1 /* 2 * Copyright 2015 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #ifndef GLBench_DEFINED 9 #define GLBench_DEFINED 10 11 #include "Benchmark.h" 12 #include "SkCanvas.h" 13 #include "SkImageEncoder.h" 14 15 #if SK_SUPPORT_GPU 16 #include "gl/GrGLFunctions.h" 17 18 class GrGLContext; 19 struct GrGLInterface; 20 21 /* 22 * A virtual base class for microbenches which want to specifically test the performance of GL 23 */ 24 25 class GLBench : public Benchmark { 26 public: 27 GLBench() {} 28 29 protected: 30 const GrGLContext* getGLContext(SkCanvas*); 31 virtual const GrGLContext* onGetGLContext(const GrGLContext* ctx) { return ctx; } 32 void onPreDraw(SkCanvas*) override; 33 virtual void setup(const GrGLContext*)=0; 34 void onPostDraw(SkCanvas* canvas) override; 35 virtual void teardown(const GrGLInterface*)=0; 36 void onDraw(int loops, SkCanvas*) override; 37 virtual void glDraw(int loops, const GrGLContext*)=0; 38 static GrGLuint CompileShader(const GrGLContext*, const char* shaderSrc, GrGLenum type); 39 static GrGLuint CreateProgram(const GrGLContext*, const char* vshader, const char* fshader); 40 static GrGLuint SetupFramebuffer(const GrGLInterface*, int screenWidth, int screenHeight); 41 static void DumpImage(const GrGLInterface* gl, uint32_t screenWidth, uint32_t screenHeight, 42 const char* filename); 43 44 45 private: 46 typedef Benchmark INHERITED; 47 }; 48 49 50 #endif 51 #endif 52
