diff options
author | Younes Manton <[email protected]> | 2010-04-30 20:42:30 -0400 |
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committer | Younes Manton <[email protected]> | 2010-04-30 20:42:30 -0400 |
commit | a8ea1dacc63ac567498049e5756c247b9fec6cd9 (patch) | |
tree | 4031e2e2b6166bd926b43fa4bbb3aab773a30ee5 /src/gallium/targets/libgl-xlib/xlib.c | |
parent | 404fb63b4649f58fce443615e49337d42b8ddece (diff) | |
parent | 35d960cc744c374ccaad48c3d80559b59c74e28a (diff) |
Merge branch 'master' of ssh://git.freedesktop.org/git/mesa/mesa into pipe-video
Conflicts:
src/gallium/auxiliary/Makefile
src/gallium/auxiliary/SConscript
src/gallium/auxiliary/util/u_format.csv
src/gallium/auxiliary/vl/vl_compositor.c
src/gallium/auxiliary/vl/vl_compositor.h
src/gallium/auxiliary/vl/vl_mpeg12_mc_renderer.c
src/gallium/auxiliary/vl/vl_mpeg12_mc_renderer.h
src/gallium/drivers/identity/id_objects.c
src/gallium/drivers/identity/id_objects.h
src/gallium/drivers/identity/id_screen.c
src/gallium/drivers/nv40/Makefile
src/gallium/drivers/nv40/nv40_screen.c
src/gallium/drivers/softpipe/sp_texture.c
src/gallium/drivers/softpipe/sp_texture.h
src/gallium/drivers/softpipe/sp_video_context.c
src/gallium/drivers/softpipe/sp_video_context.h
src/gallium/include/pipe/p_format.h
src/gallium/include/pipe/p_screen.h
src/gallium/include/pipe/p_video_context.h
src/gallium/include/pipe/p_video_state.h
src/gallium/include/state_tracker/dri1_api.h
src/gallium/include/state_tracker/drm_api.h
src/gallium/state_trackers/dri/common/dri_context.c
src/gallium/state_trackers/xorg/xvmc/attributes.c
src/gallium/state_trackers/xorg/xvmc/block.c
src/gallium/state_trackers/xorg/xvmc/context.c
src/gallium/state_trackers/xorg/xvmc/subpicture.c
src/gallium/state_trackers/xorg/xvmc/surface.c
src/gallium/state_trackers/xorg/xvmc/tests/.gitignore
src/gallium/state_trackers/xorg/xvmc/tests/Makefile
src/gallium/state_trackers/xorg/xvmc/xvmc_private.h
src/gallium/winsys/drm/radeon/core/radeon_drm.c
src/gallium/winsys/g3dvl/vl_winsys.h
src/gallium/winsys/g3dvl/xlib/xsp_winsys.c
src/gallium/winsys/sw/Makefile
Diffstat (limited to 'src/gallium/targets/libgl-xlib/xlib.c')
-rw-r--r-- | src/gallium/targets/libgl-xlib/xlib.c | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/src/gallium/targets/libgl-xlib/xlib.c b/src/gallium/targets/libgl-xlib/xlib.c new file mode 100644 index 00000000000..69b4ddd33f7 --- /dev/null +++ b/src/gallium/targets/libgl-xlib/xlib.c @@ -0,0 +1,211 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Bismarck, ND., USA + * 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 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 + * THE COPYRIGHT HOLDERS, AUTHORS 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. + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * + **************************************************************************/ + +/* + * Authors: + * Keith Whitwell + */ +#include "pipe/p_compiler.h" +#include "util/u_debug.h" +#include "target-helpers/wrap_screen.h" +#include "state_tracker/xlib_sw_winsys.h" +#include "xm_public.h" + +#include "state_tracker/st_gl_api.h" + +/* piggy back on this libGL for OpenGL support in EGL */ +struct st_api * +st_api_create_OpenGL() +{ + return st_gl_api_create(); +} + + +/* Helper function to choose and instantiate one of the software rasterizers: + * cell, llvmpipe, softpipe. + * + * This function could be shared, but currently causes headaches for + * the build systems, particularly scons if we try. Long term, want + * to avoid having global #defines for things like GALLIUM_LLVMPIPE, + * GALLIUM_CELL, etc. Scons already eliminates those #defines, so + * things that are painful for it now are likely to be painful for + * other build systems in the future. + * + * Copies (full or partial): + * targets/libgl-xlib + * targets/graw-xlib + * targets/dri-swrast + * winsys/sw/drm + * drivers/sw + * + */ + +#ifdef GALLIUM_SOFTPIPE +#include "softpipe/sp_public.h" +#endif + +#ifdef GALLIUM_LLVMPIPE +#include "llvmpipe/lp_public.h" +#endif + +#ifdef GALLIUM_CELL +#include "cell/ppu/cell_public.h" +#endif + +static struct pipe_screen * +swrast_create_screen(struct sw_winsys *winsys) +{ + const char *default_driver; + const char *driver; + struct pipe_screen *screen = NULL; + +#if defined(GALLIUM_CELL) + default_driver = "cell"; +#elif defined(GALLIUM_LLVMPIPE) + default_driver = "llvmpipe"; +#elif defined(GALLIUM_SOFTPIPE) + default_driver = "softpipe"; +#else + default_driver = ""; +#endif + + driver = debug_get_option("GALLIUM_DRIVER", default_driver); + +#if defined(GALLIUM_CELL) + if (screen == NULL && strcmp(driver, "cell") == 0) + screen = cell_create_screen( winsys ); +#endif + +#if defined(GALLIUM_LLVMPIPE) + if (screen == NULL && strcmp(driver, "llvmpipe") == 0) + screen = llvmpipe_create_screen( winsys ); +#endif + +#if defined(GALLIUM_SOFTPIPE) + if (screen == NULL) + screen = softpipe_create_screen( winsys ); +#endif + + return screen; +} + +/* Helper function to build a subset of a driver stack consisting of + * one of the software rasterizers (cell, llvmpipe, softpipe) and the + * xlib winsys. + */ +static struct pipe_screen * +swrast_xlib_create_screen( Display *display ) +{ + struct sw_winsys *winsys; + struct pipe_screen *screen = NULL; + + /* Create the underlying winsys, which performs presents to Xlib + * drawables: + */ + winsys = xlib_create_sw_winsys( display ); + if (winsys == NULL) + return NULL; + + /* Create a software rasterizer on top of that winsys: + */ + screen = swrast_create_screen( winsys ); + if (screen == NULL) + goto fail; + + /* Inject any wrapping layers we want to here: + */ + return gallium_wrap_screen( screen ); + +fail: + if (winsys) + winsys->destroy( winsys ); + + return NULL; +} + +static struct xm_driver xlib_driver = +{ + .create_pipe_screen = swrast_xlib_create_screen, + .create_st_api = st_gl_api_create, +}; + + +/* Build the rendering stack. + */ +static void _init( void ) __attribute__((constructor)); +static void _init( void ) +{ + /* Initialize the xlib libgl code, pass in the winsys: + */ + xmesa_set_driver( &xlib_driver ); +} + + +/*********************************************************************** + * + * Butt-ugly hack to convince the linker not to throw away public GL + * symbols (they are all referenced from getprocaddress, I guess). + */ +extern void (*linker_foo(const unsigned char *procName))(); +extern void (*glXGetProcAddress(const unsigned char *procName))(); + +extern void (*linker_foo(const unsigned char *procName))() +{ + return glXGetProcAddress(procName); +} + + +/** + * When GLX_INDIRECT_RENDERING is defined, some symbols are missing in + * libglapi.a. We need to define them here. + */ +#ifdef GLX_INDIRECT_RENDERING + +#define GL_GLEXT_PROTOTYPES +#include "GL/gl.h" +#include "glapi/glapi.h" +#include "glapi/glapitable.h" +#include "glapi/glapidispatch.h" + +#if defined(USE_MGL_NAMESPACE) +#define NAME(func) mgl##func +#else +#define NAME(func) gl##func +#endif + +#define DISPATCH(FUNC, ARGS, MESSAGE) \ + CALL_ ## FUNC(GET_DISPATCH(), ARGS); + +#define RETURN_DISPATCH(FUNC, ARGS, MESSAGE) \ + return CALL_ ## FUNC(GET_DISPATCH(), ARGS); + +/* skip normal ones */ +#define _GLAPI_SKIP_NORMAL_ENTRY_POINTS +#include "glapi/glapitemp.h" + +#endif /* GLX_INDIRECT_RENDERING */ |