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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "cc/test/test_texture.h"
#include "gpu/GLES2/gl2extchromium.h"
#include "third_party/khronos/GLES2/gl2ext.h"
namespace cc {
size_t TextureSizeBytes(const gfx::Size& size, ResourceFormat format) {
unsigned int components_per_pixel = 4;
unsigned int bytes_per_component = 1;
return size.width() * size.height() * components_per_pixel *
bytes_per_component;
}
TestTexture::TestTexture() : format(RGBA_8888) {
// Initialize default parameter values.
params[GL_TEXTURE_MAG_FILTER] = GL_LINEAR;
params[GL_TEXTURE_MIN_FILTER] = GL_NEAREST_MIPMAP_LINEAR;
params[GL_TEXTURE_WRAP_S] = GL_REPEAT;
params[GL_TEXTURE_WRAP_T] = GL_REPEAT;
params[GL_TEXTURE_POOL_CHROMIUM] = GL_TEXTURE_POOL_UNMANAGED_CHROMIUM;
params[GL_TEXTURE_USAGE_ANGLE] = GL_NONE;
}
TestTexture::~TestTexture() {}
void TestTexture::Reallocate(const gfx::Size& size, ResourceFormat format) {
this->size = size;
this->format = format;
this->data.reset(new uint8_t[TextureSizeBytes(size, format)]);
}
bool TestTexture::IsValidParameter(GLenum pname) {
return params.find(pname) != params.end();
}
} // namespace cc
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