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/*
* Mesa 3-D graphics library
* Version: 6.1
*
* 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 "nvprogram.h"
#include "nvvertparse.h"
#include "nvvertprog.h"
#include "arbprogparse.h"
static GLvoid
debug_vp_inst(GLint num, struct vp_instruction *vp)
{
GLint a;
for (a=0; a<num; a++) {
switch (vp[a].Opcode) {
case VP_OPCODE_MOV:
fprintf(stderr, "VP_OPCODE_MOV"); break;
case VP_OPCODE_LIT:
fprintf(stderr, "VP_OPCODE_LIT"); break;
case VP_OPCODE_RCP:
fprintf(stderr, "VP_OPCODE_RCP"); break;
case VP_OPCODE_RSQ:
fprintf(stderr, "VP_OPCODE_RSQ"); break;
case VP_OPCODE_EXP:
fprintf(stderr, "VP_OPCODE_EXP"); break;
case VP_OPCODE_LOG:
fprintf(stderr, "VP_OPCODE_LOG"); break;
case VP_OPCODE_MUL:
fprintf(stderr, "VP_OPCODE_MUL"); break;
case VP_OPCODE_ADD:
fprintf(stderr, "VP_OPCODE_ADD"); break;
case VP_OPCODE_DP3:
fprintf(stderr, "VP_OPCODE_DP3"); break;
case VP_OPCODE_DP4:
fprintf(stderr, "VP_OPCODE_DP4"); break;
case VP_OPCODE_DST:
fprintf(stderr, "VP_OPCODE_DST"); break;
case VP_OPCODE_MIN:
fprintf(stderr, "VP_OPCODE_MIN"); break;
case VP_OPCODE_MAX:
fprintf(stderr, "VP_OPCODE_MAX"); break;
case VP_OPCODE_SLT:
fprintf(stderr, "VP_OPCODE_SLT"); break;
case VP_OPCODE_SGE:
fprintf(stderr, "VP_OPCODE_SGE"); break;
case VP_OPCODE_MAD:
fprintf(stderr, "VP_OPCODE_MAD"); break;
case VP_OPCODE_ARL:
fprintf(stderr, "VP_OPCODE_ARL"); break;
case VP_OPCODE_DPH:
fprintf(stderr, "VP_OPCODE_DPH"); break;
case VP_OPCODE_RCC:
fprintf(stderr, "VP_OPCODE_RCC"); break;
case VP_OPCODE_SUB:
fprintf(stderr, "VP_OPCODE_SUB"); break;
case VP_OPCODE_ABS:
fprintf(stderr, "VP_OPCODE_ABS"); break;
case VP_OPCODE_FLR:
fprintf(stderr, "VP_OPCODE_FLR"); break;
case VP_OPCODE_FRC:
fprintf(stderr, "VP_OPCODE_FRC"); break;
case VP_OPCODE_EX2:
fprintf(stderr, "VP_OPCODE_EX2"); break;
case VP_OPCODE_LG2:
fprintf(stderr, "VP_OPCODE_LG2"); break;
case VP_OPCODE_POW:
fprintf(stderr, "VP_OPCODE_POW"); break;
case VP_OPCODE_XPD:
fprintf(stderr, "VP_OPCODE_XPD"); break;
case VP_OPCODE_SWZ:
fprintf(stderr, "VP_OPCODE_SWZ"); break;
case VP_OPCODE_END:
fprintf(stderr, "VP_OPCODE_END"); break;
}
fprintf(stderr, " D(0x%x:%d:%d%d%d%d) ", vp[a].DstReg.File, vp[a].DstReg.Index,
vp[a].DstReg.WriteMask[0],
vp[a].DstReg.WriteMask[1],
vp[a].DstReg.WriteMask[2],
vp[a].DstReg.WriteMask[3]);
fprintf(stderr, "S1(0x%x:%d:%d%d%d%d) ", vp[a].SrcReg[0].File, vp[a].SrcReg[0].Index,
vp[a].SrcReg[0].Swizzle[0],
vp[a].SrcReg[0].Swizzle[1],
vp[a].SrcReg[0].Swizzle[2],
vp[a].SrcReg[0].Swizzle[3]);
fprintf(stderr, "S2(0x%x:%d:%d%d%d%d) ", vp[a].SrcReg[1].File, vp[a].SrcReg[1].Index,
vp[a].SrcReg[1].Swizzle[0],
vp[a].SrcReg[1].Swizzle[1],
vp[a].SrcReg[1].Swizzle[2],
vp[a].SrcReg[1].Swizzle[3]);
fprintf(stderr, "S3(0x%x:%d:%d%d%d%d)", vp[a].SrcReg[2].File, vp[a].SrcReg[2].Index,
vp[a].SrcReg[2].Swizzle[0],
vp[a].SrcReg[2].Swizzle[1],
vp[a].SrcReg[2].Swizzle[2],
vp[a].SrcReg[2].Swizzle[3]);
fprintf(stderr, "\n");
}
}
void
_mesa_parse_arb_vertex_program(GLcontext * ctx, GLenum target,
const GLubyte * str, GLsizei len,
struct vertex_program *program)
{
GLuint retval;
struct arb_program ap;
/* set the program target before parsing */
ap.Base.Target = GL_VERTEX_PROGRAM_ARB;
retval = _mesa_parse_arb_program(ctx, str, len, &ap);
/* Parse error. Allocate a dummy program and return */
if (retval)
{
program->Instructions = (struct vp_instruction *) _mesa_malloc (
sizeof(struct vp_instruction) );
program->Instructions[0].Opcode = VP_OPCODE_END;
return;
}
/* copy the relvant contents of the arb_program struct into the
* fragment_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;
/* Eh.. we parsed something that wasn't a vertex program. doh! */
/* this wont happen any more */
/*
if (ap.Base.Target != GL_VERTEX_PROGRAM_ARB)
{
program->Instructions = (struct vp_instruction *) _mesa_malloc (
sizeof(struct vp_instruction) );
program->Instructions[0].Opcode = VP_OPCODE_END;
_mesa_error (ctx, GL_INVALID_OPERATION, "Parsed a non-vertex program as a vertex program");
return;
}
*/
program->Instructions = ap.VPInstructions;
#if DEBUG_VP
debug_vp_inst(ap.Base.NumInstructions, ap.VPInstructions);
#else
(void) debug_vp_inst;
#endif
}
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