1// Copyright (C) 2015 Klaralvdalens Datakonsult AB (KDAB).
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#include "graphicshelpergl3_3_p.h"
5
6#if !QT_CONFIG(opengles2)
7#include <QOpenGLFunctions_3_3_Core>
8#include <private/attachmentpack_p.h>
9#include <logging_p.h>
10#include <qgraphicsutils_p.h>
11
12# ifndef QT_OPENGL_3_2
13# define GL_PATCH_VERTICES 36466
14# define GL_ACTIVE_RESOURCES 0x92F5
15# define GL_ACTIVE_UNIFORM_BLOCKS 0x8A36
16# define GL_BUFFER_BINDING 0x9302
17# define GL_BUFFER_DATA_SIZE 0x9303
18# define GL_NUM_ACTIVE_VARIABLES 0x9304
19# define GL_SHADER_STORAGE_BLOCK 0x92E6
20# define GL_UNIFORM 0x92E1
21# define GL_UNIFORM_BLOCK 0x92E2
22# define GL_UNIFORM_BLOCK_INDEX 0x8A3A
23# define GL_UNIFORM_OFFSET 0x8A3B
24# define GL_UNIFORM_ARRAY_STRIDE 0x8A3C
25# define GL_UNIFORM_MATRIX_STRIDE 0x8A3D
26# define GL_UNIFORM_BLOCK_ACTIVE_UNIFORMS 0x8A42
27# define GL_UNIFORM_BLOCK_BINDING 0x8A3F
28# define GL_UNIFORM_BLOCK_DATA_SIZE 0x8A40
29# endif
30
31QT_BEGIN_NAMESPACE
32
33namespace Qt3DRender {
34namespace Render {
35namespace OpenGL {
36
37GraphicsHelperGL3_3::GraphicsHelperGL3_3()
38 : m_funcs(nullptr)
39{
40}
41
42GraphicsHelperGL3_3::~GraphicsHelperGL3_3()
43{
44}
45
46void GraphicsHelperGL3_3::initializeHelper(QOpenGLContext *context,
47 QAbstractOpenGLFunctions *functions)
48{
49 Q_UNUSED(context);
50 m_funcs = static_cast<QOpenGLFunctions_3_3_Core*>(functions);
51 const bool ok = m_funcs->initializeOpenGLFunctions();
52 Q_ASSERT(ok);
53 Q_UNUSED(ok);
54}
55
56void GraphicsHelperGL3_3::drawElementsInstancedBaseVertexBaseInstance(GLenum primitiveType,
57 GLsizei primitiveCount,
58 GLint indexType,
59 void *indices,
60 GLsizei instances,
61 GLint baseVertex,
62 GLint baseInstance)
63{
64 if (baseInstance != 0)
65 qWarning() << "glDrawElementsInstancedBaseVertexBaseInstance is not supported with OpenGL 3.3";
66
67 // glDrawElements OpenGL 3.1 or greater
68 m_funcs->glDrawElementsInstancedBaseVertex(mode: primitiveType,
69 count: primitiveCount,
70 type: indexType,
71 indices,
72 instancecount: instances,
73 basevertex: baseVertex);
74}
75
76void GraphicsHelperGL3_3::drawArraysInstanced(GLenum primitiveType,
77 GLint first,
78 GLsizei count,
79 GLsizei instances)
80{
81 // glDrawArraysInstanced OpenGL 3.1 or greater
82 m_funcs->glDrawArraysInstanced(mode: primitiveType,
83 first,
84 count,
85 instancecount: instances);
86}
87
88void GraphicsHelperGL3_3::drawArraysInstancedBaseInstance(GLenum primitiveType, GLint first, GLsizei count, GLsizei instances, GLsizei baseInstance)
89{
90 if (baseInstance != 0)
91 qWarning() << "glDrawArraysInstancedBaseInstance is not supported with OpenGL 3";
92 m_funcs->glDrawArraysInstanced(mode: primitiveType,
93 first,
94 count,
95 instancecount: instances);
96}
97
98void GraphicsHelperGL3_3::drawElements(GLenum primitiveType,
99 GLsizei primitiveCount,
100 GLint indexType,
101 void *indices,
102 GLint baseVertex)
103{
104 m_funcs->glDrawElementsBaseVertex(mode: primitiveType,
105 count: primitiveCount,
106 type: indexType,
107 indices,
108 basevertex: baseVertex);
109}
110
111void GraphicsHelperGL3_3::drawElementsIndirect(GLenum, GLenum, void *)
112{
113 qWarning() << "Indirect Drawing is not supported with OpenGL 3";
114}
115
116void GraphicsHelperGL3_3::drawArrays(GLenum primitiveType,
117 GLint first,
118 GLsizei count)
119{
120 m_funcs->glDrawArrays(mode: primitiveType,
121 first,
122 count);
123}
124
125void GraphicsHelperGL3_3::drawArraysIndirect(GLenum , void *)
126{
127 qWarning() << "Indirect Drawing is not supported with OpenGL 3";
128}
129
130void GraphicsHelperGL3_3::setVerticesPerPatch(GLint verticesPerPatch)
131{
132 Q_UNUSED(verticesPerPatch);
133 qWarning() << "Tessellation not supported";
134}
135
136void GraphicsHelperGL3_3::useProgram(GLuint programId)
137{
138 m_funcs->glUseProgram(program: programId);
139}
140
141std::vector<ShaderUniform> GraphicsHelperGL3_3::programUniformsAndLocations(GLuint programId)
142{
143 std::vector<ShaderUniform> uniforms;
144
145 GLint nbrActiveUniforms = 0;
146 m_funcs->glGetProgramiv(program: programId, GL_ACTIVE_UNIFORMS, params: &nbrActiveUniforms);
147 uniforms.reserve(n: nbrActiveUniforms);
148 char uniformName[256];
149 for (GLint i = 0; i < nbrActiveUniforms; i++) {
150 ShaderUniform uniform;
151 GLsizei uniformNameLength = 0;
152 // Size is 1 for scalar and more for struct or arrays
153 // Type is the GL Type
154 m_funcs->glGetActiveUniform(program: programId, index: i, bufSize: sizeof(uniformName) - 1, length: &uniformNameLength,
155 size: &uniform.m_size, type: &uniform.m_type, name: uniformName);
156 uniformName[sizeof(uniformName) - 1] = '\0';
157 uniform.m_location = m_funcs->glGetUniformLocation(program: programId, name: uniformName);
158 uniform.m_name = QString::fromUtf8(utf8: uniformName, size: uniformNameLength);
159 // Work around for uniform array names that aren't returned with [0] by some drivers
160 if (uniform.m_size > 1 && !uniform.m_name.endsWith(s: QLatin1String("[0]")))
161 uniform.m_name.append(s: QLatin1String("[0]"));
162 m_funcs->glGetActiveUniformsiv(program: programId, uniformCount: 1, uniformIndices: (GLuint*)&i, GL_UNIFORM_BLOCK_INDEX, params: &uniform.m_blockIndex);
163 m_funcs->glGetActiveUniformsiv(program: programId, uniformCount: 1, uniformIndices: (GLuint*)&i, GL_UNIFORM_OFFSET, params: &uniform.m_offset);
164 m_funcs->glGetActiveUniformsiv(program: programId, uniformCount: 1, uniformIndices: (GLuint*)&i, GL_UNIFORM_ARRAY_STRIDE, params: &uniform.m_arrayStride);
165 m_funcs->glGetActiveUniformsiv(program: programId, uniformCount: 1, uniformIndices: (GLuint*)&i, GL_UNIFORM_MATRIX_STRIDE, params: &uniform.m_matrixStride);
166 uniform.m_rawByteSize = uniformByteSize(description: uniform);
167 uniforms.push_back(x: uniform);
168 qCDebug(Rendering) << uniform.m_name << "size" << uniform.m_size
169 << " offset" << uniform.m_offset
170 << " rawSize" << uniform.m_rawByteSize;
171 }
172
173 return uniforms;
174}
175
176std::vector<ShaderAttribute> GraphicsHelperGL3_3::programAttributesAndLocations(GLuint programId)
177{
178 std::vector<ShaderAttribute> attributes;
179 GLint nbrActiveAttributes = 0;
180 m_funcs->glGetProgramiv(program: programId, GL_ACTIVE_ATTRIBUTES, params: &nbrActiveAttributes);
181 attributes.reserve(n: nbrActiveAttributes);
182 char attributeName[256];
183 for (GLint i = 0; i < nbrActiveAttributes; i++) {
184 ShaderAttribute attribute;
185 GLsizei attributeNameLength = 0;
186 // Size is 1 for scalar and more for struct or arrays
187 // Type is the GL Type
188 m_funcs->glGetActiveAttrib(program: programId, index: i, bufSize: sizeof(attributeName) - 1, length: &attributeNameLength,
189 size: &attribute.m_size, type: &attribute.m_type, name: attributeName);
190 attributeName[sizeof(attributeName) - 1] = '\0';
191 attribute.m_location = m_funcs->glGetAttribLocation(program: programId, name: attributeName);
192 attribute.m_name = QString::fromUtf8(utf8: attributeName, size: attributeNameLength);
193 attributes.push_back(x: attribute);
194 }
195 return attributes;
196}
197
198std::vector<ShaderUniformBlock> GraphicsHelperGL3_3::programUniformBlocks(GLuint programId)
199{
200 std::vector<ShaderUniformBlock> blocks;
201 GLint nbrActiveUniformsBlocks = 0;
202 m_funcs->glGetProgramiv(program: programId, GL_ACTIVE_UNIFORM_BLOCKS, params: &nbrActiveUniformsBlocks);
203 blocks.reserve(n: nbrActiveUniformsBlocks);
204 for (GLint i = 0; i < nbrActiveUniformsBlocks; i++) {
205 QByteArray uniformBlockName(256, '\0');
206 GLsizei length = 0;
207 ShaderUniformBlock uniformBlock;
208 m_funcs->glGetActiveUniformBlockName(program: programId, uniformBlockIndex: i, bufSize: 256, length: &length, uniformBlockName: uniformBlockName.data());
209 uniformBlock.m_name = QString::fromUtf8(ba: uniformBlockName.left(len: length));
210 uniformBlock.m_index = i;
211 m_funcs->glGetActiveUniformBlockiv(program: programId, uniformBlockIndex: i, GL_UNIFORM_BLOCK_ACTIVE_UNIFORMS, params: &uniformBlock.m_activeUniformsCount);
212 m_funcs->glGetActiveUniformBlockiv(program: programId, uniformBlockIndex: i, GL_UNIFORM_BLOCK_BINDING, params: &uniformBlock.m_binding);
213 m_funcs->glGetActiveUniformBlockiv(program: programId, uniformBlockIndex: i, GL_UNIFORM_BLOCK_DATA_SIZE, params: &uniformBlock.m_size);
214 blocks.push_back(x: uniformBlock);
215 }
216 return blocks;
217}
218
219std::vector<ShaderStorageBlock> GraphicsHelperGL3_3::programShaderStorageBlocks(GLuint programId)
220{
221 Q_UNUSED(programId);
222 qWarning() << "SSBO are not supported by OpenGL 3.3 (since OpenGL 4.3)";
223 return {};
224}
225
226void GraphicsHelperGL3_3::vertexAttribDivisor(GLuint index, GLuint divisor)
227{
228 m_funcs->glVertexAttribDivisor(index, divisor);
229}
230
231void GraphicsHelperGL3_3::vertexAttributePointer(GLenum shaderDataType,
232 GLuint index,
233 GLint size,
234 GLenum type,
235 GLboolean normalized,
236 GLsizei stride,
237 const GLvoid *pointer)
238{
239 switch (shaderDataType) {
240 case GL_FLOAT:
241 case GL_FLOAT_VEC2:
242 case GL_FLOAT_VEC3:
243 case GL_FLOAT_VEC4:
244 case GL_FLOAT_MAT2:
245 case GL_FLOAT_MAT2x3:
246 case GL_FLOAT_MAT2x4:
247 case GL_FLOAT_MAT3:
248 case GL_FLOAT_MAT3x2:
249 case GL_FLOAT_MAT3x4:
250 case GL_FLOAT_MAT4x2:
251 case GL_FLOAT_MAT4x3:
252 case GL_FLOAT_MAT4:
253 m_funcs->glVertexAttribPointer(index, size, type, normalized, stride, pointer);
254 break;
255
256 case GL_INT:
257 case GL_INT_VEC2:
258 case GL_INT_VEC3:
259 case GL_INT_VEC4:
260 case GL_UNSIGNED_INT:
261 case GL_UNSIGNED_INT_VEC2:
262 case GL_UNSIGNED_INT_VEC3:
263 case GL_UNSIGNED_INT_VEC4:
264 m_funcs->glVertexAttribIPointer(index, size, type, stride, pointer);
265 break;
266
267 default:
268 qCWarning(Rendering) << "vertexAttribPointer: Unhandled type";
269 }
270}
271
272void GraphicsHelperGL3_3::readBuffer(GLenum mode)
273{
274 m_funcs->glReadBuffer(mode);
275}
276
277void GraphicsHelperGL3_3::drawBuffer(GLenum mode)
278{
279 m_funcs->glDrawBuffer(mode);
280}
281
282void *GraphicsHelperGL3_3::fenceSync()
283{
284 return m_funcs->glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, flags: 0);
285}
286
287void GraphicsHelperGL3_3::clientWaitSync(void *sync, GLuint64 nanoSecTimeout)
288{
289 m_funcs->glClientWaitSync(sync: static_cast<GLsync>(sync), GL_SYNC_FLUSH_COMMANDS_BIT, timeout: nanoSecTimeout);
290}
291
292void GraphicsHelperGL3_3::waitSync(void *sync)
293{
294 m_funcs->glWaitSync(sync: static_cast<GLsync>(sync), flags: 0, GL_TIMEOUT_IGNORED);
295}
296
297bool GraphicsHelperGL3_3::wasSyncSignaled(void *sync)
298{
299 GLint v;
300 m_funcs->glGetSynciv(sync: static_cast<GLsync>(sync),
301 GL_SYNC_STATUS,
302 bufSize: sizeof(v),
303 length: nullptr,
304 values: &v);
305 return v == GL_SIGNALED;
306}
307
308void GraphicsHelperGL3_3::deleteSync(void *sync)
309{
310 m_funcs->glDeleteSync(sync: static_cast<GLsync>(sync));
311}
312
313void GraphicsHelperGL3_3::rasterMode(GLenum faceMode, GLenum rasterMode)
314{
315 m_funcs->glPolygonMode(face: faceMode, mode: rasterMode);
316}
317
318void GraphicsHelperGL3_3::blendEquation(GLenum mode)
319{
320 m_funcs->glBlendEquation(mode);
321}
322
323void GraphicsHelperGL3_3::blendFunci(GLuint buf, GLenum sfactor, GLenum dfactor)
324{
325 Q_UNUSED(buf);
326 Q_UNUSED(sfactor);
327 Q_UNUSED(dfactor);
328
329 qWarning() << "glBlendFunci() not supported by OpenGL 3.3 (since OpenGL 4.0)";
330}
331
332void GraphicsHelperGL3_3::blendFuncSeparatei(GLuint buf, GLenum sRGB, GLenum dRGB, GLenum sAlpha, GLenum dAlpha)
333{
334 Q_UNUSED(buf);
335 Q_UNUSED(sRGB);
336 Q_UNUSED(dRGB);
337 Q_UNUSED(sAlpha);
338 Q_UNUSED(dAlpha);
339
340 qWarning() << "glBlendFuncSeparatei() not supported by OpenGL 3.3 (since OpenGL 4.0)";
341}
342
343void GraphicsHelperGL3_3::alphaTest(GLenum, GLenum)
344{
345 qCWarning(Rendering) << "AlphaTest not available with OpenGL 3.2 core";
346}
347
348void GraphicsHelperGL3_3::depthTest(GLenum mode)
349{
350 m_funcs->glEnable(GL_DEPTH_TEST);
351 m_funcs->glDepthFunc(func: mode);
352}
353
354void GraphicsHelperGL3_3::depthMask(GLenum mode)
355{
356 m_funcs->glDepthMask(flag: mode);
357}
358
359void GraphicsHelperGL3_3::depthRange(GLdouble nearValue, GLdouble farValue)
360{
361 m_funcs->glDepthRange(nearVal: nearValue, farVal: farValue);
362}
363
364void GraphicsHelperGL3_3::frontFace(GLenum mode)
365{
366 m_funcs->glFrontFace(mode);
367
368}
369
370void GraphicsHelperGL3_3::setMSAAEnabled(bool enabled)
371{
372 enabled ? m_funcs->glEnable(GL_MULTISAMPLE)
373 : m_funcs->glDisable(GL_MULTISAMPLE);
374}
375
376void GraphicsHelperGL3_3::setAlphaCoverageEnabled(bool enabled)
377{
378 enabled ? m_funcs->glEnable(GL_SAMPLE_ALPHA_TO_COVERAGE)
379 : m_funcs->glDisable(GL_SAMPLE_ALPHA_TO_COVERAGE);
380}
381
382GLuint GraphicsHelperGL3_3::createFrameBufferObject()
383{
384 GLuint id;
385 m_funcs->glGenFramebuffers(n: 1, framebuffers: &id);
386 return id;
387}
388
389void GraphicsHelperGL3_3::releaseFrameBufferObject(GLuint frameBufferId)
390{
391 m_funcs->glDeleteFramebuffers(n: 1, framebuffers: &frameBufferId);
392}
393
394void GraphicsHelperGL3_3::bindFrameBufferObject(GLuint frameBufferId, FBOBindMode mode)
395{
396 switch (mode) {
397 case FBODraw:
398 m_funcs->glBindFramebuffer(GL_DRAW_FRAMEBUFFER, framebuffer: frameBufferId);
399 return;
400 case FBORead:
401 m_funcs->glBindFramebuffer(GL_READ_FRAMEBUFFER, framebuffer: frameBufferId);
402 return;
403 case FBOReadAndDraw:
404 default:
405 m_funcs->glBindFramebuffer(GL_FRAMEBUFFER, framebuffer: frameBufferId);
406 return;
407 }
408}
409
410GLuint GraphicsHelperGL3_3::boundFrameBufferObject()
411{
412 GLint id = 0;
413 m_funcs->glGetIntegerv(GL_DRAW_FRAMEBUFFER_BINDING, params: &id);
414 return id;
415}
416
417bool GraphicsHelperGL3_3::checkFrameBufferComplete()
418{
419 return (m_funcs->glCheckFramebufferStatus(GL_FRAMEBUFFER) == GL_FRAMEBUFFER_COMPLETE);
420}
421
422bool GraphicsHelperGL3_3::frameBufferNeedsRenderBuffer(const Attachment &attachment)
423{
424 Q_UNUSED(attachment);
425 return false;
426}
427
428void GraphicsHelperGL3_3::bindFrameBufferAttachment(QOpenGLTexture *texture, const Attachment &attachment)
429{
430 GLenum attr = GL_DEPTH_STENCIL_ATTACHMENT;
431
432 if (attachment.m_point <= QRenderTargetOutput::Color15)
433 attr = GL_COLOR_ATTACHMENT0 + attachment.m_point;
434 else if (attachment.m_point == QRenderTargetOutput::Depth)
435 attr = GL_DEPTH_ATTACHMENT;
436 else if (attachment.m_point == QRenderTargetOutput::Stencil)
437 attr = GL_STENCIL_ATTACHMENT;
438
439 texture->bind();
440 QOpenGLTexture::Target target = texture->target();
441 if (target == QOpenGLTexture::Target1DArray || target == QOpenGLTexture::Target2DArray ||
442 target == QOpenGLTexture::Target2DMultisampleArray || target == QOpenGLTexture::Target3D)
443 m_funcs->glFramebufferTextureLayer(GL_DRAW_FRAMEBUFFER, attachment: attr, texture: texture->textureId(), level: attachment.m_mipLevel, layer: attachment.m_layer);
444 else if (target == QOpenGLTexture::TargetCubeMapArray && attachment.m_face != QAbstractTexture::AllFaces)
445 m_funcs->glFramebufferTextureLayer( GL_DRAW_FRAMEBUFFER, attachment: attr, texture: texture->textureId(), level: attachment.m_mipLevel, layer: attachment.m_layer * 6 + (attachment.m_face - QAbstractTexture::CubeMapPositiveX));
446 else if (target == QOpenGLTexture::TargetCubeMap && attachment.m_face != QAbstractTexture::AllFaces)
447 m_funcs->glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, attachment: attr, textarget: attachment.m_face, texture: texture->textureId(), level: attachment.m_mipLevel);
448 else
449 m_funcs->glFramebufferTexture(GL_DRAW_FRAMEBUFFER, attachment: attr, texture: texture->textureId(), level: attachment.m_mipLevel);
450 texture->release();
451}
452
453void GraphicsHelperGL3_3::bindFrameBufferAttachment(RenderBuffer *renderBuffer, const Attachment &attachment)
454{
455 Q_UNUSED(renderBuffer);
456 Q_UNUSED(attachment);
457 Q_UNREACHABLE();
458}
459
460bool GraphicsHelperGL3_3::supportsFeature(GraphicsHelperInterface::Feature feature) const
461{
462 switch (feature) {
463 case MRT:
464 case UniformBufferObject:
465 case PrimitiveRestart:
466 case RenderBufferDimensionRetrieval:
467 case TextureDimensionRetrieval:
468 case BindableFragmentOutputs:
469 case BlitFramebuffer:
470 case Fences:
471 return true;
472 default:
473 return false;
474 }
475}
476
477void GraphicsHelperGL3_3::drawBuffers(GLsizei n, const int *bufs)
478{
479 // Use QVarLengthArray here
480 QVarLengthArray<GLenum, 16> drawBufs(n);
481
482 for (int i = 0; i < n; i++)
483 drawBufs[i] = GL_COLOR_ATTACHMENT0 + bufs[i];
484 m_funcs->glDrawBuffers(n, bufs: drawBufs.constData());
485}
486
487void GraphicsHelperGL3_3::bindFragDataLocation(GLuint shader, const QHash<QString, int> &outputs)
488{
489 for (auto it = outputs.begin(), end = outputs.end(); it != end; ++it)
490 m_funcs->glBindFragDataLocation(program: shader, color: it.value(), name: it.key().toStdString().c_str());
491}
492
493void GraphicsHelperGL3_3::bindUniformBlock(GLuint programId, GLuint uniformBlockIndex, GLuint uniformBlockBinding)
494{
495 m_funcs->glUniformBlockBinding(program: programId, uniformBlockIndex, uniformBlockBinding);
496}
497
498void GraphicsHelperGL3_3::bindShaderStorageBlock(GLuint programId, GLuint shaderStorageBlockIndex, GLuint shaderStorageBlockBinding)
499{
500 Q_UNUSED(programId);
501 Q_UNUSED(shaderStorageBlockIndex);
502 Q_UNUSED(shaderStorageBlockBinding);
503 qWarning() << "SSBO are not supported by OpenGL 3.3 (since OpenGL 4.3)";
504}
505
506void GraphicsHelperGL3_3::bindImageTexture(GLuint imageUnit, GLuint texture,
507 GLint mipLevel, GLboolean layered,
508 GLint layer, GLenum access, GLenum format)
509{
510 Q_UNUSED(imageUnit);
511 Q_UNUSED(texture);
512 Q_UNUSED(mipLevel);
513 Q_UNUSED(layered);
514 Q_UNUSED(layer);
515 Q_UNUSED(access);
516 Q_UNUSED(format);
517 qWarning() << "Shader Images are not supported by OpenGL 3.3 (since OpenGL 4.2)";
518}
519
520void GraphicsHelperGL3_3::bindBufferBase(GLenum target, GLuint index, GLuint buffer)
521{
522 m_funcs->glBindBufferBase(target, index, buffer);
523}
524
525void GraphicsHelperGL3_3::buildUniformBuffer(const QVariant &v, const ShaderUniform &description, QByteArray &buffer)
526{
527 char *bufferData = buffer.data();
528
529 switch (description.m_type) {
530
531 case GL_FLOAT: {
532 const GLfloat *data = QGraphicsUtils::valueArrayFromVariant<GLfloat>(v, count: description.m_size, tupleSize: 1);
533 QGraphicsUtils::fillDataArray(buffer: bufferData, data, description, tupleSize: 1);
534 break;
535 }
536
537 case GL_FLOAT_VEC2: {
538 const GLfloat *data = QGraphicsUtils::valueArrayFromVariant<GLfloat>(v, count: description.m_size, tupleSize: 2);
539 QGraphicsUtils::fillDataArray(buffer: bufferData, data, description, tupleSize: 2);
540 break;
541 }
542
543 case GL_FLOAT_VEC3: {
544 const GLfloat *data = QGraphicsUtils::valueArrayFromVariant<GLfloat>(v, count: description.m_size, tupleSize: 3);
545 QGraphicsUtils::fillDataArray(buffer: bufferData, data, description, tupleSize: 3);
546 break;
547 }
548
549 case GL_FLOAT_VEC4: {
550 const GLfloat *data = QGraphicsUtils::valueArrayFromVariant<GLfloat>(v, count: description.m_size, tupleSize: 4);
551 QGraphicsUtils::fillDataArray(buffer: bufferData, data, description, tupleSize: 4);
552 break;
553 }
554
555 case GL_FLOAT_MAT2: {
556 const GLfloat *data = QGraphicsUtils::valueArrayFromVariant<GLfloat>(v, count: description.m_size, tupleSize: 4);
557 QGraphicsUtils::fillDataMatrixArray(buffer: bufferData, data, description, cols: 2, rows: 2);
558 break;
559 }
560
561 case GL_FLOAT_MAT2x3: {
562 const GLfloat *data = QGraphicsUtils::valueArrayFromVariant<GLfloat>(v, count: description.m_size, tupleSize: 6);
563 QGraphicsUtils::fillDataMatrixArray(buffer: bufferData, data, description, cols: 2, rows: 3);
564 break;
565 }
566
567 case GL_FLOAT_MAT2x4: {
568 const GLfloat *data = QGraphicsUtils::valueArrayFromVariant<GLfloat>(v, count: description.m_size, tupleSize: 8);
569 QGraphicsUtils::fillDataMatrixArray(buffer: bufferData, data, description, cols: 2, rows: 4);
570 break;
571 }
572
573 case GL_FLOAT_MAT3: {
574 const GLfloat *data = QGraphicsUtils::valueArrayFromVariant<GLfloat>(v, count: description.m_size, tupleSize: 9);
575 QGraphicsUtils::fillDataMatrixArray(buffer: bufferData, data, description, cols: 3, rows: 3);
576 break;
577 }
578
579 case GL_FLOAT_MAT3x2: {
580 const GLfloat *data = QGraphicsUtils::valueArrayFromVariant<GLfloat>(v, count: description.m_size, tupleSize: 6);
581 QGraphicsUtils::fillDataMatrixArray(buffer: bufferData, data, description, cols: 3, rows: 2);
582 break;
583 }
584
585 case GL_FLOAT_MAT3x4: {
586 const GLfloat *data = QGraphicsUtils::valueArrayFromVariant<GLfloat>(v, count: description.m_size, tupleSize: 12);
587 QGraphicsUtils::fillDataMatrixArray(buffer: bufferData, data, description, cols: 3, rows: 4);
588 break;
589 }
590
591 case GL_FLOAT_MAT4: {
592 const GLfloat *data = QGraphicsUtils::valueArrayFromVariant<GLfloat>(v, count: description.m_size, tupleSize: 16);
593 QGraphicsUtils::fillDataMatrixArray(buffer: bufferData, data, description, cols: 4, rows: 4);
594 break;
595 }
596
597 case GL_FLOAT_MAT4x2: {
598 const GLfloat *data = QGraphicsUtils::valueArrayFromVariant<GLfloat>(v, count: description.m_size, tupleSize: 8);
599 QGraphicsUtils::fillDataMatrixArray(buffer: bufferData, data, description, cols: 4, rows: 2);
600 break;
601 }
602
603 case GL_FLOAT_MAT4x3: {
604 const GLfloat *data = QGraphicsUtils::valueArrayFromVariant<GLfloat>(v, count: description.m_size, tupleSize: 12);
605 QGraphicsUtils::fillDataMatrixArray(buffer: bufferData, data, description, cols: 4, rows: 3);
606 break;
607 }
608
609 case GL_INT: {
610 const GLint *data = QGraphicsUtils::valueArrayFromVariant<GLint>(v, count: description.m_size, tupleSize: 1);
611 QGraphicsUtils::fillDataArray(buffer: bufferData, data, description, tupleSize: 1);
612 break;
613 }
614
615 case GL_INT_VEC2: {
616 const GLint *data = QGraphicsUtils::valueArrayFromVariant<GLint>(v, count: description.m_size, tupleSize: 2);
617 QGraphicsUtils::fillDataArray(buffer: bufferData, data, description, tupleSize: 2);
618 break;
619 }
620
621 case GL_INT_VEC3: {
622 const GLint *data = QGraphicsUtils::valueArrayFromVariant<GLint>(v, count: description.m_size, tupleSize: 3);
623 QGraphicsUtils::fillDataArray(buffer: bufferData, data, description, tupleSize: 3);
624 break;
625 }
626
627 case GL_INT_VEC4: {
628 const GLint *data = QGraphicsUtils::valueArrayFromVariant<GLint>(v, count: description.m_size, tupleSize: 4);
629 QGraphicsUtils::fillDataArray(buffer: bufferData, data, description, tupleSize: 4);
630 break;
631 }
632
633 case GL_UNSIGNED_INT: {
634 const GLuint *data = QGraphicsUtils::valueArrayFromVariant<GLuint>(v, count: description.m_size, tupleSize: 1);
635 QGraphicsUtils::fillDataArray(buffer: bufferData, data, description, tupleSize: 1);
636 break;
637 }
638
639 case GL_UNSIGNED_INT_VEC2: {
640 const GLuint *data = QGraphicsUtils::valueArrayFromVariant<GLuint>(v, count: description.m_size, tupleSize: 2);
641 QGraphicsUtils::fillDataArray(buffer: bufferData, data, description, tupleSize: 2);
642 break;
643 }
644
645 case GL_UNSIGNED_INT_VEC3: {
646 const GLuint *data = QGraphicsUtils::valueArrayFromVariant<GLuint>(v, count: description.m_size, tupleSize: 3);
647 QGraphicsUtils::fillDataArray(buffer: bufferData, data, description, tupleSize: 3);
648 break;
649 }
650
651 case GL_UNSIGNED_INT_VEC4: {
652 const GLuint *data = QGraphicsUtils::valueArrayFromVariant<GLuint>(v, count: description.m_size, tupleSize: 4);
653 QGraphicsUtils::fillDataArray(buffer: bufferData, data, description, tupleSize: 4);
654 break;
655 }
656
657 case GL_BOOL: {
658 const GLboolean *data = QGraphicsUtils::valueArrayFromVariant<GLboolean>(v, count: description.m_size, tupleSize: 1);
659 QGraphicsUtils::fillDataArray(buffer: bufferData, data, description, tupleSize: 1);
660 break;
661 }
662
663 case GL_BOOL_VEC2: {
664 const GLboolean *data = QGraphicsUtils::valueArrayFromVariant<GLboolean>(v, count: description.m_size, tupleSize: 2);
665 QGraphicsUtils::fillDataArray(buffer: bufferData, data, description, tupleSize: 2);
666 break;
667 }
668
669 case GL_BOOL_VEC3: {
670 const GLboolean *data = QGraphicsUtils::valueArrayFromVariant<GLboolean>(v, count: description.m_size, tupleSize: 3);
671 QGraphicsUtils::fillDataArray(buffer: bufferData, data, description, tupleSize: 3);
672 break;
673 }
674
675 case GL_BOOL_VEC4: {
676 const GLboolean *data = QGraphicsUtils::valueArrayFromVariant<GLboolean>(v, count: description.m_size, tupleSize: 4);
677 QGraphicsUtils::fillDataArray(buffer: bufferData, data, description, tupleSize: 4);
678 break;
679 }
680
681 case GL_SAMPLER_1D:
682 case GL_SAMPLER_2D:
683 case GL_SAMPLER_3D:
684 case GL_SAMPLER_CUBE:
685 case GL_SAMPLER_BUFFER:
686 case GL_SAMPLER_2D_RECT:
687 case GL_INT_SAMPLER_1D:
688 case GL_INT_SAMPLER_2D:
689 case GL_INT_SAMPLER_3D:
690 case GL_INT_SAMPLER_CUBE:
691 case GL_INT_SAMPLER_BUFFER:
692 case GL_INT_SAMPLER_2D_RECT:
693 case GL_UNSIGNED_INT_SAMPLER_1D:
694 case GL_UNSIGNED_INT_SAMPLER_2D:
695 case GL_UNSIGNED_INT_SAMPLER_3D:
696 case GL_UNSIGNED_INT_SAMPLER_CUBE:
697 case GL_UNSIGNED_INT_SAMPLER_BUFFER:
698 case GL_UNSIGNED_INT_SAMPLER_2D_RECT:
699 case GL_SAMPLER_1D_SHADOW:
700 case GL_SAMPLER_2D_SHADOW:
701 case GL_SAMPLER_CUBE_SHADOW:
702 case GL_SAMPLER_1D_ARRAY:
703 case GL_SAMPLER_2D_ARRAY:
704 case GL_INT_SAMPLER_1D_ARRAY:
705 case GL_INT_SAMPLER_2D_ARRAY:
706 case GL_UNSIGNED_INT_SAMPLER_1D_ARRAY:
707 case GL_UNSIGNED_INT_SAMPLER_2D_ARRAY:
708 case GL_SAMPLER_1D_ARRAY_SHADOW:
709 case GL_SAMPLER_2D_ARRAY_SHADOW:
710 case GL_SAMPLER_2D_RECT_SHADOW:
711 case GL_SAMPLER_2D_MULTISAMPLE:
712 case GL_INT_SAMPLER_2D_MULTISAMPLE:
713 case GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE:
714 case GL_SAMPLER_2D_MULTISAMPLE_ARRAY:
715 case GL_INT_SAMPLER_2D_MULTISAMPLE_ARRAY:
716 case GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE_ARRAY: {
717 Q_ASSERT(description.m_size == 1);
718 int value = v.toInt();
719 QGraphicsUtils::fillDataArray<GLint>(buffer: bufferData, data: &value, description, tupleSize: 1);
720 break;
721 }
722
723 default:
724 qWarning() << Q_FUNC_INFO << "unsupported uniform type:" << description.m_type << "for " << description.m_name;
725 break;
726 }
727}
728
729uint GraphicsHelperGL3_3::uniformByteSize(const ShaderUniform &description)
730{
731 uint rawByteSize = 0;
732 int arrayStride = qMax(a: description.m_arrayStride, b: 0);
733 int matrixStride = qMax(a: description.m_matrixStride, b: 0);
734
735 switch (description.m_type) {
736
737 case GL_FLOAT_VEC2:
738 case GL_INT_VEC2:
739 case GL_UNSIGNED_INT_VEC2:
740 rawByteSize = 8;
741 break;
742
743 case GL_FLOAT_VEC3:
744 case GL_INT_VEC3:
745 case GL_UNSIGNED_INT_VEC3:
746 rawByteSize = 12;
747 break;
748
749 case GL_FLOAT_VEC4:
750 case GL_INT_VEC4:
751 case GL_UNSIGNED_INT_VEC4:
752 rawByteSize = 16;
753 break;
754
755 case GL_FLOAT_MAT2:
756 rawByteSize = matrixStride ? 2 * matrixStride : 16;
757 break;
758
759 case GL_FLOAT_MAT2x4:
760 rawByteSize = matrixStride ? 2 * matrixStride : 32;
761 break;
762
763 case GL_FLOAT_MAT4x2:
764 rawByteSize = matrixStride ? 4 * matrixStride : 32;
765 break;
766
767 case GL_FLOAT_MAT3:
768 rawByteSize = matrixStride ? 3 * matrixStride : 36;
769 break;
770
771 case GL_FLOAT_MAT2x3:
772 rawByteSize = matrixStride ? 2 * matrixStride : 24;
773 break;
774
775 case GL_FLOAT_MAT3x2:
776 rawByteSize = matrixStride ? 3 * matrixStride : 24;
777 break;
778
779 case GL_FLOAT_MAT4:
780 rawByteSize = matrixStride ? 4 * matrixStride : 64;
781 break;
782
783 case GL_FLOAT_MAT4x3:
784 rawByteSize = matrixStride ? 4 * matrixStride : 48;
785 break;
786
787 case GL_FLOAT_MAT3x4:
788 rawByteSize = matrixStride ? 3 * matrixStride : 48;
789 break;
790
791 case GL_BOOL:
792 rawByteSize = 1;
793 break;
794
795 case GL_BOOL_VEC2:
796 rawByteSize = 2;
797 break;
798
799 case GL_BOOL_VEC3:
800 rawByteSize = 3;
801 break;
802
803 case GL_BOOL_VEC4:
804 rawByteSize = 4;
805 break;
806
807 case GL_INT:
808 case GL_FLOAT:
809 case GL_UNSIGNED_INT:
810 case GL_SAMPLER_1D:
811 case GL_SAMPLER_2D:
812 case GL_SAMPLER_3D:
813 case GL_SAMPLER_CUBE:
814 case GL_SAMPLER_BUFFER:
815 case GL_SAMPLER_2D_RECT:
816 case GL_INT_SAMPLER_1D:
817 case GL_INT_SAMPLER_2D:
818 case GL_INT_SAMPLER_3D:
819 case GL_INT_SAMPLER_CUBE:
820 case GL_INT_SAMPLER_BUFFER:
821 case GL_INT_SAMPLER_2D_RECT:
822 case GL_UNSIGNED_INT_SAMPLER_1D:
823 case GL_UNSIGNED_INT_SAMPLER_2D:
824 case GL_UNSIGNED_INT_SAMPLER_3D:
825 case GL_UNSIGNED_INT_SAMPLER_CUBE:
826 case GL_UNSIGNED_INT_SAMPLER_BUFFER:
827 case GL_UNSIGNED_INT_SAMPLER_2D_RECT:
828 case GL_SAMPLER_1D_SHADOW:
829 case GL_SAMPLER_2D_SHADOW:
830 case GL_SAMPLER_CUBE_SHADOW:
831 case GL_SAMPLER_1D_ARRAY:
832 case GL_SAMPLER_2D_ARRAY:
833 case GL_INT_SAMPLER_1D_ARRAY:
834 case GL_INT_SAMPLER_2D_ARRAY:
835 case GL_UNSIGNED_INT_SAMPLER_1D_ARRAY:
836 case GL_UNSIGNED_INT_SAMPLER_2D_ARRAY:
837 case GL_SAMPLER_1D_ARRAY_SHADOW:
838 case GL_SAMPLER_2D_ARRAY_SHADOW:
839 case GL_SAMPLER_2D_RECT_SHADOW:
840 case GL_SAMPLER_2D_MULTISAMPLE:
841 case GL_INT_SAMPLER_2D_MULTISAMPLE:
842 case GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE:
843 case GL_SAMPLER_2D_MULTISAMPLE_ARRAY:
844 case GL_INT_SAMPLER_2D_MULTISAMPLE_ARRAY:
845 case GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE_ARRAY:
846 rawByteSize = 4;
847 break;
848 }
849
850 return arrayStride ? rawByteSize * arrayStride : rawByteSize;
851}
852
853void GraphicsHelperGL3_3::enableClipPlane(int clipPlane)
854{
855 m_funcs->glEnable(GL_CLIP_DISTANCE0 + clipPlane);
856}
857
858void GraphicsHelperGL3_3::disableClipPlane(int clipPlane)
859{
860 m_funcs->glDisable(GL_CLIP_DISTANCE0 + clipPlane);
861}
862
863void GraphicsHelperGL3_3::setClipPlane(int clipPlane, const QVector3D &normal, float distance)
864{
865 // deprecated
866 Q_UNUSED(clipPlane);
867 Q_UNUSED(normal);
868 Q_UNUSED(distance);
869}
870
871GLint GraphicsHelperGL3_3::maxClipPlaneCount()
872{
873 GLint max = 0;
874 m_funcs->glGetIntegerv(GL_MAX_CLIP_DISTANCES, params: &max);
875 return max;
876}
877
878void GraphicsHelperGL3_3::memoryBarrier(QMemoryBarrier::Operations barriers)
879{
880 Q_UNUSED(barriers);
881 qWarning() << "memory barrier is not supported by OpenGL 3.3 (since 4.3)";
882}
883
884void GraphicsHelperGL3_3::enablePrimitiveRestart(int primitiveRestartIndex)
885{
886 m_funcs->glPrimitiveRestartIndex(index: primitiveRestartIndex);
887 m_funcs->glEnable(GL_PRIMITIVE_RESTART);
888}
889
890void GraphicsHelperGL3_3::enableVertexAttributeArray(int location)
891{
892 m_funcs->glEnableVertexAttribArray(index: location);
893}
894
895void GraphicsHelperGL3_3::disablePrimitiveRestart()
896{
897 m_funcs->glDisable(GL_PRIMITIVE_RESTART);
898}
899
900void GraphicsHelperGL3_3::clearBufferf(GLint drawbuffer, const QVector4D &values)
901{
902 GLfloat vec[4] = {values[0], values[1], values[2], values[3]};
903 m_funcs->glClearBufferfv(GL_COLOR, drawbuffer, value: vec);
904}
905
906void GraphicsHelperGL3_3::pointSize(bool programmable, GLfloat value)
907{
908 if (programmable) {
909 m_funcs->glEnable(GL_PROGRAM_POINT_SIZE);
910 } else {
911 m_funcs->glDisable(GL_PROGRAM_POINT_SIZE);
912 m_funcs->glPointSize(size: value);
913 }
914}
915
916void GraphicsHelperGL3_3::enablei(GLenum cap, GLuint index)
917{
918 m_funcs->glEnablei(target: cap, index);
919}
920
921void GraphicsHelperGL3_3::disablei(GLenum cap, GLuint index)
922{
923 m_funcs->glDisablei(target: cap, index);
924}
925
926void GraphicsHelperGL3_3::setSeamlessCubemap(bool enable)
927{
928 if (enable)
929 m_funcs->glEnable(GL_TEXTURE_CUBE_MAP_SEAMLESS);
930 else
931 m_funcs->glDisable(GL_TEXTURE_CUBE_MAP_SEAMLESS);
932}
933
934QSize GraphicsHelperGL3_3::getRenderBufferDimensions(GLuint renderBufferId)
935{
936 GLint width = 0;
937 GLint height = 0;
938
939 m_funcs->glBindRenderbuffer(GL_RENDERBUFFER, renderbuffer: renderBufferId);
940 m_funcs->glGetRenderbufferParameteriv(GL_RENDERBUFFER, GL_RENDERBUFFER_WIDTH, params: &width);
941 m_funcs->glGetRenderbufferParameteriv(GL_RENDERBUFFER, GL_RENDERBUFFER_HEIGHT, params: &height);
942 m_funcs->glBindRenderbuffer(GL_RENDERBUFFER, renderbuffer: 0);
943
944 return QSize(width, height);
945}
946
947QSize GraphicsHelperGL3_3::getTextureDimensions(GLuint textureId, GLenum target, uint level)
948{
949 GLint width = 0;
950 GLint height = 0;
951
952 m_funcs->glBindTexture(target, texture: textureId);
953 m_funcs->glGetTexLevelParameteriv(target, level, GL_TEXTURE_WIDTH, params: &width);
954 m_funcs->glGetTexLevelParameteriv(target, level, GL_TEXTURE_HEIGHT, params: &height);
955 m_funcs->glBindTexture(target, texture: 0);
956
957 return QSize(width, height);
958}
959
960void GraphicsHelperGL3_3::dispatchCompute(GLuint wx, GLuint wy, GLuint wz)
961{
962 Q_UNUSED(wx);
963 Q_UNUSED(wy);
964 Q_UNUSED(wz);
965 qWarning() << "Compute Shaders are not supported by OpenGL 3.3 (since OpenGL 4.3)";
966}
967
968char *GraphicsHelperGL3_3::mapBuffer(GLenum target, GLsizeiptr size)
969{
970 return static_cast<char*>(m_funcs->glMapBufferRange(target, offset: 0, length: size, GL_MAP_READ_BIT | GL_MAP_WRITE_BIT));
971}
972
973GLboolean GraphicsHelperGL3_3::unmapBuffer(GLenum target)
974{
975 return m_funcs->glUnmapBuffer(target);
976}
977
978void GraphicsHelperGL3_3::glUniform1fv(GLint location, GLsizei count, const GLfloat *values)
979{
980 m_funcs->glUniform1fv(location, count, value: values);
981}
982
983void GraphicsHelperGL3_3::glUniform2fv(GLint location, GLsizei count, const GLfloat *values)
984{
985 m_funcs->glUniform2fv(location, count, value: values);
986}
987
988void GraphicsHelperGL3_3::glUniform3fv(GLint location, GLsizei count, const GLfloat *values)
989{
990 m_funcs->glUniform3fv(location, count, value: values);
991}
992
993void GraphicsHelperGL3_3::glUniform4fv(GLint location, GLsizei count, const GLfloat *values)
994{
995 m_funcs->glUniform4fv(location, count, value: values);
996}
997
998void GraphicsHelperGL3_3::glUniform1iv(GLint location, GLsizei count, const GLint *values)
999{
1000 m_funcs->glUniform1iv(location, count, value: values);
1001}
1002
1003void GraphicsHelperGL3_3::glUniform2iv(GLint location, GLsizei count, const GLint *values)
1004{
1005 m_funcs->glUniform2iv(location, count, value: values);
1006}
1007
1008void GraphicsHelperGL3_3::glUniform3iv(GLint location, GLsizei count, const GLint *values)
1009{
1010 m_funcs->glUniform3iv(location, count, value: values);
1011}
1012
1013void GraphicsHelperGL3_3::glUniform4iv(GLint location, GLsizei count, const GLint *values)
1014{
1015 m_funcs->glUniform4iv(location, count, value: values);
1016}
1017
1018void GraphicsHelperGL3_3::glUniform1uiv(GLint location, GLsizei count, const GLuint *values)
1019{
1020 m_funcs->glUniform1uiv(location, count, value: values);
1021}
1022
1023void GraphicsHelperGL3_3::glUniform2uiv(GLint location, GLsizei count, const GLuint *values)
1024{
1025 m_funcs->glUniform2uiv(location, count, value: values);
1026}
1027
1028void GraphicsHelperGL3_3::glUniform3uiv(GLint location, GLsizei count, const GLuint *values)
1029{
1030 m_funcs->glUniform3uiv(location, count, value: values);
1031}
1032
1033void GraphicsHelperGL3_3::glUniform4uiv(GLint location, GLsizei count, const GLuint *values)
1034{
1035 m_funcs->glUniform4uiv(location, count, value: values);
1036}
1037
1038void GraphicsHelperGL3_3::glUniformMatrix2fv(GLint location, GLsizei count, const GLfloat *values)
1039{
1040 m_funcs->glUniformMatrix2fv(location, count, transpose: false, value: values);
1041}
1042
1043void GraphicsHelperGL3_3::glUniformMatrix3fv(GLint location, GLsizei count, const GLfloat *values)
1044{
1045 m_funcs->glUniformMatrix3fv(location, count, transpose: false, value: values);
1046}
1047
1048void GraphicsHelperGL3_3::glUniformMatrix4fv(GLint location, GLsizei count, const GLfloat *values)
1049{
1050 m_funcs->glUniformMatrix4fv(location, count, transpose: false, value: values);
1051}
1052
1053void GraphicsHelperGL3_3::glUniformMatrix2x3fv(GLint location, GLsizei count, const GLfloat *values)
1054{
1055 m_funcs->glUniformMatrix2x3fv(location, count, transpose: false, value: values);
1056}
1057
1058void GraphicsHelperGL3_3::glUniformMatrix3x2fv(GLint location, GLsizei count, const GLfloat *values)
1059{
1060 m_funcs->glUniformMatrix3x2fv(location, count, transpose: false, value: values);
1061}
1062
1063void GraphicsHelperGL3_3::glUniformMatrix2x4fv(GLint location, GLsizei count, const GLfloat *values)
1064{
1065 m_funcs->glUniformMatrix2x4fv(location, count, transpose: false, value: values);
1066}
1067
1068void GraphicsHelperGL3_3::glUniformMatrix4x2fv(GLint location, GLsizei count, const GLfloat *values)
1069{
1070 m_funcs->glUniformMatrix4x2fv(location, count, transpose: false, value: values);
1071}
1072
1073void GraphicsHelperGL3_3::glUniformMatrix3x4fv(GLint location, GLsizei count, const GLfloat *values)
1074{
1075 m_funcs->glUniformMatrix3x4fv(location, count, transpose: false, value: values);
1076}
1077
1078void GraphicsHelperGL3_3::glUniformMatrix4x3fv(GLint location, GLsizei count, const GLfloat *values)
1079{
1080 m_funcs->glUniformMatrix4x3fv(location, count, transpose: false, value: values);
1081}
1082
1083UniformType GraphicsHelperGL3_3::uniformTypeFromGLType(GLenum type)
1084{
1085 switch (type) {
1086 case GL_FLOAT:
1087 return UniformType::Float;
1088 case GL_FLOAT_VEC2:
1089 return UniformType::Vec2;
1090 case GL_FLOAT_VEC3:
1091 return UniformType::Vec3;
1092 case GL_FLOAT_VEC4:
1093 return UniformType::Vec4;
1094 case GL_FLOAT_MAT2:
1095 return UniformType::Mat2;
1096 case GL_FLOAT_MAT3:
1097 return UniformType::Mat3;
1098 case GL_FLOAT_MAT4:
1099 return UniformType::Mat4;
1100 case GL_FLOAT_MAT2x3:
1101 return UniformType::Mat2x3;
1102 case GL_FLOAT_MAT3x2:
1103 return UniformType::Mat3x2;
1104 case GL_FLOAT_MAT2x4:
1105 return UniformType::Mat2x4;
1106 case GL_FLOAT_MAT4x2:
1107 return UniformType::Mat4x2;
1108 case GL_FLOAT_MAT3x4:
1109 return UniformType::Mat3x4;
1110 case GL_FLOAT_MAT4x3:
1111 return UniformType::Mat4x3;
1112 case GL_INT:
1113 return UniformType::Int;
1114 case GL_INT_VEC2:
1115 return UniformType::IVec2;
1116 case GL_INT_VEC3:
1117 return UniformType::IVec3;
1118 case GL_INT_VEC4:
1119 return UniformType::IVec4;
1120 case GL_UNSIGNED_INT:
1121 return UniformType::UInt;
1122 case GL_UNSIGNED_INT_VEC2:
1123 return UniformType::UIVec2;
1124 case GL_UNSIGNED_INT_VEC3:
1125 return UniformType::UIVec3;
1126 case GL_UNSIGNED_INT_VEC4:
1127 return UniformType::UIVec4;
1128 case GL_BOOL:
1129 return UniformType::Bool;
1130 case GL_BOOL_VEC2:
1131 return UniformType::BVec2;
1132 case GL_BOOL_VEC3:
1133 return UniformType::BVec3;
1134 case GL_BOOL_VEC4:
1135 return UniformType::BVec4;
1136
1137 case GL_SAMPLER_BUFFER:
1138 case GL_SAMPLER_1D:
1139 case GL_SAMPLER_1D_SHADOW:
1140 case GL_SAMPLER_1D_ARRAY:
1141 case GL_SAMPLER_2D:
1142 case GL_SAMPLER_2D_RECT:
1143 case GL_SAMPLER_2D_SHADOW:
1144 case GL_SAMPLER_2D_RECT_SHADOW:
1145 case GL_SAMPLER_CUBE:
1146 case GL_SAMPLER_CUBE_SHADOW:
1147 case GL_SAMPLER_2D_ARRAY:
1148 case GL_SAMPLER_2D_ARRAY_SHADOW:
1149 case GL_SAMPLER_2D_MULTISAMPLE:
1150 case GL_SAMPLER_2D_MULTISAMPLE_ARRAY:
1151 case GL_SAMPLER_3D:
1152 case GL_INT_SAMPLER_BUFFER:
1153 case GL_INT_SAMPLER_1D:
1154 case GL_INT_SAMPLER_2D:
1155 case GL_INT_SAMPLER_3D:
1156 case GL_INT_SAMPLER_CUBE:
1157 case GL_INT_SAMPLER_1D_ARRAY:
1158 case GL_INT_SAMPLER_2D_ARRAY:
1159 case GL_INT_SAMPLER_2D_MULTISAMPLE:
1160 case GL_INT_SAMPLER_2D_MULTISAMPLE_ARRAY:
1161 case GL_UNSIGNED_INT_SAMPLER_BUFFER:
1162 case GL_UNSIGNED_INT_SAMPLER_1D:
1163 case GL_UNSIGNED_INT_SAMPLER_2D:
1164 case GL_UNSIGNED_INT_SAMPLER_3D:
1165 case GL_UNSIGNED_INT_SAMPLER_CUBE:
1166 case GL_UNSIGNED_INT_SAMPLER_1D_ARRAY:
1167 case GL_UNSIGNED_INT_SAMPLER_2D_ARRAY:
1168 case GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE:
1169 case GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE_ARRAY:
1170 return UniformType::Sampler;
1171 default:
1172 Q_UNREACHABLE_RETURN(UniformType::Float);
1173 }
1174}
1175
1176void GraphicsHelperGL3_3::blitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter)
1177{
1178 m_funcs->glBlitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
1179}
1180
1181} // namespace OpenGL
1182} // namespace Render
1183} // namespace Qt3DRender
1184
1185QT_END_NAMESPACE
1186
1187#endif // !QT_OPENGL_ES_2
1188

source code of qt3d/src/plugins/renderers/opengl/graphicshelpers/graphicshelpergl3_3.cpp