3 files changed, 29 insertions, 4 deletions
diff --git a/src/gallium/auxiliary/draw/draw_llvm.c b/src/gallium/auxiliary/draw/draw_llvm.c
index 943ec44bcde..41269ee869d 100644
--- a/src/gallium/auxiliary/draw/draw_llvm.c
+++ b/src/gallium/auxiliary/draw/draw_llvm.c
@@ -437,6 +437,7 @@ generate_vs(struct draw_llvm *llvm,
             LLVMBuilderRef builder,
             LLVMValueRef (*outputs)[NUM_CHANNELS],
             const LLVMValueRef (*inputs)[NUM_CHANNELS],
+            LLVMValueRef system_values_array,
             LLVMValueRef context_ptr,
             struct lp_build_sampler_soa *draw_sampler)
 {
@@ -468,6 +469,7 @@ generate_vs(struct draw_llvm *llvm,
                      vs_type,
                      NULL /*struct lp_build_mask_context *mask*/,
                      consts_ptr,
+                     system_values_array,
                      NULL /*pos*/,
                      inputs,
                      outputs,
@@ -1118,7 +1120,9 @@ draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *variant)
    LLVMValueRef start, end, count, stride, step, io_itr;
    LLVMValueRef io_ptr, vbuffers_ptr, vb_ptr;
    LLVMValueRef instance_id;
+   LLVMValueRef system_values_array;
    struct draw_context *draw = llvm->draw;
+   const struct tgsi_shader_info *vs_info = &draw->vs.vertex_shader->info;
    unsigned i, j;
    struct lp_build_context bld;
    struct lp_build_loop_state lp_loop;
@@ -1179,6 +1183,9 @@ draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *variant)
 
    lp_build_context_init(&bld, llvm->gallivm, lp_type_int(32));
 
+   system_values_array = lp_build_system_values_array(gallivm, vs_info,
+                                                      instance_id, NULL);
+
    end = lp_build_add(&bld, start, count);
 
    step = lp_build_const_int32(gallivm, max_vertices);
@@ -1233,6 +1240,7 @@ draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *variant)
                   builder,
                   outputs,
                   ptr_aos,
+                  system_values_array,
                   context_ptr,
                   sampler);
 
@@ -1263,8 +1271,7 @@ draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *variant)
 
       /* store clipmask in vertex header and positions in data */
       convert_to_aos(gallivm, io, outputs, clipmask,
-                     draw->vs.vertex_shader->info.num_outputs,
-                     max_vertices);
+                     vs_info->num_outputs, max_vertices);
    }
 
    lp_build_loop_end_cond(&lp_loop, end, step, LLVMIntUGE);
@@ -1315,7 +1322,9 @@ draw_llvm_generate_elts(struct draw_llvm *llvm, struct draw_llvm_variant *varian
    LLVMValueRef fetch_elts, fetch_count, stride, step, io_itr;
    LLVMValueRef io_ptr, vbuffers_ptr, vb_ptr;
    LLVMValueRef instance_id;
+   LLVMValueRef system_values_array;
    struct draw_context *draw = llvm->draw;
+   const struct tgsi_shader_info *vs_info = &draw->vs.vertex_shader->info;
    unsigned i, j;
    struct lp_build_context bld;
    struct lp_build_loop_state lp_loop;
@@ -1376,6 +1385,10 @@ draw_llvm_generate_elts(struct draw_llvm *llvm, struct draw_llvm_variant *varian
 
    lp_build_context_init(&bld, gallivm, lp_type_int(32));
 
+   system_values_array = lp_build_system_values_array(gallivm, vs_info,
+                                                      instance_id, NULL);
+
+
    step = lp_build_const_int32(gallivm, max_vertices);
 
    /* code generated texture sampling */
@@ -1438,6 +1451,7 @@ draw_llvm_generate_elts(struct draw_llvm *llvm, struct draw_llvm_variant *varian
                   builder,
                   outputs,
                   ptr_aos,
+                  system_values_array,
                   context_ptr,
                   sampler);
 
@@ -1471,8 +1485,7 @@ draw_llvm_generate_elts(struct draw_llvm *llvm, struct draw_llvm_variant *varian
        * and transformed positions in data 
        */   
       convert_to_aos(gallivm, io, outputs, clipmask,
-                     draw->vs.vertex_shader->info.num_outputs,
-                     max_vertices);
+                     vs_info->num_outputs, max_vertices);
    }
 
    lp_build_loop_end_cond(&lp_loop, fetch_count, step, LLVMIntUGE);
diff --git a/src/gallium/auxiliary/draw/draw_vs_exec.c b/src/gallium/auxiliary/draw/draw_vs_exec.c
index 667eb507855..c41d7c42a01 100644
--- a/src/gallium/auxiliary/draw/draw_vs_exec.c
+++ b/src/gallium/auxiliary/draw/draw_vs_exec.c
@@ -99,6 +99,12 @@ vs_exec_run_linear( struct draw_vertex_shader *shader,
    tgsi_exec_set_constant_buffers(machine, PIPE_MAX_CONSTANT_BUFFERS,
                                   constants, const_size);
 
+   if (shader->info.uses_instanceid) {
+      unsigned i = machine->SysSemanticToIndex[TGSI_SEMANTIC_INSTANCEID];
+      assert(i < Elements(machine->SystemValue));
+      machine->SystemValue[i][0] = shader->draw->instance_id;
+   }
+
    for (i = 0; i < count; i += MAX_TGSI_VERTICES) {
       unsigned int max_vertices = MIN2(MAX_TGSI_VERTICES, count - i);
 
diff --git a/src/gallium/auxiliary/draw/draw_vs_sse.c b/src/gallium/auxiliary/draw/draw_vs_sse.c
index dee7c0da9b6..d55b9b08070 100644
--- a/src/gallium/auxiliary/draw/draw_vs_sse.c
+++ b/src/gallium/auxiliary/draw/draw_vs_sse.c
@@ -71,6 +71,12 @@ vs_sse_prepare( struct draw_vertex_shader *base,
    struct tgsi_exec_machine *machine = shader->machine;
 
    machine->Samplers = draw->vs.samplers;
+
+   if (base->info.uses_instanceid) {
+      unsigned i = machine->SysSemanticToIndex[TGSI_SEMANTIC_INSTANCEID];
+      assert(i < Elements(machine->SystemValue));
+      machine->SystemValue[i][0] = base->draw->instance_id;
+   }
 }