gsk: Use external textures
When we are running under GLES, we can use GL_TEXTURE_EXTERNAL_OES to support YUV formats. Since we don't want to deal with the combinatorial explosion of compiling all our shaders with all combinations of sampler2D vs samplerExternalOES for all their textures, we copy the external textures to a regular texture before using them.
This commit is contained in:
Matthias Clasen
@@ -713,6 +713,178 @@ gsk_gl_driver_cache_texture (GskGLDriver *self,
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}
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}
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#if defined(HAVE_DMABUF) && defined (HAVE_EGL)
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static void
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set_viewport_for_size (GskGLDriver *self,
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GskGLProgram *program,
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float width,
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float height)
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{
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float viewport[4] = { 0, 0, width, height };
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gsk_gl_uniform_state_set4fv (program->uniforms,
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program->program_info,
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UNIFORM_SHARED_VIEWPORT, 0,
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1,
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(const float *)&viewport);
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self->stamps[UNIFORM_SHARED_VIEWPORT]++;
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}
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#define ORTHO_NEAR_PLANE -10000
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#define ORTHO_FAR_PLANE 10000
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static void
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set_projection_for_size (GskGLDriver *self,
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GskGLProgram *program,
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float width,
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float height)
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{
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graphene_matrix_t projection;
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graphene_matrix_init_ortho (&projection, 0, width, 0, height, ORTHO_NEAR_PLANE, ORTHO_FAR_PLANE);
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graphene_matrix_scale (&projection, 1, -1, 1);
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gsk_gl_uniform_state_set_matrix (program->uniforms,
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program->program_info,
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UNIFORM_SHARED_PROJECTION, 0,
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&projection);
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self->stamps[UNIFORM_SHARED_PROJECTION]++;
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}
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static void
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reset_modelview (GskGLDriver *self,
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GskGLProgram *program)
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{
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graphene_matrix_t modelview;
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graphene_matrix_init_identity (&modelview);
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gsk_gl_uniform_state_set_matrix (program->uniforms,
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program->program_info,
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UNIFORM_SHARED_MODELVIEW, 0,
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&modelview);
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self->stamps[UNIFORM_SHARED_MODELVIEW]++;
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}
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static void
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draw_rect (GskGLCommandQueue *command_queue,
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float min_x,
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float min_y,
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float max_x,
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float max_y)
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{
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GskGLDrawVertex *vertices = gsk_gl_command_queue_add_vertices (command_queue);
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float min_u = 0;
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float max_u = 1;
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float min_v = 1;
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float max_v = 0;
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guint16 c = FP16_ZERO;
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vertices[0] = (GskGLDrawVertex) { .position = { min_x, min_y }, .uv = { min_u, min_v }, .color = { c, c, c, c } };
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vertices[1] = (GskGLDrawVertex) { .position = { min_x, max_y }, .uv = { min_u, max_v }, .color = { c, c, c, c } };
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vertices[2] = (GskGLDrawVertex) { .position = { max_x, min_y }, .uv = { max_u, min_v }, .color = { c, c, c, c } };
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vertices[3] = (GskGLDrawVertex) { .position = { max_x, max_y }, .uv = { max_u, max_v }, .color = { c, c, c, c } };
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vertices[4] = (GskGLDrawVertex) { .position = { min_x, max_y }, .uv = { min_u, max_v }, .color = { c, c, c, c } };
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vertices[5] = (GskGLDrawVertex) { .position = { max_x, min_y }, .uv = { max_u, min_v }, .color = { c, c, c, c } };
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}
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static unsigned int release_render_target (GskGLDriver *self,
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GskGLRenderTarget *render_target,
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gboolean release_texture,
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gboolean cache_texture);
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static guint
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gsk_gl_driver_import_dmabuf_texture (GskGLDriver *self,
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GdkDmabufTexture *texture)
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{
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GdkGLContext *context = self->command_queue->context;
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GdkDisplay *display = gdk_gl_context_get_display (context);
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int max_texture_size = self->command_queue->max_texture_size;
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const GdkDmabuf *dmabuf;
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guint texture_id;
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int width, height;
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GskGLProgram *program;
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GskGLRenderTarget *render_target;
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guint prev_fbo;
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gdk_gl_context_make_current (context);
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width = gdk_texture_get_width (GDK_TEXTURE (texture));
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height = gdk_texture_get_height (GDK_TEXTURE (texture));
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if (width > max_texture_size || height > max_texture_size)
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{
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GDK_DEBUG (DMABUF, "Can't import dmabuf bigger than MAX_TEXTURE_SIZE (%d)", max_texture_size);
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return 0;
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}
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dmabuf = gdk_dmabuf_texture_get_dmabuf (texture);
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GDK_DEBUG (DMABUF, "DMA-buf Format %.4s:%#lx", (char *) &dmabuf->fourcc, dmabuf->modifier);
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if (!gdk_dmabuf_formats_contains (display->egl_external_formats, dmabuf->fourcc, dmabuf->modifier))
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{
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GDK_DEBUG (DMABUF, "Import dmabuf as GL_TEXTURE_2D texture");
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return gdk_gl_context_import_dmabuf (context, width, height,
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dmabuf,
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GL_TEXTURE_2D);
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}
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if (!gdk_gl_context_get_use_es (context))
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{
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GDK_DEBUG (DMABUF, "Can't import external_only dmabuf outside of GLES");
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return 0;
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}
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GDK_DEBUG (DMABUF, "Import dmabuf as GL_TEXTURE_EXTERNAL_OES texture");
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texture_id = gdk_gl_context_import_dmabuf (context, width, height,
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dmabuf,
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GL_TEXTURE_EXTERNAL_OES);
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if (texture_id == 0)
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return 0;
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gsk_gl_driver_autorelease_texture (self, texture_id);
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program = self->external;
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gsk_gl_driver_create_render_target (self, width, height, GL_RGBA8, &render_target);
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prev_fbo = gsk_gl_command_queue_bind_framebuffer (self->command_queue, render_target->framebuffer_id);
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gsk_gl_command_queue_clear (self->command_queue, 0, &GRAPHENE_RECT_INIT (0, 0, width, height));
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if (gsk_gl_command_queue_begin_draw (self->command_queue, program->program_info, width, height))
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{
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set_projection_for_size (self, program, width, height);
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set_viewport_for_size (self, program, width, height);
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reset_modelview (self, program);
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gsk_gl_program_set_uniform_texture (program,
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UNIFORM_EXTERNAL_SOURCE, 0,
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GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE0, texture_id);
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draw_rect (self->command_queue, 0, 0, width, height);
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gsk_gl_command_queue_end_draw (self->command_queue);
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}
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gsk_gl_command_queue_bind_framebuffer (self->command_queue, prev_fbo);
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return release_render_target (self, render_target, FALSE, FALSE);
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}
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#else
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static guint
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gsk_gl_driver_import_dmabuf_texture (GskGLDriver *self,
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GdkDmabufTexture *texture)
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{
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return 0;
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}
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#endif /* HAVE_DMABUF && HAVE_EGL */
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/**
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* gsk_gl_driver_load_texture:
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* @self: a `GdkTexture`
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@@ -771,11 +943,7 @@ gsk_gl_driver_load_texture (GskGLDriver *self,
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if (GDK_IS_DMABUF_TEXTURE (texture))
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{
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texture_id = gdk_gl_context_import_dmabuf (context,
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gdk_texture_get_width (texture),
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gdk_texture_get_height (texture),
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gdk_dmabuf_texture_get_dmabuf (GDK_DMABUF_TEXTURE (texture)),
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GL_TEXTURE_2D);
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texture_id = gsk_gl_driver_import_dmabuf_texture (self, GDK_DMABUF_TEXTURE (texture));
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}
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else if (GDK_IS_GL_TEXTURE (texture))
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{
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@@ -980,6 +1148,47 @@ gsk_gl_driver_create_render_target (GskGLDriver *self,
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return FALSE;
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}
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static unsigned int
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release_render_target (GskGLDriver *self,
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GskGLRenderTarget *render_target,
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gboolean release_texture,
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gboolean cache_texture)
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{
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guint texture_id;
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g_return_val_if_fail (GSK_IS_GL_DRIVER (self), 0);
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g_return_val_if_fail (render_target != NULL, 0);
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if (release_texture)
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{
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texture_id = 0;
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g_ptr_array_add (self->render_targets, render_target);
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}
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else
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{
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texture_id = render_target->texture_id;
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if (cache_texture)
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{
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GskGLTexture *texture;
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texture = gsk_gl_texture_new (render_target->texture_id,
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render_target->width,
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render_target->height,
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self->current_frame_id);
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g_hash_table_insert (self->textures,
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GUINT_TO_POINTER (texture_id),
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g_steal_pointer (&texture));
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}
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gsk_gl_driver_autorelease_framebuffer (self, render_target->framebuffer_id);
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g_free (render_target);
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}
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return texture_id;
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}
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/**
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* gsk_gl_driver_release_render_target:
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* @self: a `GskGLDriver`
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@@ -1005,36 +1214,7 @@ gsk_gl_driver_release_render_target (GskGLDriver *self,
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GskGLRenderTarget *render_target,
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gboolean release_texture)
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{
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guint texture_id;
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g_return_val_if_fail (GSK_IS_GL_DRIVER (self), 0);
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g_return_val_if_fail (render_target != NULL, 0);
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if (release_texture)
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{
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texture_id = 0;
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g_ptr_array_add (self->render_targets, render_target);
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}
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else
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{
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GskGLTexture *texture;
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texture_id = render_target->texture_id;
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texture = gsk_gl_texture_new (render_target->texture_id,
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render_target->width,
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render_target->height,
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self->current_frame_id);
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g_hash_table_insert (self->textures,
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GUINT_TO_POINTER (texture_id),
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g_steal_pointer (&texture));
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gsk_gl_driver_autorelease_framebuffer (self, render_target->framebuffer_id);
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g_free (render_target);
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}
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return texture_id;
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return release_render_target (self, render_target, release_texture, TRUE);
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}
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/**
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