diff options
author | Ian Romanick <idr@us.ibm.com> | 2008-03-26 10:45:32 -0700 |
---|---|---|
committer | Ian Romanick <idr@us.ibm.com> | 2008-03-26 10:47:17 -0700 |
commit | 92126cea846959bb2152905a7712753d1114bd6b (patch) | |
tree | 23e2288011423533f0d8f554c254b2e50f0cae4f /src/gallium/drivers/cell/spu/spu_tri.c | |
parent | 1ecb2e4a7a5881d5a98679b421d78fd11c729ebc (diff) |
cell: Implement code-gen for logic op
This also implements code-gen for the float-to-packed color
conversion. It's currently hardcoded for A8R8G8B8, but that can
easily be fixed as soon as other color depths are supported by the
Cell driver.
Diffstat (limited to 'src/gallium/drivers/cell/spu/spu_tri.c')
-rw-r--r-- | src/gallium/drivers/cell/spu/spu_tri.c | 59 |
1 files changed, 33 insertions, 26 deletions
diff --git a/src/gallium/drivers/cell/spu/spu_tri.c b/src/gallium/drivers/cell/spu/spu_tri.c index e6a1ce01df..95c629a8aa 100644 --- a/src/gallium/drivers/cell/spu/spu_tri.c +++ b/src/gallium/drivers/cell/spu/spu_tri.c @@ -305,7 +305,6 @@ emit_quad( int x, int y, mask_t mask ) if (spu_extract(spu_orx(mask), 0)) { const int ix = x - setup.cliprect_minx; const int iy = y - setup.cliprect_miny; - const vector unsigned char shuffle = spu.color_shuffle; vector float colors[4]; spu.cur_ctile_status = TILE_STATUS_DIRTY; @@ -330,45 +329,53 @@ emit_quad( int x, int y, mask_t mask ) } + /* Convert fragment data from AoS to SoA format. + */ + qword soa_frag[4]; + _transpose_matrix4x4((vec_float4 *) soa_frag, colors); + /* Read the current framebuffer values. - * - * Ignore read_fb for now. In the future we can use this to avoid - * reading the framebuffer if read_fb is false and the fragment mask is - * all 0xffffffff. This is the common case, so it is probably worth - * the effort. We'll have to profile to determine whether or not the - * extra conditional branches hurt overall performance. */ - vec_float4 aos_pix[4] = { - spu_unpack_A8R8G8B8(spu.ctile.ui[iy+0][ix+0]), - spu_unpack_A8R8G8B8(spu.ctile.ui[iy+0][ix+1]), - spu_unpack_A8R8G8B8(spu.ctile.ui[iy+1][ix+0]), - spu_unpack_A8R8G8B8(spu.ctile.ui[iy+1][ix+1]), + const qword pix[4] = { + (qword) spu_splats(spu.ctile.ui[iy+0][ix+0]), + (qword) spu_splats(spu.ctile.ui[iy+0][ix+1]), + (qword) spu_splats(spu.ctile.ui[iy+1][ix+0]), + (qword) spu_splats(spu.ctile.ui[iy+1][ix+1]), }; qword soa_pix[4]; - qword soa_frag[4]; - /* Convert pixel and fragment data from AoS to SoA format. - */ - _transpose_matrix4x4((vec_float4 *) soa_pix, aos_pix); - _transpose_matrix4x4((vec_float4 *) soa_frag, colors); + if (spu.read_fb) { + /* Convert pixel data from AoS to SoA format. + */ + vec_float4 aos_pix[4] = { + spu_unpack_A8R8G8B8(spu.ctile.ui[iy+0][ix+0]), + spu_unpack_A8R8G8B8(spu.ctile.ui[iy+0][ix+1]), + spu_unpack_A8R8G8B8(spu.ctile.ui[iy+1][ix+0]), + spu_unpack_A8R8G8B8(spu.ctile.ui[iy+1][ix+1]), + }; + + _transpose_matrix4x4((vec_float4 *) soa_pix, aos_pix); + } - const struct spu_blend_results result = + + struct spu_blend_results result = (*spu.blend)(soa_frag[0], soa_frag[1], soa_frag[2], soa_frag[3], soa_pix[0], soa_pix[1], soa_pix[2], soa_pix[3], spu.const_blend_color[0], spu.const_blend_color[1], - spu.const_blend_color[2], spu.const_blend_color[3], - (qword) mask); + spu.const_blend_color[2], spu.const_blend_color[3]); /* Convert final pixel data from SoA to AoS format. */ - _transpose_matrix4x4(aos_pix, (const vec_float4 *) &result); - - spu.ctile.ui[iy+0][ix+0] = spu_pack_color_shuffle(aos_pix[0], shuffle); - spu.ctile.ui[iy+0][ix+1] = spu_pack_color_shuffle(aos_pix[1], shuffle); - spu.ctile.ui[iy+1][ix+0] = spu_pack_color_shuffle(aos_pix[2], shuffle); - spu.ctile.ui[iy+1][ix+1] = spu_pack_color_shuffle(aos_pix[3], shuffle); + result = (*spu.logicop)(pix[0], pix[1], pix[2], pix[3], + result.r, result.g, result.b, result.a, + (qword) mask); + + spu.ctile.ui[iy+0][ix+0] = spu_extract((vec_uint4) result.r, 0); + spu.ctile.ui[iy+0][ix+1] = spu_extract((vec_uint4) result.g, 0); + spu.ctile.ui[iy+1][ix+0] = spu_extract((vec_uint4) result.b, 0); + spu.ctile.ui[iy+1][ix+1] = spu_extract((vec_uint4) result.a, 0); } #endif } |