1 // Copyright (c) 2010 The Chromium OS Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "main.h" 6 #include "testbase.h" 7 8 9 namespace glbench { 10 11 12 class ClearTest : public TestBase { 13 public: 14 ClearTest() : mask_(0) {} 15 virtual ~ClearTest() {} 16 virtual bool TestFunc(uint64_t iterations); 17 virtual bool Run(); 18 virtual const char* Name() const { return "clear"; } 19 virtual bool IsDrawTest() const { return true; } 20 virtual const char* Unit() const { return "mpixels_sec"; } 21 22 private: 23 GLbitfield mask_; 24 DISALLOW_COPY_AND_ASSIGN(ClearTest); 25 }; 26 27 28 bool ClearTest::TestFunc(uint64_t iterations) { 29 GLbitfield mask = mask_; 30 glClear(mask); 31 glFlush(); // Kick GPU as soon as possible 32 for (uint64_t i = 0; i < iterations - 1; ++i) { 33 glClear(mask); 34 } 35 return true; 36 } 37 38 39 bool ClearTest::Run() { 40 mask_ = GL_COLOR_BUFFER_BIT; 41 RunTest(this, "clear_color", g_width * g_height, g_width, g_height, true); 42 43 mask_ = GL_DEPTH_BUFFER_BIT; 44 RunTest(this, "clear_depth", g_width * g_height, g_width, g_height, true); 45 46 mask_ = GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT; 47 RunTest(this, "clear_colordepth", 48 g_width * g_height, g_width, g_height, true); 49 50 mask_ = GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT; 51 RunTest(this, "clear_depthstencil", 52 g_width * g_height, g_width, g_height, true); 53 54 mask_ = GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT; 55 RunTest(this, "clear_colordepthstencil", 56 g_width * g_height, g_width, g_height, true); 57 return true; 58 } 59 60 61 TestBase* GetClearTest() { 62 return new ClearTest; 63 } 64 65 } // namespace glbench 66
