From: Marek Olšák <marek.ol...@amd.com>
This fixes:
GL45-CTS.tessellation_shader.tessellation_control_to_tessellation_evaluation
.gl_PatchVerticesIn
---
src/gallium/drivers/radeonsi/si_shader.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/src/gallium/drivers/radeonsi/si_shader.c
b/src/gallium/drivers/radeonsi/si_shader.c
index 2863faa..6eca5cf 100644
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -1723,21 +1723,26 @@ static void declare_system_value(
if
(ctx->shader->selector->info.properties[TGSI_PROPERTY_TES_PRIM_MODE] ==
PIPE_PRIM_TRIANGLES)
coord[2] = lp_build_sub(bld, bld->one,
lp_build_add(bld, coord[0],
coord[1]));
value = lp_build_gather_values(gallivm, coord, 4);
break;
}
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:
case TGSI_SEMANTIC_TESSOUTER:
{
LLVMValueRef rw_buffers, buffer, base, addr;
int param = si_shader_io_get_unique_index(decl->Semantic.Name,
0);
rw_buffers = LLVMGetParam(ctx->radeon_bld.main_fn,
SI_PARAM_RW_BUFFERS);
--
2.7.4
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