gallivm/llvmpipe: implement system values and instanceID

1 files changed, 17 insertions, 4 deletions

diff --git a/src/gallium/auxiliary/draw/draw_llvm.c b/src/gallium/auxiliary/draw/draw_llvm.c
index 2b5f01cda74..eb162fb0f62 100644
--- a/src/gallium/auxiliary/draw/draw_llvm.c
+++ b/src/gallium/auxiliary/draw/draw_llvm.c
@@ -340,6 +340,7 @@ 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)
 {
@@ -371,6 +372,7 @@ generate_vs(struct draw_llvm *llvm,
                      vs_type,
                      NULL /*struct lp_build_mask_context *mask*/,
                      consts_ptr,
+                     system_values_array,
                      NULL /*pos*/,
                      inputs,
                      outputs,
@@ -1011,7 +1013,9 @@ 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;
@@ -1070,6 +1074,9 @@ draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *variant)
 
    lp_build_context_init(&bld, builder, lp_type_int(32));
 
+   system_values_array = lp_build_system_values_array(builder, vs_info,
+                                                      instance_id, NULL);
+
    end = lp_build_add(&bld, start, count);
 
    step = LLVMConstInt(LLVMInt32Type(), max_vertices, 0);
@@ -1126,6 +1133,7 @@ draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *variant)
                   builder,
                   outputs,
                   ptr_aos,
+                  system_values_array,
                   context_ptr,
                   sampler);
 
@@ -1156,8 +1164,7 @@ draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *variant)
 
       /* store clipmask in vertex header and positions in data */
       convert_to_aos(builder, io, outputs, clipmask,
-                     draw->vs.vertex_shader->info.num_outputs,
-                     max_vertices);
+                     vs_info->num_outputs, max_vertices);
    }
 
    lp_build_loop_end_cond(builder, end, step, LLVMIntUGE, &lp_loop);
@@ -1207,7 +1214,9 @@ 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;
@@ -1268,6 +1277,10 @@ draw_llvm_generate_elts(struct draw_llvm *llvm, struct draw_llvm_variant *varian
 
    lp_build_context_init(&bld, builder, lp_type_int(32));
 
+   system_values_array = lp_build_system_values_array(builder, vs_info,
+                                                      instance_id, NULL);
+
+
    step = LLVMConstInt(LLVMInt32Type(), max_vertices, 0);
 
    /* code generated texture sampling */
@@ -1332,6 +1345,7 @@ draw_llvm_generate_elts(struct draw_llvm *llvm, struct draw_llvm_variant *varian
                   builder,
                   outputs,
                   ptr_aos,
+                  system_values_array,
                   context_ptr,
                   sampler);
 
@@ -1365,8 +1379,7 @@ draw_llvm_generate_elts(struct draw_llvm *llvm, struct draw_llvm_variant *varian
        * and transformed positions in data 
        */   
       convert_to_aos(builder, io, outputs, clipmask,
-                     draw->vs.vertex_shader->info.num_outputs,
-                     max_vertices);
+                     vs_info->num_outputs, max_vertices);
    }
 
    lp_build_loop_end_cond(builder, fetch_count, step, LLVMIntUGE, &lp_loop);