+#include <msp/gl/extensions/arb_texture_float.h>
+#include <msp/gl/extensions/ext_bgra.h>
#include <msp/strings/format.h>
-#include "arb_texture_float.h"
-#include "ext_bgra.h"
#include "pixelformat.h"
using namespace std;
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)
}
}
+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:
+ return 1;
+ case LUMINANCE_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)