1 #ifndef LP_STATE_SETUP_H
2 #define LP_STATE_SETUP_H
4 #include "lp_bld_interp.h"
7 struct llvmpipe_context
;
8 struct lp_setup_variant
;
10 struct lp_setup_variant_list_item
12 struct lp_setup_variant
*base
;
13 struct lp_setup_variant_list_item
*next
, *prev
;
17 struct lp_setup_variant_key
{
18 unsigned num_inputs
:8;
19 unsigned flatshade_first
:1;
20 unsigned pixel_center_half
:1;
23 struct lp_shader_input inputs
[PIPE_MAX_SHADER_INPUTS
];
27 typedef void (*lp_jit_setup_triangle
)( const float (*v0
)[4],
34 const struct lp_setup_variant_key
*key
);
39 /* At this stage, for a given variant key, we create a
40 * draw_vertex_info struct telling the draw module how to format the
41 * vertices, and an llvm-generated function which calculates the
42 * attribute interpolants (a0, dadx, dady) from three of those
45 struct lp_setup_variant
{
46 struct lp_setup_variant_key key
;
48 struct lp_setup_variant_list_item list_item_global
;
50 /* XXX: this is a pointer to the LLVM IR. Once jit_function is
51 * generated, we never need to use the IR again - need to find a
52 * way to release this data without destroying the generated
55 LLVMValueRef function
;
57 /* The actual generated setup function:
59 lp_jit_setup_triangle jit_function
;
64 void lp_setup_tri_fallback( const float (*v0
)[4],
71 const struct lp_setup_variant_key
*key
);
73 void lp_delete_setup_variants(struct llvmpipe_context
*lp
);
76 lp_dump_setup_coef( const struct lp_setup_variant_key
*key
,
77 const float (*sa0
)[4],
78 const float (*sdadx
)[4],
79 const float (*sdady
)[4]);