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#ifndef LP_STATE_SETUP_H
#define LP_STATE_SETUP_H
#include "lp_bld_interp.h"
struct llvmpipe_context;
struct lp_setup_variant;
struct lp_setup_variant_list_item
{
struct lp_setup_variant *base;
struct lp_setup_variant_list_item *next, *prev;
};
struct lp_setup_variant_key {
unsigned num_inputs:8;
unsigned flatshade_first:1;
unsigned pixel_center_half:1;
unsigned twoside:1;
unsigned pad:6;
unsigned size:16;
struct lp_shader_input inputs[PIPE_MAX_SHADER_INPUTS];
};
typedef void (*lp_jit_setup_triangle)( const float (*v0)[4],
const float (*v1)[4],
const float (*v2)[4],
boolean front_facing,
float (*a0)[4],
float (*dadx)[4],
float (*dady)[4] );
/* At this stage, for a given variant key, we create a
* draw_vertex_info struct telling the draw module how to format the
* vertices, and an llvm-generated function which calculates the
* attribute interpolants (a0, dadx, dady) from three of those
* vertices.
*/
struct lp_setup_variant {
struct lp_setup_variant_key key;
struct lp_setup_variant_list_item list_item_global;
/* XXX: this is a pointer to the LLVM IR. Once jit_function is
* generated, we never need to use the IR again - need to find a
* way to release this data without destroying the generated
* assembly.
*/
LLVMValueRef function;
/* The actual generated setup function:
*/
lp_jit_setup_triangle jit_function;
unsigned no;
};
void lp_setup_tri_fallback( const float (*v0)[4],
const float (*v1)[4],
const float (*v2)[4],
boolean front_facing,
float (*a0)[4],
float (*dadx)[4],
float (*dady)[4],
const struct lp_setup_variant_key *key );
void lp_delete_setup_variants(struct llvmpipe_context *lp);
void
lp_dump_setup_coef( const struct lp_setup_variant_key *key,
const float (*sa0)[4],
const float (*sdadx)[4],
const float (*sdady)[4]);
#endif
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