1 // Copyright (c) 2013 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 // This test evalutes the speed of uploading textures without actually drawing. 6 7 #include "main.h" 8 #include "texturetest.h" 9 10 namespace glbench { 11 12 class TextureUploadTest : public TextureTest { 13 public: 14 TextureUploadTest() {} 15 virtual ~TextureUploadTest() {} 16 virtual bool TestFunc(uint64_t iterations); 17 virtual const char* Name() const { return "texture_upload"; } 18 virtual bool IsDrawTest() const { return false; } 19 }; 20 21 bool TextureUploadTest::TestFunc(uint64_t iterations) { 22 glGetError(); 23 24 for (uint64_t i = 0; i < iterations; ++i) { 25 glBindTexture(GL_TEXTURE_2D, textures_[i % kNumberOfTextures]); 26 switch (flavor_) { 27 case TEX_IMAGE: 28 glTexImage2D(GL_TEXTURE_2D, 0, texel_gl_format_, width_, height_, 0, 29 texel_gl_format_, GL_UNSIGNED_BYTE, 30 pixels_[i % kNumberOfTextures].get()); 31 break; 32 case TEX_SUBIMAGE: 33 glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width_, height_, 34 texel_gl_format_, GL_UNSIGNED_BYTE, 35 pixels_[i % kNumberOfTextures].get()); 36 break; 37 } 38 } 39 40 return true; 41 } 42 43 TestBase* GetTextureUploadTest() { 44 return new TextureUploadTest; 45 } 46 47 } // namespace glbench 48
