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 #include "utils.h" 8 9 namespace glbench { 10 11 class ClearTest : public TestBase { 12 public: 13 ClearTest() : mask_(0) {} 14 virtual ~ClearTest() {} 15 virtual bool TestFunc(uint64_t iterations); 16 virtual bool Run(); 17 virtual const char* Name() const { return "clear"; } 18 virtual bool IsDrawTest() const { return true; } 19 virtual const char* Unit() const { return "mpixels_sec"; } 20 21 private: 22 GLbitfield mask_; 23 DISALLOW_COPY_AND_ASSIGN(ClearTest); 24 }; 25 26 bool ClearTest::TestFunc(uint64_t iterations) { 27 GLbitfield mask = mask_; 28 glClear(mask); 29 glFlush(); // Kick GPU as soon as possible 30 for (uint64_t i = 0; i < iterations - 1; ++i) { 31 glClear(mask); 32 } 33 return true; 34 } 35 36 bool ClearTest::Run() { 37 mask_ = GL_COLOR_BUFFER_BIT; 38 RunTest(this, "clear_color", g_width * g_height, g_width, g_height, true); 39 40 mask_ = GL_DEPTH_BUFFER_BIT; 41 RunTest(this, "clear_depth", g_width * g_height, g_width, g_height, true); 42 43 mask_ = GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT; 44 RunTest(this, "clear_colordepth", g_width * g_height, g_width, g_height, 45 true); 46 47 mask_ = GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT; 48 RunTest(this, "clear_depthstencil", g_width * g_height, g_width, g_height, 49 true); 50 51 mask_ = GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT; 52 RunTest(this, "clear_colordepthstencil", g_width * g_height, g_width, 53 g_height, true); 54 return true; 55 } 56 57 TestBase* GetClearTest() { 58 return new ClearTest; 59 } 60 61 } // namespace glbench 62
