diff options
Diffstat (limited to 'src/plugins/renderers/rhi/graphicshelpers/graphicshelperes3_1.cpp')
| -rw-r--r-- | src/plugins/renderers/rhi/graphicshelpers/graphicshelperes3_1.cpp | 369 |
1 files changed, 0 insertions, 369 deletions
diff --git a/src/plugins/renderers/rhi/graphicshelpers/graphicshelperes3_1.cpp b/src/plugins/renderers/rhi/graphicshelpers/graphicshelperes3_1.cpp deleted file mode 100644 index f2f5b7b0c..000000000 --- a/src/plugins/renderers/rhi/graphicshelpers/graphicshelperes3_1.cpp +++ /dev/null @@ -1,369 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2018 The Qt Company Ltd. -** Contact: http://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 "graphicshelperes3_1_p.h" -#include <qgraphicsutils_p.h> -#include <QOpenGLExtraFunctions> - -QT_BEGIN_NAMESPACE - -// ES 3.1+ -#ifndef GL_SAMPLER_2D_MULTISAMPLE -#define GL_SAMPLER_2D_MULTISAMPLE 0x9108 -#endif -#ifndef GL_INT_SAMPLER_2D_MULTISAMPLE -#define GL_INT_SAMPLER_2D_MULTISAMPLE 0x9109 -#endif -#ifndef GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE -#define GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE 0x910A -#endif -#ifndef GL_ACTIVE_RESOURCES -#define GL_ACTIVE_RESOURCES 0x92F5 -#endif -#ifndef GL_BUFFER_BINDING -#define GL_BUFFER_BINDING 0x9302 -#endif -#ifndef GL_BUFFER_DATA_SIZE -#define GL_BUFFER_DATA_SIZE 0x9303 -#endif -#ifndef GL_NUM_ACTIVE_VARIABLES -#define GL_NUM_ACTIVE_VARIABLES 0x9304 -#endif -#ifndef GL_SHADER_STORAGE_BLOCK -#define GL_SHADER_STORAGE_BLOCK 0x92E6 -#endif -#ifndef GL_ALL_BARRIER_BITS -#define GL_ALL_BARRIER_BITS 0xFFFFFFFF -#endif -#ifndef GL_VERTEX_ATTRIB_ARRAY_BARRIER_BIT -#define GL_VERTEX_ATTRIB_ARRAY_BARRIER_BIT 0x00000001 -#endif -#ifndef GL_ELEMENT_ARRAY_BARRIER_BIT -#define GL_ELEMENT_ARRAY_BARRIER_BIT 0x00000002 -#endif -#ifndef GL_UNIFORM_BARRIER_BIT -#define GL_UNIFORM_BARRIER_BIT 0x00000004 -#endif -#ifndef GL_TEXTURE_FETCH_BARRIER_BIT -#define GL_TEXTURE_FETCH_BARRIER_BIT 0x00000008 -#endif -#ifndef GL_SHADER_IMAGE_ACCESS_BARRIER_BIT -#define GL_SHADER_IMAGE_ACCESS_BARRIER_BIT 0x00000020 -#endif -#ifndef GL_COMMAND_BARRIER_BIT -#define GL_COMMAND_BARRIER_BIT 0x00000040 -#endif -#ifndef GL_PIXEL_BUFFER_BARRIER_BIT -#define GL_PIXEL_BUFFER_BARRIER_BIT 0x00000080 -#endif -#ifndef GL_TEXTURE_UPDATE_BARRIER_BIT -#define GL_TEXTURE_UPDATE_BARRIER_BIT 0x00000100 -#endif -#ifndef GL_BUFFER_UPDATE_BARRIER_BIT -#define GL_BUFFER_UPDATE_BARRIER_BIT 0x00000200 -#endif -#ifndef GL_FRAMEBUFFER_BARRIER_BIT -#define GL_FRAMEBUFFER_BARRIER_BIT 0x00000400 -#endif -#ifndef GL_TRANSFORM_FEEDBACK_BARRIER_BIT -#define GL_TRANSFORM_FEEDBACK_BARRIER_BIT 0x00000800 -#endif -#ifndef GL_ATOMIC_COUNTER_BARRIER_BIT -#define GL_ATOMIC_COUNTER_BARRIER_BIT 0x00001000 -#endif -#ifndef GL_SHADER_STORAGE_BARRIER_BIT -#define GL_SHADER_STORAGE_BARRIER_BIT 0x00002000 -#endif -#ifndef GL_IMAGE_2D -#define GL_IMAGE_2D 0x904D -#endif -#ifndef GL_IMAGE_3D -#define GL_IMAGE_3D 0x904E -#endif -#ifndef GL_IMAGE_CUBE -#define GL_IMAGE_CUBE 0x9050 -#endif -#ifndef GL_IMAGE_2D_ARRAY -#define GL_IMAGE_2D_ARRAY 0x9053 -#endif -#ifndef GL_INT_IMAGE_2D -#define GL_INT_IMAGE_2D 0x9058 -#endif -#ifndef GL_INT_IMAGE_3D -#define GL_INT_IMAGE_3D 0x9059 -#endif -#ifndef GL_INT_IMAGE_CUBE -#define GL_INT_IMAGE_CUBE 0x905B -#endif -#ifndef GL_INT_IMAGE_2D_ARRAY -#define GL_INT_IMAGE_2D_ARRAY 0x905E -#endif -#ifndef GL_UNSIGNED_INT_IMAGE_2D -#define GL_UNSIGNED_INT_IMAGE_2D 0x9063 -#endif -#ifndef GL_UNSIGNED_INT_IMAGE_3D -#define GL_UNSIGNED_INT_IMAGE_3D 0x9064 -#endif -#ifndef GL_UNSIGNED_INT_IMAGE_CUBE -#define GL_UNSIGNED_INT_IMAGE_CUBE 0x9066 -#endif -#ifndef GL_UNSIGNED_INT_IMAGE_2D_ARRAY -#define GL_UNSIGNED_INT_IMAGE_2D_ARRAY 0x9069 -#endif - - -namespace Qt3DRender { -namespace Render { -namespace Rhi { - -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)) - qWarning() << "QueryBuffer barrier not supported by ES 3.1"; - - return bits; -} - -} // anonymous - - -GraphicsHelperES3_1::GraphicsHelperES3_1() -{ -} - -GraphicsHelperES3_1::~GraphicsHelperES3_1() -{ -} - -bool GraphicsHelperES3_1::supportsFeature(GraphicsHelperInterface::Feature feature) const -{ - switch (feature) { - case GraphicsHelperInterface::Compute: - case GraphicsHelperInterface::ShaderStorageObject: - case GraphicsHelperInterface::IndirectDrawing: - case GraphicsHelperInterface::ShaderImage: - return true; - default: - break; - } - return GraphicsHelperES3::supportsFeature(feature); -} - -void GraphicsHelperES3_1::bindImageTexture(GLuint imageUnit, GLuint texture, - GLint mipLevel, GLboolean layered, - GLint layer, GLenum access, GLenum format) -{ - m_extraFuncs->glBindImageTexture(imageUnit, - texture, - mipLevel, - layered, - layer, - access, - format); -} - -void GraphicsHelperES3_1::dispatchCompute(GLuint wx, GLuint wy, GLuint wz) -{ - m_extraFuncs->glDispatchCompute(wx, wy, wz); -} - -void GraphicsHelperES3_1::memoryBarrier(QMemoryBarrier::Operations barriers) -{ - m_extraFuncs->glMemoryBarrier(memoryBarrierGLBitfield(barriers)); -} - -void GraphicsHelperES3_1::drawArraysIndirect(GLenum mode, void *indirect) -{ - m_extraFuncs->glDrawArraysIndirect(mode, indirect); -} - -void GraphicsHelperES3_1::drawElementsIndirect(GLenum mode, GLenum type, void *indirect) -{ - m_extraFuncs->glDrawElementsIndirect(mode, type, indirect); -} - -void GraphicsHelperES3_1::bindShaderStorageBlock(GLuint , GLuint , GLuint ) -{ - // ES 3.1 has no API for that, bindings have to be specified directly in the shader - // with layout(std430, binding = 3) - qWarning() << "ES 3.1 has no bindShaderStorageBlock API, it uses binding declaration from the shader storage block"; -} - -QVector<ShaderStorageBlock> GraphicsHelperES3_1::programShaderStorageBlocks(GLuint programId) -{ - QVector<ShaderStorageBlock> blocks; - GLint nbrActiveShaderStorageBlocks = 0; - m_extraFuncs->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_extraFuncs->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_extraFuncs->glGetProgramResourceiv(programId, GL_SHADER_STORAGE_BLOCK, i, 1, &prop, 4, NULL, &storageBlock.m_binding); - prop = GL_BUFFER_DATA_SIZE; - m_extraFuncs->glGetProgramResourceiv(programId, GL_SHADER_STORAGE_BLOCK, i, 1, &prop, 4, NULL, &storageBlock.m_size); - prop = GL_NUM_ACTIVE_VARIABLES; - m_extraFuncs->glGetProgramResourceiv(programId, GL_SHADER_STORAGE_BLOCK, i, 1, &prop, 4, NULL, &storageBlock.m_activeVariablesCount); - blocks.push_back(storageBlock); - } - return blocks; -} - -UniformType GraphicsHelperES3_1::uniformTypeFromGLType(GLenum glType) -{ - switch (glType) { - case GL_SAMPLER_2D_MULTISAMPLE: - case GL_INT_SAMPLER_2D_MULTISAMPLE: - case GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE: - return UniformType::Sampler; - case GL_IMAGE_2D: - case GL_IMAGE_3D: - case GL_IMAGE_CUBE: - case GL_IMAGE_2D_ARRAY: - case GL_INT_IMAGE_2D: - case GL_INT_IMAGE_3D: - case GL_INT_IMAGE_CUBE: - case GL_INT_IMAGE_2D_ARRAY: - case GL_UNSIGNED_INT_IMAGE_2D: - case GL_UNSIGNED_INT_IMAGE_3D: - case GL_UNSIGNED_INT_IMAGE_CUBE: - case GL_UNSIGNED_INT_IMAGE_2D_ARRAY: - return UniformType::Image; - - default: - return GraphicsHelperES3::uniformTypeFromGLType(glType); - } -} - -uint GraphicsHelperES3_1::uniformByteSize(const ShaderUniform &description) -{ - uint rawByteSize = 0; - - switch (description.m_type) { - case GL_SAMPLER_2D_MULTISAMPLE: - case GL_INT_SAMPLER_2D_MULTISAMPLE: - case GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE: - case GL_IMAGE_2D: - case GL_IMAGE_3D: - case GL_IMAGE_CUBE: - case GL_IMAGE_2D_ARRAY: - case GL_INT_IMAGE_2D: - case GL_INT_IMAGE_3D: - case GL_INT_IMAGE_CUBE: - case GL_INT_IMAGE_2D_ARRAY: - case GL_UNSIGNED_INT_IMAGE_2D: - case GL_UNSIGNED_INT_IMAGE_3D: - case GL_UNSIGNED_INT_IMAGE_CUBE: - case GL_UNSIGNED_INT_IMAGE_2D_ARRAY: - rawByteSize = 4; - break; - - default: - rawByteSize = GraphicsHelperES3::uniformByteSize(description); - break; - } - - return rawByteSize; -} - -void GraphicsHelperES3_1::buildUniformBuffer(const QVariant &v, const ShaderUniform &description, QByteArray &buffer) -{ - char *bufferData = buffer.data(); - - switch (description.m_type) { - case GL_SAMPLER_2D_MULTISAMPLE: - case GL_INT_SAMPLER_2D_MULTISAMPLE: - case GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE: - { - Q_ASSERT(description.m_size == 1); - int value = v.toInt(); - QGraphicsUtils::fillDataArray<GLint>(bufferData, &value, description, 1); - break; - } - - default: - GraphicsHelperES3::buildUniformBuffer(v, description, buffer); - break; - } -} - -} // namespace Rhi -} // namespace Render -} // namespace Qt3DRender - -QT_END_NAMESPACE |