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authorBrian Paul <[email protected]>2008-09-11 17:08:52 -0600
committerBrian Paul <[email protected]>2008-09-11 17:10:32 -0600
commitbc304bbd49d15ce1130f3ba07adaa85ef03ed931 (patch)
tree3cda5a31cb143938fa5db5896ac82854a5fe64b7 /src/gallium/drivers/cell/ppu
parent178bbaff80d079606a1135bd65f1a85bac9774c4 (diff)
cell: minor improvements to fragment code-gen
Diffstat (limited to 'src/gallium/drivers/cell/ppu')
-rw-r--r--src/gallium/drivers/cell/ppu/cell_gen_fragment.c14
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 */