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Option to init vp temps(for testing)

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This commit is contained in:
Aapo Tahkola 2006-03-10 05:30:33 +00:00
parent 9c32af5bb2
commit 5042778449
1 changed files with 39 additions and 0 deletions
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39
src/mesa/drivers/dri/r300/r300_vertexprog.c
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@ -405,6 +405,39 @@ void translate_vertex_shader(struct r300_vertex_program *vp)
int u_temp_i=VSF_MAX_FRAGMENT_TEMPS-1;
struct prog_src_register src[3];
if (getenv("R300_VP_SAFETY")) {
WARN_ONCE("R300_VP_SAFETY enabled.\n");
vpi = malloc((mesa_vp->Base.NumInstructions + VSF_MAX_FRAGMENT_TEMPS) * sizeof(struct prog_instruction));
memset(vpi, 0, VSF_MAX_FRAGMENT_TEMPS * sizeof(struct prog_instruction));
for (i=0; i < VSF_MAX_FRAGMENT_TEMPS; i++) {
vpi[i].Opcode = OPCODE_MOV;
vpi[i].StringPos = 0;
vpi[i].Data = 0;
vpi[i].DstReg.File = PROGRAM_TEMPORARY;
vpi[i].DstReg.Index = i;
vpi[i].DstReg.WriteMask = WRITEMASK_XYZW;
vpi[i].DstReg.CondMask = COND_TR;
vpi[i].SrcReg[0].File = PROGRAM_STATE_VAR;
vpi[i].SrcReg[0].Index = 0;
vpi[i].SrcReg[0].Swizzle = MAKE_SWIZZLE4(SWIZZLE_ONE, SWIZZLE_ONE, SWIZZLE_ONE, SWIZZLE_ONE);
}
memcpy(&vpi[i], mesa_vp->Base.Instructions, mesa_vp->Base.NumInstructions * sizeof(struct prog_instruction));
free(mesa_vp->Base.Instructions);
mesa_vp->Base.Instructions = vpi;
mesa_vp->Base.NumInstructions += VSF_MAX_FRAGMENT_TEMPS;
vpi = &mesa_vp->Base.Instructions[mesa_vp->Base.NumInstructions-1];
assert(vpi->Opcode == OPCODE_END);
}
if (mesa_vp->IsPositionInvariant) {
struct program_parameter_list *paramList;
GLint tokens[6] = { STATE_MATRIX, STATE_MVP, 0, 0, 0, STATE_MATRIX };
@ -952,6 +985,12 @@ void translate_vertex_shader(struct r300_vertex_program *vp)
next: ;
}
/* Will most likely segfault before we get here... fix later. */
if(o_inst - vp->program.body.i >= VSF_MAX_FRAGMENT_LENGTH/4) {
vp->program.length = 0;
vp->native = GL_FALSE;
return ;
}
vp->program.length=(o_inst - vp->program.body.i) * 4;
#if 0
fprintf(stderr, "hw program:\n");