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Free temps when possible

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This commit is contained in:
Aapo Tahkola
2006-02-28 23:39:32 +00:00
parent 71932ef85c
commit fbe48ef01f
1 changed files with 15 additions and 11 deletions
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26
src/mesa/drivers/dri/r300/r300_vertexprog.c
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@@ -380,7 +380,16 @@ static unsigned long op_operands(enum prog_opcode opcode)
/* DP4 version seems to trigger some hw peculiarity */
//#define PREFER_DP4
#define FREE_TEMPS() \
do { \
if(u_temp_i < vp->num_temporaries) { \
WARN_ONCE("Ran out of temps, num temps %d, us %d\n", vp->num_temporaries, u_temp_i); \
vp->native = GL_FALSE; \
} \
u_temp_i=VSF_MAX_FRAGMENT_TEMPS-1; \
} while (0)
void translate_vertex_shader(struct r300_vertex_program *vp)
{
struct vertex_program *mesa_vp=(void *)vp;
@@ -522,8 +531,12 @@ void translate_vertex_shader(struct r300_vertex_program *vp)
if(mesa_vp->Base.OutputsWritten & (1 << i))
vp->outputs[i] = cur_reg++;
vp->translated = GL_TRUE;
vp->native = GL_TRUE;
o_inst=vp->program.body.i;
for(vpi=mesa_vp->Base.Instructions; vpi->Opcode != OPCODE_END; vpi++, o_inst++){
FREE_TEMPS();
operands=op_operands(vpi->Opcode);
are_srcs_scalar=operands & SCALAR_FLAG;
@@ -552,6 +565,7 @@ void translate_vertex_shader(struct r300_vertex_program *vp)
}
}
if(operands >= 2){
if( CMP_SRCS(src[1], src[0]) ){
o_inst->op=MAKE_VSF_OP(R300_VPI_OUT_OP_ADD, u_temp_i,
@@ -580,7 +594,6 @@ void translate_vertex_shader(struct r300_vertex_program *vp)
o_inst->src1=t_src_scalar(vp, &src[0]);
o_inst->src2=ZERO_SRC_0;
o_inst->src3=t_src_scalar(vp, &src[1]);
WARN_ONCE("Inst was previously broken!\n");
goto next;
case OPCODE_MOV://ADD RESULT 1.X Y Z W PARAM 0{} {X Y Z W} PARAM 0{} {ZERO ZERO ZERO ZERO}
@@ -946,15 +959,6 @@ void translate_vertex_shader(struct r300_vertex_program *vp)
fprintf(stderr, "%08x\n", vp->program.body.d[i]);
#endif
if(u_temp_i < vp->num_temporaries){
WARN_ONCE("Ran out of temps, num temps %d, us %d\n", vp->num_temporaries, u_temp_i);
vp->translated=GL_TRUE; //GL_FALSE; /* temps exhausted - program cannot be run */
vp->native = GL_FALSE;
}else{
vp->translated=GL_TRUE;
vp->native = GL_TRUE;
}
if (mesa_vp->IsNVProgram)
vp->native = GL_FALSE;
}