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
10namespace cc {
11
12size_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
19TestTexture::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
29TestTexture::~TestTexture() {}
30
31void 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
37bool TestTexture::IsValidParameter(GLenum pname) {
38  return params.find(pname) != params.end();
39}
40
41}  // namespace cc
42