| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef ANDROID_UI_CACHES_H |
| #define ANDROID_UI_CACHES_H |
| |
| #ifndef LOG_TAG |
| #define LOG_TAG "OpenGLRenderer" |
| #endif |
| |
| #include <utils/Singleton.h> |
| |
| #include "FontRenderer.h" |
| #include "GammaFontRenderer.h" |
| #include "TextureCache.h" |
| #include "LayerCache.h" |
| #include "GradientCache.h" |
| #include "PatchCache.h" |
| #include "ProgramCache.h" |
| #include "PathCache.h" |
| #include "TextDropShadowCache.h" |
| #include "FboCache.h" |
| #include "Line.h" |
| #include "ResourceCache.h" |
| |
| namespace android { |
| namespace uirenderer { |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // Globals |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| #define REQUIRED_TEXTURE_UNITS_COUNT 3 |
| |
| // Generates simple and textured vertices |
| #define FV(x, y, u, v) { { x, y }, { u, v } } |
| |
| // This array is never used directly but used as a memcpy source in the |
| // OpenGLRenderer constructor |
| static const TextureVertex gMeshVertices[] = { |
| FV(0.0f, 0.0f, 0.0f, 0.0f), |
| FV(1.0f, 0.0f, 1.0f, 0.0f), |
| FV(0.0f, 1.0f, 0.0f, 1.0f), |
| FV(1.0f, 1.0f, 1.0f, 1.0f) |
| }; |
| static const GLsizei gMeshStride = sizeof(TextureVertex); |
| static const GLsizei gMeshTextureOffset = 2 * sizeof(float); |
| static const GLsizei gMeshCount = 4; |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // Debug |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| struct CacheLogger { |
| CacheLogger() { |
| LOGD("Creating caches"); |
| } |
| }; // struct CacheLogger |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // Caches |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| class Caches: public Singleton<Caches> { |
| Caches(): Singleton<Caches>(), blend(false), lastSrcMode(GL_ZERO), |
| lastDstMode(GL_ZERO), currentProgram(NULL) { |
| GLint maxTextureUnits; |
| glGetIntegerv(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS, &maxTextureUnits); |
| if (maxTextureUnits < REQUIRED_TEXTURE_UNITS_COUNT) { |
| LOGW("At least %d texture units are required!", REQUIRED_TEXTURE_UNITS_COUNT); |
| } |
| |
| glGenBuffers(1, &meshBuffer); |
| glBindBuffer(GL_ARRAY_BUFFER, meshBuffer); |
| glBufferData(GL_ARRAY_BUFFER, sizeof(gMeshVertices), gMeshVertices, GL_STATIC_DRAW); |
| |
| currentBuffer = meshBuffer; |
| } |
| |
| friend class Singleton<Caches>; |
| |
| CacheLogger logger; |
| |
| public: |
| /** |
| * Binds the VBO used to render simple textured quads. |
| */ |
| inline void bindMeshBuffer() { |
| bindMeshBuffer(meshBuffer); |
| } |
| |
| /** |
| * Binds the specified VBO. |
| */ |
| inline void bindMeshBuffer(const GLuint buffer) { |
| if (currentBuffer != buffer) { |
| glBindBuffer(GL_ARRAY_BUFFER, buffer); |
| currentBuffer = buffer; |
| } |
| } |
| |
| /** |
| * Unbinds the VBO used to render simple textured quads. |
| */ |
| inline void unbindMeshBuffer() { |
| if (currentBuffer) { |
| glBindBuffer(GL_ARRAY_BUFFER, 0); |
| currentBuffer = 0; |
| } |
| } |
| |
| bool blend; |
| GLenum lastSrcMode; |
| GLenum lastDstMode; |
| Program* currentProgram; |
| |
| GLuint meshBuffer; |
| GLuint currentBuffer; |
| |
| TextureCache textureCache; |
| LayerCache layerCache; |
| GradientCache gradientCache; |
| ProgramCache programCache; |
| PathCache pathCache; |
| PatchCache patchCache; |
| TextDropShadowCache dropShadowCache; |
| FboCache fboCache; |
| GammaFontRenderer fontRenderer; |
| ResourceCache resourceCache; |
| |
| Line line; |
| }; // class Caches |
| |
| }; // namespace uirenderer |
| |
| #ifdef USE_OPENGL_RENDERER |
| using namespace uirenderer; |
| ANDROID_SINGLETON_STATIC_INSTANCE(Caches); |
| #endif |
| |
| }; // namespace android |
| |
| #endif // ANDROID_UI_CACHES_H |