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gpu / command_buffer / tests / gl_deschedule_unittest.cc [blame]
// 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 "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 {
class GLDescheduleTest : public testing::Test {
protected:
void SetUp() override {
GLManager::Options options;
gl1_.Initialize(options);
}
void TearDown() override {
gl1_.Destroy();
}
GLManager gl1_;
};
TEST_F(GLDescheduleTest, Deschedule) {
gl1_.MakeCurrent();
GLuint tex = 0;
glGenTextures(1, &tex);
glBindTexture(GL_TEXTURE_2D, tex);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE,
nullptr);
GLuint fbo = 0;
glGenFramebuffers(1, &fbo);
glBindFramebuffer(GL_FRAMEBUFFER, fbo);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D,
tex, 0);
glClearColor(1.0f, 0.0f, 0.0f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT);
glDescheduleUntilFinishedCHROMIUM();
glClearColor(0.0f, 0.0f, 1.0f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT);
glFlush();
glClearColor(0.0f, 1.0f, 0.0f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT);
glFlush();
uint32_t result;
glReadPixels(0, 0, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE,
&result);
EXPECT_EQ(0xFF00FF00u, result);
}
} // namespace gpu