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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_FP 0
/**
* \file arbfragparse.c
* ARB_fragment_program parser.
* \author Karl Rasche
*/
#include "glheader.h"
#include "context.h"
#include "imports.h"
#include "macros.h"
#include "mtypes.h"
#include "program.h"
#include "arbprogparse.h"
#include "arbfragparse.h"
void
_mesa_parse_arb_fragment_program(GLcontext * ctx, GLenum target,
const GLubyte * str, GLsizei len,
struct fragment_program *program)
{
GLuint i;
struct arb_program ap;
struct prog_instruction *newInstructions;
(void) target;
/* set the program target before parsing */
ap.Base.Target = GL_FRAGMENT_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
* fragment_program struct.
*/
/* copy instruction buffer */
newInstructions = (struct prog_instruction *)
_mesa_malloc(ap.Base.NumInstructions * sizeof(struct prog_instruction));
if (!newInstructions) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glProgramStringARB");
return;
}
_mesa_memcpy(newInstructions, ap.FPInstructions,
ap.Base.NumInstructions * sizeof(struct prog_instruction));
if (program->Instructions)
_mesa_free(program->Instructions);
program->Instructions = newInstructions;
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->NumAluInstructions = ap.NumAluInstructions;
program->NumTexInstructions = ap.NumTexInstructions;
program->NumTexIndirections = ap.NumTexIndirections;
program->InputsRead = ap.InputsRead;
program->OutputsWritten = ap.OutputsWritten;
for (i = 0; i < MAX_TEXTURE_IMAGE_UNITS; i++)
program->TexturesUsed[i] = ap.TexturesUsed[i];
if (program->Parameters) {
/* free previous program's parameters */
_mesa_free_parameter_list(program->Parameters);
}
program->Parameters = ap.Parameters;
program->FogOption = ap.FogOption;
#if DEBUG_FP
_mesa_print_program(ap.Base.NumInstructions, ap.FPInstructions);
#endif
}
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