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fl_renderer_test.cc
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// Copyright 2013 The Flutter 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 "gtest/gtest.h"
#include "flutter/fml/logging.h"
#include "flutter/shell/platform/linux/fl_framebuffer.h"
#include "flutter/shell/platform/linux/testing/fl_test_gtk_logs.h"
#include "flutter/shell/platform/linux/testing/mock_epoxy.h"
#include "flutter/shell/platform/linux/testing/mock_renderer.h"
#include <epoxy/egl.h>
TEST(FlRendererTest, RestoresGLState) {
::testing::NiceMock<flutter::testing::MockEpoxy> epoxy;
constexpr int kWidth = 100;
constexpr int kHeight = 100;
flutter::testing::fl_ensure_gtk_init();
g_autoptr(FlDartProject) project = fl_dart_project_new();
g_autoptr(FlView) view = fl_view_new(project);
g_autoptr(FlMockRenderer) renderer = fl_mock_renderer_new();
g_autoptr(FlFramebuffer) framebuffer = fl_framebuffer_new(kWidth, kHeight);
fl_renderer_add_view(FL_RENDERER(renderer), 0, view);
fl_renderer_wait_for_frame(FL_RENDERER(renderer), kWidth, kHeight);
FlutterBackingStore backing_store;
backing_store.type = kFlutterBackingStoreTypeOpenGL;
backing_store.open_gl.framebuffer.user_data = framebuffer;
FlutterLayer layer;
layer.type = kFlutterLayerContentTypeBackingStore;
layer.backing_store = &backing_store;
layer.offset = {0, 0};
layer.size = {kWidth, kHeight};
std::array<const FlutterLayer*, 1> layers = {&layer};
constexpr GLuint kFakeTextureName = 123;
glBindTexture(GL_TEXTURE_2D, kFakeTextureName);
fl_renderer_present_layers(FL_RENDERER(renderer), 0, layers.data(),
layers.size());
fl_renderer_render(FL_RENDERER(renderer), kWidth, kHeight);
GLuint texture_2d_binding;
glGetIntegerv(GL_TEXTURE_BINDING_2D,
reinterpret_cast<GLint*>(&texture_2d_binding));
EXPECT_EQ(texture_2d_binding, kFakeTextureName);
g_object_ref_sink(view);
}
static constexpr double kExpectedRefreshRate = 120.0;
static gdouble renderer_get_refresh_rate(FlRenderer* renderer) {
return kExpectedRefreshRate;
}
TEST(FlRendererTest, RefreshRate) {
flutter::testing::fl_ensure_gtk_init();
g_autoptr(FlDartProject) project = fl_dart_project_new();
g_autoptr(FlMockRenderer) renderer =
fl_mock_renderer_new(&renderer_get_refresh_rate);
gdouble result_refresh_rate =
fl_renderer_get_refresh_rate(FL_RENDERER(renderer));
EXPECT_DOUBLE_EQ(result_refresh_rate, kExpectedRefreshRate);
}
TEST(FlRendererTest, BlitFramebuffer) {
::testing::NiceMock<flutter::testing::MockEpoxy> epoxy;
// OpenGL 3.0
ON_CALL(epoxy, glGetString(GL_VENDOR))
.WillByDefault(
::testing::Return(reinterpret_cast<const GLubyte*>("Intel")));
ON_CALL(epoxy, epoxy_is_desktop_gl).WillByDefault(::testing::Return(true));
EXPECT_CALL(epoxy, epoxy_gl_version).WillRepeatedly(::testing::Return(30));
EXPECT_CALL(epoxy, glBlitFramebuffer);
g_autoptr(FlMockRenderer) renderer =
fl_mock_renderer_new(&renderer_get_refresh_rate);
fl_renderer_setup(FL_RENDERER(renderer));
fl_renderer_wait_for_frame(FL_RENDERER(renderer), 1024, 1024);
FlutterBackingStoreConfig config = {
.struct_size = sizeof(FlutterBackingStoreConfig),
.size = {.width = 1024, .height = 1024}};
FlutterBackingStore backing_store;
fl_renderer_create_backing_store(FL_RENDERER(renderer), &config,
&backing_store);
const FlutterLayer layer0 = {.struct_size = sizeof(FlutterLayer),
.type = kFlutterLayerContentTypeBackingStore,
.backing_store = &backing_store,
.size = {.width = 1024, .height = 1024}};
const FlutterLayer* layers[] = {&layer0};
fl_renderer_present_layers(FL_RENDERER(renderer), 0, layers, 1);
fl_renderer_render(FL_RENDERER(renderer), 1024, 1024);
}
TEST(FlRendererTest, BlitFramebufferExtension) {
::testing::NiceMock<flutter::testing::MockEpoxy> epoxy;
// OpenGL 2.0 with GL_EXT_framebuffer_blit extension
ON_CALL(epoxy, glGetString(GL_VENDOR))
.WillByDefault(
::testing::Return(reinterpret_cast<const GLubyte*>("Intel")));
ON_CALL(epoxy, epoxy_is_desktop_gl).WillByDefault(::testing::Return(true));
EXPECT_CALL(epoxy, epoxy_gl_version).WillRepeatedly(::testing::Return(20));
EXPECT_CALL(epoxy, epoxy_has_gl_extension(
::testing::StrEq("GL_EXT_framebuffer_blit")))
.WillRepeatedly(::testing::Return(true));
EXPECT_CALL(epoxy, glBlitFramebuffer);
g_autoptr(FlMockRenderer) renderer =
fl_mock_renderer_new(&renderer_get_refresh_rate);
fl_renderer_setup(FL_RENDERER(renderer));
fl_renderer_wait_for_frame(FL_RENDERER(renderer), 1024, 1024);
FlutterBackingStoreConfig config = {
.struct_size = sizeof(FlutterBackingStoreConfig),
.size = {.width = 1024, .height = 1024}};
FlutterBackingStore backing_store;
fl_renderer_create_backing_store(FL_RENDERER(renderer), &config,
&backing_store);
const FlutterLayer layer0 = {.struct_size = sizeof(FlutterLayer),
.type = kFlutterLayerContentTypeBackingStore,
.backing_store = &backing_store,
.size = {.width = 1024, .height = 1024}};
const FlutterLayer* layers[] = {&layer0};
fl_renderer_present_layers(FL_RENDERER(renderer), 0, layers, 1);
fl_renderer_render(FL_RENDERER(renderer), 1024, 1024);
}
TEST(FlRendererTest, NoBlitFramebuffer) {
::testing::NiceMock<flutter::testing::MockEpoxy> epoxy;
// OpenGL 2.0
ON_CALL(epoxy, glGetString(GL_VENDOR))
.WillByDefault(
::testing::Return(reinterpret_cast<const GLubyte*>("Intel")));
ON_CALL(epoxy, epoxy_is_desktop_gl).WillByDefault(::testing::Return(true));
EXPECT_CALL(epoxy, epoxy_gl_version).WillRepeatedly(::testing::Return(20));
g_autoptr(FlMockRenderer) renderer =
fl_mock_renderer_new(&renderer_get_refresh_rate);
fl_renderer_setup(FL_RENDERER(renderer));
fl_renderer_wait_for_frame(FL_RENDERER(renderer), 1024, 1024);
FlutterBackingStoreConfig config = {
.struct_size = sizeof(FlutterBackingStoreConfig),
.size = {.width = 1024, .height = 1024}};
FlutterBackingStore backing_store;
fl_renderer_create_backing_store(FL_RENDERER(renderer), &config,
&backing_store);
const FlutterLayer layer0 = {.struct_size = sizeof(FlutterLayer),
.type = kFlutterLayerContentTypeBackingStore,
.backing_store = &backing_store,
.size = {.width = 1024, .height = 1024}};
const FlutterLayer* layers[] = {&layer0};
fl_renderer_present_layers(FL_RENDERER(renderer), 0, layers, 1);
fl_renderer_render(FL_RENDERER(renderer), 1024, 1024);
}
TEST(FlRendererTest, BlitFramebufferNvidia) {
::testing::NiceMock<flutter::testing::MockEpoxy> epoxy;
// OpenGL 3.0, but on NVIDIA driver so temporarily disabled due to
// https://github.com/flutter/flutter/issues/152099
ON_CALL(epoxy, glGetString(GL_VENDOR))
.WillByDefault(
::testing::Return(reinterpret_cast<const GLubyte*>("NVIDIA")));
ON_CALL(epoxy, epoxy_is_desktop_gl).WillByDefault(::testing::Return(true));
EXPECT_CALL(epoxy, epoxy_gl_version).WillRepeatedly(::testing::Return(30));
g_autoptr(FlMockRenderer) renderer =
fl_mock_renderer_new(&renderer_get_refresh_rate);
fl_renderer_setup(FL_RENDERER(renderer));
fl_renderer_wait_for_frame(FL_RENDERER(renderer), 1024, 1024);
FlutterBackingStoreConfig config = {
.struct_size = sizeof(FlutterBackingStoreConfig),
.size = {.width = 1024, .height = 1024}};
FlutterBackingStore backing_store;
fl_renderer_create_backing_store(FL_RENDERER(renderer), &config,
&backing_store);
const FlutterLayer layer0 = {.struct_size = sizeof(FlutterLayer),
.type = kFlutterLayerContentTypeBackingStore,
.backing_store = &backing_store,
.size = {.width = 1024, .height = 1024}};
const FlutterLayer* layers[] = {&layer0};
fl_renderer_present_layers(FL_RENDERER(renderer), 0, layers, 1);
fl_renderer_render(FL_RENDERER(renderer), 1024, 1024);
}