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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 "base/memory/scoped_ptr.h"
#include "cc/test/test_web_graphics_context_3d.h"
#include "gpu/GLES2/gl2extchromium.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/khronos/GLES2/gl2ext.h"
namespace cc {
namespace {
static bool check_parameter_value(TestWebGraphicsContext3D* context,
GLenum pname,
GLint expected_value) {
GLint actual_value = 0;
context->getTexParameteriv(GL_TEXTURE_2D, pname, &actual_value);
return expected_value == actual_value;
}
static void expect_default_parameter_values(TestWebGraphicsContext3D* context) {
EXPECT_TRUE(check_parameter_value(context, GL_TEXTURE_MAG_FILTER, GL_LINEAR));
EXPECT_TRUE(check_parameter_value(
context, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_LINEAR));
EXPECT_TRUE(check_parameter_value(context, GL_TEXTURE_WRAP_S, GL_REPEAT));
EXPECT_TRUE(check_parameter_value(context, GL_TEXTURE_WRAP_T, GL_REPEAT));
EXPECT_TRUE(check_parameter_value(
context, GL_TEXTURE_POOL_CHROMIUM, GL_TEXTURE_POOL_UNMANAGED_CHROMIUM));
EXPECT_TRUE(check_parameter_value(context, GL_TEXTURE_USAGE_ANGLE, GL_NONE));
}
TEST(TestWebGraphicsContext3DTest, GetDefaultTextureParameterValues) {
scoped_ptr<TestWebGraphicsContext3D> context(
TestWebGraphicsContext3D::Create());
GLuint texture = context->createTexture();
context->bindTexture(GL_TEXTURE_2D, texture);
expect_default_parameter_values(context.get());
}
TEST(TestWebGraphicsContext3DTest, SetAndGetTextureParameter) {
scoped_ptr<TestWebGraphicsContext3D> context(
TestWebGraphicsContext3D::Create());
GLuint texture = context->createTexture();
context->bindTexture(GL_TEXTURE_2D, texture);
context->texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
EXPECT_TRUE(
check_parameter_value(context.get(), GL_TEXTURE_MIN_FILTER, GL_NEAREST));
}
TEST(TestWebGraphicsContext3DTest,
SetAndGetMultipleTextureParametersOnMultipleTextures) {
scoped_ptr<TestWebGraphicsContext3D> context(
TestWebGraphicsContext3D::Create());
// Set and get non-default texture parameters on the first texture.
GLuint first_texture = context->createTexture();
context->bindTexture(GL_TEXTURE_2D, first_texture);
context->texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
context->texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
EXPECT_TRUE(
check_parameter_value(context.get(), GL_TEXTURE_MIN_FILTER, GL_LINEAR));
EXPECT_TRUE(
check_parameter_value(context.get(), GL_TEXTURE_MAG_FILTER, GL_NEAREST));
// Set and get different, non-default texture parameters on the second
// texture.
GLuint second_texture = context->createTexture();
context->bindTexture(GL_TEXTURE_2D, second_texture);
context->texParameteri(
GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST);
context->texParameteri(
GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR_MIPMAP_LINEAR);
EXPECT_TRUE(check_parameter_value(
context.get(), GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST));
EXPECT_TRUE(check_parameter_value(
context.get(), GL_TEXTURE_MAG_FILTER, GL_LINEAR_MIPMAP_LINEAR));
// Get texture parameters on the first texture and verify they are still
// intact.
context->bindTexture(GL_TEXTURE_2D, first_texture);
EXPECT_TRUE(
check_parameter_value(context.get(), GL_TEXTURE_MIN_FILTER, GL_LINEAR));
EXPECT_TRUE(
check_parameter_value(context.get(), GL_TEXTURE_MAG_FILTER, GL_NEAREST));
}
} // namespace
} // namespace cc
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