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// Copyright (c) 2011 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 "ppapi/tests/test_graphics_3d.h"
#include <GLES2/gl2.h>
#include "ppapi/c/dev/ppb_testing_dev.h"
#include "ppapi/c/ppb_opengles.h"
#include "ppapi/cpp/graphics_3d.h"
#include "ppapi/cpp/module.h"
#include "ppapi/tests/test_utils.h"
#include "ppapi/tests/testing_instance.h"
REGISTER_TEST_CASE(Graphics3D);
bool TestGraphics3D::Init() {
opengl_es2_ = reinterpret_cast<const PPB_OpenGLES2*>(
pp::Module::Get()->GetBrowserInterface(PPB_OPENGLES2_INTERFACE));
return opengl_es2_ && InitTestingInterface();
}
void TestGraphics3D::RunTest() {
RUN_TEST(Frame);
}
std::string TestGraphics3D::TestFrame() {
const int width = 16;
const int height = 16;
const int32_t attribs[] = {
PP_GRAPHICS3DATTRIB_WIDTH, width,
PP_GRAPHICS3DATTRIB_HEIGHT, height,
PP_GRAPHICS3DATTRIB_NONE
};
pp::Graphics3D context(*instance_, pp::Graphics3D(), attribs);
ASSERT_FALSE(context.is_null());
// Clear color buffer to opaque red.
opengl_es2_->ClearColor(context.pp_resource(), 1.0f, 0.0f, 0.0f, 1.0f);
opengl_es2_->Clear(context.pp_resource(), GL_COLOR_BUFFER_BIT);
// Check if the color buffer has opaque red.
const uint8_t red_color[4] = {255, 0, 0, 255};
std::string error = TestPixel(&context, width/2, height/2, red_color);
if (!error.empty())
return error;
int32_t rv = SwapBuffersSync(&context);
ASSERT_EQ(rv, PP_OK);
PASS();
}
int32_t TestGraphics3D::SwapBuffersSync(pp::Graphics3D* context) {
TestCompletionCallback callback(instance_->pp_instance(), true);
int32_t rv = context->SwapBuffers(callback);
if (rv != PP_OK_COMPLETIONPENDING)
return rv;
return callback.WaitForResult();
}
std::string TestGraphics3D::TestPixel(
pp::Graphics3D* context,
int x, int y, const uint8_t expected_color[4]) {
GLubyte pixel_color[4];
opengl_es2_->ReadPixels(context->pp_resource(),
x, y, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, pixel_color);
ASSERT_EQ(pixel_color[0], expected_color[0]);
ASSERT_EQ(pixel_color[1], expected_color[1]);
ASSERT_EQ(pixel_color[2], expected_color[2]);
ASSERT_EQ(pixel_color[3], expected_color[3]);
PASS();
}
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