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magnum/src/Magnum/Mesh.cpp

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/*
This file is part of Magnum.
Copyright © 2010, 2011, 2012, 2013, 2014, 2015
Vladimír Vondruš <mosra@centrum.cz>
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
*/
#include "Mesh.h"
#include <Corrade/Utility/Debug.h>
#include "Magnum/AbstractShaderProgram.h"
#include "Magnum/Buffer.h"
#include "Magnum/Context.h"
#include "Magnum/Extensions.h"
#ifndef MAGNUM_TARGET_WEBGL
#include "Implementation/DebugState.h"
#endif
#include "Implementation/BufferState.h"
#include "Implementation/MeshState.h"
#include "Implementation/State.h"
namespace Magnum {
#ifdef MAGNUM_BUILD_DEPRECATED
Int Mesh::maxVertexAttributes() { return AbstractShaderProgram::maxVertexAttributes(); }
#endif
#ifndef MAGNUM_TARGET_GLES2
#ifndef MAGNUM_TARGET_WEBGL
Long Mesh::maxElementIndex()
#else
Int Mesh::maxElementIndex()
#endif
{
#ifndef MAGNUM_TARGET_GLES
if(!Context::current()->isExtensionSupported<Extensions::GL::ARB::ES3_compatibility>())
return 0xFFFFFFFFl;
#endif
#ifndef MAGNUM_TARGET_WEBGL
GLint64& value =
#else
GLint& value =
#endif
Context::current()->state().mesh->maxElementIndex;
/* Get the value, if not already cached */
if(value == 0) {
#ifndef MAGNUM_TARGET_WEBGL
glGetInteger64v(GL_MAX_ELEMENT_INDEX, &value);
#else
glGetIntegerv(GL_MAX_ELEMENT_INDEX, &value);
#endif
}
return value;
}
Int Mesh::maxElementsIndices() {
GLint& value = Context::current()->state().mesh->maxElementsIndices;
/* Get the value, if not already cached */
if(value == 0)
glGetIntegerv(GL_MAX_ELEMENTS_INDICES, &value);
return value;
}
Int Mesh::maxElementsVertices() {
GLint& value = Context::current()->state().mesh->maxElementsVertices;
/* Get the value, if not already cached */
if(value == 0)
glGetIntegerv(GL_MAX_ELEMENTS_VERTICES, &value);
return value;
}
#endif
std::size_t Mesh::indexSize(IndexType type) {
switch(type) {
case IndexType::UnsignedByte: return 1;
case IndexType::UnsignedShort: return 2;
case IndexType::UnsignedInt: return 4;
}
CORRADE_ASSERT_UNREACHABLE();
}
Mesh::Mesh(const MeshPrimitive primitive): _primitive{primitive}, _flags{ObjectFlag::DeleteOnDestruction}, _count{0}, _baseVertex{0}, _instanceCount{1},
#ifndef MAGNUM_TARGET_GLES
_baseInstance{0},
#endif
#ifndef MAGNUM_TARGET_GLES2
_indexStart(0), _indexEnd(0),
#endif
_indexOffset(0), _indexType(IndexType::UnsignedInt), _indexBuffer(nullptr)
{
(this->*Context::current()->state().mesh->createImplementation)();
}
Mesh::~Mesh() {
/* Moved out or not deleting on destruction, nothing to do */
if(!_id || !(_flags & ObjectFlag::DeleteOnDestruction)) return;
/* Remove current vao from the state */
GLuint& current = Context::current()->state().mesh->currentVAO;
if(current == _id) current = 0;
(this->*Context::current()->state().mesh->destroyImplementation)();
}
Mesh::Mesh(Mesh&& other) noexcept: _id(other._id), _primitive(other._primitive), _flags{other._flags}, _count(other._count), _baseVertex{other._baseVertex}, _instanceCount{other._instanceCount},
#ifndef MAGNUM_TARGET_GLES
_baseInstance{other._baseInstance},
#endif
#ifndef MAGNUM_TARGET_GLES2
_indexStart(other._indexStart), _indexEnd(other._indexEnd),
#endif
_indexOffset(other._indexOffset), _indexType(other._indexType), _indexBuffer(other._indexBuffer), _attributes(std::move(other._attributes))
#ifndef MAGNUM_TARGET_GLES2
, _integerAttributes(std::move(other._integerAttributes))
#ifndef MAGNUM_TARGET_GLES
, _longAttributes(std::move(other._longAttributes))
#endif
#endif
{
other._id = 0;
}
Mesh& Mesh::operator=(Mesh&& other) noexcept {
using std::swap;
swap(_id, other._id);
swap(_flags, other._flags);
swap(_primitive, other._primitive);
swap(_count, other._count);
swap(_baseVertex, other._baseVertex);
swap(_instanceCount, other._instanceCount);
#ifndef MAGNUM_TARGET_GLES
swap(_baseInstance, other._baseInstance);
#endif
#ifndef MAGNUM_TARGET_GLES2
swap(_indexStart, other._indexStart);
swap(_indexEnd, other._indexEnd);
#endif
swap(_indexOffset, other._indexOffset);
swap(_indexType, other._indexType);
swap(_indexBuffer, other._indexBuffer);
swap(_attributes, other._attributes);
#ifndef MAGNUM_TARGET_GLES2
swap(_integerAttributes, other._integerAttributes);
#ifndef MAGNUM_TARGET_GLES
swap(_longAttributes, other._longAttributes);
#endif
#endif
return *this;
}
inline void Mesh::createIfNotAlready() {
/* If VAO extension is not available, the following is always true */
if(_flags & ObjectFlag::Created) return;
/* glGen*() does not create the object, just reserves the name. Some
commands (such as glObjectLabel()) operate with IDs directly and they
require the object to be created. Binding the VAO finally creates it.
Also all EXT DSA functions implicitly create it. */
bindVAO();
CORRADE_INTERNAL_ASSERT(_flags & ObjectFlag::Created);
}
#ifndef MAGNUM_TARGET_WEBGL
std::string Mesh::label() {
createIfNotAlready();
#ifndef MAGNUM_TARGET_GLES
return Context::current()->state().debug->getLabelImplementation(GL_VERTEX_ARRAY, _id);
#else
return Context::current()->state().debug->getLabelImplementation(GL_VERTEX_ARRAY_KHR, _id);
#endif
}
Mesh& Mesh::setLabelInternal(const Containers::ArrayView<const char> label) {
createIfNotAlready();
#ifndef MAGNUM_TARGET_GLES
Context::current()->state().debug->labelImplementation(GL_VERTEX_ARRAY, _id, label);
#else
Context::current()->state().debug->labelImplementation(GL_VERTEX_ARRAY_KHR, _id, label);
#endif
return *this;
}
#endif
Mesh& Mesh::setIndexBuffer(Buffer& buffer, GLintptr offset, IndexType type, UnsignedInt start, UnsignedInt end) {
#if defined(CORRADE_TARGET_NACL) || defined(MAGNUM_TARGET_WEBGL)
CORRADE_ASSERT(buffer.targetHint() == Buffer::TargetHint::ElementArray,
"Mesh::setIndexBuffer(): the buffer has unexpected target hint, expected" << Buffer::TargetHint::ElementArray << "but got" << buffer.targetHint(), *this);
#endif
_indexBuffer = &buffer;
_indexOffset = offset;
_indexType = type;
#ifndef MAGNUM_TARGET_GLES2
_indexStart = start;
_indexEnd = end;
#else
static_cast<void>(start);
static_cast<void>(end);
#endif
(this->*Context::current()->state().mesh->bindIndexBufferImplementation)(buffer);
return *this;
}
void Mesh::draw(AbstractShaderProgram& shader) {
shader.use();
#ifndef MAGNUM_TARGET_GLES
drawInternal(_count, _baseVertex, _instanceCount, _baseInstance, _indexOffset, _indexStart, _indexEnd);
#elif !defined(MAGNUM_TARGET_GLES2)
drawInternal(_count, _baseVertex, _instanceCount, _indexOffset, _indexStart, _indexEnd);
#else
drawInternal(_count, _baseVertex, _instanceCount, _indexOffset);
#endif
}
#ifndef MAGNUM_TARGET_GLES
void Mesh::drawInternal(Int count, Int baseVertex, Int instanceCount, UnsignedInt baseInstance, GLintptr indexOffset, Int indexStart, Int indexEnd)
#elif !defined(MAGNUM_TARGET_GLES2)
void Mesh::drawInternal(Int count, Int baseVertex, Int instanceCount, GLintptr indexOffset, Int indexStart, Int indexEnd)
#else
void Mesh::drawInternal(Int count, Int baseVertex, Int instanceCount, GLintptr indexOffset)
#endif
{
const Implementation::MeshState& state = *Context::current()->state().mesh;
/* Nothing to draw */
if(!count || !instanceCount) return;
(this->*state.bindImplementation)();
/* Non-instanced mesh */
if(instanceCount == 1) {
/* Non-indexed mesh */
if(!_indexBuffer) {
glDrawArrays(GLenum(_primitive), baseVertex, count);
/* Indexed mesh with base vertex */
} else if(baseVertex) {
#ifndef MAGNUM_TARGET_GLES
/* Indexed mesh with specified range */
if(indexEnd) {
glDrawRangeElementsBaseVertex(GLenum(_primitive), indexStart, indexEnd, count, GLenum(_indexType), reinterpret_cast<GLvoid*>(indexOffset), baseVertex);
/* Indexed mesh */
} else glDrawElementsBaseVertex(GLenum(_primitive), count, GLenum(_indexType), reinterpret_cast<GLvoid*>(indexOffset), baseVertex);
#else
CORRADE_ASSERT(false, "Mesh::draw(): desktop OpenGL is required for base vertex specification in indexed meshes", );
#endif
/* Indexed mesh */
} else {
/** @todo re-enable for WebGL 2.0 when glDrawRangeElements() no longer crashes Firefox */
#if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL)
/* Indexed mesh with specified range */
if(indexEnd) {
glDrawRangeElements(GLenum(_primitive), indexStart, indexEnd, count, GLenum(_indexType), reinterpret_cast<GLvoid*>(indexOffset));
/* Indexed mesh */
} else
#endif
{
glDrawElements(GLenum(_primitive), count, GLenum(_indexType), reinterpret_cast<GLvoid*>(indexOffset));
}
}
/* Instanced mesh */
} else {
/* Non-indexed mesh */
if(!_indexBuffer) {
#ifndef MAGNUM_TARGET_GLES
/* Non-indexed mesh with base instance */
if(baseInstance) {
glDrawArraysInstancedBaseInstance(GLenum(_primitive), baseVertex, count, instanceCount, baseInstance);
/* Non-indexed mesh */
} else
#endif
{
#ifndef MAGNUM_TARGET_GLES2
glDrawArraysInstanced(GLenum(_primitive), baseVertex, count, instanceCount);
#else
(this->*state.drawArraysInstancedImplementation)(baseVertex, count, instanceCount);
#endif
}
/* Indexed mesh with base vertex */
} else if(baseVertex) {
#ifndef MAGNUM_TARGET_GLES
/* Indexed mesh with base vertex and base instance */
if(baseInstance)
glDrawElementsInstancedBaseVertexBaseInstance(GLenum(_primitive), count, GLenum(_indexType), reinterpret_cast<GLvoid*>(indexOffset), instanceCount, baseVertex, baseInstance);
/* Indexed mesh with base vertex */
else
glDrawElementsInstancedBaseVertex(GLenum(_primitive), count, GLenum(_indexType), reinterpret_cast<GLvoid*>(indexOffset), instanceCount, baseVertex);
#else
CORRADE_ASSERT(false, "Mesh::draw(): desktop OpenGL is required for base vertex specification in indexed meshes", );
#endif
/* Indexed mesh */
} else {
#ifndef MAGNUM_TARGET_GLES
/* Indexed mesh with base instance */
if(baseInstance) {
glDrawElementsInstancedBaseInstance(GLenum(_primitive), count, GLenum(_indexType), reinterpret_cast<GLvoid*>(indexOffset), instanceCount, baseInstance);
/* Instanced mesh */
} else
#endif
{
#ifndef MAGNUM_TARGET_GLES2
glDrawElementsInstanced(GLenum(_primitive), count, GLenum(_indexType), reinterpret_cast<GLvoid*>(indexOffset), instanceCount);
#else
(this->*state.drawElementsInstancedImplementation)(count, indexOffset, instanceCount);
#endif
}
}
}
(this->*state.unbindImplementation)();
}
void Mesh::bindVAO() {
GLuint& current = Context::current()->state().mesh->currentVAO;
if(current != _id) {
/* Binding the VAO finally creates it */
_flags |= ObjectFlag::Created;
#ifndef MAGNUM_TARGET_GLES2
glBindVertexArray(current = _id);
#elif !defined(CORRADE_TARGET_NACL)
glBindVertexArrayOES(current = _id);
#else
CORRADE_ASSERT_UNREACHABLE();
#endif
}
}
void Mesh::createImplementationDefault() {
_id = 0;
_flags |= ObjectFlag::Created;
}
void Mesh::createImplementationVAO() {
#ifndef MAGNUM_TARGET_GLES2
glGenVertexArrays(1, &_id);
#elif !defined(CORRADE_TARGET_NACL)
glGenVertexArraysOES(1, &_id);
#else
CORRADE_ASSERT_UNREACHABLE();
#endif
CORRADE_INTERNAL_ASSERT(_id != Implementation::State::DisengagedBinding);
}
#ifndef MAGNUM_TARGET_GLES
void Mesh::createImplementationVAODSA() {
glCreateVertexArrays(1, &_id);
_flags |= ObjectFlag::Created;
}
#endif
void Mesh::destroyImplementationDefault() {}
void Mesh::destroyImplementationVAO() {
#ifndef MAGNUM_TARGET_GLES2
glDeleteVertexArrays(1, &_id);
#elif !defined(CORRADE_TARGET_NACL)
glDeleteVertexArraysOES(1, &_id);
#else
CORRADE_ASSERT_UNREACHABLE();
#endif
}
void Mesh::attributePointerInternal(const GenericAttribute& attribute) {
(this->*Context::current()->state().mesh->attributePointerImplementation)(attribute);
}
void Mesh::attributePointerImplementationDefault(const GenericAttribute& attribute) {
#if defined(CORRADE_TARGET_NACL) || defined(MAGNUM_TARGET_WEBGL)
CORRADE_ASSERT(attribute.buffer->targetHint() == Buffer::TargetHint::Array,
"Mesh::addVertexBuffer(): the buffer has unexpected target hint, expected" << Buffer::TargetHint::Array << "but got" << attribute.buffer->targetHint(), );
#endif
_attributes.push_back(attribute);
}
void Mesh::attributePointerImplementationVAO(const GenericAttribute& attribute) {
#if defined(CORRADE_TARGET_NACL) || defined(MAGNUM_TARGET_WEBGL)
CORRADE_ASSERT(attribute.buffer->targetHint() == Buffer::TargetHint::Array,
"Mesh::addVertexBuffer(): the buffer has unexpected target hint, expected" << Buffer::TargetHint::Array << "but got" << attribute.buffer->targetHint(), );
#endif
bindVAO();
vertexAttribPointer(attribute);
}
#ifndef MAGNUM_TARGET_GLES
void Mesh::attributePointerImplementationDSAEXT(const GenericAttribute& attribute) {
_flags |= ObjectFlag::Created;
glEnableVertexArrayAttribEXT(_id, attribute.location);
glVertexArrayVertexAttribOffsetEXT(_id, attribute.buffer->id(), attribute.location, attribute.size, attribute.type, attribute.normalized, attribute.stride, attribute.offset);
if(attribute.divisor)
(this->*Context::current()->state().mesh->vertexAttribDivisorImplementation)(attribute.location, attribute.divisor);
}
#endif
void Mesh::vertexAttribPointer(const GenericAttribute& attribute) {
glEnableVertexAttribArray(attribute.location);
attribute.buffer->bindInternal(Buffer::TargetHint::Array);
glVertexAttribPointer(attribute.location, attribute.size, attribute.type, attribute.normalized, attribute.stride, reinterpret_cast<const GLvoid*>(attribute.offset));
if(attribute.divisor) {
#ifndef MAGNUM_TARGET_GLES2
glVertexAttribDivisor(attribute.location, attribute.divisor);
#else
(this->*Context::current()->state().mesh->vertexAttribDivisorImplementation)(attribute.location, attribute.divisor);
#endif
}
}
#ifndef MAGNUM_TARGET_GLES2
void Mesh::attributePointerInternal(const IntegerAttribute& attribute) {
(this->*Context::current()->state().mesh->attributeIPointerImplementation)(attribute);
}
void Mesh::attributePointerImplementationDefault(const IntegerAttribute& attribute) {
_integerAttributes.push_back(attribute);
}
void Mesh::attributePointerImplementationVAO(const IntegerAttribute& attribute) {
bindVAO();
vertexAttribPointer(attribute);
}
#ifndef MAGNUM_TARGET_GLES
void Mesh::attributePointerImplementationDSAEXT(const IntegerAttribute& attribute) {
_flags |= ObjectFlag::Created;
glEnableVertexArrayAttribEXT(_id, attribute.location);
glVertexArrayVertexAttribIOffsetEXT(_id, attribute.buffer->id(), attribute.location, attribute.size, attribute.type, attribute.stride, attribute.offset);
if(attribute.divisor)
(this->*Context::current()->state().mesh->vertexAttribDivisorImplementation)(attribute.location, attribute.divisor);
}
#endif
void Mesh::vertexAttribPointer(const IntegerAttribute& attribute) {
glEnableVertexAttribArray(attribute.location);
attribute.buffer->bindInternal(Buffer::TargetHint::Array);
glVertexAttribIPointer(attribute.location, attribute.size, attribute.type, attribute.stride, reinterpret_cast<const GLvoid*>(attribute.offset));
if(attribute.divisor) glVertexAttribDivisor(attribute.location, attribute.divisor);
}
#endif
#ifndef MAGNUM_TARGET_GLES
void Mesh::attributePointerInternal(const LongAttribute& attribute) {
(this->*Context::current()->state().mesh->attributeLPointerImplementation)(attribute);
}
void Mesh::attributePointerImplementationDefault(const LongAttribute& attribute) {
_longAttributes.push_back(attribute);
}
void Mesh::attributePointerImplementationVAO(const LongAttribute& attribute) {
bindVAO();
vertexAttribPointer(attribute);
}
void Mesh::attributePointerImplementationDSAEXT(const LongAttribute& attribute) {
_flags |= ObjectFlag::Created;
glEnableVertexArrayAttribEXT(_id, attribute.location);
glVertexArrayVertexAttribLOffsetEXT(_id, attribute.buffer->id(), attribute.location, attribute.size, attribute.type, attribute.stride, attribute.offset);
if(attribute.divisor)
(this->*Context::current()->state().mesh->vertexAttribDivisorImplementation)(attribute.location, attribute.divisor);
}
void Mesh::vertexAttribPointer(const LongAttribute& attribute) {
glEnableVertexAttribArray(attribute.location);
attribute.buffer->bindInternal(Buffer::TargetHint::Array);
glVertexAttribLPointer(attribute.location, attribute.size, attribute.type, attribute.stride, reinterpret_cast<const GLvoid*>(attribute.offset));
if(attribute.divisor) glVertexAttribDivisor(attribute.location, attribute.divisor);
}
#endif
#ifndef MAGNUM_TARGET_GLES
void Mesh::vertexAttribDivisorImplementationVAO(const GLuint index, const GLuint divisor) {
bindVAO();
glVertexAttribDivisor(index, divisor);
}
void Mesh::vertexAttribDivisorImplementationDSAEXT(const GLuint index, const GLuint divisor) {
glVertexArrayVertexAttribDivisorEXT(_id, index, divisor);
}
#elif defined(MAGNUM_TARGET_GLES2)
void Mesh::vertexAttribDivisorImplementationANGLE(const GLuint index, const GLuint divisor) {
#ifndef CORRADE_TARGET_NACL
glVertexAttribDivisorANGLE(index, divisor);
#else
static_cast<void>(index);
static_cast<void>(divisor);
CORRADE_ASSERT_UNREACHABLE();
#endif
}
#ifndef MAGNUM_TARGET_WEBGL
void Mesh::vertexAttribDivisorImplementationEXT(const GLuint index, const GLuint divisor) {
#ifndef CORRADE_TARGET_NACL
glVertexAttribDivisorEXT(index, divisor);
#else
static_cast<void>(index);
static_cast<void>(divisor);
CORRADE_ASSERT_UNREACHABLE();
#endif
}
void Mesh::vertexAttribDivisorImplementationNV(const GLuint index, const GLuint divisor) {
#ifndef CORRADE_TARGET_NACL
glVertexAttribDivisorNV(index, divisor);
#else
static_cast<void>(index);
static_cast<void>(divisor);
CORRADE_ASSERT_UNREACHABLE();
#endif
}
#endif
#endif
void Mesh::bindIndexBufferImplementationDefault(Buffer&) {}
void Mesh::bindIndexBufferImplementationVAO(Buffer& buffer) {
bindVAO();
/* Reset ElementArray binding to force explicit glBindBuffer call later */
/** @todo Do this cleaner way */
Context::current()->state().buffer->bindings[Implementation::BufferState::indexForTarget(Buffer::TargetHint::ElementArray)] = 0;
buffer.bindInternal(Buffer::TargetHint::ElementArray);
}
void Mesh::bindImplementationDefault() {
/* Specify vertex attributes */
for(const GenericAttribute& attribute: _attributes)
vertexAttribPointer(attribute);
#ifndef MAGNUM_TARGET_GLES2
for(const IntegerAttribute& attribute: _integerAttributes)
vertexAttribPointer(attribute);
#ifndef MAGNUM_TARGET_GLES
for(const LongAttribute& attribute: _longAttributes)
vertexAttribPointer(attribute);
#endif
#endif
/* Bind index buffer, if the mesh is indexed */
if(_indexBuffer) _indexBuffer->bindInternal(Buffer::TargetHint::ElementArray);
}
void Mesh::bindImplementationVAO() {
bindVAO();
}
void Mesh::unbindImplementationDefault() {
for(const GenericAttribute& attribute: _attributes)
glDisableVertexAttribArray(attribute.location);
#ifndef MAGNUM_TARGET_GLES2
for(const IntegerAttribute& attribute: _integerAttributes)
glDisableVertexAttribArray(attribute.location);
#ifndef MAGNUM_TARGET_GLES
for(const LongAttribute& attribute: _longAttributes)
glDisableVertexAttribArray(attribute.location);
#endif
#endif
}
void Mesh::unbindImplementationVAO() {}
#ifdef MAGNUM_TARGET_GLES2
void Mesh::drawArraysInstancedImplementationANGLE(const GLint baseVertex, const GLsizei count, const GLsizei instanceCount) {
#ifndef CORRADE_TARGET_NACL
glDrawArraysInstancedANGLE(GLenum(_primitive), baseVertex, count, instanceCount);
#else
static_cast<void>(baseVertex);
static_cast<void>(count);
static_cast<void>(instanceCount);
CORRADE_ASSERT_UNREACHABLE();
#endif
}
#ifndef MAGNUM_TARGET_WEBGL
void Mesh::drawArraysInstancedImplementationEXT(const GLint baseVertex, const GLsizei count, const GLsizei instanceCount) {
#ifndef CORRADE_TARGET_NACL
glDrawArraysInstancedEXT(GLenum(_primitive), baseVertex, count, instanceCount);
#else
static_cast<void>(baseVertex);
static_cast<void>(count);
static_cast<void>(instanceCount);
CORRADE_ASSERT_UNREACHABLE();
#endif
}
void Mesh::drawArraysInstancedImplementationNV(const GLint baseVertex, const GLsizei count, const GLsizei instanceCount) {
#ifndef CORRADE_TARGET_NACL
glDrawArraysInstancedNV(GLenum(_primitive), baseVertex, count, instanceCount);
#else
static_cast<void>(baseVertex);
static_cast<void>(count);
static_cast<void>(instanceCount);
CORRADE_ASSERT_UNREACHABLE();
#endif
}
#endif
void Mesh::drawElementsInstancedImplementationANGLE(const GLsizei count, const GLintptr indexOffset, const GLsizei instanceCount) {
#ifndef CORRADE_TARGET_NACL
glDrawElementsInstancedANGLE(GLenum(_primitive), count, GLenum(_indexType), reinterpret_cast<GLvoid*>(indexOffset), instanceCount);
#else
static_cast<void>(count);
static_cast<void>(indexOffset);
static_cast<void>(instanceCount);
CORRADE_ASSERT_UNREACHABLE();
#endif
}
#ifndef MAGNUM_TARGET_WEBGL
void Mesh::drawElementsInstancedImplementationEXT(const GLsizei count, const GLintptr indexOffset, const GLsizei instanceCount) {
#ifndef CORRADE_TARGET_NACL
glDrawElementsInstancedEXT(GLenum(_primitive), count, GLenum(_indexType), reinterpret_cast<GLvoid*>(indexOffset), instanceCount);
#else
static_cast<void>(count);
static_cast<void>(indexOffset);
static_cast<void>(instanceCount);
CORRADE_ASSERT_UNREACHABLE();
#endif
}
void Mesh::drawElementsInstancedImplementationNV(const GLsizei count, const GLintptr indexOffset, const GLsizei instanceCount) {
#ifndef CORRADE_TARGET_NACL
glDrawElementsInstancedNV(GLenum(_primitive), count, GLenum(_indexType), reinterpret_cast<GLvoid*>(indexOffset), instanceCount);
#else
static_cast<void>(count);
static_cast<void>(indexOffset);
static_cast<void>(instanceCount);
CORRADE_ASSERT_UNREACHABLE();
#endif
}
#endif
#endif
#ifndef DOXYGEN_GENERATING_OUTPUT
Debug operator<<(Debug debug, MeshPrimitive value) {
switch(value) {
#define _c(value) case MeshPrimitive::value: return debug << "MeshPrimitive::" #value;
_c(Points)
_c(LineStrip)
_c(LineLoop)
_c(Lines)
#ifndef MAGNUM_TARGET_GLES
_c(LineStripAdjacency)
_c(LinesAdjacency)
#endif
_c(TriangleStrip)
_c(TriangleFan)
_c(Triangles)
#ifndef MAGNUM_TARGET_GLES
_c(TriangleStripAdjacency)
_c(TrianglesAdjacency)
_c(Patches)
#endif
#undef _c
}
return debug << "MeshPrimitive::(invalid)";
}
Debug operator<<(Debug debug, Mesh::IndexType value) {
switch(value) {
#define _c(value) case Mesh::IndexType::value: return debug << "Mesh::IndexType::" #value;
_c(UnsignedByte)
_c(UnsignedShort)
_c(UnsignedInt)
#undef _c
}
return debug << "Mesh::IndexType::(invalid)";
}
#endif
}
namespace Corrade { namespace Utility {
std::string ConfigurationValue<Magnum::MeshPrimitive>::toString(Magnum::MeshPrimitive value, ConfigurationValueFlags) {
switch(value) {
#define _c(value) case Magnum::MeshPrimitive::value: return #value;
_c(Points)
_c(LineStrip)
_c(LineLoop)
_c(Lines)
#ifndef MAGNUM_TARGET_GLES
_c(LineStripAdjacency)
_c(LinesAdjacency)
#endif
_c(TriangleStrip)
_c(TriangleFan)
_c(Triangles)
#ifndef MAGNUM_TARGET_GLES
_c(TriangleStripAdjacency)
_c(TrianglesAdjacency)
_c(Patches)
#endif
#undef _c
}
return {};
}
Magnum::MeshPrimitive ConfigurationValue<Magnum::MeshPrimitive>::fromString(const std::string& stringValue, ConfigurationValueFlags) {
#define _c(value) if(stringValue == #value) return Magnum::MeshPrimitive::value;
_c(LineStrip)
_c(LineLoop)
_c(Lines)
#ifndef MAGNUM_TARGET_GLES
_c(LineStripAdjacency)
_c(LinesAdjacency)
#endif
_c(TriangleStrip)
_c(TriangleFan)
_c(Triangles)
#ifndef MAGNUM_TARGET_GLES
_c(TriangleStripAdjacency)
_c(TrianglesAdjacency)
_c(Patches)
#endif
#undef _c
return Magnum::MeshPrimitive::Points;
}
std::string ConfigurationValue<Magnum::Mesh::IndexType>::toString(Magnum::Mesh::IndexType value, ConfigurationValueFlags) {
switch(value) {
#define _c(value) case Magnum::Mesh::IndexType::value: return #value;
_c(UnsignedByte)
_c(UnsignedShort)
_c(UnsignedInt)
#undef _c
}
return {};
}
Magnum::Mesh::IndexType ConfigurationValue<Magnum::Mesh::IndexType>::fromString(const std::string& stringValue, ConfigurationValueFlags) {
#define _c(value) if(stringValue == #value) return Magnum::Mesh::IndexType::value;
_c(UnsignedByte)
_c(UnsignedShort)
_c(UnsignedInt)
#undef _c
return Magnum::Mesh::IndexType::UnsignedInt;
}
}}