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