static LLVMValueRef
lp_build_blend_factor_unswizzled(struct lp_build_blend_aos_context *bld,
unsigned factor,
boolean alpha)
{
switch (factor) {
case PIPE_BLENDFACTOR_ZERO:
return bld->base.zero;
case PIPE_BLENDFACTOR_ONE:
return bld->base.one;
case PIPE_BLENDFACTOR_SRC_COLOR:
case PIPE_BLENDFACTOR_SRC_ALPHA:
return bld->src;
case PIPE_BLENDFACTOR_DST_COLOR:
case PIPE_BLENDFACTOR_DST_ALPHA:
return bld->dst;
case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE:
if(alpha)
return bld->base.one;
else {
if(!bld->inv_dst)
bld->inv_dst = lp_build_comp(&bld->base, bld->dst);
if(!bld->saturate)
bld->saturate = lp_build_min(&bld->base, bld->src, bld->inv_dst);
return bld->saturate;
}
case PIPE_BLENDFACTOR_CONST_COLOR:
case PIPE_BLENDFACTOR_CONST_ALPHA:
return bld->const_;
case PIPE_BLENDFACTOR_SRC1_COLOR:
case PIPE_BLENDFACTOR_SRC1_ALPHA:
/* TODO */
assert(0);
return bld->base.zero;
case PIPE_BLENDFACTOR_INV_SRC_COLOR:
case PIPE_BLENDFACTOR_INV_SRC_ALPHA:
if(!bld->inv_src)
bld->inv_src = lp_build_comp(&bld->base, bld->src);
return bld->inv_src;
case PIPE_BLENDFACTOR_INV_DST_COLOR:
case PIPE_BLENDFACTOR_INV_DST_ALPHA:
if(!bld->inv_dst)
bld->inv_dst = lp_build_comp(&bld->base, bld->dst);
return bld->inv_dst;
case PIPE_BLENDFACTOR_INV_CONST_COLOR:
case PIPE_BLENDFACTOR_INV_CONST_ALPHA:
if(!bld->inv_const)
bld->inv_const = lp_build_comp(&bld->base, bld->const_);
return bld->inv_const;
case PIPE_BLENDFACTOR_INV_SRC1_COLOR:
case PIPE_BLENDFACTOR_INV_SRC1_ALPHA:
/* TODO */
assert(0);
return bld->base.zero;
default:
assert(0);
return bld->base.zero;
}
}
static LLVMValueRef
lp_build_blend_soa_factor(struct lp_build_blend_soa_context *bld,
unsigned factor, unsigned i)
{
/*
* Compute src/first term RGB
*/
switch (factor) {
case PIPE_BLENDFACTOR_ONE:
return bld->base.one;
case PIPE_BLENDFACTOR_SRC_COLOR:
return bld->src[i];
case PIPE_BLENDFACTOR_SRC_ALPHA:
return bld->src[3];
case PIPE_BLENDFACTOR_DST_COLOR:
return bld->dst[i];
case PIPE_BLENDFACTOR_DST_ALPHA:
return bld->dst[3];
case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE:
if(i == 3)
return bld->base.one;
else {
if(!bld->inv_dst[3])
bld->inv_dst[3] = lp_build_comp(&bld->base, bld->dst[3]);
if(!bld->src_alpha_saturate)
bld->src_alpha_saturate = lp_build_min(&bld->base, bld->src[3], bld->inv_dst[3]);
return bld->src_alpha_saturate;
}
case PIPE_BLENDFACTOR_CONST_COLOR:
return bld->con[i];
case PIPE_BLENDFACTOR_CONST_ALPHA:
return bld->con[3];
case PIPE_BLENDFACTOR_SRC1_COLOR:
/* TODO */
assert(0);
return bld->base.zero;
case PIPE_BLENDFACTOR_SRC1_ALPHA:
/* TODO */
assert(0);
return bld->base.zero;
case PIPE_BLENDFACTOR_ZERO:
return bld->base.zero;
case PIPE_BLENDFACTOR_INV_SRC_COLOR:
if(!bld->inv_src[i])
bld->inv_src[i] = lp_build_comp(&bld->base, bld->src[i]);
return bld->inv_src[i];
case PIPE_BLENDFACTOR_INV_SRC_ALPHA:
if(!bld->inv_src[3])
bld->inv_src[3] = lp_build_comp(&bld->base, bld->src[3]);
return bld->inv_src[3];
case PIPE_BLENDFACTOR_INV_DST_COLOR:
if(!bld->inv_dst[i])
bld->inv_dst[i] = lp_build_comp(&bld->base, bld->dst[i]);
return bld->inv_dst[i];
case PIPE_BLENDFACTOR_INV_DST_ALPHA:
if(!bld->inv_dst[3])
bld->inv_dst[3] = lp_build_comp(&bld->base, bld->dst[3]);
return bld->inv_dst[3];
case PIPE_BLENDFACTOR_INV_CONST_COLOR:
if(!bld->inv_con[i])
bld->inv_con[i] = lp_build_comp(&bld->base, bld->con[i]);
return bld->inv_con[i];
case PIPE_BLENDFACTOR_INV_CONST_ALPHA:
if(!bld->inv_con[3])
bld->inv_con[3] = lp_build_comp(&bld->base, bld->con[3]);
return bld->inv_con[3];
case PIPE_BLENDFACTOR_INV_SRC1_COLOR:
/* TODO */
assert(0);
return bld->base.zero;
case PIPE_BLENDFACTOR_INV_SRC1_ALPHA:
/* TODO */
assert(0);
return bld->base.zero;
default:
assert(0);
return bld->base.zero;
}
}
static LLVMValueRef
lp_build_blend_factor_unswizzled(struct lp_build_blend_aos_context *bld,
unsigned factor,
boolean alpha)
{
LLVMValueRef src_alpha = bld->src_alpha ? bld->src_alpha : bld->src;
LLVMValueRef src1_alpha = bld->src1_alpha ? bld->src1_alpha : bld->src1;
LLVMValueRef const_alpha = bld->const_alpha ? bld->const_alpha : bld->const_;
switch (factor) {
case PIPE_BLENDFACTOR_ZERO:
return bld->base.zero;
case PIPE_BLENDFACTOR_ONE:
return bld->base.one;
case PIPE_BLENDFACTOR_SRC_COLOR:
return bld->src;
case PIPE_BLENDFACTOR_SRC_ALPHA:
return src_alpha;
case PIPE_BLENDFACTOR_DST_COLOR:
case PIPE_BLENDFACTOR_DST_ALPHA:
return bld->dst;
case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE:
if(alpha)
return bld->base.one;
else {
/*
* if there's separate src_alpha there's no dst alpha hence the complement
* is zero but for unclamped float inputs min can be non-zero (negative).
*/
if (bld->src_alpha) {
if (!bld->saturate)
bld->saturate = lp_build_min(&bld->base, src_alpha, bld->base.zero);
}
else {
if(!bld->inv_dst)
bld->inv_dst = lp_build_comp(&bld->base, bld->dst);
if(!bld->saturate)
bld->saturate = lp_build_min(&bld->base, src_alpha, bld->inv_dst);
}
return bld->saturate;
}
case PIPE_BLENDFACTOR_CONST_COLOR:
return bld->const_;
case PIPE_BLENDFACTOR_CONST_ALPHA:
return const_alpha;
case PIPE_BLENDFACTOR_SRC1_COLOR:
return bld->src1;
case PIPE_BLENDFACTOR_SRC1_ALPHA:
return src1_alpha;
case PIPE_BLENDFACTOR_INV_SRC_COLOR:
if(!bld->inv_src)
bld->inv_src = lp_build_comp(&bld->base, bld->src);
return bld->inv_src;
case PIPE_BLENDFACTOR_INV_SRC_ALPHA:
if(!bld->inv_src_alpha)
bld->inv_src_alpha = lp_build_comp(&bld->base, src_alpha);
return bld->inv_src_alpha;
case PIPE_BLENDFACTOR_INV_DST_COLOR:
case PIPE_BLENDFACTOR_INV_DST_ALPHA:
if(!bld->inv_dst)
bld->inv_dst = lp_build_comp(&bld->base, bld->dst);
return bld->inv_dst;
case PIPE_BLENDFACTOR_INV_CONST_COLOR:
if(!bld->inv_const)
bld->inv_const = lp_build_comp(&bld->base, bld->const_);
return bld->inv_const;
case PIPE_BLENDFACTOR_INV_CONST_ALPHA:
if(!bld->inv_const_alpha)
bld->inv_const_alpha = lp_build_comp(&bld->base, const_alpha);
return bld->inv_const_alpha;
case PIPE_BLENDFACTOR_INV_SRC1_COLOR:
return lp_build_comp(&bld->base, bld->src1);
case PIPE_BLENDFACTOR_INV_SRC1_ALPHA:
return lp_build_comp(&bld->base, src1_alpha);
default:
assert(0);
return bld->base.zero;
}
}
