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More semi-trivial vectorization in the shader VM

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This commit is contained in:
Ian Romanick 2008-02-01 17:14:09 -08:00
parent 490a7b1c73
commit e8a80c8627
1 changed files with 27 additions and 35 deletions
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62
src/mesa/pipe/cell/spu/spu_exec.c
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@ -70,6 +70,7 @@
#include "pipe/tgsi/util/tgsi_util.h"
#include "spu_exec.h"
#include "spu_main.h"
#include "spu_vertex_shader.h"
#define TILE_TOP_LEFT 0
#define TILE_TOP_RIGHT 1
@ -144,23 +145,27 @@ spu_exec_machine_init(struct spu_exec_machine *mach,
struct spu_sampler *samplers,
unsigned processor)
{
qword zero;
qword not_zero;
uint i;
mach->Samplers = samplers;
mach->Processor = processor;
mach->Addrs = &mach->Temps[TGSI_EXEC_NUM_TEMPS];
zero = si_xor(zero, zero);
not_zero = si_xori(zero, 0xff);
/* Setup constants. */
for( i = 0; i < 4; i++ ) {
mach->Temps[TEMP_0_I].xyzw[TEMP_0_C].u[i] = 0x00000000;
mach->Temps[TEMP_7F_I].xyzw[TEMP_7F_C].u[i] = 0x7FFFFFFF;
mach->Temps[TEMP_80_I].xyzw[TEMP_80_C].u[i] = 0x80000000;
mach->Temps[TEMP_FF_I].xyzw[TEMP_FF_C].u[i] = 0xFFFFFFFF;
mach->Temps[TEMP_1_I].xyzw[TEMP_1_C].f[i] = 1.0f;
mach->Temps[TEMP_2_I].xyzw[TEMP_2_C].f[i] = 2.0f;
mach->Temps[TEMP_128_I].xyzw[TEMP_128_C].f[i] = 128.0f;
mach->Temps[TEMP_M128_I].xyzw[TEMP_M128_C].f[i] = -128.0f;
}
mach->Temps[TEMP_0_I].xyzw[TEMP_0_C].q = zero;
mach->Temps[TEMP_FF_I].xyzw[TEMP_FF_C].q = not_zero;
mach->Temps[TEMP_7F_I].xyzw[TEMP_7F_C].q = si_shli(not_zero, -1);
mach->Temps[TEMP_80_I].xyzw[TEMP_80_C].q = si_shli(not_zero, 31);
mach->Temps[TEMP_1_I].xyzw[TEMP_1_C].q = (qword) spu_splats(1.0f);
mach->Temps[TEMP_2_I].xyzw[TEMP_2_C].q = (qword) spu_splats(2.0f);
mach->Temps[TEMP_128_I].xyzw[TEMP_128_C].q = (qword) spu_splats(128.0f);
mach->Temps[TEMP_M128_I].xyzw[TEMP_M128_C].q = (qword) spu_splats(-128.0f);
}
@ -459,25 +464,16 @@ fetch_source(
&index2,
&indir_index );
index.i[0] += indir_index.i[0];
index.i[1] += indir_index.i[1];
index.i[2] += indir_index.i[2];
index.i[3] += indir_index.i[3];
index.q = si_a(index.q, indir_index.q);
}
if( reg->SrcRegister.Dimension ) {
switch( reg->SrcRegister.File ) {
case TGSI_FILE_INPUT:
index.i[0] *= 17;
index.i[1] *= 17;
index.i[2] *= 17;
index.i[3] *= 17;
index.q = si_mpyi(index.q, 17);
break;
case TGSI_FILE_CONSTANT:
index.i[0] *= 4096;
index.i[1] *= 4096;
index.i[2] *= 4096;
index.i[3] *= 4096;
index.q = si_shli(index.q, 12);
break;
default:
assert( 0 );
@ -505,10 +501,7 @@ fetch_source(
&index2,
&indir_index );
index.i[0] += indir_index.i[0];
index.i[1] += indir_index.i[1];
index.i[2] += indir_index.i[2];
index.i[3] += indir_index.i[3];
index.q = si_a(index.q, indir_index.q);
}
}
@ -666,17 +659,16 @@ fetch_texel( struct spu_sampler *sampler,
union spu_exec_channel *b,
union spu_exec_channel *a )
{
uint j;
float rgba[NUM_CHANNELS][QUAD_SIZE];
qword rgba[4];
qword out[4];
sampler->get_samples(sampler, s->f, t->f, p->f, lodbias, rgba);
sampler->get_samples(sampler, s->f, t->f, p->f, lodbias, (float *) rgba);
for (j = 0; j < 4; j++) {
r->f[j] = rgba[0][j];
g->f[j] = rgba[1][j];
b->f[j] = rgba[2][j];
a->f[j] = rgba[3][j];
}
spu_transpose_4x4(out, rgba);
r->q = out[0];
g->q = out[1];
b->q = out[2];
a->q = out[3];
}