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xserver-multidpi/glamor/glamor.c

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/*
* Copyright © 2008 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:
* Eric Anholt <eric@anholt.net>
* Zhigang Gong <zhigang.gong@linux.intel.com>
*
*/
/** @file glamor.c
* This file covers the initialization and teardown of glamor, and has various
* functions not responsible for performing rendering.
*/
#include <stdlib.h>
#include "glamor_priv.h"
static DevPrivateKeyRec glamor_screen_private_key_index;
DevPrivateKey glamor_screen_private_key = &glamor_screen_private_key_index;
static DevPrivateKeyRec glamor_pixmap_private_key_index;
DevPrivateKey glamor_pixmap_private_key = &glamor_pixmap_private_key_index;
/**
* glamor_get_drawable_pixmap() returns a backing pixmap for a given drawable.
*
* @param drawable the drawable being requested.
*
* This function returns the backing pixmap for a drawable, whether it is a
* redirected window, unredirected window, or already a pixmap. Note that
* coordinate translation is needed when drawing to the backing pixmap of a
* redirected window, and the translation coordinates are provided by calling
* exaGetOffscreenPixmap() on the drawable.
*/
PixmapPtr
glamor_get_drawable_pixmap(DrawablePtr drawable)
{
if (drawable->type == DRAWABLE_WINDOW)
return drawable->pScreen->GetWindowPixmap((WindowPtr) drawable);
else
return (PixmapPtr) drawable;
}
_X_EXPORT void
glamor_set_pixmap_type(PixmapPtr pixmap, glamor_pixmap_type_t type)
{
glamor_pixmap_private *pixmap_priv;
glamor_screen_private *glamor_priv =
glamor_get_screen_private(pixmap->drawable.pScreen);
pixmap_priv = dixLookupPrivate(&pixmap->devPrivates,
glamor_pixmap_private_key);
if (pixmap_priv == NULL) {
pixmap_priv = calloc(sizeof(*pixmap_priv), 1);
glamor_set_pixmap_private(pixmap, pixmap_priv);
pixmap_priv->base.pixmap = pixmap;
pixmap_priv->base.glamor_priv = glamor_priv;
}
pixmap_priv->type = type;
pixmap_priv->base.box.x1 = 0;
pixmap_priv->base.box.x2 = pixmap->drawable.width;
pixmap_priv->base.box.y1 = 0;
pixmap_priv->base.box.y2 = pixmap->drawable.height;
}
_X_EXPORT void
glamor_set_pixmap_texture(PixmapPtr pixmap, unsigned int tex)
{
ScreenPtr screen = pixmap->drawable.pScreen;
glamor_pixmap_private *pixmap_priv;
glamor_screen_private *glamor_priv;
glamor_pixmap_fbo *fbo;
GLenum format;
glamor_priv = glamor_get_screen_private(screen);
pixmap_priv = glamor_get_pixmap_private(pixmap);
if (pixmap_priv->base.fbo) {
fbo = glamor_pixmap_detach_fbo(pixmap_priv);
glamor_destroy_fbo(fbo);
}
format = gl_iformat_for_pixmap(pixmap);
fbo = glamor_create_fbo_from_tex(glamor_priv, pixmap->drawable.width,
pixmap->drawable.height, format, tex, 0);
if (fbo == NULL) {
ErrorF("XXX fail to create fbo.\n");
return;
}
glamor_pixmap_attach_fbo(pixmap, fbo);
}
void
glamor_set_screen_pixmap(PixmapPtr screen_pixmap, PixmapPtr *back_pixmap)
{
glamor_pixmap_private *pixmap_priv;
glamor_screen_private *glamor_priv;
glamor_priv = glamor_get_screen_private(screen_pixmap->drawable.pScreen);
pixmap_priv = glamor_get_pixmap_private(screen_pixmap);
glamor_priv->screen_fbo = pixmap_priv->base.fbo->fb;
pixmap_priv->base.fbo->width = screen_pixmap->drawable.width;
pixmap_priv->base.fbo->height = screen_pixmap->drawable.height;
glamor_priv->back_pixmap = back_pixmap;
}
uint32_t
glamor_get_pixmap_texture(PixmapPtr pixmap)
{
glamor_pixmap_private *pixmap_priv = glamor_get_pixmap_private(pixmap);
if (pixmap_priv->type != GLAMOR_TEXTURE_ONLY)
return 0;
return pixmap_priv->base.fbo->tex;
}
PixmapPtr
glamor_create_pixmap(ScreenPtr screen, int w, int h, int depth,
unsigned int usage)
{
PixmapPtr pixmap;
glamor_pixmap_type_t type = GLAMOR_TEXTURE_ONLY;
glamor_pixmap_private *pixmap_priv;
glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
glamor_pixmap_fbo *fbo;
int pitch;
GLenum format;
if (w > 32767 || h > 32767)
return NullPixmap;
if ((usage == GLAMOR_CREATE_PIXMAP_CPU
|| (usage == CREATE_PIXMAP_USAGE_GLYPH_PICTURE && w <= 64 && h <= 64)
|| (w == 0 && h == 0)
|| !glamor_check_pixmap_fbo_depth(depth))
|| (!GLAMOR_TEXTURED_LARGE_PIXMAP &&
!glamor_check_fbo_size(glamor_priv, w, h)))
return fbCreatePixmap(screen, w, h, depth, usage);
else
pixmap = fbCreatePixmap(screen, 0, 0, depth, usage);
pixmap_priv = calloc(1, sizeof(*pixmap_priv));
if (!pixmap_priv) {
fbDestroyPixmap(pixmap);
return fbCreatePixmap(screen, w, h, depth, usage);
}
glamor_set_pixmap_private(pixmap, pixmap_priv);
if (usage == GLAMOR_CREATE_PIXMAP_MAP)
type = GLAMOR_MEMORY_MAP;
pixmap_priv->base.pixmap = pixmap;
pixmap_priv->base.glamor_priv = glamor_priv;
format = gl_iformat_for_pixmap(pixmap);
pitch = (((w * pixmap->drawable.bitsPerPixel + 7) / 8) + 3) & ~3;
screen->ModifyPixmapHeader(pixmap, w, h, 0, 0, pitch, NULL);
if (usage == GLAMOR_CREATE_PIXMAP_NO_TEXTURE) {
pixmap_priv->type = GLAMOR_TEXTURE_ONLY;
pixmap_priv->base.box.x1 = 0;
pixmap_priv->base.box.y1 = 0;
pixmap_priv->base.box.x2 = w;
pixmap_priv->base.box.y2 = h;
return pixmap;
}
else if (type == GLAMOR_MEMORY_MAP || usage == GLAMOR_CREATE_NO_LARGE ||
glamor_check_fbo_size(glamor_priv, w, h))
{
pixmap_priv->type = type;
pixmap_priv->base.box.x1 = 0;
pixmap_priv->base.box.y1 = 0;
pixmap_priv->base.box.x2 = w;
pixmap_priv->base.box.y2 = h;
fbo = glamor_create_fbo(glamor_priv, w, h, format, usage);
}
else {
DEBUGF("Create LARGE pixmap %p width %d height %d\n", pixmap, w, h);
pixmap_priv->type = GLAMOR_TEXTURE_LARGE;
fbo = glamor_create_fbo_array(glamor_priv, w, h, format, usage,
glamor_priv->max_fbo_size,
glamor_priv->max_fbo_size, pixmap_priv);
}
if (fbo == NULL) {
fbDestroyPixmap(pixmap);
free(pixmap_priv);
return fbCreatePixmap(screen, w, h, depth, usage);
}
glamor_pixmap_attach_fbo(pixmap, fbo);
return pixmap;
}
void
glamor_destroy_textured_pixmap(PixmapPtr pixmap)
{
if (pixmap->refcnt == 1) {
glamor_pixmap_private *pixmap_priv;
pixmap_priv = glamor_get_pixmap_private(pixmap);
if (pixmap_priv != NULL)
glamor_pixmap_destroy_fbo(pixmap_priv);
}
}
Bool
glamor_destroy_pixmap(PixmapPtr pixmap)
{
glamor_screen_private
*glamor_priv = glamor_get_screen_private(pixmap->drawable.pScreen);
if (glamor_priv->dri3_enabled)
glamor_egl_destroy_textured_pixmap(pixmap);
else
glamor_destroy_textured_pixmap(pixmap);
return fbDestroyPixmap(pixmap);
}
void
glamor_block_handler(ScreenPtr screen)
{
glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
glamor_make_current(glamor_priv);
glamor_priv->tick++;
glFlush();
glamor_fbo_expire(glamor_priv);
if (glamor_priv->state == RENDER_STATE
&& glamor_priv->render_idle_cnt++ > RENDER_IDEL_MAX) {
glamor_priv->state = IDLE_STATE;
glamor_priv->render_idle_cnt = 0;
}
}
static void
_glamor_block_handler(void *data, OSTimePtr timeout, void *last_select_mask)
{
glamor_screen_private *glamor_priv = data;
glamor_make_current(glamor_priv);
glFlush();
}
static void
_glamor_wakeup_handler(void *data, int result, void *last_select_mask)
{
}
static void
glamor_set_debug_level(int *debug_level)
{
char *debug_level_string;
debug_level_string = getenv("GLAMOR_DEBUG");
if (debug_level_string
&& sscanf(debug_level_string, "%d", debug_level) == 1)
return;
*debug_level = 0;
}
int glamor_debug_level;
/**
* Creates any pixmaps used internally by glamor, since those can't be
* allocated at ScreenInit time.
*/
static Bool
glamor_create_screen_resources(ScreenPtr screen)
{
glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
Bool ret = TRUE;
screen->CreateScreenResources =
glamor_priv->saved_procs.create_screen_resources;
if (screen->CreateScreenResources)
ret = screen->CreateScreenResources(screen);
screen->CreateScreenResources = glamor_create_screen_resources;
if (!glamor_realize_glyph_caches(screen)) {
ErrorF("Failed to initialize glyph cache\n");
ret = FALSE;
}
return ret;
}
/** Set up glamor for an already-configured GL context. */
Bool
glamor_init(ScreenPtr screen, unsigned int flags)
{
glamor_screen_private *glamor_priv;
int gl_version;
#ifdef RENDER
PictureScreenPtr ps = GetPictureScreenIfSet(screen);
#endif
if (flags & ~GLAMOR_VALID_FLAGS) {
ErrorF("glamor_init: Invalid flags %x\n", flags);
return FALSE;
}
glamor_priv = calloc(1, sizeof(*glamor_priv));
if (glamor_priv == NULL)
return FALSE;
glamor_priv->flags = flags;
if (flags & GLAMOR_INVERTED_Y_AXIS) {
glamor_priv->yInverted = TRUE;
}
else
glamor_priv->yInverted = FALSE;
if (!dixRegisterPrivateKey(glamor_screen_private_key, PRIVATE_SCREEN, 0)) {
LogMessage(X_WARNING,
"glamor%d: Failed to allocate screen private\n",
screen->myNum);
goto fail;
}
glamor_set_screen_private(screen, glamor_priv);
if (!dixRegisterPrivateKey(glamor_pixmap_private_key, PRIVATE_PIXMAP, 0)) {
LogMessage(X_WARNING,
"glamor%d: Failed to allocate pixmap private\n",
screen->myNum);
goto fail;;
}
if (epoxy_is_desktop_gl())
glamor_priv->gl_flavor = GLAMOR_GL_DESKTOP;
else
glamor_priv->gl_flavor = GLAMOR_GL_ES2;
gl_version = epoxy_gl_version();
/* Would be nice to have a cleaner test for GLSL 1.30 support,
* but for now this should suffice
*/
if (glamor_priv->gl_flavor == GLAMOR_GL_DESKTOP && gl_version >= 30)
glamor_priv->glsl_version = 130;
else
glamor_priv->glsl_version = 120;
/* We'd like to require GL_ARB_map_buffer_range or
* GL_OES_map_buffer_range, since it offers more information to
* the driver than plain old glMapBuffer() or glBufferSubData().
* It's been supported on Mesa on the desktop since 2009 and on
* GLES2 since October 2012. It's supported on Apple's iOS
* drivers for SGX535 and A7, but apparently not on most Android
* devices (the OES extension spec wasn't released until June
* 2012).
*
* 82% of 0 A.D. players (desktop GL) submitting hardware reports
* have support for it, with most of the ones lacking it being on
* Windows with Intel 4-series (G45) graphics or older.
*/
if (glamor_priv->gl_flavor == GLAMOR_GL_DESKTOP) {
if (gl_version < 21) {
ErrorF("Require OpenGL version 2.1 or later.\n");
goto fail;
}
} else {
if (gl_version < 20) {
ErrorF("Require Open GLES2.0 or later.\n");
goto fail;
}
if (!epoxy_has_gl_extension("GL_EXT_texture_format_BGRA8888")) {
ErrorF("GL_EXT_texture_format_BGRA8888 required\n");
goto fail;
}
}
glamor_priv->has_khr_debug = epoxy_has_gl_extension("GL_KHR_debug");
glamor_priv->has_pack_invert =
epoxy_has_gl_extension("GL_MESA_pack_invert");
glamor_priv->has_fbo_blit =
epoxy_has_gl_extension("GL_EXT_framebuffer_blit");
glamor_priv->has_map_buffer_range =
epoxy_has_gl_extension("GL_ARB_map_buffer_range");
glamor_priv->has_buffer_storage =
epoxy_has_gl_extension("GL_ARB_buffer_storage");
glGetIntegerv(GL_MAX_RENDERBUFFER_SIZE, &glamor_priv->max_fbo_size);
#ifdef MAX_FBO_SIZE
glamor_priv->max_fbo_size = MAX_FBO_SIZE;
#endif
glamor_set_debug_level(&glamor_debug_level);
/* If we are using egl screen, call egl screen init to
* register correct close screen function. */
if (flags & GLAMOR_USE_EGL_SCREEN) {
glamor_egl_screen_init(screen, &glamor_priv->ctx);
} else {
if (!glamor_glx_screen_init(&glamor_priv->ctx))
goto fail;
}
glamor_priv->saved_procs.close_screen = screen->CloseScreen;
screen->CloseScreen = glamor_close_screen;
glamor_priv->saved_procs.create_screen_resources =
screen->CreateScreenResources;
screen->CreateScreenResources = glamor_create_screen_resources;
if (!glamor_font_init(screen))
goto fail;
if (flags & GLAMOR_USE_SCREEN) {
if (!RegisterBlockAndWakeupHandlers(_glamor_block_handler,
_glamor_wakeup_handler,
glamor_priv)) {
goto fail;
}
glamor_priv->saved_procs.create_gc = screen->CreateGC;
screen->CreateGC = glamor_create_gc;
glamor_priv->saved_procs.create_pixmap = screen->CreatePixmap;
screen->CreatePixmap = glamor_create_pixmap;
glamor_priv->saved_procs.destroy_pixmap = screen->DestroyPixmap;
screen->DestroyPixmap = glamor_destroy_pixmap;
glamor_priv->saved_procs.get_spans = screen->GetSpans;
screen->GetSpans = glamor_get_spans;
glamor_priv->saved_procs.get_image = screen->GetImage;
screen->GetImage = glamor_get_image;
glamor_priv->saved_procs.change_window_attributes =
screen->ChangeWindowAttributes;
screen->ChangeWindowAttributes = glamor_change_window_attributes;
glamor_priv->saved_procs.copy_window = screen->CopyWindow;
screen->CopyWindow = glamor_copy_window;
glamor_priv->saved_procs.bitmap_to_region = screen->BitmapToRegion;
screen->BitmapToRegion = glamor_bitmap_to_region;
}
#ifdef RENDER
if (flags & GLAMOR_USE_PICTURE_SCREEN) {
glamor_priv->saved_procs.composite = ps->Composite;
ps->Composite = glamor_composite;
glamor_priv->saved_procs.trapezoids = ps->Trapezoids;
ps->Trapezoids = glamor_trapezoids;
glamor_priv->saved_procs.triangles = ps->Triangles;
ps->Triangles = glamor_triangles;
glamor_priv->saved_procs.addtraps = ps->AddTraps;
ps->AddTraps = glamor_add_traps;
}
glamor_priv->saved_procs.composite_rects = ps->CompositeRects;
ps->CompositeRects = glamor_composite_rectangles;
glamor_priv->saved_procs.glyphs = ps->Glyphs;
ps->Glyphs = glamor_glyphs;
glamor_priv->saved_procs.unrealize_glyph = ps->UnrealizeGlyph;
ps->UnrealizeGlyph = glamor_glyph_unrealize;
glamor_priv->saved_procs.create_picture = ps->CreatePicture;
ps->CreatePicture = glamor_create_picture;
glamor_priv->saved_procs.destroy_picture = ps->DestroyPicture;
ps->DestroyPicture = glamor_destroy_picture;
glamor_init_composite_shaders(screen);
#endif
glamor_priv->saved_procs.set_window_pixmap = screen->SetWindowPixmap;
screen->SetWindowPixmap = glamor_set_window_pixmap;
glamor_init_vbo(screen);
glamor_init_pixmap_fbo(screen);
glamor_init_solid_shader(screen);
glamor_init_tile_shader(screen);
#ifdef GLAMOR_TRAPEZOID_SHADER
glamor_init_trapezoid_shader(screen);
#endif
glamor_init_putimage_shaders(screen);
glamor_init_finish_access_shaders(screen);
#ifdef GLAMOR_GRADIENT_SHADER
glamor_init_gradient_shader(screen);
#endif
glamor_pixmap_init(screen);
glamor_glyphs_init(screen);
glamor_priv->screen = screen;
return TRUE;
fail:
free(glamor_priv);
glamor_set_screen_private(screen, NULL);
return FALSE;
}
static void
glamor_release_screen_priv(ScreenPtr screen)
{
glamor_screen_private *glamor_priv;
glamor_priv = glamor_get_screen_private(screen);
#ifdef RENDER
glamor_fini_composite_shaders(screen);
#endif
glamor_fini_vbo(screen);
glamor_fini_pixmap_fbo(screen);
glamor_fini_solid_shader(screen);
glamor_fini_tile_shader(screen);
#ifdef GLAMOR_TRAPEZOID_SHADER
glamor_fini_trapezoid_shader(screen);
#endif
glamor_fini_putimage_shaders(screen);
glamor_fini_finish_access_shaders(screen);
#ifdef GLAMOR_GRADIENT_SHADER
glamor_fini_gradient_shader(screen);
#endif
glamor_pixmap_fini(screen);
free(glamor_priv);
glamor_set_screen_private(screen, NULL);
}
_X_EXPORT void
glamor_set_pixmap_private(PixmapPtr pixmap, glamor_pixmap_private *priv)
{
glamor_pixmap_private *old_priv;
glamor_pixmap_fbo *fbo;
old_priv = dixGetPrivate(&pixmap->devPrivates, glamor_pixmap_private_key);
if (priv) {
assert(old_priv == NULL);
}
else {
if (old_priv == NULL)
return;
fbo = glamor_pixmap_detach_fbo(old_priv);
glamor_purge_fbo(fbo);
free(old_priv);
}
dixSetPrivate(&pixmap->devPrivates, glamor_pixmap_private_key, priv);
}
Bool
glamor_close_screen(ScreenPtr screen)
{
glamor_screen_private *glamor_priv;
PixmapPtr screen_pixmap;
int flags;
#ifdef RENDER
PictureScreenPtr ps = GetPictureScreenIfSet(screen);
#endif
glamor_priv = glamor_get_screen_private(screen);
flags = glamor_priv->flags;
glamor_glyphs_fini(screen);
screen->CloseScreen = glamor_priv->saved_procs.close_screen;
screen->CreateScreenResources =
glamor_priv->saved_procs.create_screen_resources;
if (flags & GLAMOR_USE_SCREEN) {
screen->CreateGC = glamor_priv->saved_procs.create_gc;
screen->CreatePixmap = glamor_priv->saved_procs.create_pixmap;
screen->DestroyPixmap = glamor_priv->saved_procs.destroy_pixmap;
screen->GetSpans = glamor_priv->saved_procs.get_spans;
screen->ChangeWindowAttributes =
glamor_priv->saved_procs.change_window_attributes;
screen->CopyWindow = glamor_priv->saved_procs.copy_window;
screen->BitmapToRegion = glamor_priv->saved_procs.bitmap_to_region;
}
#ifdef RENDER
if (ps && (flags & GLAMOR_USE_PICTURE_SCREEN)) {
ps->Composite = glamor_priv->saved_procs.composite;
ps->Trapezoids = glamor_priv->saved_procs.trapezoids;
ps->Triangles = glamor_priv->saved_procs.triangles;
ps->CreatePicture = glamor_priv->saved_procs.create_picture;
}
ps->CompositeRects = glamor_priv->saved_procs.composite_rects;
ps->Glyphs = glamor_priv->saved_procs.glyphs;
ps->UnrealizeGlyph = glamor_priv->saved_procs.unrealize_glyph;
screen->SetWindowPixmap = glamor_priv->saved_procs.set_window_pixmap;
#endif
screen_pixmap = screen->GetScreenPixmap(screen);
glamor_set_pixmap_private(screen_pixmap, NULL);
if (glamor_priv->back_pixmap && *glamor_priv->back_pixmap)
glamor_set_pixmap_private(*glamor_priv->back_pixmap, NULL);
glamor_release_screen_priv(screen);
return screen->CloseScreen(screen);
}
void
glamor_fini(ScreenPtr screen)
{
/* Do nothing currently. */
}
void
glamor_enable_dri3(ScreenPtr screen)
{
glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
glamor_priv->dri3_enabled = TRUE;
}
Bool
glamor_supports_pixmap_import_export(ScreenPtr screen)
{
glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
return glamor_priv->dri3_enabled;
}
_X_EXPORT int
glamor_fd_from_pixmap(ScreenPtr screen,
PixmapPtr pixmap, CARD16 *stride, CARD32 *size)
{
glamor_pixmap_private *pixmap_priv;
glamor_screen_private *glamor_priv =
glamor_get_screen_private(pixmap->drawable.pScreen);
pixmap_priv = glamor_get_pixmap_private(pixmap);
if (pixmap_priv == NULL || !glamor_priv->dri3_enabled)
return -1;
switch (pixmap_priv->type) {
case GLAMOR_TEXTURE_DRM:
case GLAMOR_TEXTURE_ONLY:
glamor_pixmap_ensure_fbo(pixmap, GL_RGBA, 0);
return glamor_egl_dri3_fd_name_from_tex(screen,
pixmap,
pixmap_priv->base.fbo->tex,
FALSE, stride, size);
default:
break;
}
return -1;
}
int
glamor_name_from_pixmap(PixmapPtr pixmap, CARD16 *stride, CARD32 *size)
{
glamor_pixmap_private *pixmap_priv;
glamor_screen_private *glamor_priv =
glamor_get_screen_private(pixmap->drawable.pScreen);
pixmap_priv = glamor_get_pixmap_private(pixmap);
if (pixmap_priv == NULL || !glamor_priv->dri3_enabled)
return -1;
switch (pixmap_priv->type) {
case GLAMOR_TEXTURE_DRM:
case GLAMOR_TEXTURE_ONLY:
glamor_pixmap_ensure_fbo(pixmap, GL_RGBA, 0);
return glamor_egl_dri3_fd_name_from_tex(pixmap->drawable.pScreen,
pixmap,
pixmap_priv->base.fbo->tex,
TRUE, stride, size);
default:
break;
}
return -1;
}
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