From c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012 Mon Sep 17 00:00:00 2001 From: José Fonseca Date: Thu, 10 Sep 2009 12:01:42 +0100 Subject: llvmpipe: Skip blending when mask is zero. This increases quake3 timedemo fps another 10%. --- src/gallium/drivers/llvmpipe/lp_state_fs.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) (limited to 'src/gallium/drivers/llvmpipe/lp_state_fs.c') diff --git a/src/gallium/drivers/llvmpipe/lp_state_fs.c b/src/gallium/drivers/llvmpipe/lp_state_fs.c index 2e60da60cd..354d9916c7 100644 --- a/src/gallium/drivers/llvmpipe/lp_state_fs.c +++ b/src/gallium/drivers/llvmpipe/lp_state_fs.c @@ -319,6 +319,8 @@ generate_blend(const struct pipe_blend_state *blend, LLVMValueRef dst_ptr) { struct lp_build_context bld; + struct lp_build_flow_context *flow; + struct lp_build_mask_context mask_ctx; LLVMTypeRef vec_type; LLVMTypeRef int_vec_type; LLVMValueRef const_ptr; @@ -327,11 +329,14 @@ generate_blend(const struct pipe_blend_state *blend, LLVMValueRef res[4]; unsigned chan; + lp_build_context_init(&bld, builder, type); + + flow = lp_build_flow_create(builder); + lp_build_mask_begin(&mask_ctx, flow, type, mask); + vec_type = lp_build_vec_type(type); int_vec_type = lp_build_int_vec_type(type); - lp_build_context_init(&bld, builder, type); - const_ptr = lp_jit_context_blend_color(builder, context_ptr); const_ptr = LLVMBuildBitCast(builder, const_ptr, LLVMPointerType(vec_type, 0), ""); @@ -354,6 +359,9 @@ generate_blend(const struct pipe_blend_state *blend, res[chan] = lp_build_select(&bld, mask, res[chan], dst[chan]); LLVMBuildStore(builder, res[chan], LLVMBuildGEP(builder, dst_ptr, &index, 1, "")); } + + lp_build_mask_end(&mask_ctx); + lp_build_flow_destroy(flow); } -- cgit v1.2.3