1 // Copyright 2014 The Chromium 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 "gpu/command_buffer/service/gles2_cmd_decoder.h"
6
7 #include "base/command_line.h"
8 #include "base/strings/string_number_conversions.h"
9 #include "gpu/command_buffer/common/gles2_cmd_format.h"
10 #include "gpu/command_buffer/common/gles2_cmd_utils.h"
11 #include "gpu/command_buffer/common/id_allocator.h"
12 #include "gpu/command_buffer/service/async_pixel_transfer_delegate_mock.h"
13 #include "gpu/command_buffer/service/async_pixel_transfer_manager.h"
14 #include "gpu/command_buffer/service/async_pixel_transfer_manager_mock.h"
15 #include "gpu/command_buffer/service/cmd_buffer_engine.h"
16 #include "gpu/command_buffer/service/context_group.h"
17 #include "gpu/command_buffer/service/context_state.h"
18 #include "gpu/command_buffer/service/gl_surface_mock.h"
19 #include "gpu/command_buffer/service/gles2_cmd_decoder_unittest.h"
20
21 #include "gpu/command_buffer/service/gpu_switches.h"
22 #include "gpu/command_buffer/service/image_manager.h"
23 #include "gpu/command_buffer/service/mailbox_manager.h"
24 #include "gpu/command_buffer/service/mocks.h"
25 #include "gpu/command_buffer/service/program_manager.h"
26 #include "gpu/command_buffer/service/test_helper.h"
27 #include "testing/gtest/include/gtest/gtest.h"
28 #include "ui/gl/gl_implementation.h"
29 #include "ui/gl/gl_mock.h"
30 #include "ui/gl/gl_surface_stub.h"
31
32 #if !defined(GL_DEPTH24_STENCIL8)
33 #define GL_DEPTH24_STENCIL8 0x88F0
34 #endif
35
36 using ::gfx::MockGLInterface;
37 using ::testing::_;
38 using ::testing::DoAll;
39 using ::testing::InSequence;
40 using ::testing::Invoke;
41 using ::testing::MatcherCast;
42 using ::testing::Mock;
43 using ::testing::Pointee;
44 using ::testing::Return;
45 using ::testing::SaveArg;
46 using ::testing::SetArrayArgument;
47 using ::testing::SetArgumentPointee;
48 using ::testing::SetArgPointee;
49 using ::testing::StrEq;
50 using ::testing::StrictMock;
51
52 namespace gpu {
53 namespace gles2 {
54
55 using namespace cmds;
56
57 class GLES2DecoderRestoreStateTest : public GLES2DecoderManualInitTest {
58 public:
GLES2DecoderRestoreStateTest()59 GLES2DecoderRestoreStateTest() {}
60
61 protected:
62 void AddExpectationsForActiveTexture(GLenum unit);
63 void AddExpectationsForBindTexture(GLenum target, GLuint id);
64 void InitializeContextState(ContextState* state,
65 uint32 non_default_unit,
66 uint32 active_unit);
67 };
68
69 INSTANTIATE_TEST_CASE_P(Service,
70 GLES2DecoderRestoreStateTest,
71 ::testing::Bool());
72
AddExpectationsForActiveTexture(GLenum unit)73 void GLES2DecoderRestoreStateTest::AddExpectationsForActiveTexture(
74 GLenum unit) {
75 EXPECT_CALL(*gl_, ActiveTexture(unit)).Times(1).RetiresOnSaturation();
76 }
77
AddExpectationsForBindTexture(GLenum target,GLuint id)78 void GLES2DecoderRestoreStateTest::AddExpectationsForBindTexture(GLenum target,
79 GLuint id) {
80 EXPECT_CALL(*gl_, BindTexture(target, id)).Times(1).RetiresOnSaturation();
81 }
82
InitializeContextState(ContextState * state,uint32 non_default_unit,uint32 active_unit)83 void GLES2DecoderRestoreStateTest::InitializeContextState(
84 ContextState* state,
85 uint32 non_default_unit,
86 uint32 active_unit) {
87 state->texture_units.resize(group().max_texture_units());
88 for (uint32 tt = 0; tt < state->texture_units.size(); ++tt) {
89 TextureRef* ref_cube_map =
90 group().texture_manager()->GetDefaultTextureInfo(GL_TEXTURE_CUBE_MAP);
91 state->texture_units[tt].bound_texture_cube_map = ref_cube_map;
92 TextureRef* ref_2d =
93 (tt == non_default_unit)
94 ? group().texture_manager()->GetTexture(client_texture_id_)
95 : group().texture_manager()->GetDefaultTextureInfo(GL_TEXTURE_2D);
96 state->texture_units[tt].bound_texture_2d = ref_2d;
97 }
98 state->active_texture_unit = active_unit;
99 }
100
TEST_P(GLES2DecoderRestoreStateTest,NullPreviousStateBGR)101 TEST_P(GLES2DecoderRestoreStateTest, NullPreviousStateBGR) {
102 InitState init;
103 init.gl_version = "3.0";
104 init.bind_generates_resource = true;
105 InitDecoder(init);
106 SetupTexture();
107
108 InSequence sequence;
109 // Expect to restore texture bindings for unit GL_TEXTURE0.
110 AddExpectationsForActiveTexture(GL_TEXTURE0);
111 AddExpectationsForBindTexture(GL_TEXTURE_2D, kServiceTextureId);
112 AddExpectationsForBindTexture(GL_TEXTURE_CUBE_MAP,
113 TestHelper::kServiceDefaultTextureCubemapId);
114
115 // Expect to restore texture bindings for remaining units.
116 for (uint32 i = 1; i < group().max_texture_units(); ++i) {
117 AddExpectationsForActiveTexture(GL_TEXTURE0 + i);
118 AddExpectationsForBindTexture(GL_TEXTURE_2D,
119 TestHelper::kServiceDefaultTexture2dId);
120 AddExpectationsForBindTexture(GL_TEXTURE_CUBE_MAP,
121 TestHelper::kServiceDefaultTextureCubemapId);
122 }
123
124 // Expect to restore the active texture unit to GL_TEXTURE0.
125 AddExpectationsForActiveTexture(GL_TEXTURE0);
126
127 GetDecoder()->RestoreAllTextureUnitBindings(NULL);
128 }
129
TEST_P(GLES2DecoderRestoreStateTest,NullPreviousState)130 TEST_P(GLES2DecoderRestoreStateTest, NullPreviousState) {
131 InitState init;
132 init.gl_version = "3.0";
133 InitDecoder(init);
134 SetupTexture();
135
136 InSequence sequence;
137 // Expect to restore texture bindings for unit GL_TEXTURE0.
138 AddExpectationsForActiveTexture(GL_TEXTURE0);
139 AddExpectationsForBindTexture(GL_TEXTURE_2D, kServiceTextureId);
140 AddExpectationsForBindTexture(GL_TEXTURE_CUBE_MAP, 0);
141
142 // Expect to restore texture bindings for remaining units.
143 for (uint32 i = 1; i < group().max_texture_units(); ++i) {
144 AddExpectationsForActiveTexture(GL_TEXTURE0 + i);
145 AddExpectationsForBindTexture(GL_TEXTURE_2D, 0);
146 AddExpectationsForBindTexture(GL_TEXTURE_CUBE_MAP, 0);
147 }
148
149 // Expect to restore the active texture unit to GL_TEXTURE0.
150 AddExpectationsForActiveTexture(GL_TEXTURE0);
151
152 GetDecoder()->RestoreAllTextureUnitBindings(NULL);
153 }
154
TEST_P(GLES2DecoderRestoreStateTest,WithPreviousStateBGR)155 TEST_P(GLES2DecoderRestoreStateTest, WithPreviousStateBGR) {
156 InitState init;
157 init.gl_version = "3.0";
158 init.bind_generates_resource = true;
159 InitDecoder(init);
160 SetupTexture();
161
162 // Construct a previous ContextState with all texture bindings
163 // set to default textures.
164 ContextState prev_state(NULL, NULL, NULL);
165 InitializeContextState(&prev_state, std::numeric_limits<uint32>::max(), 0);
166
167 InSequence sequence;
168 // Expect to restore only GL_TEXTURE_2D binding for GL_TEXTURE0 unit,
169 // since the rest of the bindings haven't changed between the current
170 // state and the |prev_state|.
171 AddExpectationsForActiveTexture(GL_TEXTURE0);
172 AddExpectationsForBindTexture(GL_TEXTURE_2D, kServiceTextureId);
173
174 // Expect to restore active texture unit to GL_TEXTURE0.
175 AddExpectationsForActiveTexture(GL_TEXTURE0);
176
177 GetDecoder()->RestoreAllTextureUnitBindings(&prev_state);
178 }
179
TEST_P(GLES2DecoderRestoreStateTest,WithPreviousState)180 TEST_P(GLES2DecoderRestoreStateTest, WithPreviousState) {
181 InitState init;
182 init.gl_version = "3.0";
183 InitDecoder(init);
184 SetupTexture();
185
186 // Construct a previous ContextState with all texture bindings
187 // set to default textures.
188 ContextState prev_state(NULL, NULL, NULL);
189 InitializeContextState(&prev_state, std::numeric_limits<uint32>::max(), 0);
190
191 InSequence sequence;
192 // Expect to restore only GL_TEXTURE_2D binding for GL_TEXTURE0 unit,
193 // since the rest of the bindings haven't changed between the current
194 // state and the |prev_state|.
195 AddExpectationsForActiveTexture(GL_TEXTURE0);
196 AddExpectationsForBindTexture(GL_TEXTURE_2D, kServiceTextureId);
197
198 // Expect to restore active texture unit to GL_TEXTURE0.
199 AddExpectationsForActiveTexture(GL_TEXTURE0);
200
201 GetDecoder()->RestoreAllTextureUnitBindings(&prev_state);
202 }
203
TEST_P(GLES2DecoderRestoreStateTest,ActiveUnit1)204 TEST_P(GLES2DecoderRestoreStateTest, ActiveUnit1) {
205 InitState init;
206 init.gl_version = "3.0";
207 InitDecoder(init);
208
209 // Bind a non-default texture to GL_TEXTURE1 unit.
210 EXPECT_CALL(*gl_, ActiveTexture(GL_TEXTURE1));
211 ActiveTexture cmd;
212 cmd.Init(GL_TEXTURE1);
213 EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
214 EXPECT_EQ(GL_NO_ERROR, GetGLError());
215 SetupTexture();
216
217 // Construct a previous ContextState with all texture bindings
218 // set to default textures.
219 ContextState prev_state(NULL, NULL, NULL);
220 InitializeContextState(&prev_state, std::numeric_limits<uint32>::max(), 0);
221
222 InSequence sequence;
223 // Expect to restore only GL_TEXTURE_2D binding for GL_TEXTURE1 unit,
224 // since the rest of the bindings haven't changed between the current
225 // state and the |prev_state|.
226 AddExpectationsForActiveTexture(GL_TEXTURE1);
227 AddExpectationsForBindTexture(GL_TEXTURE_2D, kServiceTextureId);
228
229 // Expect to restore active texture unit to GL_TEXTURE1.
230 AddExpectationsForActiveTexture(GL_TEXTURE1);
231
232 GetDecoder()->RestoreAllTextureUnitBindings(&prev_state);
233 }
234
TEST_P(GLES2DecoderRestoreStateTest,NonDefaultUnit0BGR)235 TEST_P(GLES2DecoderRestoreStateTest, NonDefaultUnit0BGR) {
236 InitState init;
237 init.gl_version = "3.0";
238 init.bind_generates_resource = true;
239 InitDecoder(init);
240
241 // Bind a non-default texture to GL_TEXTURE1 unit.
242 EXPECT_CALL(*gl_, ActiveTexture(GL_TEXTURE1));
243 SpecializedSetup<ActiveTexture, 0>(true);
244 ActiveTexture cmd;
245 cmd.Init(GL_TEXTURE1);
246 EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
247 EXPECT_EQ(GL_NO_ERROR, GetGLError());
248 SetupTexture();
249
250 // Construct a previous ContextState with GL_TEXTURE_2D target in
251 // GL_TEXTURE0 unit bound to a non-default texture and the rest
252 // set to default textures.
253 ContextState prev_state(NULL, NULL, NULL);
254 InitializeContextState(&prev_state, 0, kServiceTextureId);
255
256 InSequence sequence;
257 // Expect to restore GL_TEXTURE_2D binding for GL_TEXTURE0 unit to
258 // a default texture.
259 AddExpectationsForActiveTexture(GL_TEXTURE0);
260 AddExpectationsForBindTexture(GL_TEXTURE_2D,
261 TestHelper::kServiceDefaultTexture2dId);
262
263 // Expect to restore GL_TEXTURE_2D binding for GL_TEXTURE1 unit to
264 // non-default.
265 AddExpectationsForActiveTexture(GL_TEXTURE1);
266 AddExpectationsForBindTexture(GL_TEXTURE_2D, kServiceTextureId);
267
268 // Expect to restore active texture unit to GL_TEXTURE1.
269 AddExpectationsForActiveTexture(GL_TEXTURE1);
270
271 GetDecoder()->RestoreAllTextureUnitBindings(&prev_state);
272 }
273
TEST_P(GLES2DecoderRestoreStateTest,NonDefaultUnit1BGR)274 TEST_P(GLES2DecoderRestoreStateTest, NonDefaultUnit1BGR) {
275 InitState init;
276 init.gl_version = "3.0";
277 init.bind_generates_resource = true;
278 InitDecoder(init);
279
280 // Bind a non-default texture to GL_TEXTURE0 unit.
281 SetupTexture();
282
283 // Construct a previous ContextState with GL_TEXTURE_2D target in
284 // GL_TEXTURE1 unit bound to a non-default texture and the rest
285 // set to default textures.
286 ContextState prev_state(NULL, NULL, NULL);
287 InitializeContextState(&prev_state, 1, kServiceTextureId);
288
289 InSequence sequence;
290 // Expect to restore GL_TEXTURE_2D binding to the non-default texture
291 // for GL_TEXTURE0 unit.
292 AddExpectationsForActiveTexture(GL_TEXTURE0);
293 AddExpectationsForBindTexture(GL_TEXTURE_2D, kServiceTextureId);
294
295 // Expect to restore GL_TEXTURE_2D binding to the default texture
296 // for GL_TEXTURE1 unit.
297 AddExpectationsForActiveTexture(GL_TEXTURE1);
298 AddExpectationsForBindTexture(GL_TEXTURE_2D,
299 TestHelper::kServiceDefaultTexture2dId);
300
301 // Expect to restore active texture unit to GL_TEXTURE0.
302 AddExpectationsForActiveTexture(GL_TEXTURE0);
303
304 GetDecoder()->RestoreAllTextureUnitBindings(&prev_state);
305 }
306
TEST_P(GLES2DecoderRestoreStateTest,DefaultUnit0)307 TEST_P(GLES2DecoderRestoreStateTest, DefaultUnit0) {
308 InitState init;
309 init.gl_version = "3.0";
310 InitDecoder(init);
311
312 // Bind a non-default texture to GL_TEXTURE1 unit.
313 EXPECT_CALL(*gl_, ActiveTexture(GL_TEXTURE1));
314 SpecializedSetup<ActiveTexture, 0>(true);
315 ActiveTexture cmd;
316 cmd.Init(GL_TEXTURE1);
317 EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
318 EXPECT_EQ(GL_NO_ERROR, GetGLError());
319 SetupTexture();
320
321 // Construct a previous ContextState with GL_TEXTURE_2D target in
322 // GL_TEXTURE0 unit bound to a non-default texture and the rest
323 // set to default textures.
324 ContextState prev_state(NULL, NULL, NULL);
325 InitializeContextState(&prev_state, 0, kServiceTextureId);
326
327 InSequence sequence;
328 // Expect to restore GL_TEXTURE_2D binding for GL_TEXTURE0 unit to
329 // the 0 texture.
330 AddExpectationsForActiveTexture(GL_TEXTURE0);
331 AddExpectationsForBindTexture(GL_TEXTURE_2D, 0);
332
333 // Expect to restore GL_TEXTURE_2D binding for GL_TEXTURE1 unit to
334 // non-default.
335 AddExpectationsForActiveTexture(GL_TEXTURE1);
336 AddExpectationsForBindTexture(GL_TEXTURE_2D, kServiceTextureId);
337
338 // Expect to restore active texture unit to GL_TEXTURE1.
339 AddExpectationsForActiveTexture(GL_TEXTURE1);
340
341 GetDecoder()->RestoreAllTextureUnitBindings(&prev_state);
342 }
343
TEST_P(GLES2DecoderRestoreStateTest,DefaultUnit1)344 TEST_P(GLES2DecoderRestoreStateTest, DefaultUnit1) {
345 InitState init;
346 init.gl_version = "3.0";
347 InitDecoder(init);
348
349 // Bind a non-default texture to GL_TEXTURE0 unit.
350 SetupTexture();
351
352 // Construct a previous ContextState with GL_TEXTURE_2D target in
353 // GL_TEXTURE1 unit bound to a non-default texture and the rest
354 // set to default textures.
355 ContextState prev_state(NULL, NULL, NULL);
356 InitializeContextState(&prev_state, 1, kServiceTextureId);
357
358 InSequence sequence;
359 // Expect to restore GL_TEXTURE_2D binding to the non-default texture
360 // for GL_TEXTURE0 unit.
361 AddExpectationsForActiveTexture(GL_TEXTURE0);
362 AddExpectationsForBindTexture(GL_TEXTURE_2D, kServiceTextureId);
363
364 // Expect to restore GL_TEXTURE_2D binding to the 0 texture
365 // for GL_TEXTURE1 unit.
366 AddExpectationsForActiveTexture(GL_TEXTURE1);
367 AddExpectationsForBindTexture(GL_TEXTURE_2D, 0);
368
369 // Expect to restore active texture unit to GL_TEXTURE0.
370 AddExpectationsForActiveTexture(GL_TEXTURE0);
371
372 GetDecoder()->RestoreAllTextureUnitBindings(&prev_state);
373 }
374
TEST_P(GLES2DecoderManualInitTest,ContextStateCapabilityCaching)375 TEST_P(GLES2DecoderManualInitTest, ContextStateCapabilityCaching) {
376 struct TestInfo {
377 GLenum gl_enum;
378 bool default_state;
379 bool expect_set;
380 };
381
382 // TODO(vmiura): Should autogen this to match build_gles2_cmd_buffer.py.
383 TestInfo test[] = {{GL_BLEND, false, true},
384 {GL_CULL_FACE, false, true},
385 {GL_DEPTH_TEST, false, false},
386 {GL_DITHER, true, true},
387 {GL_POLYGON_OFFSET_FILL, false, true},
388 {GL_SAMPLE_ALPHA_TO_COVERAGE, false, true},
389 {GL_SAMPLE_COVERAGE, false, true},
390 {GL_SCISSOR_TEST, false, true},
391 {GL_STENCIL_TEST, false, false},
392 {0, false, false}};
393
394 InitState init;
395 init.gl_version = "2.1";
396 InitDecoder(init);
397
398 for (int i = 0; test[i].gl_enum; i++) {
399 bool enable_state = test[i].default_state;
400
401 // Test setting default state initially is ignored.
402 EnableDisableTest(test[i].gl_enum, enable_state, test[i].expect_set);
403
404 // Test new and cached state changes.
405 for (int n = 0; n < 3; n++) {
406 enable_state = !enable_state;
407 EnableDisableTest(test[i].gl_enum, enable_state, test[i].expect_set);
408 EnableDisableTest(test[i].gl_enum, enable_state, test[i].expect_set);
409 }
410 }
411 }
412
413 // TODO(vmiura): Tests for VAO restore.
414
415 // TODO(vmiura): Tests for ContextState::RestoreAttribute().
416
417 // TODO(vmiura): Tests for ContextState::RestoreBufferBindings().
418
419 // TODO(vmiura): Tests for ContextState::RestoreProgramBindings().
420
421 // TODO(vmiura): Tests for ContextState::RestoreRenderbufferBindings().
422
423 // TODO(vmiura): Tests for ContextState::RestoreProgramBindings().
424
425 // TODO(vmiura): Tests for ContextState::RestoreGlobalState().
426
427 } // namespace gles2
428 } // namespace gpu
429