diff options
Diffstat (limited to 'src/egl/drivers')
| -rw-r--r-- | src/egl/drivers/Makefile | 42 | ||||
| -rw-r--r-- | src/egl/drivers/demo/demo.c | 12 | ||||
| -rw-r--r-- | src/egl/drivers/dri/Makefile | 6 | ||||
| -rw-r--r-- | src/egl/drivers/dri/egldri.c | 98 | ||||
| -rw-r--r-- | src/egl/drivers/dri/egldri.h | 9 | ||||
| -rw-r--r-- | src/egl/drivers/xdri/Makefile | 67 | ||||
| -rw-r--r-- | src/egl/drivers/xdri/egl_xdri.c | 837 |
7 files changed, 1046 insertions, 25 deletions
diff --git a/src/egl/drivers/Makefile b/src/egl/drivers/Makefile new file mode 100644 index 00000000000..a2d67ca5a8a --- /dev/null +++ b/src/egl/drivers/Makefile @@ -0,0 +1,42 @@ +# src/egl/drivers/Makefile + +TOP = ../../.. +include $(TOP)/configs/current + + +SUBDIRS = demo dri xdri + + +default: conditional_subdirs + + +# depending on $DRIVER_DIRS... +conditional_subdirs: + @if [ "${DRIVER_DIRS}" = "dri" ] ; then \ + $(MAKE) dri_subdirs ; \ + fi + + +dri_subdirs: + @ (cd dri ; $(MAKE)) || exit 1 + @ (cd xdri ; $(MAKE)) || exit 1 + +demo_subdir: + @ (cd demo ; $(MAKE)) || exit 1 + + + +subdirs: + @for dir in $(SUBDIRS) ; do \ + if [ -d $$dir ] ; then \ + (cd $$dir ; $(MAKE)) || exit 1 ; \ + fi \ + done + + +clean: + @for dir in $(SUBDIRS) ; do \ + if [ -d $$dir ] ; then \ + (cd $$dir ; $(MAKE) clean) ; \ + fi \ + done diff --git a/src/egl/drivers/demo/demo.c b/src/egl/drivers/demo/demo.c index 45545755c00..6b8b71d16ba 100644 --- a/src/egl/drivers/demo/demo.c +++ b/src/egl/drivers/demo/demo.c @@ -21,7 +21,7 @@ typedef struct demo_driver { _EGLDriver Base; /* base class/object */ - GLuint DemoStuff; + unsigned DemoStuff; } DemoDriver; #define DEMO_DRIVER(D) ((DemoDriver *) (D)) @@ -33,7 +33,7 @@ typedef struct demo_driver typedef struct demo_surface { _EGLSurface Base; /* base class/object */ - GLuint DemoStuff; + unsigned DemoStuff; } DemoSurface; @@ -43,7 +43,7 @@ typedef struct demo_surface typedef struct demo_context { _EGLContext Base; /* base class/object */ - GLuint DemoStuff; + unsigned DemoStuff; } DemoContext; @@ -152,9 +152,9 @@ demoCreateContext(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, EGLContext /* generate handle and insert into hash table */ _eglSaveContext(&c->Base); - assert(c->Base.Handle); + assert(_eglGetContextHandle(&c->Base)); - return c->Base.Handle; + return _eglGetContextHandle(&c->Base); } @@ -286,7 +286,7 @@ demoMakeCurrent(_EGLDriver *drv, EGLDisplay dpy, EGLSurface draw, EGLSurface rea * plug in API functions. */ _EGLDriver * -_eglMain(_EGLDisplay *dpy) +_eglMain(_EGLDisplay *dpy, const char *args) { DemoDriver *demo; diff --git a/src/egl/drivers/dri/Makefile b/src/egl/drivers/dri/Makefile index fa3720a16ba..bdc683a0c16 100644 --- a/src/egl/drivers/dri/Makefile +++ b/src/egl/drivers/dri/Makefile @@ -29,6 +29,8 @@ SOURCES = egldri.c OBJECTS = $(SOURCES:.c=.o) +DRM_LIB = `pkg-config --libs libdrm` + .c.o: $(CC) -c $(INCLUDE_DIRS) $(CFLAGS) $< -o $@ @@ -43,7 +45,7 @@ library: $(TOP)/$(LIB_DIR)/libEGLdri.so $(TOP)/$(LIB_DIR)/libEGLdri.so: $(OBJECTS) $(TOP)/bin/mklib -o EGLdri -major 1 -minor 0 \ - -install $(TOP)/$(LIB_DIR) -ldl $(OBJECTS) + -install $(TOP)/$(LIB_DIR) -ldl $(OBJECTS) $(DRM_LIB) clean: @@ -55,7 +57,7 @@ depend: $(SOURCES) $(HEADERS) @ rm -f depend @ touch depend $(MKDEP) $(MKDEP_OPTIONS) $(DEFINES) $(INCLUDE_DIRS) \ - $(SOURCES) $(HEADERS) > /dev/null + $(SOURCES) $(HEADERS) >/dev/null 2>/dev/null include depend # DO NOT DELETE diff --git a/src/egl/drivers/dri/egldri.c b/src/egl/drivers/dri/egldri.c index cab0be2bd18..57661cc3ab8 100644 --- a/src/egl/drivers/dri/egldri.c +++ b/src/egl/drivers/dri/egldri.c @@ -1,5 +1,6 @@ /** - * Generic EGL driver for DRI. + * Generic EGL driver for DRI. This is basically an "adaptor" driver + * that allows libEGL to load/use regular DRI drivers. * * This file contains all the code needed to interface DRI-based drivers * with libEGL. @@ -23,6 +24,7 @@ #include "egldisplay.h" #include "eglcontext.h" #include "eglconfig.h" +#include "eglconfigutil.h" #include "eglsurface.h" #include "eglscreen.h" #include "eglglobals.h" @@ -32,18 +34,72 @@ #include "egldri.h" const char *sysfs = "/sys/class"; -#define None 0 + static const int empty_attribute_list[1] = { None }; + +/** + * Given a card number, return the name of the DRI driver to use. + * This generally means reading the contents of + * /sys/class/drm/cardX/dri_library_name, where X is the card number + */ +static EGLBoolean +driver_name_from_card_number(int card, char *driverName, int maxDriverName) +{ + char path[2000]; + FILE *f; + int length; + + snprintf(path, sizeof(path), "%s/drm/card%d/dri_library_name", sysfs, card); + + f = fopen(path, "r"); + if (!f) + return EGL_FALSE; + + fgets(driverName, maxDriverName, f); + fclose(f); + + if ((length = strlen(driverName)) > 1) { + /* remove the trailing newline from sysfs */ + driverName[length - 1] = '\0'; + strncat(driverName, "_dri", maxDriverName); + return EGL_TRUE; + } + else { + return EGL_FALSE; + } +} + + + /** * The bootstrap function. * Return a new driDriver object and plug in API functions. * This function, in turn, loads a specific DRI driver (ex: r200_dri.so). */ _EGLDriver * -_eglMain(_EGLDisplay *dpy) +_eglMain(_EGLDisplay *dpy, const char *args) { +#if 1 + const int card = args ? atoi(args) : 0; + _EGLDriver *driver = NULL; + char driverName[1000]; + + if (!driver_name_from_card_number(card, driverName, sizeof(driverName))) { + _eglLog(_EGL_WARNING, + "Unable to determine driver name for card %d\n", card); + return NULL; + } + + _eglLog(_EGL_DEBUG, "Driver name: %s\n", driverName); + + driver = _eglOpenDriver(dpy, driverName, args); + + return driver; + +#else + int length; char path[NAME_MAX]; struct dirent *dirent; @@ -58,14 +114,19 @@ _eglMain(_EGLDisplay *dpy) _eglLog(_EGL_WARNING, "%s DRM devices not found.", path); return EGL_FALSE; } + + /* loop over dir entries looking for cardX where "X" is in the + * dpy->DriverName ":X" string. + */ while ((dirent = readdir(dir))) { if (strncmp(&dirent->d_name[0], "card", 4) != 0) continue; - if (strcmp(&dirent->d_name[4], &dpy->Name[1]) != 0) + if (strcmp(&dirent->d_name[4], &driverName[1]) != 0) continue; - snprintf(path, sizeof(path), "%s/drm/card%s/dri_library_name", sysfs, &dpy->Name[1]); + snprintf(path, sizeof(path), "%s/drm/card%s/dri_library_name", + sysfs, &driverName[1]); _eglLog(_EGL_INFO, "Opening %s", path); #if 1 file = fopen(path, "r"); @@ -89,6 +150,7 @@ _eglMain(_EGLDisplay *dpy) closedir(dir); return driver; +#endif } @@ -141,7 +203,7 @@ _eglDRICreateContext(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, /* generate handle and insert into hash table */ _eglSaveContext(&c->Base); - return c->Base.Handle; + return _eglGetContextHandle(&c->Base); } @@ -152,13 +214,15 @@ _eglDRIMakeCurrent(_EGLDriver *drv, EGLDisplay dpy, EGLSurface draw, driDisplay *disp = Lookup_driDisplay(dpy); driContext *ctx = Lookup_driContext(context); EGLBoolean b; + __DRIid drawBuf = (__DRIid) draw; + __DRIid readBuf = (__DRIid) read; b = _eglMakeCurrent(drv, dpy, draw, read, context); if (!b) return EGL_FALSE; if (ctx) { - ctx->driContext.bindContext(disp, 0, read, draw, &ctx->driContext); + ctx->driContext.bindContext(disp, 0, drawBuf, readBuf, &ctx->driContext); } else { /* what's this??? */ @@ -190,7 +254,7 @@ _eglDRICreatePbufferSurface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, #if 0 GLcontext *ctx = NULL; /* this _should_ be OK */ #endif - GLvisual visMode; + __GLcontextModes visMode; _EGLConfig *conf = _eglLookupConfig(drv, dpy, config); assert(conf); /* bad config should be caught earlier */ _eglConfigToContextModesRec(conf, &visMode); @@ -267,7 +331,8 @@ _eglDRICreateScreenSurfaceMESA(_EGLDriver *drv, EGLDisplay dpy, EGLConfig cfg, _EGLConfig *config = _eglLookupConfig(drv, dpy, cfg); driDisplay *disp = Lookup_driDisplay(dpy); driSurface *surface; - GLvisual visMode; + __GLcontextModes visMode; + __DRIid drawBuf; surface = (driSurface *) calloc(1, sizeof(*surface)); if (!surface) { @@ -292,8 +357,10 @@ _eglDRICreateScreenSurfaceMESA(_EGLDriver *drv, EGLDisplay dpy, EGLConfig cfg, /* convert EGLConfig to GLvisual */ _eglConfigToContextModesRec(config, &visMode); + drawBuf = (__DRIid) _eglGetSurfaceHandle(&surface->Base); + /* Create a new DRI drawable */ - if (!disp->driScreen.createNewDrawable(disp, &visMode, surface->Base.Handle, + if (!disp->driScreen.createNewDrawable(disp, &visMode, drawBuf, &surface->drawable, GLX_WINDOW_BIT, empty_attribute_list)) { _eglRemoveSurface(&surface->Base); @@ -715,7 +782,7 @@ __eglGetDrawableInfo(__DRInativeDisplay * ndpy, int screen, __DRIid drawable, { __DRIscreen *pDRIScreen; __DRIscreenPrivate *psp; - driSurface *surf = Lookup_driSurface(drawable); + driSurface *surf = Lookup_driSurface((EGLSurface) drawable); pDRIScreen = __eglFindDRIScreen(ndpy, screen); @@ -1019,8 +1086,10 @@ _eglDRICreateDisplay(driDisplay *dpy, __DRIframebuffer *framebuffer) api_ver, & interface_methods, NULL); - if (!dpy->driScreen.private) + if (!dpy->driScreen.private) { + _eglLog(_EGL_WARNING, "egldri.c: DRI create new screen failed"); return EGL_FALSE; + } DRM_UNLOCK( dpy->drmFD, dpy->pSAREA, dpy->serverContext ); @@ -1080,6 +1149,7 @@ _eglDRIInitialize(_EGLDriver *drv, EGLDisplay dpy, { _EGLDisplay *disp = _eglLookupDisplay(dpy); driDisplay *display; + const char *driverName = (const char *) disp->NativeDisplay; assert(disp); @@ -1088,13 +1158,13 @@ _eglDRIInitialize(_EGLDriver *drv, EGLDisplay dpy, */ display = calloc(1, sizeof(*display)); display->Base = *disp; - _eglHashInsert(_eglGlobal.Displays, disp->Handle, display); + _eglSaveDisplay(&display->Base); free(disp); *major = 1; *minor = 0; - sscanf(&disp->Name[1], "%d", &display->minor); + sscanf(driverName + 1, "%d", &display->minor); drv->Initialized = EGL_TRUE; return EGL_TRUE; diff --git a/src/egl/drivers/dri/egldri.h b/src/egl/drivers/dri/egldri.h index 34b12d64fcd..54a9a4ea269 100644 --- a/src/egl/drivers/dri/egldri.h +++ b/src/egl/drivers/dri/egldri.h @@ -1,11 +1,14 @@ #ifndef EGLDRI_INCLUDED #define EGLDRI_INCLUDED +#include <stdlib.h> +#include <string.h> +#include <stdint.h> #include "egldisplay.h" #include "eglscreen.h" #include "eglsurface.h" #include "eglcontext.h" -#include "mtypes.h" + #include "dri_util.h" #include "drm_sarea.h" @@ -14,7 +17,7 @@ */ typedef struct dri_display { - _EGLDisplay Base; /* base class/object */ + _EGLDisplay Base; /**< base class */ void *pFB; int drmFD; /**< \brief DRM device file descriptor */ int minor; @@ -32,7 +35,7 @@ typedef struct dri_display unsigned long FBStart; /**< \brief physical address of the framebuffer */ void *driverClientMsg; int driverClientMsgSize; - int chipset; + unsigned chipset; void *driverPrivate; drm_magic_t magic; diff --git a/src/egl/drivers/xdri/Makefile b/src/egl/drivers/xdri/Makefile new file mode 100644 index 00000000000..477a75184ac --- /dev/null +++ b/src/egl/drivers/xdri/Makefile @@ -0,0 +1,67 @@ +# src/egl/drivers/xdri/Makefile + +# Build XEGL DRI driver loader library: egl_xdri.so + + +TOP = ../../../.. +include $(TOP)/configs/current + + +DRIVER_NAME = egl_xdri.so + + +INCLUDE_DIRS = \ + -I. \ + -I/usr/include \ + -I/usr/include/drm \ + -I$(TOP)/include \ + -I$(TOP)/include/GL/internal \ + -I$(TOP)/src/mesa/glapi \ + -I$(TOP)/src/mesa/drivers/dri/common \ + -I$(TOP)/src/egl/main \ + -I$(TOP)/src/glx/x11 + +SOURCES = egl_xdri.c + +OBJECTS = $(SOURCES:.c=.o) + +DRM_LIB = `pkg-config --libs libdrm` + + +.c.o: + $(CC) -c $(INCLUDE_DIRS) $(CFLAGS) $< -o $@ + + +.PHONY: library + + +default: depend library Makefile + + +library: $(TOP)/$(LIB_DIR)/$(DRIVER_NAME) + + +# Make the egl_xdri.so library +$(TOP)/$(LIB_DIR)/$(DRIVER_NAME): $(OBJECTS) + $(TOP)/bin/mklib -o $(DRIVER_NAME) \ + -noprefix \ + -major 1 -minor 0 \ + -install $(TOP)/$(LIB_DIR) \ + -ldl $(OBJECTS) $(DRM_LIB) + + +clean: + rm -f *.o + rm -f *.so + rm -f depend depend.bak + + +depend: $(SOURCES) $(HEADERS) + @ echo "running $(MKDEP)" + @ rm -f depend + @ touch depend + $(MKDEP) $(MKDEP_OPTIONS) $(DEFINES) $(INCLUDE_DIRS) \ + $(SOURCES) $(HEADERS) >/dev/null 2>/dev/null + +include depend +# DO NOT DELETE diff --git a/src/egl/drivers/xdri/egl_xdri.c b/src/egl/drivers/xdri/egl_xdri.c new file mode 100644 index 00000000000..df80c6a1c4e --- /dev/null +++ b/src/egl/drivers/xdri/egl_xdri.c @@ -0,0 +1,837 @@ +/************************************************************************** + * + * Copyright 2008 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. + * + **************************************************************************/ + + +/** + * Code to interface a DRI driver to libEGL. + * Note that unlike previous DRI/EGL interfaces, this one is meant to + * be used _with_ X. Applications will use eglCreateWindowSurface() + * to render into X-created windows. + * + * This is an EGL driver that, in turn, loads a regular DRI driver. + * There are some dependencies on code in libGL, but those coudl be + * removed with some effort. + * + * Authors: Brian Paul + */ + + +#include <assert.h> +#include <stdio.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include "dlfcn.h" +#include <X11/Xlib.h> +#include <GL/gl.h> +#include "xf86dri.h" +#include "glxclient.h" +#include "dri_util.h" +#include "drm_sarea.h" + +#define _EGL_PLATFORM_X + +#include "eglconfig.h" +#include "eglcontext.h" +#include "egldisplay.h" +#include "egldriver.h" +#include "eglglobals.h" +#include "eglhash.h" +#include "egllog.h" +#include "eglsurface.h" + + + +#define CALLOC_STRUCT(T) (struct T *) calloc(1, sizeof(struct T)) + + +/** subclass of _EGLDriver */ +struct xdri_egl_driver +{ + _EGLDriver Base; /**< base class */ + + const char *dri_driver_name; /**< name of DRI driver to load */ + void *dri_driver_handle; /**< returned by dlopen(dri_driver_name) */ + + int chipset; + int minor; + int drmFD; + + __DRIscreen driScreen; + __DRIframebuffer framebuffer; + drm_handle_t hSAREA; + drmAddress pSAREA; + char *busID; + drm_magic_t magic; +}; + + +/** subclass of _EGLContext */ +struct xdri_egl_context +{ + _EGLContext Base; /**< base class */ + + __DRIcontext driContext; +}; + + +/** subclass of _EGLSurface */ +struct xdri_egl_surface +{ + _EGLSurface Base; /**< base class */ + + __DRIid driDrawable; /**< DRI surface */ + drm_drawable_t hDrawable; +}; + + +/** subclass of _EGLConfig */ +struct xdri_egl_config +{ + _EGLConfig Base; /**< base class */ + + const __GLcontextModes *mode; /**< corresponding GLX mode */ +}; + + +/** cast wrapper */ +static struct xdri_egl_driver * +xdri_egl_driver(_EGLDriver *drv) +{ + return (struct xdri_egl_driver *) drv; +} + + +/** Map EGLSurface handle to xdri_egl_surface object */ +static struct xdri_egl_surface * +lookup_surface(EGLSurface surf) +{ + _EGLSurface *surface = _eglLookupSurface(surf); + return (struct xdri_egl_surface *) surface; +} + + +/** Map EGLContext handle to xdri_egl_context object */ +static struct xdri_egl_context * +lookup_context(EGLContext c) +{ + _EGLContext *context = _eglLookupContext(c); + return (struct xdri_egl_context *) context; +} + + +/** Map EGLConfig handle to xdri_egl_config object */ +static struct xdri_egl_config * +lookup_config(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config) +{ + _EGLConfig *conf = _eglLookupConfig(drv, dpy, config); + return (struct xdri_egl_config *) conf; +} + + + +/** + * Produce a set of EGL configs. + * Note that we get the list of GLcontextModes from the GLX library. + * This dependency on GLX lib will be removed someday. + */ +static void +create_configs(_EGLDisplay *disp) +{ + const __GLcontextModes *m; + __GLXdisplayPrivate *priv = __glXInitialize(disp->Xdpy); + __GLXscreenConfigs *scrn = priv->screenConfigs; + int id = 1; + + for (m = scrn->configs; m; m = m->next) { + /* EGL requires double-buffered configs */ + if (m->doubleBufferMode) { + struct xdri_egl_config *config = CALLOC_STRUCT(xdri_egl_config); + + _eglInitConfig(&config->Base, id++); + + SET_CONFIG_ATTRIB(&config->Base, EGL_BUFFER_SIZE, m->rgbBits); + SET_CONFIG_ATTRIB(&config->Base, EGL_RED_SIZE, m->redBits); + SET_CONFIG_ATTRIB(&config->Base, EGL_GREEN_SIZE, m->greenBits); + SET_CONFIG_ATTRIB(&config->Base, EGL_BLUE_SIZE, m->blueBits); + SET_CONFIG_ATTRIB(&config->Base, EGL_ALPHA_SIZE, m->alphaBits); + SET_CONFIG_ATTRIB(&config->Base, EGL_DEPTH_SIZE, m->depthBits); + SET_CONFIG_ATTRIB(&config->Base, EGL_STENCIL_SIZE, m->stencilBits); + SET_CONFIG_ATTRIB(&config->Base, EGL_NATIVE_VISUAL_ID, m->visualID); + SET_CONFIG_ATTRIB(&config->Base, EGL_NATIVE_VISUAL_TYPE, m->visualType); + /* XXX only window rendering allowed ATM */ + SET_CONFIG_ATTRIB(&config->Base, EGL_SURFACE_TYPE, EGL_WINDOW_BIT); + + /* XXX possibly other things to init... */ + + /* Ptr from EGL config to GLcontextMode. Used in CreateContext(). */ + config->mode = m; + + _eglAddConfig(disp, &config->Base); + } + } +} + + +/** + * Called via __DRIinterfaceMethods object + */ +static __DRIfuncPtr +dri_get_proc_address(const char * proc_name) +{ + return NULL; +} + + +static void +dri_context_modes_destroy(__GLcontextModes *modes) +{ + _eglLog(_EGL_DEBUG, "%s", __FUNCTION__); + + while (modes) { + __GLcontextModes * const next = modes->next; + free(modes); + modes = next; + } +} + + +/** + * Create a linked list of 'count' GLcontextModes. + * These are used during the client/server visual negotiation phase, + * then discarded. + */ +static __GLcontextModes * +dri_context_modes_create(unsigned count, size_t minimum_size) +{ + /* This code copied from libGLX, and modified */ + const size_t size = (minimum_size > sizeof(__GLcontextModes)) + ? minimum_size : sizeof(__GLcontextModes); + __GLcontextModes * head = NULL; + __GLcontextModes ** next; + unsigned i; + + next = & head; + for (i = 0 ; i < count ; i++) { + *next = (__GLcontextModes *) calloc(1, size); + if (*next == NULL) { + dri_context_modes_destroy(head); + head = NULL; + break; + } + + (*next)->doubleBufferMode = 1; + (*next)->visualID = GLX_DONT_CARE; + (*next)->visualType = GLX_DONT_CARE; + (*next)->visualRating = GLX_NONE; + (*next)->transparentPixel = GLX_NONE; + (*next)->transparentRed = GLX_DONT_CARE; + (*next)->transparentGreen = GLX_DONT_CARE; + (*next)->transparentBlue = GLX_DONT_CARE; + (*next)->transparentAlpha = GLX_DONT_CARE; + (*next)->transparentIndex = GLX_DONT_CARE; + (*next)->xRenderable = GLX_DONT_CARE; + (*next)->fbconfigID = GLX_DONT_CARE; + (*next)->swapMethod = GLX_SWAP_UNDEFINED_OML; + (*next)->bindToTextureRgb = GLX_DONT_CARE; + (*next)->bindToTextureRgba = GLX_DONT_CARE; + (*next)->bindToMipmapTexture = GLX_DONT_CARE; + (*next)->bindToTextureTargets = 0; + (*next)->yInverted = GLX_DONT_CARE; + + next = & ((*next)->next); + } + + return head; +} + + +static __DRIscreen * +dri_find_dri_screen(__DRInativeDisplay *ndpy, int scrn) +{ + /* unused? */ + return NULL; +} + + +static GLboolean +dri_window_exists(__DRInativeDisplay *dpy, __DRIid draw) +{ + return EGL_TRUE; +} + + +static GLboolean +dri_create_context(__DRInativeDisplay *dpy, int screenNum, int configID, + void * contextID, drm_context_t * hw_context) +{ + assert(configID >= 0); + return XF86DRICreateContextWithConfig(dpy, screenNum, + configID, contextID, hw_context); +} + + +static GLboolean +dri_destroy_context(__DRInativeDisplay * ndpy, int screen, __DRIid context) +{ + return XF86DRIDestroyContext(ndpy, screen, context); +} + + +static GLboolean +dri_create_drawable(__DRInativeDisplay * ndpy, int screen, + __DRIid drawable, drm_drawable_t * hHWDrawable) +{ + _eglLog(_EGL_DEBUG, "XDRI: %s", __FUNCTION__); + + /* Create DRI drawable for given window ID (drawable) */ + if (!XF86DRICreateDrawable(ndpy, screen, drawable, hHWDrawable)) + return EGL_FALSE; + + return EGL_TRUE; +} + + +static GLboolean +dri_destroy_drawable(__DRInativeDisplay * ndpy, int screen, __DRIid drawable) +{ + _eglLog(_EGL_DEBUG, "XDRI: %s", __FUNCTION__); + return XF86DRIDestroyDrawable(ndpy, screen, drawable); +} + + +static GLboolean +dri_get_drawable_info(__DRInativeDisplay *dpy, int scrn, + __DRIid draw, unsigned int * index, unsigned int * stamp, + int * x, int * y, int * width, int * height, + int * numClipRects, drm_clip_rect_t ** pClipRects, + int * backX, int * backY, + int * numBackClipRects, + drm_clip_rect_t ** pBackClipRects) +{ + _eglLog(_EGL_DEBUG, "XDRI: %s", __FUNCTION__); + + if (!XF86DRIGetDrawableInfo(dpy, scrn, draw, index, stamp, + x, y, width, height, + numClipRects, pClipRects, + backX, backY, + numBackClipRects, pBackClipRects)) { + return EGL_FALSE; + } + + return EGL_TRUE; +} + + +/** + * Table of functions exported by the loader to the driver. + */ +static const __DRIinterfaceMethods interface_methods = { + dri_get_proc_address, + + dri_context_modes_create, + dri_context_modes_destroy, + + dri_find_dri_screen, + dri_window_exists, + + dri_create_context, + dri_destroy_context, + + dri_create_drawable, + dri_destroy_drawable, + dri_get_drawable_info, + + NULL,/*__eglGetUST,*/ + NULL,/*__eglGetMSCRate,*/ +}; + + + +static EGLBoolean +init_drm(struct xdri_egl_driver *xdri_drv, _EGLDisplay *disp) +{ + static const char createNewScreenName[] = "__driCreateNewScreen_20050727"; + PFNCREATENEWSCREENFUNC createNewScreen; + int api_ver = 0;/*__glXGetInternalVersion();*/ + __DRIversion ddx_version; + __DRIversion dri_version; + __DRIversion drm_version; + drmVersionPtr version; + drm_handle_t hFB; + int newlyopened; + int status; + __GLcontextModes *modes; + int scrn = DefaultScreen(disp->Xdpy); + + createNewScreen = (PFNCREATENEWSCREENFUNC) + dlsym(xdri_drv->dri_driver_handle, createNewScreenName); + if (!createNewScreen) { + _eglLog(_EGL_WARNING, "XDRI: Couldn't find %s function in the driver.", + createNewScreenName); + return EGL_FALSE; + } + else { + _eglLog(_EGL_DEBUG, "XDRI: Found %s", createNewScreenName); + } + + /* + * Get the DRI X extension version. + */ + dri_version.major = 4; + dri_version.minor = 0; + dri_version.patch = 0; + + + if (!XF86DRIOpenConnection(disp->Xdpy, scrn, + &xdri_drv->hSAREA, &xdri_drv->busID)) { + _eglLog(_EGL_WARNING, "XF86DRIOpenConnection failed"); + } + + xdri_drv->drmFD = drmOpenOnce(NULL, xdri_drv->busID, &newlyopened); + if (xdri_drv->drmFD < 0) { + perror("drmOpenOnce failed: "); + return EGL_FALSE; + } + else { + _eglLog(_EGL_DEBUG, "XDRI: drmOpenOnce returned %d", xdri_drv->drmFD); + } + + + if (drmGetMagic(xdri_drv->drmFD, &xdri_drv->magic)) { + perror("drmGetMagic failed: "); + return EGL_FALSE; + } + + version = drmGetVersion(xdri_drv->drmFD); + if (version) { + drm_version.major = version->version_major; + drm_version.minor = version->version_minor; + drm_version.patch = version->version_patchlevel; + drmFreeVersion(version); + _eglLog(_EGL_DEBUG, "XDRI: Got DRM version %d.%d.%d", + drm_version.major, + drm_version.minor, + drm_version.patch); + } + else { + drm_version.major = -1; + drm_version.minor = -1; + drm_version.patch = -1; + _eglLog(_EGL_WARNING, "XDRI: drmGetVersion() failed"); + return EGL_FALSE; + } + + /* Authenticate w/ server. + */ + if (!XF86DRIAuthConnection(disp->Xdpy, scrn, xdri_drv->magic)) { + _eglLog(_EGL_WARNING, "XDRI: XF86DRIAuthConnection() failed"); + return EGL_FALSE; + } + else { + _eglLog(_EGL_DEBUG, "XDRI: XF86DRIAuthConnection() success"); + } + + /* Get ddx version. + */ + { + char *driverName; + + /* + * Get device name (like "tdfx") and the ddx version + * numbers. We'll check the version in each DRI driver's + * "createNewScreen" function. + */ + if (!XF86DRIGetClientDriverName(disp->Xdpy, scrn, + &ddx_version.major, + &ddx_version.minor, + &ddx_version.patch, + &driverName)) { + _eglLog(_EGL_WARNING, "XDRI: XF86DRIGetClientDriverName failed"); + return EGL_FALSE; + } + else { + _eglLog(_EGL_DEBUG, "XDRI: XF86DRIGetClientDriverName returned %s", driverName); + } + } + + /* Get framebuffer info. + */ + { + int junk; + if (!XF86DRIGetDeviceInfo(disp->Xdpy, scrn, + &hFB, + &junk, + &xdri_drv->framebuffer.size, + &xdri_drv->framebuffer.stride, + &xdri_drv->framebuffer.dev_priv_size, + &xdri_drv->framebuffer.dev_priv)) { + _eglLog(_EGL_WARNING, "XDRI: XF86DRIGetDeviceInfo() failed"); + return EGL_FALSE; + } + else { + _eglLog(_EGL_DEBUG, "XDRI: XF86DRIGetDeviceInfo() success"); + } + xdri_drv->framebuffer.width = DisplayWidth(disp->Xdpy, scrn); + xdri_drv->framebuffer.height = DisplayHeight(disp->Xdpy, scrn); + } + + /* Map the framebuffer region. (this may not be needed) + */ + status = drmMap(xdri_drv->drmFD, hFB, xdri_drv->framebuffer.size, + (drmAddressPtr) &xdri_drv->framebuffer.base); + if (status != 0) { + _eglLog(_EGL_WARNING, "XDRI: drmMap(framebuffer) failed"); + return EGL_FALSE; + } + else { + _eglLog(_EGL_DEBUG, "XDRI: drmMap(framebuffer) success"); + } + + /* Map the SAREA region. + */ + status = drmMap(xdri_drv->drmFD, xdri_drv->hSAREA, SAREA_MAX, &xdri_drv->pSAREA); + if (status != 0) { + _eglLog(_EGL_WARNING, "XDRI: drmMap(sarea) failed"); + return EGL_FALSE; + } + else { + _eglLog(_EGL_DEBUG, "XDRI: drmMap(sarea) success"); + } + + /* Create the DRI screen. + */ + xdri_drv->driScreen.private = createNewScreen(disp->Xdpy, + scrn, /* screen number */ + &xdri_drv->driScreen, + NULL, /* visuals */ + &ddx_version, + &dri_version, + &drm_version, + &xdri_drv->framebuffer, + xdri_drv->pSAREA, + xdri_drv->drmFD, + api_ver, + &interface_methods, + &modes); + if (!xdri_drv->driScreen.private) { + _eglLog(_EGL_WARNING, "XDRI: create new screen failed"); + return EGL_FALSE; + } + else { + _eglLog(_EGL_DEBUG, "XDRI: create new screen success"); + } + + create_configs(disp); + + /* print modes / debug */ + if (0) { + __GLcontextModes *m; + + for (m = modes; m; m = m->next) { + _eglLog(_EGL_DEBUG, + "mode ID 0x%x rgba %d %d %d %d z %d s %d db %d\n", m->visualID, + m->redBits, m->greenBits, m->blueBits, m->alphaBits, + m->depthBits, m->stencilBits, m->doubleBufferMode); + } + } + + return EGL_TRUE; +} + + +static EGLBoolean +load_dri_driver(struct xdri_egl_driver *xdri_drv) +{ + char filename[100]; + int flags = RTLD_NOW; + + snprintf(filename, sizeof(filename), "%s.so", xdri_drv->dri_driver_name); + _eglLog(_EGL_DEBUG, "XDRI: dlopen(%s)", filename); + + xdri_drv->dri_driver_handle = dlopen(filename, flags); + if (!xdri_drv->dri_driver_handle) { + _eglLog(_EGL_WARNING, "XDRI Could not open %s (%s)", + filename, dlerror()); + + return EGL_FALSE; + } + return EGL_TRUE; +} + + +/** + * Called via eglInitialize(), xdri_drv->API.Initialize(). + */ +static EGLBoolean +xdri_eglInitialize(_EGLDriver *drv, EGLDisplay dpy, + EGLint *minor, EGLint *major) +{ + struct xdri_egl_driver *xdri_drv = xdri_egl_driver(drv); + _EGLDisplay *disp = _eglLookupDisplay(dpy); + static char name[100]; + + _eglLog(_EGL_DEBUG, "XDRI: eglInitialize"); + + if (!disp->Xdpy) { + disp->Xdpy = XOpenDisplay(NULL); + if (!disp->Xdpy) { + _eglLog(_EGL_WARNING, "XDRI: XOpenDisplay failed"); + return EGL_FALSE; + } + } + + /* choose the DRI driver to load */ + xdri_drv->dri_driver_name = _eglChooseDRMDriver(0); + if (!load_dri_driver(xdri_drv)) + return EGL_FALSE; + + if (!init_drm(xdri_drv, disp)) + return EGL_FALSE; + + xdri_drv->Base.Initialized = EGL_TRUE; + + snprintf(name, sizeof(name), "X/DRI:%s", xdri_drv->dri_driver_name); + xdri_drv->Base.Name = name; + + /* we're supporting EGL 1.4 */ + *minor = 1; + *major = 4; + + return EGL_TRUE; +} + + +/** + * Called via eglTerminate(), drv->API.Terminate(). + */ +static EGLBoolean +xdri_eglTerminate(_EGLDriver *drv, EGLDisplay dpy) +{ + struct xdri_egl_driver *xdri_drv = xdri_egl_driver(drv); + + _eglLog(_EGL_DEBUG, "XDRI: eglTerminate"); + + _eglLog(_EGL_DEBUG, "XDRI: Closing %s", xdri_drv->dri_driver_name); + dlclose(xdri_drv->dri_driver_handle); + xdri_drv->dri_driver_handle = NULL; + + free((void*) xdri_drv->dri_driver_name); + + return EGL_TRUE; +} + + +/** + * Called via eglCreateContext(), drv->API.CreateContext(). + */ +static EGLContext +xdri_eglCreateContext(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, + EGLContext share_list, const EGLint *attrib_list) +{ + struct xdri_egl_driver *xdri_drv = xdri_egl_driver(drv); + _EGLDisplay *disp = _eglLookupDisplay(dpy); + struct xdri_egl_config *xdri_config = lookup_config(drv, dpy, config); + void *shared = NULL; + int renderType = GLX_RGBA_BIT; + + struct xdri_egl_context *xdri_ctx = CALLOC_STRUCT(xdri_egl_context); + if (!xdri_ctx) + return EGL_NO_CONTEXT; + + if (!_eglInitContext(drv, dpy, &xdri_ctx->Base, config, attrib_list)) { + free(xdri_ctx); + return EGL_NO_CONTEXT; + } + + assert(xdri_config); + + xdri_ctx->driContext.private = + xdri_drv->driScreen.createNewContext(disp->Xdpy, + xdri_config->mode, renderType, + shared, &xdri_ctx->driContext); + if (!xdri_ctx->driContext.private) { + _eglLog(_EGL_DEBUG, "driScreen.createNewContext failed"); + free(xdri_ctx); + return EGL_NO_CONTEXT; + } + + xdri_ctx->driContext.mode = xdri_config->mode; + + return _eglGetContextHandle(&xdri_ctx->Base); +} + + +/** + * Called via eglMakeCurrent(), drv->API.MakeCurrent(). + */ +static EGLBoolean +xdri_eglMakeCurrent(_EGLDriver *drv, EGLDisplay dpy, EGLSurface d, + EGLSurface r, EGLContext context) +{ + _EGLDisplay *disp = _eglLookupDisplay(dpy); + struct xdri_egl_context *xdri_ctx = lookup_context(context); + struct xdri_egl_surface *xdri_draw = lookup_surface(d); + struct xdri_egl_surface *xdri_read = lookup_surface(r); + __DRIid draw = xdri_draw->driDrawable; + __DRIid read = xdri_read->driDrawable; + int scrn = DefaultScreen(disp->Xdpy); + + if (!_eglMakeCurrent(drv, dpy, d, r, context)) + return EGL_FALSE; + + + if (!xdri_ctx->driContext.bindContext(disp->Xdpy, scrn, draw, read, + &xdri_ctx->driContext)) { + return EGL_FALSE; + } + + return EGL_TRUE; +} + + +/** + * Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface(). + */ +static EGLSurface +xdri_eglCreateWindowSurface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, + NativeWindowType window, const EGLint *attrib_list) +{ + _EGLDisplay *disp = _eglLookupDisplay(dpy); + struct xdri_egl_surface *xdri_surf; + int scrn = DefaultScreen(disp->Xdpy); + + xdri_surf = CALLOC_STRUCT(xdri_egl_surface); + if (!xdri_surf) + return EGL_NO_SURFACE; + + if (!_eglInitSurface(drv, dpy, &xdri_surf->Base, EGL_WINDOW_BIT, + config, attrib_list)) { + free(xdri_surf); + return EGL_FALSE; + } + + if (!XF86DRICreateDrawable(disp->Xdpy, scrn, window, &xdri_surf->hDrawable)) { + free(xdri_surf); + return EGL_FALSE; + } + + xdri_surf->driDrawable = window; + + _eglSaveSurface(&xdri_surf->Base); + + _eglLog(_EGL_DEBUG, + "XDRI: CreateWindowSurface win 0x%x handle %d hDrawable %d", + (int) window, _eglGetSurfaceHandle(&xdri_surf->Base), + (int) xdri_surf->hDrawable); + + return _eglGetSurfaceHandle(&xdri_surf->Base); +} + + +static EGLBoolean +xdri_eglDestroySurface(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface) +{ + struct xdri_egl_surface *xdri_surf = lookup_surface(surface); + if (xdri_surf) { + _eglHashRemove(_eglGlobal.Surfaces, (EGLuint) surface); + if (xdri_surf->Base.IsBound) { + xdri_surf->Base.DeletePending = EGL_TRUE; + } + else { + /* + st_unreference_framebuffer(&surf->Framebuffer); + */ + free(xdri_surf); + } + return EGL_TRUE; + } + else { + _eglError(EGL_BAD_SURFACE, "eglDestroySurface"); + return EGL_FALSE; + } +} + + +static EGLBoolean +xdri_eglSwapBuffers(_EGLDriver *drv, EGLDisplay dpy, EGLSurface draw) +{ + _EGLDisplay *disp = _eglLookupDisplay(dpy); + + _eglLog(_EGL_DEBUG, "XDRI: EGL SwapBuffers"); + + /* error checking step: */ + if (!_eglSwapBuffers(drv, dpy, draw)) + return EGL_FALSE; + + { + struct xdri_egl_surface *xdri_surf = lookup_surface(draw); + __GLXdisplayPrivate *priv = __glXInitialize(disp->Xdpy); + __GLXscreenConfigs *scrn = priv->screenConfigs; + __DRIscreen *psc = &scrn->driScreen; + __DRIdrawable * const pdraw = psc->getDrawable(disp->Xdpy, + xdri_surf->driDrawable, + psc->private); + + if (pdraw) + pdraw->swapBuffers(disp->Xdpy, pdraw->private); + else + _eglLog(_EGL_WARNING, "pdraw is null in SwapBuffers"); + } + + return EGL_TRUE; +} + + +/** + * This is the main entrypoint into the driver, called by libEGL. + * Create a new _EGLDriver object and init its dispatch table. + */ +_EGLDriver * +_eglMain(_EGLDisplay *disp, const char *args) +{ + struct xdri_egl_driver *xdri_drv = CALLOC_STRUCT(xdri_egl_driver); + if (!xdri_drv) + return NULL; + + _eglInitDriverFallbacks(&xdri_drv->Base); + xdri_drv->Base.API.Initialize = xdri_eglInitialize; + xdri_drv->Base.API.Terminate = xdri_eglTerminate; + + xdri_drv->Base.API.CreateContext = xdri_eglCreateContext; + xdri_drv->Base.API.MakeCurrent = xdri_eglMakeCurrent; + xdri_drv->Base.API.CreateWindowSurface = xdri_eglCreateWindowSurface; + xdri_drv->Base.API.DestroySurface = xdri_eglDestroySurface; + xdri_drv->Base.API.SwapBuffers = xdri_eglSwapBuffers; + + xdri_drv->Base.ClientAPIsMask = EGL_OPENGL_BIT /*| EGL_OPENGL_ES_BIT*/; + xdri_drv->Base.Name = "X/DRI"; + + _eglLog(_EGL_DEBUG, "XDRI: main(%s)", args); + + return &xdri_drv->Base; +} |