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/*
* Mesa 3-D graphics library
* Version: 6.2
*
* Copyright (C) 1999-2004 Brian Paul All Rights Reserved.
*
* 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
* BRIAN PAUL 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.
*/
#define DEBUG_VP 0
/**
* \file arbvertparse.c
* ARB_vertex_program parser.
* \author Karl Rasche
*/
#include "glheader.h"
#include "context.h"
#include "arbvertparse.h"
#include "hash.h"
#include "imports.h"
#include "macros.h"
#include "mtypes.h"
#include "program.h"
#include "nvprogram.h"
#include "nvvertparse.h"
#include "nvvertprog.h"
#include "arbprogparse.h"
/**
* XXX this is probably redundant. We've already got code like this
* in the nvvertparse.c file. Combine/clean-up someday.
*/
void _mesa_debug_vp_inst(GLint num, struct vp_instruction *vp)
{
GLint a;
static const char *opcode_string[] = {
"ABS",
"ADD",
"ARL",
"DP3",
"DP4",
"DPH",
"DST",
"END", /* Placeholder */
"EX2", /* ARB only */
"EXP",
"FLR", /* ARB */
"FRC", /* ARB */
"LG2", /* ARB only */
"LIT",
"LOG",
"MAD",
"MAX",
"MIN",
"MOV",
"MUL",
"POW", /* ARB only */
"PRINT", /* Mesa only */
"RCC",
"RCP",
"RSQ",
"SGE",
"SLT",
"SUB",
"SWZ", /* ARB only */
"XPD" /* ARB only */
};
static const char *file_string[] = {
"TEMP",
"INPUT",
"OUTPUT",
"LOCAL",
"ENV",
"NAMED",
"STATE",
"WRITE_ONLY",
"ADDR"
};
static const char swz[] = "xyzw01??";
for (a=0; a<num; a++) {
_mesa_printf("%s", opcode_string[vp[a].Opcode]);
if (vp[a].DstReg.File != 0xf) {
if (vp[a].DstReg.WriteMask != 0xf)
_mesa_printf(" %s[%d].%s%s%s%s ", file_string[vp[a].DstReg.File], vp[a].DstReg.Index,
GET_BIT(vp[a].DstReg.WriteMask, 0) ? "x" : "",
GET_BIT(vp[a].DstReg.WriteMask, 1) ? "y" : "",
GET_BIT(vp[a].DstReg.WriteMask, 2) ? "z" : "",
GET_BIT(vp[a].DstReg.WriteMask, 3) ? "w" : "");
else
_mesa_printf(" %s[%d] ", file_string[vp[a].DstReg.File], vp[a].DstReg.Index);
}
if (vp[a].SrcReg[0].File != 0xf) {
if (vp[a].SrcReg[0].Swizzle != SWIZZLE_NOOP ||
vp[a].SrcReg[0].Negate)
_mesa_printf("%s[%d].%s%c%c%c%c ", file_string[vp[a].SrcReg[0].File], vp[a].SrcReg[0].Index,
vp[a].SrcReg[0].Negate ? "-" : "",
swz[GET_SWZ(vp[a].SrcReg[0].Swizzle, 0)],
swz[GET_SWZ(vp[a].SrcReg[0].Swizzle, 1)],
swz[GET_SWZ(vp[a].SrcReg[0].Swizzle, 2)],
swz[GET_SWZ(vp[a].SrcReg[0].Swizzle, 3)]);
else
_mesa_printf("%s[%d] ", file_string[vp[a].SrcReg[0].File], vp[a].SrcReg[0].Index);
}
if (vp[a].SrcReg[1].File != 0xf) {
if (vp[a].SrcReg[1].Swizzle != SWIZZLE_NOOP ||
vp[a].SrcReg[1].Negate)
_mesa_printf("%s[%d].%s%c%c%c%c ", file_string[vp[a].SrcReg[1].File], vp[a].SrcReg[1].Index,
vp[a].SrcReg[1].Negate ? "-" : "",
swz[GET_SWZ(vp[a].SrcReg[1].Swizzle, 0)],
swz[GET_SWZ(vp[a].SrcReg[1].Swizzle, 1)],
swz[GET_SWZ(vp[a].SrcReg[1].Swizzle, 2)],
swz[GET_SWZ(vp[a].SrcReg[1].Swizzle, 3)]);
else
_mesa_printf("%s[%d] ", file_string[vp[a].SrcReg[1].File], vp[a].SrcReg[1].Index);
}
if (vp[a].SrcReg[2].File != 0xf) {
if (vp[a].SrcReg[2].Swizzle != SWIZZLE_NOOP ||
vp[a].SrcReg[2].Negate)
_mesa_printf("%s[%d].%s%c%c%c%c ", file_string[vp[a].SrcReg[2].File], vp[a].SrcReg[2].Index,
vp[a].SrcReg[2].Negate ? "-" : "",
swz[GET_SWZ(vp[a].SrcReg[2].Swizzle, 0)],
swz[GET_SWZ(vp[a].SrcReg[2].Swizzle, 1)],
swz[GET_SWZ(vp[a].SrcReg[2].Swizzle, 2)],
swz[GET_SWZ(vp[a].SrcReg[2].Swizzle, 3)]);
else
_mesa_printf("%s[%d] ", file_string[vp[a].SrcReg[2].File], vp[a].SrcReg[2].Index);
}
_mesa_printf("\n");
}
}
/**
* Parse the vertex program string. If success, update the given
* vertex_program object with the new program. Else, leave the vertex_program
* object unchanged.
*/
void
_mesa_parse_arb_vertex_program(GLcontext * ctx, GLenum target,
const GLubyte * str, GLsizei len,
struct vertex_program *program)
{
struct arb_program ap;
(void) target;
/* set the program target before parsing */
ap.Base.Target = GL_VERTEX_PROGRAM_ARB;
if (!_mesa_parse_arb_program(ctx, str, len, &ap)) {
/* Error in the program. Just return. */
return;
}
/* Copy the relevant contents of the arb_program struct into the
* vertex_program struct.
*/
program->Base.String = ap.Base.String;
program->Base.NumInstructions = ap.Base.NumInstructions;
program->Base.NumTemporaries = ap.Base.NumTemporaries;
program->Base.NumParameters = ap.Base.NumParameters;
program->Base.NumAttributes = ap.Base.NumAttributes;
program->Base.NumAddressRegs = ap.Base.NumAddressRegs;
program->IsPositionInvariant = ap.HintPositionInvariant;
program->InputsRead = ap.InputsRead;
program->OutputsWritten = ap.OutputsWritten;
program->Parameters = ap.Parameters;
program->Instructions = ap.VPInstructions;
#if DEBUG_VP
_mesa_debug_vp_inst(ap.Base.NumInstructions, ap.VPInstructions);
#endif
}
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