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gallium: added r8g8b8_get/put_tile_rgba()

This commit is contained in:
Brian Paul 2009-09-08 16:45:34 -06:00
parent 079ae4c38c
commit 97cbaab541
1 changed files with 53 additions and 1 deletions
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54
src/gallium/auxiliary/util/u_tile.c
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@ -170,7 +170,7 @@ x8r8g8b8_get_tile_rgba(const unsigned *src,
pRow[0] = ubyte_to_float((pixel >> 16) & 0xff);
pRow[1] = ubyte_to_float((pixel >> 8) & 0xff);
pRow[2] = ubyte_to_float((pixel >> 0) & 0xff);
pRow[3] = ubyte_to_float(0xff);
pRow[3] = 1.0F;
}
p += dst_stride;
}
@ -394,6 +394,52 @@ r5g6b5_put_tile_rgba(ushort *dst,
/*** PIPE_FORMAT_R8G8B8_UNORM ***/
static void
r8g8b8_get_tile_rgba(const ubyte *src,
unsigned w, unsigned h,
float *p,
unsigned dst_stride)
{
unsigned i, j;
for (i = 0; i < h; i++) {
float *pRow = p;
for (j = 0; j < w; j++, pRow += 4) {
pRow[0] = ubyte_to_float(src[0]);
pRow[1] = ubyte_to_float(src[1]);
pRow[2] = ubyte_to_float(src[2]);
pRow[3] = 1.0f;
src += 3;
}
p += dst_stride;
}
}
static void
r8g8b8_put_tile_rgba(ubyte *dst,
unsigned w, unsigned h,
const float *p,
unsigned src_stride)
{
unsigned i, j;
for (i = 0; i < h; i++) {
const float *pRow = p;
for (j = 0; j < w; j++, pRow += 4) {
dst[0] = float_to_ubyte(pRow[0]);
dst[1] = float_to_ubyte(pRow[1]);
dst[2] = float_to_ubyte(pRow[2]);
dst += 3;
}
p += src_stride;
}
}
/*** PIPE_FORMAT_Z16_UNORM ***/
/**
@ -1106,6 +1152,9 @@ pipe_tile_raw_to_rgba(enum pipe_format format,
case PIPE_FORMAT_R5G6B5_UNORM:
r5g6b5_get_tile_rgba((ushort *) src, w, h, dst, dst_stride);
break;
case PIPE_FORMAT_R8G8B8_UNORM:
r8g8b8_get_tile_rgba((ubyte *) src, w, h, dst, dst_stride);
break;
case PIPE_FORMAT_L8_UNORM:
l8_get_tile_rgba((ubyte *) src, w, h, dst, dst_stride);
break;
@ -1222,6 +1271,9 @@ pipe_put_tile_rgba(struct pipe_transfer *pt,
case PIPE_FORMAT_R5G6B5_UNORM:
r5g6b5_put_tile_rgba((ushort *) packed, w, h, p, src_stride);
break;
case PIPE_FORMAT_R8G8B8_UNORM:
r8g8b8_put_tile_rgba((ubyte *) packed, w, h, p, src_stride);
break;
case PIPE_FORMAT_R8G8B8A8_UNORM:
assert(0);
break;