diff options
Diffstat (limited to 'src/gallium')
-rw-r--r-- | src/gallium/drivers/cell/spu/spu_per_fragment_op.c | 49 |
1 files changed, 46 insertions, 3 deletions
diff --git a/src/gallium/drivers/cell/spu/spu_per_fragment_op.c b/src/gallium/drivers/cell/spu/spu_per_fragment_op.c index d252fa6dc1..9404704abf 100644 --- a/src/gallium/drivers/cell/spu/spu_per_fragment_op.c +++ b/src/gallium/drivers/cell/spu/spu_per_fragment_op.c @@ -40,6 +40,24 @@ #define LINEAR_QUAD_LAYOUT 1 +static INLINE vector float +spu_min(vector float a, vector float b) +{ + vector unsigned int m; + m = spu_cmpgt(a, b); /* m = a > b ? ~0 : 0 */ + return spu_sel(a, b, m); +} + + +static INLINE vector float +spu_max(vector float a, vector float b) +{ + vector unsigned int m; + m = spu_cmpgt(a, b); /* m = a > b ? ~0 : 0 */ + return spu_sel(b, a, m); +} + + /** * Called by rasterizer for each quad after the shader has run. Do * all the per-fragment operations including alpha test, z test, @@ -293,9 +311,9 @@ spu_fallback_fragment_ops(uint x, uint y, */ switch (spu.blend.rgb_dst_factor) { case PIPE_BLENDFACTOR_ONE: - term2r = fragR; - term2g = fragG; - term2b = fragB; + term2r = fbRGBA[0]; + term2g = fbRGBA[1]; + term2b = fbRGBA[2]; break; case PIPE_BLENDFACTOR_ZERO: term2r = @@ -361,8 +379,24 @@ spu_fallback_fragment_ops(uint x, uint y, fragG = spu_sub(term1g, term2g); fragB = spu_sub(term1b, term2b); break; + case PIPE_BLEND_REVERSE_SUBTRACT: + fragR = spu_sub(term2r, term1r); + fragG = spu_sub(term2g, term1g); + fragB = spu_sub(term2b, term1b); + break; + case PIPE_BLEND_MIN: + fragR = spu_min(term1r, term2r); + fragG = spu_min(term1g, term2g); + fragB = spu_min(term1b, term2b); + break; + case PIPE_BLEND_MAX: + fragR = spu_max(term1r, term2r); + fragG = spu_max(term1g, term2g); + fragB = spu_max(term1b, term2b); + break; /* XXX more cases */ default: + printf("unsup 0x%x\n", spu.blend.rgb_func); ASSERT(0); } @@ -376,6 +410,15 @@ spu_fallback_fragment_ops(uint x, uint y, case PIPE_BLEND_SUBTRACT: fragA = spu_sub(term1a, term2a); break; + case PIPE_BLEND_REVERSE_SUBTRACT: + fragA = spu_sub(term2a, term1a); + break; + case PIPE_BLEND_MIN: + fragA = spu_min(term1a, term2a); + break; + case PIPE_BLEND_MAX: + fragA = spu_max(term1a, term2a); + break; /* XXX more cases */ default: ASSERT(0); |