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Simplified colormode enum

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svn-id: r41578
This commit is contained in:
Jody Northup 2009-06-16 05:34:12 +00:00
parent fb96e826f2
commit d3283f86fc
1 changed files with 9 additions and 6 deletions
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15
graphics/pixelformat.h
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@ -45,14 +45,17 @@ namespace Graphics {
*/
enum ColorMode {
kFormatCLUT8 = 0, //256 color palette.
#ifdef ENABLE_16BIT
kFormatRGB555 = 1,
kFormatXRGB1555 = 2, // Special case, high bit has special purpose, which may be alpha.
// Engines should probably handle this bit internally and pass RGB only, though
kFormatRGB565 = 3,
kFormatRGBA4444 = 4, // since this mode is commonly supported in game hardware, some unimplemented engines may use it?
#endif
#ifdef ENABLE_32BIT
kFormatRGB888 = 5,
kFormatRGBA6666 = 6, // I've never heard of this, but it's vaguely plausible
kFormatRGBA8888 = 7
kFormatRGBA8888 = 6
#endif
};
#endif
@ -96,6 +99,7 @@ struct PixelFormat {
//TODO: Specify alpha position
explicit inline PixelFormat(ColorMode mode) {
switch (mode) {
#ifdef ENABLE_16BIT
case kFormatRGB555:
aLoss = 8;
bytesPerPixel = 2;
@ -124,19 +128,18 @@ struct PixelFormat {
bytesPerPixel = 2;
aLoss = gLoss = rLoss = bLoss = 4;
break;
#endif
#ifdef ENABLE_32BIT
case kFormatRGB888:
bytesPerPixel = 3;
aLoss = 8;
gLoss = rLoss = bLoss = 0;
break;
case kFormatRGBA6666:
bytesPerPixel = 3;
aLoss = gLoss = rLoss = bLoss = 2;
break;
case kFormatRGBA8888:
bytesPerPixel = 4;
aLoss = gLoss = rLoss = bLoss = 0;
break;
#endif
case kFormatCLUT8:
default:
bytesPerPixel = 1;