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r300-gallium: Update r300_screen comments and add a few formats.

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This commit is contained in:
Corbin Simpson 2009-02-14 02:24:30 -08:00
parent 9a20ef0a52
commit 5352ec3b87
1 changed files with 15 additions and 3 deletions
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18
src/gallium/drivers/r300/r300_screen.c
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@ -120,7 +120,7 @@ static int r300_get_param(struct pipe_screen* pscreen, int param)
* shows why this is silly. Assuming RGBA, 4cpp, we can see that
* 4096*4096*4096 = 64.0 GiB exactly, so it's not exactly
* practical. However, if at some point a game really wants this,
* then we can remove this limit. */
* then we can remove or raise this limit. */
if (r300screen->caps->is_r500) {
/* 9 == 256x256x256 */
return 9;
@ -141,7 +141,7 @@ static int r300_get_param(struct pipe_screen* pscreen, int param)
case PIPE_CAP_TEXTURE_MIRROR_REPEAT:
return 1;
case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS:
/* XXX guessing */
/* XXX guessing (what a terrible guess) */
return 2;
default:
debug_printf("r300: Implementation error: Bad param %d\n",
@ -174,13 +174,25 @@ static float r300_get_paramf(struct pipe_screen* pscreen, int param)
}
}
/* XXX moar formats */
/* XXX even moar formats */
static boolean check_tex_2d_format(enum pipe_format format)
{
switch (format) {
/* Colorbuffer */
case PIPE_FORMAT_A8R8G8B8_UNORM:
/* Texture */
case PIPE_FORMAT_I8_UNORM:
/* Z buffer */
case PIPE_FORMAT_Z16_UNORM:
/* Z buffer with stencil */
case PIPE_FORMAT_Z24S8_UNORM:
return TRUE;
/* These formats are explicitly not supported, in order to keep
* people from wasting their time trying to implement them... */
case PIPE_FORMAT_S8Z24_UNORM:
return FALSE;
default:
debug_printf("r300: Warning: Got unknown format: %s, in %s\n",
pf_name(format), __FUNCTION__);