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radeonsi: fix gl_PatchVerticesIn for tessellation evaluation shader

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This fixes:
GL45-CTS.tessellation_shader.tessellation_control_to_tessellation_evaluation
.gl_PatchVerticesIn

Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Marek Olšák
2016-08-20 01:42:09 +02:00
parent a4fa215058
commit 03708deed2
1 changed files with 6 additions and 1 deletions
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7
src/gallium/drivers/radeonsi/si_shader.c
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@@ -1730,7 +1730,12 @@ static void declare_system_value(
}
case TGSI_SEMANTIC_VERTICESIN:
value = unpack_param(ctx, SI_PARAM_TCS_OUT_LAYOUT, 26, 6);
if (ctx->type == PIPE_SHADER_TESS_CTRL)
value = unpack_param(ctx, SI_PARAM_TCS_OUT_LAYOUT, 26, 6);
else if (ctx->type == PIPE_SHADER_TESS_EVAL)
value = unpack_param(ctx, SI_PARAM_TCS_OFFCHIP_LAYOUT, 9, 7);
else
assert(!"invalid shader stage for TGSI_SEMANTIC_VERTICESIN");
break;
case TGSI_SEMANTIC_TESSINNER: