mirror of https://github.com/mosra/magnum.git
Browse Source
Makes more sense. Added aliases and header file for backwards compatibility, will be removed in future versions.pull/23/head
Vladimír Vondruš
13 years ago
26 changed files with 707 additions and 653 deletions
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#ifndef Magnum_ColorFormat_h |
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#define Magnum_ColorFormat_h |
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/*
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This file is part of Magnum. |
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Copyright © 2010, 2011, 2012, 2013 Vladimír Vondruš <mosra@centrum.cz> |
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Permission is hereby granted, free of charge, to any person obtaining a |
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copy of this software and associated documentation files (the "Software"), |
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to deal in the Software without restriction, including without limitation |
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the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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and/or sell copies of the Software, and to permit persons to whom the |
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Software is furnished to do so, subject to the following conditions: |
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The above copyright notice and this permission notice shall be included |
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in all copies or substantial portions of the Software. |
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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DEALINGS IN THE SOFTWARE. |
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*/ |
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/** @file
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* @brief Enum Magnum::ColorFormat, Magnum::ColorType |
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*/ |
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#include "Magnum.h" |
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#include "OpenGL.h" |
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#include "magnumVisibility.h" |
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namespace Magnum { |
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/**
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@brief Format of image data |
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Note that some formats can be used only for framebuffer reading (using |
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AbstractFramebuffer::read()) and some only for texture data (using Texture::setImage() |
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and others). |
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@see Image, ImageReference, BufferImage, Trade::ImageData |
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*/ |
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enum class ColorFormat: GLenum { |
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/**
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* Floating-point red channel. |
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* @requires_gles30 For texture data only, extension @es_extension{EXT,texture_rg}. |
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* @requires_es_extension For framebuffer reading, extension @es_extension{EXT,texture_rg}. |
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*/ |
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#ifndef MAGNUM_TARGET_GLES2 |
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Red = GL_RED, |
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#else |
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Red = GL_RED_EXT, |
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#endif |
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#ifndef MAGNUM_TARGET_GLES |
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/**
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* Floating-point green channel. |
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* @requires_gl Only @ref Magnum::ColorFormat "ColorFormat::Red" is |
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* available in OpenGL ES. |
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*/ |
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Green = GL_GREEN, |
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/**
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* Floating-point blue channel. |
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* @requires_gl Only @ref Magnum::ColorFormat "ColorFormat::Red" is |
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* available in OpenGL ES. |
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*/ |
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Blue = GL_BLUE, |
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#endif |
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#if defined(MAGNUM_TARGET_GLES2) || defined(DOXYGEN_GENERATING_OUTPUT) |
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/**
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* Floating-point luminance channel. The value is used for all RGB |
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* channels. |
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* @deprecated Included for compatibility reasons only, use |
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* @ref Magnum::ColorFormat "ColorFormat::Red" instead. |
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* @requires_gles20 Not available in ES 3.0 or desktop OpenGL. Use |
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* @ref Magnum::ColorFormat "ColorFormat::Red" instead. |
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*/ |
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Luminance = GL_LUMINANCE, |
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#endif |
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/**
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* Floating-point red and green channel. |
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* @requires_gl30 %Extension @extension{ARB,texture_rg} and @extension{EXT,texture_integer} |
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* @requires_gles30 For texture data only, extension @es_extension{EXT,texture_rg}. |
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* @requires_es_extension For framebuffer reading, extension @es_extension{EXT,texture_rg}. |
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*/ |
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#ifndef MAGNUM_TARGET_GLES2 |
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RG = GL_RG, |
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#else |
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RG = GL_RG_EXT, |
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#endif |
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#if defined(MAGNUM_TARGET_GLES2) || defined(DOXYGEN_GENERATING_OUTPUT) |
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/**
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* Floating-point luminance and alpha channel. First value is used for all |
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* RGB channels, second value is used for alpha channel. |
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* @deprecated Included for compatibility reasons only, use |
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* @ref Magnum::ColorFormat "ColorFormat::RG" instead. |
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* @requires_gles20 Not available in ES 3.0 or desktop OpenGL. Use |
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* @ref Magnum::ColorFormat "ColorFormat::RG" instead. |
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*/ |
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LuminanceAlpha = GL_LUMINANCE_ALPHA, |
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#endif |
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/**
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* Floating-point RGB. |
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* @requires_gl Can't be used for framebuffer reading in OpenGL ES. |
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*/ |
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RGB = GL_RGB, |
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/** Floating-point RGBA. */ |
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RGBA = GL_RGBA, |
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#ifndef MAGNUM_TARGET_GLES |
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/**
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* Floating-point BGR. |
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* @requires_gl Only RGB component ordering is available in OpenGL ES. |
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*/ |
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BGR = GL_BGR, |
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#endif |
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#ifndef MAGNUM_TARGET_GLES3 |
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/**
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* Floating-point BGRA. |
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* @requires_es_extension %Extension @es_extension{EXT,read_format_bgra} |
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* for framebuffer reading, extension @es_extension{APPLE,texture_format_BGRA8888} |
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* or @es_extension{EXT,texture_format_BGRA8888} for texture data. |
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*/ |
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#ifndef MAGNUM_TARGET_GLES |
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BGRA = GL_BGRA, |
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#else |
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BGRA = GL_BGRA_EXT, |
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#endif |
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#endif |
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#ifndef MAGNUM_TARGET_GLES2 |
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/**
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* Integer red channel. |
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* @requires_gl30 %Extension @extension{EXT,texture_integer} |
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* @requires_gles30 Only floating-point image data are available in OpenGL |
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* ES 2.0. |
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*/ |
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RedInteger = GL_RED_INTEGER, |
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#ifndef MAGNUM_TARGET_GLES |
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/**
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* Integer green channel. |
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* @requires_gl30 %Extension @extension{EXT,texture_integer} |
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* @requires_gl Only @ref Magnum::ColorFormat "ColorFormat::RedInteger" |
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* is available in OpenGL ES 3.0, only floating-point image data are |
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* available in OpenGL ES 2.0. |
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*/ |
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GreenInteger = GL_GREEN_INTEGER, |
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/**
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* Integer blue channel. |
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* @requires_gl30 %Extension @extension{EXT,texture_integer} |
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* @requires_gl Only @ref Magnum::ColorFormat "ColorFormat::RedInteger" is |
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* available in OpenGL ES 3.0, only floating-point image data are |
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* available in OpenGL ES 2.0. |
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*/ |
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BlueInteger = GL_BLUE_INTEGER, |
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#endif |
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/**
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* Integer red and green channel. |
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* @requires_gl30 %Extension @extension{ARB,texture_rg} and @extension{EXT,texture_integer} |
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* @requires_gl Can't be used for framebuffer reading in OpenGL ES. |
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* @requires_gles30 For texture data only, only floating-point image data |
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* are available in OpenGL ES 2.0. |
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*/ |
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RGInteger = GL_RG_INTEGER, |
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/**
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* Integer RGB. |
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* @requires_gl30 %Extension @extension{EXT,texture_integer} |
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* @requires_gl Can't be used for framebuffer reading in OpenGL ES. |
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* @requires_gles30 For texture data only, only floating-point image data |
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* are available in OpenGL ES 2.0. |
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*/ |
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RGBInteger = GL_RGB_INTEGER, |
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/**
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* Integer RGBA. |
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* @requires_gl30 %Extension @extension{EXT,texture_integer} |
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* @requires_gles30 Only floating-point image data are available in OpenGL |
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* ES 2.0. |
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*/ |
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RGBAInteger = GL_RGBA_INTEGER, |
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#ifndef MAGNUM_TARGET_GLES |
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/**
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* Integer BGR. |
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* @requires_gl30 %Extension @extension{EXT,texture_integer} |
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* @requires_gl Only @ref Magnum::ColorFormat "ColorFormat::RGBInteger" is |
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* available in OpenGL ES 3.0, only floating-point image data are |
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* available in OpenGL ES 2.0. |
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*/ |
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BGRInteger = GL_BGR_INTEGER, |
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/**
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* Integer BGRA. |
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* @requires_gl30 %Extension @extension{EXT,texture_integer} |
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* @requires_gl Only @ref Magnum::ColorFormat "ColorFormat::RGBAInteger" is |
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* available in OpenGL ES 3.0, only floating-point image data are |
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* available in OpenGL ES 2.0. |
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*/ |
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BGRAInteger = GL_BGRA_INTEGER, |
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#endif |
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#endif |
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/**
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* Depth component. |
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* @requires_gles30 For texture data only, extension @es_extension{ANGLE,depth_texture}. |
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* @requires_es_extension For framebuffer reading only, extension |
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* @es_extension2{NV,read_depth,GL_NV_read_depth_stencil}. |
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*/ |
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DepthComponent = GL_DEPTH_COMPONENT, |
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#ifndef MAGNUM_TARGET_GLES3 |
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/**
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* Stencil index. |
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* @requires_gl44 %Extension @extension{ARB,texture_stencil8} for texture |
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* data, otherwise for framebuffer reading only. |
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* @requires_es_extension %Extension @es_extension2{NV,read_stencil,GL_NV_read_depth_stencil}, |
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* for framebuffer reading only. |
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* @todo Where to get GL_STENCIL_INDEX in ES? |
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*/ |
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#ifndef MAGNUM_TARGET_GLES |
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StencilIndex = GL_STENCIL_INDEX, |
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#else |
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StencilIndex = 0x1901, |
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#endif |
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#endif |
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/**
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* Depth and stencil. |
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* @requires_gl30 %Extension @extension{ARB,framebuffer_object} |
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* @requires_gles30 For texture data only, extension @es_extension{OES,packed_depth_stencil}. |
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* @requires_es_extension For framebuffer reading only, extension |
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* @es_extension2{NV,read_depth_stencil,GL_NV_read_depth_stencil}. |
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*/ |
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#ifndef MAGNUM_TARGET_GLES2 |
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DepthStencil = GL_DEPTH_STENCIL |
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#else |
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DepthStencil = GL_DEPTH_STENCIL_OES |
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#endif |
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}; |
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/**
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@brief Type of image data |
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Note that some formats can be used only for framebuffer reading (using |
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AbstractFramebuffer::read()) and some only for texture data (using Texture::setImage() |
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and others). |
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@see Image, ImageReference, BufferImage, Trade::ImageData |
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*/ |
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enum class ColorType: GLenum { |
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/** Each component unsigned byte. */ |
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UnsignedByte = GL_UNSIGNED_BYTE, |
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#ifndef MAGNUM_TARGET_GLES2 |
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/**
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* Each component signed byte. |
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* @requires_gl Can't be used for framebuffer reading in OpenGL ES. |
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* @requires_gles30 For texture data only, only @ref Magnum::ColorType "ColorType::UnsignedByte" |
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* is available in OpenGL ES 2.0. |
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*/ |
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Byte = GL_BYTE, |
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#endif |
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/**
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* Each component unsigned short. |
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* @requires_gl Can't be used for framebuffer reading in OpenGL ES. |
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* @requires_gles30 For texture data only, extension @es_extension{OES,depth_texture} |
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* or @es_extension{ANGLE,depth_texture}. |
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*/ |
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UnsignedShort = GL_UNSIGNED_SHORT, |
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#ifndef MAGNUM_TARGET_GLES2 |
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/**
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* Each component signed short. |
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* @requires_gl Can't be used for framebuffer reading in OpenGL ES. |
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* @requires_gles30 For texture data only, only @ref Magnum::ColorType "ColorType::UnsignedShort" |
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* is available in OpenGL ES 2.0. |
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*/ |
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Short = GL_SHORT, |
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#endif |
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/**
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* Each component unsigned int. |
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* @requires_gles30 Can't be used for framebuffer reading in OpenGL ES 2.0. |
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* @requires_gles30 For texture data only, extension @es_extension{OES,depth_texture} |
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* or @es_extension{ANGLE,depth_texture}. |
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*/ |
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UnsignedInt = GL_UNSIGNED_INT, |
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#ifndef MAGNUM_TARGET_GLES2 |
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/**
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* Each component signed int. |
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* @requires_gles30 Only @ref Magnum::ColorType "ColorType::UnsignedInt" |
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* is available in OpenGL ES 2.0. |
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*/ |
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Int = GL_INT, |
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#endif |
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/**
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* Each component half float. |
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* @requires_gl30 %Extension @extension{NV,half_float} / @extension{ARB,half_float_pixel} |
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* @requires_gles30 For texture data only, extension |
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* @es_extension2{OES,texture_half_float,OES_texture_float}. |
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*/ |
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#ifndef MAGNUM_TARGET_GLES2 |
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HalfFloat = GL_HALF_FLOAT, |
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#else |
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HalfFloat = GL_HALF_FLOAT_OES, |
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#endif |
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/**
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* Each component float. |
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* @requires_gles30 For texture data only, extension @es_extension{OES,texture_float}. |
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*/ |
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Float = GL_FLOAT, |
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#ifndef MAGNUM_TARGET_GLES |
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/**
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* RGB, unsigned byte, red and green component 3bit, blue component 2bit. |
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* @requires_gl Packed 12bit types are not available in OpenGL ES. |
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*/ |
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UnsignedByte332 = GL_UNSIGNED_BYTE_3_3_2, |
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/**
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* BGR, unsigned byte, red and green component 3bit, blue component 2bit. |
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* @requires_gl Packed 12bit types are not available in OpenGL ES. |
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*/ |
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UnsignedByte233Rev = GL_UNSIGNED_BYTE_2_3_3_REV, |
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#endif |
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/**
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* RGB, unsigned byte, red and blue component 5bit, green 6bit. |
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* @requires_gl Can't be used for framebuffer reading in OpenGL ES. |
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*/ |
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UnsignedShort565 = GL_UNSIGNED_SHORT_5_6_5, |
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#ifndef MAGNUM_TARGET_GLES |
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/**
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* BGR, unsigned short, red and blue 5bit, green 6bit. |
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* @requires_gl Only @ref Magnum::ColorType "ColorType::RGB565" is |
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* available in OpenGL ES. |
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*/ |
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UnsignedShort565Rev = GL_UNSIGNED_SHORT_5_6_5_REV, |
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#endif |
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/**
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* RGBA, unsigned short, each component 4bit. |
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* @requires_gl Can't be used for framebuffer reading in OpenGL ES. |
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*/ |
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UnsignedShort4444 = GL_UNSIGNED_SHORT_4_4_4_4, |
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#ifndef MAGNUM_TARGET_GLES3 |
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/**
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* ABGR, unsigned short, each component 4bit. |
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* @requires_es_extension For framebuffer reading only, extension |
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* @es_extension{EXT,read_format_bgra}. |
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*/ |
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#ifndef MAGNUM_TARGET_GLES |
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UnsignedShort4444Rev = GL_UNSIGNED_SHORT_4_4_4_4_REV, |
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#else |
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UnsignedShort4444Rev = GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT, |
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#endif |
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#endif |
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/**
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* RGBA, unsigned short, each RGB component 5bit, alpha component 1bit. |
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* @requires_gl Can't be used for framebuffer reading in OpenGL ES. |
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*/ |
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UnsignedShort5551 = GL_UNSIGNED_SHORT_5_5_5_1, |
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#ifndef MAGNUM_TARGET_GLES3 |
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/**
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* ABGR, unsigned short, each RGB component 5bit, alpha component 1bit. |
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* @requires_es_extension For framebuffer reading only, extension |
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* @es_extension{EXT,read_format_bgra}. |
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*/ |
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#ifndef MAGNUM_TARGET_GLES |
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UnsignedShort1555Rev = GL_UNSIGNED_SHORT_1_5_5_5_REV, |
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#else |
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UnsignedShort1555Rev = GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT, |
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#endif |
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#endif |
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#ifndef MAGNUM_TARGET_GLES |
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/**
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* RGBA, unsigned int, each component 8bit. |
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* @requires_gl Use @ref Magnum::ColorType "ColorType::UnsignedByte" in |
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* OpenGL ES instead. |
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*/ |
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UnsignedInt8888 = GL_UNSIGNED_INT_8_8_8_8, |
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/**
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* ABGR, unsigned int, each component 8bit. |
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* @requires_gl Only RGBA component ordering is available in OpenGL ES, see |
||||||
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* @ref Magnum::ColorType "ColorType::UnsignedInt8888" for more |
||||||
|
* information. |
||||||
|
*/ |
||||||
|
UnsignedInt8888Rev = GL_UNSIGNED_INT_8_8_8_8_REV, |
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|
|
||||||
|
/**
|
||||||
|
* RGBA, unsigned int, each RGB component 10bit, alpha component 2bit. |
||||||
|
* @requires_gl Only @ref Magnum::ColorType "ColorType::UnsignedInt2101010Rev" |
||||||
|
* is available in OpenGL ES. |
||||||
|
*/ |
||||||
|
UnsignedInt1010102 = GL_UNSIGNED_INT_10_10_10_2, |
||||||
|
#endif |
||||||
|
|
||||||
|
/**
|
||||||
|
* ABGR, unsigned int, each RGB component 10bit, alpha component 2bit. |
||||||
|
* @requires_gles30 Can't be used for framebuffer reading in OpenGL ES 2.0. |
||||||
|
* @requires_gles30 For texture data only, extension |
||||||
|
* @es_extension{EXT,texture_type_2_10_10_10_REV}. |
||||||
|
*/ |
||||||
|
#ifndef MAGNUM_TARGET_GLES2 |
||||||
|
UnsignedInt2101010Rev = GL_UNSIGNED_INT_2_10_10_10_REV, |
||||||
|
#else |
||||||
|
UnsignedInt2101010Rev = GL_UNSIGNED_INT_2_10_10_10_REV_EXT, |
||||||
|
#endif |
||||||
|
|
||||||
|
#ifndef MAGNUM_TARGET_GLES2 |
||||||
|
/**
|
||||||
|
* BGR, unsigned int, red and green 11bit float, blue 10bit float. |
||||||
|
* @requires_gl30 %Extension @extension{EXT,packed_float} |
||||||
|
* @requires_gles30 Floating-point types are not available in OpenGL ES |
||||||
|
* 2.0. |
||||||
|
*/ |
||||||
|
UnsignedInt10F11F11FRev = GL_UNSIGNED_INT_10F_11F_11F_REV, |
||||||
|
|
||||||
|
/**
|
||||||
|
* BGR, unsigned int, each component 9bit + 5bit exponent. |
||||||
|
* @requires_gl30 %Extension @extension{EXT,texture_shared_exponent} |
||||||
|
* @requires_gles30 Only 8bit and 16bit types are available in OpenGL ES |
||||||
|
* 2.0. |
||||||
|
*/ |
||||||
|
UnsignedInt5999Rev = GL_UNSIGNED_INT_5_9_9_9_REV, |
||||||
|
#endif |
||||||
|
|
||||||
|
/**
|
||||||
|
* Unsigned int, depth component 24bit, stencil index 8bit. |
||||||
|
* @requires_gl30 %Extension @extension{ARB,framebuffer_object} |
||||||
|
* @requires_gles30 For texture data only, extension @es_extension{OES,packed_depth_stencil}. |
||||||
|
*/ |
||||||
|
#ifndef MAGNUM_TARGET_GLES2 |
||||||
|
UnsignedInt248 = GL_UNSIGNED_INT_24_8, |
||||||
|
#else |
||||||
|
UnsignedInt248 = GL_UNSIGNED_INT_24_8_OES, |
||||||
|
#endif |
||||||
|
|
||||||
|
#ifndef MAGNUM_TARGET_GLES2 |
||||||
|
/**
|
||||||
|
* Float + unsigned int, depth component 32bit float, 24bit gap, stencil |
||||||
|
* index 8bit. |
||||||
|
* @requires_gl30 %Extension @extension{ARB,depth_buffer_float} |
||||||
|
* @requires_gles30 For texture data only, only @ref Magnum::ColorType "ColorType::UnsignedInt248" |
||||||
|
* is available in OpenGL ES 2.0. |
||||||
|
*/ |
||||||
|
Float32UnsignedInt248Rev = GL_FLOAT_32_UNSIGNED_INT_24_8_REV |
||||||
|
#endif |
||||||
|
}; |
||||||
|
|
||||||
|
/** @debugoperator{ColorFormat} */ |
||||||
|
Debug MAGNUM_EXPORT operator<<(Debug debug, ColorFormat value); |
||||||
|
|
||||||
|
/** @debugoperator{ColorFormat} */ |
||||||
|
Debug MAGNUM_EXPORT operator<<(Debug debug, ColorType value); |
||||||
|
|
||||||
|
} |
||||||
|
|
||||||
|
#endif |
||||||
Loading…
Reference in new issue