graphicshelpergl3_3.cpp

++ // Copyright (C) 2015 Klaralvdalens Datakonsult AB (KDAB).

++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

++

++ #include "graphicshelpergl3_3_p.h"

++

++ #if !QT_CONFIG(opengles2)

++ #include <QOpenGLFunctions_3_3_Core>

++ #include <private/attachmentpack_p.h>

++ #include <logging_p.h>

++ #include <qgraphicsutils_p.h>

++

++ # ifndef QT_OPENGL_3_2

++ #  define GL_PATCH_VERTICES 36466

++ #  define GL_ACTIVE_RESOURCES 0x92F5

++ #  define GL_ACTIVE_UNIFORM_BLOCKS 0x8A36

++ #  define GL_BUFFER_BINDING 0x9302

++ #  define GL_BUFFER_DATA_SIZE 0x9303

++ #  define GL_NUM_ACTIVE_VARIABLES 0x9304

++ #  define GL_SHADER_STORAGE_BLOCK 0x92E6

++ #  define GL_UNIFORM 0x92E1

++ #  define GL_UNIFORM_BLOCK 0x92E2

++ #  define GL_UNIFORM_BLOCK_INDEX 0x8A3A

++ #  define GL_UNIFORM_OFFSET 0x8A3B

++ #  define GL_UNIFORM_ARRAY_STRIDE 0x8A3C

++ #  define GL_UNIFORM_MATRIX_STRIDE 0x8A3D

++ #  define GL_UNIFORM_BLOCK_ACTIVE_UNIFORMS 0x8A42

++ #  define GL_UNIFORM_BLOCK_BINDING 0x8A3F

++ #  define GL_UNIFORM_BLOCK_DATA_SIZE 0x8A40

++ # endif

++

++ QT_BEGIN_NAMESPACE

++

++ namespace Qt3DRender {

++ namespace Render {

++ namespace OpenGL {

++

++ GraphicsHelperGL3_3::GraphicsHelperGL3_3()

++     : m_funcs(nullptr)

++ {

++ }

++

++ GraphicsHelperGL3_3::~GraphicsHelperGL3_3()

++ {

++ }

++

++ void GraphicsHelperGL3_3::initializeHelper(QOpenGLContext *context,

++                                             QAbstractOpenGLFunctions *functions)

++ {

++     Q_UNUSED(context);

++     m_funcs = static_cast<QOpenGLFunctions_3_3_Core*>(functions);

++     const bool ok = m_funcs->initializeOpenGLFunctions();

++     Q_ASSERT(ok);

++     Q_UNUSED(ok);

++ }

++

++ void GraphicsHelperGL3_3::drawElementsInstancedBaseVertexBaseInstance(GLenum primitiveType,

++                                                                       GLsizei primitiveCount,

++                                                                       GLint indexType,

++                                                                       void *indices,

++                                                                       GLsizei instances,

++                                                                       GLint baseVertex,

++                                                                       GLint baseInstance)

++ {

++     if (baseInstance != 0)

++         qWarning() << "glDrawElementsInstancedBaseVertexBaseInstance is not supported with OpenGL 3.3";

++

++     // glDrawElements OpenGL 3.1 or greater

++     m_funcs->glDrawElementsInstancedBaseVertex(primitiveType,

++                                                primitiveCount,

++                                                indexType,

++                                                indices,

++                                                instances,

++                                                baseVertex);

++ }

++

++ void GraphicsHelperGL3_3::drawArraysInstanced(GLenum primitiveType,

++                                                GLint first,

++                                                GLsizei count,

++                                                GLsizei instances)

++ {

++     // glDrawArraysInstanced OpenGL 3.1 or greater

++     m_funcs->glDrawArraysInstanced(primitiveType,

++                                    first,

++                                    count,

++                                    instances);

++ }

++

++ void GraphicsHelperGL3_3::drawArraysInstancedBaseInstance(GLenum primitiveType, GLint first, GLsizei count, GLsizei instances, GLsizei baseInstance)

++ {

++     if (baseInstance != 0)

++         qWarning() << "glDrawArraysInstancedBaseInstance is not supported with OpenGL 3";

++     m_funcs->glDrawArraysInstanced(primitiveType,

++                                    first,

++                                    count,

++                                    instances);

++ }

++

++ void GraphicsHelperGL3_3::drawElements(GLenum primitiveType,

++                                         GLsizei primitiveCount,

++                                         GLint indexType,

++                                         void *indices,

++                                         GLint baseVertex)

++ {

++     m_funcs->glDrawElementsBaseVertex(primitiveType,

++                                       primitiveCount,

++                                       indexType,

++                                       indices,

++                                       baseVertex);

++ }

++

++ void GraphicsHelperGL3_3::drawElementsIndirect(GLenum, GLenum, void *)

++ {

++     qWarning() << "Indirect Drawing is not supported with OpenGL 3";

++ }

++

++ void GraphicsHelperGL3_3::drawArrays(GLenum primitiveType,

++                                       GLint first,

++                                       GLsizei count)

++ {

++     m_funcs->glDrawArrays(primitiveType,

++                           first,

++                           count);

++ }

++

++ void GraphicsHelperGL3_3::drawArraysIndirect(GLenum , void *)

++ {

++     qWarning() << "Indirect Drawing is not supported with OpenGL 3";

++ }

++

++ void GraphicsHelperGL3_3::setVerticesPerPatch(GLint verticesPerPatch)

++ {

++     Q_UNUSED(verticesPerPatch);

++     qWarning() << "Tessellation not supported";

++ }

++

++ void GraphicsHelperGL3_3::useProgram(GLuint programId)

++ {

++     m_funcs->glUseProgram(programId);

++ }

++

++ std::vector<ShaderUniform> GraphicsHelperGL3_3::programUniformsAndLocations(GLuint programId)

++ {

++     std::vector<ShaderUniform> uniforms;

++

++     GLint nbrActiveUniforms = 0;

++     m_funcs->glGetProgramiv(programId, GL_ACTIVE_UNIFORMS, &nbrActiveUniforms);

++     uniforms.reserve(nbrActiveUniforms);

++     char uniformName[256];

++     for (GLint i = 0; i < nbrActiveUniforms; i++) {

++         ShaderUniform uniform;

++         GLsizei uniformNameLength = 0;

++         // Size is 1 for scalar and more for struct or arrays

++         // Type is the GL Type

++         m_funcs->glGetActiveUniform(programId, i, sizeof(uniformName) - 1, &uniformNameLength,

++                                     &uniform.m_size, &uniform.m_type, uniformName);

++         uniformName[sizeof(uniformName) - 1] = '\0';

++         uniform.m_location = m_funcs->glGetUniformLocation(programId, uniformName);

++         uniform.m_name = QString::fromUtf8(uniformName, uniformNameLength);

++         // Work around for uniform array names that aren't returned with [0] by some drivers

++         if (uniform.m_size > 1 && !uniform.m_name.endsWith(QLatin1String("[0]")))

++             uniform.m_name.append(QLatin1String("[0]"));

++         m_funcs->glGetActiveUniformsiv(programId, 1, (GLuint*)&i, GL_UNIFORM_BLOCK_INDEX, &uniform.m_blockIndex);

++         m_funcs->glGetActiveUniformsiv(programId, 1, (GLuint*)&i, GL_UNIFORM_OFFSET, &uniform.m_offset);

++         m_funcs->glGetActiveUniformsiv(programId, 1, (GLuint*)&i, GL_UNIFORM_ARRAY_STRIDE, &uniform.m_arrayStride);

++         m_funcs->glGetActiveUniformsiv(programId, 1, (GLuint*)&i, GL_UNIFORM_MATRIX_STRIDE, &uniform.m_matrixStride);

++         uniform.m_rawByteSize = uniformByteSize(uniform);

++         uniforms.push_back(uniform);

++         qCDebug(Rendering) << uniform.m_name << "size" << uniform.m_size

++                            << " offset" << uniform.m_offset

++                            << " rawSize" << uniform.m_rawByteSize;

++     }

++

++     return uniforms;

++ }

++

++ std::vector<ShaderAttribute> GraphicsHelperGL3_3::programAttributesAndLocations(GLuint programId)

++ {

++     std::vector<ShaderAttribute> attributes;

++     GLint nbrActiveAttributes = 0;

++     m_funcs->glGetProgramiv(programId, GL_ACTIVE_ATTRIBUTES, &nbrActiveAttributes);

++     attributes.reserve(nbrActiveAttributes);

++     char attributeName[256];

++     for (GLint i = 0; i < nbrActiveAttributes; i++) {

++         ShaderAttribute attribute;

++         GLsizei attributeNameLength = 0;

++         // Size is 1 for scalar and more for struct or arrays

++         // Type is the GL Type

++         m_funcs->glGetActiveAttrib(programId, i, sizeof(attributeName) - 1, &attributeNameLength,

++                                    &attribute.m_size, &attribute.m_type, attributeName);

++         attributeName[sizeof(attributeName) - 1] = '\0';

++         attribute.m_location = m_funcs->glGetAttribLocation(programId, attributeName);

++         attribute.m_name = QString::fromUtf8(attributeName, attributeNameLength);

++         attributes.push_back(attribute);

++     }

++     return attributes;

++ }

++

++ std::vector<ShaderUniformBlock> GraphicsHelperGL3_3::programUniformBlocks(GLuint programId)

++ {

++     std::vector<ShaderUniformBlock> blocks;

++     GLint nbrActiveUniformsBlocks = 0;

++     m_funcs->glGetProgramiv(programId, GL_ACTIVE_UNIFORM_BLOCKS, &nbrActiveUniformsBlocks);

++     blocks.reserve(nbrActiveUniformsBlocks);

++     for (GLint i = 0; i < nbrActiveUniformsBlocks; i++) {

++         QByteArray uniformBlockName(256, '\0');

++         GLsizei length = 0;

++         ShaderUniformBlock uniformBlock;

++         m_funcs->glGetActiveUniformBlockName(programId, i, 256, &length, uniformBlockName.data());

++         uniformBlock.m_name = QString::fromUtf8(uniformBlockName.left(length));

++         uniformBlock.m_index = i;

++         m_funcs->glGetActiveUniformBlockiv(programId, i, GL_UNIFORM_BLOCK_ACTIVE_UNIFORMS, &uniformBlock.m_activeUniformsCount);

++         m_funcs->glGetActiveUniformBlockiv(programId, i, GL_UNIFORM_BLOCK_BINDING, &uniformBlock.m_binding);

++         m_funcs->glGetActiveUniformBlockiv(programId, i, GL_UNIFORM_BLOCK_DATA_SIZE, &uniformBlock.m_size);

++         blocks.push_back(uniformBlock);

++     }

++     return blocks;

++ }

++

++ std::vector<ShaderStorageBlock> GraphicsHelperGL3_3::programShaderStorageBlocks(GLuint programId)

++ {

++     Q_UNUSED(programId);

++     qWarning() << "SSBO are not supported by OpenGL 3.3 (since OpenGL 4.3)";

++     return {};

++ }

++

++ void GraphicsHelperGL3_3::vertexAttribDivisor(GLuint index, GLuint divisor)

++ {

++     m_funcs->glVertexAttribDivisor(index, divisor);

++ }

++

++ void GraphicsHelperGL3_3::vertexAttributePointer(GLenum shaderDataType,

++                                                  GLuint index,

++                                                  GLint size,

++                                                  GLenum type,

++                                                  GLboolean normalized,

++                                                  GLsizei stride,

++                                                  const GLvoid *pointer)

++ {

++     switch (shaderDataType) {

++     case GL_FLOAT:

++     case GL_FLOAT_VEC2:

++     case GL_FLOAT_VEC3:

++     case GL_FLOAT_VEC4:

++     case GL_FLOAT_MAT2:

++     case GL_FLOAT_MAT2x3:

++     case GL_FLOAT_MAT2x4:

++     case GL_FLOAT_MAT3:

++     case GL_FLOAT_MAT3x2:

++     case GL_FLOAT_MAT3x4:

++     case GL_FLOAT_MAT4x2:

++     case GL_FLOAT_MAT4x3:

++     case GL_FLOAT_MAT4:

++         m_funcs->glVertexAttribPointer(index, size, type, normalized, stride, pointer);

++         break;

++

++     case GL_INT:

++     case GL_INT_VEC2:

++     case GL_INT_VEC3:

++     case GL_INT_VEC4:

++     case GL_UNSIGNED_INT:

++     case GL_UNSIGNED_INT_VEC2:

++     case GL_UNSIGNED_INT_VEC3:

++     case GL_UNSIGNED_INT_VEC4:

++         m_funcs->glVertexAttribIPointer(index, size, type, stride, pointer);

++         break;

++

++     default:

++         qCWarning(Rendering) << "vertexAttribPointer: Unhandled type";

++     }

++ }

++

++ void GraphicsHelperGL3_3::readBuffer(GLenum mode)

++ {

++     m_funcs->glReadBuffer(mode);

++ }

++

++ void GraphicsHelperGL3_3::drawBuffer(GLenum mode)

++ {

++     m_funcs->glDrawBuffer(mode);

++ }

++

++ void *GraphicsHelperGL3_3::fenceSync()

++ {

++     return m_funcs->glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);

++ }

++

++ void GraphicsHelperGL3_3::clientWaitSync(void *sync, GLuint64 nanoSecTimeout)

++ {

++     m_funcs->glClientWaitSync(static_cast<GLsync>(sync), GL_SYNC_FLUSH_COMMANDS_BIT, nanoSecTimeout);

++ }

++

++ void GraphicsHelperGL3_3::waitSync(void *sync)

++ {

++     m_funcs->glWaitSync(static_cast<GLsync>(sync), 0, GL_TIMEOUT_IGNORED);

++ }

++

++ bool GraphicsHelperGL3_3::wasSyncSignaled(void *sync)

++ {

++     GLint v;

++     m_funcs->glGetSynciv(static_cast<GLsync>(sync),

++                          GL_SYNC_STATUS,

++                          sizeof(v),

++                          nullptr,

++                          &v);

++     return v == GL_SIGNALED;

++ }

++

++ void GraphicsHelperGL3_3::deleteSync(void *sync)

++ {

++     m_funcs->glDeleteSync(static_cast<GLsync>(sync));

++ }

++

++ void GraphicsHelperGL3_3::rasterMode(GLenum faceMode, GLenum rasterMode)

++ {

++     m_funcs->glPolygonMode(faceMode, rasterMode);

++ }

++

++ void GraphicsHelperGL3_3::blendEquation(GLenum mode)

++ {

++     m_funcs->glBlendEquation(mode);

++ }

++

++ void GraphicsHelperGL3_3::blendFunci(GLuint buf, GLenum sfactor, GLenum dfactor)

++ {

++     Q_UNUSED(buf);

++     Q_UNUSED(sfactor);

++     Q_UNUSED(dfactor);

++

++     qWarning() << "glBlendFunci() not supported by OpenGL 3.3 (since OpenGL 4.0)";

++ }

++

++ void GraphicsHelperGL3_3::blendFuncSeparatei(GLuint buf, GLenum sRGB, GLenum dRGB, GLenum sAlpha, GLenum dAlpha)

++ {

++     Q_UNUSED(buf);

++     Q_UNUSED(sRGB);

++     Q_UNUSED(dRGB);

++     Q_UNUSED(sAlpha);

++     Q_UNUSED(dAlpha);

++

++     qWarning() << "glBlendFuncSeparatei() not supported by OpenGL 3.3 (since OpenGL 4.0)";

++ }

++

++ void GraphicsHelperGL3_3::alphaTest(GLenum, GLenum)

++ {

++     qCWarning(Rendering) << "AlphaTest not available with OpenGL 3.2 core";

++ }

++

++ void GraphicsHelperGL3_3::depthTest(GLenum mode)

++ {

++     m_funcs->glEnable(GL_DEPTH_TEST);

++     m_funcs->glDepthFunc(mode);

++ }

++

++ void GraphicsHelperGL3_3::depthMask(GLenum mode)

++ {

++     m_funcs->glDepthMask(mode);

++ }

++

++ void GraphicsHelperGL3_3::depthRange(GLdouble nearValue, GLdouble farValue)

++ {

++     m_funcs->glDepthRange(nearValue, farValue);

++ }

++

++ void GraphicsHelperGL3_3::frontFace(GLenum mode)

++ {

++     m_funcs->glFrontFace(mode);

++

++ }

++

++ void GraphicsHelperGL3_3::setMSAAEnabled(bool enabled)

++ {

++     enabled ? m_funcs->glEnable(GL_MULTISAMPLE)

++             : m_funcs->glDisable(GL_MULTISAMPLE);

++ }

++

++ void GraphicsHelperGL3_3::setAlphaCoverageEnabled(bool enabled)

++ {

++     enabled ? m_funcs->glEnable(GL_SAMPLE_ALPHA_TO_COVERAGE)

++             : m_funcs->glDisable(GL_SAMPLE_ALPHA_TO_COVERAGE);

++ }

++

++ GLuint GraphicsHelperGL3_3::createFrameBufferObject()

++ {

++     GLuint id;

++     m_funcs->glGenFramebuffers(1, &id);

++     return id;

++ }

++

++ void GraphicsHelperGL3_3::releaseFrameBufferObject(GLuint frameBufferId)

++ {

++     m_funcs->glDeleteFramebuffers(1, &frameBufferId);

++ }

++

++ void GraphicsHelperGL3_3::bindFrameBufferObject(GLuint frameBufferId, FBOBindMode mode)

++ {

++     switch (mode) {

++     case FBODraw:

++         m_funcs->glBindFramebuffer(GL_DRAW_FRAMEBUFFER, frameBufferId);

++         return;

++     case FBORead:

++         m_funcs->glBindFramebuffer(GL_READ_FRAMEBUFFER, frameBufferId);

++         return;

++     case FBOReadAndDraw:

++     default:

++         m_funcs->glBindFramebuffer(GL_FRAMEBUFFER, frameBufferId);

++         return;

++     }

++ }

++

++ GLuint GraphicsHelperGL3_3::boundFrameBufferObject()

++ {

++     GLint id = 0;

++     m_funcs->glGetIntegerv(GL_DRAW_FRAMEBUFFER_BINDING, &id);

++     return id;

++ }

++

++ bool GraphicsHelperGL3_3::checkFrameBufferComplete()

++ {

++     return (m_funcs->glCheckFramebufferStatus(GL_FRAMEBUFFER) == GL_FRAMEBUFFER_COMPLETE);

++ }

++

++ bool GraphicsHelperGL3_3::frameBufferNeedsRenderBuffer(const Attachment &attachment)

++ {

++     Q_UNUSED(attachment);

++     return false;

++ }

++

++ void GraphicsHelperGL3_3::bindFrameBufferAttachment(QOpenGLTexture *texture, const Attachment &attachment)

++ {

++     GLenum attr = GL_DEPTH_STENCIL_ATTACHMENT;

++

++     if (attachment.m_point <= QRenderTargetOutput::Color15)

++         attr = GL_COLOR_ATTACHMENT0 + attachment.m_point;

++     else if (attachment.m_point == QRenderTargetOutput::Depth)

++         attr = GL_DEPTH_ATTACHMENT;

++     else if (attachment.m_point == QRenderTargetOutput::Stencil)

++         attr = GL_STENCIL_ATTACHMENT;

++

++     texture->bind();

++     QOpenGLTexture::Target target = texture->target();

++     if (target == QOpenGLTexture::Target1DArray || target == QOpenGLTexture::Target2DArray ||

++             target == QOpenGLTexture::Target2DMultisampleArray || target == QOpenGLTexture::Target3D)

++         m_funcs->glFramebufferTextureLayer(GL_DRAW_FRAMEBUFFER, attr, texture->textureId(), attachment.m_mipLevel, attachment.m_layer);

++     else if (target == QOpenGLTexture::TargetCubeMapArray && attachment.m_face != QAbstractTexture::AllFaces)

++         m_funcs->glFramebufferTextureLayer( GL_DRAW_FRAMEBUFFER, attr, texture->textureId(), attachment.m_mipLevel, attachment.m_layer * 6 + (attachment.m_face - QAbstractTexture::CubeMapPositiveX));

++     else if (target == QOpenGLTexture::TargetCubeMap && attachment.m_face != QAbstractTexture::AllFaces)

++         m_funcs->glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, attr, attachment.m_face, texture->textureId(), attachment.m_mipLevel);

++     else

++         m_funcs->glFramebufferTexture(GL_DRAW_FRAMEBUFFER, attr, texture->textureId(), attachment.m_mipLevel);

++     texture->release();

++ }

++

++ void GraphicsHelperGL3_3::bindFrameBufferAttachment(RenderBuffer *renderBuffer, const Attachment &attachment)

++ {

++     Q_UNUSED(renderBuffer);

++     Q_UNUSED(attachment);

++     Q_UNREACHABLE();

++ }

++

++ bool GraphicsHelperGL3_3::supportsFeature(GraphicsHelperInterface::Feature feature) const

++ {

++     switch (feature) {

++     case MRT:

++     case UniformBufferObject:

++     case PrimitiveRestart:

++     case RenderBufferDimensionRetrieval:

++     case TextureDimensionRetrieval:

++     case BindableFragmentOutputs:

++     case BlitFramebuffer:

++     case Fences:

++         return true;

++     default:

++         return false;

++     }

++ }

++

++ void GraphicsHelperGL3_3::drawBuffers(GLsizei n, const GLenum *bufs)

++ {

++     m_funcs->glDrawBuffers(n, bufs);

++ }

++

++ void GraphicsHelperGL3_3::bindFragDataLocation(GLuint shader, const QHash<QString, int> &outputs)

++ {

++     for (auto it = outputs.begin(), end = outputs.end(); it != end; ++it)

++         m_funcs->glBindFragDataLocation(shader, it.value(), it.key().toStdString().c_str());

++ }

++

++ void GraphicsHelperGL3_3::bindUniformBlock(GLuint programId, GLuint uniformBlockIndex, GLuint uniformBlockBinding)

++ {

++     m_funcs->glUniformBlockBinding(programId, uniformBlockIndex, uniformBlockBinding);

++ }

++

++ void GraphicsHelperGL3_3::bindShaderStorageBlock(GLuint programId, GLuint shaderStorageBlockIndex, GLuint shaderStorageBlockBinding)

++ {

++     Q_UNUSED(programId);

++     Q_UNUSED(shaderStorageBlockIndex);

++     Q_UNUSED(shaderStorageBlockBinding);

++     qWarning() << "SSBO are not supported by OpenGL 3.3 (since OpenGL 4.3)";

++ }

++

++ void GraphicsHelperGL3_3::bindImageTexture(GLuint imageUnit, GLuint texture,

++                                            GLint mipLevel, GLboolean layered,

++                                            GLint layer, GLenum access, GLenum format)

++ {

++     Q_UNUSED(imageUnit);

++     Q_UNUSED(texture);

++     Q_UNUSED(mipLevel);

++     Q_UNUSED(layered);

++     Q_UNUSED(layer);

++     Q_UNUSED(access);

++     Q_UNUSED(format);

++     qWarning() << "Shader Images are not supported by OpenGL 3.3 (since OpenGL 4.2)";

++ }

++

++ void GraphicsHelperGL3_3::bindBufferBase(GLenum target, GLuint index, GLuint buffer)

++ {

++     m_funcs->glBindBufferBase(target, index, buffer);

++ }

++

++ void GraphicsHelperGL3_3::buildUniformBuffer(const QVariant &v, const ShaderUniform &description, QByteArray &buffer)

++ {

++     char *bufferData = buffer.data();

++

++     switch (description.m_type) {

++

++     case GL_FLOAT: {

++         const GLfloat *data = QGraphicsUtils::valueArrayFromVariant<GLfloat>(v, description.m_size, 1);

++         QGraphicsUtils::fillDataArray(bufferData, data, description, 1);

++         break;

++     }

++

++     case GL_FLOAT_VEC2: {

++         const GLfloat *data = QGraphicsUtils::valueArrayFromVariant<GLfloat>(v, description.m_size, 2);

++         QGraphicsUtils::fillDataArray(bufferData, data, description, 2);

++         break;

++     }

++

++     case GL_FLOAT_VEC3: {

++         const GLfloat *data = QGraphicsUtils::valueArrayFromVariant<GLfloat>(v, description.m_size, 3);

++         QGraphicsUtils::fillDataArray(bufferData, data, description, 3);

++         break;

++     }

++

++     case GL_FLOAT_VEC4: {

++         const GLfloat *data = QGraphicsUtils::valueArrayFromVariant<GLfloat>(v, description.m_size, 4);

++         QGraphicsUtils::fillDataArray(bufferData, data, description, 4);

++         break;

++     }

++

++     case GL_FLOAT_MAT2: {

++         const GLfloat *data = QGraphicsUtils::valueArrayFromVariant<GLfloat>(v, description.m_size, 4);

++         QGraphicsUtils::fillDataMatrixArray(bufferData, data, description, 2, 2);

++         break;

++     }

++

++     case GL_FLOAT_MAT2x3: {

++         const GLfloat *data = QGraphicsUtils::valueArrayFromVariant<GLfloat>(v, description.m_size, 6);

++         QGraphicsUtils::fillDataMatrixArray(bufferData, data, description, 2, 3);

++         break;

++     }

++

++     case GL_FLOAT_MAT2x4: {

++         const GLfloat *data = QGraphicsUtils::valueArrayFromVariant<GLfloat>(v, description.m_size, 8);

++         QGraphicsUtils::fillDataMatrixArray(bufferData, data, description, 2, 4);

++         break;

++     }

++

++     case GL_FLOAT_MAT3: {

++         const GLfloat *data = QGraphicsUtils::valueArrayFromVariant<GLfloat>(v, description.m_size, 9);

++         QGraphicsUtils::fillDataMatrixArray(bufferData, data, description, 3, 3);

++         break;

++     }

++

++     case GL_FLOAT_MAT3x2: {

++         const GLfloat *data = QGraphicsUtils::valueArrayFromVariant<GLfloat>(v, description.m_size, 6);

++         QGraphicsUtils::fillDataMatrixArray(bufferData, data, description, 3, 2);

++         break;

++     }

++

++     case GL_FLOAT_MAT3x4: {

++         const GLfloat *data = QGraphicsUtils::valueArrayFromVariant<GLfloat>(v, description.m_size, 12);

++         QGraphicsUtils::fillDataMatrixArray(bufferData, data, description, 3, 4);

++         break;

++     }

++

++     case GL_FLOAT_MAT4: {

++         const GLfloat *data = QGraphicsUtils::valueArrayFromVariant<GLfloat>(v, description.m_size, 16);

++         QGraphicsUtils::fillDataMatrixArray(bufferData, data, description, 4, 4);

++         break;

++     }

++

++     case GL_FLOAT_MAT4x2: {

++         const GLfloat *data = QGraphicsUtils::valueArrayFromVariant<GLfloat>(v, description.m_size, 8);

++         QGraphicsUtils::fillDataMatrixArray(bufferData, data, description, 4, 2);

++         break;

++     }

++

++     case GL_FLOAT_MAT4x3: {

++         const GLfloat *data = QGraphicsUtils::valueArrayFromVariant<GLfloat>(v, description.m_size, 12);

++         QGraphicsUtils::fillDataMatrixArray(bufferData, data, description, 4, 3);

++         break;

++     }

++

++     case GL_INT: {

++         const GLint *data = QGraphicsUtils::valueArrayFromVariant<GLint>(v, description.m_size, 1);

++         QGraphicsUtils::fillDataArray(bufferData, data, description, 1);

++         break;

++     }

++

++     case GL_INT_VEC2: {

++         const GLint *data = QGraphicsUtils::valueArrayFromVariant<GLint>(v, description.m_size, 2);

++         QGraphicsUtils::fillDataArray(bufferData, data, description, 2);

++         break;

++     }

++

++     case GL_INT_VEC3: {

++         const GLint *data = QGraphicsUtils::valueArrayFromVariant<GLint>(v, description.m_size, 3);

++         QGraphicsUtils::fillDataArray(bufferData, data, description, 3);

++         break;

++     }

++

++     case GL_INT_VEC4: {

++         const GLint *data = QGraphicsUtils::valueArrayFromVariant<GLint>(v, description.m_size, 4);

++         QGraphicsUtils::fillDataArray(bufferData, data, description, 4);

++         break;

++     }

++

++     case GL_UNSIGNED_INT: {

++         const GLuint *data = QGraphicsUtils::valueArrayFromVariant<GLuint>(v, description.m_size, 1);

++         QGraphicsUtils::fillDataArray(bufferData, data, description, 1);

++         break;

++     }

++

++     case GL_UNSIGNED_INT_VEC2: {

++         const GLuint *data = QGraphicsUtils::valueArrayFromVariant<GLuint>(v, description.m_size, 2);

++         QGraphicsUtils::fillDataArray(bufferData, data, description, 2);

++         break;

++     }

++

++     case GL_UNSIGNED_INT_VEC3: {

++         const GLuint *data = QGraphicsUtils::valueArrayFromVariant<GLuint>(v, description.m_size, 3);

++         QGraphicsUtils::fillDataArray(bufferData, data, description, 3);

++         break;

++     }

++

++     case GL_UNSIGNED_INT_VEC4: {

++         const GLuint *data = QGraphicsUtils::valueArrayFromVariant<GLuint>(v, description.m_size, 4);

++         QGraphicsUtils::fillDataArray(bufferData, data, description, 4);

++         break;

++     }

++

++     case GL_BOOL: {

++         const GLboolean *data = QGraphicsUtils::valueArrayFromVariant<GLboolean>(v, description.m_size, 1);

++         QGraphicsUtils::fillDataArray(bufferData, data, description, 1);

++         break;

++     }

++

++     case GL_BOOL_VEC2: {

++         const GLboolean *data = QGraphicsUtils::valueArrayFromVariant<GLboolean>(v, description.m_size, 2);

++         QGraphicsUtils::fillDataArray(bufferData, data, description, 2);

++         break;

++     }

++

++     case GL_BOOL_VEC3: {

++         const GLboolean *data = QGraphicsUtils::valueArrayFromVariant<GLboolean>(v, description.m_size, 3);

++         QGraphicsUtils::fillDataArray(bufferData, data, description, 3);

++         break;

++     }

++

++     case GL_BOOL_VEC4: {

++         const GLboolean *data = QGraphicsUtils::valueArrayFromVariant<GLboolean>(v, description.m_size, 4);

++         QGraphicsUtils::fillDataArray(bufferData, data, description, 4);

++         break;

++     }

++

++     case GL_SAMPLER_1D:

++     case GL_SAMPLER_2D:

++     case GL_SAMPLER_3D:

++     case GL_SAMPLER_CUBE:

++     case GL_SAMPLER_BUFFER:

++     case GL_SAMPLER_2D_RECT:

++     case GL_INT_SAMPLER_1D:

++     case GL_INT_SAMPLER_2D:

++     case GL_INT_SAMPLER_3D:

++     case GL_INT_SAMPLER_CUBE:

++     case GL_INT_SAMPLER_BUFFER:

++     case GL_INT_SAMPLER_2D_RECT:

++     case GL_UNSIGNED_INT_SAMPLER_1D:

++     case GL_UNSIGNED_INT_SAMPLER_2D:

++     case GL_UNSIGNED_INT_SAMPLER_3D:

++     case GL_UNSIGNED_INT_SAMPLER_CUBE:

++     case GL_UNSIGNED_INT_SAMPLER_BUFFER:

++     case GL_UNSIGNED_INT_SAMPLER_2D_RECT:

++     case GL_SAMPLER_1D_SHADOW:

++     case GL_SAMPLER_2D_SHADOW:

++     case GL_SAMPLER_CUBE_SHADOW:

++     case GL_SAMPLER_1D_ARRAY:

++     case GL_SAMPLER_2D_ARRAY:

++     case GL_INT_SAMPLER_1D_ARRAY:

++     case GL_INT_SAMPLER_2D_ARRAY:

++     case GL_UNSIGNED_INT_SAMPLER_1D_ARRAY:

++     case GL_UNSIGNED_INT_SAMPLER_2D_ARRAY:

++     case GL_SAMPLER_1D_ARRAY_SHADOW:

++     case GL_SAMPLER_2D_ARRAY_SHADOW:

++     case GL_SAMPLER_2D_RECT_SHADOW:

++     case GL_SAMPLER_2D_MULTISAMPLE:

++     case GL_INT_SAMPLER_2D_MULTISAMPLE:

++     case GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE:

++     case GL_SAMPLER_2D_MULTISAMPLE_ARRAY:

++     case GL_INT_SAMPLER_2D_MULTISAMPLE_ARRAY:

++     case GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE_ARRAY: {

++         Q_ASSERT(description.m_size == 1);

++         int value = v.toInt();

++         QGraphicsUtils::fillDataArray<GLint>(bufferData, &value, description, 1);

++         break;

++     }

++

++     default:

++         qWarning() << Q_FUNC_INFO << "unsupported uniform type:" << description.m_type << "for " << description.m_name;

++         break;

++     }

++ }

++

++ uint GraphicsHelperGL3_3::uniformByteSize(const ShaderUniform &description)

++ {

++     uint rawByteSize = 0;

++     int arrayStride = qMax(description.m_arrayStride, 0);

++     int matrixStride = qMax(description.m_matrixStride, 0);

++

++     switch (description.m_type) {

++

++     case GL_FLOAT_VEC2:

++     case GL_INT_VEC2:

++     case GL_UNSIGNED_INT_VEC2:

++         rawByteSize = 8;

++         break;

++

++     case GL_FLOAT_VEC3:

++     case GL_INT_VEC3:

++     case GL_UNSIGNED_INT_VEC3:

++         rawByteSize = 12;

++         break;

++

++     case GL_FLOAT_VEC4:

++     case GL_INT_VEC4:

++     case GL_UNSIGNED_INT_VEC4:

++         rawByteSize = 16;

++         break;

++

++     case GL_FLOAT_MAT2:

++         rawByteSize = matrixStride ? 2 * matrixStride : 16;

++         break;

++

++     case GL_FLOAT_MAT2x4:

++         rawByteSize = matrixStride ? 2 * matrixStride : 32;

++         break;

++

++     case GL_FLOAT_MAT4x2:

++         rawByteSize = matrixStride ? 4 * matrixStride : 32;

++         break;

++

++     case GL_FLOAT_MAT3:

++         rawByteSize = matrixStride ? 3 * matrixStride : 36;

++         break;

++

++     case GL_FLOAT_MAT2x3:

++         rawByteSize = matrixStride ? 2 * matrixStride : 24;

++         break;

++

++     case GL_FLOAT_MAT3x2:

++         rawByteSize = matrixStride ? 3 * matrixStride : 24;

++         break;

++

++     case GL_FLOAT_MAT4:

++         rawByteSize = matrixStride ? 4 * matrixStride : 64;

++         break;

++

++     case GL_FLOAT_MAT4x3:

++         rawByteSize = matrixStride ? 4 * matrixStride : 48;

++         break;

++

++     case GL_FLOAT_MAT3x4:

++         rawByteSize = matrixStride ? 3 * matrixStride : 48;

++         break;

++

++     case GL_BOOL:

++         rawByteSize = 1;

++         break;

++

++     case GL_BOOL_VEC2:

++         rawByteSize = 2;

++         break;

++

++     case GL_BOOL_VEC3:

++         rawByteSize = 3;

++         break;

++

++     case GL_BOOL_VEC4:

++         rawByteSize = 4;

++         break;

++

++     case GL_INT:

++     case GL_FLOAT:

++     case GL_UNSIGNED_INT:

++     case GL_SAMPLER_1D:

++     case GL_SAMPLER_2D:

++     case GL_SAMPLER_3D:

++     case GL_SAMPLER_CUBE:

++     case GL_SAMPLER_BUFFER:

++     case GL_SAMPLER_2D_RECT:

++     case GL_INT_SAMPLER_1D:

++     case GL_INT_SAMPLER_2D:

++     case GL_INT_SAMPLER_3D:

++     case GL_INT_SAMPLER_CUBE:

++     case GL_INT_SAMPLER_BUFFER:

++     case GL_INT_SAMPLER_2D_RECT:

++     case GL_UNSIGNED_INT_SAMPLER_1D:

++     case GL_UNSIGNED_INT_SAMPLER_2D:

++     case GL_UNSIGNED_INT_SAMPLER_3D:

++     case GL_UNSIGNED_INT_SAMPLER_CUBE:

++     case GL_UNSIGNED_INT_SAMPLER_BUFFER:

++     case GL_UNSIGNED_INT_SAMPLER_2D_RECT:

++     case GL_SAMPLER_1D_SHADOW:

++     case GL_SAMPLER_2D_SHADOW:

++     case GL_SAMPLER_CUBE_SHADOW:

++     case GL_SAMPLER_1D_ARRAY:

++     case GL_SAMPLER_2D_ARRAY:

++     case GL_INT_SAMPLER_1D_ARRAY:

++     case GL_INT_SAMPLER_2D_ARRAY:

++     case GL_UNSIGNED_INT_SAMPLER_1D_ARRAY:

++     case GL_UNSIGNED_INT_SAMPLER_2D_ARRAY:

++     case GL_SAMPLER_1D_ARRAY_SHADOW:

++     case GL_SAMPLER_2D_ARRAY_SHADOW:

++     case GL_SAMPLER_2D_RECT_SHADOW:

++     case GL_SAMPLER_2D_MULTISAMPLE:

++     case GL_INT_SAMPLER_2D_MULTISAMPLE:

++     case GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE:

++     case GL_SAMPLER_2D_MULTISAMPLE_ARRAY:

++     case GL_INT_SAMPLER_2D_MULTISAMPLE_ARRAY:

++     case GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE_ARRAY:

++         rawByteSize = 4;

++         break;

++     }

++

++     return arrayStride ? rawByteSize * arrayStride : rawByteSize;

++ }

++

++ void GraphicsHelperGL3_3::enableClipPlane(int clipPlane)

++ {

++     m_funcs->glEnable(GL_CLIP_DISTANCE0 + clipPlane);

++ }

++

++ void GraphicsHelperGL3_3::disableClipPlane(int clipPlane)

++ {

++     m_funcs->glDisable(GL_CLIP_DISTANCE0 + clipPlane);

++ }

++

++ void GraphicsHelperGL3_3::setClipPlane(int clipPlane, const QVector3D &normal, float distance)

++ {

++     // deprecated

++     Q_UNUSED(clipPlane);

++     Q_UNUSED(normal);

++     Q_UNUSED(distance);

++ }

++

++ GLint GraphicsHelperGL3_3::maxClipPlaneCount()

++ {

++     GLint max = 0;

++     m_funcs->glGetIntegerv(GL_MAX_CLIP_DISTANCES, &max);

++     return max;

++ }

++

++ void GraphicsHelperGL3_3::memoryBarrier(QMemoryBarrier::Operations barriers)

++ {

++     Q_UNUSED(barriers);

++     qWarning() << "memory barrier is not supported by OpenGL 3.3 (since 4.3)";

++ }

++

++ void GraphicsHelperGL3_3::enablePrimitiveRestart(int primitiveRestartIndex)

++ {

++     m_funcs->glPrimitiveRestartIndex(primitiveRestartIndex);

++     m_funcs->glEnable(GL_PRIMITIVE_RESTART);

++ }

++

++ void GraphicsHelperGL3_3::enableVertexAttributeArray(int location)

++ {

++     m_funcs->glEnableVertexAttribArray(location);

++ }

++

++ void GraphicsHelperGL3_3::disablePrimitiveRestart()

++ {

++     m_funcs->glDisable(GL_PRIMITIVE_RESTART);

++ }

++

++ void GraphicsHelperGL3_3::clearBufferf(GLint drawbuffer, const QVector4D &values)

++ {

++     GLfloat vec[4] = {values[0], values[1], values[2], values[3]};

++     m_funcs->glClearBufferfv(GL_COLOR, drawbuffer, vec);

++ }

++

++ void GraphicsHelperGL3_3::pointSize(bool programmable, GLfloat value)

++ {

++     if (programmable) {

++         m_funcs->glEnable(GL_PROGRAM_POINT_SIZE);

++     } else {

++         m_funcs->glDisable(GL_PROGRAM_POINT_SIZE);

++         m_funcs->glPointSize(value);

++     }

++ }

++

++ void GraphicsHelperGL3_3::enablei(GLenum cap, GLuint index)

++ {

++     m_funcs->glEnablei(cap, index);

++ }

++

++ void GraphicsHelperGL3_3::disablei(GLenum cap, GLuint index)

++ {

++     m_funcs->glDisablei(cap, index);

++ }

++

++ void GraphicsHelperGL3_3::setSeamlessCubemap(bool enable)

++ {

++     if (enable)

++         m_funcs->glEnable(GL_TEXTURE_CUBE_MAP_SEAMLESS);

++     else

++         m_funcs->glDisable(GL_TEXTURE_CUBE_MAP_SEAMLESS);

++ }

++

++ QSize GraphicsHelperGL3_3::getRenderBufferDimensions(GLuint renderBufferId)

++ {

++     GLint width = 0;

++     GLint height = 0;

++

++     m_funcs->glBindRenderbuffer(GL_RENDERBUFFER, renderBufferId);

++     m_funcs->glGetRenderbufferParameteriv(GL_RENDERBUFFER, GL_RENDERBUFFER_WIDTH, &width);

++     m_funcs->glGetRenderbufferParameteriv(GL_RENDERBUFFER, GL_RENDERBUFFER_HEIGHT, &height);

++     m_funcs->glBindRenderbuffer(GL_RENDERBUFFER, 0);

++

++     return QSize(width, height);

++ }

++

++ QSize GraphicsHelperGL3_3::getTextureDimensions(GLuint textureId, GLenum target, uint level)

++ {

++     GLint width = 0;

++     GLint height = 0;

++

++     m_funcs->glBindTexture(target, textureId);

++     m_funcs->glGetTexLevelParameteriv(target, level, GL_TEXTURE_WIDTH, &width);

++     m_funcs->glGetTexLevelParameteriv(target, level, GL_TEXTURE_HEIGHT, &height);

++     m_funcs->glBindTexture(target, 0);

++

++     return QSize(width, height);

++ }

++

++ void GraphicsHelperGL3_3::dispatchCompute(GLuint wx, GLuint wy, GLuint wz)

++ {

++     Q_UNUSED(wx);

++     Q_UNUSED(wy);

++     Q_UNUSED(wz);

++     qWarning() << "Compute Shaders are not supported by OpenGL 3.3 (since OpenGL 4.3)";

++ }

++

++ char *GraphicsHelperGL3_3::mapBuffer(GLenum target, GLsizeiptr size)

++ {

++     return static_cast<char*>(m_funcs->glMapBufferRange(target, 0, size, GL_MAP_READ_BIT | GL_MAP_WRITE_BIT));

++ }

++

++ GLboolean GraphicsHelperGL3_3::unmapBuffer(GLenum target)

++ {

++     return m_funcs->glUnmapBuffer(target);

++ }

++

++ void GraphicsHelperGL3_3::glUniform1fv(GLint location, GLsizei count, const GLfloat *values)

++ {

++     m_funcs->glUniform1fv(location, count, values);

++ }

++

++ void GraphicsHelperGL3_3::glUniform2fv(GLint location, GLsizei count, const GLfloat *values)

++ {

++     m_funcs->glUniform2fv(location, count, values);

++ }

++

++ void GraphicsHelperGL3_3::glUniform3fv(GLint location, GLsizei count, const GLfloat *values)

++ {

++     m_funcs->glUniform3fv(location, count, values);

++ }

++

++ void GraphicsHelperGL3_3::glUniform4fv(GLint location, GLsizei count, const GLfloat *values)

++ {

++     m_funcs->glUniform4fv(location, count, values);

++ }

++

++ void GraphicsHelperGL3_3::glUniform1iv(GLint location, GLsizei count, const GLint *values)

++ {

++     m_funcs->glUniform1iv(location, count, values);

++ }

++

++ void GraphicsHelperGL3_3::glUniform2iv(GLint location, GLsizei count, const GLint *values)

++ {

++     m_funcs->glUniform2iv(location, count, values);

++ }

++

++ void GraphicsHelperGL3_3::glUniform3iv(GLint location, GLsizei count, const GLint *values)

++ {

++     m_funcs->glUniform3iv(location, count, values);

++ }

++

++ void GraphicsHelperGL3_3::glUniform4iv(GLint location, GLsizei count, const GLint *values)

++ {

++     m_funcs->glUniform4iv(location, count, values);

++ }

++

++ void GraphicsHelperGL3_3::glUniform1uiv(GLint location, GLsizei count, const GLuint *values)

++ {

++     m_funcs->glUniform1uiv(location, count, values);

++ }

++

++ void GraphicsHelperGL3_3::glUniform2uiv(GLint location, GLsizei count, const GLuint *values)

++ {

++     m_funcs->glUniform2uiv(location, count, values);

++ }

++

++ void GraphicsHelperGL3_3::glUniform3uiv(GLint location, GLsizei count, const GLuint *values)

++ {

++     m_funcs->glUniform3uiv(location, count, values);

++ }

++

++ void GraphicsHelperGL3_3::glUniform4uiv(GLint location, GLsizei count, const GLuint *values)

++ {

++     m_funcs->glUniform4uiv(location, count, values);

++ }

++

++ void GraphicsHelperGL3_3::glUniformMatrix2fv(GLint location, GLsizei count, const GLfloat *values)

++ {

++     m_funcs->glUniformMatrix2fv(location, count, false, values);

++ }

++

++ void GraphicsHelperGL3_3::glUniformMatrix3fv(GLint location, GLsizei count, const GLfloat *values)

++ {

++     m_funcs->glUniformMatrix3fv(location, count, false, values);

++ }

++

++ void GraphicsHelperGL3_3::glUniformMatrix4fv(GLint location, GLsizei count, const GLfloat *values)

++ {

++     m_funcs->glUniformMatrix4fv(location, count, false, values);

++ }

++

++ void GraphicsHelperGL3_3::glUniformMatrix2x3fv(GLint location, GLsizei count, const GLfloat *values)

++ {

++     m_funcs->glUniformMatrix2x3fv(location, count, false, values);

++ }

++

++ void GraphicsHelperGL3_3::glUniformMatrix3x2fv(GLint location, GLsizei count, const GLfloat *values)

++ {

++     m_funcs->glUniformMatrix3x2fv(location, count, false, values);

++ }

++

++ void GraphicsHelperGL3_3::glUniformMatrix2x4fv(GLint location, GLsizei count, const GLfloat *values)

++ {

++     m_funcs->glUniformMatrix2x4fv(location, count, false, values);

++ }

++

++ void GraphicsHelperGL3_3::glUniformMatrix4x2fv(GLint location, GLsizei count, const GLfloat *values)

++ {

++     m_funcs->glUniformMatrix4x2fv(location, count, false, values);

++ }

++

++ void GraphicsHelperGL3_3::glUniformMatrix3x4fv(GLint location, GLsizei count, const GLfloat *values)

++ {

++     m_funcs->glUniformMatrix3x4fv(location, count, false, values);

++ }

++

++ void GraphicsHelperGL3_3::glUniformMatrix4x3fv(GLint location, GLsizei count, const GLfloat *values)

++ {

++     m_funcs->glUniformMatrix4x3fv(location, count, false, values);

++ }

++

++ UniformType GraphicsHelperGL3_3::uniformTypeFromGLType(GLenum type)

++ {

++     switch (type) {

++     case GL_FLOAT:

++         return UniformType::Float;

++     case GL_FLOAT_VEC2:

++         return UniformType::Vec2;

++     case GL_FLOAT_VEC3:

++         return UniformType::Vec3;

++     case GL_FLOAT_VEC4:

++         return UniformType::Vec4;

++     case GL_FLOAT_MAT2:

++         return UniformType::Mat2;

++     case GL_FLOAT_MAT3:

++         return UniformType::Mat3;

++     case GL_FLOAT_MAT4:

++         return UniformType::Mat4;

++     case GL_FLOAT_MAT2x3:

++         return UniformType::Mat2x3;

++     case GL_FLOAT_MAT3x2:

++         return UniformType::Mat3x2;

++     case GL_FLOAT_MAT2x4:

++         return UniformType::Mat2x4;

++     case GL_FLOAT_MAT4x2:

++         return UniformType::Mat4x2;

++     case GL_FLOAT_MAT3x4:

++         return UniformType::Mat3x4;

++     case GL_FLOAT_MAT4x3:

++         return UniformType::Mat4x3;

++     case GL_INT:

++         return UniformType::Int;

++     case GL_INT_VEC2:

++         return UniformType::IVec2;

++     case GL_INT_VEC3:

++         return UniformType::IVec3;

++     case GL_INT_VEC4:

++         return UniformType::IVec4;

++     case GL_UNSIGNED_INT:

++         return UniformType::UInt;

++     case GL_UNSIGNED_INT_VEC2:

++         return UniformType::UIVec2;

++     case GL_UNSIGNED_INT_VEC3:

++         return UniformType::UIVec3;

++     case GL_UNSIGNED_INT_VEC4:

++         return UniformType::UIVec4;

++     case GL_BOOL:

++         return UniformType::Bool;

++     case GL_BOOL_VEC2:

++         return UniformType::BVec2;

++     case GL_BOOL_VEC3:

++         return UniformType::BVec3;

++     case GL_BOOL_VEC4:

++         return UniformType::BVec4;

++

++     case GL_SAMPLER_BUFFER:

++     case GL_SAMPLER_1D:

++     case GL_SAMPLER_1D_SHADOW:

++     case GL_SAMPLER_1D_ARRAY:

++     case GL_SAMPLER_2D:

++     case GL_SAMPLER_2D_RECT:

++     case GL_SAMPLER_2D_SHADOW:

++     case GL_SAMPLER_2D_RECT_SHADOW:

++     case GL_SAMPLER_CUBE:

++     case GL_SAMPLER_CUBE_SHADOW:

++     case GL_SAMPLER_2D_ARRAY:

++     case GL_SAMPLER_2D_ARRAY_SHADOW:

++     case GL_SAMPLER_2D_MULTISAMPLE:

++     case GL_SAMPLER_2D_MULTISAMPLE_ARRAY:

++     case GL_SAMPLER_3D:

++     case GL_INT_SAMPLER_BUFFER:

++     case GL_INT_SAMPLER_1D:

++     case GL_INT_SAMPLER_2D:

++     case GL_INT_SAMPLER_3D:

++     case GL_INT_SAMPLER_CUBE:

++     case GL_INT_SAMPLER_1D_ARRAY:

++     case GL_INT_SAMPLER_2D_ARRAY:

++     case GL_INT_SAMPLER_2D_MULTISAMPLE:

++     case GL_INT_SAMPLER_2D_MULTISAMPLE_ARRAY:

++     case GL_UNSIGNED_INT_SAMPLER_BUFFER:

++     case GL_UNSIGNED_INT_SAMPLER_1D:

++     case GL_UNSIGNED_INT_SAMPLER_2D:

++     case GL_UNSIGNED_INT_SAMPLER_3D:

++     case GL_UNSIGNED_INT_SAMPLER_CUBE:

++     case GL_UNSIGNED_INT_SAMPLER_1D_ARRAY:

++     case GL_UNSIGNED_INT_SAMPLER_2D_ARRAY:

++     case GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE:

++     case GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE_ARRAY:

++         return UniformType::Sampler;

++     default:

++         Q_UNREACHABLE_RETURN(UniformType::Float);

++     }

++ }

++

++ void GraphicsHelperGL3_3::blitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter)

++ {

++     m_funcs->glBlitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);

++ }

++

++ } // namespace OpenGL

++ } // namespace Render

++ } // namespace Qt3DRender

++

++ QT_END_NAMESPACE

++

++ #endif // !QT_OPENGL_ES_2

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