diff --git a/src/gallium/drivers/llvmpipe/lp_bld_blend.h b/src/gallium/drivers/llvmpipe/lp_bld_blend.h index b2ada10a3d6..5cecec3d7f9 100644 --- a/src/gallium/drivers/llvmpipe/lp_bld_blend.h +++ b/src/gallium/drivers/llvmpipe/lp_bld_blend.h @@ -64,6 +64,7 @@ LLVMValueRef lp_build_blend_aos(LLVMBuilderRef builder, const struct pipe_blend_state *blend, struct lp_type type, + unsigned rt, LLVMValueRef src, LLVMValueRef dst, LLVMValueRef const_, @@ -74,6 +75,7 @@ void lp_build_blend_soa(LLVMBuilderRef builder, const struct pipe_blend_state *blend, struct lp_type type, + unsigned rt, LLVMValueRef src[4], LLVMValueRef dst[4], LLVMValueRef const_[4], diff --git a/src/gallium/drivers/llvmpipe/lp_bld_blend_aos.c b/src/gallium/drivers/llvmpipe/lp_bld_blend_aos.c index 44c28c1739a..70d08e71f6e 100644 --- a/src/gallium/drivers/llvmpipe/lp_bld_blend_aos.c +++ b/src/gallium/drivers/llvmpipe/lp_bld_blend_aos.c @@ -308,6 +308,7 @@ LLVMValueRef lp_build_blend_aos(LLVMBuilderRef builder, const struct pipe_blend_state *blend, struct lp_type type, + unsigned rt, LLVMValueRef src, LLVMValueRef dst, LLVMValueRef const_, @@ -317,11 +318,10 @@ lp_build_blend_aos(LLVMBuilderRef builder, LLVMValueRef src_term; LLVMValueRef dst_term; - /* FIXME */ - assert(blend->independent_blend_enable == 0); - assert(blend->rt[0].colormask == 0xf); + /* FIXME: color masking not implemented yet */ + assert(blend->rt[rt].colormask == 0xf); - if(!blend->rt[0].blend_enable) + if(!blend->rt[rt].blend_enable) return src; /* It makes no sense to blend unless values are normalized */ @@ -338,16 +338,16 @@ lp_build_blend_aos(LLVMBuilderRef builder, * combinations it is possible to reorder the operations and therefore saving * some instructions. */ - src_term = lp_build_blend_factor(&bld, src, blend->rt[0].rgb_src_factor, - blend->rt[0].alpha_src_factor, alpha_swizzle); - dst_term = lp_build_blend_factor(&bld, dst, blend->rt[0].rgb_dst_factor, - blend->rt[0].alpha_dst_factor, alpha_swizzle); + src_term = lp_build_blend_factor(&bld, src, blend->rt[rt].rgb_src_factor, + blend->rt[rt].alpha_src_factor, alpha_swizzle); + dst_term = lp_build_blend_factor(&bld, dst, blend->rt[rt].rgb_dst_factor, + blend->rt[rt].alpha_dst_factor, alpha_swizzle); lp_build_name(src_term, "src_term"); lp_build_name(dst_term, "dst_term"); - if(blend->rt[0].rgb_func == blend->rt[0].alpha_func) { - return lp_build_blend_func(&bld.base, blend->rt[0].rgb_func, src_term, dst_term); + if(blend->rt[rt].rgb_func == blend->rt[rt].alpha_func) { + return lp_build_blend_func(&bld.base, blend->rt[rt].rgb_func, src_term, dst_term); } else { /* Seperate RGB / A functions */ @@ -355,8 +355,8 @@ lp_build_blend_aos(LLVMBuilderRef builder, LLVMValueRef rgb; LLVMValueRef alpha; - rgb = lp_build_blend_func(&bld.base, blend->rt[0].rgb_func, src_term, dst_term); - alpha = lp_build_blend_func(&bld.base, blend->rt[0].alpha_func, src_term, dst_term); + rgb = lp_build_blend_func(&bld.base, blend->rt[rt].rgb_func, src_term, dst_term); + alpha = lp_build_blend_func(&bld.base, blend->rt[rt].alpha_func, src_term, dst_term); return lp_build_blend_swizzle(&bld, rgb, alpha, LP_BUILD_BLEND_SWIZZLE_RGBA, alpha_swizzle); } diff --git a/src/gallium/drivers/llvmpipe/lp_bld_blend_soa.c b/src/gallium/drivers/llvmpipe/lp_bld_blend_soa.c index d95e6a6b68e..b9c7a6ceed6 100644 --- a/src/gallium/drivers/llvmpipe/lp_bld_blend_soa.c +++ b/src/gallium/drivers/llvmpipe/lp_bld_blend_soa.c @@ -197,6 +197,7 @@ lp_build_blend_soa_factor(struct lp_build_blend_soa_context *bld, /** * Generate blend code in SOA mode. + * \param rt render target index (to index the blend / colormask state) * \param src src/fragment color * \param dst dst/framebuffer color * \param con constant blend color @@ -206,6 +207,7 @@ void lp_build_blend_soa(LLVMBuilderRef builder, const struct pipe_blend_state *blend, struct lp_type type, + unsigned rt, LLVMValueRef src[4], LLVMValueRef dst[4], LLVMValueRef con[4], @@ -214,6 +216,8 @@ lp_build_blend_soa(LLVMBuilderRef builder, struct lp_build_blend_soa_context bld; unsigned i, j, k; + assert(rt < PIPE_MAX_COLOR_BUFS); + /* Setup build context */ memset(&bld, 0, sizeof bld); lp_build_context_init(&bld.base, builder, type); @@ -225,7 +229,7 @@ lp_build_blend_soa(LLVMBuilderRef builder, for (i = 0; i < 4; ++i) { /* only compute blending for the color channels enabled for writing */ - if (blend->rt[0].colormask & (1 << i)) { + if (blend->rt[rt].colormask & (1 << i)) { if (blend->logicop_enable) { if(!type.floating) { res[i] = lp_build_logicop(builder, blend->logicop_func, src[i], dst[i]); @@ -233,10 +237,10 @@ lp_build_blend_soa(LLVMBuilderRef builder, else res[i] = dst[i]; } - else if (blend->rt[0].blend_enable) { - unsigned src_factor = i < 3 ? blend->rt[0].rgb_src_factor : blend->rt[0].alpha_src_factor; - unsigned dst_factor = i < 3 ? blend->rt[0].rgb_dst_factor : blend->rt[0].alpha_dst_factor; - unsigned func = i < 3 ? blend->rt[0].rgb_func : blend->rt[0].alpha_func; + else if (blend->rt[rt].blend_enable) { + unsigned src_factor = i < 3 ? blend->rt[rt].rgb_src_factor : blend->rt[rt].alpha_src_factor; + unsigned dst_factor = i < 3 ? blend->rt[rt].rgb_dst_factor : blend->rt[rt].alpha_dst_factor; + unsigned func = i < 3 ? blend->rt[rt].rgb_func : blend->rt[rt].alpha_func; boolean func_commutative = lp_build_blend_func_commutative(func); /* It makes no sense to blend unless values are normalized */ @@ -294,7 +298,7 @@ lp_build_blend_soa(LLVMBuilderRef builder, /* See if this function has been previously applied */ for(j = 0; j < i; ++j) { - unsigned prev_func = j < 3 ? blend->rt[0].rgb_func : blend->rt[0].alpha_func; + unsigned prev_func = j < 3 ? blend->rt[rt].rgb_func : blend->rt[rt].alpha_func; unsigned func_reverse = lp_build_blend_func_reverse(func, prev_func); if((!func_reverse && diff --git a/src/gallium/drivers/llvmpipe/lp_state_fs.c b/src/gallium/drivers/llvmpipe/lp_state_fs.c index 43016ce4c4c..09a680bf988 100644 --- a/src/gallium/drivers/llvmpipe/lp_state_fs.c +++ b/src/gallium/drivers/llvmpipe/lp_state_fs.c @@ -475,6 +475,7 @@ generate_fs(struct llvmpipe_context *lp, consts_ptr, interp->pos, interp->inputs, outputs, sampler, &shader->info); + /* loop over fragment shader outputs/results */ for (attrib = 0; attrib < shader->info.num_outputs; ++attrib) { for(chan = 0; chan < NUM_CHANNELS; ++chan) { if(outputs[attrib][chan]) { @@ -531,9 +532,16 @@ generate_fs(struct llvmpipe_context *lp, /** * Generate color blending and color output. + * \param rt the render target index (to index blend, colormask state) + * \param type the pixel color type + * \param context_ptr pointer to the runtime JIT context + * \param mask execution mask (active fragment/pixel mask) + * \param src colors from the fragment shader + * \param dst_ptr the destination color buffer pointer */ static void generate_blend(const struct pipe_blend_state *blend, + unsigned rt, LLVMBuilderRef builder, struct lp_type type, LLVMValueRef context_ptr, @@ -564,6 +572,7 @@ generate_blend(const struct pipe_blend_state *blend, const_ptr = LLVMBuildBitCast(builder, const_ptr, LLVMPointerType(vec_type, 0), ""); + /* load constant blend color and colors from the dest color buffer */ for(chan = 0; chan < 4; ++chan) { LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), chan, 0); con[chan] = LLVMBuildLoad(builder, LLVMBuildGEP(builder, const_ptr, &index, 1, ""), ""); @@ -574,10 +583,12 @@ generate_blend(const struct pipe_blend_state *blend, lp_build_name(dst[chan], "dst.%c", "rgba"[chan]); } - lp_build_blend_soa(builder, blend, type, src, dst, con, res); + /* do blend */ + lp_build_blend_soa(builder, blend, type, rt, src, dst, con, res); + /* store results to color buffer */ for(chan = 0; chan < 4; ++chan) { - if(blend->rt[0].colormask & (1 << chan)) { + if(blend->rt[rt].colormask & (1 << chan)) { LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), chan, 0); lp_build_name(res[chan], "res.%c", "rgba"[chan]); res[chan] = lp_build_select(&bld, mask, res[chan], dst[chan]); @@ -644,7 +655,6 @@ generate_fragment(struct llvmpipe_context *lp, LLVMValueRef fs_mask[LP_MAX_VECTOR_LENGTH]; LLVMValueRef fs_out_color[PIPE_MAX_COLOR_BUFS][NUM_CHANNELS][LP_MAX_VECTOR_LENGTH]; LLVMValueRef blend_mask; - LLVMValueRef blend_in_color[NUM_CHANNELS]; LLVMValueRef function; LLVMValueRef facing; unsigned num_fs; @@ -738,7 +748,7 @@ generate_fragment(struct llvmpipe_context *lp, lp_build_name(a0_ptr, "a0"); lp_build_name(dadx_ptr, "dadx"); lp_build_name(dady_ptr, "dady"); - lp_build_name(color_ptr_ptr, "color_ptr"); + lp_build_name(color_ptr_ptr, "color_ptr_ptr"); lp_build_name(depth_ptr, "depth"); lp_build_name(c0, "c0"); lp_build_name(c1, "c1"); @@ -810,6 +820,8 @@ generate_fragment(struct llvmpipe_context *lp, for(cbuf = 0; cbuf < key->nr_cbufs; cbuf++) { LLVMValueRef color_ptr; LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), cbuf, 0); + LLVMValueRef blend_in_color[NUM_CHANNELS]; + unsigned rt; /* * Convert the fs's output color and mask to fit to the blending type. @@ -830,10 +842,14 @@ generate_fragment(struct llvmpipe_context *lp, ""); lp_build_name(color_ptr, "color_ptr%d", cbuf); + /* which blend/colormask state to use */ + rt = key->blend.independent_blend_enable ? cbuf : 0; + /* * Blending. */ generate_blend(&key->blend, + rt, builder, blend_type, context_ptr, diff --git a/src/gallium/drivers/llvmpipe/lp_test_blend.c b/src/gallium/drivers/llvmpipe/lp_test_blend.c index fae7bf3fcf2..d32a9223cda 100644 --- a/src/gallium/drivers/llvmpipe/lp_test_blend.c +++ b/src/gallium/drivers/llvmpipe/lp_test_blend.c @@ -163,6 +163,7 @@ add_blend_test(LLVMModuleRef module, LLVMValueRef res_ptr; LLVMBasicBlockRef block; LLVMBuilderRef builder; + const unsigned rt = 0; vec_type = lp_build_vec_type(type); @@ -188,7 +189,7 @@ add_blend_test(LLVMModuleRef module, dst = LLVMBuildLoad(builder, dst_ptr, "dst"); con = LLVMBuildLoad(builder, const_ptr, "const"); - res = lp_build_blend_aos(builder, blend, type, src, dst, con, 3); + res = lp_build_blend_aos(builder, blend, type, rt, src, dst, con, 3); lp_build_name(res, "res"); @@ -212,7 +213,7 @@ add_blend_test(LLVMModuleRef module, lp_build_name(dst[i], "dst.%c", "rgba"[i]); } - lp_build_blend_soa(builder, blend, type, src, dst, con, res); + lp_build_blend_soa(builder, blend, type, rt, src, dst, con, res); for(i = 0; i < 4; ++i) { LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), i, 0);