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Cell: move ztest before color interp/packing

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This commit is contained in:
Brian 2008-02-01 14:02:22 -07:00
parent c392cc8f1b
commit 0e9a370ae2
1 changed files with 21 additions and 22 deletions
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43
src/mesa/pipe/cell/spu/spu_tri.c
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@ -316,24 +316,6 @@ emit_quad( int x, int y, mask_t mask )
setup.quad.mask = mask;
sp->quad.first->run(sp->quad.first, &setup.quad);
#else
/* Cell: "write" quad fragments to the tile by setting prim color */
const int ix = x - setup.cliprect_minx;
const int iy = y - setup.cliprect_miny;
uint colors[4]; /* indexed by QUAD_x */
if (spu.texture.start) {
float4 texcoords[4];
uint i;
eval_coeff(2, (float) x, (float) y, texcoords);
for (i = 0; i < 4; i++) {
colors[i] = sample_texture(texcoords[i]);
}
}
else {
float4 fcolors[4];
eval_coeff(1, (float) x, (float) y, fcolors);
pack_colors(colors, fcolors);
}
if (spu.depth_stencil.depth.enabled) {
mask = do_depth_test(x, y, mask);
@ -341,6 +323,23 @@ emit_quad( int x, int y, mask_t mask )
/* If any bits in mask are set... */
if (spu_extract(spu_orx(mask), 0)) {
const int ix = x - setup.cliprect_minx;
const int iy = y - setup.cliprect_miny;
uint colors[4]; /* indexed by QUAD_x */
if (spu.texture.start) {
float4 texcoords[4];
uint i;
eval_coeff(2, (float) x, (float) y, texcoords);
for (i = 0; i < 4; i++) {
colors[i] = sample_texture(texcoords[i]);
}
}
else {
float4 fcolors[4];
eval_coeff(1, (float) x, (float) y, fcolors);
pack_colors(colors, fcolors);
}
if (cur_tile_status_c == TILE_STATUS_CLEAR) {
/* now, _really_ clear the tile */
@ -348,6 +347,7 @@ emit_quad( int x, int y, mask_t mask )
}
cur_tile_status_c = TILE_STATUS_DIRTY;
#if 1
if (spu_extract(mask, 0))
ctile.ui[iy][ix] = colors[QUAD_TOP_LEFT];
if (spu_extract(mask, 1))
@ -356,11 +356,10 @@ emit_quad( int x, int y, mask_t mask )
ctile.ui[iy+1][ix] = colors[QUAD_BOTTOM_LEFT];
if (spu_extract(mask, 3))
ctile.ui[iy+1][ix+1] = colors[QUAD_BOTTOM_RIGHT];
#if 0
#else
/* SIMD_Z with swizzled color buffer (someday) */
vector float icolors = *((vector float *) &colors);
ctile.f4[iy/2][ix/2].v = spu_sel(ctile.f4[iy/2][ix/2].v, icolors, mask);
vector unsigned int uicolors = *((vector unsigned int *) &colors);
ctile.ui4[iy/2][ix/2] = spu_sel(ctile.ui4[iy/2][ix/2], uicolors, mask);
#endif
}