diff options
Diffstat (limited to 'src/gallium/drivers/cell/spu/spu_tri.c')
| -rw-r--r-- | src/gallium/drivers/cell/spu/spu_tri.c | 34 |
1 files changed, 30 insertions, 4 deletions
diff --git a/src/gallium/drivers/cell/spu/spu_tri.c b/src/gallium/drivers/cell/spu/spu_tri.c index 17e337bbdf..51abcb1757 100644 --- a/src/gallium/drivers/cell/spu/spu_tri.c +++ b/src/gallium/drivers/cell/spu/spu_tri.c @@ -311,17 +311,43 @@ emit_quad( int x, int y, mask_t mask ) if (spu.texture[0].start) { /* texture mapping */ + const uint unit = 0; vector float texcoords[4]; eval_coeff(2, (float) x, (float) y, texcoords); if (spu_extract(mask, 0)) - colors[0] = spu.sample_texture(texcoords[0]); + colors[0] = spu.sample_texture(unit, texcoords[0]); if (spu_extract(mask, 1)) - colors[1] = spu.sample_texture(texcoords[1]); + colors[1] = spu.sample_texture(unit, texcoords[1]); if (spu_extract(mask, 2)) - colors[2] = spu.sample_texture(texcoords[2]); + colors[2] = spu.sample_texture(unit, texcoords[2]); if (spu_extract(mask, 3)) - colors[3] = spu.sample_texture(texcoords[3]); + colors[3] = spu.sample_texture(unit, texcoords[3]); + + + if (spu.texture[1].start) { + /* multi-texture mapping */ + const uint unit = 1; + vector float colors1[4]; + + eval_coeff(3, (float) x, (float) y, texcoords); + + if (spu_extract(mask, 0)) + colors1[0] = spu.sample_texture(unit, texcoords[0]); + if (spu_extract(mask, 1)) + colors1[1] = spu.sample_texture(unit, texcoords[1]); + if (spu_extract(mask, 2)) + colors1[2] = spu.sample_texture(unit, texcoords[2]); + if (spu_extract(mask, 3)) + colors1[3] = spu.sample_texture(unit, texcoords[3]); + + /* hack: modulate first texture by second */ + colors[0] = spu_mul(colors[0], colors1[0]); + colors[1] = spu_mul(colors[1], colors1[1]); + colors[2] = spu_mul(colors[2], colors1[2]); + colors[3] = spu_mul(colors[3], colors1[3]); + } + } else { /* simple shading */ |