cc/test/test_texture.cc

   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