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mesa/st: use tracked samplerview swizzle values

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Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17687>
This commit is contained in:
Mike Blumenkrantz
2022-08-01 10:37:51 -04:00
committed by Marge Bot
parent 0ccc0f7b50
commit e00bb6cb98
1 changed files with 2 additions and 53 deletions
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55
src/mesa/state_tracker/st_sampler_view.c
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@@ -304,57 +304,6 @@ st_delete_texture_sampler_views(struct st_context *st,
}
}
/**
* Return swizzle1(swizzle2)
*/
static unsigned
swizzle_swizzle(unsigned swizzle1, unsigned swizzle2)
{
unsigned i, swz[4];
if (swizzle1 == SWIZZLE_XYZW) {
/* identity swizzle, no change to swizzle2 */
return swizzle2;
}
for (i = 0; i < 4; i++) {
unsigned s = GET_SWZ(swizzle1, i);
switch (s) {
case SWIZZLE_X:
case SWIZZLE_Y:
case SWIZZLE_Z:
case SWIZZLE_W:
swz[i] = GET_SWZ(swizzle2, s);
break;
case SWIZZLE_ZERO:
swz[i] = SWIZZLE_ZERO;
break;
case SWIZZLE_ONE:
swz[i] = SWIZZLE_ONE;
break;
default:
assert(!"Bad swizzle term");
swz[i] = SWIZZLE_X;
}
}
return MAKE_SWIZZLE4(swz[0], swz[1], swz[2], swz[3]);
}
static unsigned
get_texture_format_swizzle(const struct st_context *st,
const struct gl_texture_object *texObj,
bool glsl130_or_later)
{
const struct gl_texture_image *img = _mesa_base_tex_image(texObj);
unsigned tex_swizzle = glsl130_or_later ? img->FormatSwizzleGLSL130 : img->FormatSwizzle;
/* Combine the texture format swizzle with user's swizzle */
return swizzle_swizzle(texObj->Attrib._Swizzle, tex_swizzle);
}
/**
* Return TRUE if the texture's sampler view swizzle is not equal to
* the texture's swizzle.
@@ -367,7 +316,7 @@ check_sampler_swizzle(const struct st_context *st,
const struct pipe_sampler_view *sv,
bool glsl130_or_later)
{
unsigned swizzle = get_texture_format_swizzle(st, texObj, glsl130_or_later);
unsigned swizzle = glsl130_or_later ? texObj->SwizzleGLSL130 : texObj->Swizzle;
return ((sv->swizzle_r != GET_SWZ(swizzle, 0)) ||
(sv->swizzle_g != GET_SWZ(swizzle, 1)) ||
@@ -487,7 +436,7 @@ st_create_texture_sampler_view_from_stobj(struct st_context *st,
{
/* There is no need to clear this structure (consider CPU overhead). */
struct pipe_sampler_view templ;
unsigned swizzle = get_texture_format_swizzle(st, texObj, glsl130_or_later);
unsigned swizzle = glsl130_or_later ? texObj->SwizzleGLSL130 : texObj->Swizzle;
templ.format = format;