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gallium: Implement util_pack_color for A8, L8, and I8 formats.

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This commit is contained in:
José Fonseca
2008-05-07 22:01:27 +09:00
parent 33cda1e5e5
commit 10b7192747
1 changed files with 26 additions and 0 deletions
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src/gallium/auxiliary/util/u_pack_color.h
+26
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@@ -101,6 +101,19 @@ util_pack_color_ub(ubyte r, ubyte g, ubyte b, ubyte a,
*d = ((a & 0xf0) << 8) | ((r & 0xf0) << 4) | ((g & 0xf0) << 0) | (b >> 4);
}
return;
case PIPE_FORMAT_A8_UNORM:
{
ubyte *d = (ubyte *) dest;
*d = a;
}
return;
case PIPE_FORMAT_L8_UNORM:
case PIPE_FORMAT_I8_UNORM:
{
ubyte *d = (ubyte *) dest;
*d = r;
}
return;
case PIPE_FORMAT_R32G32B32A32_FLOAT:
{
float *d = (float *) dest;
@@ -198,6 +211,19 @@ util_pack_color(const float rgba[4], enum pipe_format format, void *dest)
*d = ((a & 0xf0) << 8) | ((r & 0xf0) << 4) | ((g & 0xf0) << 0) | (b >> 4);
}
return;
case PIPE_FORMAT_A8_UNORM:
{
ubyte *d = (ubyte *) dest;
*d = a;
}
return;
case PIPE_FORMAT_L8_UNORM:
case PIPE_FORMAT_I8_UNORM:
{
ubyte *d = (ubyte *) dest;
*d = r;
}
return;
case PIPE_FORMAT_R32G32B32A32_FLOAT:
{
float *d = (float *) dest;