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      1 /*
      2  * Copyright 2013 The Android Open Source Project
      3  *
      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
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     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.
     15  */
     16 
     17 
     18 #ifndef SF_GLES11RENDERENGINE_H_
     19 #define SF_GLES11RENDERENGINE_H_
     20 
     21 #include <stdint.h>
     22 #include <sys/types.h>
     23 
     24 #include <GLES/gl.h>
     25 
     26 #include "RenderEngine.h"
     27 
     28 // ---------------------------------------------------------------------------
     29 namespace android {
     30 // ---------------------------------------------------------------------------
     31 
     32 class String8;
     33 class Mesh;
     34 class Texture;
     35 
     36 class GLES11RenderEngine : public RenderEngine {
     37     GLuint mProtectedTexName;
     38     GLint mMaxViewportDims[2];
     39     GLint mMaxTextureSize;
     40 
     41     virtual void bindImageAsFramebuffer(EGLImageKHR image,
     42             uint32_t* texName, uint32_t* fbName, uint32_t* status);
     43     virtual void unbindFramebuffer(uint32_t texName, uint32_t fbName);
     44 
     45 public:
     46     GLES11RenderEngine();
     47 
     48 protected:
     49     virtual ~GLES11RenderEngine();
     50 
     51     virtual void dump(String8& result);
     52     virtual void setViewportAndProjection(size_t vpw, size_t vph, size_t w, size_t h, bool yswap);
     53     virtual void setupLayerBlending(bool premultipliedAlpha, bool opaque, int alpha);
     54     virtual void setupDimLayerBlending(int alpha);
     55     virtual void setupLayerTexturing(const Texture& texture);
     56     virtual void setupLayerBlackedOut();
     57     virtual void setupFillWithColor(float r, float g, float b, float a) ;
     58     virtual void disableTexturing();
     59     virtual void disableBlending();
     60 
     61     virtual void drawMesh(const Mesh& mesh);
     62 
     63     virtual void beginGroup(const mat4& colorTransform);
     64     virtual void endGroup();
     65 
     66     virtual size_t getMaxTextureSize() const;
     67     virtual size_t getMaxViewportDims() const;
     68 };
     69 
     70 // ---------------------------------------------------------------------------
     71 }; // namespace android
     72 // ---------------------------------------------------------------------------
     73 
     74 #endif /* SF_GLES11RENDERENGINE_H_ */
     75