mirror of https://github.com/axmolengine/axmol.git
90 lines
2.4 KiB
C++
90 lines
2.4 KiB
C++
/*
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Copyright 2011 Google Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#ifndef GrGpuGLShaders_DEFINED
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#define GrGpuGLShaders_DEFINED
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#include "GrGpuGL.h"
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#include "GrGLProgram.h"
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class GrGpuGLProgram;
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// Programmable OpenGL or OpenGL ES 2.0
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class GrGpuGLShaders : public GrGpuGL {
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public:
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GrGpuGLShaders();
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virtual ~GrGpuGLShaders();
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virtual void resetContext();
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virtual void abandonResources();
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protected:
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// overrides from GrGpu
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virtual bool flushGraphicsState(GrPrimitiveType type);
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virtual void setupGeometry(int* startVertex,
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int* startIndex,
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int vertexCount,
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int indexCount);
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virtual void postDraw();
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private:
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class ProgramCache;
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// Helpers to make code more readable
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const GrMatrix& getHWSamplerMatrix(int stage);
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void recordHWSamplerMatrix(int stage, const GrMatrix& matrix);
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// sets the texture matrix uniform for currently bound program
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void flushTextureMatrix(int stage);
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// sets the texture domain uniform for currently bound program
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void flushTextureDomain(int stage);
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// sets the color specified by GrDrawTarget::setColor()
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void flushColor();
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// sets the MVP matrix uniform for currently bound program
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void flushViewMatrix();
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// flushes the parameters to two point radial gradient
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void flushRadial2(int stage);
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// flushes the normalized texel size
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void flushTexelSize(int stage);
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// flushes the edges for edge AA
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void flushEdgeAAData();
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static void DeleteProgram(GrGLProgram::CachedData* programData);
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void ProgramUnitTest();
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void buildProgram(GrPrimitiveType type);
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ProgramCache* fProgramCache;
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GrGLProgram::CachedData* fProgramData;
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GrGLuint fHWProgramID;
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GrGLProgram fCurrentProgram;
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typedef GrGpuGL INHERITED;
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};
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#endif
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