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egl_dri2: Add wayland platform

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This commit is contained in:
Benjamin Franzke 2011-02-04 12:39:40 +01:00
parent 9630437fc9
commit 93aea84f47
4 changed files with 644 additions and 0 deletions
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7
src/egl/drivers/dri2/Makefile
View file

@ -24,4 +24,11 @@ ifeq ($(SHARED_GLAPI),1)
EGL_CFLAGS += -DHAVE_SHARED_GLAPI
endif
ifneq ($(findstring wayland, $(EGL_PLATFORMS)),)
EGL_SOURCES += platform_wayland.c
EGL_INCLUDES += -DHAVE_WAYLAND_PLATFORM $(WAYLAND_CFLAGS) \
-I$(TOP)/src/egl/wayland
EGL_LIBS += $(WAYLAND_LIBS)
endif
include ../Makefile.template

6
src/egl/drivers/dri2/egl_dri2.c
View file

@ -408,6 +408,12 @@ dri2_initialize(_EGLDriver *drv, _EGLDisplay *disp)
if (disp->Options.TestOnly)
return EGL_TRUE;
return dri2_initialize_drm(drv, disp);
#ifdef HAVE_WAYLAND_PLATFORM
case _EGL_PLATFORM_WAYLAND:
if (disp->Options.TestOnly)
return EGL_TRUE;
return dri2_initialize_wayland(drv, disp);
#endif
#endif
default:

43
src/egl/drivers/dri2/egl_dri2.h
View file

@ -33,6 +33,11 @@
#include <xcb/xfixes.h>
#include <X11/Xlib-xcb.h>
#ifdef HAVE_WAYLAND_PLATFORM
#include <wayland-client.h>
#include "wayland-egl-priv.h"
#endif
#include <GL/gl.h>
#include <GL/internal/dri_interface.h>
@ -76,6 +81,9 @@ struct dri2_egl_display
__DRIdri2LoaderExtension loader_extension;
const __DRIextension *extensions[3];
#ifdef HAVE_WAYLAND_PLATFORM
struct wl_egl_display *wl_dpy;
#endif
};
struct dri2_egl_context
@ -84,6 +92,22 @@ struct dri2_egl_context
__DRIcontext *dri_context;
};
#ifdef HAVE_WAYLAND_PLATFORM
enum wayland_buffer_type {
WL_BUFFER_FRONT,
WL_BUFFER_BACK,
WL_BUFFER_COUNT
};
#define __DRI_BUFFER_COUNT 10
#endif
enum dri2_surface_type {
DRI2_WINDOW_SURFACE,
DRI2_PIXMAP_SURFACE,
DRI2_PBUFFER_SURFACE
};
struct dri2_egl_surface
{
_EGLSurface base;
@ -94,8 +118,24 @@ struct dri2_egl_surface
xcb_xfixes_region_t region;
int have_fake_front;
int swap_interval;
enum dri2_surface_type type;
#ifdef HAVE_WAYLAND_PLATFORM
struct wl_egl_window *wl_win;
struct wl_egl_pixmap *wl_pix;
struct wl_buffer *wl_drm_buffer[WL_BUFFER_COUNT];
int dx;
int dy;
__DRIbuffer *dri_buffers[__DRI_BUFFER_COUNT];
EGLBoolean block_swap_buffers;
#endif
};
struct dri2_egl_buffer {
__DRIbuffer *dri_buffer;
struct dri2_egl_display *dri2_dpy;
};
struct dri2_egl_config
{
_EGLConfig base;
@ -136,6 +176,9 @@ dri2_initialize_x11(_EGLDriver *drv, _EGLDisplay *disp);
EGLBoolean
dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp);
EGLBoolean
dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp);
char *
dri2_get_driver_for_fd(int fd);

588
src/egl/drivers/dri2/platform_wayland.c Normal file
View file

@ -0,0 +1,588 @@
/*
* Copyright © 2011 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:
* Kristian Høgsberg <krh@bitplanet.net>
* Benjamin Franzke <benjaminfranzke@googlemail.com>
*/
#include <stdlib.h>
#include <string.h>
#include <limits.h>
#include <dlfcn.h>
#include <errno.h>
#include <unistd.h>
#include "egl_dri2.h"
/**
* Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface().
*/
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 dri2_egl_buffer *dri2_buf;
int i;
(void) drv;
dri2_surf = malloc(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;
for (i = 0; i < WL_BUFFER_COUNT; ++i)
dri2_surf->wl_drm_buffer[i] = NULL;
for (i = 0; i < __DRI_BUFFER_COUNT; ++i)
dri2_surf->dri_buffers[i] = NULL;
dri2_surf->block_swap_buffers = EGL_FALSE;
switch (type) {
case EGL_WINDOW_BIT:
dri2_surf->wl_win = (struct wl_egl_window *) window;
dri2_surf->type = DRI2_WINDOW_SURFACE;
dri2_surf->base.Width = -1;
dri2_surf->base.Height = -1;
break;
case EGL_PIXMAP_BIT:
dri2_surf->wl_pix = (struct wl_egl_pixmap *) window;
dri2_surf->type = DRI2_PIXMAP_SURFACE;
dri2_surf->base.Width = dri2_surf->wl_pix->width;
dri2_surf->base.Height = dri2_surf->wl_pix->height;
if (dri2_surf->wl_pix->name > 0) {
dri2_buf = dri2_surf->wl_pix->driver_private;
dri2_surf->dri_buffers[__DRI_BUFFER_FRONT_LEFT] = dri2_buf->dri_buffer;
}
break;
default:
goto cleanup_surf;
}
dri2_surf->dri_drawable =
(*dri2_dpy->dri2->createNewDrawable) (dri2_dpy->dri_screen,
dri2_conf->dri_config, dri2_surf);
if (dri2_surf->dri_drawable == NULL) {
_eglError(EGL_BAD_ALLOC, "dri2->createNewDrawable");
goto cleanup_dri_drawable;
}
return &dri2_surf->base;
cleanup_dri_drawable:
dri2_dpy->core->destroyDrawable(dri2_surf->dri_drawable);
cleanup_surf:
free(dri2_surf);
return NULL;
}
/**
* Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface().
*/
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 _EGLSurface *
dri2_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *disp,
_EGLConfig *conf, EGLNativePixmapType pixmap,
const EGLint *attrib_list)
{
return dri2_create_surface(drv, disp, EGL_PIXMAP_BIT, conf,
pixmap, attrib_list);
}
/**
* Called via eglDestroySurface(), drv->API.DestroySurface().
*/
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;
(void) drv;
if (!_eglPutSurface(surf))
return EGL_TRUE;
(*dri2_dpy->core->destroyDrawable)(dri2_surf->dri_drawable);
for (i = 0; i < WL_BUFFER_COUNT; ++i)
if (dri2_surf->wl_drm_buffer[i])
wl_buffer_destroy(dri2_surf->wl_drm_buffer[i]);
for (i = 0; i < __DRI_BUFFER_COUNT; ++i)
if (dri2_surf->dri_buffers[i] && !(i == __DRI_BUFFER_FRONT_LEFT &&
dri2_surf->type == DRI2_PIXMAP_SURFACE))
dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen,
dri2_surf->dri_buffers[i]);
free(surf);
return EGL_TRUE;
}
static void
dri2_wl_egl_pixmap_destroy(struct wl_egl_pixmap *egl_pixmap)
{
struct dri2_egl_buffer *dri2_buf = egl_pixmap->driver_private;
assert(dri2_buf);
dri2_buf->dri2_dpy->dri2->releaseBuffer(dri2_buf->dri2_dpy->dri_screen,
dri2_buf->dri_buffer);
free(dri2_buf);
egl_pixmap->driver_private = NULL;
egl_pixmap->destroy = NULL;
egl_pixmap->name = 0;
}
static void
dri2_process_front_buffer(struct dri2_egl_surface *dri2_surf, unsigned format)
{
struct dri2_egl_display *dri2_dpy =
dri2_egl_display(dri2_surf->base.Resource.Display);
struct dri2_egl_buffer *dri2_buf;
/* allocate a back buffer for our double-buffered window*/
switch (dri2_surf->type) {
case DRI2_WINDOW_SURFACE:
dri2_surf->dri_buffers[__DRI_BUFFER_BACK_LEFT] =
dri2_dpy->dri2->allocateBuffer(dri2_dpy->dri_screen,
__DRI_BUFFER_BACK_LEFT, format,
dri2_surf->base.Width, dri2_surf->base.Height);
break;
case DRI2_PIXMAP_SURFACE:
dri2_buf = malloc(sizeof *dri2_buf);
if (!dri2_buf)
return;
dri2_buf->dri_buffer = dri2_surf->dri_buffers[__DRI_BUFFER_FRONT_LEFT];
dri2_buf->dri2_dpy = dri2_dpy;
dri2_surf->wl_pix->name = dri2_buf->dri_buffer->name;
dri2_surf->wl_pix->stride = dri2_buf->dri_buffer->pitch;
dri2_surf->wl_pix->driver_private = dri2_buf;
dri2_surf->wl_pix->destroy = dri2_wl_egl_pixmap_destroy;
break;
default:
break;
}
}
static __DRIbuffer *
dri2_get_buffers_with_format(__DRIdrawable * driDrawable,
int *width, int *height,
unsigned int *attachments, int count,
int *out_count, void *loaderPrivate)
{
struct dri2_egl_surface *dri2_surf = loaderPrivate;
struct dri2_egl_display *dri2_dpy =
dri2_egl_display(dri2_surf->base.Resource.Display);
int i;
if (dri2_surf->type == DRI2_WINDOW_SURFACE &&
(dri2_surf->base.Width != dri2_surf->wl_win->width ||
dri2_surf->base.Height != dri2_surf->wl_win->height)) {
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]);
dri2_surf->dri_buffers[i] = NULL;
}
}
dri2_surf->base.Width = dri2_surf->wl_win->width;
dri2_surf->base.Height = dri2_surf->wl_win->height;
dri2_surf->dx = dri2_surf->wl_win->dx;
dri2_surf->dy = dri2_surf->wl_win->dy;
for (i = 0; i < WL_BUFFER_COUNT; ++i) {
if (dri2_surf->wl_drm_buffer[i])
wl_buffer_destroy(dri2_surf->wl_drm_buffer[i]);
dri2_surf->wl_drm_buffer[i] = NULL;
}
}
dri2_surf->buffer_count = 0;
for (i = 0; i < 2*count; i+=2) {
assert(attachments[i] < __DRI_BUFFER_COUNT);
assert(dri2_surf->buffer_count < 5);
if (dri2_surf->dri_buffers[attachments[i]] == NULL) {
dri2_surf->dri_buffers[attachments[i]] =
dri2_dpy->dri2->allocateBuffer(dri2_dpy->dri_screen,
attachments[i], attachments[i+1],
dri2_surf->base.Width, dri2_surf->base.Height);
if (!dri2_surf->dri_buffers[attachments[i]])
continue;
if (attachments[i] == __DRI_BUFFER_FRONT_LEFT)
dri2_process_front_buffer(dri2_surf, attachments[i+1]);
}
memcpy(&dri2_surf->buffers[dri2_surf->buffer_count],
dri2_surf->dri_buffers[attachments[i]],
sizeof(__DRIbuffer));
dri2_surf->buffer_count++;
}
assert(dri2_surf->type == DRI2_PIXMAP_SURFACE ||
dri2_surf->dri_buffers[__DRI_BUFFER_BACK_LEFT]);
*out_count = dri2_surf->buffer_count;
if (dri2_surf->buffer_count == 0)
return NULL;
*width = dri2_surf->base.Width;
*height = dri2_surf->base.Height;
return dri2_surf->buffers;
}
static __DRIbuffer *
dri2_get_buffers(__DRIdrawable * driDrawable,
int *width, int *height,
unsigned int *attachments, int count,
int *out_count, void *loaderPrivate)
{
unsigned int *attachments_with_format;
__DRIbuffer *buffer;
const unsigned int format = 32;
int i;
attachments_with_format = calloc(count * 2, sizeof(unsigned int));
if (!attachments_with_format) {
*out_count = 0;
return NULL;
}
for (i = 0; i < count; ++i) {
attachments_with_format[2*i] = attachments[i];
attachments_with_format[2*i + 1] = format;
}
buffer =
dri2_get_buffers_with_format(driDrawable,
width, height,
attachments_with_format, count,
out_count, loaderPrivate);
free(attachments_with_format);
return buffer;
}
static void
dri2_flush_front_buffer(__DRIdrawable * driDrawable, void *loaderPrivate)
{
(void) driDrawable;
/* FIXME: Does EGL support front buffer rendering at all? */
#if 0
struct dri2_egl_surface *dri2_surf = loaderPrivate;
dri2WaitGL(dri2_surf);
#else
(void) loaderPrivate;
#endif
}
static struct wl_buffer *
wayland_create_buffer(struct dri2_egl_surface *dri2_surf, __DRIbuffer *buffer)
{
struct dri2_egl_display *dri2_dpy =
dri2_egl_display(dri2_surf->base.Resource.Display);
return wl_drm_create_buffer(dri2_dpy->wl_dpy->drm, buffer->name,
dri2_surf->base.Width, dri2_surf->base.Height,
buffer->pitch, dri2_surf->wl_win->visual);
}
static void
wayland_frame_callback(void *data, uint32_t time)
{
struct dri2_egl_surface *dri2_surf = data;
dri2_surf->block_swap_buffers = EGL_FALSE;
}
static inline void
pointer_swap(const void **p1, const void **p2)
{
const void *tmp = *p1;
*p1 = *p2;
*p2 = tmp;
}
/**
* Called via eglSwapBuffers(), drv->API.SwapBuffers().
*/
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);
struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
while (dri2_surf->block_swap_buffers)
wl_display_iterate(dri2_dpy->wl_dpy->display, WL_DISPLAY_READABLE);
dri2_surf->block_swap_buffers = EGL_TRUE;
wl_display_frame_callback(dri2_dpy->wl_dpy->display,
wayland_frame_callback, dri2_surf);
if (dri2_surf->type == DRI2_WINDOW_SURFACE) {
pointer_swap(
(const void **) &dri2_surf->dri_buffers[__DRI_BUFFER_FRONT_LEFT],
(const void **) &dri2_surf->dri_buffers[__DRI_BUFFER_BACK_LEFT]);
dri2_surf->dri_buffers[__DRI_BUFFER_FRONT_LEFT]->attachment =
__DRI_BUFFER_FRONT_LEFT;
dri2_surf->dri_buffers[__DRI_BUFFER_BACK_LEFT]->attachment =
__DRI_BUFFER_BACK_LEFT;
pointer_swap((const void **) &dri2_surf->wl_drm_buffer[WL_BUFFER_FRONT],
(const void **) &dri2_surf->wl_drm_buffer[WL_BUFFER_BACK]);
if (!dri2_surf->wl_drm_buffer[WL_BUFFER_FRONT])
dri2_surf->wl_drm_buffer[WL_BUFFER_FRONT] =
wayland_create_buffer(dri2_surf,
dri2_surf->dri_buffers[__DRI_BUFFER_BACK_LEFT]);
wl_surface_attach(dri2_surf->wl_win->surface,
dri2_surf->wl_drm_buffer[WL_BUFFER_FRONT],
dri2_surf->dx, dri2_surf->dy);
dri2_surf->wl_win->attached_width = dri2_surf->base.Width;
dri2_surf->wl_win->attached_height = dri2_surf->base.Height;
/* reset resize growing parameters */
dri2_surf->dx = 0;
dri2_surf->dy = 0;
wl_surface_damage(dri2_surf->wl_win->surface, 0, 0,
dri2_surf->base.Width, dri2_surf->base.Height);
}
_EGLContext *ctx;
if (dri2_drv->glFlush) {
ctx = _eglGetCurrentContext();
if (ctx && ctx->DrawSurface == &dri2_surf->base)
dri2_drv->glFlush();
}
(*dri2_dpy->flush->flush)(dri2_surf->dri_drawable);
(*dri2_dpy->flush->invalidate)(dri2_surf->dri_drawable);
return EGL_TRUE;
}
/**
* Called via eglCreateImageKHR(), drv->API.CreateImageKHR().
*/
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 wl_egl_pixmap *wl_egl_pixmap = (struct wl_egl_pixmap *) buffer;
struct dri2_egl_buffer *dri2_buf;
EGLint wl_attr_list[] = {
EGL_WIDTH, 0,
EGL_HEIGHT, 0,
EGL_DRM_BUFFER_STRIDE_MESA, 0,
EGL_DRM_BUFFER_FORMAT_MESA, EGL_DRM_BUFFER_FORMAT_ARGB32_MESA,
EGL_NONE
};
dri2_buf = malloc(sizeof *dri2_buf);
if (!dri2_buf)
return NULL;
dri2_buf->dri2_dpy = dri2_dpy;
dri2_buf->dri_buffer =
dri2_dpy->dri2->allocateBuffer(dri2_dpy->dri_screen,
__DRI_BUFFER_FRONT_LEFT, 32,
wl_egl_pixmap->width,
wl_egl_pixmap->height);
wl_egl_pixmap->name = dri2_buf->dri_buffer->name;
wl_egl_pixmap->stride = dri2_buf->dri_buffer->pitch;
wl_egl_pixmap->destroy = dri2_wl_egl_pixmap_destroy;
wl_egl_pixmap->driver_private = dri2_buf;
wl_attr_list[1] = wl_egl_pixmap->width;
wl_attr_list[3] = wl_egl_pixmap->height;
wl_attr_list[5] = wl_egl_pixmap->stride / 4;
return dri2_create_image_khr(disp->Driver, disp, ctx, EGL_DRM_BUFFER_MESA,
(EGLClientBuffer)(intptr_t) wl_egl_pixmap->name, wl_attr_list);
}
static _EGLImage *
dri2_wayland_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);
}
}
/**
* Called via eglTerminate(), drv->API.Terminate().
*/
static EGLBoolean
dri2_terminate(_EGLDriver *drv, _EGLDisplay *disp)
{
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
_eglReleaseDisplayResources(drv, disp);
_eglCleanupDisplay(disp);
dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
close(dri2_dpy->fd);
dlclose(dri2_dpy->driver);
free(dri2_dpy->driver_name);
free(dri2_dpy);
disp->DriverData = NULL;
return EGL_TRUE;
}
EGLBoolean
dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp)
{
struct dri2_egl_display *dri2_dpy;
int i;
drv->API.CreateWindowSurface = dri2_create_window_surface;
drv->API.CreatePixmapSurface = dri2_create_pixmap_surface;
drv->API.DestroySurface = dri2_destroy_surface;
drv->API.SwapBuffers = dri2_swap_buffers;
drv->API.CreateImageKHR = dri2_wayland_create_image_khr;
drv->API.Terminate = dri2_terminate;
dri2_dpy = malloc(sizeof *dri2_dpy);
if (!dri2_dpy)
return _eglError(EGL_BAD_ALLOC, "eglInitialize");
disp->DriverData = (void *) dri2_dpy;
dri2_dpy->wl_dpy = disp->PlatformDisplay;
dri2_dpy->fd = dup(dri2_dpy->wl_dpy->fd);
if (dri2_dpy->fd < 0) {
_eglError(EGL_BAD_ALLOC, "DRI2: failed to dup fd");
goto cleanup_dpy;
}
wl_display_iterate(dri2_dpy->wl_dpy->display, WL_DISPLAY_WRITABLE);
while (!dri2_dpy->wl_dpy->authenticated)
wl_display_iterate(dri2_dpy->wl_dpy->display, WL_DISPLAY_READABLE);
dri2_dpy->driver_name = dri2_get_driver_for_fd(dri2_dpy->fd);
if (dri2_dpy->driver_name == NULL) {
_eglError(EGL_BAD_ALLOC, "DRI2: failed to get driver name");
goto cleanup_fd;
}
if (!dri2_load_driver(disp))
goto cleanup_driver_name;
dri2_dpy->loader_extension.base.name = __DRI_DRI2_LOADER;
dri2_dpy->loader_extension.base.version = 3;
dri2_dpy->loader_extension.getBuffers = dri2_get_buffers;
dri2_dpy->loader_extension.flushFrontBuffer = dri2_flush_front_buffer;
dri2_dpy->loader_extension.getBuffersWithFormat =
dri2_get_buffers_with_format;
dri2_dpy->extensions[0] = &dri2_dpy->loader_extension.base;
dri2_dpy->extensions[1] = &image_lookup_extension.base;
dri2_dpy->extensions[2] = NULL;
if (!dri2_create_screen(disp))
goto cleanup_driver;
for (i = 0; dri2_dpy->driver_configs[i]; i++)
dri2_add_config(disp, dri2_dpy->driver_configs[i], i + 1, 0,
EGL_WINDOW_BIT | EGL_PIXMAP_BIT);
disp->Extensions.MESA_drm_image = EGL_TRUE;
disp->Extensions.KHR_image_base = EGL_TRUE;
disp->Extensions.KHR_image_pixmap = EGL_TRUE;
disp->Extensions.KHR_gl_renderbuffer_image = EGL_TRUE;
disp->Extensions.KHR_gl_texture_2D_image = EGL_TRUE;
/* we're supporting EGL 1.4 */
disp->VersionMajor = 1;
disp->VersionMinor = 4;
return EGL_TRUE;
cleanup_driver:
dlclose(dri2_dpy->driver);
cleanup_driver_name:
free(dri2_dpy->driver_name);
cleanup_fd:
close(dri2_dpy->fd);
cleanup_dpy:
free(dri2_dpy);
return EGL_FALSE;
}