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#ifndef LP_BLD_ACTION_H
#define LP_BLD_ACTION_H
struct lp_build_tgsi_context;
struct lp_build_emit_data {
/* Arguments that are passed to lp_build_opcode_action::emit. The
* order of the arguments should be as follows:
* SOA: s0.x, s0.y, s0.z, s0.w, s1.x, s1.y, s1.z, s1.w, s2.x, s2.y, s2.x, s2.w
* AOS: s0.xyzw, s1.xyzw, s2.xyzw
* TEXTURE Instructions: coord.xyzw
*
* Arguments should be packed into the args array. For example an SOA
* instructions that reads s0.x and s1.x args should look like this:
* args[0] = s0.x;
* args[1] = s1.x;
*/
LLVMValueRef args[12];
unsigned arg_count;
LLVMTypeRef dst_type;
unsigned chan;
/* These fields (inst and info) should be NULL if the
* lp_build_opcode_action::emit is called without first calling the
* lp_build_opcode_action::fetch_args function.
* For example, if TGSI_OPCODE_MAD is implemented using a MUL
* instruction and an ADD instruction, when the emit functions are
* called for MUL and ADD inst and info should be NULL.
*/
const struct tgsi_full_instruction * inst;
const struct tgsi_opcode_info * info;
};
struct lp_build_opcode_action
{
void (*fetch_args)(struct lp_build_tgsi_context *,
struct lp_build_emit_data *);
LLVMValueRef (*emit)(const struct lp_build_opcode_action *,
struct lp_build_tgsi_context *,
struct lp_build_emit_data *);
const char * intr_name;
};
#endif /* LP_BLD_ACTION_H */
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