Home | History | Annotate | Download | only in RenderEngine
      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 #include <Transform.h>
     26 
     27 #include "RenderEngine.h"
     28 
     29 // ---------------------------------------------------------------------------
     30 namespace android {
     31 // ---------------------------------------------------------------------------
     32 
     33 class String8;
     34 class Mesh;
     35 class Texture;
     36 
     37 class GLES11RenderEngine : public RenderEngine {
     38     GLuint mProtectedTexName;
     39     GLint mMaxViewportDims[2];
     40     GLint mMaxTextureSize;
     41 
     42     virtual void bindImageAsFramebuffer(EGLImageKHR image,
     43             uint32_t* texName, uint32_t* fbName, uint32_t* status);
     44     virtual void unbindFramebuffer(uint32_t texName, uint32_t fbName);
     45 
     46 public:
     47     GLES11RenderEngine();
     48 
     49 protected:
     50     virtual ~GLES11RenderEngine();
     51 
     52     virtual void dump(String8& result);
     53     virtual void setViewportAndProjection(size_t vpw, size_t vph,
     54             Rect sourceCrop, size_t hwh, bool yswap,
     55             Transform::orientation_flags rotation);
     56 #ifdef USE_HWC2
     57     virtual void setupLayerBlending(bool premultipliedAlpha, bool opaque,
     58             float alpha) override;
     59     virtual void setupDimLayerBlending(float alpha) override;
     60 #else
     61     virtual void setupLayerBlending(bool premultipliedAlpha, bool opaque,
     62             int alpha);
     63     virtual void setupDimLayerBlending(int alpha);
     64 #endif
     65     virtual void setupLayerTexturing(const Texture& texture);
     66     virtual void setupLayerBlackedOut();
     67     virtual void setupFillWithColor(float r, float g, float b, float a) ;
     68     virtual void disableTexturing();
     69     virtual void disableBlending();
     70 
     71     virtual void drawMesh(const Mesh& mesh);
     72 
     73     virtual size_t getMaxTextureSize() const;
     74     virtual size_t getMaxViewportDims() const;
     75 };
     76 
     77 // ---------------------------------------------------------------------------
     78 }; // namespace android
     79 // ---------------------------------------------------------------------------
     80 
     81 #endif /* SF_GLES11RENDERENGINE_H_ */
     82