On 08/02/2017 12:03 PM, Roland Scheidegger wrote:
Am 02.08.2017 um 19:07 schrieb Brian Paul:
If the texture is multisampled, the coord.w component indicates which
sample to fetch.
---
src/gallium/docs/source/tgsi.rst | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/src/gallium/docs/source/tgsi.rst b/src/gallium/docs/source/tgsi.rst
index d7817cc..5bf9e95 100644
--- a/src/gallium/docs/source/tgsi.rst
+++ b/src/gallium/docs/source/tgsi.rst
@@ -951,7 +951,9 @@ XXX doesn't look like most of the opcodes really belong
here.
image or PIPE_BUFFER resource. The source sampler may not be a CUBE or
SHADOW. src 0 is a
four-component signed integer vector used to identify the single texel
- accessed. 3 components + level. Just like texture instructions, an optional
+ accessed. 3 components + level. If the texture is multisampled, then
+ the fourth component indicates the sample, not the mipmap level.
+ p *srJust like texture instructions, an optional
Is that some rst syntax here or just a type?
Oops, typo.
Otherwise,
Reviewed-by: Roland Scheidegger <srol...@vmware.com>
Thanks.
offset vector is provided, which is subject to various driver restrictions
(regarding range, source of offsets). This instruction ignores the sampler
state.
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