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AbstractTexture.cpp
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AbstractTexture.cpp
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/*
This file is part of Magnum.
Copyright © 2010, 2011, 2012, 2013, 2014
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 "AbstractTexture.h"
#ifndef MAGNUM_TARGET_GLES2
#include "Magnum/BufferImage.h"
#endif
#include "Magnum/Array.h"
#include "Magnum/Color.h"
#include "Magnum/ColorFormat.h"
#include "Magnum/Context.h"
#include "Magnum/Extensions.h"
#include "Magnum/Image.h"
#include "Magnum/TextureFormat.h"
#ifdef MAGNUM_BUILD_DEPRECATED
#include "Magnum/Shader.h"
#endif
#include "Implementation/DebugState.h"
#include "Implementation/State.h"
#include "Implementation/TextureState.h"
namespace Magnum {
#ifdef MAGNUM_BUILD_DEPRECATED
Int AbstractTexture::maxLayers() { return Shader::maxCombinedTextureImageUnits(); }
#endif
#ifndef MAGNUM_TARGET_GLES
Int AbstractTexture::maxColorSamples() {
if(!Context::current()->isExtensionSupported<Extensions::GL::ARB::texture_multisample>())
return 0;
GLint& value = Context::current()->state().texture->maxColorSamples;
/* Get the value, if not already cached */
if(value == 0)
glGetIntegerv(GL_MAX_COLOR_TEXTURE_SAMPLES, &value);
return value;
}
Int AbstractTexture::maxDepthSamples() {
if(!Context::current()->isExtensionSupported<Extensions::GL::ARB::texture_multisample>())
return 0;
GLint& value = Context::current()->state().texture->maxDepthSamples;
/* Get the value, if not already cached */
if(value == 0)
glGetIntegerv(GL_MAX_DEPTH_TEXTURE_SAMPLES, &value);
return value;
}
Int AbstractTexture::maxIntegerSamples() {
if(!Context::current()->isExtensionSupported<Extensions::GL::ARB::texture_multisample>())
return 0;
GLint& value = Context::current()->state().texture->maxIntegerSamples;
/* Get the value, if not already cached */
if(value == 0)
glGetIntegerv(GL_MAX_INTEGER_SAMPLES, &value);
return value;
}
#endif
AbstractTexture::AbstractTexture(GLenum target): _target(target) {
glGenTextures(1, &_id);
}
AbstractTexture::~AbstractTexture() {
/* Moved out, nothing to do */
if(!_id) return;
/* Remove all bindings */
for(GLuint& binding: Context::current()->state().texture->bindings)
if(binding == _id) binding = 0;
glDeleteTextures(1, &_id);
}
std::string AbstractTexture::label() const {
return Context::current()->state().debug->getLabelImplementation(GL_TEXTURE, _id);
}
AbstractTexture& AbstractTexture::setLabel(const std::string& label) {
Context::current()->state().debug->labelImplementation(GL_TEXTURE, _id, label);
return *this;
}
void AbstractTexture::bind(Int textureUnit) {
Implementation::TextureState* const textureState = Context::current()->state().texture;
/* If already bound in given texture unit, nothing to do */
if(textureState->bindings[textureUnit] == _id) return;
(this->*Context::current()->state().texture->bindImplementation)(textureUnit);
}
void AbstractTexture::bindImplementationDefault(GLint textureUnit) {
Implementation::TextureState* const textureState = Context::current()->state().texture;
/* Activate given texture unit, if not already active */
if(textureState->currentTextureUnit != textureUnit)
glActiveTexture(GL_TEXTURE0 + (textureState->currentTextureUnit = textureUnit));
/* Bind the texture to the unit */
glBindTexture(_target, (textureState->bindings[textureUnit] = _id));
}
#ifndef MAGNUM_TARGET_GLES
void AbstractTexture::bindImplementationMulti(GLint textureUnit) {
/* Bind the texture to the unit, update state tracker */
Context::current()->state().texture->bindings[textureUnit] = _id;
glBindTextures(textureUnit, 1, &_id);
}
void AbstractTexture::bindImplementationDSA(GLint textureUnit) {
glBindMultiTextureEXT(GL_TEXTURE0 + textureUnit, _target, (Context::current()->state().texture->bindings[textureUnit] = _id));
}
#endif
#ifndef MAGNUM_TARGET_GLES2
void AbstractTexture::setBaseLevel(Int level) {
(this->*Context::current()->state().texture->parameteriImplementation)(GL_TEXTURE_BASE_LEVEL, level);
}
#endif
void AbstractTexture::setMaxLevel(Int level) {
(this->*Context::current()->state().texture->parameteriImplementation)(
#ifndef MAGNUM_TARGET_GLES2
GL_TEXTURE_MAX_LEVEL
#else
GL_TEXTURE_MAX_LEVEL_APPLE
#endif
, level);
}
void AbstractTexture::setMinificationFilter(Sampler::Filter filter, Sampler::Mipmap mipmap) {
(this->*Context::current()->state().texture->parameteriImplementation)(GL_TEXTURE_MIN_FILTER, GLint(filter)|GLint(mipmap));
}
void AbstractTexture::setMagnificationFilter(const Sampler::Filter filter) {
(this->*Context::current()->state().texture->parameteriImplementation)(GL_TEXTURE_MAG_FILTER, GLint(filter));
}
void AbstractTexture::setBorderColor(const Color4& color) {
#ifndef MAGNUM_TARGET_GLES
(this->*Context::current()->state().texture->parameterfvImplementation)(GL_TEXTURE_BORDER_COLOR, color.data());
#else
(this->*Context::current()->state().texture->parameterfvImplementation)(GL_TEXTURE_BORDER_COLOR_NV, color.data());
#endif
}
#ifndef MAGNUM_TARGET_GLES
void AbstractTexture::setBorderColor(const Vector4ui& color) {
(this->*Context::current()->state().texture->parameterIuivImplementation)(GL_TEXTURE_BORDER_COLOR, color.data());
}
void AbstractTexture::setBorderColor(const Vector4i& color) {
(this->*Context::current()->state().texture->parameterIivImplementation)(GL_TEXTURE_BORDER_COLOR, color.data());
}
#endif
void AbstractTexture::setMaxAnisotropy(const Float anisotropy) {
(this->*Context::current()->state().texture->setMaxAnisotropyImplementation)(anisotropy);
}
void AbstractTexture::invalidateImage(const Int level) {
(this->*Context::current()->state().texture->invalidateImageImplementation)(level);
}
void AbstractTexture::generateMipmap() {
(this->*Context::current()->state().texture->mipmapImplementation)();
}
void AbstractTexture::mipmapImplementationDefault() {
bindInternal();
glGenerateMipmap(_target);
}
#ifndef MAGNUM_TARGET_GLES
void AbstractTexture::mipmapImplementationDSA() {
glGenerateTextureMipmapEXT(_id, _target);
}
#endif
void AbstractTexture::bindInternal() {
/* Using glBindTextures() here is meaningless, because the non-DSA
functions need to have the texture bound in *currently active* unit,
so we would need to call glActiveTexture() afterwards anyway. */
Implementation::TextureState* const textureState = Context::current()->state().texture;
/* If the texture is already bound in current unit, nothing to do */
if(textureState->bindings[textureState->currentTextureUnit] == _id)
return;
/* Set internal unit as active if not already */
CORRADE_INTERNAL_ASSERT(textureState->maxTextureUnits > 1);
const GLint internalTextureUnit = textureState->maxTextureUnits-1;
if(textureState->currentTextureUnit != internalTextureUnit)
glActiveTexture(GL_TEXTURE0 + (textureState->currentTextureUnit = internalTextureUnit));
/* Bind the texture to internal unit, if not already */
if(textureState->bindings[internalTextureUnit] != _id)
glBindTexture(_target, (textureState->bindings[internalTextureUnit] = _id));
}
ColorFormat AbstractTexture::imageFormatForInternalFormat(const TextureFormat internalFormat) {
switch(internalFormat) {
case TextureFormat::Red:
#ifndef MAGNUM_TARGET_GLES2
case TextureFormat::R8:
case TextureFormat::R8Snorm:
#endif
#ifndef MAGNUM_TARGET_GLES
case TextureFormat::R16:
case TextureFormat::R16Snorm:
#endif
#ifndef MAGNUM_TARGET_GLES2
case TextureFormat::R16F:
case TextureFormat::R32F:
#endif
#ifndef MAGNUM_TARGET_GLES
case TextureFormat::CompressedRed:
case TextureFormat::CompressedRedRtgc1:
case TextureFormat::CompressedSignedRedRgtc1:
#endif
return ColorFormat::Red;
#ifndef MAGNUM_TARGET_GLES2
case TextureFormat::R8UI:
case TextureFormat::R8I:
case TextureFormat::R16UI:
case TextureFormat::R16I:
case TextureFormat::R32UI:
case TextureFormat::R32I:
return ColorFormat::RedInteger;
#endif
case TextureFormat::RG:
#ifndef MAGNUM_TARGET_GLES2
case TextureFormat::RG8:
case TextureFormat::RG8Snorm:
#endif
#ifndef MAGNUM_TARGET_GLES
case TextureFormat::RG16:
case TextureFormat::RG16Snorm:
#endif
#ifndef MAGNUM_TARGET_GLES2
case TextureFormat::RG16F:
case TextureFormat::RG32F:
#endif
#ifndef MAGNUM_TARGET_GLES
case TextureFormat::CompressedRG:
case TextureFormat::CompressedRGRgtc2:
case TextureFormat::CompressedSignedRGRgtc2:
#endif
return ColorFormat::RG;
#ifndef MAGNUM_TARGET_GLES2
case TextureFormat::RG8UI:
case TextureFormat::RG8I:
case TextureFormat::RG16UI:
case TextureFormat::RG16I:
case TextureFormat::RG32UI:
case TextureFormat::RG32I:
return ColorFormat::RGInteger;
#endif
case TextureFormat::RGB:
case TextureFormat::RGB8:
#ifndef MAGNUM_TARGET_GLES2
case TextureFormat::RGB8Snorm:
#endif
#ifndef MAGNUM_TARGET_GLES
case TextureFormat::RGB16:
case TextureFormat::RGB16Snorm:
#endif
#ifndef MAGNUM_TARGET_GLES2
case TextureFormat::RGB16F:
case TextureFormat::RGB32F:
#endif
#ifndef MAGNUM_TARGET_GLES
case TextureFormat::R3B3G2:
case TextureFormat::RGB4:
case TextureFormat::RGB5:
#endif
case TextureFormat::RGB565:
case TextureFormat::RGB10:
#ifndef MAGNUM_TARGET_GLES
case TextureFormat::RGB12:
#endif
#ifndef MAGNUM_TARGET_GLES2
case TextureFormat::R11FG11FB10F:
case TextureFormat::RGB9E5:
#endif
case TextureFormat::SRGB:
#ifndef MAGNUM_TARGET_GLES2
case TextureFormat::SRGB8:
#endif
#ifndef MAGNUM_TARGET_GLES
case TextureFormat::CompressedRGB:
case TextureFormat::CompressedRGBBptcUnsignedFloat:
case TextureFormat::CompressedRGBBptcSignedFloat:
#endif
return ColorFormat::RGB;
#ifndef MAGNUM_TARGET_GLES2
case TextureFormat::RGB8UI:
case TextureFormat::RGB8I:
case TextureFormat::RGB16UI:
case TextureFormat::RGB16I:
case TextureFormat::RGB32UI:
case TextureFormat::RGB32I:
return ColorFormat::RGBInteger;
#endif
case TextureFormat::RGBA:
case TextureFormat::RGBA8:
#ifndef MAGNUM_TARGET_GLES2
case TextureFormat::RGBA8Snorm:
#endif
#ifndef MAGNUM_TARGET_GLES
case TextureFormat::RGBA16:
case TextureFormat::RGBA16Snorm:
#endif
#ifndef MAGNUM_TARGET_GLES2
case TextureFormat::RGBA16F:
case TextureFormat::RGBA32F:
#endif
#ifndef MAGNUM_TARGET_GLES
case TextureFormat::RGBA2:
#endif
case TextureFormat::RGBA4:
case TextureFormat::RGB5A1:
case TextureFormat::RGB10A2:
#ifndef MAGNUM_TARGET_GLES
case TextureFormat::RGBA12:
#endif
case TextureFormat::SRGBAlpha:
#ifndef MAGNUM_TARGET_GLES2
case TextureFormat::SRGB8Alpha8:
#endif
#ifndef MAGNUM_TARGET_GLES
case TextureFormat::CompressedRGBA:
case TextureFormat::CompressedRGBABptcUnorm:
case TextureFormat::CompressedSRGBAlphaBptcUnorm:
#endif
return ColorFormat::RGBA;
#ifndef MAGNUM_TARGET_GLES2
case TextureFormat::RGBA8UI:
case TextureFormat::RGBA8I:
case TextureFormat::RGBA16UI:
case TextureFormat::RGBA16I:
case TextureFormat::RGBA32UI:
case TextureFormat::RGBA32I:
case TextureFormat::RGB10A2UI:
return ColorFormat::RGBAInteger;
#endif
#ifdef MAGNUM_TARGET_GLES2
case TextureFormat::Luminance:
return ColorFormat::Luminance;
case TextureFormat::LuminanceAlpha:
return ColorFormat::LuminanceAlpha;
#endif
case TextureFormat::DepthComponent:
case TextureFormat::DepthComponent16:
case TextureFormat::DepthComponent24:
case TextureFormat::DepthComponent32:
#ifndef MAGNUM_TARGET_GLES2
case TextureFormat::DepthComponent32F:
#endif
return ColorFormat::DepthComponent;
#ifndef MAGNUM_TARGET_GLES
case TextureFormat::StencilIndex8:
return ColorFormat::StencilIndex;
#endif
case TextureFormat::DepthStencil:
case TextureFormat::Depth24Stencil8:
#ifndef MAGNUM_TARGET_GLES2
case TextureFormat::Depth32FStencil8:
#endif
return ColorFormat::DepthStencil;
}
CORRADE_ASSERT_UNREACHABLE();
}
ColorType AbstractTexture::imageTypeForInternalFormat(const TextureFormat internalFormat) {
switch(internalFormat) {
case TextureFormat::Red:
case TextureFormat::RG:
case TextureFormat::RGB:
case TextureFormat::RGBA:
#ifndef MAGNUM_TARGET_GLES2
case TextureFormat::R8:
case TextureFormat::RG8:
#endif
case TextureFormat::RGB8:
case TextureFormat::RGBA8:
#ifndef MAGNUM_TARGET_GLES2
case TextureFormat::R8UI:
case TextureFormat::RG8UI:
case TextureFormat::RGB8UI:
case TextureFormat::RGBA8UI:
#endif
#ifdef MAGNUM_TARGET_GLES2
case TextureFormat::Luminance:
case TextureFormat::LuminanceAlpha:
#endif
case TextureFormat::SRGB:
case TextureFormat::SRGBAlpha:
#ifndef MAGNUM_TARGET_GLES2
case TextureFormat::SRGB8:
case TextureFormat::SRGB8Alpha8:
#endif
#ifndef MAGNUM_TARGET_GLES
case TextureFormat::RGBA2: /**< @todo really? */
case TextureFormat::CompressedRed:
case TextureFormat::CompressedRG:
case TextureFormat::CompressedRGB:
case TextureFormat::CompressedRGBA:
case TextureFormat::CompressedRedRtgc1:
case TextureFormat::CompressedRGRgtc2:
case TextureFormat::CompressedRGBABptcUnorm:
case TextureFormat::CompressedSRGBAlphaBptcUnorm:
#endif
return ColorType::UnsignedByte;
#ifndef MAGNUM_TARGET_GLES2
case TextureFormat::R8Snorm:
case TextureFormat::RG8Snorm:
case TextureFormat::RGB8Snorm:
case TextureFormat::RGBA8Snorm:
case TextureFormat::R8I:
case TextureFormat::RG8I:
case TextureFormat::RGB8I:
case TextureFormat::RGBA8I:
#ifndef MAGNUM_TARGET_GLES
case TextureFormat::CompressedSignedRedRgtc1:
case TextureFormat::CompressedSignedRGRgtc2:
#endif
return ColorType::Byte;
#endif
#ifndef MAGNUM_TARGET_GLES
case TextureFormat::R16:
case TextureFormat::RG16:
case TextureFormat::RGB16:
case TextureFormat::RGBA16:
#endif
#ifndef MAGNUM_TARGET_GLES2
case TextureFormat::R16UI:
case TextureFormat::RG16UI:
case TextureFormat::RGB16UI:
case TextureFormat::RGBA16UI:
#endif
#ifndef MAGNUM_TARGET_GLES
case TextureFormat::RGB12: /**< @todo really? */
#endif
case TextureFormat::RGBA4: /**< @todo really? */
#ifndef MAGNUM_TARGET_GLES
case TextureFormat::RGBA12: /**< @todo really? */
#endif
return ColorType::UnsignedShort;
#ifndef MAGNUM_TARGET_GLES2
#ifndef MAGNUM_TARGET_GLES
case TextureFormat::R16Snorm:
case TextureFormat::RG16Snorm:
case TextureFormat::RGB16Snorm:
case TextureFormat::RGBA16Snorm:
#endif
case TextureFormat::R16I:
case TextureFormat::RG16I:
case TextureFormat::RGB16I:
case TextureFormat::RGBA16I:
return ColorType::Short;
#endif
#ifndef MAGNUM_TARGET_GLES2
case TextureFormat::R16F:
case TextureFormat::RG16F:
case TextureFormat::RGB16F:
case TextureFormat::RGBA16F:
return ColorType::HalfFloat;
case TextureFormat::R32UI:
case TextureFormat::RG32UI:
case TextureFormat::RGB32UI:
case TextureFormat::RGBA32UI:
return ColorType::UnsignedInt;
case TextureFormat::R32I:
case TextureFormat::RG32I:
case TextureFormat::RGB32I:
case TextureFormat::RGBA32I:
return ColorType::Int;
case TextureFormat::R32F:
case TextureFormat::RG32F:
case TextureFormat::RGB32F:
case TextureFormat::RGBA32F:
#ifndef MAGNUM_TARGET_GLES
case TextureFormat::CompressedRGBBptcUnsignedFloat:
case TextureFormat::CompressedRGBBptcSignedFloat:
#endif
return ColorType::Float;
#endif
#ifndef MAGNUM_TARGET_GLES
case TextureFormat::R3B3G2:
return ColorType::UnsignedByte332;
case TextureFormat::RGB4:
return ColorType::UnsignedShort4444;
#endif
#ifndef MAGNUM_TARGET_GLES
case TextureFormat::RGB5:
#endif
case TextureFormat::RGB5A1:
return ColorType::UnsignedShort5551;
case TextureFormat::RGB565:
return ColorType::UnsignedShort565;
case TextureFormat::RGB10:
case TextureFormat::RGB10A2:
#ifndef MAGNUM_TARGET_GLES2
case TextureFormat::RGB10A2UI:
#endif
return ColorType::UnsignedInt2101010Rev; /**< @todo Rev for all? */
#ifndef MAGNUM_TARGET_GLES2
case TextureFormat::R11FG11FB10F:
return ColorType::UnsignedInt10F11F11FRev;
case TextureFormat::RGB9E5:
return ColorType::UnsignedInt5999Rev;
#endif
case TextureFormat::DepthComponent16:
return ColorType::UnsignedShort;
case TextureFormat::DepthComponent:
case TextureFormat::DepthComponent24:
case TextureFormat::DepthComponent32:
return ColorType::UnsignedInt;
#ifndef MAGNUM_TARGET_GLES2
case TextureFormat::DepthComponent32F:
return ColorType::Float;
#endif
#ifndef MAGNUM_TARGET_GLES
case TextureFormat::StencilIndex8:
return ColorType::UnsignedByte;
#endif
case TextureFormat::DepthStencil:
case TextureFormat::Depth24Stencil8:
return ColorType::UnsignedInt248;
#ifndef MAGNUM_TARGET_GLES2
case TextureFormat::Depth32FStencil8:
return ColorType::Float32UnsignedInt248Rev;
#endif
}
CORRADE_ASSERT_UNREACHABLE();
}
void AbstractTexture::parameterImplementationDefault(GLenum parameter, GLint value) {
bindInternal();
glTexParameteri(_target, parameter, value);
}
#ifndef MAGNUM_TARGET_GLES
void AbstractTexture::parameterImplementationDSA(GLenum parameter, GLint value) {
glTextureParameteriEXT(_id, _target, parameter, value);
}
#endif
void AbstractTexture::parameterImplementationDefault(GLenum parameter, GLfloat value) {
bindInternal();
glTexParameterf(_target, parameter, value);
}
#ifndef MAGNUM_TARGET_GLES
void AbstractTexture::parameterImplementationDSA(GLenum parameter, GLfloat value) {
glTextureParameterfEXT(_id, _target, parameter, value);
}
#endif
void AbstractTexture::parameterImplementationDefault(GLenum parameter, const GLfloat* values) {
bindInternal();
glTexParameterfv(_target, parameter, values);
}
#ifndef MAGNUM_TARGET_GLES
void AbstractTexture::parameterImplementationDSA(GLenum parameter, const GLfloat* values) {
glTextureParameterfvEXT(_id, _target, parameter, values);
}
#endif
#ifndef MAGNUM_TARGET_GLES
void AbstractTexture::parameterImplementationDefault(GLenum parameter, const GLuint* values) {
bindInternal();
glTexParameterIuiv(_target, parameter, values);
}
void AbstractTexture::parameterImplementationDSA(GLenum parameter, const GLuint* values) {
glTextureParameterIuivEXT(_id, _target, parameter, values);
}
void AbstractTexture::parameterImplementationDefault(GLenum parameter, const GLint* values) {
bindInternal();
glTexParameterIiv(_target, parameter, values);
}
void AbstractTexture::parameterImplementationDSA(GLenum parameter, const GLint* values) {
glTextureParameterIivEXT(_id, _target, parameter, values);
}
#endif
void AbstractTexture::setMaxAnisotropyImplementationNoOp(GLfloat) {}
void AbstractTexture::setMaxAnisotropyImplementationExt(GLfloat anisotropy) {
(this->*Context::current()->state().texture->parameterfImplementation)(GL_TEXTURE_MAX_ANISOTROPY_EXT, anisotropy);
}
#ifndef MAGNUM_TARGET_GLES
void AbstractTexture::getLevelParameterImplementationDefault(GLenum target, GLint level, GLenum parameter, GLint* values) {
bindInternal();
glGetTexLevelParameteriv(target, level, parameter, values);
}
void AbstractTexture::getLevelParameterImplementationDSA(GLenum target, GLint level, GLenum parameter, GLint* values) {
glGetTextureLevelParameterivEXT(_id, target, level, parameter, values);
}
#endif
#ifndef MAGNUM_TARGET_GLES
void AbstractTexture::storageImplementationFallback(const GLenum target, const GLsizei levels, const TextureFormat internalFormat, const Math::Vector<1, GLsizei>& size) {
CORRADE_INTERNAL_ASSERT(target == GL_TEXTURE_1D);
const ColorFormat format = imageFormatForInternalFormat(internalFormat);
const ColorType type = imageTypeForInternalFormat(internalFormat);
for(GLsizei level = 0; level != levels; ++level) {
(this->*Context::current()->state().texture->image1DImplementation)(target, level, internalFormat, Math::max(Math::Vector<1, GLsizei>(1), size >> level), format, type, nullptr);
}
}
void AbstractTexture::storageImplementationDefault(GLenum target, GLsizei levels, TextureFormat internalFormat, const Math::Vector<1, GLsizei>& size) {
bindInternal();
/** @todo Re-enable when extension loader is available for ES */
#ifndef MAGNUM_TARGET_GLES2
glTexStorage1D(target, levels, GLenum(internalFormat), size[0]);
#else
static_cast<void>(target);
static_cast<void>(levels);
static_cast<void>(internalFormat);
static_cast<void>(size);
CORRADE_INTERNAL_ASSERT(false);
//glTexStorage2DEXT(target, levels, GLenum(internalFormat), size.x(), size.y());
#endif
}
void AbstractTexture::storageImplementationDSA(GLenum target, GLsizei levels, TextureFormat internalFormat, const Math::Vector<1, GLsizei>& size) {
glTextureStorage1DEXT(_id, target, levels, GLenum(internalFormat), size[0]);
}
#endif
void AbstractTexture::storageImplementationFallback(const GLenum target, const GLsizei levels, const TextureFormat internalFormat, const Vector2i& size) {
const ColorFormat format = imageFormatForInternalFormat(internalFormat);
const ColorType type = imageTypeForInternalFormat(internalFormat);
/* Common code for classic types */
#ifndef MAGNUM_TARGET_GLES
if(target == GL_TEXTURE_2D || target == GL_TEXTURE_RECTANGLE)
#else
if(target == GL_TEXTURE_2D)
#endif
{
for(GLsizei level = 0; level != levels; ++level) {
(this->*Context::current()->state().texture->image2DImplementation)(target, level, internalFormat, Math::max(Vector2i(1), size >> level), format, type, nullptr);
}
/* Cube map additionally needs to specify all faces */
} else if(target == GL_TEXTURE_CUBE_MAP) {
for(GLsizei level = 0; level != levels; ++level) {
for(GLenum face: {GL_TEXTURE_CUBE_MAP_POSITIVE_X,
GL_TEXTURE_CUBE_MAP_NEGATIVE_X,
GL_TEXTURE_CUBE_MAP_POSITIVE_Y,
GL_TEXTURE_CUBE_MAP_NEGATIVE_Y,
GL_TEXTURE_CUBE_MAP_POSITIVE_Z,
GL_TEXTURE_CUBE_MAP_NEGATIVE_Z})
(this->*Context::current()->state().texture->image2DImplementation)(face, level, internalFormat, Math::max(Vector2i(1), size >> level), format, type, nullptr);
}
#ifndef MAGNUM_TARGET_GLES
/* Array texture is not scaled in "layer" dimension */
} else if(target == GL_TEXTURE_1D_ARRAY) {
for(GLsizei level = 0; level != levels; ++level) {
(this->*Context::current()->state().texture->image2DImplementation)(target, level, internalFormat, Math::max(Vector2i(1), size >> level), format, type, nullptr);
}
#endif
/* No other targets are available */
} else CORRADE_ASSERT_UNREACHABLE();
}
void AbstractTexture::storageImplementationDefault(GLenum target, GLsizei levels, TextureFormat internalFormat, const Vector2i& size) {
bindInternal();
/** @todo Re-enable when extension loader is available for ES */
#ifndef MAGNUM_TARGET_GLES2
glTexStorage2D(target, levels, GLenum(internalFormat), size.x(), size.y());
#else
static_cast<void>(target);
static_cast<void>(levels);
static_cast<void>(internalFormat);
static_cast<void>(size);
CORRADE_INTERNAL_ASSERT(false);
//glTexStorage2DEXT(target, levels, GLenum(internalFormat), size.x(), size.y());
#endif
}
#ifndef MAGNUM_TARGET_GLES
void AbstractTexture::storageImplementationDSA(GLenum target, GLsizei levels, TextureFormat internalFormat, const Vector2i& size) {
glTextureStorage2DEXT(_id, target, levels, GLenum(internalFormat), size.x(), size.y());
}
#endif
void AbstractTexture::storageImplementationFallback(GLenum target, GLsizei levels, TextureFormat internalFormat, const Vector3i& size) {
const ColorFormat format = imageFormatForInternalFormat(internalFormat);
const ColorType type = imageTypeForInternalFormat(internalFormat);
/* Common code for classic type */
#ifndef MAGNUM_TARGET_GLES2
if(target == GL_TEXTURE_3D)
#else
if(target == GL_TEXTURE_3D_OES)
#endif
{
for(GLsizei level = 0; level != levels; ++level) {
(this->*Context::current()->state().texture->image3DImplementation)(target, level, internalFormat, Math::max(Vector3i(1), size >> level), format, type, nullptr);
}
#ifndef MAGNUM_TARGET_GLES2
/* Array texture is not scaled in "layer" dimension */
}
#ifndef MAGNUM_TARGET_GLES
else if(target == GL_TEXTURE_2D_ARRAY || target == GL_TEXTURE_CUBE_MAP_ARRAY)
#else
else if(target == GL_TEXTURE_2D_ARRAY)
#endif
{
for(GLsizei level = 0; level != levels; ++level) {
(this->*Context::current()->state().texture->image3DImplementation)(target, level, internalFormat, Math::max(Vector3i(1), size >> level), format, type, nullptr);
}
#endif
/* No other targets are available */
} else CORRADE_ASSERT_UNREACHABLE();
}
void AbstractTexture::storageImplementationDefault(GLenum target, GLsizei levels, TextureFormat internalFormat, const Vector3i& size) {
bindInternal();
/** @todo Re-enable when extension loader is available for ES */
#ifndef MAGNUM_TARGET_GLES2
glTexStorage3D(target, levels, GLenum(internalFormat), size.x(), size.y(), size.z());
#else
static_cast<void>(target);
static_cast<void>(levels);
static_cast<void>(internalFormat);
static_cast<void>(size);
CORRADE_INTERNAL_ASSERT(false);
//glTexStorage3DEXT(target, levels, GLenum(internalFormat), size.x(), size.y(), size.z());
#endif
}
#ifndef MAGNUM_TARGET_GLES
void AbstractTexture::storageImplementationDSA(GLenum target, GLsizei levels, TextureFormat internalFormat, const Vector3i& size) {
glTextureStorage3DEXT(_id, target, levels, GLenum(internalFormat), size.x(), size.y(), size.z());
}
#endif
#ifndef MAGNUM_TARGET_GLES
void AbstractTexture::getImageImplementationDefault(const GLenum target, const GLint level, const ColorFormat format, const ColorType type, const std::size_t, GLvoid* const data) {
bindInternal();
glGetTexImage(target, level, GLenum(format), GLenum(type), data);
}
void AbstractTexture::getImageImplementationDSA(const GLenum target, const GLint level, const ColorFormat format, const ColorType type, const std::size_t, GLvoid* const data) {
glGetTextureImageEXT(_id, target, level, GLenum(format), GLenum(type), data);
}
void AbstractTexture::getImageImplementationRobustness(const GLenum target, const GLint level, const ColorFormat format, const ColorType type, const std::size_t dataSize, GLvoid* const data) {
/** @todo Re-enable when extension loader is available for ES */
#ifndef MAGNUM_TARGET_GLES
bindInternal();
glGetnTexImageARB(target, level, GLenum(format), GLenum(type), dataSize, data);
#else
static_cast<void>(target);
static_cast<void>(level);
static_cast<void>(format);
static_cast<void>(type);
static_cast<void>(dataSize);
static_cast<void>(data);
CORRADE_INTERNAL_ASSERT(false);
#endif
}
#endif
#ifndef MAGNUM_TARGET_GLES
void AbstractTexture::imageImplementationDefault(GLenum target, GLint level, TextureFormat internalFormat, const Math::Vector<1, GLsizei>& size, ColorFormat format, ColorType type, const GLvoid* data) {
bindInternal();
glTexImage1D(target, level, GLint(internalFormat), size[0], 0, GLenum(format), GLenum(type), data);
}
void AbstractTexture::imageImplementationDSA(GLenum target, GLint level, TextureFormat internalFormat, const Math::Vector<1, GLsizei>& size, ColorFormat format, ColorType type, const GLvoid* data) {
glTextureImage1DEXT(_id, target, level, GLint(internalFormat), size[0], 0, GLenum(format), GLenum(type), data);
}
#endif
void AbstractTexture::imageImplementationDefault(GLenum target, GLint level, TextureFormat internalFormat, const Vector2i& size, ColorFormat format, ColorType type, const GLvoid* data) {
bindInternal();
glTexImage2D(target, level, GLint(internalFormat), size.x(), size.y(), 0, GLenum(format), GLenum(type), data);
}
#ifndef MAGNUM_TARGET_GLES
void AbstractTexture::imageImplementationDSA(GLenum target, GLint level, TextureFormat internalFormat, const Vector2i& size, ColorFormat format, ColorType type, const GLvoid* data) {
glTextureImage2DEXT(_id, target, level, GLint(internalFormat), size.x(), size.y(), 0, GLenum(format), GLenum(type), data);
}
#endif
void AbstractTexture::imageImplementationDefault(GLenum target, GLint level, TextureFormat internalFormat, const Vector3i& size, ColorFormat format, ColorType type, const GLvoid* data) {
bindInternal();
/** @todo Re-enable when extension loader is available for ES */
#ifndef MAGNUM_TARGET_GLES2
glTexImage3D(target, level, GLint(internalFormat), size.x(), size.y(), size.z(), 0, GLenum(format), GLenum(type), data);
#else
static_cast<void>(target);
static_cast<void>(level);
static_cast<void>(internalFormat);
static_cast<void>(size);
static_cast<void>(format);
static_cast<void>(type);
static_cast<void>(data);
CORRADE_INTERNAL_ASSERT(false);
//glTexImage3DOES(target, level, GLint(internalFormat), size.x(), size.y(), size.z(), 0, GLenum(format), GLenum(type), data);
#endif
}
#ifndef MAGNUM_TARGET_GLES
void AbstractTexture::imageImplementationDSA(GLenum target, GLint level, TextureFormat internalFormat, const Vector3i& size, ColorFormat format, ColorType type, const GLvoid* data) {
glTextureImage3DEXT(_id, target, level, GLint(internalFormat), size.x(), size.y(), size.z(), 0, GLenum(format), GLenum(type), data);
}
#endif
#ifndef MAGNUM_TARGET_GLES
void AbstractTexture::subImageImplementationDefault(GLenum target, GLint level, const Math::Vector<1, GLint>& offset, const Math::Vector<1, GLsizei>& size, ColorFormat format, ColorType type, const GLvoid* data) {
bindInternal();
glTexSubImage1D(target, level, offset[0], size[0], GLenum(format), GLenum(type), data);
}
void AbstractTexture::subImageImplementationDSA(GLenum target, GLint level, const Math::Vector<1, GLint>& offset, const Math::Vector<1, GLsizei>& size, ColorFormat format, ColorType type, const GLvoid* data) {
glTextureSubImage1DEXT(_id, target, level, offset[0], size[0], GLenum(format), GLenum(type), data);
}
#endif
void AbstractTexture::subImageImplementationDefault(GLenum target, GLint level, const Vector2i& offset, const Vector2i& size, ColorFormat format, ColorType type, const GLvoid* data) {
bindInternal();
glTexSubImage2D(target, level, offset.x(), offset.y(), size.x(), size.y(), GLenum(format), GLenum(type), data);
}
#ifndef MAGNUM_TARGET_GLES
void AbstractTexture::subImageImplementationDSA(GLenum target, GLint level, const Vector2i& offset, const Vector2i& size, ColorFormat format, ColorType type, const GLvoid* data) {
glTextureSubImage2DEXT(_id, target, level, offset.x(), offset.y(), size.x(), size.y(), GLenum(format), GLenum(type), data);
}
#endif
void AbstractTexture::subImageImplementationDefault(GLenum target, GLint level, const Vector3i& offset, const Vector3i& size, ColorFormat format, ColorType type, const GLvoid* data) {
bindInternal();
/** @todo Re-enable when extension loader is available for ES */
#ifndef MAGNUM_TARGET_GLES2
glTexSubImage3D(target, level, offset.x(), offset.y(), offset.z(), size.x(), size.y(), size.z(), GLenum(format), GLenum(type), data);
#else
static_cast<void>(target);
static_cast<void>(level);
static_cast<void>(offset);
static_cast<void>(size);
static_cast<void>(format);
static_cast<void>(type);
static_cast<void>(data);
CORRADE_INTERNAL_ASSERT(false);
//glTexSubImage3DOES(target, level, offset.x(), offset.y(), offset.z(), size.x(), size.y(), size.z(), GLenum(format), GLenum(type), data);
#endif
}
#ifndef MAGNUM_TARGET_GLES
void AbstractTexture::subImageImplementationDSA(GLenum target, GLint level, const Vector3i& offset, const Vector3i& size, ColorFormat format, ColorType type, const GLvoid* data) {
glTextureSubImage3DEXT(_id, target, level, offset.x(), offset.y(), offset.z(), size.x(), size.y(), size.z(), GLenum(format), GLenum(type), data);
}
#endif
void AbstractTexture::invalidateImageImplementationNoOp(GLint) {}
#ifndef MAGNUM_TARGET_GLES
void AbstractTexture::invalidateImageImplementationARB(GLint level) {
glInvalidateTexImage(_id, level);
}
#endif
void AbstractTexture::invalidateSubImageImplementationNoOp(GLint, const Vector3i&, const Vector3i&) {}
#ifndef MAGNUM_TARGET_GLES
void AbstractTexture::invalidateSubImageImplementationARB(GLint level, const Vector3i& offset, const Vector3i& size) {
glInvalidateTexSubImage(_id, level, offset.x(), offset.y(), offset.z(), size.x(), size.y(), size.z());
}
#endif
#ifndef DOXYGEN_GENERATING_OUTPUT
#ifndef MAGNUM_TARGET_GLES
template<UnsignedInt dimensions> void AbstractTexture::image(GLenum target, GLint level, Image<dimensions>& image) {
const Math::Vector<dimensions, Int> size = DataHelper<dimensions>::imageSize(*this, target, level);
const std::size_t dataSize = image.dataSize(size);
char* data = new char[dataSize];
(this->*Context::current()->state().texture->getImageImplementation)(target, level, image.format(), image.type(), dataSize, data);
image.setData(image.format(), image.type(), size, data);
}
template void MAGNUM_EXPORT AbstractTexture::image<1>(GLenum, GLint, Image<1>&);
template void MAGNUM_EXPORT AbstractTexture::image<2>(GLenum, GLint, Image<2>&);
template void MAGNUM_EXPORT AbstractTexture::image<3>(GLenum, GLint, Image<3>&);
template<UnsignedInt dimensions> void AbstractTexture::image(GLenum target, GLint level, BufferImage<dimensions>& image, BufferUsage usage) {
const Math::Vector<dimensions, Int> size = DataHelper<dimensions>::imageSize(*this, target, level);
const std::size_t dataSize = image.dataSize(size);
if(image.size() != size)
image.setData(image.format(), image.type(), size, nullptr, usage);
image.buffer().bind(Buffer::Target::PixelPack);
(this->*Context::current()->state().texture->getImageImplementation)(target, level, image.format(), image.type(), dataSize, nullptr);
}
template void MAGNUM_EXPORT AbstractTexture::image<1>(GLenum, GLint, BufferImage<1>&, BufferUsage);
template void MAGNUM_EXPORT AbstractTexture::image<2>(GLenum, GLint, BufferImage<2>&, BufferUsage);
template void MAGNUM_EXPORT AbstractTexture::image<3>(GLenum, GLint, BufferImage<3>&, BufferUsage);
#endif
#endif
#ifndef DOXYGEN_GENERATING_OUTPUT
#ifndef MAGNUM_TARGET_GLES
Math::Vector<1, GLint> AbstractTexture::DataHelper<1>::imageSize(AbstractTexture& texture, const GLenum target, const GLint level) {
Math::Vector<1, GLint> value;
(texture.*Context::current()->state().texture->getLevelParameterivImplementation)(target, level, GL_TEXTURE_WIDTH, &value[0]);
return value;
}
Vector2i AbstractTexture::DataHelper<2>::imageSize(AbstractTexture& texture, const GLenum target, const GLint level) {
const Implementation::TextureState& state = *Context::current()->state().texture;
Vector2i value;
(texture.*state.getLevelParameterivImplementation)(target, level, GL_TEXTURE_WIDTH, &value[0]);
(texture.*state.getLevelParameterivImplementation)(target, level, GL_TEXTURE_HEIGHT, &value[1]);