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st/xorg: Change format function a bit

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This commit is contained in:
Jakob Bornecrantz 2009-03-04 23:51:14 +01:00
parent dca226fefb
commit b611f81477
1 changed files with 19 additions and 9 deletions
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28
src/gallium/state_trackers/xorg/xorg_exa.c
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@ -54,6 +54,7 @@ struct PixmapPriv
struct pipe_texture *tex;
unsigned int color;
struct pipe_surface *src_surf; /* for copies */
struct pipe_transfer *map_transfer;
unsigned map_count;
};
@ -62,25 +63,34 @@ struct PixmapPriv
* Helper functions
*/
static enum pipe_format
exa_get_pipe_format(int depth)
static void
exa_get_pipe_format(int depth, enum pipe_format *format, int *bbp)
{
switch (depth) {
case 32:
return PIPE_FORMAT_A8R8G8B8_UNORM;
*format = PIPE_FORMAT_A8R8G8B8_UNORM;
assert(*bbp == 32);
break;
case 24:
return PIPE_FORMAT_X8R8G8B8_UNORM;
*format = PIPE_FORMAT_X8R8G8B8_UNORM;
assert(*bbp == 32);
break;
case 16:
return PIPE_FORMAT_R5G6B5_UNORM;
*format = PIPE_FORMAT_R5G6B5_UNORM;
assert(*bbp == 16);
break;
case 15:
return PIPE_FORMAT_A1R5G5B5_UNORM;
*format = PIPE_FORMAT_A1R5G5B5_UNORM;
assert(*bbp == 16);
break;
case 8:
case 4:
case 1:
return PIPE_FORMAT_A8R8G8B8_UNORM; /* bad bad bad */
*format = PIPE_FORMAT_A8R8G8B8_UNORM; /* bad bad bad */
break;
default:
assert(0);
return 0;
break;
}
}
@ -436,7 +446,7 @@ ExaModifyPixmapHeader(PixmapPtr pPixmap, int width, int height,
memset(&template, 0, sizeof(template));
template.target = PIPE_TEXTURE_2D;
template.compressed = 0;
template.format = exa_get_pipe_format(depth);
exa_get_pipe_format(depth, &template.format, &bitsPerPixel);
pf_get_block(template.format, &template.block);
template.width[0] = width;
template.height[0] = height;