diff options
Diffstat (limited to 'src/plugins/renderers/opengl/graphicshelpers/graphicshelpergl4.cpp')
| -rw-r--r-- | src/plugins/renderers/opengl/graphicshelpers/graphicshelpergl4.cpp | 1444 |
1 files changed, 1444 insertions, 0 deletions
diff --git a/src/plugins/renderers/opengl/graphicshelpers/graphicshelpergl4.cpp b/src/plugins/renderers/opengl/graphicshelpers/graphicshelpergl4.cpp new file mode 100644 index 000000000..96e055870 --- /dev/null +++ b/src/plugins/renderers/opengl/graphicshelpers/graphicshelpergl4.cpp @@ -0,0 +1,1444 @@ +/**************************************************************************** +** +** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB). +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the Qt3D module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "graphicshelpergl4_p.h" + +#ifndef QT_OPENGL_ES_2 +#include <QOpenGLFunctions_4_3_Core> +#include <QtOpenGLExtensions/qopenglextensions.h> +#include <private/attachmentpack_p.h> +#include <qgraphicsutils_p.h> +#include <logging_p.h> + +# ifndef QT_OPENGL_4_3 +# ifndef GL_PATCH_VERTICES +# define GL_PATCH_VERTICES 36466 +# endif +# define GL_ACTIVE_RESOURCES 0x92F5 +# 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 +# define GL_ALL_BARRIER_BITS 0xFFFFFFFF +# define GL_VERTEX_ATTRIB_ARRAY_BARRIER_BIT 0x00000001 +# define GL_ELEMENT_ARRAY_BARRIER_BIT 0x00000002 +# define GL_UNIFORM_BARRIER_BIT 0x00000004 +# define GL_TEXTURE_FETCH_BARRIER_BIT 0x00000008 +# define GL_SHADER_IMAGE_ACCESS_BARRIER_BIT 0x00000020 +# define GL_COMMAND_BARRIER_BIT 0x00000040 +# define GL_PIXEL_BUFFER_BARRIER_BIT 0x00000080 +# define GL_TEXTURE_UPDATE_BARRIER_BIT 0x00000100 +# define GL_BUFFER_UPDATE_BARRIER_BIT 0x00000200 +# define GL_FRAMEBUFFER_BARRIER_BIT 0x00000400 +# define GL_TRANSFORM_FEEDBACK_BARRIER_BIT 0x00000800 +# define GL_ATOMIC_COUNTER_BARRIER_BIT 0x00001000 +# define GL_SHADER_STORAGE_BARRIER_BIT 0x00002000 +# define GL_QUERY_BUFFER_BARRIER_BIT 0x00008000 +# define GL_IMAGE_1D 0x904C +# define GL_IMAGE_2D 0x904D +# define GL_IMAGE_3D 0x904E +# define GL_IMAGE_2D_RECT 0x904F +# define GL_IMAGE_CUBE 0x9050 +# define GL_IMAGE_BUFFER 0x9051 +# define GL_IMAGE_1D_ARRAY 0x9052 +# define GL_IMAGE_2D_ARRAY 0x9053 +# define GL_IMAGE_CUBE_MAP_ARRAY 0x9054 +# define GL_IMAGE_2D_MULTISAMPLE 0x9055 +# define GL_IMAGE_2D_MULTISAMPLE_ARRAY 0x9056 +# define GL_INT_IMAGE_1D 0x9057 +# define GL_INT_IMAGE_2D 0x9058 +# define GL_INT_IMAGE_3D 0x9059 +# define GL_INT_IMAGE_2D_RECT 0x905A +# define GL_INT_IMAGE_CUBE 0x905B +# define GL_INT_IMAGE_BUFFER 0x905C +# define GL_INT_IMAGE_1D_ARRAY 0x905D +# define GL_INT_IMAGE_2D_ARRAY 0x905E +# define GL_INT_IMAGE_CUBE_MAP_ARRAY 0x905F +# define GL_INT_IMAGE_2D_MULTISAMPLE 0x9060 +# define GL_INT_IMAGE_2D_MULTISAMPLE_ARRAY 0x9061 +# define GL_UNSIGNED_INT_IMAGE_1D 0x9062 +# define GL_UNSIGNED_INT_IMAGE_2D 0x9063 +# define GL_UNSIGNED_INT_IMAGE_3D 0x9064 +# define GL_UNSIGNED_INT_IMAGE_2D_RECT 0x9065 +# define GL_UNSIGNED_INT_IMAGE_CUBE 0x9066 +# define GL_UNSIGNED_INT_IMAGE_BUFFER 0x9067 +# define GL_UNSIGNED_INT_IMAGE_1D_ARRAY 0x9068 +# define GL_UNSIGNED_INT_IMAGE_2D_ARRAY 0x9069 +# define GL_UNSIGNED_INT_IMAGE_CUBE_MAP_ARRAY 0x906A +# define GL_UNSIGNED_INT_IMAGE_2D_MULTISAMPLE 0x906B +# define GL_UNSIGNED_INT_IMAGE_2D_MULTISAMPLE_ARRAY 0x906C +# endif + +QT_BEGIN_NAMESPACE + +namespace Qt3DRender { +namespace Render { +namespace OpenGL { + +namespace { + +GLbitfield memoryBarrierGLBitfield(QMemoryBarrier::Operations barriers) +{ + GLbitfield bits = 0; + + if (barriers.testFlag(QMemoryBarrier::All)) { + bits |= GL_ALL_BARRIER_BITS; + return bits; + } + + if (barriers.testFlag(QMemoryBarrier::VertexAttributeArray)) + bits |= GL_VERTEX_ATTRIB_ARRAY_BARRIER_BIT; + if (barriers.testFlag(QMemoryBarrier::ElementArray)) + bits |= GL_ELEMENT_ARRAY_BARRIER_BIT; + if (barriers.testFlag(QMemoryBarrier::Uniform)) + bits |= GL_UNIFORM_BARRIER_BIT; + if (barriers.testFlag(QMemoryBarrier::TextureFetch)) + bits |= GL_TEXTURE_FETCH_BARRIER_BIT; + if (barriers.testFlag(QMemoryBarrier::ShaderImageAccess)) + bits |= GL_SHADER_IMAGE_ACCESS_BARRIER_BIT; + if (barriers.testFlag(QMemoryBarrier::Command)) + bits |= GL_COMMAND_BARRIER_BIT; + if (barriers.testFlag(QMemoryBarrier::PixelBuffer)) + bits |= GL_PIXEL_BUFFER_BARRIER_BIT; + if (barriers.testFlag(QMemoryBarrier::TextureUpdate)) + bits |= GL_TEXTURE_UPDATE_BARRIER_BIT; + if (barriers.testFlag(QMemoryBarrier::BufferUpdate)) + bits |= GL_BUFFER_UPDATE_BARRIER_BIT; + if (barriers.testFlag(QMemoryBarrier::FrameBuffer)) + bits |= GL_FRAMEBUFFER_BARRIER_BIT; + if (barriers.testFlag(QMemoryBarrier::TransformFeedback)) + bits |= GL_TRANSFORM_FEEDBACK_BARRIER_BIT; + if (barriers.testFlag(QMemoryBarrier::AtomicCounter)) + bits |= GL_ATOMIC_COUNTER_BARRIER_BIT; + if (barriers.testFlag(QMemoryBarrier::ShaderStorage)) + bits |= GL_SHADER_STORAGE_BARRIER_BIT; + if (barriers.testFlag(QMemoryBarrier::QueryBuffer)) + bits |= GL_QUERY_BUFFER_BARRIER_BIT; + + return bits; +} + +} + +GraphicsHelperGL4::GraphicsHelperGL4() + : m_funcs(nullptr) +{ +} + +void GraphicsHelperGL4::initializeHelper(QOpenGLContext *context, + QAbstractOpenGLFunctions *functions) +{ + Q_UNUSED(context); + m_funcs = static_cast<QOpenGLFunctions_4_3_Core*>(functions); + const bool ok = m_funcs->initializeOpenGLFunctions(); + Q_ASSERT(ok); + Q_UNUSED(ok); +} + +void GraphicsHelperGL4::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"; + + // glDrawElements OpenGL 3.1 or greater + m_funcs->glDrawElementsInstancedBaseVertex(primitiveType, + primitiveCount, + indexType, + indices, + instances, + baseVertex); +} + +void GraphicsHelperGL4::drawArraysInstanced(GLenum primitiveType, + GLint first, + GLsizei count, + GLsizei instances) +{ + // glDrawArraysInstanced OpenGL 3.1 or greater + m_funcs->glDrawArraysInstanced(primitiveType, + first, + count, + instances); +} + +void GraphicsHelperGL4::drawArraysInstancedBaseInstance(GLenum primitiveType, GLint first, GLsizei count, GLsizei instances, GLsizei baseInstance) +{ + m_funcs->glDrawArraysInstancedBaseInstance(primitiveType, + first, + count, + instances, + baseInstance); +} + +void GraphicsHelperGL4::drawElements(GLenum primitiveType, + GLsizei primitiveCount, + GLint indexType, + void *indices, + GLint baseVertex) +{ + m_funcs->glDrawElementsBaseVertex(primitiveType, + primitiveCount, + indexType, + indices, + baseVertex); +} + +void GraphicsHelperGL4::drawElementsIndirect(GLenum mode, + GLenum type, + void *indirect) +{ + m_funcs->glDrawElementsIndirect(mode, type, indirect); +} + +void GraphicsHelperGL4::drawArrays(GLenum primitiveType, + GLint first, + GLsizei count) +{ + m_funcs->glDrawArrays(primitiveType, + first, + count); +} + +void GraphicsHelperGL4::drawArraysIndirect(GLenum mode, void *indirect) +{ + m_funcs->glDrawArraysIndirect(mode, indirect); +} + +void GraphicsHelperGL4::setVerticesPerPatch(GLint verticesPerPatch) +{ + m_funcs->glPatchParameteri(GL_PATCH_VERTICES, verticesPerPatch); +} + +void GraphicsHelperGL4::useProgram(GLuint programId) +{ + m_funcs->glUseProgram(programId); +} + +QVector<ShaderUniform> GraphicsHelperGL4::programUniformsAndLocations(GLuint programId) +{ + QVector<ShaderUniform> uniforms; + + GLint nbrActiveUniforms = 0; + m_funcs->glGetProgramInterfaceiv(programId, GL_UNIFORM, GL_ACTIVE_RESOURCES, &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.append(uniform); + qCDebug(Rendering) << uniform.m_name << "size" << uniform.m_size + << " offset" << uniform.m_offset + << " rawSize" << uniform.m_rawByteSize; + } + + return uniforms; +} + +QVector<ShaderAttribute> GraphicsHelperGL4::programAttributesAndLocations(GLuint programId) +{ + QVector<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.append(attribute); + } + return attributes; +} + +QVector<ShaderUniformBlock> GraphicsHelperGL4::programUniformBlocks(GLuint programId) +{ + QVector<ShaderUniformBlock> blocks; + GLint nbrActiveUniformsBlocks = 0; + m_funcs->glGetProgramInterfaceiv(programId, GL_UNIFORM_BLOCK, GL_ACTIVE_RESOURCES, &nbrActiveUniformsBlocks); + blocks.reserve(nbrActiveUniformsBlocks); + for (GLint i = 0; i < nbrActiveUniformsBlocks; ++i) { + QByteArray uniformBlockName(256, '\0'); + GLsizei length = 0; + ShaderUniformBlock uniformBlock; + m_funcs->glGetProgramResourceName(programId, GL_UNIFORM_BLOCK, i, 256, &length, uniformBlockName.data()); + uniformBlock.m_name = QString::fromUtf8(uniformBlockName.left(length)); + uniformBlock.m_index = i; + GLenum prop = GL_BUFFER_BINDING; + m_funcs->glGetProgramResourceiv(programId, GL_UNIFORM_BLOCK, i, 1, &prop, 4, NULL, &uniformBlock.m_binding); + prop = GL_BUFFER_DATA_SIZE; + m_funcs->glGetProgramResourceiv(programId, GL_UNIFORM_BLOCK, i, 1, &prop, 4, NULL, &uniformBlock.m_size); + prop = GL_NUM_ACTIVE_VARIABLES; + m_funcs->glGetProgramResourceiv(programId, GL_UNIFORM_BLOCK, i, 1, &prop, 4, NULL, &uniformBlock.m_activeUniformsCount); + blocks.append(uniformBlock); + } + return blocks; +} + +QVector<ShaderStorageBlock> GraphicsHelperGL4::programShaderStorageBlocks(GLuint programId) +{ + QVector<ShaderStorageBlock> blocks; + GLint nbrActiveShaderStorageBlocks = 0; + m_funcs->glGetProgramInterfaceiv(programId, GL_SHADER_STORAGE_BLOCK, GL_ACTIVE_RESOURCES, &nbrActiveShaderStorageBlocks); + blocks.reserve(nbrActiveShaderStorageBlocks); + for (GLint i = 0; i < nbrActiveShaderStorageBlocks; ++i) { + QByteArray storageBlockName(256, '\0'); + GLsizei length = 0; + ShaderStorageBlock storageBlock; + m_funcs->glGetProgramResourceName(programId, GL_SHADER_STORAGE_BLOCK, i, 256, &length, storageBlockName.data()); + storageBlock.m_index = i; + storageBlock.m_name = QString::fromUtf8(storageBlockName.left(length)); + GLenum prop = GL_BUFFER_BINDING; + m_funcs->glGetProgramResourceiv(programId, GL_SHADER_STORAGE_BLOCK, i, 1, &prop, 4, NULL, &storageBlock.m_binding); + prop = GL_BUFFER_DATA_SIZE; + m_funcs->glGetProgramResourceiv(programId, GL_SHADER_STORAGE_BLOCK, i, 1, &prop, 4, NULL, &storageBlock.m_size); + prop = GL_NUM_ACTIVE_VARIABLES; + m_funcs->glGetProgramResourceiv(programId, GL_SHADER_STORAGE_BLOCK, i, 1, &prop, 4, NULL, &storageBlock.m_activeVariablesCount); + blocks.push_back(storageBlock); + } + return blocks; +} + +void GraphicsHelperGL4::vertexAttribDivisor(GLuint index, GLuint divisor) +{ + m_funcs->glVertexAttribDivisor(index, divisor); +} + +void GraphicsHelperGL4::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; + + case GL_DOUBLE: + case GL_DOUBLE_VEC2: + case GL_DOUBLE_VEC3: + case GL_DOUBLE_VEC4: + m_funcs->glVertexAttribLPointer(index, size, type, stride, pointer); + break; + + default: + qCWarning(Rendering) << "vertexAttribPointer: Unhandled type"; + Q_UNREACHABLE(); + } +} + +void GraphicsHelperGL4::readBuffer(GLenum mode) +{ + m_funcs->glReadBuffer(mode); +} + +void GraphicsHelperGL4::drawBuffer(GLenum mode) +{ + m_funcs->glDrawBuffer(mode); +} + +void *GraphicsHelperGL4::fenceSync() +{ + return m_funcs->glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0); +} + +void GraphicsHelperGL4::clientWaitSync(void *sync, GLuint64 nanoSecTimeout) +{ + qDebug() << Q_FUNC_INFO << sync << static_cast<GLsync>(sync); + GLenum e = m_funcs->glClientWaitSync(static_cast<GLsync>(sync), GL_SYNC_FLUSH_COMMANDS_BIT, nanoSecTimeout); + qDebug() << e; +} + +void GraphicsHelperGL4::waitSync(void *sync) +{ + m_funcs->glWaitSync(static_cast<GLsync>(sync), 0, GL_TIMEOUT_IGNORED); +} + +bool GraphicsHelperGL4::wasSyncSignaled(void *sync) +{ + GLint v = 0; + m_funcs->glGetSynciv(static_cast<GLsync>(sync), + GL_SYNC_STATUS, + sizeof(v), + nullptr, + &v); + return v == GL_SIGNALED; +} + +void GraphicsHelperGL4::deleteSync(void *sync) +{ + m_funcs->glDeleteSync(static_cast<GLsync>(sync)); +} + +void GraphicsHelperGL4::rasterMode(GLenum faceMode, GLenum rasterMode) +{ + m_funcs->glPolygonMode(faceMode, rasterMode); +} + +void GraphicsHelperGL4::glUniform1fv(GLint location, GLsizei count, const GLfloat *values) +{ + m_funcs->glUniform1fv(location, count, values); +} + +void GraphicsHelperGL4::glUniform2fv(GLint location, GLsizei count, const GLfloat *values) +{ + m_funcs->glUniform2fv(location, count, values); +} + +void GraphicsHelperGL4::glUniform3fv(GLint location, GLsizei count, const GLfloat *values) +{ + m_funcs->glUniform3fv(location, count, values); +} + +void GraphicsHelperGL4::glUniform4fv(GLint location, GLsizei count, const GLfloat *values) +{ + m_funcs->glUniform4fv(location, count, values); +} + +void GraphicsHelperGL4::glUniform1iv(GLint location, GLsizei count, const GLint *values) +{ + m_funcs->glUniform1iv(location, count, values); +} + +void GraphicsHelperGL4::glUniform2iv(GLint location, GLsizei count, const GLint *values) +{ + m_funcs->glUniform2iv(location, count, values); +} + +void GraphicsHelperGL4::glUniform3iv(GLint location, GLsizei count, const GLint *values) +{ + m_funcs->glUniform3iv(location, count, values); +} + +void GraphicsHelperGL4::glUniform4iv(GLint location, GLsizei count, const GLint *values) +{ + m_funcs->glUniform4iv(location, count, values); +} + +void GraphicsHelperGL4::glUniform1uiv(GLint location, GLsizei count, const GLuint *values) +{ + m_funcs->glUniform1uiv(location, count, values); +} + +void GraphicsHelperGL4::glUniform2uiv(GLint location, GLsizei count, const GLuint *values) +{ + m_funcs->glUniform2uiv(location, count, values); +} + +void GraphicsHelperGL4::glUniform3uiv(GLint location, GLsizei count, const GLuint *values) +{ + m_funcs->glUniform3uiv(location, count, values); +} + +void GraphicsHelperGL4::glUniform4uiv(GLint location, GLsizei count, const GLuint *values) +{ + m_funcs->glUniform4uiv(location, count, values); +} + +void GraphicsHelperGL4::glUniformMatrix2fv(GLint location, GLsizei count, const GLfloat *values) +{ + m_funcs->glUniformMatrix2fv(location, count, false, values); +} + +void GraphicsHelperGL4::glUniformMatrix3fv(GLint location, GLsizei count, const GLfloat *values) +{ + m_funcs->glUniformMatrix3fv(location, count, false, values); +} + +void GraphicsHelperGL4::glUniformMatrix4fv(GLint location, GLsizei count, const GLfloat *values) +{ + m_funcs->glUniformMatrix4fv(location, count, false, values); +} + +void GraphicsHelperGL4::glUniformMatrix2x3fv(GLint location, GLsizei count, const GLfloat *values) +{ + m_funcs->glUniformMatrix2x3fv(location, count, false, values); +} + +void GraphicsHelperGL4::glUniformMatrix3x2fv(GLint location, GLsizei count, const GLfloat *values) +{ + m_funcs->glUniformMatrix3x2fv(location, count, false, values); +} + +void GraphicsHelperGL4::glUniformMatrix2x4fv(GLint location, GLsizei count, const GLfloat *values) +{ + m_funcs->glUniformMatrix2x4fv(location, count, false, values); +} + +void GraphicsHelperGL4::glUniformMatrix4x2fv(GLint location, GLsizei count, const GLfloat *values) +{ + m_funcs->glUniformMatrix4x2fv(location, count, false, values); +} + +void GraphicsHelperGL4::glUniformMatrix3x4fv(GLint location, GLsizei count, const GLfloat *values) +{ + m_funcs->glUniformMatrix3x4fv(location, count, false, values); +} + +void GraphicsHelperGL4::glUniformMatrix4x3fv(GLint location, GLsizei count, const GLfloat *values) +{ + m_funcs->glUniformMatrix4x3fv(location, count, false, values); +} + +UniformType GraphicsHelperGL4::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_1D: + case GL_SAMPLER_1D_ARRAY: + case GL_SAMPLER_1D_SHADOW: + 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_CUBE_MAP_ARRAY: + case GL_SAMPLER_CUBE_MAP_ARRAY_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_SAMPLER_BUFFER: + case GL_INT_SAMPLER_1D: + case GL_INT_SAMPLER_2D: + case GL_INT_SAMPLER_3D: + case GL_INT_SAMPLER_BUFFER: + case GL_INT_SAMPLER_CUBE: + case GL_INT_SAMPLER_CUBE_MAP_ARRAY: + 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_1D: + case GL_UNSIGNED_INT_SAMPLER_2D: + case GL_UNSIGNED_INT_SAMPLER_3D: + case GL_UNSIGNED_INT_SAMPLER_BUFFER: + 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: + case GL_UNSIGNED_INT_SAMPLER_CUBE: + case GL_UNSIGNED_INT_SAMPLER_CUBE_MAP_ARRAY: + return UniformType::Sampler; + + case GL_IMAGE_1D: + case GL_IMAGE_2D: + case GL_IMAGE_3D: + case GL_IMAGE_2D_RECT: + case GL_IMAGE_CUBE: + case GL_IMAGE_BUFFER: + case GL_IMAGE_1D_ARRAY: + case GL_IMAGE_2D_ARRAY: + case GL_IMAGE_CUBE_MAP_ARRAY: + case GL_IMAGE_2D_MULTISAMPLE: + case GL_IMAGE_2D_MULTISAMPLE_ARRAY: + case GL_INT_IMAGE_1D: + case GL_INT_IMAGE_2D: + case GL_INT_IMAGE_3D: + case GL_INT_IMAGE_2D_RECT: + case GL_INT_IMAGE_CUBE: + case GL_INT_IMAGE_BUFFER: + case GL_INT_IMAGE_1D_ARRAY: + case GL_INT_IMAGE_2D_ARRAY: + case GL_INT_IMAGE_CUBE_MAP_ARRAY: + case GL_INT_IMAGE_2D_MULTISAMPLE: + case GL_INT_IMAGE_2D_MULTISAMPLE_ARRAY: + case GL_UNSIGNED_INT_IMAGE_1D: + case GL_UNSIGNED_INT_IMAGE_2D: + case GL_UNSIGNED_INT_IMAGE_3D: + case GL_UNSIGNED_INT_IMAGE_2D_RECT: + case GL_UNSIGNED_INT_IMAGE_CUBE: + case GL_UNSIGNED_INT_IMAGE_BUFFER: + case GL_UNSIGNED_INT_IMAGE_1D_ARRAY: + case GL_UNSIGNED_INT_IMAGE_2D_ARRAY: + case GL_UNSIGNED_INT_IMAGE_CUBE_MAP_ARRAY: + case GL_UNSIGNED_INT_IMAGE_2D_MULTISAMPLE: + case GL_UNSIGNED_INT_IMAGE_2D_MULTISAMPLE_ARRAY: + return UniformType::Image; + + default: + // TO DO: Add support for Doubles and Images + Q_UNREACHABLE(); + return UniformType::Float; + } +} + +void GraphicsHelperGL4::blendEquation(GLenum mode) +{ + m_funcs->glBlendEquation(mode); +} + +void GraphicsHelperGL4::blendFunci(GLuint buf, GLenum sfactor, GLenum dfactor) +{ + m_funcs->glBlendFunci(buf, sfactor, dfactor); +} + +void GraphicsHelperGL4::blendFuncSeparatei(GLuint buf, GLenum sRGB, GLenum dRGB, GLenum sAlpha, GLenum dAlpha) +{ + m_funcs->glBlendFuncSeparatei(buf, sRGB, dRGB, sAlpha, dAlpha); +} + +void GraphicsHelperGL4::alphaTest(GLenum, GLenum) +{ + qCWarning(Rendering) << "AlphaTest not available with OpenGL 3.2 core"; +} + +void GraphicsHelperGL4::depthTest(GLenum mode) +{ + m_funcs->glEnable(GL_DEPTH_TEST); + m_funcs->glDepthFunc(mode); +} + +void GraphicsHelperGL4::depthMask(GLenum mode) +{ + m_funcs->glDepthMask(mode); +} + +void GraphicsHelperGL4::depthRange(GLdouble nearValue, GLdouble farValue) +{ + m_funcs->glDepthRange(nearValue, farValue); +} + +void GraphicsHelperGL4::frontFace(GLenum mode) +{ + m_funcs->glFrontFace(mode); + +} + +void GraphicsHelperGL4::setMSAAEnabled(bool enabled) +{ + enabled ? m_funcs->glEnable(GL_MULTISAMPLE) + : m_funcs->glDisable(GL_MULTISAMPLE); +} + +void GraphicsHelperGL4::setAlphaCoverageEnabled(bool enabled) +{ + enabled ? m_funcs->glEnable(GL_SAMPLE_ALPHA_TO_COVERAGE) + : m_funcs->glDisable(GL_SAMPLE_ALPHA_TO_COVERAGE); +} + +GLuint GraphicsHelperGL4::createFrameBufferObject() +{ + GLuint id; + m_funcs->glGenFramebuffers(1, &id); + return id; +} + +void GraphicsHelperGL4::releaseFrameBufferObject(GLuint frameBufferId) +{ + m_funcs->glDeleteFramebuffers(1, &frameBufferId); +} + +void GraphicsHelperGL4::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; + } +} + +void GraphicsHelperGL4::bindImageTexture(GLuint imageUnit, GLuint texture, + GLint mipLevel, GLboolean layered, + GLint layer, GLenum access, GLenum format) +{ + m_funcs->glBindImageTexture(imageUnit, + texture, + mipLevel, + layered, + layer, + access, + format); +} + +GLuint GraphicsHelperGL4::boundFrameBufferObject() +{ + GLint id = 0; + m_funcs->glGetIntegerv(GL_DRAW_FRAMEBUFFER_BINDING, &id); + return id; +} + +bool GraphicsHelperGL4::checkFrameBufferComplete() +{ + return (m_funcs->glCheckFramebufferStatus(GL_FRAMEBUFFER) == GL_FRAMEBUFFER_COMPLETE); +} + +bool GraphicsHelperGL4::frameBufferNeedsRenderBuffer(const Attachment &attachment) +{ + Q_UNUSED(attachment); + return false; +} + +void GraphicsHelperGL4::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) + m_funcs->glFramebufferTexture3D(GL_DRAW_FRAMEBUFFER, attr, attachment.m_face, texture->textureId(), attachment.m_mipLevel, attachment.m_layer); + 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 GraphicsHelperGL4::bindFrameBufferAttachment(RenderBuffer *renderBuffer, const Attachment &attachment) +{ + Q_UNUSED(renderBuffer); + Q_UNUSED(attachment); + Q_UNREACHABLE(); +} + +bool GraphicsHelperGL4::supportsFeature(GraphicsHelperInterface::Feature feature) const +{ + switch (feature) { + case MRT: + case Tessellation: + case UniformBufferObject: + case BindableFragmentOutputs: + case PrimitiveRestart: + case RenderBufferDimensionRetrieval: + case TextureDimensionRetrieval: + case ShaderStorageObject: + case Compute: + case DrawBuffersBlend: + case BlitFramebuffer: + case IndirectDrawing: + case MapBuffer: + case Fences: + case ShaderImage: + return true; + default: + return false; + } +} + +void GraphicsHelperGL4::drawBuffers(GLsizei n, const int *bufs) +{ + // Use QVarLengthArray here + QVarLengthArray<GLenum, 16> drawBufs(n); + + for (int i = 0; i < n; i++) + drawBufs[i] = GL_COLOR_ATTACHMENT0 + bufs[i]; + m_funcs->glDrawBuffers(n, drawBufs.constData()); +} + +void GraphicsHelperGL4::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 GraphicsHelperGL4::bindUniformBlock(GLuint programId, GLuint uniformBlockIndex, GLuint uniformBlockBinding) +{ + m_funcs->glUniformBlockBinding(programId, uniformBlockIndex, uniformBlockBinding); +} + +void GraphicsHelperGL4::bindShaderStorageBlock(GLuint programId, GLuint shaderStorageBlockIndex, GLuint shaderStorageBlockBinding) +{ + m_funcs->glShaderStorageBlockBinding(programId, shaderStorageBlockIndex, shaderStorageBlockBinding); +} + +void GraphicsHelperGL4::bindBufferBase(GLenum target, GLuint index, GLuint buffer) +{ + m_funcs->glBindBufferBase(target, index, buffer); +} + +void GraphicsHelperGL4::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: + case GL_IMAGE_1D: + case GL_IMAGE_2D: + case GL_IMAGE_3D: + case GL_IMAGE_2D_RECT: + case GL_IMAGE_CUBE: + case GL_IMAGE_BUFFER: + case GL_IMAGE_1D_ARRAY: + case GL_IMAGE_2D_ARRAY: + case GL_IMAGE_CUBE_MAP_ARRAY: + case GL_IMAGE_2D_MULTISAMPLE: + case GL_IMAGE_2D_MULTISAMPLE_ARRAY: + case GL_INT_IMAGE_1D: + case GL_INT_IMAGE_2D: + case GL_INT_IMAGE_3D: + case GL_INT_IMAGE_2D_RECT: + case GL_INT_IMAGE_CUBE: + case GL_INT_IMAGE_BUFFER: + case GL_INT_IMAGE_1D_ARRAY: + case GL_INT_IMAGE_2D_ARRAY: + case GL_INT_IMAGE_CUBE_MAP_ARRAY: + case GL_INT_IMAGE_2D_MULTISAMPLE: + case GL_INT_IMAGE_2D_MULTISAMPLE_ARRAY: + case GL_UNSIGNED_INT_IMAGE_1D: + case GL_UNSIGNED_INT_IMAGE_2D: + case GL_UNSIGNED_INT_IMAGE_3D: + case GL_UNSIGNED_INT_IMAGE_2D_RECT: + case GL_UNSIGNED_INT_IMAGE_CUBE: + case GL_UNSIGNED_INT_IMAGE_BUFFER: + case GL_UNSIGNED_INT_IMAGE_1D_ARRAY: + case GL_UNSIGNED_INT_IMAGE_2D_ARRAY: + case GL_UNSIGNED_INT_IMAGE_CUBE_MAP_ARRAY: + case GL_UNSIGNED_INT_IMAGE_2D_MULTISAMPLE: + case GL_UNSIGNED_INT_IMAGE_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 GraphicsHelperGL4::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: + case GL_IMAGE_1D: + case GL_IMAGE_2D: + case GL_IMAGE_3D: + case GL_IMAGE_2D_RECT: + case GL_IMAGE_CUBE: + case GL_IMAGE_BUFFER: + case GL_IMAGE_1D_ARRAY: + case GL_IMAGE_2D_ARRAY: + case GL_IMAGE_CUBE_MAP_ARRAY: + case GL_IMAGE_2D_MULTISAMPLE: + case GL_IMAGE_2D_MULTISAMPLE_ARRAY: + case GL_INT_IMAGE_1D: + case GL_INT_IMAGE_2D: + case GL_INT_IMAGE_3D: + case GL_INT_IMAGE_2D_RECT: + case GL_INT_IMAGE_CUBE: + case GL_INT_IMAGE_BUFFER: + case GL_INT_IMAGE_1D_ARRAY: + case GL_INT_IMAGE_2D_ARRAY: + case GL_INT_IMAGE_CUBE_MAP_ARRAY: + case GL_INT_IMAGE_2D_MULTISAMPLE: + case GL_INT_IMAGE_2D_MULTISAMPLE_ARRAY: + case GL_UNSIGNED_INT_IMAGE_1D: + case GL_UNSIGNED_INT_IMAGE_2D: + case GL_UNSIGNED_INT_IMAGE_3D: + case GL_UNSIGNED_INT_IMAGE_2D_RECT: + case GL_UNSIGNED_INT_IMAGE_CUBE: + case GL_UNSIGNED_INT_IMAGE_BUFFER: + case GL_UNSIGNED_INT_IMAGE_1D_ARRAY: + case GL_UNSIGNED_INT_IMAGE_2D_ARRAY: + case GL_UNSIGNED_INT_IMAGE_CUBE_MAP_ARRAY: + case GL_UNSIGNED_INT_IMAGE_2D_MULTISAMPLE: + case GL_UNSIGNED_INT_IMAGE_2D_MULTISAMPLE_ARRAY: + rawByteSize = 4; + break; + + default: { + qWarning() << Q_FUNC_INFO << "unable to deduce rawByteSize for uniform type:" << description.m_type << "for uniform" << description.m_name; + break; + } + + } + + return arrayStride ? rawByteSize * arrayStride : rawByteSize; +} + +void GraphicsHelperGL4::enableClipPlane(int clipPlane) +{ + m_funcs->glEnable(GL_CLIP_DISTANCE0 + clipPlane); +} + +void GraphicsHelperGL4::disableClipPlane(int clipPlane) +{ + m_funcs->glDisable(GL_CLIP_DISTANCE0 + clipPlane); +} + +void GraphicsHelperGL4::setClipPlane(int, const QVector3D &, float) +{ + // deprecated +} + +GLint GraphicsHelperGL4::maxClipPlaneCount() +{ + GLint max = 0; + m_funcs->glGetIntegerv(GL_MAX_CLIP_DISTANCES, &max); + return max; +} + +void GraphicsHelperGL4::memoryBarrier(QMemoryBarrier::Operations barriers) +{ + m_funcs->glMemoryBarrier(memoryBarrierGLBitfield(barriers)); +} + +void GraphicsHelperGL4::enablePrimitiveRestart(int primitiveRestartIndex) +{ + m_funcs->glPrimitiveRestartIndex(primitiveRestartIndex); + m_funcs->glEnable(GL_PRIMITIVE_RESTART); +} + +void GraphicsHelperGL4::enableVertexAttributeArray(int location) +{ + m_funcs->glEnableVertexAttribArray(location); +} + +void GraphicsHelperGL4::disablePrimitiveRestart() +{ + m_funcs->glDisable(GL_PRIMITIVE_RESTART); +} + +void GraphicsHelperGL4::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 GraphicsHelperGL4::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 GraphicsHelperGL4::enablei(GLenum cap, GLuint index) +{ + m_funcs->glEnablei(cap, index); +} + +void GraphicsHelperGL4::disablei(GLenum cap, GLuint index) +{ + m_funcs->glDisablei(cap, index); +} + +void GraphicsHelperGL4::setSeamlessCubemap(bool enable) +{ + if (enable) + m_funcs->glEnable(GL_TEXTURE_CUBE_MAP_SEAMLESS); + else + m_funcs->glDisable(GL_TEXTURE_CUBE_MAP_SEAMLESS); +} + +QSize GraphicsHelperGL4::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 GraphicsHelperGL4::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 GraphicsHelperGL4::dispatchCompute(GLuint wx, GLuint wy, GLuint wz) +{ + m_funcs->glDispatchCompute(wx, wy, wz); +} + +char *GraphicsHelperGL4::mapBuffer(GLenum target, GLsizeiptr size) +{ + return static_cast<char*>(m_funcs->glMapBufferRange(target, 0, size, GL_MAP_READ_BIT | GL_MAP_WRITE_BIT)); +} + +GLboolean GraphicsHelperGL4::unmapBuffer(GLenum target) +{ + return m_funcs->glUnmapBuffer(target); +} + +void GraphicsHelperGL4::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 |