1 /*-------------------------------------------------------------------------
2 * drawElements Quality Program OpenGL ES 3.1 Module
3 * -------------------------------------------------
4 *
5 * Copyright 2017 The Android Open Source Project
6 *
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 *
19 *//*!
20 * \file
21 * \brief FBO sRGB tests.
22 *//*--------------------------------------------------------------------*/
23
24 #include "es31fFboSRGBWriteControlTests.hpp"
25 #include "es31fFboTestUtil.hpp"
26 #include "gluTextureUtil.hpp"
27 #include "gluContextInfo.hpp"
28 #include "tcuTestLog.hpp"
29 #include "glwEnums.hpp"
30 #include "sglrContextUtil.hpp"
31 #include "glwFunctions.hpp"
32 #include "deUniquePtr.hpp"
33 #include "deSharedPtr.hpp"
34 #include "gluObjectWrapper.hpp"
35 #include "gluPixelTransfer.hpp"
36 #include "glsTextureTestUtil.hpp"
37 #include "tcuVectorUtil.hpp"
38 #include "gluStrUtil.hpp"
39
40 namespace deqp
41 {
42 namespace gles31
43 {
44 namespace Functional
45 {
46 namespace
47 {
48
getTestColorLinear(void)49 tcu::Vec4 getTestColorLinear (void)
50 {
51 return tcu::Vec4(0.2f, 0.3f, 0.4f, 1.0f);
52 }
53
getTestColorSRGB(void)54 tcu::Vec4 getTestColorSRGB (void)
55 {
56 return linearToSRGB(tcu::Vec4(0.2f, 0.3f, 0.4f, 1.0f));
57 }
58
getTestColorBlank(void)59 tcu::Vec4 getTestColorBlank (void)
60 {
61 return tcu::Vec4(0.0f, 0.0f, 0.0f, 1.0f);
62 }
63
getEpsilonError(void)64 tcu::Vec4 getEpsilonError (void)
65 {
66 return tcu::Vec4(0.005f);
67 }
68
69 enum QueryType
70 {
71 QUERYTYPE_ISENABLED = 0,
72 QUERYTYPE_BOOLEAN,
73 QUERYTYPE_FLOAT,
74 QUERYTYPE_INT,
75 QUERYTYPE_INT64,
76 QUERYTYPE_LAST
77 };
78
79 enum DataType
80 {
81 DATATYPE_BOOLEAN = 0,
82 DATATYPE_FLOAT,
83 DATATYPE_INT,
84 DATATYPE_INT64,
85 };
86
87 enum FramebufferSRGB
88 {
89 FRAMEBUFFERSRGB_ENABLED = 0,
90 FRAMEBUFFERSRGB_DISABLED
91 };
92
93 enum FramebufferBlend
94 {
95 FRAMEBUFFERBLEND_ENABLED = 0,
96 FRAMEBUFFERBLEND_DISABLED
97 };
98
99 enum TextureSourcesType
100 {
101 TEXTURESOURCESTYPE_RGBA = 0,
102 TEXTURESOURCESTYPE_SRGBA,
103 TEXTURESOURCESTYPE_BOTH,
104 TEXTURESOURCESTYPE_NONE
105 };
106
107 enum FboType
108 {
109 FBOTYPE_SOURCE = 0,
110 FBOTYPE_DESTINATION
111 };
112
113 enum RendererTask
114 {
115 RENDERERTASK_DRAW = 0,
116 RENDERERTASK_COPY
117 };
118
119 enum SamplingType
120 {
121 SAMPLINGTYPE_TEXTURE = 0,
122 SAMPLINGTYPE_TEXTURE_LOD,
123 SAMPLINGTYPE_TEXTURE_GRAD,
124 SAMPLINGTYPE_TEXTURE_OFFSET,
125 SAMPLINGTYPE_TEXTURE_PROJ,
126 };
127
128 namespace TestTextureSizes
129 {
130 const int WIDTH = 128;
131 const int HEIGHT = 128;
132 } // global test texture sizes
133
134 namespace SampligTypeCount
135 {
136 const int MAX = 5;
137 } // global max number of sampling types
138
buildSamplingPassType(const int samplerTotal)139 std::string buildSamplingPassType (const int samplerTotal)
140 {
141 std::ostringstream shaderFragment;
142
143 const SamplingType samplingTypeList [] =
144 {
145 SAMPLINGTYPE_TEXTURE, SAMPLINGTYPE_TEXTURE_LOD, SAMPLINGTYPE_TEXTURE_GRAD, SAMPLINGTYPE_TEXTURE_OFFSET, SAMPLINGTYPE_TEXTURE_PROJ
146 } ;
147
148 for (int samplerTypeIdx = 0; samplerTypeIdx < DE_LENGTH_OF_ARRAY(samplingTypeList); samplerTypeIdx++)
149 {
150 shaderFragment
151 << " if (uFunctionType == " << samplerTypeIdx << ") \n"
152 << " { \n";
153
154 for (int samplerIdx = 0; samplerIdx < samplerTotal; samplerIdx++)
155 {
156 switch (static_cast<SamplingType>(samplerTypeIdx))
157 {
158 case SAMPLINGTYPE_TEXTURE:
159 {
160 shaderFragment
161 << " texelColor" << samplerIdx << " = texture(uTexture" << samplerIdx << ", vs_aTexCoord); \n";
162 break;
163 }
164 case SAMPLINGTYPE_TEXTURE_LOD:
165 {
166 shaderFragment
167 << " texelColor" << samplerIdx << " = textureLod(uTexture" << samplerIdx << ", vs_aTexCoord, 0.0f); \n";
168 break;
169 }
170 case SAMPLINGTYPE_TEXTURE_GRAD:
171 {
172 shaderFragment
173 << " texelColor" << samplerIdx << " = textureGrad(uTexture" << samplerIdx << ", vs_aTexCoord, vec2(0.0f, 0.0f), vec2(0.0f, 0.0f)); \n";
174 break;
175 }
176 case SAMPLINGTYPE_TEXTURE_OFFSET:
177 {
178 shaderFragment
179 << " texelColor" << samplerIdx << " = textureOffset(uTexture" << samplerIdx << ", vs_aTexCoord, ivec2(0.0f, 0.0f)); \n";
180 break;
181 }
182 case SAMPLINGTYPE_TEXTURE_PROJ:
183 {
184 shaderFragment
185 << " texelColor" << samplerIdx << " = textureProj(uTexture" << samplerIdx << ", vec3(vs_aTexCoord, 1.0f)); \n";
186 break;
187 }
188 default:
189 DE_FATAL("Error: sampling type unrecognised");
190 }
191 }
192
193 shaderFragment
194 << " } \n";
195 }
196
197 return shaderFragment.str();
198 }
199
logColor(Context & context,const std::string & colorLogMessage,const tcu::Vec4 resultColor)200 void logColor (Context& context, const std::string& colorLogMessage, const tcu::Vec4 resultColor)
201 {
202 tcu::TestLog& log = context.getTestContext().getLog();
203 std::ostringstream message;
204
205 message << colorLogMessage << " = (" << resultColor.x() << ", " << resultColor.y() << ", " << resultColor.z() << ", " << resultColor.w() << ")";
206 log << tcu::TestLog::Message << message.str() << tcu::TestLog::EndMessage;
207 }
208
209 struct TestFunction
210 {
TestFunctiondeqp::gles31::Functional::__anoncaba59090111::TestFunction211 explicit TestFunction (const bool hasFunctionValue)
212 : hasFunction (hasFunctionValue) {}
TestFunctiondeqp::gles31::Functional::__anoncaba59090111::TestFunction213 TestFunction (const char* const functionNameValue, const char* const functionDefinition)
214 : hasFunction (true)
215 , functionName (functionNameValue)
216 , functionDefintion (functionDefinition) {}
~TestFunctiondeqp::gles31::Functional::__anoncaba59090111::TestFunction217 ~TestFunction (void) {}
218
219 bool hasFunction;
220 const char* functionName;
221 const char* functionDefintion;
222 };
223
getFunctionBlendLinearToSRGBCheck(void)224 TestFunction getFunctionBlendLinearToSRGBCheck (void)
225 {
226 const char* const functionName = "blendPlusLinearToSRGB";
227
228 const char* const functionDefinition =
229 "mediump vec4 blendPlusLinearToSRGB(in mediump vec4 colorSrc, in mediump vec4 colorDst) \n"
230 "{ \n"
231 " const int MAX_VECTOR_SIZE = 4; \n"
232 " mediump vec4 colorConverted; \n"
233 " mediump vec4 colorBlended; \n"
234 " for (int idx = 0; idx < MAX_VECTOR_SIZE; idx++) \n"
235 " { \n"
236 " if (uBlendFunctionType == 0) \n"
237 " { \n"
238 " colorBlended[idx] = (colorSrc[idx] * uFactorSrc) + colorDst[idx] * uFactorDst; \n"
239 " } \n"
240 " if (uBlendFunctionType == 1) \n"
241 " { \n"
242 " colorBlended[idx] = (colorSrc[idx] * uFactorSrc) - (colorDst[idx] * uFactorDst); \n"
243 " } \n"
244 "if (uBlendFunctionType == 2) \n"
245 " { \n"
246 " colorBlended[idx] = (colorDst[idx] * uFactorDst) - (colorSrc[idx] * uFactorSrc); \n"
247 " } \n"
248 " if (colorBlended[idx] < 0.0031308f) \n"
249 " { \n"
250 " colorConverted[idx] = 12.92f * colorBlended[idx]; \n"
251 " } \n"
252 " else \n"
253 " { \n"
254 " colorConverted[idx] = 1.055f * pow(colorBlended[idx], 0.41666f) - 0.055f; \n"
255 " } \n"
256 " } \n"
257 " return colorConverted; \n"
258 "} \n";
259
260 TestFunction testFunction(functionName, functionDefinition);
261
262 return testFunction;
263 }
264
265 struct FBOConfig
266 {
FBOConfigdeqp::gles31::Functional::__anoncaba59090111::FBOConfig267 FBOConfig (const deUint32 textureInternalFormatValue,
268 const tcu::Vec4 textureColorValue,
269 const deUint32 fboTargetTypeValue,
270 const deUint32 fboColorAttachmentValue,
271 const FboType fboTypeValue)
272 : textureInternalFormat (textureInternalFormatValue)
273 , textureColor (textureColorValue)
274 , fboTargetType (fboTargetTypeValue)
275 , fboColorAttachment (fboColorAttachmentValue)
276 , fboType (fboTypeValue) {}
~FBOConfigdeqp::gles31::Functional::__anoncaba59090111::FBOConfig277 ~FBOConfig (void) {}
278
279 deUint32 textureInternalFormat;
280 tcu::Vec4 textureColor;
281 deUint32 fboTargetType;
282 deUint32 fboColorAttachment;
283 FboType fboType;
284 };
285
286 struct BlendConfig
287 {
288 deUint32 equation;
289 deUint32 funcSrc;
290 deUint32 funcDst;
291 };
292
getBlendingConfigList(void)293 std::vector<BlendConfig> getBlendingConfigList (void)
294 {
295 BlendConfig blendConfigs[12];
296
297 // add function permutations
298 blendConfigs[0].equation = GL_FUNC_ADD;
299 blendConfigs[1].equation = GL_FUNC_ADD;
300 blendConfigs[2].equation = GL_FUNC_ADD;
301 blendConfigs[3].equation = GL_FUNC_ADD;
302
303 blendConfigs[0].funcSrc = GL_ONE;
304 blendConfigs[0].funcDst = GL_ONE;
305 blendConfigs[1].funcSrc = GL_ONE;
306 blendConfigs[1].funcDst = GL_ZERO;
307 blendConfigs[2].funcSrc = GL_ZERO;
308 blendConfigs[2].funcDst = GL_ONE;
309 blendConfigs[3].funcSrc = GL_ZERO;
310 blendConfigs[3].funcDst = GL_ZERO;
311
312 // subtract function permutations
313 blendConfigs[4].equation = GL_FUNC_SUBTRACT;
314 blendConfigs[5].equation = GL_FUNC_SUBTRACT;
315 blendConfigs[6].equation = GL_FUNC_SUBTRACT;
316 blendConfigs[7].equation = GL_FUNC_SUBTRACT;
317
318 blendConfigs[4].funcSrc = GL_ONE;
319 blendConfigs[4].funcDst = GL_ONE;
320 blendConfigs[5].funcSrc = GL_ONE;
321 blendConfigs[5].funcDst = GL_ZERO;
322 blendConfigs[6].funcSrc = GL_ZERO;
323 blendConfigs[6].funcDst = GL_ONE;
324 blendConfigs[7].funcSrc = GL_ZERO;
325 blendConfigs[7].funcDst = GL_ZERO;
326
327 // reverse subtract function permutations
328 blendConfigs[8].equation = GL_FUNC_REVERSE_SUBTRACT;
329 blendConfigs[9].equation = GL_FUNC_REVERSE_SUBTRACT;
330 blendConfigs[10].equation = GL_FUNC_REVERSE_SUBTRACT;
331 blendConfigs[11].equation = GL_FUNC_REVERSE_SUBTRACT;
332
333 blendConfigs[8].funcSrc = GL_ONE;
334 blendConfigs[8].funcDst = GL_ONE;
335 blendConfigs[9].funcSrc = GL_ONE;
336 blendConfigs[9].funcDst = GL_ZERO;
337 blendConfigs[10].funcSrc = GL_ZERO;
338 blendConfigs[10].funcDst = GL_ONE;
339 blendConfigs[11].funcSrc = GL_ZERO;
340 blendConfigs[11].funcDst = GL_ZERO;
341
342 std::vector<BlendConfig> configList(blendConfigs, blendConfigs + DE_LENGTH_OF_ARRAY(blendConfigs));
343
344 return configList;
345 }
346
347 struct TestRenderPassConfig
348 {
TestRenderPassConfigdeqp::gles31::Functional::__anoncaba59090111::TestRenderPassConfig349 TestRenderPassConfig (void)
350 : testFunction (false) {}
351
TestRenderPassConfigdeqp::gles31::Functional::__anoncaba59090111::TestRenderPassConfig352 TestRenderPassConfig (const TextureSourcesType textureSourcesTypeValue,
353 FBOConfig fboConfigListValue,
354 const FramebufferSRGB framebufferSRGBValue,
355 const FramebufferBlend framebufferBendValue,
356 const RendererTask rendererTaskValue)
357 : textureSourcesType (textureSourcesTypeValue)
358 , framebufferSRGB (framebufferSRGBValue)
359 , frameBufferBlend (framebufferBendValue)
360 , testFunction (false)
361 , rendererTask (rendererTaskValue) {fboConfigList.push_back(fboConfigListValue);}
362
TestRenderPassConfigdeqp::gles31::Functional::__anoncaba59090111::TestRenderPassConfig363 TestRenderPassConfig (const TextureSourcesType textureSourcesTypeValue,
364 FBOConfig fboConfigListValue,
365 const FramebufferSRGB framebufferSRGBValue,
366 const FramebufferBlend framebufferBendValue,
367 TestFunction testFunctionValue,
368 const RendererTask rendererTaskValue)
369 : textureSourcesType (textureSourcesTypeValue)
370 , framebufferSRGB (framebufferSRGBValue)
371 , frameBufferBlend (framebufferBendValue)
372 , testFunction (testFunctionValue)
373 , rendererTask (rendererTaskValue) {fboConfigList.push_back(fboConfigListValue);}
374
TestRenderPassConfigdeqp::gles31::Functional::__anoncaba59090111::TestRenderPassConfig375 TestRenderPassConfig (const TextureSourcesType textureSourcesTypeValue,
376 std::vector<FBOConfig> fboConfigListValue,
377 const FramebufferSRGB framebufferSRGBValue,
378 const FramebufferBlend framebufferBendValue,
379 TestFunction testFunctionValue,
380 const RendererTask rendererTaskValue)
381 : textureSourcesType (textureSourcesTypeValue)
382 , fboConfigList (fboConfigListValue)
383 , framebufferSRGB (framebufferSRGBValue)
384 , frameBufferBlend (framebufferBendValue)
385 , testFunction (testFunctionValue)
386 , rendererTask (rendererTaskValue) {}
387
~TestRenderPassConfigdeqp::gles31::Functional::__anoncaba59090111::TestRenderPassConfig388 ~TestRenderPassConfig (void) {}
389
390 TextureSourcesType textureSourcesType;
391 std::vector<FBOConfig> fboConfigList;
392 FramebufferSRGB framebufferSRGB;
393 FramebufferBlend frameBufferBlend;
394 TestFunction testFunction;
395 RendererTask rendererTask;
396 };
397
398 class TestVertexData
399 {
400 public:
401 TestVertexData (Context& context);
402 ~TestVertexData (void);
403
404 void init (void);
405
406 void bind (void) const;
407 void unbind (void) const;
408
409 private:
410 const glw::Functions* m_gl;
411 std::vector<float> m_data;
412 glw::GLuint m_vboHandle;
413 glw::GLuint m_vaoHandle;
414 };
415
TestVertexData(Context & context)416 TestVertexData::TestVertexData (Context& context)
417 : m_gl (&context.getRenderContext().getFunctions())
418 {
419 const glw::GLfloat vertexData[] =
420 {
421 // position // texcoord
422 -1.0f, -1.0f, 0.0f, 0.0f, 0.0f, // bottom left corner
423 1.0f, -1.0f, 0.0f, 1.0f, 0.0f, // bottom right corner
424 1.0f, 1.0f, 0.0f, 1.0f, 1.0f, // Top right corner
425
426 -1.0f, 1.0f, 0.0f, 0.0f, 1.0f, // top left corner
427 1.0f, 1.0f, 0.0f, 1.0f, 1.0f, // Top right corner
428 -1.0f, -1.0f, 0.0f, 0.0f, 0.0f // bottom left corner
429 };
430
431 m_data.resize(DE_LENGTH_OF_ARRAY(vertexData));
432 for (int idx = 0; idx < (int)m_data.size(); idx++)
433 m_data[idx] = vertexData[idx];
434
435 m_gl->genVertexArrays(1, &m_vaoHandle);
436 m_gl->bindVertexArray(m_vaoHandle);
437
438 m_gl->genBuffers(1, &m_vboHandle);
439 m_gl->bindBuffer(GL_ARRAY_BUFFER, m_vboHandle);
440
441 m_gl->bufferData(GL_ARRAY_BUFFER, (glw::GLsizei)(m_data.size() * sizeof(glw::GLfloat)), &m_data[0], GL_STATIC_DRAW);
442
443 m_gl->enableVertexAttribArray(0);
444 m_gl->vertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 5 * (glw::GLsizei)sizeof(GL_FLOAT), (glw::GLvoid *)0);
445 m_gl->enableVertexAttribArray(1);
446 m_gl->vertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 5 * (glw::GLsizei)sizeof(GL_FLOAT), (glw::GLvoid *)(3 * sizeof(GL_FLOAT)));
447
448 m_gl->bindVertexArray(0);
449 m_gl->bindBuffer(GL_ARRAY_BUFFER, 0);
450 GLU_EXPECT_NO_ERROR(m_gl->getError(), "gl error during vertex data setup");
451 }
452
~TestVertexData(void)453 TestVertexData::~TestVertexData (void)
454 {
455 m_gl->deleteBuffers(1, &m_vboHandle);
456 m_gl->deleteVertexArrays(1, &m_vaoHandle);
457 }
458
bind(void) const459 void TestVertexData::bind (void) const
460 {
461 m_gl->bindVertexArray(m_vaoHandle);
462 }
463
unbind(void) const464 void TestVertexData::unbind (void) const
465 {
466 m_gl->bindVertexArray(0);
467 }
468
469 class TestTexture2D
470 {
471 public:
472 TestTexture2D (Context& context, const deUint32 internalFormatValue, const deUint32 transferFormatValue, const deUint32 transferTypeValue, const tcu::Vec4 imageColorValue);
473 ~TestTexture2D (void);
474
475 int getTextureUnit (void) const;
476 deUint32 getHandle (void) const;
477
478 void bind (const int textureUnit);
479 void unbind (void) const;
480
481 private:
482 const glw::Functions* m_gl;
483 glw::GLuint m_handle;
484 const deUint32 m_internalFormat;
485 tcu::TextureFormat m_transferFormat;
486 int m_width;
487 int m_height;
488 tcu::TextureLevel m_imageData;
489 int m_textureUnit;
490 };
491
TestTexture2D(Context & context,const deUint32 internalFormat,const deUint32 transferFormat,const deUint32 transferType,const tcu::Vec4 imageColor)492 TestTexture2D::TestTexture2D (Context& context, const deUint32 internalFormat, const deUint32 transferFormat, const deUint32 transferType, const tcu::Vec4 imageColor)
493 : m_gl (&context.getRenderContext().getFunctions())
494 , m_internalFormat (internalFormat)
495 , m_transferFormat (tcu::TextureFormat(glu::mapGLTransferFormat(transferFormat, transferType)))
496 , m_width (TestTextureSizes::WIDTH)
497 , m_height (TestTextureSizes::HEIGHT)
498 , m_imageData (tcu::TextureLevel(glu::mapGLInternalFormat(internalFormat), m_width, m_height, 1))
499 {
500 // fill image data with a solid test color
501 tcu::clear(m_imageData.getAccess(), tcu::Vec4(0.0f));
502 for (int py = 0; py < m_imageData.getHeight(); py++)
503 {
504 for (int px = 0; px < m_imageData.getWidth(); px++)
505 m_imageData.getAccess().setPixel(imageColor, px, py);
506 }
507
508 m_gl->genTextures(1, &m_handle);
509
510 m_gl->bindTexture(GL_TEXTURE_2D, m_handle);
511 m_gl->texParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_MIRRORED_REPEAT);
512 m_gl->texParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_MIRRORED_REPEAT);
513 m_gl->texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
514 m_gl->texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
515
516 m_gl->texImage2D(GL_TEXTURE_2D, 0, m_internalFormat, m_width, m_height, 0, transferFormat, transferType, m_imageData.getAccess().getDataPtr());
517
518 m_gl->bindTexture(GL_TEXTURE_2D, 0);
519 }
520
~TestTexture2D(void)521 TestTexture2D::~TestTexture2D (void)
522 {
523 m_gl->deleteTextures(1, &m_handle);
524 }
525
getTextureUnit(void) const526 int TestTexture2D::getTextureUnit (void) const
527 {
528 return m_textureUnit;
529 }
530
getHandle(void) const531 deUint32 TestTexture2D::getHandle (void) const
532 {
533 return m_handle;
534 }
535
bind(const int textureUnit)536 void TestTexture2D::bind (const int textureUnit)
537 {
538 m_textureUnit = textureUnit;
539 m_gl->activeTexture(GL_TEXTURE0 + m_textureUnit);
540 m_gl->bindTexture(GL_TEXTURE_2D, m_handle);
541 }
542
unbind(void) const543 void TestTexture2D::unbind (void) const
544 {
545 m_gl->bindTexture(GL_TEXTURE_2D, 0);
546 }
547
548 class TestFramebuffer
549 {
550 public:
551 TestFramebuffer (void);
552 TestFramebuffer (Context& context, const deUint32 targetType, const deUint32 colorAttachment, glw::GLuint textureAttachmentHandle, const bool isSRGB, const FboType fboType, const int idx);
553 ~TestFramebuffer (void);
554
555 void setTargetType (const deUint32 targetType);
556
557 FboType getType (void) const;
558 deUint32 getColorAttachment (void) const;
559 int getIdx (void) const;
560
561 void bind (void);
562 void unbind (void);
563
564 typedef de::UniquePtr<glu::Framebuffer> fboUniquePtr;
565
566 private:
567 const glw::Functions* m_gl;
568 fboUniquePtr m_referenceSource;
569 deUint32 m_targetType;
570 bool m_bound;
571 bool m_isSRGB;
572 FboType m_type;
573 const int m_idx;
574 deUint32 m_colorAttachment;
575 };
576
TestFramebuffer(Context & context,const deUint32 targetType,const deUint32 colorAttachment,glw::GLuint textureAttachmentHandle,const bool isSRGB,const FboType fboType,const int idx)577 TestFramebuffer::TestFramebuffer (Context& context, const deUint32 targetType, const deUint32 colorAttachment, glw::GLuint textureAttachmentHandle, const bool isSRGB, const FboType fboType, const int idx)
578 : m_gl (&context.getRenderContext().getFunctions())
579 , m_referenceSource (new glu::Framebuffer(context.getRenderContext()))
580 , m_targetType (targetType)
581 , m_bound (false)
582 , m_isSRGB (isSRGB)
583 , m_type (fboType)
584 , m_idx (idx)
585 , m_colorAttachment (colorAttachment)
586 {
587 m_gl->bindFramebuffer(m_targetType, **m_referenceSource);
588
589 m_gl->framebufferTexture2D(m_targetType, m_colorAttachment, GL_TEXTURE_2D, textureAttachmentHandle, 0);
590
591 TCU_CHECK(m_gl->checkFramebufferStatus(m_targetType) == GL_FRAMEBUFFER_COMPLETE);
592
593 if (targetType == GL_DRAW_BUFFER)
594 {
595 glw::GLuint textureAttachments[] = {m_colorAttachment};
596 m_gl->drawBuffers(DE_LENGTH_OF_ARRAY(textureAttachments), textureAttachments);
597 GLU_EXPECT_NO_ERROR(m_gl->getError(), "glDrawBuffer()");
598 }
599
600 if (targetType == GL_READ_BUFFER)
601 {
602 m_gl->readBuffer(m_colorAttachment);
603 GLU_EXPECT_NO_ERROR(m_gl->getError(), "glReadBuffer()");
604 }
605
606 m_gl->bindFramebuffer(m_targetType, 0);
607 }
608
~TestFramebuffer(void)609 TestFramebuffer::~TestFramebuffer (void)
610 {
611 }
612
setTargetType(const deUint32 targetType)613 void TestFramebuffer::setTargetType (const deUint32 targetType)
614 {
615 m_targetType = targetType;
616 }
617
getType(void) const618 FboType TestFramebuffer::getType (void) const
619 {
620 return m_type;
621 }
622
getColorAttachment(void) const623 deUint32 TestFramebuffer::getColorAttachment (void) const
624 {
625 return m_colorAttachment;
626 }
627
getIdx(void) const628 int TestFramebuffer::getIdx (void) const
629 {
630 return m_idx;
631 }
632
bind(void)633 void TestFramebuffer::bind (void)
634 {
635 if (!m_bound)
636 {
637 m_gl->bindFramebuffer(m_targetType, **m_referenceSource);
638 m_bound = true;
639 }
640 }
641
unbind(void)642 void TestFramebuffer::unbind (void)
643 {
644 if (m_bound)
645 {
646 m_gl->bindFramebuffer(m_targetType, 0);
647 m_bound = false;
648 }
649 }
650
651 class TestShaderProgram
652 {
653 public:
654 TestShaderProgram (Context& context, const int samplerTotal, TestFunction testFunction);
655 ~TestShaderProgram (void);
656
657 glw::GLuint getHandle (void) const;
658
659 void use (void) const;
660 void unuse (void) const;
661
662 glu::ShaderProgramInfo getLogInfo (void);
663
664 private:
665 const glw::Functions* m_gl;
666 de::MovePtr<glu::ShaderProgram> m_referenceSource;
667 const int m_samplerTotal;
668 const int m_shaderStagesTotal;
669 };
670
TestShaderProgram(Context & context,const int samplerTotal,TestFunction testFunction)671 TestShaderProgram::TestShaderProgram (Context& context, const int samplerTotal, TestFunction testFunction)
672 : m_gl (&context.getRenderContext().getFunctions())
673 , m_samplerTotal (samplerTotal)
674 , m_shaderStagesTotal (2)
675 {
676 std::ostringstream shaderFragment;
677
678 const char* const shaderVertex =
679 "#version 310 es \n"
680 "layout (location = 0) in mediump vec3 aPosition; \n"
681 "layout (location = 1) in mediump vec2 aTexCoord; \n"
682 "out mediump vec2 vs_aTexCoord; \n"
683 "void main () \n"
684 "{ \n"
685 " gl_Position = vec4(aPosition, 1.0f); \n"
686 " vs_aTexCoord = aTexCoord; \n"
687 "} \n";
688
689 shaderFragment
690 << "#version 310 es \n"
691 << "in mediump vec2 vs_aTexCoord; \n"
692 << "layout (location = 0) out mediump vec4 fs_aColor0; \n";
693
694 for (int samplerIdx = 0; samplerIdx < m_samplerTotal; samplerIdx++)
695 shaderFragment
696 << "uniform sampler2D uTexture" << samplerIdx << "; \n";
697
698 shaderFragment
699 << "uniform int uFunctionType; \n";
700
701 if (testFunction.hasFunction)
702 shaderFragment
703 << "uniform int uBlendFunctionType; \n"
704 << "uniform mediump float uFactorSrc; \n"
705 << "uniform mediump float uFactorDst; \n"
706 << testFunction.functionDefintion;
707
708 shaderFragment
709 << "void main () \n"
710 << "{ \n";
711
712 for (int samplerIdx = 0; samplerIdx < m_samplerTotal; samplerIdx++)
713 shaderFragment
714 <<" mediump vec4 texelColor" << samplerIdx << " = vec4(0.0f, 0.0f, 0.0f, 1.0f); \n";
715
716 shaderFragment
717 << buildSamplingPassType(m_samplerTotal);
718
719 if (testFunction.hasFunction)
720 shaderFragment
721 << " fs_aColor0 = " << testFunction.functionName << "(texelColor0, texelColor1); \n";
722 else
723 shaderFragment
724 << " fs_aColor0 = texelColor0; \n";
725
726 shaderFragment
727 << "} \n";
728
729 m_referenceSource = de::MovePtr<glu::ShaderProgram>(new glu::ShaderProgram(context.getRenderContext(), glu::makeVtxFragSources(shaderVertex, shaderFragment.str())));
730 if (!m_referenceSource->isOk())
731 {
732 tcu::TestLog& log = context.getTestContext().getLog();
733 log << this->getLogInfo();
734 TCU_FAIL("Failed to compile shaders and link program");
735 }
736 }
737
~TestShaderProgram(void)738 TestShaderProgram::~TestShaderProgram (void)
739 {
740 m_referenceSource = de::MovePtr<glu::ShaderProgram>(DE_NULL);
741 m_referenceSource.clear();
742 }
743
getHandle(void) const744 deUint32 TestShaderProgram::getHandle (void) const
745 {
746 return m_referenceSource->getProgram();
747 }
748
use(void) const749 void TestShaderProgram::use (void) const
750 {
751 m_gl->useProgram(this->getHandle());
752 }
753
unuse(void) const754 void TestShaderProgram::unuse (void) const
755 {
756 m_gl->useProgram(0);
757 }
758
getLogInfo(void)759 glu::ShaderProgramInfo TestShaderProgram::getLogInfo (void)
760 {
761 glu::ShaderProgramInfo buildInfo;
762
763 // log shader program info. Only vertex and fragment shaders included
764 buildInfo.program = m_referenceSource->getProgramInfo();
765 for (int shaderIdx = 0; shaderIdx < m_shaderStagesTotal; shaderIdx++)
766 {
767 glu::ShaderInfo shaderInfo = m_referenceSource->getShaderInfo(static_cast<glu::ShaderType>(static_cast<int>(glu::SHADERTYPE_VERTEX) + static_cast<int>(shaderIdx)), 0);
768 buildInfo.shaders.push_back(shaderInfo);
769 }
770 return buildInfo;
771 }
772
773 class Renderer
774 {
775 public:
776 Renderer (Context& context);
777 ~Renderer (void);
778
779 void init (const TestRenderPassConfig& renderPassConfig, const int renderpass);
780 void deinit (void);
781
782 void setSamplingType (const SamplingType samplerIdx);
783 void setBlendIteration (const int blendIteration);
784 void setFramebufferBlend (const bool blend);
785 void setFramebufferSRGB (const bool sRGB);
786
787 std::vector<tcu::Vec4> getResultsPreDraw (void) const;
788 std::vector<tcu::Vec4> getResultsPostDraw (void) const;
789 int getBlendConfigCount (void) const;
790 glu::ShaderProgramInfo getShaderProgramInfo (void);
791
792 void copyFrameBufferTexture (const int srcPx, const int srcPy, const int dstPx, const int dstPy);
793 void draw (void);
794 void storeShaderProgramInfo (void);
795 void logShaderProgramInfo (void);
796
797 typedef de::SharedPtr<TestTexture2D> TextureSp;
798 typedef de::SharedPtr<TestFramebuffer> FboSp;
799
800 private:
801 void createFBOwithColorAttachment (const std::vector<FBOConfig> fboConfigList);
802 void setShaderProgramSamplingType (const int samplerIdx);
803 void setShaderBlendFunctionType (void);
804 void setShaderBlendSrcDstValues (void);
805 void bindActiveTexturesSamplers (void);
806 void bindAllRequiredSourceTextures (const TextureSourcesType texturesRequired);
807 void unbindAllSourceTextures (void);
808 void bindFramebuffer (const int framebufferIdx);
809 void unbindFramebuffer (const int framebufferIdx);
810 void enableFramebufferSRGB (void);
811 void enableFramebufferBlend (void);
812 bool isFramebufferAttachmentSRGB (const deUint32 targetType, const deUint32 attachment) const;
813 void readTexels (const int px, const int py, const deUint32 attachment, tcu::Vec4& texelData);
814 void logState (const deUint32 targetType, const deUint32 attachment, const SamplingType samplingType) const;
815
816 // renderer specific constants initialized during constructor
817 Context& m_context;
818 const TestVertexData m_vertexData;
819 const int m_textureSourceTotal;
820
821 // additional resources monitored by the renderer
822 std::vector<BlendConfig> m_blendConfigList;
823 std::vector<TextureSp> m_textureSourceList;
824 TestRenderPassConfig m_renderPassConfig;
825 std::vector<TextureSp> m_fboTextureList;
826 TestShaderProgram* m_shaderProgram;
827 std::vector<FboSp> m_framebufferList;
828 std::vector<tcu::Vec4> m_resultsListPreDraw;
829 std::vector<tcu::Vec4> m_resultsListPostDraw;
830
831 // mutable state variables (internal access only)
832 bool m_hasShaderProgramInfo;
833 int m_renderPass;
834 int m_samplersRequired;
835 bool m_hasFunction;
836 bool m_blittingEnabled;
837 glu::ShaderProgramInfo m_shaderProgramInfo;
838
839 // mutable state variables (external access via setters)
840 SamplingType m_samplingType;
841 int m_blendIteration;
842 bool m_framebufferBlendEnabled;
843 bool m_framebufferSRGBEnabled;
844 };
845
Renderer(Context & context)846 Renderer::Renderer (Context& context)
847 : m_context (context)
848 , m_vertexData (context)
849 , m_textureSourceTotal (2)
850 , m_blendConfigList (getBlendingConfigList())
851 , m_hasShaderProgramInfo (false)
852 {
853 TextureSp textureLinear(new TestTexture2D(m_context, GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, getTestColorLinear()));
854 m_textureSourceList.push_back(textureLinear);
855
856 TextureSp textureSRGB(new TestTexture2D(m_context, GL_SRGB8_ALPHA8, GL_RGBA, GL_UNSIGNED_BYTE, getTestColorLinear()));
857 m_textureSourceList.push_back(textureSRGB);
858 }
859
~Renderer(void)860 Renderer::~Renderer (void)
861 {
862 m_textureSourceList.clear();
863 this->deinit();
864 }
865
init(const TestRenderPassConfig & renderPassConfig,const int renderpass)866 void Renderer::init (const TestRenderPassConfig& renderPassConfig, const int renderpass)
867 {
868 m_renderPassConfig = renderPassConfig;
869 m_renderPass = renderpass;
870
871 this->createFBOwithColorAttachment(m_renderPassConfig.fboConfigList);
872
873 if (m_renderPassConfig.textureSourcesType != TEXTURESOURCESTYPE_NONE)
874 {
875 if (m_renderPassConfig.textureSourcesType == TEXTURESOURCESTYPE_RGBA || m_renderPassConfig.textureSourcesType == TEXTURESOURCESTYPE_SRGBA)
876 m_samplersRequired = 1;
877 else if (m_renderPassConfig.textureSourcesType ==TEXTURESOURCESTYPE_BOTH )
878 m_samplersRequired = 2;
879 else
880 DE_FATAL("Error: Texture source required not recognised");
881
882 m_shaderProgram = new TestShaderProgram(m_context, m_samplersRequired, m_renderPassConfig.testFunction);
883 m_hasFunction = m_renderPassConfig.testFunction.hasFunction;
884 }
885 else
886 m_shaderProgram = DE_NULL;
887 }
888
deinit(void)889 void Renderer::deinit (void)
890 {
891 if (m_shaderProgram != DE_NULL)
892 {
893 delete m_shaderProgram;
894 m_shaderProgram = DE_NULL;
895 }
896
897 m_fboTextureList.clear();
898 m_framebufferList.clear();
899 }
900
setSamplingType(const SamplingType samplingType)901 void Renderer::setSamplingType (const SamplingType samplingType)
902 {
903 m_samplingType = samplingType;
904 }
905
setBlendIteration(const int blendIteration)906 void Renderer::setBlendIteration (const int blendIteration)
907 {
908 m_blendIteration = blendIteration;
909 }
910
setFramebufferBlend(const bool blend)911 void Renderer::setFramebufferBlend (const bool blend)
912 {
913 m_framebufferBlendEnabled = blend;
914 }
915
setFramebufferSRGB(const bool sRGB)916 void Renderer::setFramebufferSRGB (const bool sRGB)
917 {
918 m_framebufferSRGBEnabled = sRGB;
919 }
920
getResultsPreDraw(void) const921 std::vector<tcu::Vec4> Renderer::getResultsPreDraw (void) const
922 {
923 return m_resultsListPreDraw;
924 }
925
getResultsPostDraw(void) const926 std::vector<tcu::Vec4> Renderer::getResultsPostDraw (void) const
927 {
928 return m_resultsListPostDraw;
929 }
930
getBlendConfigCount(void) const931 int Renderer::getBlendConfigCount (void) const
932 {
933 return (int)m_blendConfigList.size();
934 }
935
copyFrameBufferTexture(const int srcPx,const int srcPy,const int dstPx,const int dstPy)936 void Renderer::copyFrameBufferTexture (const int srcPx, const int srcPy, const int dstPx, const int dstPy)
937 {
938 const glw::Functions& gl = m_context.getRenderContext().getFunctions();
939 int fboSrcIdx = -1;
940 int fboDstIdx = -1;
941 deUint32 fboSrcColAttachment = GL_NONE;
942 deUint32 fboDstColAttachment = GL_NONE;
943
944 for (int idx = 0; idx < (int)m_framebufferList.size(); idx++)
945 this->bindFramebuffer(idx);
946
947 // cache fbo attachments and idx locations
948 for (int idx = 0; idx < (int)m_framebufferList.size(); idx++)
949 {
950 if (m_framebufferList[idx]->getType() == FBOTYPE_SOURCE)
951 {
952 fboSrcIdx = m_framebufferList[idx]->getIdx();
953 fboSrcColAttachment = m_framebufferList[fboSrcIdx]->getColorAttachment();
954 }
955 if (m_framebufferList[idx]->getType() == FBOTYPE_DESTINATION)
956 {
957 fboDstIdx = m_framebufferList[idx]->getIdx();
958 fboDstColAttachment = m_framebufferList[fboDstIdx]->getColorAttachment();
959 }
960 }
961
962 for (int idx = 0; idx < (int)m_framebufferList.size(); idx++)
963 m_framebufferList[idx]->unbind();
964
965 // store texel data from both src and dst before performing the copy
966 m_resultsListPreDraw.resize(2);
967 m_framebufferList[fboSrcIdx]->bind();
968 this->readTexels(0, 0, fboSrcColAttachment, m_resultsListPreDraw[0]);
969 m_framebufferList[fboSrcIdx]->unbind();
970 m_framebufferList[fboDstIdx]->setTargetType(GL_READ_FRAMEBUFFER);
971 m_framebufferList[fboDstIdx]->bind();
972 this->readTexels(0, 0, fboDstColAttachment, m_resultsListPreDraw[1]);
973 m_framebufferList[fboDstIdx]->unbind();
974 m_framebufferList[fboDstIdx]->setTargetType(GL_DRAW_FRAMEBUFFER);
975
976 m_framebufferList[fboSrcIdx]->bind();
977 m_framebufferList[fboDstIdx]->bind();
978
979 this->enableFramebufferSRGB();
980 this->enableFramebufferBlend();
981
982 gl.blitFramebuffer( srcPx, srcPy, TestTextureSizes::WIDTH, TestTextureSizes::HEIGHT,
983 dstPx, dstPy, TestTextureSizes::WIDTH, TestTextureSizes::HEIGHT,
984 GL_COLOR_BUFFER_BIT, GL_NEAREST);
985
986 m_resultsListPostDraw.resize(2);
987 this->readTexels(0, 0, fboSrcColAttachment, m_resultsListPostDraw[0]);
988 m_framebufferList[fboSrcIdx]->unbind();
989 m_framebufferList[fboDstIdx]->unbind();
990
991 m_framebufferList[fboDstIdx]->setTargetType(GL_READ_FRAMEBUFFER);
992 m_framebufferList[fboDstIdx]->bind();
993 this->readTexels(0, 0, fboDstColAttachment, m_resultsListPostDraw[1]);
994 m_framebufferList[fboDstIdx]->unbind();
995 }
996
draw(void)997 void Renderer::draw (void)
998 {
999 const glw::Functions& gl = m_context.getRenderContext().getFunctions();
1000
1001 if (m_renderPassConfig.textureSourcesType == TEXTURESOURCESTYPE_NONE)
1002 DE_FATAL("Error: Attempted to draw with no texture sources");
1003
1004 // resize results storage with each render pass
1005 m_resultsListPreDraw.resize(m_renderPass + 1);
1006 m_resultsListPostDraw.resize(m_renderPass + 1);
1007
1008 m_shaderProgram->use();
1009 m_vertexData.bind();
1010
1011 for (int idx = 0; idx < (int)m_framebufferList.size(); idx++)
1012 this->bindFramebuffer(idx);
1013
1014 this->bindAllRequiredSourceTextures(m_renderPassConfig.textureSourcesType);
1015 this->bindActiveTexturesSamplers();
1016
1017 this->enableFramebufferSRGB();
1018 this->enableFramebufferBlend();
1019
1020 this->readTexels(0, 0, GL_COLOR_ATTACHMENT0, m_resultsListPreDraw[m_renderPass]);
1021 this->setShaderProgramSamplingType(m_samplingType);
1022 if (m_hasFunction)
1023 {
1024 this->setShaderBlendFunctionType();
1025 this->setShaderBlendSrcDstValues();
1026 }
1027
1028 gl.drawArrays(GL_TRIANGLES, 0, 6);
1029
1030 this->readTexels(0, 0, GL_COLOR_ATTACHMENT0, m_resultsListPostDraw[m_renderPass]);
1031 this->logState(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, m_samplingType);
1032
1033 this->unbindAllSourceTextures();
1034 for (int idx = 0; idx < (int)m_framebufferList.size(); idx++)
1035 this->unbindFramebuffer(idx);
1036 m_vertexData.unbind();
1037 m_shaderProgram->unuse();
1038 }
1039
storeShaderProgramInfo(void)1040 void Renderer::storeShaderProgramInfo (void)
1041 {
1042 m_shaderProgramInfo = m_shaderProgram->getLogInfo();
1043 m_hasShaderProgramInfo = true;
1044 }
1045
logShaderProgramInfo(void)1046 void Renderer::logShaderProgramInfo (void)
1047 {
1048 tcu::TestLog& log = m_context.getTestContext().getLog();
1049
1050 if (m_hasShaderProgramInfo)
1051 log << m_shaderProgramInfo;
1052 }
1053
createFBOwithColorAttachment(const std::vector<FBOConfig> fboConfigList)1054 void Renderer::createFBOwithColorAttachment (const std::vector<FBOConfig> fboConfigList)
1055 {
1056 const int size = (int)fboConfigList.size();
1057 for (int idx = 0; idx < size; idx++)
1058 {
1059 TextureSp texture(new TestTexture2D(m_context, fboConfigList[idx].textureInternalFormat, GL_RGBA, GL_UNSIGNED_BYTE, fboConfigList[idx].textureColor));
1060 m_fboTextureList.push_back(texture);
1061
1062 bool isSRGB;
1063 if (fboConfigList[idx].textureInternalFormat == GL_SRGB8_ALPHA8)
1064 isSRGB = true;
1065 else
1066 isSRGB = false;
1067
1068 FboSp framebuffer(new TestFramebuffer(m_context, fboConfigList[idx].fboTargetType, fboConfigList[idx].fboColorAttachment, texture->getHandle(), isSRGB, fboConfigList[idx].fboType, idx));
1069 m_framebufferList.push_back(framebuffer);
1070 }
1071 }
1072
setShaderProgramSamplingType(const int samplerIdx)1073 void Renderer::setShaderProgramSamplingType (const int samplerIdx)
1074 {
1075 const glw::Functions& gl = m_context.getRenderContext().getFunctions();
1076
1077 glw::GLuint location = gl.getUniformLocation(m_shaderProgram->getHandle(), "uFunctionType");
1078 DE_ASSERT(location != (glw::GLuint)-1);
1079 gl.uniform1i(location, samplerIdx);
1080 }
1081
setShaderBlendFunctionType(void)1082 void Renderer::setShaderBlendFunctionType (void)
1083 {
1084 const glw::Functions& gl = m_context.getRenderContext().getFunctions();
1085
1086 int function = -1;
1087 if (m_blendConfigList[m_blendIteration].equation == GL_FUNC_ADD)
1088 function = 0;
1089 else if (m_blendConfigList[m_blendIteration].equation == GL_FUNC_SUBTRACT)
1090 function = 1;
1091 else if (m_blendConfigList[m_blendIteration].equation == GL_FUNC_REVERSE_SUBTRACT)
1092 function = 2;
1093 else
1094 DE_FATAL("Error: Blend function not recognised");
1095
1096 glw::GLuint location = gl.getUniformLocation(m_shaderProgram->getHandle(), "uBlendFunctionType");
1097 DE_ASSERT(location != (glw::GLuint)-1);
1098 gl.uniform1i(location, function);
1099 }
1100
setShaderBlendSrcDstValues(void)1101 void Renderer::setShaderBlendSrcDstValues (void)
1102 {
1103 const glw::Functions& gl = m_context.getRenderContext().getFunctions();
1104
1105 float funcSrc;
1106 if (m_blendConfigList[m_blendIteration].funcSrc == GL_ONE)
1107 funcSrc = 1.0f;
1108 else
1109 funcSrc = 0.0f;
1110
1111 float funcDst;
1112 if (m_blendConfigList[m_blendIteration].funcDst == GL_ONE)
1113 funcDst = 1.0f;
1114 else
1115 funcDst = 0.0f;
1116
1117 glw::GLuint locationSrc = gl.getUniformLocation(m_shaderProgram->getHandle(), "uFactorSrc");
1118 gl.uniform1f(locationSrc, funcSrc);
1119 GLU_EXPECT_NO_ERROR(gl.getError(), "glUniform1f()");
1120
1121 glw::GLuint locationDst = gl.getUniformLocation(m_shaderProgram->getHandle(), "uFactorDst");
1122 gl.uniform1f(locationDst, funcDst);
1123 GLU_EXPECT_NO_ERROR(gl.getError(), "glUniform1f()");
1124 }
1125
bindActiveTexturesSamplers(void)1126 void Renderer::bindActiveTexturesSamplers (void)
1127 {
1128 const glw::Functions& gl = m_context.getRenderContext().getFunctions();
1129
1130 for (int idx = 0; idx < m_samplersRequired; idx++)
1131 {
1132 std::ostringstream stream;
1133 stream << "uTexture" << idx;
1134 std::string uniformName(stream.str());
1135 glw::GLint location = gl.getUniformLocation(m_shaderProgram->getHandle(), uniformName.c_str());
1136 DE_ASSERT(location != -1);
1137 gl.uniform1i(location, m_textureSourceList[idx]->getTextureUnit());
1138 GLU_EXPECT_NO_ERROR(gl.getError(), "glGetUniformLocation()");
1139 }
1140 }
1141
bindAllRequiredSourceTextures(const TextureSourcesType texturesRequired)1142 void Renderer::bindAllRequiredSourceTextures (const TextureSourcesType texturesRequired)
1143 {
1144 if (texturesRequired == TEXTURESOURCESTYPE_RGBA)
1145 m_textureSourceList[0]->bind(0);
1146 else if (texturesRequired == TEXTURESOURCESTYPE_SRGBA)
1147 m_textureSourceList[1]->bind(0);
1148 else if (texturesRequired == TEXTURESOURCESTYPE_BOTH)
1149 {
1150 m_textureSourceList[0]->bind(0);
1151 m_textureSourceList[1]->bind(1);
1152 }
1153 else
1154 DE_FATAL("Error: Invalid sources requested in bind all");
1155 }
1156
unbindAllSourceTextures(void)1157 void Renderer::unbindAllSourceTextures (void)
1158 {
1159 for (int idx = 0; idx < (int)m_textureSourceList.size(); idx++)
1160 m_textureSourceList[idx]->unbind();
1161 }
1162
bindFramebuffer(const int framebufferIdx)1163 void Renderer::bindFramebuffer (const int framebufferIdx)
1164 {
1165 m_framebufferList[framebufferIdx]->bind();
1166 }
1167
unbindFramebuffer(const int framebufferIdx)1168 void Renderer::unbindFramebuffer (const int framebufferIdx)
1169 {
1170 m_framebufferList[framebufferIdx]->unbind();
1171 }
1172
enableFramebufferSRGB(void)1173 void Renderer::enableFramebufferSRGB (void)
1174 {
1175 const glw::Functions& gl = m_context.getRenderContext().getFunctions();
1176
1177 if (m_framebufferSRGBEnabled)
1178 gl.enable(GL_FRAMEBUFFER_SRGB);
1179 else
1180 gl.disable(GL_FRAMEBUFFER_SRGB);
1181 }
1182
enableFramebufferBlend(void)1183 void Renderer::enableFramebufferBlend (void)
1184 {
1185 const glw::Functions& gl = m_context.getRenderContext().getFunctions();
1186 tcu::TestLog& log = m_context.getTestContext().getLog();
1187 std::ostringstream message;
1188
1189 message << "Blend settings = ";
1190
1191 if (m_framebufferBlendEnabled)
1192 {
1193 gl.enable(GL_BLEND);
1194 gl.blendEquation(m_blendConfigList[m_blendIteration].equation);
1195 gl.blendFunc(m_blendConfigList[m_blendIteration].funcSrc, m_blendConfigList[m_blendIteration].funcDst);
1196
1197 std::string equation, src, dst;
1198 if (m_blendConfigList[m_blendIteration].equation == GL_FUNC_ADD)
1199 equation = "GL_FUNC_ADD";
1200 if (m_blendConfigList[m_blendIteration].equation == GL_FUNC_SUBTRACT)
1201 equation = "GL_FUNC_SUBTRACT";
1202 if (m_blendConfigList[m_blendIteration].equation == GL_FUNC_REVERSE_SUBTRACT)
1203 equation = "GL_FUNC_REVERSE_SUBTRACT";
1204 if (m_blendConfigList[m_blendIteration].funcSrc == GL_ONE)
1205 src = "GL_ONE";
1206 else
1207 src = "GL_ZERO";
1208 if (m_blendConfigList[m_blendIteration].funcDst == GL_ONE)
1209 dst = "GL_ONE";
1210 else
1211 dst = "GL_ZERO";
1212
1213 message << "Enabled: equation = " << equation << ", func src = " << src << ", func dst = " << dst;
1214 }
1215 else
1216 {
1217 gl.disable(GL_BLEND);
1218 message << "Disabled";
1219 }
1220
1221 log << tcu::TestLog::Message << message.str() << tcu::TestLog::EndMessage;
1222 }
1223
isFramebufferAttachmentSRGB(const deUint32 targetType,const deUint32 attachment) const1224 bool Renderer::isFramebufferAttachmentSRGB (const deUint32 targetType, const deUint32 attachment) const
1225 {
1226 const glw::Functions& gl = m_context.getRenderContext().getFunctions();
1227 glw::GLint encodingType;
1228
1229 gl.getFramebufferAttachmentParameteriv(targetType, attachment, GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING, &encodingType);
1230 GLU_EXPECT_NO_ERROR(gl.getError(), "glGetNamedFramebufferAttachmentParameteriv()");
1231
1232 switch (static_cast<glw::GLenum>(encodingType))
1233 {
1234 case GL_SRGB:
1235 {
1236 return true;
1237 break;
1238 }
1239 case GL_LINEAR:
1240 {
1241 return false;
1242 break;
1243 }
1244 default:
1245 {
1246 DE_FATAL("Error: Color attachment format not recognised");
1247 return false;
1248 }
1249 }
1250 }
1251
readTexels(const int px,const int py,const deUint32 mode,tcu::Vec4 & texelData)1252 void Renderer::readTexels (const int px, const int py, const deUint32 mode, tcu::Vec4& texelData)
1253 {
1254 const glw::Functions& gl = m_context.getRenderContext().getFunctions();
1255 tcu::TextureLevel textureRead;
1256
1257 // ensure result sampling coordinates are within range of the result color attachment
1258 DE_ASSERT((px >= 0) && (px < m_context.getRenderTarget().getWidth()));
1259 DE_ASSERT((py >= 0) && (py < m_context.getRenderTarget().getHeight()));
1260
1261 gl.readBuffer(mode);
1262 textureRead.setStorage(glu::mapGLTransferFormat(GL_RGBA, GL_UNSIGNED_BYTE), TestTextureSizes::WIDTH, TestTextureSizes::HEIGHT);
1263 glu::readPixels(m_context.getRenderContext(), px, py, textureRead.getAccess());
1264 GLU_EXPECT_NO_ERROR(gl.getError(), "glReadPixels()");
1265 texelData = textureRead.getAccess().getPixel(px, py);
1266 }
1267
logState(const deUint32 targetType,const deUint32 attachment,const SamplingType samplingType) const1268 void Renderer::logState (const deUint32 targetType, const deUint32 attachment, const SamplingType samplingType) const
1269 {
1270 tcu::TestLog& log = m_context.getTestContext().getLog();
1271 std::ostringstream message;
1272
1273 bool fboAttachmentSRGB = this->isFramebufferAttachmentSRGB(targetType, attachment);
1274 message.str("");
1275 message << "getFramebufferAttachmentParameteriv() check = ";
1276 if (fboAttachmentSRGB)
1277 message << "GL_SRGB";
1278 else
1279 message << "GL_LINEAR";
1280 log << tcu::TestLog::Message << message.str() << tcu::TestLog::EndMessage;
1281
1282 message.str("");
1283 message << "Framebuffer color attachment value BEFORE draw call";
1284 logColor(m_context, message.str(), m_resultsListPreDraw[m_renderPass]);
1285
1286 message.str("");
1287 message << "Framebuffer color attachment value AFTER draw call";
1288 logColor(m_context, message.str(), m_resultsListPostDraw[m_renderPass]);
1289
1290 message.str("");
1291 message << "Sampling type = ";
1292 std::string type;
1293 if (samplingType == 0)
1294 type = "texture()";
1295 else if (samplingType == 1)
1296 type = "textureLOD()";
1297 else if (samplingType == 2)
1298 type = "textureGrad()";
1299 else if (samplingType == 3)
1300 type = "textureOffset()";
1301 else if (samplingType == 4)
1302 type = "textureProj()";
1303 else
1304 DE_FATAL("Error: Sampling type unregonised");
1305 message << type;
1306 log << tcu::TestLog::Message << message.str() << tcu::TestLog::EndMessage;
1307
1308 message.str("");
1309 if (m_framebufferSRGBEnabled)
1310 message << "Framebuffer SRGB = enabled";
1311 else
1312 message << "Framebuffer SRGB = disabled";
1313 log << tcu::TestLog::Message << message.str() << tcu::TestLog::EndMessage;
1314 }
1315
1316 class FboSRGBTestCase : public TestCase
1317 {
1318 public:
1319 FboSRGBTestCase (Context& context, const char* const name, const char* const desc);
1320 ~FboSRGBTestCase (void);
1321
1322 void init (void);
1323 void deinit (void);
1324 IterateResult iterate (void);
1325
1326 void setTestConfig (std::vector<TestRenderPassConfig> renderPassConfigList);
1327
1328 virtual void setupTest (void) = 0;
1329 virtual bool verifyResult (void) = 0;
1330
1331 protected:
1332 bool m_hasTestConfig;
1333 std::vector<TestRenderPassConfig> m_renderPassConfigList;
1334 bool m_testcaseRequiresBlend;
1335 std::vector<tcu::Vec4> m_resultsPreDraw;
1336 std::vector<tcu::Vec4> m_resultsPostDraw;
1337
1338 private:
1339 FboSRGBTestCase (const FboSRGBTestCase&);
1340 FboSRGBTestCase& operator= (const FboSRGBTestCase&);
1341 };
1342
FboSRGBTestCase(Context & context,const char * const name,const char * const desc)1343 FboSRGBTestCase::FboSRGBTestCase (Context& context, const char* const name, const char* const desc)
1344 : TestCase (context, name, desc)
1345 , m_hasTestConfig (false)
1346 {
1347 }
1348
~FboSRGBTestCase(void)1349 FboSRGBTestCase::~FboSRGBTestCase (void)
1350 {
1351 FboSRGBTestCase::deinit();
1352 }
1353
init(void)1354 void FboSRGBTestCase::init (void)
1355 {
1356 // extensions requirements for test
1357 if (!glu::contextSupports(m_context.getRenderContext().getType(), glu::ApiType::es(3, 2)))
1358 TCU_THROW(NotSupportedError, "Test requires a context version equal or higher than 3.2");
1359
1360 if (!m_context.getContextInfo().isExtensionSupported("GL_EXT_sRGB_write_control"))
1361 TCU_THROW(NotSupportedError, "Test requires extension GL_EXT_sRGB_write_control");
1362
1363 if (!m_context.getContextInfo().isExtensionSupported("GL_EXT_texture_sRGB_decode"))
1364 TCU_THROW(NotSupportedError, "Test requires GL_EXT_texture_sRGB_decode extension");
1365 }
1366
deinit(void)1367 void FboSRGBTestCase::deinit (void)
1368 {
1369 }
1370
iterate(void)1371 FboSRGBTestCase::IterateResult FboSRGBTestCase::iterate (void)
1372 {
1373 this->setupTest();
1374
1375 DE_ASSERT(m_hasTestConfig && "Error: Renderer was not supplied a test config");
1376
1377 Renderer renderer(m_context);
1378
1379 // loop through each sampling type
1380 for (int samplingIdx = 0; samplingIdx < SampligTypeCount::MAX; samplingIdx++)
1381 {
1382 renderer.setSamplingType(static_cast<SamplingType>(samplingIdx));
1383
1384 // loop through each blend configuration
1385 const int blendCount = renderer.getBlendConfigCount();
1386 for (int blendIdx = 0; blendIdx < blendCount; blendIdx++)
1387 {
1388 // loop through each render pass
1389 const int renderPassCount = (int)m_renderPassConfigList.size();
1390 for (int renderPassIdx = 0; renderPassIdx < renderPassCount; renderPassIdx++)
1391 {
1392 TestRenderPassConfig renderPassConfig = m_renderPassConfigList[renderPassIdx];
1393
1394 renderer.init(renderPassConfig, renderPassIdx);
1395
1396 if (blendIdx == 0 && renderPassConfig.rendererTask == RENDERERTASK_DRAW)
1397 renderer.storeShaderProgramInfo();
1398
1399 if (renderPassConfig.frameBufferBlend == FRAMEBUFFERBLEND_ENABLED)
1400 {
1401 renderer.setBlendIteration(blendIdx);
1402 renderer.setFramebufferBlend(true);
1403 }
1404 else
1405 renderer.setFramebufferBlend(false);
1406
1407 if (renderPassConfig.framebufferSRGB == FRAMEBUFFERSRGB_ENABLED)
1408 renderer.setFramebufferSRGB(true);
1409 else
1410 renderer.setFramebufferSRGB(false);
1411
1412 if (renderPassConfig.rendererTask == RENDERERTASK_DRAW)
1413 renderer.draw();
1414 else if (renderPassConfig.rendererTask == RENDERERTASK_COPY)
1415 renderer.copyFrameBufferTexture(0, 0, 0, 0);
1416 else
1417 DE_FATAL("Error: render task not recognised");
1418
1419 renderer.deinit();
1420
1421 } // render passes
1422
1423 m_resultsPreDraw = renderer.getResultsPreDraw();
1424 m_resultsPostDraw = renderer.getResultsPostDraw();
1425
1426 bool testPassed = this->verifyResult();
1427 if (testPassed)
1428 m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
1429 else
1430 {
1431 m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Result verification failed");
1432 renderer.logShaderProgramInfo();
1433 return STOP;
1434 }
1435
1436 if (!m_testcaseRequiresBlend)
1437 break;
1438 } // blend configs
1439
1440 renderer.logShaderProgramInfo();
1441 } // sampling types
1442
1443 return STOP;
1444 }
1445
setTestConfig(std::vector<TestRenderPassConfig> renderPassConfigList)1446 void FboSRGBTestCase::setTestConfig (std::vector<TestRenderPassConfig> renderPassConfigList)
1447 {
1448 m_renderPassConfigList = renderPassConfigList;
1449 m_hasTestConfig = true;
1450
1451 for (int idx = 0; idx < (int)renderPassConfigList.size(); idx++)
1452 {
1453 if (renderPassConfigList[idx].frameBufferBlend == FRAMEBUFFERBLEND_ENABLED)
1454 {
1455 m_testcaseRequiresBlend = true;
1456 return;
1457 }
1458 }
1459 m_testcaseRequiresBlend = false;
1460 }
1461
1462 class FboSRGBQueryCase : public TestCase
1463 {
1464 public:
1465 FboSRGBQueryCase (Context& context, const char* const name, const char* const description);
1466 ~FboSRGBQueryCase (void);
1467
1468 void init (void);
1469 void deinit (void);
1470 IterateResult iterate (void);
1471 };
1472
FboSRGBQueryCase(Context & context,const char * const name,const char * const description)1473 FboSRGBQueryCase::FboSRGBQueryCase (Context& context, const char* const name, const char* const description)
1474 : TestCase (context, name, description)
1475 {
1476 }
1477
~FboSRGBQueryCase(void)1478 FboSRGBQueryCase::~FboSRGBQueryCase (void)
1479 {
1480 FboSRGBQueryCase::deinit();
1481 }
1482
init(void)1483 void FboSRGBQueryCase::init (void)
1484 {
1485 // extension requirements for test
1486 if (!m_context.getContextInfo().isExtensionSupported("GL_EXT_sRGB_write_control"))
1487 TCU_THROW(NotSupportedError, "Test requires extension GL_EXT_sRGB_write_control");
1488 }
1489
deinit(void)1490 void FboSRGBQueryCase::deinit (void)
1491 {
1492 }
1493
iterate(void)1494 FboSRGBQueryCase::IterateResult FboSRGBQueryCase::iterate (void)
1495 {
1496 // TEST INFO:
1497 // API tests which check when querying FRAMEBUFFER_SRGB_EXT capability returns the correct information when using glEnabled() or glDisabled()
1498
1499 const glw::Functions& gl = m_context.getRenderContext().getFunctions();
1500 tcu::TestLog& log = m_context.getTestContext().getLog();
1501 const char* const msgPart = ", after disabling = ";
1502
1503 for (int idx = 0; idx < static_cast<int>(QUERYTYPE_LAST); idx++)
1504 {
1505 std::ostringstream message;
1506 bool pass = false;
1507
1508 message << std::string("Results: After Enabling = ");
1509
1510 gl.enable(GL_FRAMEBUFFER_SRGB);
1511
1512 switch (static_cast<QueryType>(idx))
1513 {
1514 case QUERYTYPE_ISENABLED:
1515 {
1516 glw::GLboolean enabled[2];
1517 enabled[0] = gl.isEnabled(GL_FRAMEBUFFER_SRGB);
1518 gl.disable(GL_FRAMEBUFFER_SRGB);
1519 enabled[1] = gl.isEnabled(GL_FRAMEBUFFER_SRGB);
1520
1521 message << static_cast<float>(enabled[0]) << msgPart << static_cast<float>(enabled[1]);
1522 pass = (enabled[0] && !(enabled[1])) ? true : false;
1523 break;
1524 }
1525 case QUERYTYPE_BOOLEAN:
1526 {
1527 glw::GLboolean enabled[2];
1528 gl.getBooleanv(GL_FRAMEBUFFER_SRGB,&enabled[0]);
1529 gl.disable(GL_FRAMEBUFFER_SRGB);
1530 gl.getBooleanv(GL_FRAMEBUFFER_SRGB,&enabled[1]);
1531
1532 message << static_cast<float>(enabled[0]) << msgPart << static_cast<float>(enabled[1]);
1533 pass = (enabled[0] && !(enabled[1])) ? true : false;
1534 break;
1535 }
1536 case QUERYTYPE_FLOAT:
1537 {
1538 glw::GLfloat enabled[2];
1539 gl.getFloatv(GL_FRAMEBUFFER_SRGB, &enabled[0]);
1540 gl.disable(GL_FRAMEBUFFER_SRGB);
1541 gl.getFloatv(GL_FRAMEBUFFER_SRGB, &enabled[1]);
1542
1543 message << static_cast<float>(enabled[0]) << msgPart << static_cast<float>(enabled[1]);
1544 pass = ((int)enabled[0] && !((int)enabled[1])) ? true : false;
1545 break;
1546 }
1547 case QUERYTYPE_INT:
1548 {
1549 glw::GLint enabled[2];
1550 gl.getIntegerv(GL_FRAMEBUFFER_SRGB, &enabled[0]);
1551 gl.disable(GL_FRAMEBUFFER_SRGB);
1552 gl.getIntegerv(GL_FRAMEBUFFER_SRGB, &enabled[1]);
1553
1554 message << static_cast<float>(enabled[0]) << msgPart << static_cast<float>(enabled[1]);
1555 pass = (enabled[0] && !(enabled[1])) ? true : false;
1556 break;
1557 }
1558 case QUERYTYPE_INT64:
1559 {
1560 glw::GLint64 enabled[2];
1561 gl.getInteger64v(GL_FRAMEBUFFER_SRGB, &enabled[0]);
1562 gl.disable(GL_FRAMEBUFFER_SRGB);
1563 gl.getInteger64v(GL_FRAMEBUFFER_SRGB, &enabled[1]);
1564
1565 message << static_cast<float>(enabled[0]) << msgPart << static_cast<float>(enabled[1]);
1566 pass = (enabled[0] && !(enabled[1])) ? true : false;
1567 break;
1568 }
1569 default:
1570 DE_FATAL("Error: Datatype not recognised");
1571 }
1572
1573 log << tcu::TestLog::Message << message.str() << tcu::TestLog::EndMessage;
1574
1575 if (pass)
1576 m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
1577 else
1578 {
1579 m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Result verification failed");
1580 return STOP;
1581 }
1582 }
1583 return STOP;
1584 }
1585
1586 class FboSRGBColAttachCase : public FboSRGBTestCase
1587 {
1588 public:
FboSRGBColAttachCase(Context & context,const char * const name,const char * const description)1589 FboSRGBColAttachCase (Context& context, const char* const name, const char* const description)
1590 : FboSRGBTestCase (context, name, description) {}
~FboSRGBColAttachCase(void)1591 ~FboSRGBColAttachCase (void) {}
1592
1593 void setupTest (void);
1594 bool verifyResult (void);
1595 };
1596
setupTest(void)1597 void FboSRGBColAttachCase::setupTest (void)
1598 {
1599 // TEST INFO:
1600 // Check if FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING set to SRGB and FRAMEBUFFER_SRGB_EXT enabled, destination colors are converted from SRGB to linear
1601 // before and after blending, finally the result is converted back to SRGB for storage
1602
1603 // NOTE:
1604 // if fbo pre-draw color set to linaer, color values get linearlized "twice"
1605 // (0.2f, 0.3f, 0.4f, 1.0f) when sampled i.e. converted in shader = (0.0331048f, 0.073239f, 0.132868f)
1606 // resulting in the follolwing blending equation (0.2f, 0.3f, 0.4f 1.0f) + (0.0331048, 0.073239, 0.132868) = (0.521569f, 0.647059f, 0.756863f, 1.0f)
1607
1608 FBOConfig fboConfig0 = FBOConfig(GL_SRGB8_ALPHA8, getTestColorLinear(), GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, FBOTYPE_SOURCE);
1609 FBOConfig fboConfig1 = FBOConfig(GL_RGBA8, getTestColorLinear(), GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, FBOTYPE_SOURCE);
1610
1611 const TestRenderPassConfig renderPassConfigs[] =
1612 {
1613 TestRenderPassConfig(TEXTURESOURCESTYPE_RGBA, fboConfig0, FRAMEBUFFERSRGB_ENABLED, FRAMEBUFFERBLEND_ENABLED, RENDERERTASK_DRAW),
1614 TestRenderPassConfig(TEXTURESOURCESTYPE_BOTH, fboConfig1, FRAMEBUFFERSRGB_DISABLED, FRAMEBUFFERBLEND_DISABLED, getFunctionBlendLinearToSRGBCheck(), RENDERERTASK_DRAW)
1615 };
1616 std::vector<TestRenderPassConfig> renderPassConfigList(renderPassConfigs, renderPassConfigs + DE_LENGTH_OF_ARRAY(renderPassConfigs));
1617
1618 this->setTestConfig(renderPassConfigList);
1619 }
1620
verifyResult(void)1621 bool FboSRGBColAttachCase::verifyResult (void)
1622 {
1623 if (tcu::boolAll(tcu::lessThan(tcu::abs(m_resultsPostDraw[0] - m_resultsPostDraw[1]), getEpsilonError())) || tcu::boolAll(tcu::equal(m_resultsPostDraw[0], m_resultsPostDraw[1])))
1624 return true;
1625 else
1626 return false;
1627 }
1628
1629 class FboSRGBToggleBlendCase : public FboSRGBTestCase
1630 {
1631 public:
FboSRGBToggleBlendCase(Context & context,const char * const name,const char * const description)1632 FboSRGBToggleBlendCase (Context& context, const char* const name, const char* const description)
1633 : FboSRGBTestCase (context, name, description) {}
~FboSRGBToggleBlendCase(void)1634 ~FboSRGBToggleBlendCase (void) {}
1635
1636 void setupTest (void);
1637 bool verifyResult (void);
1638 };
1639
setupTest(void)1640 void FboSRGBToggleBlendCase::setupTest (void)
1641 {
1642 // TEST INFO:
1643 // Test to check if changing FRAMEBUFFER_SRGB_EXT from enabled to disabled. Enabled should produce SRGB color whilst disabled
1644 // should produce linear color. Test conducted with blending disabled.
1645
1646 FBOConfig fboConfig0 = FBOConfig(GL_SRGB8_ALPHA8, getTestColorLinear(), GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, FBOTYPE_DESTINATION);
1647
1648 const TestRenderPassConfig renderPassConfigs[] =
1649 {
1650 TestRenderPassConfig(TEXTURESOURCESTYPE_RGBA, fboConfig0, FRAMEBUFFERSRGB_ENABLED, FRAMEBUFFERBLEND_DISABLED, TestFunction(false), RENDERERTASK_DRAW),
1651 TestRenderPassConfig(TEXTURESOURCESTYPE_RGBA, fboConfig0, FRAMEBUFFERSRGB_DISABLED, FRAMEBUFFERBLEND_DISABLED, TestFunction(false), RENDERERTASK_DRAW)
1652 };
1653 std::vector<TestRenderPassConfig> renderPassConfigList(renderPassConfigs, renderPassConfigs + DE_LENGTH_OF_ARRAY(renderPassConfigs));
1654
1655 this->setTestConfig(renderPassConfigList);
1656 }
1657
verifyResult(void)1658 bool FboSRGBToggleBlendCase::verifyResult (void)
1659 {
1660 if (tcu::boolAny(tcu::greaterThan(tcu::abs(m_resultsPostDraw[0] - m_resultsPostDraw[1]), getEpsilonError())))
1661 return true;
1662 else
1663 return false;
1664 }
1665
1666 class FboSRGBRenderTargetIgnoreCase : public FboSRGBTestCase
1667 {
1668 public:
FboSRGBRenderTargetIgnoreCase(Context & context,const char * const name,const char * const description)1669 FboSRGBRenderTargetIgnoreCase (Context& context, const char* const name, const char* const description)
1670 : FboSRGBTestCase (context, name, description) {}
~FboSRGBRenderTargetIgnoreCase(void)1671 ~FboSRGBRenderTargetIgnoreCase (void) {}
1672
1673 void setupTest (void);
1674 bool verifyResult (void);
1675 };
1676
setupTest(void)1677 void FboSRGBRenderTargetIgnoreCase::setupTest (void)
1678 {
1679 // TEST INFO:
1680 // Check if render targets that are non-RGB ignore the state of GL_FRAMEBUFFER_SRGB_EXT. Rendering to an fbo with non-sRGB color
1681 // attachment should ignore color space conversion, producing linear color.
1682
1683 FBOConfig fboConfig0 = FBOConfig(GL_RGBA8, getTestColorBlank(), GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, FBOTYPE_DESTINATION);
1684
1685 const TestRenderPassConfig renderPassConfigs[] =
1686 {
1687 TestRenderPassConfig(TEXTURESOURCESTYPE_RGBA, fboConfig0, FRAMEBUFFERSRGB_ENABLED, FRAMEBUFFERBLEND_DISABLED, TestFunction(false), RENDERERTASK_DRAW)
1688
1689 };
1690 std::vector<TestRenderPassConfig> renderPassConfigList(renderPassConfigs, renderPassConfigs + DE_LENGTH_OF_ARRAY(renderPassConfigs));
1691
1692 this->setTestConfig(renderPassConfigList);
1693 }
1694
verifyResult(void)1695 bool FboSRGBRenderTargetIgnoreCase::verifyResult (void)
1696 {
1697 if (tcu::boolAll(tcu::lessThan(tcu::abs(m_resultsPostDraw[0] - getTestColorLinear()), getEpsilonError())) || tcu::boolAll(tcu::equal(m_resultsPostDraw[0], getTestColorLinear())))
1698 return true;
1699 else
1700 return false;
1701 }
1702
1703 class FboSRGBCopyToLinearCase : public FboSRGBTestCase
1704 {
1705 public:
FboSRGBCopyToLinearCase(Context & context,const char * const name,const char * const description)1706 FboSRGBCopyToLinearCase (Context& context, const char* const name, const char* const description)
1707 : FboSRGBTestCase (context, name, description) {}
~FboSRGBCopyToLinearCase(void)1708 ~FboSRGBCopyToLinearCase (void) {}
1709
1710 void setupTest (void);
1711 bool verifyResult (void);
1712 };
1713
setupTest(void)1714 void FboSRGBCopyToLinearCase::setupTest (void)
1715 {
1716 // TEST INFO:
1717 // Check if copying from an fbo with an sRGB color attachment to an fbo with a linear color attachment with FRAMEBUFFER_EXT enabled results in
1718 // an sRGB to linear conversion
1719
1720 FBOConfig fboConfigs[] =
1721 {
1722 FBOConfig(GL_SRGB8_ALPHA8, getTestColorSRGB(), GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, FBOTYPE_SOURCE),
1723 FBOConfig(GL_RGBA8, getTestColorBlank(), GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, FBOTYPE_DESTINATION)
1724 };
1725 std::vector<FBOConfig> fboConfigList(fboConfigs, fboConfigs + DE_LENGTH_OF_ARRAY(fboConfigs));
1726
1727 const TestRenderPassConfig renderPassConfigs[] =
1728 {
1729 TestRenderPassConfig(TEXTURESOURCESTYPE_NONE, fboConfigList, FRAMEBUFFERSRGB_ENABLED, FRAMEBUFFERBLEND_DISABLED, TestFunction(false), RENDERERTASK_COPY)
1730 };
1731 std::vector<TestRenderPassConfig> renderPassConfigList(renderPassConfigs, renderPassConfigs + DE_LENGTH_OF_ARRAY(renderPassConfigs));
1732
1733 this->setTestConfig(renderPassConfigList);
1734 }
1735
verifyResult(void)1736 bool FboSRGBCopyToLinearCase::verifyResult (void)
1737 {
1738 logColor(m_context, "pre-copy source fbo color values", m_resultsPreDraw[0]);
1739 logColor(m_context, "pre-copy destination fbo color values", m_resultsPreDraw[1]);
1740 logColor(m_context, "post-copy source fbo color values", m_resultsPostDraw[0]);
1741 logColor(m_context, "post-copy destination fbo color values", m_resultsPostDraw[1]);
1742
1743 if (tcu::boolAll(tcu::lessThan(tcu::abs(m_resultsPostDraw[1] - getTestColorLinear()), getEpsilonError())) || tcu::boolAll(tcu::equal(m_resultsPostDraw[1], getTestColorLinear())))
1744 return true;
1745 else
1746 return false;
1747 }
1748
1749 class FboSRGBUnsupportedEnumCase : public TestCase
1750 {
1751 public:
1752 FboSRGBUnsupportedEnumCase (Context& context, const char* const name, const char* const description);
1753 ~FboSRGBUnsupportedEnumCase (void);
1754
1755 void init (void);
1756 void deinit (void);
1757 bool isInvalidEnum (std::string functionName);
1758 IterateResult iterate (void);
1759 };
1760
FboSRGBUnsupportedEnumCase(Context & context,const char * const name,const char * const description)1761 FboSRGBUnsupportedEnumCase::FboSRGBUnsupportedEnumCase (Context& context, const char* const name, const char* const description)
1762 : TestCase (context, name, description)
1763 {
1764 }
1765
~FboSRGBUnsupportedEnumCase(void)1766 FboSRGBUnsupportedEnumCase::~FboSRGBUnsupportedEnumCase (void)
1767 {
1768 FboSRGBUnsupportedEnumCase::deinit();
1769 }
1770
init(void)1771 void FboSRGBUnsupportedEnumCase::init (void)
1772 {
1773 // extension requirements for test
1774 if (m_context.getContextInfo().isExtensionSupported("GL_EXT_sRGB_write_control"))
1775 TCU_THROW(NotSupportedError, "Test requires extension GL_EXT_sRGB_write_control to be unsupported");
1776 }
1777
deinit(void)1778 void FboSRGBUnsupportedEnumCase::deinit (void)
1779 {
1780 }
1781
isInvalidEnum(std::string functionName)1782 bool FboSRGBUnsupportedEnumCase::isInvalidEnum (std::string functionName)
1783 {
1784 const glw::Functions& gl = m_context.getRenderContext().getFunctions();
1785 tcu::TestLog& log = m_context.getTestContext().getLog();
1786 bool isOk = true;
1787 glw::GLenum error = GL_NO_ERROR;
1788
1789 log << tcu::TestLog::Message << "Checking call to " << functionName << tcu::TestLog::EndMessage;
1790
1791 error = gl.getError();
1792
1793 if (error != GL_INVALID_ENUM)
1794 {
1795 log << tcu::TestLog::Message << " returned wrong value [" << glu::getErrorStr(error) << ", expected " << glu::getErrorStr(GL_INVALID_ENUM) << "]" << tcu::TestLog::EndMessage;
1796 isOk = false;
1797 }
1798
1799 return isOk;
1800 }
1801
iterate(void)1802 FboSRGBUnsupportedEnumCase::IterateResult FboSRGBUnsupportedEnumCase::iterate (void)
1803 {
1804 // TEST INFO:
1805 // API tests that check calls using enum GL_FRAMEBUFFER_SRGB return GL_INVALID_ENUM when GL_EXT_sRGB_write_control is not supported
1806
1807 const glw::Functions& gl = m_context.getRenderContext().getFunctions();
1808 bool allPass = true;
1809 glw::GLboolean bEnabled = GL_FALSE;
1810 glw::GLfloat fEnabled = 0;
1811 glw::GLint iEnabled = 0;
1812 glw::GLint64 lEnabled = 0;
1813
1814 m_context.getTestContext().getLog() << tcu::TestLog::Message
1815 << "Check calls using enum GL_FRAMEBUFFER_SRGB return GL_INVALID_ENUM when GL_EXT_sRGB_write_control is not supported\n\n"
1816 << tcu::TestLog::EndMessage;
1817
1818 gl.enable(GL_FRAMEBUFFER_SRGB);
1819 allPass &= isInvalidEnum("glEnable()");
1820
1821 gl.disable(GL_FRAMEBUFFER_SRGB);
1822 allPass &= isInvalidEnum("glDisable()");
1823
1824 gl.isEnabled(GL_FRAMEBUFFER_SRGB);
1825 allPass &= isInvalidEnum("glIsEnabled()");
1826
1827 gl.getBooleanv(GL_FRAMEBUFFER_SRGB, &bEnabled);
1828 allPass &= isInvalidEnum("glGetBooleanv()");
1829
1830 gl.getFloatv(GL_FRAMEBUFFER_SRGB, &fEnabled);
1831 allPass &= isInvalidEnum("glGetFloatv()");
1832
1833 gl.getIntegerv(GL_FRAMEBUFFER_SRGB, &iEnabled);
1834 allPass &= isInvalidEnum("glGetIntegerv()");
1835
1836 gl.getInteger64v(GL_FRAMEBUFFER_SRGB, &lEnabled);
1837 allPass &= isInvalidEnum("glGetInteger64v()");
1838
1839 if (allPass)
1840 m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
1841 else
1842 m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Fail");
1843
1844 return STOP;
1845 }
1846
1847 } // anonymous
1848
FboSRGBWriteControlTests(Context & context)1849 FboSRGBWriteControlTests::FboSRGBWriteControlTests (Context& context)
1850 : TestCaseGroup (context, "srgb_write_control", "Colorbuffer tests")
1851 {
1852 }
1853
~FboSRGBWriteControlTests(void)1854 FboSRGBWriteControlTests::~FboSRGBWriteControlTests (void)
1855 {
1856 }
1857
init(void)1858 void FboSRGBWriteControlTests::init (void)
1859 {
1860 this->addChild(new FboSRGBQueryCase (m_context, "framebuffer_srgb_enabled", "srgb enable framebuffer"));
1861 this->addChild(new FboSRGBColAttachCase (m_context, "framebuffer_srgb_enabled_col_attach", "srgb enable color attachment and framebuffer"));
1862 this->addChild(new FboSRGBToggleBlendCase (m_context, "framebuffer_srgb_enabled_blend", "toggle framebuffer srgb settings with blend disabled"));
1863 this->addChild(new FboSRGBRenderTargetIgnoreCase (m_context, "framebuffer_srgb_enabled_render_target_ignore", "enable framebuffer srgb, non-srgb render target should ignore"));
1864 this->addChild(new FboSRGBCopyToLinearCase (m_context, "framebuffer_srgb_enabled_copy_to_linear", "no conversion when blittering between framebuffer srgb and linear"));
1865
1866 // negative
1867 this->addChild(new FboSRGBUnsupportedEnumCase (m_context, "framebuffer_srgb_unsupported_enum", "check error codes for query functions when extension is not supported"));
1868 }
1869
1870 }
1871 } // gles31
1872 } // deqp
1873