1#ifndef LP_STATE_SETUP_H
2#define LP_STATE_SETUP_H
3
4#include "lp_bld_interp.h"
5
6
7struct llvmpipe_context;
8struct lp_setup_variant;
9
10struct lp_setup_variant_list_item
11{
12   struct lp_setup_variant *base;
13   struct lp_setup_variant_list_item *next, *prev;
14};
15
16
17struct lp_setup_variant_key {
18   unsigned size:16;
19   unsigned num_inputs:8;
20   int color_slot:8;
21   int bcolor_slot:8;
22   int spec_slot:8;
23   int bspec_slot:8;
24   unsigned flatshade_first:1;
25   unsigned pixel_center_half:1;
26   unsigned twoside:1;
27   unsigned floating_point_depth:1;
28   unsigned pad:4;
29
30   /* TODO: get those floats out of the key and use a jit_context for setup */
31   float pgon_offset_units;
32   float pgon_offset_scale;
33   float pgon_offset_clamp;
34   struct lp_shader_input inputs[PIPE_MAX_SHADER_INPUTS];
35};
36
37
38typedef void (*lp_jit_setup_triangle)( const float (*v0)[4],
39				       const float (*v1)[4],
40				       const float (*v2)[4],
41				       boolean front_facing,
42				       float (*a0)[4],
43				       float (*dadx)[4],
44				       float (*dady)[4] );
45
46
47
48
49/* At this stage, for a given variant key, we create a
50 * draw_vertex_info struct telling the draw module how to format the
51 * vertices, and an llvm-generated function which calculates the
52 * attribute interpolants (a0, dadx, dady) from three of those
53 * vertices.
54 */
55struct lp_setup_variant {
56   struct lp_setup_variant_key key;
57
58   struct lp_setup_variant_list_item list_item_global;
59
60   struct gallivm_state *gallivm;
61
62   /* XXX: this is a pointer to the LLVM IR.  Once jit_function is
63    * generated, we never need to use the IR again - need to find a
64    * way to release this data without destroying the generated
65    * assembly.
66    */
67   LLVMValueRef function;
68
69   /* The actual generated setup function:
70    */
71   lp_jit_setup_triangle jit_function;
72
73   unsigned no;
74};
75
76void lp_delete_setup_variants(struct llvmpipe_context *lp);
77
78void
79lp_dump_setup_coef( const struct lp_setup_variant_key *key,
80		    const float (*sa0)[4],
81		    const float (*sdadx)[4],
82		    const float (*sdady)[4]);
83
84#endif
85