https://bugs.freedesktop.org/show_bug.cgi?id=97305
--- Comment #3 from Matias N. Goldberg <dark_sylinc at yahoo.com.ar> ---
>> BEGIN PATCH
diff --git a/src/gallium/drivers/radeonsi/si_pipe.c
b/src/gallium/drivers/radeonsi/si_pipe.c
index 88f4f20..6a2d5bc 100644
--- a/src/gallium/drivers/radeonsi/si_pipe.c
+++ b/src/gallium/drivers/radeonsi/si_pipe.c
@@ -363,10 +363,11 @@ static int si_get_param(struct pipe_screen* pscreen, enum
pipe_cap param)
case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
+ return 256;
case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
return 4;
case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
- return HAVE_LLVM >= 0x0309 ? 4 : 0;
+ return HAVE_LLVM >= 0x0309 ? 256 : 0;
case PIPE_CAP_GLSL_FEATURE_LEVEL:
if (pscreen->get_shader_param(pscreen, PIPE_SHADER_COMPUTE,
<< END PATCH
I'm playing safe by going with 256 bytes with everyone, based on the
overwhelming amount of reports (on the left top there's a dropdown, select
"All"); unless someone wants to go through the trouble of identifying each
card. Even in DX12 256 alignment is by spec:
http://delphigl.de/glcapsviewer/gl_stats_caps_single.php?listreportsbycap=GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT
http://delphigl.de/glcapsviewer/gl_stats_caps_single.php?listreportsbycap=GL_TEXTURE_BUFFER_OFFSET_ALIGNMENT
http://delphigl.de/glcapsviewer/gl_stats_caps_single.php?listreportsbycap=GL_SHADER_STORAGE_BUFFER_OFFSET_ALIGNMENT
I believe this patch could potentially increase radeonsi's compatibility
greatly and should be tested against popular game titles.
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