Sweden-Number/dlls/d3dx9_36/asmparser.c

191 lines
6.5 KiB
C

/*
* Direct3D asm shader parser
*
* Copyright 2008 Stefan Dösinger
* Copyright 2009 Matteo Bruni
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*
*/
#include "config.h"
#include "wine/port.h"
#include "wine/debug.h"
#include "d3dx9_36_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(asmshader);
WINE_DECLARE_DEBUG_CHANNEL(parsed_shader);
/****************************************************************
* Common(non-version specific) shader parser control code *
****************************************************************/
static void asmparser_end(struct asm_parser *This) {
TRACE("Finalizing shader\n");
}
static void asmparser_dcl_output(struct asm_parser *This, DWORD usage, DWORD num,
const struct shader_reg *reg) {
if(!This->shader) return;
if(This->shader->type == ST_PIXEL) {
asmparser_message(This, "Line %u: Output register declared in a pixel shader\n", This->line_no);
set_parse_status(This, PARSE_ERR);
}
if(!record_declaration(This->shader, usage, num, TRUE, reg->regnum, reg->writemask)) {
ERR("Out of memory\n");
set_parse_status(This, PARSE_ERR);
}
}
static void asmparser_dcl_input(struct asm_parser *This, DWORD usage, DWORD num,
const struct shader_reg *reg) {
if(!This->shader) return;
if(!record_declaration(This->shader, usage, num, FALSE, reg->regnum, reg->writemask)) {
ERR("Out of memory\n");
set_parse_status(This, PARSE_ERR);
}
}
static void asmparser_dcl_sampler(struct asm_parser *This, DWORD samptype, DWORD regnum, unsigned int line_no) {
if(!This->shader) return;
if(!record_sampler(This->shader, samptype, regnum)) {
ERR("Out of memory\n");
set_parse_status(This, PARSE_ERR);
}
}
static void asmparser_instr(struct asm_parser *This, DWORD opcode,
DWORD mod, DWORD shift,
BWRITER_COMPARISON_TYPE comp,
const struct shader_reg *dst,
const struct src_regs *srcs, int expectednsrcs) {
struct instruction *instr;
unsigned int i;
BOOL firstreg = TRUE;
unsigned int src_count = srcs ? srcs->count : 0;
if(!This->shader) return;
TRACE_(parsed_shader)("%s%s%s ", debug_print_opcode(opcode),
debug_print_dstmod(mod),
debug_print_comp(comp));
if(dst) {
TRACE_(parsed_shader)("%s", debug_print_dstreg(dst, This->shader->type));
firstreg = FALSE;
}
for(i = 0; i < src_count; i++) {
if(!firstreg) TRACE_(parsed_shader)(", ");
else firstreg = FALSE;
TRACE_(parsed_shader)("%s", debug_print_srcreg(&srcs->reg[i],
This->shader->type));
}
TRACE_(parsed_shader)("\n");
if(src_count != expectednsrcs) {
asmparser_message(This, "Line %u: Wrong number of source registers\n", This->line_no);
set_parse_status(This, PARSE_ERR);
return;
}
instr = alloc_instr(src_count);
if(!instr) {
ERR("Error allocating memory for the instruction\n");
set_parse_status(This, PARSE_ERR);
return;
}
instr->opcode = opcode;
instr->dstmod = mod;
instr->shift = shift;
instr->comptype = comp;
if(dst) This->funcs->dstreg(This, instr, dst);
for(i = 0; i < src_count; i++) {
This->funcs->srcreg(This, instr, i, &srcs->reg[i]);
}
if(!add_instruction(This->shader, instr)) {
ERR("Out of memory\n");
set_parse_status(This, PARSE_ERR);
}
}
static void asmparser_srcreg_vs_3(struct asm_parser *This,
struct instruction *instr, int num,
const struct shader_reg *src) {
memcpy(&instr->src[num], src, sizeof(*src));
}
static void asmparser_dstreg_vs_3(struct asm_parser *This,
struct instruction *instr,
const struct shader_reg *dst) {
memcpy(&instr->dst, dst, sizeof(*dst));
instr->has_dst = TRUE;
}
static void asmparser_predicate_supported(struct asm_parser *This,
const struct shader_reg *predicate) {
/* this sets the predicate of the last instruction added to the shader */
if(!This->shader) return;
if(This->shader->num_instrs == 0) ERR("Predicate without an instruction\n");
This->shader->instr[This->shader->num_instrs - 1]->has_predicate = TRUE;
memcpy(&This->shader->instr[This->shader->num_instrs - 1]->predicate, predicate, sizeof(*predicate));
}
#if 0
static void asmparser_predicate_unsupported(struct asm_parser *This,
const struct shader_reg *predicate) {
asmparser_message(This, "Line %u: Predicate not supported in < VS 2.0 or PS 2.x\n", This->line_no);
set_parse_status(This, PARSE_ERR);
}
#endif
static void asmparser_coissue_unsupported(struct asm_parser *This) {
asmparser_message(This, "Line %u: Coissue is only supported in pixel shaders versions <= 1.4\n", This->line_no);
set_parse_status(This, PARSE_ERR);
}
static const struct asmparser_backend parser_vs_3 = {
asmparser_dstreg_vs_3,
asmparser_srcreg_vs_3,
asmparser_predicate_supported,
asmparser_coissue_unsupported,
asmparser_dcl_output,
asmparser_dcl_input,
asmparser_dcl_sampler,
asmparser_end,
asmparser_instr,
};
void create_vs30_parser(struct asm_parser *ret) {
TRACE_(parsed_shader)("vs_3_0\n");
ret->shader = asm_alloc(sizeof(*ret->shader));
if(!ret->shader) {
ERR("Failed to allocate memory for the shader\n");
set_parse_status(ret, PARSE_ERR);
return;
}
ret->shader->type = ST_VERTEX;
ret->shader->version = BWRITERVS_VERSION(3, 0);
ret->funcs = &parser_vs_3;
}