| /* |
| * Copyright 2013 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. |
| */ |
| |
| #include <GLES2/gl2.h> |
| #include "Texture.h" |
| |
| #ifndef SF_RENDER_ENGINE_DESCRIPTION_H_ |
| #define SF_RENDER_ENGINE_DESCRIPTION_H_ |
| |
| namespace android { |
| |
| class Program; |
| |
| /* |
| * This holds the state of the rendering engine. This class is used |
| * to generate a corresponding GLSL program and set the appropriate |
| * uniform. |
| * |
| * Program and ProgramCache are friends and access the state directly |
| */ |
| class Description { |
| friend class Program; |
| friend class ProgramCache; |
| |
| // whether textures are premultiplied |
| bool mPremultipliedAlpha; |
| // whether this layer is marked as opaque |
| bool mOpaque; |
| |
| // Texture this layer uses |
| Texture mTexture; |
| bool mTextureEnabled; |
| |
| // color used when texturing is disabled or when setting alpha. |
| half4 mColor; |
| // projection matrix |
| mat4 mProjectionMatrix; |
| |
| bool mColorMatrixEnabled; |
| mat4 mColorMatrix; |
| |
| bool mIsWideGamut; |
| |
| public: |
| Description(); |
| ~Description(); |
| |
| void setPremultipliedAlpha(bool premultipliedAlpha); |
| void setOpaque(bool opaque); |
| void setTexture(const Texture& texture); |
| void disableTexture(); |
| void setColor(const half4& color); |
| void setProjectionMatrix(const mat4& mtx); |
| void setColorMatrix(const mat4& mtx); |
| const mat4& getColorMatrix() const; |
| void setWideGamut(bool wideGamut); |
| }; |
| |
| } /* namespace android */ |
| |
| #endif /* SF_RENDER_ENGINE_DESCRIPTION_H_ */ |