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-rw-r--r--src/gallium/auxiliary/draw/draw_gs.c8
-rw-r--r--src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c12
-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_scan.c6
3 files changed, 21 insertions, 5 deletions
diff --git a/src/gallium/auxiliary/draw/draw_gs.c b/src/gallium/auxiliary/draw/draw_gs.c
index 2b6d2a02821..bbf515a9525 100644
--- a/src/gallium/auxiliary/draw/draw_gs.c
+++ b/src/gallium/auxiliary/draw/draw_gs.c
@@ -228,8 +228,7 @@ llvm_fetch_gs_input(struct draw_geometry_shader *shader,
const float (*input_ptr)[4];
float (*input_data)[6][PIPE_MAX_SHADER_INPUTS][TGSI_NUM_CHANNELS][TGSI_NUM_CHANNELS] = &shader->gs_input->data;
- shader->llvm_prim_ids[shader->fetched_prim_count] =
- shader->in_prim_idx;
+ shader->llvm_prim_ids[shader->fetched_prim_count] = shader->in_prim_idx;
input_ptr = shader->input;
@@ -244,6 +243,11 @@ llvm_fetch_gs_input(struct draw_geometry_shader *shader,
for (slot = 0, vs_slot = 0; slot < shader->info.num_inputs; ++slot) {
if (shader->info.input_semantic_name[slot] == TGSI_SEMANTIC_PRIMID) {
/* skip. we handle system values through gallivm */
+ /* NOTE: If we hit this case here it's an ordinary input not a sv,
+ * even though it probably should be a sv.
+ * Not sure how to set it up as regular input however if that even,
+ * would make sense so hack around this later in gallivm.
+ */
} else {
vs_slot = draw_gs_get_input_index(
shader->info.input_semantic_name[slot],
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
index 02a4a526bb2..f54e85649c6 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
@@ -1408,12 +1408,24 @@ emit_fetch_gs_input(
{
struct lp_build_tgsi_soa_context * bld = lp_soa_context(bld_base);
struct gallivm_state *gallivm = bld->bld_base.base.gallivm;
+ const struct tgsi_shader_info *info = bld->bld_base.info;
LLVMBuilderRef builder = gallivm->builder;
LLVMValueRef attrib_index = NULL;
LLVMValueRef vertex_index = NULL;
LLVMValueRef swizzle_index = lp_build_const_int32(gallivm, swizzle);
LLVMValueRef res;
+ if (info->input_semantic_name[reg->Register.Index] == TGSI_SEMANTIC_PRIMID) {
+ /* This is really a system value not a regular input */
+ assert(!reg->Register.Indirect);
+ assert(!reg->Dimension.Indirect);
+ res = bld->system_values.prim_id;
+ if (stype != TGSI_TYPE_UNSIGNED && stype != TGSI_TYPE_SIGNED) {
+ res = LLVMBuildBitCast(builder, res, bld_base->base.vec_type, "");
+ }
+ return res;
+ }
+
if (reg->Register.Indirect) {
attrib_index = get_indirect_index(bld,
reg->Register.File,
diff --git a/src/gallium/auxiliary/tgsi/tgsi_scan.c b/src/gallium/auxiliary/tgsi/tgsi_scan.c
index 563d2c55f60..c71bb360bb3 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_scan.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_scan.c
@@ -191,11 +191,11 @@ tgsi_scan_shader(const struct tgsi_token *tokens,
info->input_cylindrical_wrap[reg] = (ubyte)fulldecl->Interp.CylindricalWrap;
info->num_inputs++;
- if (procType == TGSI_PROCESSOR_FRAGMENT) {
+ if (semName == TGSI_SEMANTIC_PRIMID)
+ info->uses_primid = TRUE;
+ else if (procType == TGSI_PROCESSOR_FRAGMENT) {
if (semName == TGSI_SEMANTIC_POSITION)
info->reads_position = TRUE;
- else if (semName == TGSI_SEMANTIC_PRIMID)
- info->uses_primid = TRUE;
else if (semName == TGSI_SEMANTIC_FACE)
info->uses_frontface = TRUE;
}