From: Ander Conselvan de Oliveira <ander.conselvan.de.olive...@intel.com>
This adds a GBM platform that works with native gbm backends, such as the intel backend. --- configure.ac | 7 +- src/egl/drivers/dri2/Makefile.am | 5 + src/egl/drivers/dri2/egl_dri2.c | 6 + src/egl/drivers/dri2/egl_dri2.h | 11 +- src/egl/drivers/dri2/platform_gbm.c | 486 ++++++++++++++++++++++++++++++++++++ src/egl/main/Makefile.am | 5 + src/egl/main/egldisplay.c | 3 +- src/egl/main/egldisplay.h | 1 + src/gbm/main/common_drm.h | 6 + src/gbm/main/gbmint.h | 2 + 10 files changed, 526 insertions(+), 6 deletions(-) create mode 100644 src/egl/drivers/dri2/platform_gbm.c diff --git a/configure.ac b/configure.ac index c5042f9..6a2aa07 100644 --- a/configure.ac +++ b/configure.ac @@ -1406,11 +1406,11 @@ for plat in $egl_platforms; do PKG_CHECK_MODULES([XCB_DRI2], [x11-xcb xcb-dri2 >= $XCBDRI2_REQUIRED xcb-xfixes]) ;; - drm) + drm|gbm) test "x$enable_gbm" = "xno" && - AC_MSG_ERROR([EGL platform drm needs gbm]) + AC_MSG_ERROR([EGL platform '$plat' needs gbm]) test "x$have_libdrm" != xyes && - AC_MSG_ERROR([EGL platform drm requires libdrm >= $LIBDRM_REQUIRED]) + AC_MSG_ERROR([EGL platform '$plat' requires libdrm >= $LIBDRM_REQUIRED]) ;; android|fbdev|gdi|null) @@ -1445,6 +1445,7 @@ AM_CONDITIONAL(HAVE_EGL_PLATFORM_WAYLAND, echo "$egl_platforms" | grep 'wayland' AM_CONDITIONAL(HAVE_EGL_PLATFORM_DRM, echo "$egl_platforms" | grep 'drm' >/dev/null 2>&1) AM_CONDITIONAL(HAVE_EGL_PLATFORM_FBDEV, echo "$egl_platforms" | grep 'fbdev' >/dev/null 2>&1) AM_CONDITIONAL(HAVE_EGL_PLATFORM_NULL, echo "$egl_platforms" | grep 'null' >/dev/null 2>&1) +AM_CONDITIONAL(HAVE_EGL_PLATFORM_GBM, echo "$egl_platforms" | grep 'gbm' >/dev/null 2>&1) AM_CONDITIONAL(HAVE_EGL_DRIVER_DRI2, test "x$HAVE_EGL_DRIVER_DRI2" != "x") diff --git a/src/egl/drivers/dri2/Makefile.am b/src/egl/drivers/dri2/Makefile.am index 0c1625a..5454fcc 100644 --- a/src/egl/drivers/dri2/Makefile.am +++ b/src/egl/drivers/dri2/Makefile.am @@ -62,3 +62,8 @@ if HAVE_EGL_PLATFORM_DRM libegl_dri2_la_SOURCES += platform_drm.c AM_CFLAGS += -DHAVE_DRM_PLATFORM endif + +if HAVE_EGL_PLATFORM_GBM +libegl_dri2_la_SOURCES += platform_gbm.c +AM_CFLAGS += -DHAVE_GBM_PLATFORM +endif diff --git a/src/egl/drivers/dri2/egl_dri2.c b/src/egl/drivers/dri2/egl_dri2.c index 2e8f01b..343a776 100644 --- a/src/egl/drivers/dri2/egl_dri2.c +++ b/src/egl/drivers/dri2/egl_dri2.c @@ -633,6 +633,12 @@ dri2_initialize(_EGLDriver *drv, _EGLDisplay *disp) return EGL_TRUE; return dri2_initialize_drm(drv, disp); #endif +#ifdef HAVE_GBM_PLATFORM + case _EGL_PLATFORM_GBM: + if (disp->Options.TestOnly) + return EGL_TRUE; + return dri2_initialize_gbm(drv, disp); +#endif #ifdef HAVE_WAYLAND_PLATFORM case _EGL_PLATFORM_WAYLAND: if (disp->Options.TestOnly) diff --git a/src/egl/drivers/dri2/egl_dri2.h b/src/egl/drivers/dri2/egl_dri2.h index 6030293..40fccf2 100644 --- a/src/egl/drivers/dri2/egl_dri2.h +++ b/src/egl/drivers/dri2/egl_dri2.h @@ -183,14 +183,18 @@ struct dri2_egl_surface struct gbm_dri_surface *gbm_dri_surf; #endif -#if defined(HAVE_WAYLAND_PLATFORM) || defined(HAVE_DRM_PLATFORM) +#ifdef HAVE_GBM_PLATFORM + struct gbm_surface *gbm_surf; +#endif + +#if defined(HAVE_WAYLAND_PLATFORM) || defined(HAVE_DRM_PLATFORM) || defined(HAVE_GBM_PLATFORM) __DRIbuffer *dri_buffers[__DRI_BUFFER_COUNT]; struct { #ifdef HAVE_WAYLAND_PLATFORM struct wl_buffer *wl_buffer; __DRIimage *dri_image; #endif -#ifdef HAVE_DRM_PLATFORM +#if defined(HAVE_DRM_PLATFORM) || defined(HAVE_GBM_PLATFORM) struct gbm_bo *bo; #endif int locked; @@ -267,6 +271,9 @@ EGLBoolean dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp); EGLBoolean +dri2_initialize_gbm(_EGLDriver *drv, _EGLDisplay *disp); + +EGLBoolean dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp); EGLBoolean diff --git a/src/egl/drivers/dri2/platform_gbm.c b/src/egl/drivers/dri2/platform_gbm.c new file mode 100644 index 0000000..1e3fbb5 --- /dev/null +++ b/src/egl/drivers/dri2/platform_gbm.c @@ -0,0 +1,486 @@ +/* + * Copyright © 2011-2013 Intel Corporation + * + * 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 (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 + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS 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. + * + * Authors: + * Ander Conselvan de Oliveira <ander.conselvan.de.olive...@intel.com> + * Kristian Høgsberg <k...@bitplanet.net> + */ + +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <xf86drm.h> +#include <dlfcn.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <unistd.h> + +#include "egl_dri2.h" +#include "loader.h" + +#include "gbmint.h" + +static struct gbm_bo * +lock_front_buffer(struct gbm_surface *surf) +{ + struct dri2_egl_surface *dri2_surf = surf->priv; + struct gbm_bo *bo; + + if (dri2_surf->current == NULL) { + _eglError(EGL_BAD_SURFACE, "no front buffer"); + return NULL; + } + + bo = dri2_surf->current->bo; + dri2_surf->current->locked = 1; + dri2_surf->current = NULL; + + return bo; +} + +static void +release_buffer(struct gbm_surface *surf, struct gbm_bo *bo) +{ + struct dri2_egl_surface *dri2_surf = surf->priv; + int i; + + for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) { + if (dri2_surf->color_buffers[i].bo == bo) { + dri2_surf->color_buffers[i].locked = 0; + } + } +} + +static int +has_free_buffers(struct gbm_surface *surf) +{ + struct dri2_egl_surface *dri2_surf = surf->priv; + int i; + + for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) + if (!dri2_surf->color_buffers[i].locked) + return 1; + + return 0; +} + +static _EGLSurface * +dri2_create_surface(_EGLDriver *drv, _EGLDisplay *disp, EGLint type, + _EGLConfig *conf, EGLNativeWindowType window, + const EGLint *attrib_list) +{ + struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); + struct dri2_egl_config *dri2_conf = dri2_egl_config(conf); + struct dri2_egl_surface *dri2_surf; + struct gbm_surface *surf; + + (void) drv; + + dri2_surf = calloc(1, sizeof *dri2_surf); + if (!dri2_surf) { + _eglError(EGL_BAD_ALLOC, "dri2_create_surface"); + return NULL; + } + + if (!_eglInitSurface(&dri2_surf->base, disp, type, conf, attrib_list)) + goto cleanup_surf; + + switch (type) { + case EGL_WINDOW_BIT: + if (!window) + return NULL; + surf = (struct gbm_surface *) window; + dri2_surf->gbm_surf = surf; + dri2_surf->base.Width = surf->width; + dri2_surf->base.Height = surf->height; + surf->priv = dri2_surf; + break; + default: + goto cleanup_surf; + } + + dri2_surf->dri_drawable = + (*dri2_dpy->dri2->createNewDrawable) (dri2_dpy->dri_screen, + dri2_conf->dri_double_config, + dri2_surf); + + if (dri2_surf->dri_drawable == NULL) { + _eglError(EGL_BAD_ALLOC, "dri2->createNewDrawable"); + goto cleanup_surf; + } + + return &dri2_surf->base; + + cleanup_surf: + free(dri2_surf); + + return NULL; +} + +static _EGLSurface * +dri2_create_window_surface(_EGLDriver *drv, _EGLDisplay *disp, + _EGLConfig *conf, EGLNativeWindowType window, + const EGLint *attrib_list) +{ + return dri2_create_surface(drv, disp, EGL_WINDOW_BIT, conf, + window, attrib_list); +} + +static EGLBoolean +dri2_destroy_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf) +{ + struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); + struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf); + int i; + + if (!_eglPutSurface(surf)) + return EGL_TRUE; + + (*dri2_dpy->core->destroyDrawable)(dri2_surf->dri_drawable); + + for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) { + if (dri2_surf->color_buffers[i].bo) + gbm_bo_destroy(dri2_surf->color_buffers[i].bo); + } + + for (i = 0; i < __DRI_BUFFER_COUNT; i++) { + if (dri2_surf->dri_buffers[i]) + dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen, + dri2_surf->dri_buffers[i]); + } + + free(surf); + + return EGL_TRUE; +} + +static int +get_back_bo(struct dri2_egl_surface *dri2_surf) +{ + struct gbm_surface *surf; + int i; + + if (dri2_surf->back == NULL) { + for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) { + if (!dri2_surf->color_buffers[i].locked) { + dri2_surf->back = &dri2_surf->color_buffers[i]; + break; + } + } + } + + surf = dri2_surf->gbm_surf; + + if (dri2_surf->back == NULL) + return -1; + if (dri2_surf->back->bo == NULL) + dri2_surf->back->bo = + gbm_bo_create(surf->gbm, surf->width, surf->height, + surf->format, surf->flags); + if (dri2_surf->back->bo == NULL) + return -1; + + return 0; +} + +static __DRIimage * +bo_to_dri_image(struct gbm_bo *bo, struct dri2_egl_display *dri2_dpy, + void *loaderPrivate); + +static int +image_get_buffers(__DRIdrawable *driDrawable, + unsigned int format, + uint32_t *stamp, + void *loaderPrivate, + uint32_t buffer_mask, + struct __DRIimageList *buffers) +{ + struct dri2_egl_surface *dri2_surf = loaderPrivate; + struct dri2_egl_display *dri2_dpy = + dri2_egl_display(dri2_surf->base.Resource.Display); + + if (get_back_bo(dri2_surf) < 0) + return 0; + + buffers->image_mask = __DRI_IMAGE_BUFFER_BACK; + buffers->back = bo_to_dri_image(dri2_surf->back->bo, dri2_dpy, NULL); + + return 1; +} + +static void +dri2_flush_front_buffer(__DRIdrawable * driDrawable, void *loaderPrivate) +{ + (void) driDrawable; + (void) loaderPrivate; +} + +static const __DRIimageLoaderExtension image_loader_extension = { + { __DRI_IMAGE_LOADER, 1 }, + image_get_buffers, + dri2_flush_front_buffer +}; + + +static EGLBoolean +dri2_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw) +{ + struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); + struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw); + int i; + + if (dri2_surf->base.Type == EGL_WINDOW_BIT) { + if (dri2_surf->current) + _eglError(EGL_BAD_SURFACE, "dri2_swap_buffers"); + for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) + if (dri2_surf->color_buffers[i].age > 0) + dri2_surf->color_buffers[i].age++; + dri2_surf->current = dri2_surf->back; + dri2_surf->current->age = 1; + dri2_surf->back = NULL; + } + + (*dri2_dpy->flush->flush)(dri2_surf->dri_drawable); + (*dri2_dpy->flush->invalidate)(dri2_surf->dri_drawable); + + return EGL_TRUE; +} + +static EGLint +dri2_query_buffer_age(_EGLDriver *drv, + _EGLDisplay *disp, _EGLSurface *surface) +{ + struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surface); + + if (get_back_bo(dri2_surf) < 0) { + _eglError(EGL_BAD_ALLOC, "dri2_query_buffer_age"); + return 0; + } + + return dri2_surf->back->age; +} + +static __DRIimage * +bo_to_dri_image(struct gbm_bo *bo, struct dri2_egl_display *dri2_dpy, + void *loaderPrivate) +{ + __DRIimage *image; + struct gbm_drm_bo *drm_bo; + int width, height, pitch, format, cpp; + + width = gbm_bo_get_width(bo); + height = gbm_bo_get_height(bo); + + switch (gbm_bo_get_format(bo)) { + case GBM_FORMAT_RGB565: + cpp = 2; + format = __DRI_IMAGE_FORMAT_RGB565; + break; + case GBM_FORMAT_XRGB8888: + case GBM_BO_FORMAT_XRGB8888: + cpp = 4; + format = __DRI_IMAGE_FORMAT_XRGB8888; + break; + case GBM_BO_FORMAT_ARGB8888: + case GBM_FORMAT_ARGB8888: + cpp = 4; + format = __DRI_IMAGE_FORMAT_ARGB8888; + break; + default: + return NULL; + } + + pitch = gbm_bo_get_stride(bo) / cpp; + + drm_bo = (struct gbm_drm_bo *) bo; + + image = + dri2_dpy->image->createImageFromHandle(dri2_dpy->dri_screen, + width, height, format, + drm_bo->bo, pitch, loaderPrivate); + + return image; +} + +static _EGLImage * +dri2_create_image_khr_pixmap(_EGLDisplay *disp, _EGLContext *ctx, + EGLClientBuffer buffer, const EGLint *attr_list) +{ + struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); + struct gbm_bo *bo = (struct gbm_bo *) buffer; + struct dri2_egl_image *dri2_img; + + dri2_img = malloc(sizeof *dri2_img); + if (!dri2_img) { + _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr_pixmap"); + return NULL; + } + + if (!_eglInitImage(&dri2_img->base, disp)) { + free(dri2_img); + return NULL; + } + + dri2_img->dri_image = bo_to_dri_image(bo, dri2_dpy, dri2_img); + if (dri2_img->dri_image == NULL) { + free(dri2_img); + _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr_pixmap"); + return NULL; + } + + return &dri2_img->base; +} + +static _EGLImage * +dri2_drm_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp, + _EGLContext *ctx, EGLenum target, + EGLClientBuffer buffer, const EGLint *attr_list) +{ + (void) drv; + + switch (target) { + case EGL_NATIVE_PIXMAP_KHR: + return dri2_create_image_khr_pixmap(disp, ctx, buffer, attr_list); + default: + return dri2_create_image_khr(drv, disp, ctx, target, buffer, attr_list); + } +} + +static int +dri2_drm_authenticate(_EGLDisplay *disp, uint32_t id) +{ + struct gbm_device *gbm = disp->PlatformDisplay; + int fd = gbm_device_get_fd(gbm); + + return drmAuthMagic(fd, id); +} + +EGLBoolean +dri2_initialize_gbm(_EGLDriver *drv, _EGLDisplay *disp) +{ + struct dri2_egl_display *dri2_dpy; + struct gbm_device *gbm; + struct gbm_drm_device *gbm_drm; + int fd = -1; + int i; + + loader_set_logger(_eglLog); + + dri2_dpy = calloc(1, sizeof *dri2_dpy); + if (!dri2_dpy) + return _eglError(EGL_BAD_ALLOC, "eglInitialize"); + + disp->DriverData = (void *) dri2_dpy; + + gbm = disp->PlatformDisplay; + if (gbm == NULL) { + fd = open("/dev/dri/card0", O_RDWR); + dri2_dpy->own_device = 1; + gbm = gbm_create_device(fd); + if (gbm == NULL) + return EGL_FALSE; + } + + if (fd < 0) { + fd = dup(gbm_device_get_fd(gbm)); + if (fd < 0) { + free(dri2_dpy); + return EGL_FALSE; + } + } + + dri2_dpy->fd = fd; + dri2_dpy->device_name = loader_get_device_name_for_fd(fd); + dri2_dpy->driver_name = loader_get_driver_for_fd(dri2_dpy->fd, 0); + + if (!dri2_load_driver(disp)) + goto clean_up_names; + + gbm_drm = gbm_drm_device(gbm); + if (gbm_drm->type != GBM_DRM_DRIVER_TYPE_NATIVE || + gbm_drm->bufmgr == NULL) + goto clean_up_dri_driver; + + dri2_dpy->shared_bufmgr_extension.base.name = __DRI_SHARED_BUFMGR; + dri2_dpy->shared_bufmgr_extension.base.version = 1; + dri2_dpy->shared_bufmgr_extension.bufmgr = gbm_drm->bufmgr; + + + dri2_dpy->extensions[0] = &image_loader_extension.base; + dri2_dpy->extensions[1] = &image_lookup_extension.base; + dri2_dpy->extensions[2] = &use_invalidate.base; + dri2_dpy->extensions[3] = &dri2_dpy->shared_bufmgr_extension.base; + dri2_dpy->extensions[4] = NULL; + + if (!dri2_create_screen(disp)) + goto clean_up_dri_driver; + + if (dri2_dpy->image->base.version < 9 || + dri2_dpy->image->createImageFromHandle == NULL) + goto clean_up_dri_screen; + + gbm->surface_lock_front_buffer = lock_front_buffer; + gbm->surface_release_buffer = release_buffer; + gbm->surface_has_free_buffers = has_free_buffers; + + for (i = 0; dri2_dpy->driver_configs[i]; i++) + dri2_add_config(disp, dri2_dpy->driver_configs[i], + i + 1, EGL_WINDOW_BIT, NULL, NULL); + + drv->API.CreateWindowSurface = dri2_create_window_surface; + drv->API.DestroySurface = dri2_destroy_surface; + drv->API.SwapBuffers = dri2_swap_buffers; + drv->API.CreateImageKHR = dri2_drm_create_image_khr; + drv->API.QueryBufferAge = dri2_query_buffer_age; + + disp->Extensions.EXT_buffer_age = EGL_TRUE; + +#ifdef HAVE_WAYLAND_PLATFORM + disp->Extensions.WL_bind_wayland_display = EGL_TRUE; +#endif + dri2_dpy->authenticate = dri2_drm_authenticate; + + /* we're supporting EGL 1.4 */ + disp->VersionMajor = 1; + disp->VersionMinor = 4; + + return EGL_TRUE; + +clean_up_dri_screen: + dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen); +clean_up_dri_driver: + dlclose(dri2_dpy->driver); +clean_up_names: + free(dri2_dpy->device_name); + free(dri2_dpy->driver_name); + + if (dri2_dpy->own_device) { + gbm_device_destroy(gbm); + close(fd); + } + + free(dri2_dpy); + + return EGL_FALSE; +} diff --git a/src/egl/main/Makefile.am b/src/egl/main/Makefile.am index 46e890a..448977e 100644 --- a/src/egl/main/Makefile.am +++ b/src/egl/main/Makefile.am @@ -94,6 +94,11 @@ AM_CFLAGS += -DHAVE_DRM_PLATFORM libEGL_la_LIBADD += ../../gbm/libgbm.la endif +if HAVE_EGL_PLATFORM_GBM +AM_CFLAGS += -DHAVE_GBM_PLATFORM +libEGL_la_LIBADD += ../../gbm/libgbm.la +endif + if HAVE_EGL_PLATFORM_FBDEV AM_CFLAGS += -DHAVE_FBDEV_PLATFORM endif diff --git a/src/egl/main/egldisplay.c b/src/egl/main/egldisplay.c index bed7663..ef3e71d 100644 --- a/src/egl/main/egldisplay.c +++ b/src/egl/main/egldisplay.c @@ -74,7 +74,8 @@ static const struct { { _EGL_PLATFORM_DRM, "drm" }, { _EGL_PLATFORM_FBDEV, "fbdev" }, { _EGL_PLATFORM_NULL, "null" }, - { _EGL_PLATFORM_ANDROID, "android" } + { _EGL_PLATFORM_ANDROID, "android" }, + { _EGL_PLATFORM_GBM, "gbm" } }; diff --git a/src/egl/main/egldisplay.h b/src/egl/main/egldisplay.h index 66aaff5..d58e2ca 100644 --- a/src/egl/main/egldisplay.h +++ b/src/egl/main/egldisplay.h @@ -46,6 +46,7 @@ enum _egl_platform_type { _EGL_PLATFORM_FBDEV, _EGL_PLATFORM_NULL, _EGL_PLATFORM_ANDROID, + _EGL_PLATFORM_GBM, _EGL_NUM_PLATFORMS, _EGL_INVALID_PLATFORM = -1 diff --git a/src/gbm/main/common_drm.h b/src/gbm/main/common_drm.h index c49a6f9..30d8ec2 100644 --- a/src/gbm/main/common_drm.h +++ b/src/gbm/main/common_drm.h @@ -52,4 +52,10 @@ struct gbm_drm_bo { void *bo; }; +static inline struct gbm_drm_device * +gbm_drm_device(struct gbm_device *gbm) +{ + return (struct gbm_drm_device *) gbm; +} + #endif diff --git a/src/gbm/main/gbmint.h b/src/gbm/main/gbmint.h index 4baf8e3..549fa3e 100644 --- a/src/gbm/main/gbmint.h +++ b/src/gbm/main/gbmint.h @@ -103,6 +103,8 @@ struct gbm_surface { uint32_t height; uint32_t format; uint32_t flags; + + void *priv; }; struct gbm_backend { -- 1.8.3.2 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev