+#include <msp/gl/extensions/arb_texture_float.h>
+#include <msp/gl/extensions/ext_bgra.h>
#include <msp/strings/format.h>
#include "pixelformat.h"
fmt = BGR;
else if(conv.get()=="BGRA")
fmt = BGRA;
+ else if(conv.get()=="SRGB")
+ fmt = SRGB;
+ else if(conv.get()=="SRGB_ALPHA")
+ fmt = SRGB_ALPHA;
else if(conv.get()=="LUMINANCE")
fmt = LUMINANCE;
else if(conv.get()=="LUMINANCE_ALPHA")
fmt = LUMINANCE_ALPHA;
+ else if(conv.get()=="SLUMINANCE")
+ fmt = SLUMINANCE;
+ else if(conv.get()=="SLUMINANCE_ALPHA")
+ fmt = SLUMINANCE_ALPHA;
else
throw lexical_error(format("conversion of '%s' to PixelFormat", conv.get()));
}
case Graphics::LUMINANCE: return LUMINANCE;
case Graphics::LUMINANCE_ALPHA: return LUMINANCE_ALPHA;
case Graphics::RGB: return RGB;
+ case Graphics::RGBX:
case Graphics::RGBA: return RGBA;
case Graphics::BGR: return BGR;
+ case Graphics::BGRX:
case Graphics::BGRA: return BGRA;
default: throw invalid_argument("pixelformat_from_graphics");
}
}
+PixelFormat storage_pixelformat_from_graphics(Graphics::PixelFormat pf)
+{
+ switch(pf)
+ {
+ case Graphics::RGBX:
+ case Graphics::BGR:
+ case Graphics::BGRX: return RGB;
+ case Graphics::BGRA: return RGBA;
+ default: return pixelformat_from_graphics(pf);
+ }
+}
+
PixelFormat get_base_pixelformat(PixelFormat pf)
{
switch(pf)
{
case RGB8:
case RGB16F:
- case RGB32F: return RGB;
+ case RGB32F:
+ case SRGB:
+ case SRGB8: return RGB;
case RGBA8:
case RGBA16F:
- case RGBA32F: return RGBA;
+ case RGBA32F:
+ case SRGB_ALPHA:
+ case SRGB8_ALPHA8: return RGBA;
case LUMINANCE8:
case LUMINANCE16F:
- case LUMINANCE32F: return LUMINANCE;
+ case LUMINANCE32F:
+ case SLUMINANCE:
+ case SLUMINANCE8: return LUMINANCE;
case LUMINANCE_ALPHA8:
case LUMINANCE_ALPHA16F:
- case LUMINANCE_ALPHA32F: return LUMINANCE_ALPHA;
+ case LUMINANCE_ALPHA32F:
+ case SLUMINANCE_ALPHA:
+ case SLUMINANCE8_ALPHA8: return LUMINANCE_ALPHA;
default: return pf;
}
}
+unsigned get_component_count(PixelFormat pf)
+{
+ switch(get_base_pixelformat(pf))
+ {
+ case COLOR_INDEX:
+ case STENCIL_INDEX:
+ case DEPTH_COMPONENT:
+ case RED:
+ case GREEN:
+ case BLUE:
+ case LUMINANCE:
+ case SLUMINANCE:
+ return 1;
+ case LUMINANCE_ALPHA:
+ case SLUMINANCE_ALPHA:
+ return 2;
+ case RGB:
+ case BGR:
+ return 3;
+ case RGBA:
+ case BGRA:
+ return 4;
+ default:
+ throw invalid_argument("get_pixelformat_component_count");
+ }
+}
+
+void require_pixelformat(PixelFormat pf)
+{
+ switch(pf)
+ {
+ case RGB16F:
+ case RGB32F:
+ case RGBA16F:
+ case RGBA32F:
+ case LUMINANCE16F:
+ case LUMINANCE32F:
+ case LUMINANCE_ALPHA16F:
+ case LUMINANCE_ALPHA32F:
+ { static Require _req(ARB_texture_float); }
+ break;
+ case SRGB:
+ case SRGB8:
+ case SRGB_ALPHA:
+ case SRGB8_ALPHA8:
+ case SLUMINANCE:
+ case SLUMINANCE8:
+ case SLUMINANCE_ALPHA:
+ case SLUMINANCE8_ALPHA8:
+ { static Require _req(EXT_texture_sRGB); }
+ break;
+ case BGR:
+ case BGRA:
+ { static Require _req(EXT_bgra); }
+ break;
+ default:
+ break;
+ }
+}
+
} // namespace GL
} // namespace Msp