Revision control
++ // Copyright (C) 2014 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 "graphicshelpergl2_p.h"
++ #if !QT_CONFIG(opengles2)
++ #include <QOpenGLFunctions_2_0>
++ #include <QOpenGLExtraFunctions>
++ #include <private/attachmentpack_p.h>
++ #include <qgraphicsutils_p.h>
++ #include <logging_p.h>
++
++ QT_BEGIN_NAMESPACE
++
++ namespace Qt3DRender {
++ namespace Render {
++ namespace OpenGL {
++
++ GraphicsHelperGL2::GraphicsHelperGL2()
++ : m_funcs(nullptr)
++ {
++
++ }
++
++ void GraphicsHelperGL2::initializeHelper(QOpenGLContext *context,
++ QAbstractOpenGLFunctions *functions)
++ {
++ Q_UNUSED(context);
++ m_funcs = static_cast<QOpenGLFunctions_2_0*>(functions);
++ const bool ok = m_funcs->initializeOpenGLFunctions();
++ Q_ASSERT(ok);
++ Q_UNUSED(ok);
++ m_extraFunctions = context->extraFunctions();
++ Q_ASSERT(m_extraFunctions);
++ }
++
++ void GraphicsHelperGL2::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 ES 2";
++
++ if (baseVertex != 0)
++ qWarning() << "glDrawElementsInstancedBaseVertex is not supported with OpenGL ES 2";
++
++ for (GLint i = 0; i < instances; i++)
++ drawElements(primitiveType,
++ primitiveCount,
++ indexType,
++ indices);
++ }
++
++ void GraphicsHelperGL2::drawArraysInstanced(GLenum primitiveType,
++ GLint first,
++ GLsizei count,
++ GLsizei instances)
++ {
++ for (GLint i = 0; i < instances; i++)
++ drawArrays(primitiveType,
++ first,
++ count);
++ }
++
++ void GraphicsHelperGL2::drawArraysInstancedBaseInstance(GLenum primitiveType, GLint first, GLsizei count, GLsizei instances, GLsizei baseInstance)
++ {
++ if (baseInstance != 0)
++ qWarning() << "glDrawArraysInstancedBaseInstance is not supported with OpenGL 2";
++ for (GLint i = 0; i < instances; i++)
++ drawArrays(primitiveType,
++ first,
++ count);
++ }
++
++ void GraphicsHelperGL2::drawElements(GLenum primitiveType,
++ GLsizei primitiveCount,
++ GLint indexType,
++ void *indices,
++ GLint baseVertex)
++ {
++ if (baseVertex != 0)
++ qWarning() << "glDrawElementsBaseVertex is not supported with OpenGL 2";
++
++ m_funcs->glDrawElements(primitiveType,
++ primitiveCount,
++ indexType,
++ indices);
++ }
++
++ void GraphicsHelperGL2::drawArrays(GLenum primitiveType,
++ GLint first,
++ GLsizei count)
++ {
++ m_funcs->glDrawArrays(primitiveType,
++ first,
++ count);
++ }
++
++ void GraphicsHelperGL2::drawElementsIndirect(GLenum, GLenum, void *)
++ {
++ qWarning() << "Indirect Drawing is not supported with OpenGL 2";
++ }
++
++ void GraphicsHelperGL2::drawArraysIndirect(GLenum , void *)
++ {
++ qWarning() << "Indirect Drawing is not supported with OpenGL 2";
++ }
++
++ void GraphicsHelperGL2::setVerticesPerPatch(GLint verticesPerPatch)
++ {
++ Q_UNUSED(verticesPerPatch);
++ qWarning() << "Tessellation not supported with OpenGL 2";
++ }
++
++ void GraphicsHelperGL2::useProgram(GLuint programId)
++ {
++ m_funcs->glUseProgram(programId);
++ }
++
++ std::vector<ShaderUniform> GraphicsHelperGL2::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]"));
++ uniform.m_rawByteSize = uniformByteSize(uniform);
++ uniforms.push_back(uniform);
++ }
++ return uniforms;
++ }
++
++ std::vector<ShaderAttribute> GraphicsHelperGL2::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> GraphicsHelperGL2::programUniformBlocks(GLuint programId)
++ {
++ Q_UNUSED(programId);
++ qWarning() << "UBO are not supported by OpenGL 2.0 (since OpenGL 3.1)";
++ return {};
++ }
++
++ std::vector<ShaderStorageBlock> GraphicsHelperGL2::programShaderStorageBlocks(GLuint programId)
++ {
++ Q_UNUSED(programId);
++ qWarning() << "SSBO are not supported by OpenGL 2.0 (since OpenGL 4.3)";
++ return {};
++ }
++
++ void GraphicsHelperGL2::vertexAttribDivisor(GLuint index,
++ GLuint divisor)
++ {
++ Q_UNUSED(index);
++ Q_UNUSED(divisor);
++ }
++
++ void GraphicsHelperGL2::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;
++
++ default:
++ qCWarning(Rendering) << "vertexAttribPointer: Unhandled type";
++ Q_UNREACHABLE();
++ }
++ }
++
++ void GraphicsHelperGL2::readBuffer(GLenum mode)
++ {
++ m_funcs->glReadBuffer(mode);
++ }
++
++ void GraphicsHelperGL2::drawBuffer(GLenum mode)
++ {
++ m_funcs->glDrawBuffer(mode);
++ }
++
++ void *GraphicsHelperGL2::fenceSync()
++ {
++ qWarning() << "Fences are not supported by OpenGL 2.0 (since OpenGL 3.2)";
++ return nullptr;
++ }
++
++ void GraphicsHelperGL2::clientWaitSync(void *, GLuint64 )
++ {
++ qWarning() << "Fences are not supported by OpenGL 2.0 (since OpenGL 3.2)";
++ }
++
++ void GraphicsHelperGL2::waitSync(void *)
++ {
++ qWarning() << "Fences are not supported by OpenGL 2.0 (since OpenGL 3.2)";
++ }
++
++ bool GraphicsHelperGL2::wasSyncSignaled(void *)
++ {
++ qWarning() << "Fences are not supported by OpenGL 2.0 (since OpenGL 3.2)";
++ return false;
++ }
++
++ void GraphicsHelperGL2::deleteSync(void *)
++ {
++ qWarning() << "Fences are not supported by OpenGL 2.0 (since OpenGL 3.2)";
++ }
++
++ void GraphicsHelperGL2::rasterMode(GLenum faceMode, GLenum rasterMode)
++ {
++ m_funcs->glPolygonMode(faceMode, rasterMode);
++ }
++
++ void GraphicsHelperGL2::blendEquation(GLenum mode)
++ {
++ m_funcs->glBlendEquation(mode);
++ }
++
++ void GraphicsHelperGL2::blendFunci(GLuint buf, GLenum sfactor, GLenum dfactor)
++ {
++ Q_UNUSED(buf);
++ Q_UNUSED(sfactor);
++ Q_UNUSED(dfactor);
++
++ qWarning() << "glBlendFunci() not supported by OpenGL 2.0 (since OpenGL 4.0)";
++ }
++
++ void GraphicsHelperGL2::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 2.0 (since OpenGL 4.0)";
++ }
++
++ void GraphicsHelperGL2::alphaTest(GLenum mode1, GLenum mode2)
++ {
++ m_funcs->glEnable(GL_ALPHA_TEST);
++ m_funcs->glAlphaFunc(mode1, mode2);
++ }
++
++ void GraphicsHelperGL2::depthTest(GLenum mode)
++ {
++ m_funcs->glEnable(GL_DEPTH_TEST);
++ m_funcs->glDepthFunc(mode);
++ }
++
++ void GraphicsHelperGL2::depthMask(GLenum mode)
++ {
++ m_funcs->glDepthMask(mode);
++ }
++
++ void GraphicsHelperGL2::depthRange(GLdouble nearValue, GLdouble farValue)
++ {
++ m_funcs->glDepthRange(nearValue, farValue);
++ }
++
++ void GraphicsHelperGL2::frontFace(GLenum mode)
++ {
++ m_funcs->glFrontFace(mode);
++ }
++
++ void GraphicsHelperGL2::setMSAAEnabled(bool enabled)
++ {
++ enabled ? m_funcs->glEnable(GL_MULTISAMPLE)
++ : m_funcs->glDisable(GL_MULTISAMPLE);
++ }
++
++ void GraphicsHelperGL2::setAlphaCoverageEnabled(bool enabled)
++ {
++ enabled ? m_funcs->glEnable(GL_SAMPLE_ALPHA_TO_COVERAGE)
++ : m_funcs->glDisable(GL_SAMPLE_ALPHA_TO_COVERAGE);
++ }
++
++ GLuint GraphicsHelperGL2::createFrameBufferObject()
++ {
++ GLuint id;
++ m_extraFunctions->glGenFramebuffers(1, &id);
++ return id;
++ }
++
++ void GraphicsHelperGL2::releaseFrameBufferObject(GLuint frameBufferId)
++ {
++ m_extraFunctions->glDeleteFramebuffers(1, &frameBufferId);
++ }
++
++ bool GraphicsHelperGL2::checkFrameBufferComplete()
++ {
++ return m_extraFunctions->glCheckFramebufferStatus(GL_FRAMEBUFFER) == GL_FRAMEBUFFER_COMPLETE;
++ }
++
++ bool GraphicsHelperGL2::frameBufferNeedsRenderBuffer(const Attachment &attachment)
++ {
++ Q_UNUSED(attachment);
++ return false;
++ }
++
++ void GraphicsHelperGL2::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;
++ else
++ qCritical() << "DepthStencil Attachment not supported on OpenGL 2.0";
++
++ const QOpenGLTexture::Target target = texture->target();
++
++ if (target == QOpenGLTexture::TargetCubeMap && attachment.m_face == QAbstractTexture::AllFaces) {
++ qWarning() << "OpenGL 2.0 doesn't handle attaching all the faces of a cube map texture at once to an FBO";
++ return;
++ }
++
++ texture->bind();
++ if (target == QOpenGLTexture::TargetCubeMap)
++ m_extraFunctions->glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, attr, attachment.m_face, texture->textureId(), attachment.m_mipLevel);
++ else if (target == QOpenGLTexture::Target2D || target == QOpenGLTexture::TargetRectangle)
++ m_extraFunctions->glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, attr, target, texture->textureId(), attachment.m_mipLevel);
++ else
++ qCritical() << "Texture format not supported for Attachment on OpenGL 2.0";
++ texture->release();
++ }
++
++ void GraphicsHelperGL2::bindFrameBufferAttachment(RenderBuffer *renderBuffer, const Attachment &attachment)
++ {
++ Q_UNUSED(renderBuffer);
++ Q_UNUSED(attachment);
++ Q_UNREACHABLE();
++ }
++
++ bool GraphicsHelperGL2::supportsFeature(GraphicsHelperInterface::Feature feature) const
++ {
++ switch (feature) {
++ case MRT:
++ case TextureDimensionRetrieval:
++ case MapBuffer:
++ return true;
++ default:
++ return false;
++ }
++ }
++
++ void GraphicsHelperGL2::drawBuffers(GLsizei n, const GLenum *bufs)
++ {
++ m_extraFunctions->glDrawBuffers(n, bufs);
++ }
++
++ void GraphicsHelperGL2::bindFragDataLocation(GLuint, const QHash<QString, int> &)
++ {
++ qCritical() << "bindFragDataLocation is not supported by GL 2.0";
++ }
++
++ void GraphicsHelperGL2::bindFrameBufferObject(GLuint frameBufferId, FBOBindMode mode)
++ {
++ switch (mode) {
++ case FBODraw:
++ m_extraFunctions->glBindFramebuffer(GL_DRAW_FRAMEBUFFER, frameBufferId);
++ return;
++ case FBORead:
++ m_extraFunctions->glBindFramebuffer(GL_READ_FRAMEBUFFER, frameBufferId);
++ return;
++ case FBOReadAndDraw:
++ default:
++ m_extraFunctions->glBindFramebuffer(GL_FRAMEBUFFER, frameBufferId);
++ return;
++ }
++ }
++
++ void GraphicsHelperGL2::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 2.0 (since OpenGL 4.2)";
++
++ }
++
++ GLuint GraphicsHelperGL2::boundFrameBufferObject()
++ {
++ GLint id = 0;
++ m_extraFunctions->glGetIntegerv(GL_DRAW_FRAMEBUFFER_BINDING, &id);
++ return id;
++ }
++
++ void GraphicsHelperGL2::bindUniformBlock(GLuint programId, GLuint uniformBlockIndex, GLuint uniformBlockBinding)
++ {
++ Q_UNUSED(programId);
++ Q_UNUSED(uniformBlockIndex);
++ Q_UNUSED(uniformBlockBinding);
++ qWarning() << "UBO are not supported by OpenGL 2.0 (since OpenGL 3.1)";
++ }
++
++ void GraphicsHelperGL2::bindShaderStorageBlock(GLuint programId, GLuint shaderStorageBlockIndex, GLuint shaderStorageBlockBinding)
++ {
++ Q_UNUSED(programId);
++ Q_UNUSED(shaderStorageBlockIndex);
++ Q_UNUSED(shaderStorageBlockBinding);
++ qWarning() << "SSBO are not supported by OpenGL 2.0 (since OpenGL 4.3)";
++ }
++
++ void GraphicsHelperGL2::bindBufferBase(GLenum target, GLuint index, GLuint buffer)
++ {
++ Q_UNUSED(target);
++ Q_UNUSED(index);
++ Q_UNUSED(buffer);
++ qWarning() << "bindBufferBase is not supported by OpenGL 2.0 (since OpenGL 3.0)";
++ }
++
++ void GraphicsHelperGL2::buildUniformBuffer(const QVariant &v, const ShaderUniform &description, QByteArray &buffer)
++ {
++ Q_UNUSED(v);
++ Q_UNUSED(description);
++ Q_UNUSED(buffer);
++ qWarning() << "UBO are not supported by OpenGL 2.0 (since OpenGL 3.1)";
++ }
++
++ uint GraphicsHelperGL2::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:
++ rawByteSize = 8;
++ break;
++
++ case GL_FLOAT_VEC3:
++ case GL_INT_VEC3:
++ rawByteSize = 12;
++ break;
++
++ case GL_FLOAT_VEC4:
++ case GL_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_SAMPLER_1D:
++ case GL_SAMPLER_1D_SHADOW:
++ case GL_SAMPLER_2D:
++ case GL_SAMPLER_2D_SHADOW:
++ case GL_SAMPLER_3D:
++ case GL_SAMPLER_CUBE:
++ rawByteSize = 4;
++ break;
++
++ default:
++ Q_UNREACHABLE();
++ }
++
++ return arrayStride ? rawByteSize * arrayStride : rawByteSize;
++ }
++
++ void GraphicsHelperGL2::enableClipPlane(int clipPlane)
++ {
++ m_funcs->glEnable(GL_CLIP_DISTANCE0 + clipPlane);
++ }
++
++ void GraphicsHelperGL2::disableClipPlane(int clipPlane)
++ {
++ m_funcs->glDisable(GL_CLIP_DISTANCE0 + clipPlane);
++ }
++
++ void GraphicsHelperGL2::setClipPlane(int clipPlane, const QVector3D &normal, float distance)
++ {
++ double plane[4];
++ plane[0] = normal.x();
++ plane[1] = normal.y();
++ plane[2] = normal.z();
++ plane[3] = distance;
++
++ m_funcs->glClipPlane(GL_CLIP_PLANE0 + clipPlane, plane);
++ }
++
++ GLint GraphicsHelperGL2::maxClipPlaneCount()
++ {
++ GLint max = 0;
++ m_funcs->glGetIntegerv(GL_MAX_CLIP_DISTANCES, &max);
++ return max;
++ }
++
++ void GraphicsHelperGL2::memoryBarrier(QMemoryBarrier::Operations barriers)
++ {
++ Q_UNUSED(barriers);
++ qWarning() << "memory barrier is not supported by OpenGL 2.0 (since 4.3)";
++ }
++
++ void GraphicsHelperGL2::enablePrimitiveRestart(int)
++ {
++ }
++
++ void GraphicsHelperGL2::enableVertexAttributeArray(int location)
++ {
++ m_funcs->glEnableVertexAttribArray(location);
++ }
++
++ void GraphicsHelperGL2::disablePrimitiveRestart()
++ {
++ }
++
++ void GraphicsHelperGL2::clearBufferf(GLint drawbuffer, const QVector4D &values)
++ {
++ Q_UNUSED(drawbuffer);
++ Q_UNUSED(values);
++ qWarning() << "glClearBuffer*() not supported by OpenGL 2.0";
++ }
++
++ void GraphicsHelperGL2::pointSize(bool programmable, GLfloat value)
++ {
++ m_funcs->glEnable(GL_POINT_SPRITE);
++ if (programmable)
++ m_funcs->glEnable(GL_VERTEX_PROGRAM_POINT_SIZE);
++ else
++ m_funcs->glPointSize(value);
++ }
++
++ void GraphicsHelperGL2::enablei(GLenum cap, GLuint index)
++ {
++ Q_UNUSED(cap);
++ Q_UNUSED(index);
++ qWarning() << "glEnablei() not supported by OpenGL 2.0 (since 3.0)";
++ }
++
++ void GraphicsHelperGL2::disablei(GLenum cap, GLuint index)
++ {
++ Q_UNUSED(cap);
++ Q_UNUSED(index);
++ qWarning() << "glDisablei() not supported by OpenGL 2.0 (since 3.0)";
++ }
++
++ void GraphicsHelperGL2::setSeamlessCubemap(bool enable)
++ {
++ Q_UNUSED(enable);
++ qWarning() << "GL_TEXTURE_CUBE_MAP_SEAMLESS not supported by OpenGL 2.0 (since 3.2)";
++ }
++
++ QSize GraphicsHelperGL2::getRenderBufferDimensions(GLuint renderBufferId)
++ {
++ Q_UNUSED(renderBufferId);
++ qCritical() << "RenderBuffer dimensions retrival not supported on OpenGL 2.0";
++ return QSize(0,0);
++ }
++
++ QSize GraphicsHelperGL2::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 GraphicsHelperGL2::dispatchCompute(GLuint wx, GLuint wy, GLuint wz)
++ {
++ Q_UNUSED(wx);
++ Q_UNUSED(wy);
++ Q_UNUSED(wz);
++ qWarning() << "Compute Shaders are not supported by OpenGL 2.0 (since OpenGL 4.3)";
++ }
++
++ char *GraphicsHelperGL2::mapBuffer(GLenum target, GLsizeiptr size)
++ {
++ Q_UNUSED(size);
++ return static_cast<char*>(m_funcs->glMapBuffer(target, GL_READ_WRITE));
++ }
++
++ GLboolean GraphicsHelperGL2::unmapBuffer(GLenum target)
++ {
++ return m_funcs->glUnmapBuffer(target);
++ }
++
++ void GraphicsHelperGL2::glUniform1fv(GLint location, GLsizei count, const GLfloat *values)
++ {
++ m_funcs->glUniform1fv(location, count, values);
++ }
++
++ void GraphicsHelperGL2::glUniform2fv(GLint location, GLsizei count, const GLfloat *values)
++ {
++ m_funcs->glUniform2fv(location, count, values);
++ }
++
++ void GraphicsHelperGL2::glUniform3fv(GLint location, GLsizei count, const GLfloat *values)
++ {
++ m_funcs->glUniform3fv(location, count, values);
++ }
++
++ void GraphicsHelperGL2::glUniform4fv(GLint location, GLsizei count, const GLfloat *values)
++ {
++ m_funcs->glUniform4fv(location, count, values);
++ }
++
++ void GraphicsHelperGL2::glUniform1iv(GLint location, GLsizei count, const GLint *values)
++ {
++ m_funcs->glUniform1iv(location, count, values);
++ }
++
++ void GraphicsHelperGL2::glUniform2iv(GLint location, GLsizei count, const GLint *values)
++ {
++ m_funcs->glUniform2iv(location, count, values);
++ }
++
++ void GraphicsHelperGL2::glUniform3iv(GLint location, GLsizei count, const GLint *values)
++ {
++ m_funcs->glUniform3iv(location, count, values);
++ }
++
++ void GraphicsHelperGL2::glUniform4iv(GLint location, GLsizei count, const GLint *values)
++ {
++ m_funcs->glUniform4iv(location, count, values);
++ }
++
++ void GraphicsHelperGL2::glUniform1uiv(GLint , GLsizei , const GLuint *)
++ {
++ qWarning() << "glUniform1uiv not supported by GL 2";
++ }
++
++ void GraphicsHelperGL2::glUniform2uiv(GLint , GLsizei , const GLuint *)
++ {
++ qWarning() << "glUniform2uiv not supported by GL 2";
++ }
++
++ void GraphicsHelperGL2::glUniform3uiv(GLint , GLsizei , const GLuint *)
++ {
++ qWarning() << "glUniform3uiv not supported by GL 2";
++ }
++
++ void GraphicsHelperGL2::glUniform4uiv(GLint , GLsizei , const GLuint *)
++ {
++ qWarning() << "glUniform4uiv not supported by GL 2";
++ }
++
++ void GraphicsHelperGL2::glUniformMatrix2fv(GLint location, GLsizei count, const GLfloat *values)
++ {
++ m_funcs->glUniformMatrix2fv(location, count, false, values);
++ }
++
++ void GraphicsHelperGL2::glUniformMatrix3fv(GLint location, GLsizei count, const GLfloat *values)
++ {
++ m_funcs->glUniformMatrix3fv(location, count, false, values);
++ }
++
++ void GraphicsHelperGL2::glUniformMatrix4fv(GLint location, GLsizei count, const GLfloat *values)
++ {
++ m_funcs->glUniformMatrix4fv(location, count, false, values);
++ }
++
++ void GraphicsHelperGL2::glUniformMatrix2x3fv(GLint , GLsizei , const GLfloat *)
++ {
++ qWarning() << "glUniformMatrix2x3fv not supported by GL 2";
++ }
++
++ void GraphicsHelperGL2::glUniformMatrix3x2fv(GLint , GLsizei , const GLfloat *)
++ {
++ qWarning() << "glUniformMatrix3x2fv not supported by GL 2";
++ }
++
++ void GraphicsHelperGL2::glUniformMatrix2x4fv(GLint , GLsizei , const GLfloat *)
++ {
++ qWarning() << "glUniformMatrix2x4fv not supported by GL 2";
++ }
++
++ void GraphicsHelperGL2::glUniformMatrix4x2fv(GLint , GLsizei , const GLfloat *)
++ {
++ qWarning() << "glUniformMatrix4x2fv not supported by GL 2";
++ }
++
++ void GraphicsHelperGL2::glUniformMatrix3x4fv(GLint , GLsizei , const GLfloat *)
++ {
++ qWarning() << "glUniformMatrix3x4fv not supported by GL 2";
++ }
++
++ void GraphicsHelperGL2::glUniformMatrix4x3fv(GLint , GLsizei , const GLfloat *)
++ {
++ qWarning() << "glUniformMatrix4x3fv not supported by GL 2";
++ }
++
++ UniformType GraphicsHelperGL2::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_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_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_1D:
++ case GL_SAMPLER_1D_SHADOW:
++ case GL_SAMPLER_2D:
++ case GL_SAMPLER_2D_SHADOW:
++ case GL_SAMPLER_CUBE:
++ case GL_SAMPLER_3D:
++ return UniformType::Sampler;
++
++ default:
++ Q_UNREACHABLE_RETURN(UniformType::Float);
++ }
++ }
++
++ void GraphicsHelperGL2::blitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter)
++ {
++ Q_UNUSED(srcX0);
++ Q_UNUSED(srcX1);
++ Q_UNUSED(srcY0);
++ Q_UNUSED(srcY1);
++ Q_UNUSED(dstX0);
++ Q_UNUSED(dstX1);
++ Q_UNUSED(dstY0);
++ Q_UNUSED(dstY1);
++ Q_UNUSED(mask);
++ Q_UNUSED(filter);
++ qWarning() << "Framebuffer blits are not supported by ES 2.0 (since ES 3.1)";
++ }
++
++ } // namespace OpenGL
++ } // namespace Render
++ } // namespace Qt3DRender
++
++ QT_END_NAMESPACE
++
++ #endif // !QT_OPENGL_ES_2