draw/llvm: implement fetch elts paths

we were only running the llvm paths when the input elts were linear,
now we can handle abritrary fetch elts arrays. we do this by generating
two paths - linear and fetch_elts one and just selecting the right one
at run time.

1 files changed, 12 insertions, 0 deletions

diff --git a/src/gallium/auxiliary/draw/draw_llvm.h b/src/gallium/auxiliary/draw/draw_llvm.h
index 20f4f3da5f..58fee7f9d6 100644
--- a/src/gallium/auxiliary/draw/draw_llvm.h
+++ b/src/gallium/auxiliary/draw/draw_llvm.h
@@ -94,6 +94,16 @@ typedef void
                       unsigned stride,
                       struct pipe_vertex_buffer *vertex_buffers);
 
+
+typedef void
+(*draw_jit_vert_func_elts)(struct draw_jit_context *context,
+                           struct vertex_header *io,
+                           const char *vbuffers[PIPE_MAX_ATTRIBS],
+                           const unsigned *fetch_elts,
+                           unsigned fetch_count,
+                           unsigned stride,
+                           struct pipe_vertex_buffer *vertex_buffers);
+
 struct draw_llvm {
    struct draw_context *draw;
 
@@ -122,7 +132,9 @@ struct draw_llvm_variant
 {
    struct draw_llvm_variant_key key;
    LLVMValueRef function;
+   LLVMValueRef function_elts;
    draw_jit_vert_func jit_func;
+   draw_jit_vert_func_elts jit_func_elts;
 
    struct draw_llvm_variant *next;
 };