Flutter Linux Embedder
fl_renderer_test.cc
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1 // Copyright 2013 The Flutter Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #include "gtest/gtest.h"
6 
7 #include "flutter/common/constants.h"
8 #include "flutter/fml/logging.h"
9 #include "flutter/shell/platform/linux/fl_framebuffer.h"
10 #include "flutter/shell/platform/linux/testing/mock_epoxy.h"
11 #include "flutter/shell/platform/linux/testing/mock_renderer.h"
12 
13 #include <epoxy/egl.h>
14 
15 TEST(FlRendererTest, BackgroundColor) {
16  ::testing::NiceMock<flutter::testing::MockEpoxy> epoxy;
17 
18  ON_CALL(epoxy, epoxy_is_desktop_gl).WillByDefault(::testing::Return(true));
19  EXPECT_CALL(epoxy, epoxy_gl_version).WillRepeatedly(::testing::Return(30));
20  ON_CALL(epoxy, glGetString(GL_VENDOR))
21  .WillByDefault(
22  ::testing::Return(reinterpret_cast<const GLubyte*>("Intel")));
23  EXPECT_CALL(epoxy, glClearColor(0.2, 0.3, 0.4, 0.5));
24 
25  g_autoptr(FlMockRenderable) renderable = fl_mock_renderable_new();
26  g_autoptr(FlMockRenderer) renderer = fl_mock_renderer_new();
27  fl_renderer_setup(FL_RENDERER(renderer));
28  fl_renderer_add_renderable(FL_RENDERER(renderer),
29  flutter::kFlutterImplicitViewId,
30  FL_RENDERABLE(renderable));
31  fl_renderer_wait_for_frame(FL_RENDERER(renderer), 1024, 1024);
32  FlutterBackingStoreConfig config = {
33  .struct_size = sizeof(FlutterBackingStoreConfig),
34  .size = {.width = 1024, .height = 1024}};
35  FlutterBackingStore backing_store;
36  fl_renderer_create_backing_store(FL_RENDERER(renderer), &config,
37  &backing_store);
38  const FlutterLayer layer0 = {.struct_size = sizeof(FlutterLayer),
39  .type = kFlutterLayerContentTypeBackingStore,
40  .backing_store = &backing_store,
41  .size = {.width = 1024, .height = 1024}};
42  const FlutterLayer* layers[] = {&layer0};
43  fl_renderer_present_layers(FL_RENDERER(renderer),
44  flutter::kFlutterImplicitViewId, layers, 1);
45  GdkRGBA background_color = {
46  .red = 0.2, .green = 0.3, .blue = 0.4, .alpha = 0.5};
47  fl_renderer_render(FL_RENDERER(renderer), flutter::kFlutterImplicitViewId,
48  1024, 1024, &background_color);
49 }
50 
51 TEST(FlRendererTest, RestoresGLState) {
52  ::testing::NiceMock<flutter::testing::MockEpoxy> epoxy;
53 
54  constexpr int kWidth = 100;
55  constexpr int kHeight = 100;
56 
57  g_autoptr(FlMockRenderable) renderable = fl_mock_renderable_new();
58  g_autoptr(FlMockRenderer) renderer = fl_mock_renderer_new();
59  g_autoptr(FlFramebuffer) framebuffer =
60  fl_framebuffer_new(GL_RGB, kWidth, kHeight);
61 
62  fl_renderer_add_renderable(FL_RENDERER(renderer),
63  flutter::kFlutterImplicitViewId,
64  FL_RENDERABLE(renderable));
65  fl_renderer_wait_for_frame(FL_RENDERER(renderer), kWidth, kHeight);
66 
67  FlutterBackingStore backing_store;
68  backing_store.type = kFlutterBackingStoreTypeOpenGL;
69  backing_store.open_gl.framebuffer.user_data = framebuffer;
70 
71  FlutterLayer layer;
72  layer.type = kFlutterLayerContentTypeBackingStore;
73  layer.backing_store = &backing_store;
74  layer.offset = {0, 0};
75  layer.size = {kWidth, kHeight};
76 
77  std::array<const FlutterLayer*, 1> layers = {&layer};
78 
79  constexpr GLuint kFakeTextureName = 123;
80  glBindTexture(GL_TEXTURE_2D, kFakeTextureName);
81 
82  fl_renderer_present_layers(FL_RENDERER(renderer),
83  flutter::kFlutterImplicitViewId, layers.data(),
84  layers.size());
85  GdkRGBA background_color = {
86  .red = 0.0, .green = 0.0, .blue = 0.0, .alpha = 1.0};
87  fl_renderer_render(FL_RENDERER(renderer), flutter::kFlutterImplicitViewId,
88  kWidth, kHeight, &background_color);
89 
90  GLuint texture_2d_binding;
91  glGetIntegerv(GL_TEXTURE_BINDING_2D,
92  reinterpret_cast<GLint*>(&texture_2d_binding));
93  EXPECT_EQ(texture_2d_binding, kFakeTextureName);
94 }
95 
96 TEST(FlRendererTest, BlitFramebuffer) {
97  ::testing::NiceMock<flutter::testing::MockEpoxy> epoxy;
98 
99  // OpenGL 3.0
100  ON_CALL(epoxy, glGetString(GL_VENDOR))
101  .WillByDefault(
102  ::testing::Return(reinterpret_cast<const GLubyte*>("Intel")));
103  ON_CALL(epoxy, epoxy_is_desktop_gl).WillByDefault(::testing::Return(true));
104  EXPECT_CALL(epoxy, epoxy_gl_version).WillRepeatedly(::testing::Return(30));
105 
106  EXPECT_CALL(epoxy, glBlitFramebuffer);
107 
108  g_autoptr(FlMockRenderable) renderable = fl_mock_renderable_new();
109  g_autoptr(FlMockRenderer) renderer = fl_mock_renderer_new();
110  fl_renderer_setup(FL_RENDERER(renderer));
111  fl_renderer_add_renderable(FL_RENDERER(renderer),
112  flutter::kFlutterImplicitViewId,
113  FL_RENDERABLE(renderable));
114  fl_renderer_wait_for_frame(FL_RENDERER(renderer), 1024, 1024);
115  FlutterBackingStoreConfig config = {
116  .struct_size = sizeof(FlutterBackingStoreConfig),
117  .size = {.width = 1024, .height = 1024}};
118  FlutterBackingStore backing_store;
119  fl_renderer_create_backing_store(FL_RENDERER(renderer), &config,
120  &backing_store);
121  const FlutterLayer layer0 = {.struct_size = sizeof(FlutterLayer),
122  .type = kFlutterLayerContentTypeBackingStore,
123  .backing_store = &backing_store,
124  .size = {.width = 1024, .height = 1024}};
125  const FlutterLayer* layers[] = {&layer0};
126  fl_renderer_present_layers(FL_RENDERER(renderer),
127  flutter::kFlutterImplicitViewId, layers, 1);
128  GdkRGBA background_color = {
129  .red = 0.0, .green = 0.0, .blue = 0.0, .alpha = 1.0};
130  fl_renderer_render(FL_RENDERER(renderer), flutter::kFlutterImplicitViewId,
131  1024, 1024, &background_color);
132 }
133 
134 TEST(FlRendererTest, BlitFramebufferExtension) {
135  ::testing::NiceMock<flutter::testing::MockEpoxy> epoxy;
136 
137  // OpenGL 2.0 with GL_EXT_framebuffer_blit extension
138  ON_CALL(epoxy, glGetString(GL_VENDOR))
139  .WillByDefault(
140  ::testing::Return(reinterpret_cast<const GLubyte*>("Intel")));
141  ON_CALL(epoxy, epoxy_is_desktop_gl).WillByDefault(::testing::Return(true));
142  EXPECT_CALL(epoxy, epoxy_gl_version).WillRepeatedly(::testing::Return(20));
143  EXPECT_CALL(epoxy, epoxy_has_gl_extension(::testing::_))
144  .WillRepeatedly(::testing::Return(false));
145  EXPECT_CALL(epoxy, epoxy_has_gl_extension(
146  ::testing::StrEq("GL_EXT_framebuffer_blit")))
147  .WillRepeatedly(::testing::Return(true));
148 
149  EXPECT_CALL(epoxy, glBlitFramebuffer);
150 
151  g_autoptr(FlMockRenderable) renderable = fl_mock_renderable_new();
152  g_autoptr(FlMockRenderer) renderer = fl_mock_renderer_new();
153  fl_renderer_setup(FL_RENDERER(renderer));
154  fl_renderer_add_renderable(FL_RENDERER(renderer),
155  flutter::kFlutterImplicitViewId,
156  FL_RENDERABLE(renderable));
157  fl_renderer_wait_for_frame(FL_RENDERER(renderer), 1024, 1024);
158  FlutterBackingStoreConfig config = {
159  .struct_size = sizeof(FlutterBackingStoreConfig),
160  .size = {.width = 1024, .height = 1024}};
161  FlutterBackingStore backing_store;
162  fl_renderer_create_backing_store(FL_RENDERER(renderer), &config,
163  &backing_store);
164  const FlutterLayer layer0 = {.struct_size = sizeof(FlutterLayer),
165  .type = kFlutterLayerContentTypeBackingStore,
166  .backing_store = &backing_store,
167  .size = {.width = 1024, .height = 1024}};
168  const FlutterLayer* layers[] = {&layer0};
169  fl_renderer_present_layers(FL_RENDERER(renderer),
170  flutter::kFlutterImplicitViewId, layers, 1);
171  GdkRGBA background_color = {
172  .red = 0.0, .green = 0.0, .blue = 0.0, .alpha = 1.0};
173  fl_renderer_render(FL_RENDERER(renderer), flutter::kFlutterImplicitViewId,
174  1024, 1024, &background_color);
175 }
176 
177 TEST(FlRendererTest, NoBlitFramebuffer) {
178  ::testing::NiceMock<flutter::testing::MockEpoxy> epoxy;
179 
180  // OpenGL 2.0
181  ON_CALL(epoxy, glGetString(GL_VENDOR))
182  .WillByDefault(
183  ::testing::Return(reinterpret_cast<const GLubyte*>("Intel")));
184  ON_CALL(epoxy, epoxy_is_desktop_gl).WillByDefault(::testing::Return(true));
185  EXPECT_CALL(epoxy, epoxy_gl_version).WillRepeatedly(::testing::Return(20));
186 
187  g_autoptr(FlMockRenderable) renderable = fl_mock_renderable_new();
188  g_autoptr(FlMockRenderer) renderer = fl_mock_renderer_new();
189  fl_renderer_setup(FL_RENDERER(renderer));
190  fl_renderer_add_renderable(FL_RENDERER(renderer),
191  flutter::kFlutterImplicitViewId,
192  FL_RENDERABLE(renderable));
193  fl_renderer_wait_for_frame(FL_RENDERER(renderer), 1024, 1024);
194  FlutterBackingStoreConfig config = {
195  .struct_size = sizeof(FlutterBackingStoreConfig),
196  .size = {.width = 1024, .height = 1024}};
197  FlutterBackingStore backing_store;
198  fl_renderer_create_backing_store(FL_RENDERER(renderer), &config,
199  &backing_store);
200  const FlutterLayer layer0 = {.struct_size = sizeof(FlutterLayer),
201  .type = kFlutterLayerContentTypeBackingStore,
202  .backing_store = &backing_store,
203  .size = {.width = 1024, .height = 1024}};
204  const FlutterLayer* layers[] = {&layer0};
205  fl_renderer_present_layers(FL_RENDERER(renderer),
206  flutter::kFlutterImplicitViewId, layers, 1);
207  GdkRGBA background_color = {
208  .red = 0.0, .green = 0.0, .blue = 0.0, .alpha = 1.0};
209  fl_renderer_render(FL_RENDERER(renderer), flutter::kFlutterImplicitViewId,
210  1024, 1024, &background_color);
211 }
212 
213 TEST(FlRendererTest, BlitFramebufferNvidia) {
214  ::testing::NiceMock<flutter::testing::MockEpoxy> epoxy;
215 
216  // OpenGL 3.0, but on NVIDIA driver so temporarily disabled due to
217  // https://github.com/flutter/flutter/issues/152099
218  ON_CALL(epoxy, glGetString(GL_VENDOR))
219  .WillByDefault(
220  ::testing::Return(reinterpret_cast<const GLubyte*>("NVIDIA")));
221  ON_CALL(epoxy, epoxy_is_desktop_gl).WillByDefault(::testing::Return(true));
222  EXPECT_CALL(epoxy, epoxy_gl_version).WillRepeatedly(::testing::Return(30));
223 
224  g_autoptr(FlMockRenderable) renderable = fl_mock_renderable_new();
225  g_autoptr(FlMockRenderer) renderer = fl_mock_renderer_new();
226  fl_renderer_setup(FL_RENDERER(renderer));
227  fl_renderer_add_renderable(FL_RENDERER(renderer),
228  flutter::kFlutterImplicitViewId,
229  FL_RENDERABLE(renderable));
230  fl_renderer_wait_for_frame(FL_RENDERER(renderer), 1024, 1024);
231  FlutterBackingStoreConfig config = {
232  .struct_size = sizeof(FlutterBackingStoreConfig),
233  .size = {.width = 1024, .height = 1024}};
234  FlutterBackingStore backing_store;
235  fl_renderer_create_backing_store(FL_RENDERER(renderer), &config,
236  &backing_store);
237  const FlutterLayer layer0 = {.struct_size = sizeof(FlutterLayer),
238  .type = kFlutterLayerContentTypeBackingStore,
239  .backing_store = &backing_store,
240  .size = {.width = 1024, .height = 1024}};
241  const FlutterLayer* layers[] = {&layer0};
242  fl_renderer_present_layers(FL_RENDERER(renderer),
243  flutter::kFlutterImplicitViewId, layers, 1);
244  GdkRGBA background_color = {
245  .red = 0.0, .green = 0.0, .blue = 0.0, .alpha = 1.0};
246  fl_renderer_render(FL_RENDERER(renderer), flutter::kFlutterImplicitViewId,
247  1024, 1024, &background_color);
248 }
249 
250 TEST(FlRendererTest, MultiView) {
251  ::testing::NiceMock<flutter::testing::MockEpoxy> epoxy;
252 
253  // OpenGL 3.0
254  ON_CALL(epoxy, glGetString(GL_VENDOR))
255  .WillByDefault(
256  ::testing::Return(reinterpret_cast<const GLubyte*>("Intel")));
257  ON_CALL(epoxy, epoxy_is_desktop_gl).WillByDefault(::testing::Return(true));
258  EXPECT_CALL(epoxy, epoxy_gl_version).WillRepeatedly(::testing::Return(30));
259 
260  g_autoptr(FlMockRenderable) renderable = fl_mock_renderable_new();
261  g_autoptr(FlMockRenderable) secondary_renderable = fl_mock_renderable_new();
262 
263  g_autoptr(FlMockRenderer) renderer = fl_mock_renderer_new();
264  fl_renderer_setup(FL_RENDERER(renderer));
265  fl_renderer_add_renderable(FL_RENDERER(renderer),
266  flutter::kFlutterImplicitViewId,
267  FL_RENDERABLE(renderable));
268  fl_renderer_add_renderable(FL_RENDERER(renderer), 1,
269  FL_RENDERABLE(secondary_renderable));
270  fl_renderer_wait_for_frame(FL_RENDERER(renderer), 1024, 1024);
271 
272  EXPECT_EQ(fl_mock_renderable_get_redraw_count(renderable),
273  static_cast<size_t>(0));
274  EXPECT_EQ(fl_mock_renderable_get_redraw_count(secondary_renderable),
275  static_cast<size_t>(0));
276 
277  FlutterBackingStoreConfig config = {
278  .struct_size = sizeof(FlutterBackingStoreConfig),
279  .size = {.width = 1024, .height = 1024}};
280  FlutterBackingStore backing_store;
281  fl_renderer_create_backing_store(FL_RENDERER(renderer), &config,
282  &backing_store);
283  const FlutterLayer layer0 = {.struct_size = sizeof(FlutterLayer),
284  .type = kFlutterLayerContentTypeBackingStore,
285  .backing_store = &backing_store,
286  .size = {.width = 1024, .height = 1024}};
287  const FlutterLayer* layers[] = {&layer0};
288  fl_renderer_present_layers(FL_RENDERER(renderer), 1, layers, 1);
289 
290  EXPECT_EQ(fl_mock_renderable_get_redraw_count(renderable),
291  static_cast<size_t>(0));
292  EXPECT_EQ(fl_mock_renderable_get_redraw_count(secondary_renderable),
293  static_cast<size_t>(1));
294 }
fl_renderer_wait_for_frame
void fl_renderer_wait_for_frame(FlRenderer *self, int target_width, int target_height)
Definition: fl_renderer.cc:433
fl_renderer_present_layers
gboolean fl_renderer_present_layers(FlRenderer *self, FlutterViewId view_id, const FlutterLayer **layers, size_t layers_count)
Definition: fl_renderer.cc:453
type
uint8_t type
Definition: fl_standard_message_codec_test.cc:1115
fl_framebuffer_new
FlFramebuffer * fl_framebuffer_new(GLint format, size_t width, size_t height)
Definition: fl_framebuffer.cc:42
fl_framebuffer.h
TEST
TEST(FlRendererTest, BackgroundColor)
Definition: fl_renderer_test.cc:15
fl_renderer_render
void fl_renderer_render(FlRenderer *self, FlutterViewId view_id, int width, int height, const GdkRGBA *background_color)
Definition: fl_renderer.cc:585
fl_renderer_create_backing_store
gboolean fl_renderer_create_backing_store(FlRenderer *self, const FlutterBackingStoreConfig *config, FlutterBackingStore *backing_store_out)
Definition: fl_renderer.cc:391
fl_renderer_add_renderable
void fl_renderer_add_renderable(FlRenderer *self, FlutterViewId view_id, FlRenderable *renderable)
Definition: fl_renderer.cc:341
fl_renderer_setup
void fl_renderer_setup(FlRenderer *self)
Definition: fl_renderer.cc:567