diff options
| author | Brian Paul <brian.paul@tungstengraphics.com> | 2008-09-11 17:08:52 -0600 |
|---|---|---|
| committer | Brian Paul <brian.paul@tungstengraphics.com> | 2008-09-11 17:10:32 -0600 |
| commit | bc304bbd49d15ce1130f3ba07adaa85ef03ed931 (patch) | |
| tree | 3cda5a31cb143938fa5db5896ac82854a5fe64b7 | |
| parent | 178bbaff80d079606a1135bd65f1a85bac9774c4 (diff) | |
cell: minor improvements to fragment code-gen
| -rw-r--r-- | src/gallium/drivers/cell/ppu/cell_gen_fragment.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/src/gallium/drivers/cell/ppu/cell_gen_fragment.c b/src/gallium/drivers/cell/ppu/cell_gen_fragment.c index 5622701ddac..06219d4e980 100644 --- a/src/gallium/drivers/cell/ppu/cell_gen_fragment.c +++ b/src/gallium/drivers/cell/ppu/cell_gen_fragment.c @@ -265,6 +265,8 @@ gen_blend(const struct pipe_blend_state *blend, int one_reg = spe_allocate_available_register(f); int tmp_reg = spe_allocate_available_register(f); + boolean one_reg_set = false; /* avoid setting one_reg more than once */ + ASSERT(blend->blend_enable); /* Unpack/convert framebuffer colors from four 32-bit packed colors @@ -275,7 +277,7 @@ gen_blend(const struct pipe_blend_state *blend, int mask_reg = spe_allocate_available_register(f); /* mask = {0x000000ff, 0x000000ff, 0x000000ff, 0x000000ff} */ - spe_fsmbi(f, mask_reg, 0x1111); + spe_load_int(f, mask_reg, 0xff); /* XXX there may be more clever ways to implement the following code */ switch (color_format) { @@ -418,7 +420,10 @@ gen_blend(const struct pipe_blend_state *blend, break; case PIPE_BLENDFACTOR_INV_SRC_ALPHA: /* one = {1.0, 1.0, 1.0, 1.0} */ - spe_load_float(f, one_reg, 1.0f); + if (!one_reg_set) { + spe_load_float(f, one_reg, 1.0f); + one_reg_set = true; + } /* tmp = one - fragA */ spe_fs(f, tmp_reg, one_reg, fragA_reg); /* term = fb * tmp */ @@ -446,7 +451,10 @@ gen_blend(const struct pipe_blend_state *blend, break; case PIPE_BLENDFACTOR_INV_SRC_ALPHA: /* one = {1.0, 1.0, 1.0, 1.0} */ - spe_load_float(f, one_reg, 1.0f); + if (!one_reg_set) { + spe_load_float(f, one_reg, 1.0f); + one_reg_set = true; + } /* tmp = one - fragA */ spe_fs(f, tmp_reg, one_reg, fragA_reg); /* termA = fbA * tmp */ |