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/*
* Copyright (C) 2018 Jonathan Marek <jonathan@marek.ca>
*
* 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 (including the next
* paragraph) 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 OR COPYRIGHT HOLDERS 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.
*
* Authors:
* Jonathan Marek <jonathan@marek.ca>
*/
#ifndef IR2_H_
#define IR2_H_
#include "compiler/nir/nir.h"
#include "pipe/p_context.h"
struct ir2_fetch_info {
/* dword offset of the fetch instruction */
uint16_t offset;
union {
/* swizzle to merge with tgsi swizzle */
struct {
uint16_t dst_swiz;
} vtx;
/* sampler id to patch const_idx */
struct {
uint16_t samp_id;
uint8_t src_swiz;
} tex;
};
};
struct ir2_shader_info {
/* compiler shader */
uint32_t *dwords;
/* size of the compiled shader in dwords */
uint16_t sizedwords;
/* highest GPR # used by shader */
int8_t max_reg;
/* offset in dwords of first MEMORY export CF (for a20x hw binning) */
int16_t mem_export_ptr;
/* fetch instruction info for patching */
uint16_t num_fetch_instrs;
struct ir2_fetch_info fetch_info[64];
};
struct ir2_frag_linkage {
unsigned inputs_count;
struct {
uint8_t slot;
uint8_t ncomp;
} inputs[16];
/* driver_location of fragcoord.zw, -1 if not used */
int fragcoord;
};
struct ir2_shader_variant {
struct ir2_shader_info info;
struct ir2_frag_linkage f;
};
struct fd2_shader_stateobj;
struct tgsi_token;
void ir2_compile(struct fd2_shader_stateobj *so, unsigned variant,
struct fd2_shader_stateobj *fp);
struct nir_shader *ir2_tgsi_to_nir(const struct tgsi_token *tokens,
struct pipe_screen *screen);
const nir_shader_compiler_options *ir2_get_compiler_options(void);
int ir2_optimize_nir(nir_shader *s, bool lower);
#endif /* IR2_H_ */
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