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gerrit-public.fairphone.software / platform / external / angle / 75ec7c5bda0d57d216527500ff431429cde9f3ba / . / tests / angle_tests / BlitFramebufferANGLETest.cpp
blob: 65302c955ff9bb768db072924eaf8887a1c1cf35 [file] [log] [blame]
Geoff Lange8a1f782013-10-18 16:14:30 -0400[diff] [blame]1#include "ANGLETest.h"
2
3class BlitFramebufferANGLETest : public ANGLETest
4{
5protected:
6 BlitFramebufferANGLETest()
7 {
8 setWindowWidth(256);
9 setWindowHeight(256);
Geoff Langefc551f2013-10-31 10:20:28 -0400[diff] [blame]10 setConfigRedBits(8);
11 setConfigGreenBits(8);
12 setConfigBlueBits(8);
13 setConfigAlphaBits(8);
14 setConfigDepthBits(24);
Geoff Lange8a1f782013-10-18 16:14:30 -0400[diff] [blame]15
16 mCheckerProgram = 0;
17 mBlueProgram = 0;
18
19 mOriginalFBO = 0;
20
21 mUserFBO = 0;
22 mUserColorBuffer = 0;
23 mUserDepthStencilBuffer = 0;
24
25 mSmallFBO = 0;
26 mSmallColorBuffer = 0;
27 mSmallDepthStencilBuffer = 0;
28
29 mColorOnlyFBO = 0;
30 mColorOnlyColorBuffer = 0;
31
32 mDiffFormatFBO = 0;
33 mDiffFormatColorBuffer = 0;
34
35 mDiffSizeFBO = 0;
36 mDiffSizeColorBuffer = 0;
37
38 mMRTFBO = 0;
39 mMRTColorBuffer0 = 0;
40 mMRTColorBuffer1 = 0;
Jamie Madillc93d6f32014-04-15 16:12:41 -0400[diff] [blame]41
42 mRGBAColorbuffer = 0;
43 mRGBAFBO = 0;
44
45 mBGRAMultisampledRenderbuffer = 0;
46 mBGRAMultisampledFBO = 0;
Geoff Lange8a1f782013-10-18 16:14:30 -0400[diff] [blame]47 }
48
49 virtual void SetUp()
50 {
51 ANGLETest::SetUp();
52
53 const std::string passthroughVS = SHADER_SOURCE
54 (
55 precision highp float;
56 attribute vec4 position;
57 varying vec4 pos;
58
59 void main()
60 {
61 gl_Position = position;
62 pos = position;
63 }
64 );
65
66 const std::string checkeredFS = SHADER_SOURCE
67 (
68 precision highp float;
69 varying vec4 pos;
70
71 void main()
72 {
73 if (pos.x * pos.y > 0.0)
74 {
75 gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0);
76 }
77 else
78 {
79 gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0);
80 }
81 }
82 );
83
84 const std::string blueFS = SHADER_SOURCE
85 (
86 precision highp float;
87 varying vec4 pos;
88
89 void main()
90 {
91 gl_FragColor = vec4(0.0, 0.0, 1.0, 1.0);
92 }
93 );
94
95 mCheckerProgram = compileProgram(passthroughVS, checkeredFS);
96 mBlueProgram = compileProgram(passthroughVS, blueFS);
97 if (mCheckerProgram == 0 || mBlueProgram == 0)
98 {
99 FAIL() << "shader compilation failed.";
100 }
101
102 EXPECT_GL_NO_ERROR();
103
104 GLint originalFBO;
105 glGetIntegerv(GL_FRAMEBUFFER_BINDING, &originalFBO);
106 if (originalFBO >= 0)
107 {
108 mOriginalFBO = (GLuint)originalFBO;
109 }
110
111 GLenum format = GL_BGRA8_EXT;
112
113 glGenFramebuffers(1, &mUserFBO);
114 glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO);
115 glGenTextures(1, &mUserColorBuffer);
116 glGenRenderbuffers(1, &mUserDepthStencilBuffer);
117 glBindTexture(GL_TEXTURE_2D, mUserColorBuffer);
118 glTexStorage2DEXT(GL_TEXTURE_2D, 1, format, getWindowWidth(), getWindowHeight());
119 glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mUserColorBuffer, 0);
120 glBindRenderbuffer(GL_RENDERBUFFER, mUserDepthStencilBuffer);
121 glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8_OES, getWindowWidth(), getWindowHeight());
122 glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, mUserDepthStencilBuffer);
123 glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, mUserDepthStencilBuffer);
124
Jamie Madillc93d6f32014-04-15 16:12:41 -0400[diff] [blame]125 ASSERT_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER));
Geoff Lange8a1f782013-10-18 16:14:30 -0400[diff] [blame]126 ASSERT_GL_NO_ERROR();
127
128 glGenFramebuffers(1, &mSmallFBO);
129 glBindFramebuffer(GL_FRAMEBUFFER, mSmallFBO);
130 glGenTextures(1, &mSmallColorBuffer);
131 glGenRenderbuffers(1, &mSmallDepthStencilBuffer);
132 glBindTexture(GL_TEXTURE_2D, mSmallColorBuffer);
133 glTexStorage2DEXT(GL_TEXTURE_2D, 1, format, getWindowWidth() / 2, getWindowHeight() / 2);
134 glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mSmallColorBuffer, 0);
135 glBindRenderbuffer(GL_RENDERBUFFER, mSmallDepthStencilBuffer);
136 glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8_OES, getWindowWidth() / 2, getWindowHeight() / 2);
137 glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, mSmallDepthStencilBuffer);
138 glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, mSmallDepthStencilBuffer);
139
Jamie Madillc93d6f32014-04-15 16:12:41 -0400[diff] [blame]140 ASSERT_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER));
Geoff Lange8a1f782013-10-18 16:14:30 -0400[diff] [blame]141 ASSERT_GL_NO_ERROR();
142
143 glGenFramebuffers(1, &mColorOnlyFBO);
144 glBindFramebuffer(GL_FRAMEBUFFER, mColorOnlyFBO);
145 glGenTextures(1, &mColorOnlyColorBuffer);
146 glBindTexture(GL_TEXTURE_2D, mColorOnlyColorBuffer);
147 glTexStorage2DEXT(GL_TEXTURE_2D, 1, format, getWindowWidth(), getWindowHeight());
148 glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mColorOnlyColorBuffer, 0);
149
Jamie Madillc93d6f32014-04-15 16:12:41 -0400[diff] [blame]150 ASSERT_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER));
Geoff Lange8a1f782013-10-18 16:14:30 -0400[diff] [blame]151 ASSERT_GL_NO_ERROR();
152
153 glGenFramebuffers(1, &mDiffFormatFBO);
154 glBindFramebuffer(GL_FRAMEBUFFER, mDiffFormatFBO);
155 glGenTextures(1, &mDiffFormatColorBuffer);
156 glBindTexture(GL_TEXTURE_2D, mDiffFormatColorBuffer);
157 glTexStorage2DEXT(GL_TEXTURE_2D, 1, GL_RGB565, getWindowWidth(), getWindowHeight());
158 glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mDiffFormatColorBuffer, 0);
159
Jamie Madillc93d6f32014-04-15 16:12:41 -0400[diff] [blame]160 ASSERT_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER));
Geoff Lange8a1f782013-10-18 16:14:30 -0400[diff] [blame]161 ASSERT_GL_NO_ERROR();
162
163 glGenFramebuffers(1, &mDiffSizeFBO);
164 glBindFramebuffer(GL_FRAMEBUFFER, mDiffSizeFBO);
165 glGenTextures(1, &mDiffSizeColorBuffer);
166 glBindTexture(GL_TEXTURE_2D, mDiffSizeColorBuffer);
167 glTexStorage2DEXT(GL_TEXTURE_2D, 1, format, getWindowWidth()*2, getWindowHeight()*2);
168 glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mDiffSizeColorBuffer, 0);
169
Jamie Madillc93d6f32014-04-15 16:12:41 -0400[diff] [blame]170 ASSERT_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER));
Geoff Lange8a1f782013-10-18 16:14:30 -0400[diff] [blame]171 ASSERT_GL_NO_ERROR();
172
173 if (extensionEnabled("GL_EXT_draw_buffers"))
174 {
175 glGenFramebuffers(1, &mMRTFBO);
176 glBindFramebuffer(GL_FRAMEBUFFER, mMRTFBO);
177 glGenTextures(1, &mMRTColorBuffer0);
178 glGenTextures(1, &mMRTColorBuffer1);
179 glBindTexture(GL_TEXTURE_2D, mMRTColorBuffer0);
180 glTexStorage2DEXT(GL_TEXTURE_2D, 1, format, getWindowWidth(), getWindowHeight());
181 glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, mMRTColorBuffer0, 0);
182 glBindTexture(GL_TEXTURE_2D, mMRTColorBuffer1);
183 glTexStorage2DEXT(GL_TEXTURE_2D, 1, format, getWindowWidth(), getWindowHeight());
184 glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT1_EXT, GL_TEXTURE_2D, mMRTColorBuffer1, 0);
185
Jamie Madillc93d6f32014-04-15 16:12:41 -0400[diff] [blame]186 ASSERT_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER));
Geoff Lange8a1f782013-10-18 16:14:30 -0400[diff] [blame]187 ASSERT_GL_NO_ERROR();
188 }
189
Jamie Madillc93d6f32014-04-15 16:12:41 -0400[diff] [blame]190 if (extensionEnabled("GL_ANGLE_framebuffer_multisample"))
191 {
192 // Test blit between RGBA and multisampled BGRA
193 glGenTextures(1, &mRGBAColorbuffer);
194 glBindTexture(GL_TEXTURE_2D, mRGBAColorbuffer);
195 glTexStorage2DEXT(GL_TEXTURE_2D, 1, GL_RGBA8_OES, getWindowWidth(), getWindowHeight());
196
197 glGenFramebuffers(1, &mRGBAFBO);
198 glBindFramebuffer(GL_FRAMEBUFFER, mRGBAFBO);
199 glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mRGBAColorbuffer, 0);
200
201 ASSERT_GL_NO_ERROR();
202 ASSERT_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER));
203
204 glGenRenderbuffers(1, &mBGRAMultisampledRenderbuffer);
205 glBindRenderbuffer(GL_RENDERBUFFER, mBGRAMultisampledRenderbuffer);
206 glRenderbufferStorageMultisampleANGLE(GL_RENDERBUFFER, 1, GL_BGRA8_EXT, getWindowWidth(), getWindowHeight());
207
208 glGenFramebuffers(1, &mBGRAMultisampledFBO);
209 glBindFramebuffer(GL_FRAMEBUFFER, mBGRAMultisampledFBO);
210 glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, mBGRAMultisampledRenderbuffer);
211
212 ASSERT_GL_NO_ERROR();
213 ASSERT_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER));
214 }
215
Geoff Lange8a1f782013-10-18 16:14:30 -0400[diff] [blame]216 glBindFramebuffer(GL_FRAMEBUFFER, mOriginalFBO);
217 }
218
219 virtual void TearDown()
220 {
221 glDeleteProgram(mCheckerProgram);
222 glDeleteProgram(mBlueProgram);
223
224 glDeleteFramebuffers(1, &mUserFBO);
225 glDeleteTextures(1, &mUserColorBuffer);
226 glDeleteRenderbuffers(1, &mUserDepthStencilBuffer);
227
228 glDeleteFramebuffers(1, &mSmallFBO);
229 glDeleteTextures(1, &mSmallColorBuffer);
230 glDeleteRenderbuffers(1, &mSmallDepthStencilBuffer);
231
232 glDeleteFramebuffers(1, &mColorOnlyFBO);
233 glDeleteTextures(1, &mSmallDepthStencilBuffer);
234
235 glDeleteFramebuffers(1, &mDiffFormatFBO);
236 glDeleteTextures(1, &mDiffFormatColorBuffer);
237
238 glDeleteFramebuffers(1, &mDiffSizeFBO);
239 glDeleteTextures(1, &mDiffSizeColorBuffer);
240
241 if (extensionEnabled("GL_EXT_draw_buffers"))
242 {
243 glDeleteFramebuffers(1, &mMRTFBO);
244 glDeleteTextures(1, &mMRTColorBuffer0);
245 glDeleteTextures(1, &mMRTColorBuffer1);
246 }
247
Jamie Madillc93d6f32014-04-15 16:12:41 -0400[diff] [blame]248 if (mRGBAColorbuffer != 0)
249 {
250 glDeleteTextures(1, &mRGBAColorbuffer);
251 }
252
253 if (mRGBAFBO != 0)
254 {
255 glDeleteFramebuffers(1, &mBGRAMultisampledFBO);
256 }
257
258 if (mBGRAMultisampledRenderbuffer != 0)
259 {
260 glDeleteRenderbuffers(1, &mBGRAMultisampledRenderbuffer);
261 }
262
263 if (mBGRAMultisampledFBO != 0)
264 {
265 glDeleteFramebuffers(1, &mBGRAMultisampledFBO);
266 }
267
Geoff Lange8a1f782013-10-18 16:14:30 -0400[diff] [blame]268 ANGLETest::TearDown();
269 }
270
271 GLuint mCheckerProgram;
272 GLuint mBlueProgram;
273
274 GLuint mOriginalFBO;
275
276 GLuint mUserFBO;
277 GLuint mUserColorBuffer;
278 GLuint mUserDepthStencilBuffer;
279
280 GLuint mSmallFBO;
281 GLuint mSmallColorBuffer;
282 GLuint mSmallDepthStencilBuffer;
283
284 GLuint mColorOnlyFBO;
285 GLuint mColorOnlyColorBuffer;
286
287 GLuint mDiffFormatFBO;
288 GLuint mDiffFormatColorBuffer;
289
290 GLuint mDiffSizeFBO;
291 GLuint mDiffSizeColorBuffer;
292
293 GLuint mMRTFBO;
294 GLuint mMRTColorBuffer0;
295 GLuint mMRTColorBuffer1;
Jamie Madillc93d6f32014-04-15 16:12:41 -0400[diff] [blame]296
297 GLuint mRGBAColorbuffer;
298 GLuint mRGBAFBO;
299
300 GLuint mBGRAMultisampledRenderbuffer;
301 GLuint mBGRAMultisampledFBO;
Geoff Lange8a1f782013-10-18 16:14:30 -0400[diff] [blame]302};
303
304// Draw to user-created framebuffer, blit whole-buffer color to original framebuffer.
305TEST_F(BlitFramebufferANGLETest, blit_color_to_default)
306{
307 glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO);
308
309 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
310
311 drawQuad(mCheckerProgram, "position", 0.8f);
312
313 EXPECT_GL_NO_ERROR();
314
315 glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mUserFBO);
316 glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mOriginalFBO);
317
318 glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(),
319 GL_COLOR_BUFFER_BIT, GL_NEAREST);
320
321 EXPECT_GL_NO_ERROR();
322
323 glBindFramebuffer(GL_FRAMEBUFFER, mOriginalFBO);
324
325 EXPECT_PIXEL_EQ( getWindowWidth() / 4, getWindowHeight() / 4, 255, 0, 0, 255);
326 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 0, 255, 0, 255);
327 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 0, 0, 255);
328 EXPECT_PIXEL_EQ( getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 255, 0, 255);
329}
330
331// Draw to system framebuffer, blit whole-buffer color to user-created framebuffer.
332TEST_F(BlitFramebufferANGLETest, reverse_color_blit)
333{
334 glBindFramebuffer(GL_FRAMEBUFFER, mOriginalFBO);
335
336 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
337
338 drawQuad(mCheckerProgram, "position", 0.8f);
339
340 EXPECT_GL_NO_ERROR();
341
342 glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mOriginalFBO);
343 glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mUserFBO);
344
345 glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(),
346 GL_COLOR_BUFFER_BIT, GL_NEAREST);
347
348 EXPECT_GL_NO_ERROR();
349
350 glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO);
351
352 EXPECT_PIXEL_EQ( getWindowWidth() / 4, getWindowHeight() / 4, 255, 0, 0, 255);
353 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 0, 255, 0, 255);
354 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 0, 0, 255);
355 EXPECT_PIXEL_EQ( getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 255, 0, 255);
356}
357
358// blit from user-created FBO to system framebuffer, with the scissor test enabled.
359TEST_F(BlitFramebufferANGLETest, scissored_blit)
360{
361 glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO);
362
363 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
364
365 drawQuad(mCheckerProgram, "position", 0.8f);
366
367 EXPECT_GL_NO_ERROR();
368
369 glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mOriginalFBO);
370 glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mUserFBO);
371
372 glClearColor(1.0, 1.0, 1.0, 1.0);
373 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
374
375 glScissor(getWindowWidth() / 2, 0, getWindowWidth() / 2, getWindowHeight());
376 glEnable(GL_SCISSOR_TEST);
377
378 glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(),
379 GL_COLOR_BUFFER_BIT, GL_NEAREST);
380
381 EXPECT_GL_NO_ERROR();
382
383 glDisable(GL_SCISSOR_TEST);
384
385 glBindFramebuffer(GL_FRAMEBUFFER, mOriginalFBO);
386
387 EXPECT_PIXEL_EQ( getWindowWidth() / 4, getWindowHeight() / 4, 255, 255, 255, 255);
388 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 0, 255, 0, 255);
389 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 0, 0, 255);
390 EXPECT_PIXEL_EQ( getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 255, 255, 255);
391}
392
393// blit from system FBO to user-created framebuffer, with the scissor test enabled.
394TEST_F(BlitFramebufferANGLETest, reverse_scissored_blit)
395{
396 glBindFramebuffer(GL_FRAMEBUFFER, mOriginalFBO);
397
398 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
399
400 drawQuad(mCheckerProgram, "position", 0.8f);
401
402 EXPECT_GL_NO_ERROR();
403
404 glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mUserFBO);
405 glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mOriginalFBO);
406
407 glClearColor(1.0, 1.0, 1.0, 1.0);
408 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
409
410 glScissor(getWindowWidth() / 2, 0, getWindowWidth() / 2, getWindowHeight());
411 glEnable(GL_SCISSOR_TEST);
412
413 glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(),
414 GL_COLOR_BUFFER_BIT, GL_NEAREST);
415
416 EXPECT_GL_NO_ERROR();
417
418 glDisable(GL_SCISSOR_TEST);
419
420 glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO);
421
422 EXPECT_PIXEL_EQ( getWindowWidth() / 4, getWindowHeight() / 4, 255, 255, 255, 255);
423 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 0, 255, 0, 255);
424 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 0, 0, 255);
425 EXPECT_PIXEL_EQ( getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 255, 255, 255);
426}
427
428// blit from user-created FBO to system framebuffer, using region larger than buffer.
429TEST_F(BlitFramebufferANGLETest, oversized_blit)
430{
431 glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO);
432
433 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
434
435 drawQuad(mCheckerProgram, "position", 0.8f);
436
437 EXPECT_GL_NO_ERROR();
438
439 glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mOriginalFBO);
440 glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mUserFBO);
441
442 glClearColor(1.0, 1.0, 1.0, 1.0);
443 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
444
445 glBlitFramebufferANGLE(0, 0, getWindowWidth() * 2, getWindowHeight() * 2, 0, 0, getWindowWidth() * 2, getWindowHeight() * 2,
446 GL_COLOR_BUFFER_BIT, GL_NEAREST);
447
448 EXPECT_GL_NO_ERROR();
449
450 glBindFramebuffer(GL_FRAMEBUFFER, mOriginalFBO);
451
452 EXPECT_PIXEL_EQ( getWindowWidth() / 4, getWindowHeight() / 4, 255, 0, 0, 255);
453 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 0, 255, 0, 255);
454 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 0, 0, 255);
455 EXPECT_PIXEL_EQ( getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 255, 0, 255);
456}
457
458// blit from system FBO to user-created framebuffer, using region larger than buffer.
459TEST_F(BlitFramebufferANGLETest, reverse_oversized_blit)
460{
461 glBindFramebuffer(GL_FRAMEBUFFER, mOriginalFBO);
462
463 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
464
465 drawQuad(mCheckerProgram, "position", 0.8f);
466
467 EXPECT_GL_NO_ERROR();
468
469 glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mUserFBO);
470 glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mOriginalFBO);
471
472 glClearColor(1.0, 1.0, 1.0, 1.0);
473 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
474
475 glBlitFramebufferANGLE(0, 0, getWindowWidth() * 2, getWindowHeight() * 2, 0, 0, getWindowWidth() * 2, getWindowHeight() * 2,
476 GL_COLOR_BUFFER_BIT, GL_NEAREST);
477 EXPECT_GL_NO_ERROR();
478
479 glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO);
480
481 EXPECT_PIXEL_EQ( getWindowWidth() / 4, getWindowHeight() / 4, 255, 0, 0, 255);
482 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 0, 255, 0, 255);
483 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 0, 0, 255);
484 EXPECT_PIXEL_EQ( getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 255, 0, 255);
485}
486
487// blit from user-created FBO to system framebuffer, with depth buffer.
488TEST_F(BlitFramebufferANGLETest, blit_with_depth)
489{
490 glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO);
491
492 glDepthMask(GL_TRUE);
493 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
494
495 glEnable(GL_DEPTH_TEST);
496
497 drawQuad(mCheckerProgram, "position", 0.3f);
498
499 EXPECT_GL_NO_ERROR();
500
501 glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mOriginalFBO);
502 glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mUserFBO);
503
504 glClearColor(1.0, 1.0, 1.0, 1.0);
505 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
506
507 glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(),
508 GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT, GL_NEAREST);
509 EXPECT_GL_NO_ERROR();
510
511 glBindFramebuffer(GL_FRAMEBUFFER, mOriginalFBO);
512
513 // if blit is happening correctly, this quad will not draw, because it is behind the blitted one
514 drawQuad(mBlueProgram, "position", 0.8f);
515
516 glDisable(GL_DEPTH_TEST);
517
518 EXPECT_PIXEL_EQ( getWindowWidth() / 4, getWindowHeight() / 4, 255, 0, 0, 255);
519 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 0, 255, 0, 255);
520 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 0, 0, 255);
521 EXPECT_PIXEL_EQ( getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 255, 0, 255);
522}
523
524// blit from system FBO to user-created framebuffer, with depth buffer.
525TEST_F(BlitFramebufferANGLETest, reverse_blit_with_depth)
526{
527 glBindFramebuffer(GL_FRAMEBUFFER, mOriginalFBO);
528
529 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
530
531 glEnable(GL_DEPTH_TEST);
532
533 drawQuad(mCheckerProgram, "position", 0.3f);
534
535 EXPECT_GL_NO_ERROR();
536
537 glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mUserFBO);
538 glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mOriginalFBO);
539
540 glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
541 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
542
543 glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(),
544 GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT, GL_NEAREST);
545 EXPECT_GL_NO_ERROR();
546
547 glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO);
548
549 // if blit is happening correctly, this quad will not draw, because it is behind the blitted one
550
551 drawQuad(mBlueProgram, "position", 0.8f);
552
553 glDisable(GL_DEPTH_TEST);
554
555 EXPECT_PIXEL_EQ( getWindowWidth() / 4, getWindowHeight() / 4, 255, 0, 0, 255);
556 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 0, 255, 0, 255);
557 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 0, 0, 255);
558 EXPECT_PIXEL_EQ( getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 255, 0, 255);
559}
560
561// blit from one region of the system fbo to another-- this should fail.
562TEST_F(BlitFramebufferANGLETest, blit_same_buffer_original)
563{
564 glBindFramebuffer(GL_FRAMEBUFFER, mOriginalFBO);
565
566 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
567
568 drawQuad(mCheckerProgram, "position", 0.3f);
569
570 EXPECT_GL_NO_ERROR();
571
572 glBlitFramebufferANGLE(0, 0, getWindowWidth() / 2, getWindowHeight(), getWindowWidth() / 2, 0, getWindowWidth(), getWindowHeight(),
573 GL_COLOR_BUFFER_BIT, GL_NEAREST);
574 EXPECT_GL_ERROR(GL_INVALID_OPERATION);
575}
576
577// blit from one region of the system fbo to another.
578TEST_F(BlitFramebufferANGLETest, blit_same_buffer_user)
579{
580 glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO);
581
582 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
583
584 drawQuad(mCheckerProgram, "position", 0.3f);
585
586 EXPECT_GL_NO_ERROR();
587
588 glBlitFramebufferANGLE(0, 0, getWindowWidth() / 2, getWindowHeight(), getWindowWidth() / 2, 0, getWindowWidth(), getWindowHeight(),
589 GL_COLOR_BUFFER_BIT, GL_NEAREST);
590 EXPECT_GL_ERROR(GL_INVALID_OPERATION);
591}
592
593TEST_F(BlitFramebufferANGLETest, blit_partial_color)
594{
595 glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO);
596
597 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
598
599 drawQuad(mCheckerProgram, "position", 0.5f);
600
601 EXPECT_GL_NO_ERROR();
602
603 glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mOriginalFBO);
604 glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mUserFBO);
605
606 glClearColor(1.0, 1.0, 1.0, 1.0);
607 glClear(GL_COLOR_BUFFER_BIT| GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
608
609 glBlitFramebufferANGLE(0, 0, getWindowWidth() / 2, getWindowHeight() / 2, 0, getWindowHeight() / 2, getWindowWidth() / 2, getWindowHeight(),
610 GL_COLOR_BUFFER_BIT, GL_NEAREST);
611
612 EXPECT_GL_NO_ERROR();
613
614 glBindFramebuffer(GL_FRAMEBUFFER, mOriginalFBO);
615
616 EXPECT_PIXEL_EQ( getWindowWidth() / 4, getWindowHeight() / 4, 255, 255, 255, 255);
617 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 255, 255, 255, 255);
618 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 255, 255, 255);
619 EXPECT_PIXEL_EQ( getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 0, 0, 255);
620}
621
622TEST_F(BlitFramebufferANGLETest, blit_different_sizes)
623{
624 glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO);
625
626 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
627
628 drawQuad(mCheckerProgram, "position", 0.5f);
629
630 EXPECT_GL_NO_ERROR();
631
632 glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mSmallFBO);
633 glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mUserFBO);
634
635 glClearColor(1.0, 1.0, 1.0, 1.0);
636 glClear(GL_COLOR_BUFFER_BIT| GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
637
638 glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(),
639 GL_COLOR_BUFFER_BIT, GL_NEAREST);
640
641 EXPECT_GL_NO_ERROR();
642
643 glBindFramebuffer(GL_FRAMEBUFFER, mSmallFBO);
644
645 EXPECT_PIXEL_EQ( getWindowWidth() / 4, getWindowHeight() / 4, 255, 0, 0, 255);
646
647 EXPECT_GL_NO_ERROR();
648}
649
650TEST_F(BlitFramebufferANGLETest, blit_with_missing_attachments)
651{
652 glBindFramebuffer(GL_FRAMEBUFFER, mColorOnlyFBO);
653
654 glClear(GL_COLOR_BUFFER_BIT);
655 drawQuad(mCheckerProgram, "position", 0.3f);
656
657 glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mOriginalFBO);
658 glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mColorOnlyFBO);
659
660 glClearColor(1.0, 1.0, 1.0, 1.0);
661 glClear(GL_COLOR_BUFFER_BIT| GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
662
663 // depth blit request should be silently ignored, because the read FBO has no depth attachment
664 glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(),
665 GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT, GL_NEAREST);
666
667 EXPECT_GL_NO_ERROR();
668
669 glBindFramebuffer(GL_FRAMEBUFFER, mOriginalFBO);
670
671 EXPECT_PIXEL_EQ( getWindowWidth() / 4, getWindowHeight() / 4, 255, 0, 0, 255);
672 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 0, 255, 0, 255);
673 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 0, 0, 255);
674 EXPECT_PIXEL_EQ( getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 255, 0, 255);
675
676 // unlike in the depth blit tests, this *should* draw a blue quad, because depth info
677 // has not been copied
678 glEnable(GL_DEPTH_TEST);
679 drawQuad(mBlueProgram, "position", 0.8f);
680 glDisable(GL_DEPTH_TEST);
681
682 EXPECT_PIXEL_EQ( getWindowWidth() / 4, getWindowHeight() / 4, 0, 0, 255, 255);
683 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 0, 0, 255, 255);
684 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 0, 255, 255);
685 EXPECT_PIXEL_EQ( getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 0, 255, 255);
686}
687
688TEST_F(BlitFramebufferANGLETest, blit_stencil)
689{
690 glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO);
691
692 glClear(GL_COLOR_BUFFER_BIT);
693 // fill the stencil buffer with 0x1
694 glStencilFunc(GL_ALWAYS, 0x1, 0xFF);
695 glStencilOp(GL_REPLACE, GL_REPLACE, GL_REPLACE);
696 glEnable(GL_STENCIL_TEST);
697 drawQuad(mCheckerProgram, "position", 0.3f);
698
699 glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mOriginalFBO);
700 glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mUserFBO);
701
702 glClearColor(1.0, 1.0, 1.0, 1.0);
703 glClearStencil(0x0);
704 glClear(GL_COLOR_BUFFER_BIT| GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
705
706 // depth blit request should be silently ignored, because the read FBO has no depth attachment
707 glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(),
708 GL_COLOR_BUFFER_BIT | GL_STENCIL_BUFFER_BIT, GL_NEAREST);
709
710 EXPECT_GL_NO_ERROR();
711
712 glBindFramebuffer(GL_FRAMEBUFFER, mOriginalFBO);
713
714 EXPECT_PIXEL_EQ( getWindowWidth() / 4, getWindowHeight() / 4, 255, 0, 0, 255);
715 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 0, 255, 0, 255);
716 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 0, 0, 255);
717 EXPECT_PIXEL_EQ( getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 255, 0, 255);
718
719 glStencilFunc(GL_EQUAL, 0x1, 0xFF); // only pass if stencil buffer at pixel reads 0x1
720 drawQuad(mBlueProgram, "position", 0.8f); // blue quad will draw if stencil buffer was copied
721 glDisable(GL_STENCIL_TEST);
722
723 EXPECT_PIXEL_EQ( getWindowWidth() / 4, getWindowHeight() / 4, 0, 0, 255, 255);
724 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 0, 0, 255, 255);
725 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 0, 255, 255);
726 EXPECT_PIXEL_EQ( getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 0, 255, 255);
727}
728
729// make sure that attempting to blit a partial depth buffer issues an error
730TEST_F(BlitFramebufferANGLETest, blit_partial_depth_stencil)
731{
732 glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO);
733
734 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
735
736 drawQuad(mCheckerProgram, "position", 0.5f);
737
738 EXPECT_GL_NO_ERROR();
739
740 glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mOriginalFBO);
741 glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mUserFBO);
742
743 glBlitFramebufferANGLE(0, 0, getWindowWidth() / 2, getWindowHeight() / 2, 0, 0,
744 getWindowWidth() / 2, getWindowHeight() / 2, GL_DEPTH_BUFFER_BIT, GL_NEAREST);
745 EXPECT_GL_ERROR(GL_INVALID_OPERATION);
746}
747
748// Test blit with MRT framebuffers
749TEST_F(BlitFramebufferANGLETest, blit_mrt)
750{
751 if (!extensionEnabled("GL_EXT_draw_buffers"))
752 {
753 return;
754 }
755
756 GLenum drawBuffers[] = { GL_COLOR_ATTACHMENT0_EXT, GL_COLOR_ATTACHMENT1_EXT };
757
758 glBindFramebuffer(GL_FRAMEBUFFER, mMRTFBO);
759 glDrawBuffersEXT(2, drawBuffers);
760
761 glBindFramebuffer(GL_FRAMEBUFFER, mColorOnlyFBO);
762
763 glClear(GL_COLOR_BUFFER_BIT);
764
765 drawQuad(mCheckerProgram, "position", 0.8f);
766
767 EXPECT_GL_NO_ERROR();
768
769 glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mColorOnlyFBO);
770 glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mMRTFBO);
771
772 glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(),
773 GL_COLOR_BUFFER_BIT, GL_NEAREST);
774
775 EXPECT_GL_NO_ERROR();
776
777 glBindFramebuffer(GL_FRAMEBUFFER, mMRTFBO);
778
779 EXPECT_PIXEL_EQ( getWindowWidth() / 4, getWindowHeight() / 4, 255, 0, 0, 255);
780 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 0, 255, 0, 255);
781 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 0, 0, 255);
782 EXPECT_PIXEL_EQ( getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 255, 0, 255);
783
784 glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT1_EXT, GL_TEXTURE_2D, 0, 0);
785 glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mMRTColorBuffer0, 0);
786
787 EXPECT_PIXEL_EQ( getWindowWidth() / 4, getWindowHeight() / 4, 255, 0, 0, 255);
788 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 0, 255, 0, 255);
789 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 0, 0, 255);
790 EXPECT_PIXEL_EQ( getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 255, 0, 255);
791
792 glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mMRTColorBuffer0, 0);
793 glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT1_EXT, GL_TEXTURE_2D, mMRTColorBuffer1, 0);
794}
795
796// Make sure that attempts to stretch in a blit call issue an error
797TEST_F(BlitFramebufferANGLETest, error_stretching)
798{
799 glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO);
800
801 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
802
803 drawQuad(mCheckerProgram, "position", 0.5f);
804
805 EXPECT_GL_NO_ERROR();
806
807 glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mOriginalFBO);
808 glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mUserFBO);
809
810 glBlitFramebufferANGLE(0, 0, getWindowWidth() / 2, getWindowHeight() / 2, 0, 0,
811 getWindowWidth(), getWindowHeight(), GL_COLOR_BUFFER_BIT, GL_NEAREST);
812 EXPECT_GL_ERROR(GL_INVALID_OPERATION);
813}
814
815// Make sure that attempts to flip in a blit call issue an error
816TEST_F(BlitFramebufferANGLETest, error_flipping)
817{
818 glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO);
819
820 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
821
822 drawQuad(mCheckerProgram, "position", 0.5f);
823
824 EXPECT_GL_NO_ERROR();
825
826 glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mOriginalFBO);
827 glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mUserFBO);
828
829 glBlitFramebufferANGLE(0, 0, getWindowWidth() / 2, getWindowHeight() / 2, getWindowWidth() / 2, getWindowHeight() / 2,
830 0, 0, GL_COLOR_BUFFER_BIT, GL_NEAREST);
831 EXPECT_GL_ERROR(GL_INVALID_OPERATION);
832}
833
834TEST_F(BlitFramebufferANGLETest, errors)
835{
836 glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO);
837
838 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
839
840 drawQuad(mCheckerProgram, "position", 0.5f);
841
842 EXPECT_GL_NO_ERROR();
843
844 glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mOriginalFBO);
845 glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mUserFBO);
846
847 glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(),
848 GL_COLOR_BUFFER_BIT, GL_LINEAR);
849 EXPECT_GL_ERROR(GL_INVALID_ENUM);
850
851 glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(),
852 GL_COLOR_BUFFER_BIT | 234, GL_NEAREST);
853 EXPECT_GL_ERROR(GL_INVALID_VALUE);
854
855 glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mDiffFormatFBO);
856
857 glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(),
858 GL_COLOR_BUFFER_BIT, GL_NEAREST);
859 EXPECT_GL_ERROR(GL_INVALID_OPERATION);
Jamie Madillc93d6f32014-04-15 16:12:41 -0400[diff] [blame]860
861 if (extensionEnabled("GL_ANGLE_framebuffer_multisample"))
862 {
863 glBindFramebuffer(GL_READ_FRAMEBUFFER, mBGRAMultisampledFBO);
864 glBindFramebuffer(GL_DRAW_FRAMEBUFFER, mRGBAFBO);
865 EXPECT_GL_NO_ERROR();
866
867 glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(),
868 GL_COLOR_BUFFER_BIT, GL_NEAREST);
869 EXPECT_GL_ERROR(GL_INVALID_OPERATION);
870 }
871
Geoff Lange8a1f782013-10-18 16:14:30 -0400[diff] [blame]872}