source/pixelformat.h

   1 #ifndef MSP_GL_PIXELFORMAT_H_
   2 #define MSP_GL_PIXELFORMAT_H_
   3
   4 #include <msp/graphics/pixelformat.h>
   5 #include <msp/strings/lexicalcast.h>
   6 #include "gl.h"
   7 #include <msp/gl/extensions/arb_depth_texture.h>
   8 #include <msp/gl/extensions/arb_texture_float.h>
   9 #include <msp/gl/extensions/ext_bgra.h>
  10 #include <msp/gl/extensions/ext_texture_srgb.h>
  11 #include <msp/gl/extensions/msp_legacy_features.h>
  12 #include <msp/gl/extensions/msp_sized_internal_formats.h>
  13
  14 namespace Msp {
  15 namespace GL {
  16
  17 enum PixelFormat
  18 {
  19         STENCIL_INDEX   = GL_STENCIL_INDEX,
  20         DEPTH_COMPONENT = GL_DEPTH_COMPONENT,
  21         DEPTH_COMPONENT16 = GL_DEPTH_COMPONENT16,
  22         DEPTH_COMPONENT24 = GL_DEPTH_COMPONENT24,
  23         DEPTH_COMPONENT32 = GL_DEPTH_COMPONENT32,
  24         RGB             = GL_RGB,
  25         RGBA            = GL_RGBA,
  26         RGB8            = GL_RGB8,
  27         RGB16F          = GL_RGB16F,
  28         RGB32F          = GL_RGB32F,
  29         RGBA8           = GL_RGBA8,
  30         RGBA16F         = GL_RGBA16F,
  31         RGBA32F         = GL_RGBA32F,
  32         SRGB            = GL_SRGB,
  33         SRGB_ALPHA      = GL_SRGB_ALPHA,
  34         SRGB8           = GL_SRGB8,
  35         SRGB8_ALPHA8    = GL_SRGB8_ALPHA8,
  36         BGR             = GL_BGR,
  37         BGRA            = GL_BGRA,
  38         LUMINANCE       = GL_LUMINANCE,
  39         LUMINANCE8      = GL_LUMINANCE8,
  40         // TODO Remove LUMINANCE(_ALPHA) float formats once ARB_texture_rg becomes supported
  41         LUMINANCE16F    = GL_LUMINANCE16F_ARB,
  42         LUMINANCE32F    = GL_LUMINANCE32F_ARB,
  43         LUMINANCE_ALPHA    = GL_LUMINANCE_ALPHA,
  44         LUMINANCE8_ALPHA8  = GL_LUMINANCE8_ALPHA8,
  45         LUMINANCE_ALPHA16F = GL_LUMINANCE_ALPHA16F_ARB,
  46         LUMINANCE_ALPHA32F = GL_LUMINANCE_ALPHA32F_ARB,
  47         SLUMINANCE         = GL_SLUMINANCE,
  48         SLUMINANCE8        = GL_SLUMINANCE8,
  49         SLUMINANCE_ALPHA   = GL_SLUMINANCE_ALPHA,
  50         SLUMINANCE8_ALPHA8 = GL_SLUMINANCE8_ALPHA8,
  51
  52         // Typo, deprecated
  53         LUMINANCE_ALPHA8   = GL_LUMINANCE8_ALPHA8
  54 };
  55
  56 void operator>>(const LexicalConverter &, PixelFormat &);
  57
  58 PixelFormat pixelformat_from_graphics(Graphics::PixelFormat);
  59 PixelFormat storage_pixelformat_from_graphics(Graphics::PixelFormat, bool = false);
  60
  61 PixelFormat get_base_pixelformat(PixelFormat);
  62 PixelFormat get_sized_pixelformat(PixelFormat);
  63 PixelFormat get_srgb_pixelformat(PixelFormat);
  64 unsigned get_component_count(PixelFormat);
  65 unsigned get_component_size(PixelFormat);
  66 unsigned get_pixel_size(PixelFormat);
  67
  68 void require_pixelformat(PixelFormat);
  69
  70 } // namespace GL
  71 } // namespace Msp
  72
  73 #endif