2 * Copyright (C) 2015 The Android Open Source Project
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 #ifndef ANDROID_GL_WORKER_H_
18 #define ANDROID_GL_WORKER_H_
22 #define EGL_EGLEXT_PROTOTYPES
23 #define GL_GLEXT_PROTOTYPES
26 #include <EGL/eglext.h>
27 #include <GLES2/gl2.h>
28 #include <GLES2/gl2ext.h>
30 #include <ui/GraphicBuffer.h>
36 class GLWorkerCompositor {
39 ~GLWorkerCompositor();
42 int Composite(hwc_layer_1 *layers, size_t num_layers,
43 const sp<GraphicBuffer> &framebuffer);
47 struct CachedFramebuffer {
48 // If the strong_framebuffer is non-NULL, we are holding a strong reference
49 // until we are sure rendering is done. The weak reference will be equal in
51 sp<GraphicBuffer> strong_framebuffer;
52 wp<GraphicBuffer> weak_framebuffer;
53 AutoEGLDisplayImage egl_fb_image;
54 AutoGLTexture gl_fb_tex;
55 AutoGLFramebuffer gl_fb;
57 CachedFramebuffer(const sp<GraphicBuffer> &gb, AutoEGLDisplayImage &&image,
58 AutoGLTexture &&tex, AutoGLFramebuffer &&fb);
63 CachedFramebuffer *FindCachedFramebuffer(
64 const sp<GraphicBuffer> &framebuffer);
65 CachedFramebuffer *PrepareAndCacheFramebuffer(
66 const sp<GraphicBuffer> &framebuffer);
68 EGLDisplay egl_display_;
71 std::vector<AutoGLProgram> blend_programs_;
72 AutoGLBuffer vertex_buffer_;
74 std::vector<CachedFramebuffer> cached_framebuffers_;