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/*
* Copyright 2010 Ben Skeggs
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef __NV50_PROG_H__
#define __NV50_PROG_H__
#include "pipe/p_state.h"
#include "tgsi/tgsi_scan.h"
#include "nouveau/nouveau_class.h"
struct nv50_varying {
uint8_t id; /* tgsi index */
uint8_t hw; /* hw index, nv50 wants flat FP inputs last */
uint8_t mask : 4;
uint8_t linear : 1;
uint8_t pad : 3;
ubyte sn; /* semantic name */
ubyte si; /* semantic index */
};
struct nv50_program {
struct pipe_shader_state pipe;
ubyte type;
boolean translated;
struct nouveau_bo *bo;
struct nouveau_stateobj *so;
uint32_t *code;
unsigned code_size;
unsigned code_start; /* offset inside bo */
uint32_t *immd;
unsigned immd_size;
unsigned parm_size; /* size limit of uniform buffer */
ubyte max_gpr; /* REG_ALLOC_TEMP */
ubyte max_out; /* REG_ALLOC_RESULT or FP_RESULT_COUNT */
ubyte in_nr;
ubyte out_nr;
struct nv50_varying in[16];
struct nv50_varying out[16];
struct {
uint32_t attrs[3]; /* VP_ATTR_EN_0,1 and VP_GP_BUILTIN_ATTR_EN */
ubyte psiz;
ubyte bfc[2];
ubyte edgeflag;
ubyte clpd;
ubyte clpd_nr;
} vp;
struct {
uint32_t flags[2]; /* 0x19a8, 196c */
uint32_t interp; /* 0x1988 */
uint32_t colors; /* 0x1904 */
} fp;
struct {
ubyte primid; /* primitive id output register */
uint8_t vert_count;
uint8_t prim_type; /* point, line strip or tri strip */
} gp;
void *fixups;
unsigned num_fixups;
};
#define NV50_INTERP_LINEAR (1 << 0)
#define NV50_INTERP_FLAT (1 << 1)
#define NV50_INTERP_CENTROID (1 << 2)
#define NV50_PROG_MAX_SUBROUTINES 8
/* analyze TGSI and see which TEMP[] are used as subroutine inputs/outputs */
struct nv50_subroutine {
int id;
uint32_t argv[4][1]; /* 4 bitmasks, for each of xyzw, only allow 32 TEMPs */
uint32_t retv[4][1];
};
struct nv50_translation_info {
struct nv50_program *p;
unsigned inst_nr;
ubyte input_file;
ubyte output_file;
ubyte input_map[PIPE_MAX_SHADER_INPUTS][4];
ubyte output_map[PIPE_MAX_SHADER_OUTPUTS][4];
ubyte interp_mode[PIPE_MAX_SHADER_INPUTS];
int input_access[PIPE_MAX_SHADER_INPUTS][4];
int output_access[PIPE_MAX_SHADER_OUTPUTS][4];
boolean indirect_inputs;
boolean indirect_outputs;
struct tgsi_shader_info scan;
uint32_t *immd32;
unsigned immd32_nr;
ubyte edgeflag_out;
struct nv50_subroutine subr[NV50_PROG_MAX_SUBROUTINES];
int subr_nr;
};
int nv50_generate_code(struct nv50_translation_info *ti);
boolean nv50_program_tx(struct nv50_program *p);
#endif /* __NV50_PROG_H__ */
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