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xvmc: move subpicture swizzle into own function

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This commit is contained in:
Christian König
2011-04-12 22:07:03 +02:00
parent 87e81a3e9d
commit 537370be4b
1 changed files with 31 additions and 26 deletions
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src/gallium/state_trackers/xorg/xvmc/subpicture.c
+31 -26
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@@ -78,6 +78,36 @@ static unsigned NumPaletteEntries4XvID(int xvimage_id)
}
}
static void XvIDToSwizzle(int xvimage_id, struct pipe_sampler_view *tmpl)
{
switch (xvimage_id) {
default:
XVMC_MSG(XVMC_ERR, "[XvMC] Unrecognized Xv image ID 0x%08X.\n", xvimage_id);
/* fall through */
case FOURCC_RGB:
tmpl->swizzle_r = PIPE_SWIZZLE_BLUE;
tmpl->swizzle_g = PIPE_SWIZZLE_GREEN;
tmpl->swizzle_b = PIPE_SWIZZLE_RED;
tmpl->swizzle_a = PIPE_SWIZZLE_ONE;
break;
case FOURCC_AI44:
tmpl->swizzle_r = PIPE_SWIZZLE_ALPHA;
tmpl->swizzle_g = PIPE_SWIZZLE_ZERO;
tmpl->swizzle_b = PIPE_SWIZZLE_ZERO;
tmpl->swizzle_a = PIPE_SWIZZLE_RED;
break;
case FOURCC_IA44:
tmpl->swizzle_r = PIPE_SWIZZLE_RED;
tmpl->swizzle_g = PIPE_SWIZZLE_ZERO;
tmpl->swizzle_b = PIPE_SWIZZLE_ZERO;
tmpl->swizzle_a = PIPE_SWIZZLE_ALPHA;
break;
}
}
static int PipeToComponentOrder(enum pipe_format format, char *component_order)
{
assert(component_order);
@@ -220,32 +250,7 @@ Status XvMCCreateSubpicture(Display *dpy, XvMCContext *context, XvMCSubpicture *
memset(&sampler_templ, 0, sizeof(sampler_templ));
u_sampler_view_default_template(&sampler_templ, tex, tex->format);
switch (xvimage_id) {
case FOURCC_RGB:
sampler_templ.swizzle_r = PIPE_SWIZZLE_BLUE;
sampler_templ.swizzle_g = PIPE_SWIZZLE_GREEN;
sampler_templ.swizzle_b = PIPE_SWIZZLE_RED;
sampler_templ.swizzle_a = PIPE_SWIZZLE_ONE;
break;
case FOURCC_AI44:
sampler_templ.swizzle_r = PIPE_SWIZZLE_ALPHA;
sampler_templ.swizzle_g = PIPE_SWIZZLE_ZERO;
sampler_templ.swizzle_b = PIPE_SWIZZLE_ZERO;
sampler_templ.swizzle_a = PIPE_SWIZZLE_RED;
break;
case FOURCC_IA44:
sampler_templ.swizzle_r = PIPE_SWIZZLE_RED;
sampler_templ.swizzle_g = PIPE_SWIZZLE_ZERO;
sampler_templ.swizzle_b = PIPE_SWIZZLE_ZERO;
sampler_templ.swizzle_a = PIPE_SWIZZLE_ALPHA;
break;
default:
XVMC_MSG(XVMC_ERR, "[XvMC] Unrecognized Xv image ID 0x%08X.\n", xvimage_id);
}
XvIDToSwizzle(xvimage_id, &sampler_templ);
subpicture_priv->sampler = vpipe->create_sampler_view(vpipe, tex, &sampler_templ);
pipe_resource_reference(&tex, NULL);