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39
40 #include "graphicshelpergl3_2_p.h"
41
42 #ifndef QT_OPENGL_ES_2
43 #include <QOpenGLFunctions_3_2_Core>
44 #include <QOpenGLFunctions_3_3_Core>
45 #include <QtOpenGLExtensions/qopenglextensions.h>
46 #include <private/attachmentpack_p.h>
47 #include <logging_p.h>
48 #include <qgraphicsutils_p.h>
49
50 QT_BEGIN_NAMESPACE
51
52 # ifndef QT_OPENGL_3
53 # define GL_PATCH_VERTICES 36466
54 # define GL_ACTIVE_RESOURCES 0x92F5
55 # define GL_ACTIVE_UNIFORM_BLOCKS 0x8A36
56 # define GL_BUFFER_BINDING 0x9302
57 # define GL_BUFFER_DATA_SIZE 0x9303
58 # define GL_NUM_ACTIVE_VARIABLES 0x9304
59 # define GL_SHADER_STORAGE_BLOCK 0x92E6
60 # define GL_UNIFORM 0x92E1
61 # define GL_UNIFORM_BLOCK 0x92E2
62 # define GL_UNIFORM_BLOCK_INDEX 0x8A3A
63 # define GL_UNIFORM_OFFSET 0x8A3B
64 # define GL_UNIFORM_ARRAY_STRIDE 0x8A3C
65 # define GL_UNIFORM_MATRIX_STRIDE 0x8A3D
66 # define GL_UNIFORM_BLOCK_ACTIVE_UNIFORMS 0x8A42
67 # define GL_UNIFORM_BLOCK_BINDING 0x8A3F
68 # define GL_UNIFORM_BLOCK_DATA_SIZE 0x8A40
69 # endif
70
71 namespace Qt3DRender {
72 namespace Render {
73 namespace OpenGL {
74
GraphicsHelperGL3_2()75 GraphicsHelperGL3_2::GraphicsHelperGL3_2()
76 : m_funcs(nullptr)
77 , m_tessFuncs()
78 {
79 }
80
~GraphicsHelperGL3_2()81 GraphicsHelperGL3_2::~GraphicsHelperGL3_2()
82 {
83 }
84
initializeHelper(QOpenGLContext * context,QAbstractOpenGLFunctions * functions)85 void GraphicsHelperGL3_2::initializeHelper(QOpenGLContext *context,
86 QAbstractOpenGLFunctions *functions)
87 {
88 m_funcs = static_cast<QOpenGLFunctions_3_2_Core*>(functions);
89 const bool ok = m_funcs->initializeOpenGLFunctions();
90 Q_ASSERT(ok);
91 Q_UNUSED(ok);
92
93 if (context->hasExtension(QByteArrayLiteral("GL_ARB_tessellation_shader"))) {
94 m_tessFuncs.reset(new QOpenGLExtension_ARB_tessellation_shader);
95 m_tessFuncs->initializeOpenGLFunctions();
96 }
97 }
98
drawElementsInstancedBaseVertexBaseInstance(GLenum primitiveType,GLsizei primitiveCount,GLint indexType,void * indices,GLsizei instances,GLint baseVertex,GLint baseInstance)99 void GraphicsHelperGL3_2::drawElementsInstancedBaseVertexBaseInstance(GLenum primitiveType,
100 GLsizei primitiveCount,
101 GLint indexType,
102 void *indices,
103 GLsizei instances,
104 GLint baseVertex,
105 GLint baseInstance)
106 {
107 if (baseInstance != 0)
108 qWarning() << "glDrawElementsInstancedBaseVertexBaseInstance is not supported with OpenGL ES 2";
109
110 // glDrawElements OpenGL 3.1 or greater
111 m_funcs->glDrawElementsInstancedBaseVertex(primitiveType,
112 primitiveCount,
113 indexType,
114 indices,
115 instances,
116 baseVertex);
117 }
118
drawArraysInstanced(GLenum primitiveType,GLint first,GLsizei count,GLsizei instances)119 void GraphicsHelperGL3_2::drawArraysInstanced(GLenum primitiveType,
120 GLint first,
121 GLsizei count,
122 GLsizei instances)
123 {
124 // glDrawArraysInstanced OpenGL 3.1 or greater
125 m_funcs->glDrawArraysInstanced(primitiveType,
126 first,
127 count,
128 instances);
129 }
130
drawArraysInstancedBaseInstance(GLenum primitiveType,GLint first,GLsizei count,GLsizei instances,GLsizei baseInstance)131 void GraphicsHelperGL3_2::drawArraysInstancedBaseInstance(GLenum primitiveType, GLint first, GLsizei count, GLsizei instances, GLsizei baseInstance)
132 {
133 if (baseInstance != 0)
134 qWarning() << "glDrawArraysInstancedBaseInstance is not supported with OpenGL 3";
135 m_funcs->glDrawArraysInstanced(primitiveType,
136 first,
137 count,
138 instances);
139 }
140
drawElements(GLenum primitiveType,GLsizei primitiveCount,GLint indexType,void * indices,GLint baseVertex)141 void GraphicsHelperGL3_2::drawElements(GLenum primitiveType,
142 GLsizei primitiveCount,
143 GLint indexType,
144 void *indices,
145 GLint baseVertex)
146 {
147 m_funcs->glDrawElementsBaseVertex(primitiveType,
148 primitiveCount,
149 indexType,
150 indices,
151 baseVertex);
152 }
153
drawArrays(GLenum primitiveType,GLint first,GLsizei count)154 void GraphicsHelperGL3_2::drawArrays(GLenum primitiveType,
155 GLint first,
156 GLsizei count)
157 {
158 m_funcs->glDrawArrays(primitiveType,
159 first,
160 count);
161 }
162
drawElementsIndirect(GLenum,GLenum,void *)163 void GraphicsHelperGL3_2::drawElementsIndirect(GLenum, GLenum, void *)
164 {
165 qWarning() << "Indirect Drawing is not supported with OpenGL 3.2";
166 }
167
drawArraysIndirect(GLenum,void *)168 void GraphicsHelperGL3_2::drawArraysIndirect(GLenum , void *)
169 {
170 qWarning() << "Indirect Drawing is not supported with OpenGL 3.2";
171 }
172
setVerticesPerPatch(GLint verticesPerPatch)173 void GraphicsHelperGL3_2::setVerticesPerPatch(GLint verticesPerPatch)
174 {
175 #if defined(QT_OPENGL_4)
176 if (!m_tessFuncs) {
177 qWarning() << "Tessellation not supported with OpenGL 3 without GL_ARB_tessellation_shader";
178 return;
179 }
180
181 m_tessFuncs->glPatchParameteri(GL_PATCH_VERTICES, verticesPerPatch);
182 #else
183 Q_UNUSED(verticesPerPatch);
184 qWarning() << "Tessellation not supported";
185 #endif
186 }
187
useProgram(GLuint programId)188 void GraphicsHelperGL3_2::useProgram(GLuint programId)
189 {
190 m_funcs->glUseProgram(programId);
191 }
192
programUniformsAndLocations(GLuint programId)193 QVector<ShaderUniform> GraphicsHelperGL3_2::programUniformsAndLocations(GLuint programId)
194 {
195 QVector<ShaderUniform> uniforms;
196
197 GLint nbrActiveUniforms = 0;
198 m_funcs->glGetProgramiv(programId, GL_ACTIVE_UNIFORMS, &nbrActiveUniforms);
199 uniforms.reserve(nbrActiveUniforms);
200 char uniformName[256];
201 for (GLint i = 0; i < nbrActiveUniforms; i++) {
202 ShaderUniform uniform;
203 GLsizei uniformNameLength = 0;
204 // Size is 1 for scalar and more for struct or arrays
205 // Type is the GL Type
206 m_funcs->glGetActiveUniform(programId, i, sizeof(uniformName) - 1, &uniformNameLength,
207 &uniform.m_size, &uniform.m_type, uniformName);
208 uniformName[sizeof(uniformName) - 1] = '\0';
209 uniform.m_location = m_funcs->glGetUniformLocation(programId, uniformName);
210 uniform.m_name = QString::fromUtf8(uniformName, uniformNameLength);
211 // Work around for uniform array names that aren't returned with [0] by some drivers
212 if (uniform.m_size > 1 && !uniform.m_name.endsWith(QLatin1String("[0]")))
213 uniform.m_name.append(QLatin1String("[0]"));
214 m_funcs->glGetActiveUniformsiv(programId, 1, (GLuint*)&i, GL_UNIFORM_BLOCK_INDEX, &uniform.m_blockIndex);
215 m_funcs->glGetActiveUniformsiv(programId, 1, (GLuint*)&i, GL_UNIFORM_OFFSET, &uniform.m_offset);
216 m_funcs->glGetActiveUniformsiv(programId, 1, (GLuint*)&i, GL_UNIFORM_ARRAY_STRIDE, &uniform.m_arrayStride);
217 m_funcs->glGetActiveUniformsiv(programId, 1, (GLuint*)&i, GL_UNIFORM_MATRIX_STRIDE, &uniform.m_matrixStride);
218 uniform.m_rawByteSize = uniformByteSize(uniform);
219 uniforms.append(uniform);
220 qCDebug(Rendering) << uniform.m_name << "size" << uniform.m_size
221 << " offset" << uniform.m_offset
222 << " rawSize" << uniform.m_rawByteSize;
223 }
224
225 return uniforms;
226 }
227
programAttributesAndLocations(GLuint programId)228 QVector<ShaderAttribute> GraphicsHelperGL3_2::programAttributesAndLocations(GLuint programId)
229 {
230 QVector<ShaderAttribute> attributes;
231 GLint nbrActiveAttributes = 0;
232 m_funcs->glGetProgramiv(programId, GL_ACTIVE_ATTRIBUTES, &nbrActiveAttributes);
233 attributes.reserve(nbrActiveAttributes);
234 char attributeName[256];
235 for (GLint i = 0; i < nbrActiveAttributes; i++) {
236 ShaderAttribute attribute;
237 GLsizei attributeNameLength = 0;
238 // Size is 1 for scalar and more for struct or arrays
239 // Type is the GL Type
240 m_funcs->glGetActiveAttrib(programId, i, sizeof(attributeName) - 1, &attributeNameLength,
241 &attribute.m_size, &attribute.m_type, attributeName);
242 attributeName[sizeof(attributeName) - 1] = '\0';
243 attribute.m_location = m_funcs->glGetAttribLocation(programId, attributeName);
244 attribute.m_name = QString::fromUtf8(attributeName, attributeNameLength);
245 attributes.append(attribute);
246 }
247 return attributes;
248 }
249
programUniformBlocks(GLuint programId)250 QVector<ShaderUniformBlock> GraphicsHelperGL3_2::programUniformBlocks(GLuint programId)
251 {
252 QVector<ShaderUniformBlock> blocks;
253 GLint nbrActiveUniformsBlocks = 0;
254 m_funcs->glGetProgramiv(programId, GL_ACTIVE_UNIFORM_BLOCKS, &nbrActiveUniformsBlocks);
255 blocks.reserve(nbrActiveUniformsBlocks);
256 for (GLint i = 0; i < nbrActiveUniformsBlocks; i++) {
257 QByteArray uniformBlockName(256, '\0');
258 GLsizei length = 0;
259 ShaderUniformBlock uniformBlock;
260 m_funcs->glGetActiveUniformBlockName(programId, i, 256, &length, uniformBlockName.data());
261 uniformBlock.m_name = QString::fromUtf8(uniformBlockName.left(length));
262 uniformBlock.m_index = i;
263 m_funcs->glGetActiveUniformBlockiv(programId, i, GL_UNIFORM_BLOCK_ACTIVE_UNIFORMS, &uniformBlock.m_activeUniformsCount);
264 m_funcs->glGetActiveUniformBlockiv(programId, i, GL_UNIFORM_BLOCK_BINDING, &uniformBlock.m_binding);
265 m_funcs->glGetActiveUniformBlockiv(programId, i, GL_UNIFORM_BLOCK_DATA_SIZE, &uniformBlock.m_size);
266 blocks.append(uniformBlock);
267 }
268 return blocks;
269 }
270
programShaderStorageBlocks(GLuint programId)271 QVector<ShaderStorageBlock> GraphicsHelperGL3_2::programShaderStorageBlocks(GLuint programId)
272 {
273 Q_UNUSED(programId);
274 QVector<ShaderStorageBlock> blocks;
275 qWarning() << "SSBO are not supported by OpenGL 3.2 (since OpenGL 4.3)";
276 return blocks;
277 }
278
vertexAttribDivisor(GLuint index,GLuint divisor)279 void GraphicsHelperGL3_2::vertexAttribDivisor(GLuint index, GLuint divisor)
280 {
281 Q_UNUSED(index);
282 Q_UNUSED(divisor);
283 qCWarning(Rendering) << "Vertex attribute divisor not available with OpenGL 3.2 core";
284 }
285
vertexAttributePointer(GLenum shaderDataType,GLuint index,GLint size,GLenum type,GLboolean normalized,GLsizei stride,const GLvoid * pointer)286 void GraphicsHelperGL3_2::vertexAttributePointer(GLenum shaderDataType,
287 GLuint index,
288 GLint size,
289 GLenum type,
290 GLboolean normalized,
291 GLsizei stride,
292 const GLvoid *pointer)
293 {
294 switch (shaderDataType) {
295 case GL_FLOAT:
296 case GL_FLOAT_VEC2:
297 case GL_FLOAT_VEC3:
298 case GL_FLOAT_VEC4:
299 case GL_FLOAT_MAT2:
300 case GL_FLOAT_MAT2x3:
301 case GL_FLOAT_MAT2x4:
302 case GL_FLOAT_MAT3:
303 case GL_FLOAT_MAT3x2:
304 case GL_FLOAT_MAT3x4:
305 case GL_FLOAT_MAT4x2:
306 case GL_FLOAT_MAT4x3:
307 case GL_FLOAT_MAT4:
308 m_funcs->glVertexAttribPointer(index, size, type, normalized, stride, pointer);
309 break;
310
311 case GL_INT:
312 case GL_INT_VEC2:
313 case GL_INT_VEC3:
314 case GL_INT_VEC4:
315 case GL_UNSIGNED_INT:
316 case GL_UNSIGNED_INT_VEC2:
317 case GL_UNSIGNED_INT_VEC3:
318 case GL_UNSIGNED_INT_VEC4:
319 m_funcs->glVertexAttribIPointer(index, size, type, stride, pointer);
320 break;
321
322 default:
323 qCWarning(Rendering) << "vertexAttribPointer: Unhandled type";
324 Q_UNREACHABLE();
325 }
326 }
327
readBuffer(GLenum mode)328 void GraphicsHelperGL3_2::readBuffer(GLenum mode)
329 {
330 m_funcs->glReadBuffer(mode);
331 }
332
drawBuffer(GLenum mode)333 void GraphicsHelperGL3_2::drawBuffer(GLenum mode)
334 {
335 m_funcs->glDrawBuffer(mode);
336 }
337
fenceSync()338 void *GraphicsHelperGL3_2::fenceSync()
339 {
340 return m_funcs->glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
341 }
342
clientWaitSync(void * sync,GLuint64 nanoSecTimeout)343 void GraphicsHelperGL3_2::clientWaitSync(void *sync, GLuint64 nanoSecTimeout)
344 {
345 m_funcs->glClientWaitSync(static_cast<GLsync>(sync), GL_SYNC_FLUSH_COMMANDS_BIT, nanoSecTimeout);
346 }
347
waitSync(void * sync)348 void GraphicsHelperGL3_2::waitSync(void *sync)
349 {
350 m_funcs->glWaitSync(static_cast<GLsync>(sync), 0, GL_TIMEOUT_IGNORED);
351 }
352
wasSyncSignaled(void * sync)353 bool GraphicsHelperGL3_2::wasSyncSignaled(void *sync)
354 {
355 GLint v;
356 m_funcs->glGetSynciv(static_cast<GLsync>(sync),
357 GL_SYNC_STATUS,
358 sizeof(v),
359 nullptr,
360 &v);
361 return v == GL_SIGNALED;
362 }
363
deleteSync(void * sync)364 void GraphicsHelperGL3_2::deleteSync(void *sync)
365 {
366 m_funcs->glDeleteSync(static_cast<GLsync>(sync));
367 }
368
rasterMode(GLenum faceMode,GLenum rasterMode)369 void GraphicsHelperGL3_2::rasterMode(GLenum faceMode, GLenum rasterMode)
370 {
371 m_funcs->glPolygonMode(faceMode, rasterMode);
372 }
373
blendEquation(GLenum mode)374 void GraphicsHelperGL3_2::blendEquation(GLenum mode)
375 {
376 m_funcs->glBlendEquation(mode);
377 }
378
blendFunci(GLuint buf,GLenum sfactor,GLenum dfactor)379 void GraphicsHelperGL3_2::blendFunci(GLuint buf, GLenum sfactor, GLenum dfactor)
380 {
381 Q_UNUSED(buf);
382 Q_UNUSED(sfactor);
383 Q_UNUSED(dfactor);
384
385 qWarning() << "glBlendFunci() not supported by OpenGL 3.0 (since OpenGL 4.0)";
386 }
387
blendFuncSeparatei(GLuint buf,GLenum sRGB,GLenum dRGB,GLenum sAlpha,GLenum dAlpha)388 void GraphicsHelperGL3_2::blendFuncSeparatei(GLuint buf, GLenum sRGB, GLenum dRGB, GLenum sAlpha, GLenum dAlpha)
389 {
390 Q_UNUSED(buf);
391 Q_UNUSED(sRGB);
392 Q_UNUSED(dRGB);
393 Q_UNUSED(sAlpha);
394 Q_UNUSED(dAlpha);
395
396 qWarning() << "glBlendFuncSeparatei() not supported by OpenGL 3.0 (since OpenGL 4.0)";
397 }
398
alphaTest(GLenum,GLenum)399 void GraphicsHelperGL3_2::alphaTest(GLenum, GLenum)
400 {
401 qCWarning(Rendering) << "AlphaTest not available with OpenGL 3.2 core";
402 }
403
depthTest(GLenum mode)404 void GraphicsHelperGL3_2::depthTest(GLenum mode)
405 {
406 m_funcs->glEnable(GL_DEPTH_TEST);
407 m_funcs->glDepthFunc(mode);
408 }
409
depthMask(GLenum mode)410 void GraphicsHelperGL3_2::depthMask(GLenum mode)
411 {
412 m_funcs->glDepthMask(mode);
413 }
414
depthRange(GLdouble nearValue,GLdouble farValue)415 void GraphicsHelperGL3_2::depthRange(GLdouble nearValue, GLdouble farValue)
416 {
417 m_funcs->glDepthRange(nearValue, farValue);
418 }
419
frontFace(GLenum mode)420 void GraphicsHelperGL3_2::frontFace(GLenum mode)
421 {
422 m_funcs->glFrontFace(mode);
423
424 }
425
setMSAAEnabled(bool enabled)426 void GraphicsHelperGL3_2::setMSAAEnabled(bool enabled)
427 {
428 enabled ? m_funcs->glEnable(GL_MULTISAMPLE)
429 : m_funcs->glDisable(GL_MULTISAMPLE);
430 }
431
setAlphaCoverageEnabled(bool enabled)432 void GraphicsHelperGL3_2::setAlphaCoverageEnabled(bool enabled)
433 {
434 enabled ? m_funcs->glEnable(GL_SAMPLE_ALPHA_TO_COVERAGE)
435 : m_funcs->glDisable(GL_SAMPLE_ALPHA_TO_COVERAGE);
436 }
437
createFrameBufferObject()438 GLuint GraphicsHelperGL3_2::createFrameBufferObject()
439 {
440 GLuint id;
441 m_funcs->glGenFramebuffers(1, &id);
442 return id;
443 }
444
releaseFrameBufferObject(GLuint frameBufferId)445 void GraphicsHelperGL3_2::releaseFrameBufferObject(GLuint frameBufferId)
446 {
447 m_funcs->glDeleteFramebuffers(1, &frameBufferId);
448 }
449
bindFrameBufferObject(GLuint frameBufferId,FBOBindMode mode)450 void GraphicsHelperGL3_2::bindFrameBufferObject(GLuint frameBufferId, FBOBindMode mode)
451 {
452 switch (mode) {
453 case FBODraw:
454 m_funcs->glBindFramebuffer(GL_DRAW_FRAMEBUFFER, frameBufferId);
455 return;
456 case FBORead:
457 m_funcs->glBindFramebuffer(GL_READ_FRAMEBUFFER, frameBufferId);
458 return;
459 case FBOReadAndDraw:
460 default:
461 m_funcs->glBindFramebuffer(GL_FRAMEBUFFER, frameBufferId);
462 return;
463 }
464 }
465
bindImageTexture(GLuint imageUnit,GLuint texture,GLint mipLevel,GLboolean layered,GLint layer,GLenum access,GLenum format)466 void GraphicsHelperGL3_2::bindImageTexture(GLuint imageUnit, GLuint texture,
467 GLint mipLevel, GLboolean layered,
468 GLint layer, GLenum access, GLenum format)
469 {
470 Q_UNUSED(imageUnit)
471 Q_UNUSED(texture)
472 Q_UNUSED(mipLevel)
473 Q_UNUSED(layered)
474 Q_UNUSED(layer)
475 Q_UNUSED(access)
476 Q_UNUSED(format)
477 qWarning() << "Shader Images are not supported by OpenGL 3.2 (since OpenGL 4.2)";
478
479 }
480
boundFrameBufferObject()481 GLuint GraphicsHelperGL3_2::boundFrameBufferObject()
482 {
483 GLint id = 0;
484 m_funcs->glGetIntegerv(GL_DRAW_FRAMEBUFFER_BINDING, &id);
485 return id;
486 }
487
checkFrameBufferComplete()488 bool GraphicsHelperGL3_2::checkFrameBufferComplete()
489 {
490 return (m_funcs->glCheckFramebufferStatus(GL_FRAMEBUFFER) == GL_FRAMEBUFFER_COMPLETE);
491 }
492
frameBufferNeedsRenderBuffer(const Attachment & attachment)493 bool GraphicsHelperGL3_2::frameBufferNeedsRenderBuffer(const Attachment &attachment)
494 {
495 Q_UNUSED(attachment);
496 return false;
497 }
498
bindFrameBufferAttachment(QOpenGLTexture * texture,const Attachment & attachment)499 void GraphicsHelperGL3_2::bindFrameBufferAttachment(QOpenGLTexture *texture, const Attachment &attachment)
500 {
501 GLenum attr = GL_DEPTH_STENCIL_ATTACHMENT;
502
503 if (attachment.m_point <= QRenderTargetOutput::Color15)
504 attr = GL_COLOR_ATTACHMENT0 + attachment.m_point;
505 else if (attachment.m_point == QRenderTargetOutput::Depth)
506 attr = GL_DEPTH_ATTACHMENT;
507 else if (attachment.m_point == QRenderTargetOutput::Stencil)
508 attr = GL_STENCIL_ATTACHMENT;
509
510 texture->bind();
511 QOpenGLTexture::Target target = texture->target();
512 if (target == QOpenGLTexture::Target1DArray || target == QOpenGLTexture::Target2DArray ||
513 target == QOpenGLTexture::Target2DMultisampleArray || target == QOpenGLTexture::Target3D)
514 m_funcs->glFramebufferTextureLayer(GL_DRAW_FRAMEBUFFER, attr, texture->textureId(), attachment.m_mipLevel, attachment.m_layer);
515 else if (target == QOpenGLTexture::TargetCubeMapArray && attachment.m_face != QAbstractTexture::AllFaces)
516 m_funcs->glFramebufferTextureLayer( GL_DRAW_FRAMEBUFFER, attr, texture->textureId(), attachment.m_mipLevel, attachment.m_layer * 6 + (attachment.m_face - QAbstractTexture::CubeMapPositiveX));
517 else if (target == QOpenGLTexture::TargetCubeMap)
518 m_funcs->glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, attr, attachment.m_face, texture->textureId(), attachment.m_mipLevel);
519 else
520 m_funcs->glFramebufferTexture(GL_DRAW_FRAMEBUFFER, attr, texture->textureId(), attachment.m_mipLevel);
521 texture->release();
522 }
523
bindFrameBufferAttachment(RenderBuffer * renderBuffer,const Attachment & attachment)524 void GraphicsHelperGL3_2::bindFrameBufferAttachment(RenderBuffer *renderBuffer, const Attachment &attachment)
525 {
526 Q_UNUSED(renderBuffer);
527 Q_UNUSED(attachment);
528 Q_UNREACHABLE();
529 }
530
supportsFeature(GraphicsHelperInterface::Feature feature) const531 bool GraphicsHelperGL3_2::supportsFeature(GraphicsHelperInterface::Feature feature) const
532 {
533 switch (feature) {
534 case MRT:
535 case UniformBufferObject:
536 case PrimitiveRestart:
537 case RenderBufferDimensionRetrieval:
538 case TextureDimensionRetrieval:
539 case BindableFragmentOutputs:
540 case BlitFramebuffer:
541 case Fences:
542 return true;
543 case Tessellation:
544 return !m_tessFuncs.isNull();
545 default:
546 return false;
547 }
548 }
549
drawBuffers(GLsizei n,const int * bufs)550 void GraphicsHelperGL3_2::drawBuffers(GLsizei n, const int *bufs)
551 {
552 // Use QVarLengthArray here
553 QVarLengthArray<GLenum, 16> drawBufs(n);
554
555 for (int i = 0; i < n; i++)
556 drawBufs[i] = GL_COLOR_ATTACHMENT0 + bufs[i];
557 m_funcs->glDrawBuffers(n, drawBufs.constData());
558 }
559
bindFragDataLocation(GLuint shader,const QHash<QString,int> & outputs)560 void GraphicsHelperGL3_2::bindFragDataLocation(GLuint shader, const QHash<QString, int> &outputs)
561 {
562 for (auto it = outputs.begin(), end = outputs.end(); it != end; ++it)
563 m_funcs->glBindFragDataLocation(shader, it.value(), it.key().toStdString().c_str());
564 }
565
bindUniformBlock(GLuint programId,GLuint uniformBlockIndex,GLuint uniformBlockBinding)566 void GraphicsHelperGL3_2::bindUniformBlock(GLuint programId, GLuint uniformBlockIndex, GLuint uniformBlockBinding)
567 {
568 m_funcs->glUniformBlockBinding(programId, uniformBlockIndex, uniformBlockBinding);
569 }
570
bindShaderStorageBlock(GLuint programId,GLuint shaderStorageBlockIndex,GLuint shaderStorageBlockBinding)571 void GraphicsHelperGL3_2::bindShaderStorageBlock(GLuint programId, GLuint shaderStorageBlockIndex, GLuint shaderStorageBlockBinding)
572 {
573 Q_UNUSED(programId);
574 Q_UNUSED(shaderStorageBlockIndex);
575 Q_UNUSED(shaderStorageBlockBinding);
576 qWarning() << "SSBO are not supported by OpenGL 3.0 (since OpenGL 4.3)";
577 }
578
bindBufferBase(GLenum target,GLuint index,GLuint buffer)579 void GraphicsHelperGL3_2::bindBufferBase(GLenum target, GLuint index, GLuint buffer)
580 {
581 m_funcs->glBindBufferBase(target, index, buffer);
582 }
583
buildUniformBuffer(const QVariant & v,const ShaderUniform & description,QByteArray & buffer)584 void GraphicsHelperGL3_2::buildUniformBuffer(const QVariant &v, const ShaderUniform &description, QByteArray &buffer)
585 {
586 char *bufferData = buffer.data();
587
588 switch (description.m_type) {
589
590 case GL_FLOAT: {
591 const GLfloat *data = QGraphicsUtils::valueArrayFromVariant<GLfloat>(v, description.m_size, 1);
592 QGraphicsUtils::fillDataArray(bufferData, data, description, 1);
593 break;
594 }
595
596 case GL_FLOAT_VEC2: {
597 const GLfloat *data = QGraphicsUtils::valueArrayFromVariant<GLfloat>(v, description.m_size, 2);
598 QGraphicsUtils::fillDataArray(bufferData, data, description, 2);
599 break;
600 }
601
602 case GL_FLOAT_VEC3: {
603 const GLfloat *data = QGraphicsUtils::valueArrayFromVariant<GLfloat>(v, description.m_size, 3);
604 QGraphicsUtils::fillDataArray(bufferData, data, description, 3);
605 break;
606 }
607
608 case GL_FLOAT_VEC4: {
609 const GLfloat *data = QGraphicsUtils::valueArrayFromVariant<GLfloat>(v, description.m_size, 4);
610 QGraphicsUtils::fillDataArray(bufferData, data, description, 4);
611 break;
612 }
613
614 case GL_FLOAT_MAT2: {
615 const GLfloat *data = QGraphicsUtils::valueArrayFromVariant<GLfloat>(v, description.m_size, 4);
616 QGraphicsUtils::fillDataMatrixArray(bufferData, data, description, 2, 2);
617 break;
618 }
619
620 case GL_FLOAT_MAT2x3: {
621 const GLfloat *data = QGraphicsUtils::valueArrayFromVariant<GLfloat>(v, description.m_size, 6);
622 QGraphicsUtils::fillDataMatrixArray(bufferData, data, description, 2, 3);
623 break;
624 }
625
626 case GL_FLOAT_MAT2x4: {
627 const GLfloat *data = QGraphicsUtils::valueArrayFromVariant<GLfloat>(v, description.m_size, 8);
628 QGraphicsUtils::fillDataMatrixArray(bufferData, data, description, 2, 4);
629 break;
630 }
631
632 case GL_FLOAT_MAT3: {
633 const GLfloat *data = QGraphicsUtils::valueArrayFromVariant<GLfloat>(v, description.m_size, 9);
634 QGraphicsUtils::fillDataMatrixArray(bufferData, data, description, 3, 3);
635 break;
636 }
637
638 case GL_FLOAT_MAT3x2: {
639 const GLfloat *data = QGraphicsUtils::valueArrayFromVariant<GLfloat>(v, description.m_size, 6);
640 QGraphicsUtils::fillDataMatrixArray(bufferData, data, description, 3, 2);
641 break;
642 }
643
644 case GL_FLOAT_MAT3x4: {
645 const GLfloat *data = QGraphicsUtils::valueArrayFromVariant<GLfloat>(v, description.m_size, 12);
646 QGraphicsUtils::fillDataMatrixArray(bufferData, data, description, 3, 4);
647 break;
648 }
649
650 case GL_FLOAT_MAT4: {
651 const GLfloat *data = QGraphicsUtils::valueArrayFromVariant<GLfloat>(v, description.m_size, 16);
652 QGraphicsUtils::fillDataMatrixArray(bufferData, data, description, 4, 4);
653 break;
654 }
655
656 case GL_FLOAT_MAT4x2: {
657 const GLfloat *data = QGraphicsUtils::valueArrayFromVariant<GLfloat>(v, description.m_size, 8);
658 QGraphicsUtils::fillDataMatrixArray(bufferData, data, description, 4, 2);
659 break;
660 }
661
662 case GL_FLOAT_MAT4x3: {
663 const GLfloat *data = QGraphicsUtils::valueArrayFromVariant<GLfloat>(v, description.m_size, 12);
664 QGraphicsUtils::fillDataMatrixArray(bufferData, data, description, 4, 3);
665 break;
666 }
667
668 case GL_INT: {
669 const GLint *data = QGraphicsUtils::valueArrayFromVariant<GLint>(v, description.m_size, 1);
670 QGraphicsUtils::fillDataArray(bufferData, data, description, 1);
671 break;
672 }
673
674 case GL_INT_VEC2: {
675 const GLint *data = QGraphicsUtils::valueArrayFromVariant<GLint>(v, description.m_size, 2);
676 QGraphicsUtils::fillDataArray(bufferData, data, description, 2);
677 break;
678 }
679
680 case GL_INT_VEC3: {
681 const GLint *data = QGraphicsUtils::valueArrayFromVariant<GLint>(v, description.m_size, 3);
682 QGraphicsUtils::fillDataArray(bufferData, data, description, 3);
683 break;
684 }
685
686 case GL_INT_VEC4: {
687 const GLint *data = QGraphicsUtils::valueArrayFromVariant<GLint>(v, description.m_size, 4);
688 QGraphicsUtils::fillDataArray(bufferData, data, description, 4);
689 break;
690 }
691
692 case GL_UNSIGNED_INT: {
693 const GLuint *data = QGraphicsUtils::valueArrayFromVariant<GLuint>(v, description.m_size, 1);
694 QGraphicsUtils::fillDataArray(bufferData, data, description, 1);
695 break;
696 }
697
698 case GL_UNSIGNED_INT_VEC2: {
699 const GLuint *data = QGraphicsUtils::valueArrayFromVariant<GLuint>(v, description.m_size, 2);
700 QGraphicsUtils::fillDataArray(bufferData, data, description, 2);
701 break;
702 }
703
704 case GL_UNSIGNED_INT_VEC3: {
705 const GLuint *data = QGraphicsUtils::valueArrayFromVariant<GLuint>(v, description.m_size, 3);
706 QGraphicsUtils::fillDataArray(bufferData, data, description, 3);
707 break;
708 }
709
710 case GL_UNSIGNED_INT_VEC4: {
711 const GLuint *data = QGraphicsUtils::valueArrayFromVariant<GLuint>(v, description.m_size, 4);
712 QGraphicsUtils::fillDataArray(bufferData, data, description, 4);
713 break;
714 }
715
716 case GL_BOOL: {
717 const GLboolean *data = QGraphicsUtils::valueArrayFromVariant<GLboolean>(v, description.m_size, 1);
718 QGraphicsUtils::fillDataArray(bufferData, data, description, 1);
719 break;
720 }
721
722 case GL_BOOL_VEC2: {
723 const GLboolean *data = QGraphicsUtils::valueArrayFromVariant<GLboolean>(v, description.m_size, 2);
724 QGraphicsUtils::fillDataArray(bufferData, data, description, 2);
725 break;
726 }
727
728 case GL_BOOL_VEC3: {
729 const GLboolean *data = QGraphicsUtils::valueArrayFromVariant<GLboolean>(v, description.m_size, 3);
730 QGraphicsUtils::fillDataArray(bufferData, data, description, 3);
731 break;
732 }
733
734 case GL_BOOL_VEC4: {
735 const GLboolean *data = QGraphicsUtils::valueArrayFromVariant<GLboolean>(v, description.m_size, 4);
736 QGraphicsUtils::fillDataArray(bufferData, data, description, 4);
737 break;
738 }
739
740 case GL_SAMPLER_1D:
741 case GL_SAMPLER_2D:
742 case GL_SAMPLER_3D:
743 case GL_SAMPLER_CUBE:
744 case GL_SAMPLER_BUFFER:
745 case GL_SAMPLER_2D_RECT:
746 case GL_INT_SAMPLER_1D:
747 case GL_INT_SAMPLER_2D:
748 case GL_INT_SAMPLER_3D:
749 case GL_INT_SAMPLER_CUBE:
750 case GL_INT_SAMPLER_BUFFER:
751 case GL_INT_SAMPLER_2D_RECT:
752 case GL_UNSIGNED_INT_SAMPLER_1D:
753 case GL_UNSIGNED_INT_SAMPLER_2D:
754 case GL_UNSIGNED_INT_SAMPLER_3D:
755 case GL_UNSIGNED_INT_SAMPLER_CUBE:
756 case GL_UNSIGNED_INT_SAMPLER_BUFFER:
757 case GL_UNSIGNED_INT_SAMPLER_2D_RECT:
758 case GL_SAMPLER_1D_SHADOW:
759 case GL_SAMPLER_2D_SHADOW:
760 case GL_SAMPLER_CUBE_SHADOW:
761 case GL_SAMPLER_1D_ARRAY:
762 case GL_SAMPLER_2D_ARRAY:
763 case GL_INT_SAMPLER_1D_ARRAY:
764 case GL_INT_SAMPLER_2D_ARRAY:
765 case GL_UNSIGNED_INT_SAMPLER_1D_ARRAY:
766 case GL_UNSIGNED_INT_SAMPLER_2D_ARRAY:
767 case GL_SAMPLER_1D_ARRAY_SHADOW:
768 case GL_SAMPLER_2D_ARRAY_SHADOW:
769 case GL_SAMPLER_2D_RECT_SHADOW:
770 case GL_SAMPLER_2D_MULTISAMPLE:
771 case GL_INT_SAMPLER_2D_MULTISAMPLE:
772 case GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE:
773 case GL_SAMPLER_2D_MULTISAMPLE_ARRAY:
774 case GL_INT_SAMPLER_2D_MULTISAMPLE_ARRAY:
775 case GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE_ARRAY: {
776 Q_ASSERT(description.m_size == 1);
777 int value = v.toInt();
778 QGraphicsUtils::fillDataArray<GLint>(bufferData, &value, description, 1);
779 break;
780 }
781
782 default:
783 qWarning() << Q_FUNC_INFO << "unsupported uniform type:" << description.m_type << "for " << description.m_name;
784 break;
785 }
786 }
787
uniformByteSize(const ShaderUniform & description)788 uint GraphicsHelperGL3_2::uniformByteSize(const ShaderUniform &description)
789 {
790 uint rawByteSize = 0;
791 int arrayStride = qMax(description.m_arrayStride, 0);
792 int matrixStride = qMax(description.m_matrixStride, 0);
793
794 switch (description.m_type) {
795
796 case GL_FLOAT_VEC2:
797 case GL_INT_VEC2:
798 case GL_UNSIGNED_INT_VEC2:
799 rawByteSize = 8;
800 break;
801
802 case GL_FLOAT_VEC3:
803 case GL_INT_VEC3:
804 case GL_UNSIGNED_INT_VEC3:
805 rawByteSize = 12;
806 break;
807
808 case GL_FLOAT_VEC4:
809 case GL_INT_VEC4:
810 case GL_UNSIGNED_INT_VEC4:
811 rawByteSize = 16;
812 break;
813
814 case GL_FLOAT_MAT2:
815 rawByteSize = matrixStride ? 2 * matrixStride : 16;
816 break;
817
818 case GL_FLOAT_MAT2x4:
819 rawByteSize = matrixStride ? 2 * matrixStride : 32;
820 break;
821
822 case GL_FLOAT_MAT4x2:
823 rawByteSize = matrixStride ? 4 * matrixStride : 32;
824 break;
825
826 case GL_FLOAT_MAT3:
827 rawByteSize = matrixStride ? 3 * matrixStride : 36;
828 break;
829
830 case GL_FLOAT_MAT2x3:
831 rawByteSize = matrixStride ? 2 * matrixStride : 24;
832 break;
833
834 case GL_FLOAT_MAT3x2:
835 rawByteSize = matrixStride ? 3 * matrixStride : 24;
836 break;
837
838 case GL_FLOAT_MAT4:
839 rawByteSize = matrixStride ? 4 * matrixStride : 64;
840 break;
841
842 case GL_FLOAT_MAT4x3:
843 rawByteSize = matrixStride ? 4 * matrixStride : 48;
844 break;
845
846 case GL_FLOAT_MAT3x4:
847 rawByteSize = matrixStride ? 3 * matrixStride : 48;
848 break;
849
850 case GL_BOOL:
851 rawByteSize = 1;
852 break;
853
854 case GL_BOOL_VEC2:
855 rawByteSize = 2;
856 break;
857
858 case GL_BOOL_VEC3:
859 rawByteSize = 3;
860 break;
861
862 case GL_BOOL_VEC4:
863 rawByteSize = 4;
864 break;
865
866 case GL_INT:
867 case GL_FLOAT:
868 case GL_UNSIGNED_INT:
869 case GL_SAMPLER_1D:
870 case GL_SAMPLER_2D:
871 case GL_SAMPLER_3D:
872 case GL_SAMPLER_CUBE:
873 case GL_SAMPLER_BUFFER:
874 case GL_SAMPLER_2D_RECT:
875 case GL_INT_SAMPLER_1D:
876 case GL_INT_SAMPLER_2D:
877 case GL_INT_SAMPLER_3D:
878 case GL_INT_SAMPLER_CUBE:
879 case GL_INT_SAMPLER_BUFFER:
880 case GL_INT_SAMPLER_2D_RECT:
881 case GL_UNSIGNED_INT_SAMPLER_1D:
882 case GL_UNSIGNED_INT_SAMPLER_2D:
883 case GL_UNSIGNED_INT_SAMPLER_3D:
884 case GL_UNSIGNED_INT_SAMPLER_CUBE:
885 case GL_UNSIGNED_INT_SAMPLER_BUFFER:
886 case GL_UNSIGNED_INT_SAMPLER_2D_RECT:
887 case GL_SAMPLER_1D_SHADOW:
888 case GL_SAMPLER_2D_SHADOW:
889 case GL_SAMPLER_CUBE_SHADOW:
890 case GL_SAMPLER_1D_ARRAY:
891 case GL_SAMPLER_2D_ARRAY:
892 case GL_INT_SAMPLER_1D_ARRAY:
893 case GL_INT_SAMPLER_2D_ARRAY:
894 case GL_UNSIGNED_INT_SAMPLER_1D_ARRAY:
895 case GL_UNSIGNED_INT_SAMPLER_2D_ARRAY:
896 case GL_SAMPLER_1D_ARRAY_SHADOW:
897 case GL_SAMPLER_2D_ARRAY_SHADOW:
898 case GL_SAMPLER_2D_RECT_SHADOW:
899 case GL_SAMPLER_2D_MULTISAMPLE:
900 case GL_INT_SAMPLER_2D_MULTISAMPLE:
901 case GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE:
902 case GL_SAMPLER_2D_MULTISAMPLE_ARRAY:
903 case GL_INT_SAMPLER_2D_MULTISAMPLE_ARRAY:
904 case GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE_ARRAY:
905 rawByteSize = 4;
906 break;
907 }
908
909 return arrayStride ? rawByteSize * arrayStride : rawByteSize;
910 }
911
enableClipPlane(int clipPlane)912 void GraphicsHelperGL3_2::enableClipPlane(int clipPlane)
913 {
914 m_funcs->glEnable(GL_CLIP_DISTANCE0 + clipPlane);
915 }
916
disableClipPlane(int clipPlane)917 void GraphicsHelperGL3_2::disableClipPlane(int clipPlane)
918 {
919 m_funcs->glDisable(GL_CLIP_DISTANCE0 + clipPlane);
920 }
921
setClipPlane(int clipPlane,const QVector3D & normal,float distance)922 void GraphicsHelperGL3_2::setClipPlane(int clipPlane, const QVector3D &normal, float distance)
923 {
924 // deprecated
925 Q_UNUSED(clipPlane);
926 Q_UNUSED(normal);
927 Q_UNUSED(distance);
928 }
929
maxClipPlaneCount()930 GLint GraphicsHelperGL3_2::maxClipPlaneCount()
931 {
932 GLint max = 0;
933 m_funcs->glGetIntegerv(GL_MAX_CLIP_DISTANCES, &max);
934 return max;
935 }
936
memoryBarrier(QMemoryBarrier::Operations barriers)937 void GraphicsHelperGL3_2::memoryBarrier(QMemoryBarrier::Operations barriers)
938 {
939 Q_UNUSED(barriers);
940 qWarning() << "memory barrier is not supported by OpenGL 3.0 (since 4.3)";
941 }
942
enablePrimitiveRestart(int primitiveRestartIndex)943 void GraphicsHelperGL3_2::enablePrimitiveRestart(int primitiveRestartIndex)
944 {
945 m_funcs->glPrimitiveRestartIndex(primitiveRestartIndex);
946 m_funcs->glEnable(GL_PRIMITIVE_RESTART);
947 }
948
enableVertexAttributeArray(int location)949 void GraphicsHelperGL3_2::enableVertexAttributeArray(int location)
950 {
951 m_funcs->glEnableVertexAttribArray(location);
952 }
953
disablePrimitiveRestart()954 void GraphicsHelperGL3_2::disablePrimitiveRestart()
955 {
956 m_funcs->glDisable(GL_PRIMITIVE_RESTART);
957 }
958
clearBufferf(GLint drawbuffer,const QVector4D & values)959 void GraphicsHelperGL3_2::clearBufferf(GLint drawbuffer, const QVector4D &values)
960 {
961 GLfloat vec[4] = {values[0], values[1], values[2], values[3]};
962 m_funcs->glClearBufferfv(GL_COLOR, drawbuffer, vec);
963 }
964
pointSize(bool programmable,GLfloat value)965 void GraphicsHelperGL3_2::pointSize(bool programmable, GLfloat value)
966 {
967 if (programmable) {
968 m_funcs->glEnable(GL_PROGRAM_POINT_SIZE);
969 } else {
970 m_funcs->glDisable(GL_PROGRAM_POINT_SIZE);
971 m_funcs->glPointSize(value);
972 }
973 }
974
enablei(GLenum cap,GLuint index)975 void GraphicsHelperGL3_2::enablei(GLenum cap, GLuint index)
976 {
977 m_funcs->glEnablei(cap, index);
978 }
979
disablei(GLenum cap,GLuint index)980 void GraphicsHelperGL3_2::disablei(GLenum cap, GLuint index)
981 {
982 m_funcs->glDisablei(cap, index);
983 }
984
setSeamlessCubemap(bool enable)985 void GraphicsHelperGL3_2::setSeamlessCubemap(bool enable)
986 {
987 if (enable)
988 m_funcs->glEnable(GL_TEXTURE_CUBE_MAP_SEAMLESS);
989 else
990 m_funcs->glDisable(GL_TEXTURE_CUBE_MAP_SEAMLESS);
991 }
992
getRenderBufferDimensions(GLuint renderBufferId)993 QSize GraphicsHelperGL3_2::getRenderBufferDimensions(GLuint renderBufferId)
994 {
995 GLint width = 0;
996 GLint height = 0;
997
998 m_funcs->glBindRenderbuffer(GL_RENDERBUFFER, renderBufferId);
999 m_funcs->glGetRenderbufferParameteriv(GL_RENDERBUFFER, GL_RENDERBUFFER_WIDTH, &width);
1000 m_funcs->glGetRenderbufferParameteriv(GL_RENDERBUFFER, GL_RENDERBUFFER_HEIGHT, &height);
1001 m_funcs->glBindRenderbuffer(GL_RENDERBUFFER, 0);
1002
1003 return QSize(width, height);
1004 }
1005
getTextureDimensions(GLuint textureId,GLenum target,uint level)1006 QSize GraphicsHelperGL3_2::getTextureDimensions(GLuint textureId, GLenum target, uint level)
1007 {
1008 GLint width = 0;
1009 GLint height = 0;
1010
1011 m_funcs->glBindTexture(target, textureId);
1012 m_funcs->glGetTexLevelParameteriv(target, level, GL_TEXTURE_WIDTH, &width);
1013 m_funcs->glGetTexLevelParameteriv(target, level, GL_TEXTURE_HEIGHT, &height);
1014 m_funcs->glBindTexture(target, 0);
1015
1016 return QSize(width, height);
1017 }
1018
dispatchCompute(GLuint wx,GLuint wy,GLuint wz)1019 void GraphicsHelperGL3_2::dispatchCompute(GLuint wx, GLuint wy, GLuint wz)
1020 {
1021 Q_UNUSED(wx);
1022 Q_UNUSED(wy);
1023 Q_UNUSED(wz);
1024 qWarning() << "Compute Shaders are not supported by OpenGL 3.2 (since OpenGL 4.3)";
1025 }
1026
mapBuffer(GLenum target,GLsizeiptr size)1027 char *GraphicsHelperGL3_2::mapBuffer(GLenum target, GLsizeiptr size)
1028 {
1029 return static_cast<char*>(m_funcs->glMapBufferRange(target, 0, size, GL_MAP_READ_BIT | GL_MAP_WRITE_BIT));
1030 }
1031
unmapBuffer(GLenum target)1032 GLboolean GraphicsHelperGL3_2::unmapBuffer(GLenum target)
1033 {
1034 return m_funcs->glUnmapBuffer(target);
1035 }
1036
glUniform1fv(GLint location,GLsizei count,const GLfloat * values)1037 void GraphicsHelperGL3_2::glUniform1fv(GLint location, GLsizei count, const GLfloat *values)
1038 {
1039 m_funcs->glUniform1fv(location, count, values);
1040 }
1041
glUniform2fv(GLint location,GLsizei count,const GLfloat * values)1042 void GraphicsHelperGL3_2::glUniform2fv(GLint location, GLsizei count, const GLfloat *values)
1043 {
1044 m_funcs->glUniform2fv(location, count, values);
1045 }
1046
glUniform3fv(GLint location,GLsizei count,const GLfloat * values)1047 void GraphicsHelperGL3_2::glUniform3fv(GLint location, GLsizei count, const GLfloat *values)
1048 {
1049 m_funcs->glUniform3fv(location, count, values);
1050 }
1051
glUniform4fv(GLint location,GLsizei count,const GLfloat * values)1052 void GraphicsHelperGL3_2::glUniform4fv(GLint location, GLsizei count, const GLfloat *values)
1053 {
1054 m_funcs->glUniform4fv(location, count, values);
1055 }
1056
glUniform1iv(GLint location,GLsizei count,const GLint * values)1057 void GraphicsHelperGL3_2::glUniform1iv(GLint location, GLsizei count, const GLint *values)
1058 {
1059 m_funcs->glUniform1iv(location, count, values);
1060 }
1061
glUniform2iv(GLint location,GLsizei count,const GLint * values)1062 void GraphicsHelperGL3_2::glUniform2iv(GLint location, GLsizei count, const GLint *values)
1063 {
1064 m_funcs->glUniform2iv(location, count, values);
1065 }
1066
glUniform3iv(GLint location,GLsizei count,const GLint * values)1067 void GraphicsHelperGL3_2::glUniform3iv(GLint location, GLsizei count, const GLint *values)
1068 {
1069 m_funcs->glUniform3iv(location, count, values);
1070 }
1071
glUniform4iv(GLint location,GLsizei count,const GLint * values)1072 void GraphicsHelperGL3_2::glUniform4iv(GLint location, GLsizei count, const GLint *values)
1073 {
1074 m_funcs->glUniform4iv(location, count, values);
1075 }
1076
glUniform1uiv(GLint location,GLsizei count,const GLuint * values)1077 void GraphicsHelperGL3_2::glUniform1uiv(GLint location, GLsizei count, const GLuint *values)
1078 {
1079 m_funcs->glUniform1uiv(location, count, values);
1080 }
1081
glUniform2uiv(GLint location,GLsizei count,const GLuint * values)1082 void GraphicsHelperGL3_2::glUniform2uiv(GLint location, GLsizei count, const GLuint *values)
1083 {
1084 m_funcs->glUniform2uiv(location, count, values);
1085 }
1086
glUniform3uiv(GLint location,GLsizei count,const GLuint * values)1087 void GraphicsHelperGL3_2::glUniform3uiv(GLint location, GLsizei count, const GLuint *values)
1088 {
1089 m_funcs->glUniform3uiv(location, count, values);
1090 }
1091
glUniform4uiv(GLint location,GLsizei count,const GLuint * values)1092 void GraphicsHelperGL3_2::glUniform4uiv(GLint location, GLsizei count, const GLuint *values)
1093 {
1094 m_funcs->glUniform4uiv(location, count, values);
1095 }
1096
glUniformMatrix2fv(GLint location,GLsizei count,const GLfloat * values)1097 void GraphicsHelperGL3_2::glUniformMatrix2fv(GLint location, GLsizei count, const GLfloat *values)
1098 {
1099 m_funcs->glUniformMatrix2fv(location, count, false, values);
1100 }
1101
glUniformMatrix3fv(GLint location,GLsizei count,const GLfloat * values)1102 void GraphicsHelperGL3_2::glUniformMatrix3fv(GLint location, GLsizei count, const GLfloat *values)
1103 {
1104 m_funcs->glUniformMatrix3fv(location, count, false, values);
1105 }
1106
glUniformMatrix4fv(GLint location,GLsizei count,const GLfloat * values)1107 void GraphicsHelperGL3_2::glUniformMatrix4fv(GLint location, GLsizei count, const GLfloat *values)
1108 {
1109 m_funcs->glUniformMatrix4fv(location, count, false, values);
1110 }
1111
glUniformMatrix2x3fv(GLint location,GLsizei count,const GLfloat * values)1112 void GraphicsHelperGL3_2::glUniformMatrix2x3fv(GLint location, GLsizei count, const GLfloat *values)
1113 {
1114 m_funcs->glUniformMatrix2x3fv(location, count, false, values);
1115 }
1116
glUniformMatrix3x2fv(GLint location,GLsizei count,const GLfloat * values)1117 void GraphicsHelperGL3_2::glUniformMatrix3x2fv(GLint location, GLsizei count, const GLfloat *values)
1118 {
1119 m_funcs->glUniformMatrix3x2fv(location, count, false, values);
1120 }
1121
glUniformMatrix2x4fv(GLint location,GLsizei count,const GLfloat * values)1122 void GraphicsHelperGL3_2::glUniformMatrix2x4fv(GLint location, GLsizei count, const GLfloat *values)
1123 {
1124 m_funcs->glUniformMatrix2x4fv(location, count, false, values);
1125 }
1126
glUniformMatrix4x2fv(GLint location,GLsizei count,const GLfloat * values)1127 void GraphicsHelperGL3_2::glUniformMatrix4x2fv(GLint location, GLsizei count, const GLfloat *values)
1128 {
1129 m_funcs->glUniformMatrix4x2fv(location, count, false, values);
1130 }
1131
glUniformMatrix3x4fv(GLint location,GLsizei count,const GLfloat * values)1132 void GraphicsHelperGL3_2::glUniformMatrix3x4fv(GLint location, GLsizei count, const GLfloat *values)
1133 {
1134 m_funcs->glUniformMatrix3x4fv(location, count, false, values);
1135 }
1136
glUniformMatrix4x3fv(GLint location,GLsizei count,const GLfloat * values)1137 void GraphicsHelperGL3_2::glUniformMatrix4x3fv(GLint location, GLsizei count, const GLfloat *values)
1138 {
1139 m_funcs->glUniformMatrix4x3fv(location, count, false, values);
1140 }
1141
uniformTypeFromGLType(GLenum type)1142 UniformType GraphicsHelperGL3_2::uniformTypeFromGLType(GLenum type)
1143 {
1144 switch (type) {
1145 case GL_FLOAT:
1146 return UniformType::Float;
1147 case GL_FLOAT_VEC2:
1148 return UniformType::Vec2;
1149 case GL_FLOAT_VEC3:
1150 return UniformType::Vec3;
1151 case GL_FLOAT_VEC4:
1152 return UniformType::Vec4;
1153 case GL_FLOAT_MAT2:
1154 return UniformType::Mat2;
1155 case GL_FLOAT_MAT3:
1156 return UniformType::Mat3;
1157 case GL_FLOAT_MAT4:
1158 return UniformType::Mat4;
1159 case GL_FLOAT_MAT2x3:
1160 return UniformType::Mat2x3;
1161 case GL_FLOAT_MAT3x2:
1162 return UniformType::Mat3x2;
1163 case GL_FLOAT_MAT2x4:
1164 return UniformType::Mat2x4;
1165 case GL_FLOAT_MAT4x2:
1166 return UniformType::Mat4x2;
1167 case GL_FLOAT_MAT3x4:
1168 return UniformType::Mat3x4;
1169 case GL_FLOAT_MAT4x3:
1170 return UniformType::Mat4x3;
1171 case GL_INT:
1172 return UniformType::Int;
1173 case GL_INT_VEC2:
1174 return UniformType::IVec2;
1175 case GL_INT_VEC3:
1176 return UniformType::IVec3;
1177 case GL_INT_VEC4:
1178 return UniformType::IVec4;
1179 case GL_UNSIGNED_INT:
1180 return UniformType::UInt;
1181 case GL_UNSIGNED_INT_VEC2:
1182 return UniformType::UIVec2;
1183 case GL_UNSIGNED_INT_VEC3:
1184 return UniformType::UIVec3;
1185 case GL_UNSIGNED_INT_VEC4:
1186 return UniformType::UIVec4;
1187 case GL_BOOL:
1188 return UniformType::Bool;
1189 case GL_BOOL_VEC2:
1190 return UniformType::BVec2;
1191 case GL_BOOL_VEC3:
1192 return UniformType::BVec3;
1193 case GL_BOOL_VEC4:
1194 return UniformType::BVec4;
1195
1196 case GL_SAMPLER_BUFFER:
1197 case GL_SAMPLER_1D:
1198 case GL_SAMPLER_1D_SHADOW:
1199 case GL_SAMPLER_2D:
1200 case GL_SAMPLER_2D_RECT:
1201 case GL_SAMPLER_2D_SHADOW:
1202 case GL_SAMPLER_2D_RECT_SHADOW:
1203 case GL_SAMPLER_CUBE:
1204 case GL_SAMPLER_CUBE_SHADOW:
1205 case GL_SAMPLER_1D_ARRAY:
1206 case GL_SAMPLER_2D_ARRAY:
1207 case GL_SAMPLER_2D_ARRAY_SHADOW:
1208 case GL_SAMPLER_2D_MULTISAMPLE:
1209 case GL_SAMPLER_2D_MULTISAMPLE_ARRAY:
1210 case GL_SAMPLER_3D:
1211 case GL_INT_SAMPLER_BUFFER:
1212 case GL_INT_SAMPLER_1D:
1213 case GL_INT_SAMPLER_2D:
1214 case GL_INT_SAMPLER_3D:
1215 case GL_INT_SAMPLER_CUBE:
1216 case GL_INT_SAMPLER_1D_ARRAY:
1217 case GL_INT_SAMPLER_2D_ARRAY:
1218 case GL_INT_SAMPLER_2D_MULTISAMPLE:
1219 case GL_INT_SAMPLER_2D_MULTISAMPLE_ARRAY:
1220 case GL_UNSIGNED_INT_SAMPLER_BUFFER:
1221 case GL_UNSIGNED_INT_SAMPLER_1D:
1222 case GL_UNSIGNED_INT_SAMPLER_2D:
1223 case GL_UNSIGNED_INT_SAMPLER_3D:
1224 case GL_UNSIGNED_INT_SAMPLER_CUBE:
1225 case GL_UNSIGNED_INT_SAMPLER_1D_ARRAY:
1226 case GL_UNSIGNED_INT_SAMPLER_2D_ARRAY:
1227 case GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE:
1228 case GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE_ARRAY:
1229 return UniformType::Sampler;
1230 default:
1231 Q_UNREACHABLE();
1232 return UniformType::Float;
1233 }
1234 }
1235
blitFramebuffer(GLint srcX0,GLint srcY0,GLint srcX1,GLint srcY1,GLint dstX0,GLint dstY0,GLint dstX1,GLint dstY1,GLbitfield mask,GLenum filter)1236 void GraphicsHelperGL3_2::blitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter)
1237 {
1238 m_funcs->glBlitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
1239 }
1240
1241 } // namespace OpenGL
1242 } // namespace Render
1243 } // namespace Qt3DRender
1244
1245 QT_END_NAMESPACE
1246
1247 #endif // !QT_OPENGL_ES_2
1248