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// Copyright 2017 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 <GLES3/gl3.h>
#include <stdint.h>
#include <array>
#include "gpu/command_buffer/tests/gl_manager.h"
#include "gpu/command_buffer/tests/gl_test_utils.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace gpu {
// A collection of tests that exercise the GL_EXT_srgb extension.
class GLVirtualContextsEXTWindowRectanglesTest : public testing::Test {
protected:
void SetUp() override {
GLManager::Options options;
options.context_type = CONTEXT_TYPE_OPENGLES3;
gl_real_shared_.Initialize(options);
if (!IsApplicable())
return;
options.virtual_manager = &gl_real_shared_;
gl1_.Initialize(options);
gl2_.Initialize(options);
}
void TearDown() override {
if (IsApplicable()) {
gl1_.Destroy();
gl2_.Destroy();
}
gl_real_shared_.Destroy();
}
bool IsApplicable() const {
// Not applicable for devices not supporting OpenGLES3.
if (!gl_real_shared_.IsInitialized()) {
return false;
}
bool have_ext = GLTestHelper::HasExtension("GL_EXT_window_rectangles");
return have_ext;
}
GLManager gl_real_shared_;
GLManager gl1_;
GLManager gl2_;
};
TEST_F(GLVirtualContextsEXTWindowRectanglesTest, Basic) {
if (!IsApplicable()) {
return;
}
// Context 1: Set window rectangles state.
gl1_.MakeCurrent();
{
std::array<GLint, 12> box = {};
for (int i = 0; i < 12; ++i) {
box[i] = i;
}
glWindowRectanglesEXT(GL_INCLUSIVE_EXT, 3, box.data());
EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
}
// Context 2: Make sure it still has the default state.
gl2_.MakeCurrent();
{
GLint max = -1;
{
glGetIntegerv(GL_MAX_WINDOW_RECTANGLES_EXT, &max);
EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
EXPECT_GE(max, 4);
}
{
int mode = -1;
glGetIntegerv(GL_WINDOW_RECTANGLE_MODE_EXT, &mode);
EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
EXPECT_EQ(GL_EXCLUSIVE_EXT, mode);
}
{
GLint num = -1;
glGetIntegerv(GL_NUM_WINDOW_RECTANGLES_EXT, &num);
EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
EXPECT_EQ(0, num);
}
for (int i = 0; i < max; ++i) {
GLint rect[4] = {-1, -1, -1, -1};
glGetIntegeri_v(GL_WINDOW_RECTANGLE_EXT, i, rect);
EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
EXPECT_EQ(0, rect[0]);
EXPECT_EQ(0, rect[1]);
EXPECT_EQ(0, rect[2]);
EXPECT_EQ(0, rect[3]);
}
}
// Context 1: Make sure it still has the state it set.
gl1_.MakeCurrent();
{
{
int mode = -1;
glGetIntegerv(GL_WINDOW_RECTANGLE_MODE_EXT, &mode);
EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
EXPECT_EQ(GL_INCLUSIVE_EXT, mode);
}
{
GLint num = -1;
glGetIntegerv(GL_NUM_WINDOW_RECTANGLES_EXT, &num);
EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
EXPECT_EQ(3, num);
}
for (int i = 0; i < 3; ++i) {
GLint rect[4] = {-1, -1, -1, -1};
glGetIntegeri_v(GL_WINDOW_RECTANGLE_EXT, i, rect);
EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
EXPECT_EQ(4 * i + 0, rect[0]);
EXPECT_EQ(4 * i + 1, rect[1]);
EXPECT_EQ(4 * i + 2, rect[2]);
EXPECT_EQ(4 * i + 3, rect[3]);
}
}
}
} // namespace gpu
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