormat, stencilFormat; + uint width, height; + + ASSERT(type == WINDOW || type == PIXMAP || type == PBUFFER); + + b = (XMesaBuffer) CALLOC_STRUCT(xmesa_buffer); + if (!b) + return NULL; + + b->drawable = d; + + b->xm_visual = vis; + b->type = type; + b->cmap = cmap; + + /* determine PIPE_FORMATs for buffers */ + colorFormat = choose_pixel_format(vis); + + if (vis->mesa_visual.depthBits == 0) + depthFormat = PIPE_FORMAT_NONE; +#ifdef GALLIUM_CELL /* XXX temporary for Cell! */ + else + depthFormat = PIPE_FORMAT_S8Z24_UNORM; +#else + else if (vis->mesa_visual.depthBits <= 16) + depthFormat = PIPE_FORMAT_Z16_UNORM; + else if (vis->mesa_visual.depthBits <= 24) + depthFormat = PIPE_FORMAT_S8Z24_UNORM; + else + depthFormat = PIPE_FORMAT_Z32_UNORM; +#endif + + if (vis->mesa_visual.stencilBits == 8) { + if (depthFormat == PIPE_FORMAT_S8Z24_UNORM) + stencilFormat = depthFormat; + else + stencilFormat = PIPE_FORMAT_S8_UNORM; + } + else { + /* no stencil */ + stencilFormat = PIPE_FORMAT_NONE; + if (depthFormat == PIPE_FORMAT_S8Z24_UNORM) { + /* use 24-bit Z, undefined stencil channel */ + depthFormat = PIPE_FORMAT_X8Z24_UNORM; + } + } + + + get_drawable_size(vis->display, d, &width, &height); + + /* + * Create framebuffer, but we'll plug in our own renderbuffers below. + */ + b->stfb = st_create_framebuffer(&vis->mesa_visual, + colorFormat, depthFormat, stencilFormat, + width, height, + (void *) b); + fb = &b->stfb->Base; + + /* + * Create scratch XImage for xmesa_display_surface() + */ + b->tempImage = XCreateImage(vis->display, + vis->visinfo->visual, + vis->visinfo->depth, + ZPixmap, 0, /* format, offset */ + NULL, /* data */ + 0, 0, /* size */ + 32, /* bitmap_pad */ + 0); /* bytes_per_line */ + + /* GLX_EXT_texture_from_pixmap */ + b->TextureTarget = 0; + b->TextureFormat = GLX_TEXTURE_FORMAT_NONE_EXT; + b->TextureMipmap = 0; + + /* insert buffer into linked list */ + b->Next = XMesaBufferList; + XMesaBufferList = b; + + return b; +} + + +/** + * Find an XMesaBuffer by matching X display and colormap but NOT matching + * the notThis buffer. + */ +XMesaBuffer +xmesa_find_buffer(Display *dpy, Colormap cmap, XMesaBuffer notThis) +{ + XMesaBuffer b; + for (b = XMesaBufferList; b; b = b->Next) { + if (b->xm_visual->display == dpy && + b->cmap == cmap && + b != notThis) { + return b; + } + } + return NULL; +} + + +/** + * Remove buffer from linked list, delete if no longer referenced. + */ +static void +xmesa_free_buffer(XMesaBuffer buffer) +{ + XMesaBuffer prev = NULL, b; + + for (b = XMesaBufferList; b; b = b->Next) { + if (b == buffer) { + struct gl_framebuffer *fb = &buffer->stfb->Base; + + /* unlink buffer from list */ + if (prev) + prev->Next = buffer->Next; + else + XMesaBufferList = buffer->Next; + + /* mark as delete pending */ + fb->DeletePending = GL_TRUE; + + /* Since the X window for the XMesaBuffer is going away, we don't + * want to dereference this pointer in the future. + */ + b->drawable = 0; + + buffer->tempImage->data = NULL; + XDestroyImage(buffer->tempImage); + + /* Unreference. If count = zero we'll really delete the buffer */ + _mesa_unreference_framebuffer(&fb); + + XFreeGC(b->xm_visual->display, b->gc); + + free(buffer); + + return; + } + /* continue search */ + prev = b; + } + /* buffer not found in XMesaBufferList */ + _mesa_problem(NULL,"xmesa_free_buffer() - buffer not found\n"); +} + + + +/**********************************************************************/ +/***** Misc Private Functions *****/ +/**********************************************************************/ + + +/** + * When a context is bound for the first time, we can finally finish + * initializing the context's visual and buffer information. + * \param v the XMesaVisual to initialize + * \param b the XMesaBuffer to initialize (may be NULL) + * \param rgb_flag TRUE = RGBA mode, FALSE = color index mode + * \param window the window/pixmap we're rendering into + * \param cmap the colormap associated with the window/pixmap + * \return GL_TRUE=success, GL_FALSE=failure + */ +static GLboolean +initialize_visual_and_buffer(XMesaVisual v, XMesaBuffer b, + GLboolean rgb_flag, Drawable window, + Colormap cmap) +{ + ASSERT(!b || b->xm_visual == v); + + /* Save true bits/pixel */ + v->BitsPerPixel = bits_per_pixel(v); + assert(v->BitsPerPixel > 0); + + if (rgb_flag == GL_FALSE) { + /* COLOR-INDEXED WINDOW: not supported*/ + return GL_FALSE; + } + else { + /* RGB WINDOW: + * We support RGB rendering into almost any kind of visual. + */ + const int xclass = v->mesa_visual.visualType; + if (xclass != GLX_TRUE_COLOR && xclass == !GLX_DIRECT_COLOR) { + _mesa_warning(NULL, + "XMesa: RGB mode rendering not supported in given visual.\n"); + return GL_FALSE; + } + v->mesa_visual.indexBits = 0; + + if (v->BitsPerPixel == 32) { + /* We use XImages for all front/back buffers. If an X Window or + * X Pixmap is 32bpp, there's no guarantee that the alpha channel + * will be preserved. For XImages we're in luck. + */ + v->mesa_visual.alphaBits = 8; + } + } + + /* + * If MESA_INFO env var is set print out some debugging info + * which can help Brian figure out what's going on when a user + * reports bugs. + */ + if (_mesa_getenv("MESA_INFO")) { + _mesa_printf("X/Mesa visual = %p\n", (void *) v); + _mesa_printf("X/Mesa level = %d\n", v->mesa_visual.level); + _mesa_printf("X/Mesa depth = %d\n", v->visinfo->depth); + _mesa_printf("X/Mesa bits per pixel = %d\n", v->BitsPerPixel); + } + + if (b && window) { + /* these should have been set in create_xmesa_buffer */ + ASSERT(b->drawable == window); + + /* Setup for single/double buffering */ + if (v->mesa_visual.doubleBufferMode) { + /* Double buffered */ + b->shm = xmesa_check_for_xshm( v->display ); + } + + /* X11 graphics context */ + b->gc = XCreateGC( v->display, window, 0, NULL ); + XSetFunction( v->display, b->gc, GXcopy ); + } + + return GL_TRUE; +} + + + +#define NUM_VISUAL_TYPES 6 + +/** + * Convert an X visual type to a GLX visual type. + * + * \param visualType X visual type (i.e., \c TrueColor, \c StaticGray, etc.) + * to be converted. + * \return If \c visualType is a valid X visual type, a GLX visual type will + * be returned. Otherwise \c GLX_NONE will be returned. + * + * \note + * This code was lifted directly from lib/GL/glx/glcontextmodes.c in the + * DRI CVS tree. + */ +static GLint +xmesa_convert_from_x_visual_type( int visualType ) +{ + static const int glx_visual_types[ NUM_VISUAL_TYPES ] = { + GLX_STATIC_GRAY, GLX_GRAY_SCALE, + GLX_STATIC_COLOR, GLX_PSEUDO_COLOR, + GLX_TRUE_COLOR, GLX_DIRECT_COLOR + }; + + return ( (unsigned) visualType < NUM_VISUAL_TYPES ) + ? glx_visual_types[ visualType ] : GLX_NONE; +} + + +/**********************************************************************/ +/***** Public Functions *****/ +/**********************************************************************/ + + +/* + * Create a new X/Mesa visual. + * Input: display - X11 display + * visinfo - an XVisualInfo pointer + * rgb_flag - GL_TRUE = RGB mode, + * GL_FALSE = color index mode + * alpha_flag - alpha buffer requested? + * db_flag - GL_TRUE = double-buffered, + * GL_FALSE = single buffered + * stereo_flag - stereo visual? + * ximage_flag - GL_TRUE = use an XImage for back buffer, + * GL_FALSE = use an off-screen pixmap for back buffer + * depth_size - requested bits/depth values, or zero + * stencil_size - requested bits/stencil values, or zero + * accum_red_size - requested bits/red accum values, or zero + * accum_green_size - requested bits/green accum values, or zero + * accum_blue_size - requested bits/blue accum values, or zero + * accum_alpha_size - requested bits/alpha accum values, or zero + * num_samples - number of samples/pixel if multisampling, or zero + * level - visual level, usually 0 + * visualCaveat - ala the GLX extension, usually GLX_NONE + * Return; a new XMesaVisual or 0 if error. + */ +PUBLIC +XMesaVisual XMesaCreateVisual( Display *display, + XVisualInfo * visinfo, + GLboolean rgb_flag, + GLboolean alpha_flag, + GLboolean db_flag, + GLboolean stereo_flag, + GLboolean ximage_flag, + GLint depth_size, + GLint stencil_size, + GLint accum_red_size, + GLint accum_green_size, + GLint accum_blue_size, + GLint accum_alpha_size, + GLint num_samples, + GLint level, + GLint visualCaveat ) +{ + XMesaVisual v; + GLint red_bits, green_bits, blue_bits, alpha_bits; + + /* For debugging only */ + if (_mesa_getenv("MESA_XSYNC")) { + /* This makes debugging X easier. + * In your debugger, set a breakpoint on _XError to stop when an + * X protocol error is generated. + */ + XSynchronize( display, 1 ); + } + + v = (XMesaVisual) CALLOC_STRUCT(xmesa_visual); + if (!v) { + return NULL; + } + + v->display = display; + + /* Save a copy of the XVisualInfo struct because the user may X_mesa_free() + * the struct but we may need some of the information contained in it + * at a later time. + */ + v->visinfo = (XVisualInfo *) MALLOC(sizeof(*visinfo)); + if(!v->visinfo) { + _mesa_free(v); + return NULL; + } + MEMCPY(v->visinfo, visinfo, sizeof(*visinfo)); + + v->ximage_flag = ximage_flag; + + v->mesa_visual.redMask = visinfo->red_mask; + v->mesa_visual.greenMask = visinfo->green_mask; + v->mesa_visual.blueMask = visinfo->blue_mask; + v->mesa_visual.visualID = visinfo->visualid; + v->mesa_visual.screen = visinfo->screen; + +#if !(defined(__cplusplus) || defined(c_plusplus)) + v->mesa_visual.visualType = xmesa_convert_from_x_visual_type(visinfo->class); +#else + v->mesa_visual.visualType = xmesa_convert_from_x_visual_type(visinfo->c_class); +#endif + + v->mesa_visual.visualRating = visualCaveat; + + if (alpha_flag) + v->mesa_visual.alphaBits = 8; + + (void) initialize_visual_and_buffer( v, NULL, rgb_flag, 0, 0 ); + + { + const int xclass = v->mesa_visual.visualType; + if (xclass == GLX_TRUE_COLOR || xclass == GLX_DIRECT_COLOR) { + red_bits = _mesa_bitcount(GET_REDMASK(v)); + green_bits = _mesa_bitcount(GET_GREENMASK(v)); + blue_bits = _mesa_bitcount(GET_BLUEMASK(v)); + } + else { + /* this is an approximation */ + int depth; + depth = v->visinfo->depth; + red_bits = depth / 3; + depth -= red_bits; + green_bits = depth / 2; + depth -= green_bits; + blue_bits = depth; + alpha_bits = 0; + assert( red_bits + green_bits + blue_bits == v->visinfo->depth ); + } + alpha_bits = v->mesa_visual.alphaBits; + } + + _mesa_initialize_visual( &v->mesa_visual, + rgb_flag, db_flag, stereo_flag, + red_bits, green_bits, + blue_bits, alpha_bits, + v->mesa_visual.indexBits, + depth_size, + stencil_size, + accum_red_size, accum_green_size, + accum_blue_size, accum_alpha_size, + 0 ); + + /* XXX minor hack */ + v->mesa_visual.level = level; + return v; +} + + +PUBLIC +void XMesaDestroyVisual( XMesaVisual v ) +{ + _mesa_free(v->visinfo); + _mesa_free(v); +} + + + +/** + * Create a new XMesaContext. + * \param v the XMesaVisual + * \param share_list another XMesaContext with which to share display + * lists or NULL if no sharing is wanted. + * \return an XMesaContext or NULL if error. + */ +PUBLIC +XMesaContext XMesaCreateContext( XMesaVisual v, XMesaContext share_list ) +{ + static GLboolean firstTime = GL_TRUE; + struct pipe_winsys *winsys; + struct pipe_screen *screen; + struct pipe_context *pipe; + XMesaContext c; + GLcontext *mesaCtx; + uint pf; + + if (firstTime) { + pipe_mutex_init(_xmesa_lock); + firstTime = GL_FALSE; + } + + /* Note: the XMesaContext contains a Mesa GLcontext struct (inheritance) */ + c = (XMesaContext) CALLOC_STRUCT(xmesa_context); + if (!c) + return NULL; + + pf = choose_pixel_format(v); + assert(pf); + + c->xm_visual = v; + c->xm_buffer = NULL; /* set later by XMesaMakeCurrent */ + + /* XXX: create once per Xlib Display. + */ + winsys = xmesa_create_pipe_winsys(); + if (winsys == NULL) + goto fail; + + /* XXX: create once per Xlib Display. + */ + screen = xmesa_create_pipe_screen( winsys ); + if (screen == NULL) + goto fail; + + pipe = xmesa_create_pipe_context( screen, + (void *)c ); + if (pipe == NULL) + goto fail; + + c->st = st_create_context(pipe, + &v->mesa_visual, + share_list ? share_list->st : NULL); + if (c->st == NULL) + goto fail; + + mesaCtx = c->st->ctx; + c->st->ctx->DriverCtx = c; + +#if 00 + _mesa_enable_sw_extensions(mesaCtx); + _mesa_enable_1_3_extensions(mesaCtx); + _mesa_enable_1_4_extensions(mesaCtx); + _mesa_enable_1_5_extensions(mesaCtx); + _mesa_enable_2_0_extensions(mesaCtx); +#endif + + return c; + + fail: + if (c->st) + st_destroy_context(c->st); + else if (pipe) + pipe->destroy(pipe); + + if (screen) + screen->destroy( screen ); + + if (winsys) + winsys->destroy( winsys ); + + FREE(c); + return NULL; +} + + + +PUBLIC +void XMesaDestroyContext( XMesaContext c ) +{ + st_destroy_context(c->st); + + /* FIXME: We should destroy the screen here, but if we do so, surfaces may + * outlive it, causing segfaults + struct pipe_screen *screen = c->st->pipe->screen; + screen->destroy(screen); + */ + + _mesa_free(c); +} + + + +/** + * Private function for creating an XMesaBuffer which corresponds to an + * X window or pixmap. + * \param v the window's XMesaVisual + * \param w the window we're wrapping + * \return new XMesaBuffer or NULL if error + */ +PUBLIC XMesaBuffer +XMesaCreateWindowBuffer(XMesaVisual v, Window w) +{ + XWindowAttributes attr; + XMesaBuffer b; + Colormap cmap; + int depth; + + assert(v); + assert(w); + + /* Check that window depth matches visual depth */ + XGetWindowAttributes( v->display, w, &attr ); + depth = attr.depth; + if (v->visinfo->depth != depth) { + _mesa_warning(NULL, "XMesaCreateWindowBuffer: depth mismatch between visual (%d) and window (%d)!\n", + v->visinfo->depth, depth); + return NULL; + } + + /* Find colormap */ + if (attr.colormap) { + cmap = attr.colormap; + } + else { + _mesa_warning(NULL, "Window %u has no colormap!\n", (unsigned int) w); + /* this is weird, a window w/out a colormap!? */ + /* OK, let's just allocate a new one and hope for the best */ + cmap = XCreateColormap(v->display, w, attr.visual, AllocNone); + } + + b = create_xmesa_buffer((Drawable) w, WINDOW, v, cmap); + if (!b) + return NULL; + + if (!initialize_visual_and_buffer( v, b, v->mesa_visual.rgbMode, + (Drawable) w, cmap )) { + xmesa_free_buffer(b); + return NULL; + } + + return b; +} + + + +/** + * Create a new XMesaBuffer from an X pixmap. + * + * \param v the XMesaVisual + * \param p the pixmap + * \param cmap the colormap, may be 0 if using a \c GLX_TRUE_COLOR or + * \c GLX_DIRECT_COLOR visual for the pixmap + * \returns new XMesaBuffer or NULL if error + */ +PUBLIC XMesaBuffer +XMesaCreatePixmapBuffer(XMesaVisual v, Pixmap p, Colormap cmap) +{ + XMesaBuffer b; + + assert(v); + + b = create_xmesa_buffer((Drawable) p, PIXMAP, v, cmap); + if (!b) + return NULL; + + if (!initialize_visual_and_buffer(v, b, v->mesa_visual.rgbMode, + (Drawable) p, cmap)) { + xmesa_free_buffer(b); + return NULL; + } + + return b; +} + + +/** + * For GLX_EXT_texture_from_pixmap + */ +XMesaBuffer +XMesaCreatePixmapTextureBuffer(XMesaVisual v, Pixmap p, + Colormap cmap, + int format, int target, int mipmap) +{ + GET_CURRENT_CONTEXT(ctx); + XMesaBuffer b; + GLuint width, height; + + assert(v); + + b = create_xmesa_buffer((Drawable) p, PIXMAP, v, cmap); + if (!b) + return NULL; + + /* get pixmap size, update framebuffer/renderbuffer dims */ + xmesa_get_window_size(v->display, b, &width, &height); + _mesa_resize_framebuffer(NULL, &(b->stfb->Base), width, height); + + if (target == 0) { + /* examine dims */ + if (ctx->Extensions.ARB_texture_non_power_of_two) { + target = GLX_TEXTURE_2D_EXT; + } + else if ( _mesa_bitcount(width) == 1 + && _mesa_bitcount(height) == 1) { + /* power of two size */ + if (height == 1) { + target = GLX_TEXTURE_1D_EXT; + } + else { + target = GLX_TEXTURE_2D_EXT; + } + } + else if (ctx->Extensions.NV_texture_rectangle) { + target = GLX_TEXTURE_RECTANGLE_EXT; + } + else { + /* non power of two textures not supported */ + XMesaDestroyBuffer(b); + return 0; + } + } + + b->TextureTarget = target; + b->TextureFormat = format; + b->TextureMipmap = mipmap; + + if (!initialize_visual_and_buffer(v, b, v->mesa_visual.rgbMode, + (Drawable) p, cmap)) { + xmesa_free_buffer(b); + return NULL; + } + + return b; +} + + + +XMesaBuffer +XMesaCreatePBuffer(XMesaVisual v, Colormap cmap, + unsigned int width, unsigned int height) +{ + Window root; + Drawable drawable; /* X Pixmap Drawable */ + XMesaBuffer b; + + /* allocate pixmap for front buffer */ + root = RootWindow( v->display, v->visinfo->screen ); + drawable = XCreatePixmap(v->display, root, width, height, + v->visinfo->depth); + if (!drawable) + return NULL; + + b = create_xmesa_buffer(drawable, PBUFFER, v, cmap); + if (!b) + return NULL; + + if (!initialize_visual_and_buffer(v, b, v->mesa_visual.rgbMode, + drawable, cmap)) { + xmesa_free_buffer(b); + return NULL; + } + + return b; +} + + + +/* + * Deallocate an XMesaBuffer structure and all related info. + */ +PUBLIC void +XMesaDestroyBuffer(XMesaBuffer b) +{ + xmesa_free_buffer(b); +} + + +/** + * Query the current window size and update the corresponding GLframebuffer + * and all attached renderbuffers. + * Called when: + * 1. the first time a buffer is bound to a context. + * 2. SwapBuffers. XXX probabaly from xm_flush_frontbuffer() too... + * Note: it's possible (and legal) for xmctx to be NULL. That can happen + * when resizing a buffer when no rendering context is bound. + */ +void +xmesa_check_and_update_buffer_size(XMesaContext xmctx, XMesaBuffer drawBuffer) +{ + GLuint width, height; + xmesa_get_window_size(drawBuffer->xm_visual->display, drawBuffer, &width, &height); + st_resize_framebuffer(drawBuffer->stfb, width, height); +} + + + + +/* + * Bind buffer b to context c and make c the current rendering context. + */ +PUBLIC +GLboolean XMesaMakeCurrent2( XMesaContext c, XMesaBuffer drawBuffer, + XMesaBuffer readBuffer ) +{ + if (c) { + if (!drawBuffer || !readBuffer) + return GL_FALSE; /* must specify buffers! */ + +#if 0 + /* XXX restore this optimization */ + if (&(c->mesa) == _mesa_get_current_context() + && c->mesa.DrawBuffer == &drawBuffer->mesa_buffer + && c->mesa.ReadBuffer == &readBuffer->mesa_buffer + && xmesa_buffer(c->mesa.DrawBuffer)->wasCurrent) { + /* same context and buffer, do nothing */ + return GL_TRUE; + } +#endif + + c->xm_buffer = drawBuffer; + + /* Call this periodically to detect when the user has begun using + * GL rendering from multiple threads. + */ + _glapi_check_multithread(); + + st_make_current(c->st, drawBuffer->stfb, readBuffer->stfb); + + xmesa_check_and_update_buffer_size(c, drawBuffer); + if (readBuffer != drawBuffer) + xmesa_check_and_update_buffer_size(c, readBuffer); + + /* Solution to Stephane Rehel's problem with glXReleaseBuffersMESA(): */ + drawBuffer->wasCurrent = GL_TRUE; + } + else { + /* Detach */ + st_make_current( NULL, NULL, NULL ); + } + return GL_TRUE; +} + + +/* + * Unbind the context c from its buffer. + */ +GLboolean XMesaUnbindContext( XMesaContext c ) +{ + /* A no-op for XFree86 integration purposes */ + return GL_TRUE; +} + + +XMesaContext XMesaGetCurrentContext( void ) +{ + GET_CURRENT_CONTEXT(ctx); + if (ctx) { + XMesaContext xmesa = xmesa_context(ctx); + return xmesa; + } + else { + return 0; + } +} + + + + + + +/* + * Copy the back buffer to the front buffer. If there's no back buffer + * this is a no-op. + */ +PUBLIC +void XMesaSwapBuffers( XMesaBuffer b ) +{ + struct pipe_surface *surf; + + /* If we're swapping the buffer associated with the current context + * we have to flush any pending rendering commands first. + */ + st_notify_swapbuffers(b->stfb); + + surf = st_get_framebuffer_surface(b->stfb, ST_SURFACE_BACK_LEFT); + if (surf) { + xmesa_display_surface(b, surf); +// xmesa_display_surface(b, surf); + } + + xmesa_check_and_update_buffer_size(NULL, b); +} + + + +/* + * Copy sub-region of back buffer to front buffer + */ +void XMesaCopySubBuffer( XMesaBuffer b, int x, int y, int width, int height ) +{ + struct pipe_surface *surf_front + = st_get_framebuffer_surface(b->stfb, ST_SURFACE_FRONT_LEFT); + struct pipe_surface *surf_back + = st_get_framebuffer_surface(b->stfb, ST_SURFACE_BACK_LEFT); + struct pipe_context *pipe = NULL; /* XXX fix */ + + if (!surf_front || !surf_back) + return; + + pipe->surface_copy(pipe, + FALSE, + surf_front, x, y, /* dest */ + surf_back, x, y, /* src */ + width, height); +} + + + +void XMesaFlush( XMesaContext c ) +{ + if (c && c->xm_visual->display) { + st_finish(c->st); + XSync( c->xm_visual->display, False ); + } +} + + + + + +XMesaBuffer XMesaFindBuffer( Display *dpy, Drawable d ) +{ + XMesaBuffer b; + for (b=XMesaBufferList; b; b=b->Next) { + if (b->drawable == d && b->xm_visual->display == dpy) { + return b; + } + } + return NULL; +} + + +/** + * Free/destroy all XMesaBuffers associated with given display. + */ +void xmesa_destroy_buffers_on_display(Display *dpy) +{ + XMesaBuffer b, next; + for (b = XMesaBufferList; b; b = next) { + next = b->Next; + if (b->xm_visual->display == dpy) { + xmesa_free_buffer(b); + } + } +} + + +/* + * Look for XMesaBuffers whose X window has been destroyed. + * Deallocate any such XMesaBuffers. + */ +void XMesaGarbageCollect( void ) +{ + XMesaBuffer b, next; + for (b=XMesaBufferList; b; b=next) { + next = b->Next; + if (b->xm_visual && + b->xm_visual->display && + b->drawable && + b->type == WINDOW) { + XSync(b->xm_visual->display, False); + if (!window_exists( b->xm_visual->display, b->drawable )) { + /* found a dead window, free the ancillary info */ + XMesaDestroyBuffer( b ); + } + } + } +} + + + + +PUBLIC void +XMesaBindTexImage(Display *dpy, XMesaBuffer drawable, int buffer, + const int *attrib_list) +{ +} + + + +PUBLIC void +XMesaReleaseTexImage(Display *dpy, XMesaBuffer drawable, int buffer) +{ +} + diff --git a/src/gallium/state_trackers/glx/xlib/xm_api.h b/src/gallium/state_trackers/glx/xlib/xm_api.h new file mode 100644 index 00000000000..2b8302d1747 --- /dev/null +++ b/src/gallium/state_trackers/glx/xlib/xm_api.h @@ -0,0 +1,393 @@ +/* + * Mesa 3-D graphics library + * Version: 7.1 + * + * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + + +/* Sample Usage: + +In addition to the usual X calls to select a visual, create a colormap +and create a window, you must do the following to use the X/Mesa interface: + +1. Call XMesaCreateVisual() to make an XMesaVisual from an XVisualInfo. + +2. Call XMesaCreateContext() to create an X/Mesa rendering context, given + the XMesaVisual. + +3. Call XMesaCreateWindowBuffer() to create an XMesaBuffer from an X window + and XMesaVisual. + +4. Call XMesaMakeCurrent() to bind the XMesaBuffer to an XMesaContext and + to make the context the current one. + +5. Make gl* calls to render your graphics. + +6. Use XMesaSwapBuffers() when double buffering to swap front/back buffers. + +7. Before the X window is destroyed, call XMesaDestroyBuffer(). + +8. Before exiting, call XMesaDestroyVisual and XMesaDestroyContext. + +*/ + + + + +#ifndef XMESA_H +#define XMESA_H + + +#include "mtypes.h" +#include "state_tracker/st_context.h" +#include "state_tracker/st_public.h" +#include "pipe/p_thread.h" + + +# include <X11/Xlib.h> +# include <X11/Xlibint.h> +# include <X11/Xutil.h> +# ifdef USE_XSHM /* was SHM */ +# include <sys/ipc.h> +# include <sys/shm.h> +# include <X11/extensions/XShm.h> +# endif + +typedef struct xmesa_buffer *XMesaBuffer; +typedef struct xmesa_context *XMesaContext; +typedef struct xmesa_visual *XMesaVisual; + + + +/* + * Create a new X/Mesa visual. + * Input: display - X11 display + * visinfo - an XVisualInfo pointer + * rgb_flag - GL_TRUE = RGB mode, + * GL_FALSE = color index mode + * alpha_flag - alpha buffer requested? + * db_flag - GL_TRUE = double-buffered, + * GL_FALSE = single buffered + * stereo_flag - stereo visual? + * ximage_flag - GL_TRUE = use an XImage for back buffer, + * GL_FALSE = use an off-screen pixmap for back buffer + * depth_size - requested bits/depth values, or zero + * stencil_size - requested bits/stencil values, or zero + * accum_red_size - requested bits/red accum values, or zero + * accum_green_size - requested bits/green accum values, or zero + * accum_blue_size - requested bits/blue accum values, or zero + * accum_alpha_size - requested bits/alpha accum values, or zero + * num_samples - number of samples/pixel if multisampling, or zero + * level - visual level, usually 0 + * visualCaveat - ala the GLX extension, usually GLX_NONE_EXT + * Return; a new XMesaVisual or 0 if error. + */ +extern XMesaVisual XMesaCreateVisual( Display *display, + XVisualInfo * visinfo, + GLboolean rgb_flag, + GLboolean alpha_flag, + GLboolean db_flag, + GLboolean stereo_flag, + GLboolean ximage_flag, + GLint depth_size, + GLint stencil_size, + GLint accum_red_size, + GLint accum_green_size, + GLint accum_blue_size, + GLint accum_alpha_size, + GLint num_samples, + GLint level, + GLint visualCaveat ); + +/* + * Destroy an XMesaVisual, but not the associated XVisualInfo. + */ +extern void XMesaDestroyVisual( XMesaVisual v ); + + + +/* + * Create a new XMesaContext for rendering into an X11 window. + * + * Input: visual - an XMesaVisual + * share_list - another XMesaContext with which to share display + * lists or NULL if no sharing is wanted. + * Return: an XMesaContext or NULL if error. + */ +extern XMesaContext XMesaCreateContext( XMesaVisual v, + XMesaContext share_list ); + + +/* + * Destroy a rendering context as returned by XMesaCreateContext() + */ +extern void XMesaDestroyContext( XMesaContext c ); + + + +/* + * Create an XMesaBuffer from an X window. + */ +extern XMesaBuffer XMesaCreateWindowBuffer( XMesaVisual v, Window w ); + + +/* + * Create an XMesaBuffer from an X pixmap. + */ +extern XMesaBuffer XMesaCreatePixmapBuffer( XMesaVisual v, + Pixmap p, + Colormap cmap ); + + +/* + * Destroy an XMesaBuffer, but not the corresponding window or pixmap. + */ +extern void XMesaDestroyBuffer( XMesaBuffer b ); + + +/* + * Return the XMesaBuffer handle which corresponds to an X drawable, if any. + * + * New in Mesa 2.3. + */ +extern XMesaBuffer XMesaFindBuffer( Display *dpy, + Drawable d ); + + + +/* + * Bind two buffers (read and draw) to a context and make the + * context the current one. + * New in Mesa 3.3 + */ +extern GLboolean XMesaMakeCurrent2( XMesaContext c, + XMesaBuffer drawBuffer, + XMesaBuffer readBuffer ); + + +/* + * Unbind the current context from its buffer. + */ +extern GLboolean XMesaUnbindContext( XMesaContext c ); + + +/* + * Return a handle to the current context. + */ +extern XMesaContext XMesaGetCurrentContext( void ); + + +/* + * Swap the front and back buffers for the given buffer. No action is + * taken if the buffer is not double buffered. + */ +extern void XMesaSwapBuffers( XMesaBuffer b ); + + +/* + * Copy a sub-region of the back buffer to the front buffer. + * + * New in Mesa 2.6 + */ +extern void XMesaCopySubBuffer( XMesaBuffer b, + int x, + int y, + int width, + int height ); + + + + + +/* + * Flush/sync a context + */ +extern void XMesaFlush( XMesaContext c ); + + + +/* + * Scan for XMesaBuffers whose window/pixmap has been destroyed, then free + * any memory used by that buffer. + * + * New in Mesa 2.3. + */ +extern void XMesaGarbageCollect( void ); + + + +/* + * Create a pbuffer. + * New in Mesa 4.1 + */ +extern XMesaBuffer XMesaCreatePBuffer(XMesaVisual v, Colormap cmap, + unsigned int width, unsigned int height); + + + +/* + * Texture from Pixmap + * New in Mesa 7.1 + */ +extern void +XMesaBindTexImage(Display *dpy, XMesaBuffer drawable, int buffer, + const int *attrib_list); + +extern void +XMesaReleaseTexImage(Display *dpy, XMesaBuffer drawable, int buffer); + + +extern XMesaBuffer +XMesaCreatePixmapTextureBuffer(XMesaVisual v, Pixmap p, + Colormap cmap, + int format, int target, int mipmap); + + + + +/*********************************************************************** + */ + +extern pipe_mutex _xmesa_lock; + +extern struct xmesa_buffer *XMesaBufferList; + + +/** + * Visual inforation, derived from GLvisual. + * Basically corresponds to an XVisualInfo. + */ +struct xmesa_visual { + GLvisual mesa_visual; /* Device independent visual parameters */ + Display *display; /* The X11 display */ + XVisualInfo * visinfo; /* X's visual info (pointer to private copy) */ + XVisualInfo *vishandle; /* Only used in fakeglx.c */ + GLint BitsPerPixel; /* True bits per pixel for XImages */ + + GLboolean ximage_flag; /* Use XImage for back buffer (not pixmap)? */ +}; + + +/** + * Context info, derived from st_context. + * Basically corresponds to a GLXContext. + */ +struct xmesa_context { + struct st_context *st; + XMesaVisual xm_visual; /** pixel format info */ + XMesaBuffer xm_buffer; /** current drawbuffer */ +}; + + +/** + * Types of X/GLX drawables we might render into. + */ +typedef enum { + WINDOW, /* An X window */ + GLXWINDOW, /* GLX window */ + PIXMAP, /* GLX pixmap */ + PBUFFER /* GLX Pbuffer */ +} BufferType; + + +/** + * Framebuffer information, derived from. + * Basically corresponds to a GLXDrawable. + */ +struct xmesa_buffer { + struct st_framebuffer *stfb; + + GLboolean wasCurrent; /* was ever the current buffer? */ + XMesaVisual xm_visual; /* the X/Mesa visual */ + Drawable drawable; /* Usually the X window ID */ + Colormap cmap; /* the X colormap */ + BufferType type; /* window, pixmap, pbuffer or glxwindow */ + + XImage *tempImage; + unsigned long selectedEvents;/* for pbuffers only */ + + GLuint shm; /* X Shared Memory extension status: */ + /* 0 = not available */ + /* 1 = XImage support available */ + /* 2 = Pixmap support available too */ +#if defined(USE_XSHM) + XShmSegmentInfo shminfo; +#endif + + GC gc; /* scratch GC for span, line, tri drawing */ + + /* GLX_EXT_texture_from_pixmap */ + GLint TextureTarget; /** GLX_TEXTURE_1D_EXT, for example */ + GLint TextureFormat; /** GLX_TEXTURE_FORMAT_RGB_EXT, for example */ + GLint TextureMipmap; /** 0 or 1 */ + + struct xmesa_buffer *Next; /* Linked list pointer: */ +}; + + + +/** cast wrapper */ +static INLINE XMesaContext +xmesa_context(GLcontext *ctx) +{ + return (XMesaContext) ctx->DriverCtx; +} + + +/** cast wrapper */ +static INLINE XMesaBuffer +xmesa_buffer(GLframebuffer *fb) +{ + struct st_framebuffer *stfb = (struct st_framebuffer *) fb; + return (XMesaBuffer) st_framebuffer_private(stfb); +} + + +extern void +xmesa_delete_framebuffer(struct gl_framebuffer *fb); + +extern XMesaBuffer +xmesa_find_buffer(Display *dpy, Colormap cmap, XMesaBuffer notThis); + +extern void +xmesa_check_and_update_buffer_size(XMesaContext xmctx, XMesaBuffer drawBuffer); + +extern void +xmesa_destroy_buffers_on_display(Display *dpy); + +static INLINE GLuint +xmesa_buffer_width(XMesaBuffer b) +{ + return b->stfb->Base.Width; +} + +static INLINE GLuint +xmesa_buffer_height(XMesaBuffer b) +{ + return b->stfb->Base.Height; +} + +extern int +xmesa_check_for_xshm(Display *display); + + +#endif diff --git a/src/gallium/state_trackers/glx/xlib/xm_winsys.h b/src/gallium/state_trackers/glx/xlib/xm_winsys.h new file mode 100644 index 00000000000..b22d65a5699 --- /dev/null +++ b/src/gallium/state_trackers/glx/xlib/xm_winsys.h @@ -0,0 +1,57 @@ + +/************************************************************************** + * + * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef XM_WINSYS_H +#define XM_WINSYS_H + +struct pipe_context; +struct pipe_screen; +struct pipe_winsys; +struct pipe_surface; +struct xmesa_buffer; + + +/* Will turn this into a callback-style interface. For now, these + * have fixed names, and are implemented in the winsys/xlib directory. + */ +struct pipe_winsys *xmesa_create_pipe_winsys( void ); + +struct pipe_screen *xmesa_create_pipe_screen( struct pipe_winsys * ); + +/* The context_private argument needs to go away. Is currently used + * in a round-about way to associate a display-target surface with its + * Xlib window. + */ +struct pipe_context *xmesa_create_pipe_context( struct pipe_screen *, + void *context_private ); + +void xmesa_display_surface( struct xmesa_buffer *, + struct pipe_surface * ); + + +#endif |