52 lines
1.5 KiB
C++
52 lines
1.5 KiB
C++
/*
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* Copyright 2015 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef GLBench_DEFINED
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#define GLBench_DEFINED
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#include "Benchmark.h"
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#include "SkCanvas.h"
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#include "SkImageEncoder.h"
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#if SK_SUPPORT_GPU
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#include "gl/GrGLFunctions.h"
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class GrGLContext;
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struct GrGLInterface;
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/*
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* A virtual base class for microbenches which want to specifically test the performance of GL
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*/
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class GLBench : public Benchmark {
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public:
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GLBench() {}
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protected:
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const GrGLContext* getGLContext(SkCanvas*);
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virtual const GrGLContext* onGetGLContext(const GrGLContext* ctx) { return ctx; }
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void onPerCanvasPreDraw(SkCanvas* canvas) override;
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virtual void setup(const GrGLContext*)=0;
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void onPerCanvasPostDraw(SkCanvas* canvas) override;
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virtual void teardown(const GrGLInterface*)=0;
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void onDraw(const int loops, SkCanvas*) override;
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virtual void glDraw(const int loops, const GrGLContext*)=0;
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static GrGLuint CompileShader(const GrGLInterface*, const char* shaderSrc, GrGLenum type);
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static GrGLuint CreateProgram(const GrGLInterface*, const char* vshader, const char* fshader);
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static GrGLuint SetupFramebuffer(const GrGLInterface*, int screenWidth, int screenHeight);
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static void DumpImage(const GrGLInterface* gl, uint32_t screenWidth, uint32_t screenHeight,
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const char* filename);
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private:
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typedef Benchmark INHERITED;
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};
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#endif
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#endif
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