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// Copyright 2014 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 <GLES2/gl2.h>
#include <GLES2/gl2ext.h>
#include "gpu/command_buffer/tests/gl_manager.h"
#include "gpu/command_buffer/tests/gl_test_utils.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace gpu {
class TextureStorageTest : public testing::Test {
protected:
static const GLsizei kResolution = 64;
virtual void SetUp() {
GLManager::Options options;
options.size = gfx::Size(kResolution, kResolution);
gl_.Initialize(options);
gl_.MakeCurrent();
glGenTextures(1, &tex_);
glBindTexture(GL_TEXTURE_2D, tex_);
glGenFramebuffers(1, &fbo_);
glBindFramebuffer(GL_FRAMEBUFFER, fbo_);
glFramebufferTexture2D(GL_FRAMEBUFFER,
GL_COLOR_ATTACHMENT0,
GL_TEXTURE_2D,
tex_,
0);
const GLubyte* extensions = glGetString(GL_EXTENSIONS);
extension_available_ = strstr(reinterpret_cast<const char*>(
extensions), "GL_EXT_texture_storage");
}
virtual void TearDown() {
gl_.Destroy();
}
GLManager gl_;
GLuint tex_;
GLuint fbo_;
bool extension_available_;
};
TEST_F(TextureStorageTest, CorrectPixels) {
if (!extension_available_)
return;
glTexStorage2DEXT(GL_TEXTURE_2D, 2, GL_RGBA8_OES, 2, 2);
uint8 source_pixels[16] = {
1, 2, 3, 4, 1, 2, 3, 4, 1, 2, 3, 4, 1, 2, 3, 4
};
glTexSubImage2D(GL_TEXTURE_2D,
0,
0, 0,
2, 2,
GL_RGBA, GL_UNSIGNED_BYTE,
source_pixels);
EXPECT_TRUE(GLTestHelper::CheckPixels(0, 0, 2, 2, 0, source_pixels));
}
TEST_F(TextureStorageTest, IsImmutable) {
if (!extension_available_)
return;
glTexStorage2DEXT(GL_TEXTURE_2D, 1, GL_RGBA8_OES, 4, 4);
GLint param = 0;
glGetTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_IMMUTABLE_FORMAT_EXT, ¶m);
EXPECT_TRUE(param);
}
TEST_F(TextureStorageTest, OneLevel) {
if (!extension_available_)
return;
glTexStorage2DEXT(GL_TEXTURE_2D, 1, GL_RGBA8_OES, 4, 4);
uint8 source_pixels[64] = { 0 };
EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 4, 4,
GL_RGBA, GL_UNSIGNED_BYTE, source_pixels);
EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
glTexSubImage2D(GL_TEXTURE_2D, 1, 0, 0, 2, 2,
GL_RGBA, GL_UNSIGNED_BYTE, source_pixels);
EXPECT_EQ(static_cast<GLenum>(GL_INVALID_OPERATION), glGetError());
}
TEST_F(TextureStorageTest, MultipleLevels) {
if (!extension_available_)
return;
glTexStorage2DEXT(GL_TEXTURE_2D, 2, GL_RGBA8_OES, 2, 2);
uint8 source_pixels[16] = { 0 };
EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 2, 2,
GL_RGBA, GL_UNSIGNED_BYTE, source_pixels);
EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
glTexSubImage2D(GL_TEXTURE_2D, 1, 0, 0, 1, 1,
GL_RGBA, GL_UNSIGNED_BYTE, source_pixels);
EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
glTexSubImage2D(GL_TEXTURE_2D, 2, 0, 0, 1, 1,
GL_RGBA, GL_UNSIGNED_BYTE, source_pixels);
EXPECT_EQ(static_cast<GLenum>(GL_INVALID_OPERATION), glGetError());
}
TEST_F(TextureStorageTest, BadTarget) {
if (!extension_available_)
return;
EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
glTexStorage2DEXT(GL_TEXTURE_CUBE_MAP, 1, GL_RGBA8_OES, 4, 4);
EXPECT_EQ(static_cast<GLenum>(GL_INVALID_ENUM), glGetError());
}
TEST_F(TextureStorageTest, InvalidId) {
if (!extension_available_)
return;
glDeleteTextures(1, &tex_);
EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
glTexStorage2DEXT(GL_TEXTURE_2D, 1, GL_RGBA8_OES, 4, 4);
EXPECT_EQ(static_cast<GLenum>(GL_INVALID_OPERATION), glGetError());
}
TEST_F(TextureStorageTest, CannotRedefine) {
if (!extension_available_)
return;
glTexStorage2DEXT(GL_TEXTURE_2D, 1, GL_RGBA8_OES, 4, 4);
EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
glTexStorage2DEXT(GL_TEXTURE_2D, 1, GL_RGBA8_OES, 4, 4);
EXPECT_EQ(static_cast<GLenum>(GL_INVALID_OPERATION), glGetError());
EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
glTexImage2D(GL_TEXTURE_2D,
0,
GL_RGBA,
4, 4,
0,
GL_RGBA,
GL_UNSIGNED_BYTE,
NULL);
EXPECT_EQ(static_cast<GLenum>(GL_INVALID_OPERATION), glGetError());
}
} // namespace gpu
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