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- // Copyright (c) 2012 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 <GLES2/gl2ext.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include "ppapi/c/ppb_opengles2.h"
- #include "ppapi/cpp/graphics_3d.h"
- #include "ppapi/cpp/module.h"
- #include "ppapi/lib/gl/gles2/gl2ext_ppapi.h"
- #include "ppapi/tests/test_case.h"
- #include "ppapi/tests/test_utils.h"
- #include "ppapi/tests/testing_instance.h"
- const int32_t kInvalidContext = 0;
- REGISTER_TEST_CASE(Graphics3D);
- bool TestGraphics3D::Init() {
- opengl_es2_ = static_cast<const PPB_OpenGLES2*>(
- pp::Module::Get()->GetBrowserInterface(PPB_OPENGLES2_INTERFACE));
- glInitializePPAPI(pp::Module::Get()->get_browser_interface());
- return opengl_es2_ && CheckTestingInterface();
- }
- void TestGraphics3D::RunTests(const std::string& filter) {
- RUN_CALLBACK_TEST(TestGraphics3D, FramePPAPI, filter);
- RUN_CALLBACK_TEST(TestGraphics3D, FrameGL, filter);
- RUN_CALLBACK_TEST(TestGraphics3D, ExtensionsGL, filter);
- RUN_CALLBACK_TEST(TestGraphics3D, BadResource, filter);
- }
- std::string TestGraphics3D::TestFramePPAPI() {
- 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_, attribs);
- ASSERT_FALSE(context.is_null());
- const uint8_t red_color[4] = {255, 0, 0, 255};
- // Access OpenGLES API through the PPAPI interface.
- // 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.
- std::string error = CheckPixelPPAPI(&context, width/2, height/2, red_color);
- if (!error.empty())
- return error;
- int32_t rv = SwapBuffersSync(&context);
- ASSERT_EQ(PP_OK, rv);
- PASS();
- }
- std::string TestGraphics3D::TestFrameGL() {
- 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_, attribs);
- ASSERT_FALSE(context.is_null());
- const uint8_t red_color[4] = {255, 0, 0, 255};
- // Perform same operations as TestFramePPAPI, but use OpenGLES API directly.
- // This is how most developers will use OpenGLES.
- glSetCurrentContextPPAPI(context.pp_resource());
- glClearColor(1.0f, 0.0f, 0.0f, 1.0f);
- glClear(GL_COLOR_BUFFER_BIT);
- std::string error = CheckPixelGL(width/2, height/2, red_color);
- glSetCurrentContextPPAPI(kInvalidContext);
- if (!error.empty())
- return error;
- int32_t rv = SwapBuffersSync(&context);
- ASSERT_EQ(PP_OK, rv);
- PASS();
- }
- std::string TestGraphics3D::TestExtensionsGL() {
- 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_, attribs);
- ASSERT_FALSE(context.is_null());
- glSetCurrentContextPPAPI(context.pp_resource());
- glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
- glClear(GL_COLOR_BUFFER_BIT);
- // Ask about a couple of extensions via glGetString. If an extension is
- // available, try a couple of trivial calls. This test is not intended
- // to be exhaustive; check the source can compile, link, and run without
- // crashing.
- ASSERT_NE(NULL, glGetString(GL_VERSION));
- const char* ext = reinterpret_cast<const char*>(glGetString(GL_EXTENSIONS));
- if (strstr(ext, "GL_EXT_occlusion_query_boolean")) {
- GLuint a_query = 0;
- glGenQueriesEXT(1, &a_query);
- ASSERT_NE(0, a_query);
- glBeginQueryEXT(GL_ANY_SAMPLES_PASSED_EXT, a_query);
- GLboolean is_a_query = glIsQueryEXT(a_query);
- ASSERT_EQ(is_a_query, GL_TRUE);
- glEndQueryEXT(GL_ANY_SAMPLES_PASSED_EXT);
- glDeleteQueriesEXT(1, &a_query);
- }
- if (strstr(ext, "GL_ANGLE_instanced_arrays")) {
- glDrawArraysInstancedANGLE(GL_TRIANGLE_STRIP, 0, 0, 0);
- }
- if (strstr(ext, "GL_OES_vertex_array_object")) {
- GLuint a_vertex_array = 0;
- glGenVertexArraysOES(1, &a_vertex_array);
- ASSERT_NE(0, a_vertex_array);
- glBindVertexArrayOES(a_vertex_array);
- GLboolean is_a_vertex_array = glIsVertexArrayOES(a_vertex_array);
- ASSERT_EQ(is_a_vertex_array, GL_TRUE);
- glBindVertexArrayOES(0);
- glDeleteVertexArraysOES(1, &a_vertex_array);
- }
- glSetCurrentContextPPAPI(kInvalidContext);
- int32_t rv = SwapBuffersSync(&context);
- ASSERT_EQ(PP_OK, rv);
- PASS();
- }
- int32_t TestGraphics3D::SwapBuffersSync(pp::Graphics3D* context) {
- TestCompletionCallback callback(instance_->pp_instance(), callback_type());
- callback.WaitForResult(context->SwapBuffers(callback.GetCallback()));
- return callback.result();
- }
- std::string TestGraphics3D::CheckPixelPPAPI(
- 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();
- }
- std::string TestGraphics3D::CheckPixelGL(
- int x, int y, const uint8_t expected_color[4]) {
- GLubyte pixel_color[4];
- glReadPixels(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();
- }
- std::string TestGraphics3D::TestBadResource() {
- // The point of this test is mostly just to make sure that we don't crash and
- // provide reasonable (error) results when the resource is bad.
- const PP_Resource kBadResource = 123;
- // Access OpenGLES API through the PPAPI interface.
- opengl_es2_->ClearColor(kBadResource, 0.0f, 0.0f, 0.0f, 0.0f);
- opengl_es2_->Clear(kBadResource, GL_COLOR_BUFFER_BIT);
- ASSERT_EQ(0, opengl_es2_->GetError(kBadResource));
- ASSERT_EQ(NULL, opengl_es2_->GetString(kBadResource, GL_VERSION));
- ASSERT_EQ(-1, opengl_es2_->GetUniformLocation(kBadResource, 0, NULL));
- ASSERT_EQ(GL_FALSE, opengl_es2_->IsBuffer(kBadResource, 0));
- ASSERT_EQ(0, opengl_es2_->CheckFramebufferStatus(kBadResource,
- GL_DRAW_FRAMEBUFFER));
- glSetCurrentContextPPAPI(kBadResource);
- glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
- glClear(GL_COLOR_BUFFER_BIT);
- ASSERT_EQ(0, glGetError());
- ASSERT_EQ(NULL, glGetString(GL_VERSION));
- ASSERT_EQ(-1, glGetUniformLocation(0, NULL));
- ASSERT_EQ(GL_FALSE, glIsBuffer(0));
- ASSERT_EQ(0, glCheckFramebufferStatus(GL_DRAW_FRAMEBUFFER));
- glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
- glClear(GL_COLOR_BUFFER_BIT);
- PASS();
- }
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