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// Copyright 2016 The Chromium Authors
// 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 <GLES2/gl2extchromium.h>
#include <GLES3/gl3.h>
#include <stdint.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 ObjectBindingsTest : public testing::Test {
protected:
void SetUp() override {
GLManager::Options options;
options.context_type = CONTEXT_TYPE_OPENGLES3;
gl_.Initialize(options);
}
void TearDown() override { gl_.Destroy(); }
bool IsApplicable() const { return gl_.IsInitialized(); }
GLManager gl_;
};
TEST_F(ObjectBindingsTest, Buffers) {
if (!IsApplicable()) {
return;
}
const std::pair<GLenum, GLenum> buffer_bindings[] = {
{GL_ARRAY_BUFFER, GL_ARRAY_BUFFER_BINDING},
{GL_ELEMENT_ARRAY_BUFFER, GL_ELEMENT_ARRAY_BUFFER_BINDING},
{GL_PIXEL_PACK_BUFFER, GL_PIXEL_PACK_BUFFER_BINDING},
{GL_PIXEL_UNPACK_BUFFER, GL_PIXEL_UNPACK_BUFFER_BINDING},
{GL_TRANSFORM_FEEDBACK_BUFFER, GL_TRANSFORM_FEEDBACK_BUFFER_BINDING},
{GL_COPY_READ_BUFFER, GL_COPY_READ_BUFFER_BINDING},
{GL_COPY_WRITE_BUFFER, GL_COPY_WRITE_BUFFER_BINDING},
{GL_UNIFORM_BUFFER, GL_UNIFORM_BUFFER_BINDING},
};
for (auto binding : buffer_bindings) {
GLuint buffer = 0;
glGenBuffers(1, &buffer);
glBindBuffer(binding.first, buffer);
{
GLint result = 0;
glGetIntegerv(binding.second, &result);
EXPECT_EQ(static_cast<GLuint>(result), buffer);
}
{
GLfloat result = 0;
glGetFloatv(binding.second, &result);
EXPECT_EQ(static_cast<GLuint>(result), buffer);
}
glBindBuffer(binding.first, 0);
glDeleteBuffers(1, &buffer);
}
GLTestHelper::CheckGLError("no errors", __LINE__);
}
TEST_F(ObjectBindingsTest, FramebufferAttachments) {
if (!IsApplicable()) {
return;
}
GLuint texture = 0;
glGenTextures(1, &texture);
glBindTexture(GL_TEXTURE_2D, texture);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE,
nullptr);
GLuint renderbuffer = 0;
glGenRenderbuffers(1, &renderbuffer);
glBindRenderbuffer(GL_RENDERBUFFER, renderbuffer);
glRenderbufferStorage(GL_RENDERBUFFER, GL_RGBA8, 1, 1);
GLuint framebuffer = 0;
glGenFramebuffers(1, &framebuffer);
glBindFramebuffer(GL_FRAMEBUFFER, framebuffer);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D,
texture, 0);
{
GLint result = 0;
glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME,
&result);
EXPECT_EQ(static_cast<GLuint>(result), texture);
}
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
GL_RENDERBUFFER, renderbuffer);
{
GLint result = 0;
glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME,
&result);
EXPECT_EQ(static_cast<GLuint>(result), renderbuffer);
}
GLTestHelper::CheckGLError("no errors", __LINE__);
}
} // namespace gpu
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