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/*
* Mesa 3-D graphics library
*
* Copyright (C) 2012-2013 LunarG, Inc.
*
* 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 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:
* Chia-I Wu <olv@lunarg.com>
*/
#ifndef TOY_TGSI_H
#define TOY_TGSI_H
#include "pipe/p_state.h"
#include "pipe/p_shader_tokens.h"
#include "toy_compiler.h"
struct tgsi_token;
struct tgsi_full_instruction;
struct util_hash_table;
typedef void (*toy_tgsi_translate)(struct toy_compiler *tc,
const struct tgsi_full_instruction *tgsi_inst,
struct toy_dst *dst,
struct toy_src *src);
struct toy_tgsi {
struct toy_compiler *tc;
bool aos;
const toy_tgsi_translate *translate_table;
struct util_hash_table *reg_mapping;
struct {
bool vs_prohibit_ucps;
int fs_coord_origin;
int fs_coord_pixel_center;
bool fs_color0_writes_all_cbufs;
int fs_depth_layout;
int gs_input_prim;
int gs_output_prim;
int gs_max_output_vertices;
} props;
struct {
enum toy_type *types;
uint32_t (*buf)[4];
int cur, size;
} imm_data;
struct {
int index:16;
unsigned usage_mask:4; /* TGSI_WRITEMASK_x */
unsigned semantic_name:8; /* TGSI_SEMANTIC_x */
unsigned semantic_index:8;
unsigned interp:4; /* TGSI_INTERPOLATE_x */
unsigned centroid:1;
} inputs[PIPE_MAX_SHADER_INPUTS];
int num_inputs;
struct {
int index:16;
unsigned undefined_mask:4;
unsigned usage_mask:4; /* TGSI_WRITEMASK_x */
unsigned semantic_name:8; /* TGSI_SEMANTIC_x */
unsigned semantic_index:8;
} outputs[PIPE_MAX_SHADER_OUTPUTS];
int num_outputs;
struct {
int index:16;
unsigned semantic_name:8; /* TGSI_SEMANTIC_x */
unsigned semantic_index:8;
} system_values[8];
int num_system_values;
int const_count;
bool const_indirect;
bool uses_kill;
};
/**
* Find the slot of the TGSI input.
*/
static inline int
toy_tgsi_find_input(const struct toy_tgsi *tgsi, int index)
{
int slot;
for (slot = 0; slot < tgsi->num_inputs; slot++) {
if (tgsi->inputs[slot].index == index)
return slot;
}
return -1;
}
/**
* Find the slot of the TGSI system value.
*/
static inline int
toy_tgsi_find_system_value(const struct toy_tgsi *tgsi, int index)
{
int slot;
for (slot = 0; slot < tgsi->num_system_values; slot++) {
if (tgsi->system_values[slot].index == index)
return slot;
}
return -1;
}
/**
* Return the immediate data of the TGSI immediate.
*/
static inline const uint32_t *
toy_tgsi_get_imm(const struct toy_tgsi *tgsi, unsigned index,
enum toy_type *type)
{
const uint32_t *imm;
if (index >= tgsi->imm_data.cur)
return NULL;
imm = tgsi->imm_data.buf[index];
if (type)
*type = tgsi->imm_data.types[index];
return imm;
}
void
toy_compiler_translate_tgsi(struct toy_compiler *tc,
const struct tgsi_token *tokens, bool aos,
struct toy_tgsi *tgsi);
void
toy_tgsi_cleanup(struct toy_tgsi *tgsi);
int
toy_tgsi_get_vrf(const struct toy_tgsi *tgsi,
enum tgsi_file_type file, int dimension, int index);
void
toy_tgsi_dump(const struct toy_tgsi *tgsi);
#endif /* TOY_TGSI_H */
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