llvmpipe: intrinsics version of triangle coeficient calculation
[mesa.git] / src / gallium / drivers / llvmpipe / lp_setup_coef.h
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27
28
29 /**
30 * The setup code is concerned with point/line/triangle setup and
31 * putting commands/data into the bins.
32 */
33
34
35 #ifndef LP_SETUP_COEF_H
36 #define LP_SETUP_COEF_H
37
38
39 struct lp_tri_info {
40
41 float x0_center;
42 float y0_center;
43
44 /* turn these into an aligned float[4] */
45 float dy01_ooa;
46 float dy20_ooa;
47 float dx01_ooa;
48 float dx20_ooa;
49
50 const float (*v0)[4];
51 const float (*v1)[4];
52 const float (*v2)[4];
53
54 boolean frontfacing; /* remove eventually */
55 };
56
57 void lp_setup_tri_coef( struct lp_setup_context *setup,
58 struct lp_rast_shader_inputs *inputs,
59 const struct lp_tri_info *info);
60
61 #endif