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Diffstat (limited to 'src/gallium/drivers/radeonsi/si_shader.c')
-rw-r--r--src/gallium/drivers/radeonsi/si_shader.c19
1 files changed, 12 insertions, 7 deletions
diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c
index 149b4942c0b..d96d55917bd 100644
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -2461,7 +2461,7 @@ static void si_write_tess_factors(struct lp_build_tgsi_context *bld_base,
unsigned tess_inner_index, tess_outer_index;
LLVMValueRef lds_base, lds_inner, lds_outer, byteoffset, buffer;
LLVMValueRef out[6], vec0, vec1, rw_buffers, tf_base, inner[4], outer[4];
- unsigned stride, outer_comps, inner_comps, i;
+ unsigned stride, outer_comps, inner_comps, i, offset;
struct lp_build_if_state if_ctx, inner_if_ctx;
si_llvm_emit_barrier(NULL, bld_base, NULL);
@@ -2558,21 +2558,26 @@ static void si_write_tess_factors(struct lp_build_tgsi_context *bld_base,
rel_patch_id, ctx->i32_0, ""));
/* Store the dynamic HS control word. */
- ac_build_buffer_store_dword(&ctx->ac, buffer,
- LLVMConstInt(ctx->i32, 0x80000000, 0),
- 1, ctx->i32_0, tf_base,
- 0, 1, 0, true, false);
+ offset = 0;
+ if (ctx->screen->b.chip_class <= VI) {
+ ac_build_buffer_store_dword(&ctx->ac, buffer,
+ LLVMConstInt(ctx->i32, 0x80000000, 0),
+ 1, ctx->i32_0, tf_base,
+ offset, 1, 0, true, false);
+ offset += 4;
+ }
lp_build_endif(&inner_if_ctx);
/* Store the tessellation factors. */
ac_build_buffer_store_dword(&ctx->ac, buffer, vec0,
MIN2(stride, 4), byteoffset, tf_base,
- 4, 1, 0, true, false);
+ offset, 1, 0, true, false);
+ offset += 16;
if (vec1)
ac_build_buffer_store_dword(&ctx->ac, buffer, vec1,
stride - 4, byteoffset, tf_base,
- 20, 1, 0, true, false);
+ offset, 1, 0, true, false);
/* Store the tess factors into the offchip buffer if TES reads them. */
if (shader->key.part.tcs.epilog.tes_reads_tess_factors) {