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