2 * Copyright 2015 Google Inc.
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
8 #ifndef GLBench_DEFINED
9 #define GLBench_DEFINED
11 #include "Benchmark.h"
13 #include "SkImageEncoder.h"
16 #include "gl/GrGLFunctions.h"
22 * A virtual base class for microbenches which want to specifically test the performance of GL
25 class GLBench : public Benchmark {
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 GrGLInterface*, const char* shaderSrc, GrGLenum type);
39 static GrGLuint CreateProgram(const GrGLInterface*, 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);
46 typedef Benchmark INHERITED;