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| 1 // Copyright 2013 The Chromium 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 "cc/test/test_texture.h" | |
| 6 | |
| 7 #include "gpu/GLES2/gl2extchromium.h" | |
| 8 #include "third_party/khronos/GLES2/gl2ext.h" | |
| 9 | |
| 10 namespace cc { | |
| 11 | |
| 12 size_t TextureSizeBytes(const gfx::Size& size, ResourceFormat format) { | |
| 13 unsigned int components_per_pixel = 4; | |
| 14 unsigned int bytes_per_component = 1; | |
| 15 return size.width() * size.height() * components_per_pixel * | |
| 16 bytes_per_component; | |
| 17 } | |
| 18 | |
| 19 TestTexture::TestTexture() : format(RGBA_8888) { | |
| 20 // Initialize default parameter values. | |
| 21 params[GL_TEXTURE_MAG_FILTER] = GL_LINEAR; | |
| 22 params[GL_TEXTURE_MIN_FILTER] = GL_NEAREST_MIPMAP_LINEAR; | |
| 23 params[GL_TEXTURE_WRAP_S] = GL_REPEAT; | |
| 24 params[GL_TEXTURE_WRAP_T] = GL_REPEAT; | |
| 25 params[GL_TEXTURE_POOL_CHROMIUM] = GL_TEXTURE_POOL_UNMANAGED_CHROMIUM; | |
| 26 params[GL_TEXTURE_USAGE_ANGLE] = GL_NONE; | |
| 27 } | |
| 28 | |
| 29 TestTexture::~TestTexture() {} | |
| 30 | |
| 31 void TestTexture::Reallocate(const gfx::Size& size, ResourceFormat format) { | |
| 32 this->size = size; | |
| 33 this->format = format; | |
| 34 this->data.reset(new uint8_t[TextureSizeBytes(size, format)]); | |
| 35 } | |
| 36 | |
| 37 bool TestTexture::IsValidParameter(GLenum pname) { | |
| 38 return params.find(pname) != params.end(); | |
| 39 } | |
| 40 | |
| 41 } // namespace cc | |
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