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Merge pull request #11523 from degasus/OGL_KHR_subgroup

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VideoBackend/OGL: Prefer KHR_shader_subgroup over NV_shader_thread.
This commit is contained in:
JMC47
2023-02-10 04:47:20 -05:00
committed by GitHub
parent dad7a32a35 4b2aa948e6
commit 258151fe5a
8 changed files with 66 additions and 33 deletions
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13
Source/Core/VideoCommon/PixelShaderGen.cpp
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@ -457,15 +457,12 @@ void UpdateBoundingBox(float2 rawpos) {{
int2 pos_br = pos | 1; // round up to odd
#ifdef SUPPORTS_SUBGROUP_REDUCTION
if (CAN_USE_SUBGROUP_REDUCTION) {{
int2 min_pos = IS_HELPER_INVOCATION ? int2(2147483647, 2147483647) : pos_tl;
int2 max_pos = IS_HELPER_INVOCATION ? int2(-2147483648, -2147483648) : pos_br;
SUBGROUP_MIN(min_pos);
SUBGROUP_MAX(max_pos);
if (!IS_HELPER_INVOCATION)
{{
SUBGROUP_MIN(pos_tl);
SUBGROUP_MAX(pos_br);
if (IS_FIRST_ACTIVE_INVOCATION)
UpdateBoundingBoxBuffer(min_pos, max_pos);
}} else {{
UpdateBoundingBoxBuffer(pos_tl, pos_br);
UpdateBoundingBoxBuffer(pos_tl, pos_br);
}}
#else
UpdateBoundingBoxBuffer(pos_tl, pos_br);