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/*
* 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.
*/
#ifndef SF_GLES20RENDERENGINE_H_
#define SF_GLES20RENDERENGINE_H_
#include <stdint.h>
#include <sys/types.h>
#include <GLES2/gl2.h>
#include "RenderEngine.h"
#include "ProgramCache.h"
#include "Description.h"
// ---------------------------------------------------------------------------
namespace android {
// ---------------------------------------------------------------------------
class String8;
class Mesh;
class Texture;
class GLES20RenderEngine : public RenderEngine {
GLuint mProtectedTexName;
GLint mMaxViewportDims[2];
GLint mMaxTextureSize;
GLuint mVpWidth;
GLuint mVpHeight;
struct Group {
GLuint texture;
GLuint fbo;
GLuint width;
GLuint height;
mat4 colorTransform;
};
Description mState;
Vector<Group> mGroupStack;
virtual void bindImageAsFramebuffer(EGLImageKHR image,
uint32_t* texName, uint32_t* fbName, uint32_t* status);
virtual void unbindFramebuffer(uint32_t texName, uint32_t fbName);
public:
GLES20RenderEngine();
protected:
virtual ~GLES20RenderEngine();
virtual void dump(String8& result);
virtual void setViewportAndProjection(size_t vpw, size_t vph,
Rect sourceCrop, size_t hwh, bool yswap);
virtual void setupLayerBlending(bool premultipliedAlpha, bool opaque, int alpha);
virtual void setupDimLayerBlending(int alpha);
virtual void setupLayerTexturing(const Texture& texture);
virtual void setupLayerBlackedOut();
virtual void setupFillWithColor(float r, float g, float b, float a);
virtual void disableTexturing();
virtual void disableBlending();
virtual void drawMesh(const Mesh& mesh);
virtual void beginGroup(const mat4& colorTransform);
virtual void endGroup();
virtual size_t getMaxTextureSize() const;
virtual size_t getMaxViewportDims() const;
};
// ---------------------------------------------------------------------------
}; // namespace android
// ---------------------------------------------------------------------------
#endif /* SF_GLES20RENDERENGINE_H_ */
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