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st/pbo_compute: special case stencil extraction from Z24S8

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this otherwise tries to use the depth component and a UNORM format,
which returns all zeroes

cc: mesa-stable

Acked-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29841>
This commit is contained in:
Mike Blumenkrantz
2024-07-03 08:14:36 -04:00
committed by Marge Bot
parent 968163524a
commit ef0a156670
1 changed files with 5 additions and 0 deletions
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5
src/mesa/state_tracker/st_pbo_compute.c
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@@ -95,6 +95,7 @@ get_convert_format(struct gl_context *ctx,
struct st_context *st = st_context(ctx);
GLint bpp = _mesa_bytes_per_pixel(format, type);
if (_mesa_is_depth_format(format) ||
format == GL_STENCIL_INDEX ||
format == GL_GREEN_INTEGER ||
format == GL_BLUE_INTEGER) {
switch (bpp) {
@@ -1264,6 +1265,10 @@ st_GetTexSubImage_shader(struct gl_context * ctx,
if (src_format == PIPE_FORMAT_NONE)
return false;
/* special case for stencil extraction */
if (format == GL_STENCIL_INDEX && util_format_is_depth_and_stencil(src_format))
src_format = PIPE_FORMAT_X24S8_UINT;
if (texImage->_BaseFormat != _mesa_get_format_base_format(texImage->TexFormat)) {
/* special handling for drivers that don't support these formats natively */
if (texImage->_BaseFormat == GL_LUMINANCE)