diff options
Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_state_blend.c')
-rw-r--r-- | src/gallium/drivers/llvmpipe/lp_state_blend.c | 132 |
1 files changed, 126 insertions, 6 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_state_blend.c b/src/gallium/drivers/llvmpipe/lp_state_blend.c index 041a54f13e..ed4ea3b330 100644 --- a/src/gallium/drivers/llvmpipe/lp_state_blend.c +++ b/src/gallium/drivers/llvmpipe/lp_state_blend.c @@ -1,5 +1,6 @@ /************************************************************************** * + * Copyright 2009 VMware, Inc. * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. * All Rights Reserved. * @@ -25,19 +26,126 @@ * **************************************************************************/ -/* Authors: Keith Whitwell <keith@tungstengraphics.com> +/** + * @author Jose Fonseca <jfonseca@vmware.com> + * @author Keith Whitwell <keith@tungstengraphics.com> */ #include "util/u_memory.h" +#include "util/u_debug_dump.h" +#include "lp_screen.h" #include "lp_context.h" #include "lp_state.h" +#include "lp_bld_type.h" +#include "lp_bld_arit.h" +#include "lp_bld_blend.h" + + +static void +blend_generate(struct llvmpipe_screen *screen, + struct lp_blend_state *blend) +{ + union lp_type type; + LLVMTypeRef vec_type; + LLVMTypeRef args[4]; + LLVMValueRef src_ptr; + LLVMValueRef dst_ptr; + LLVMValueRef const_ptr; + LLVMValueRef res_ptr; + LLVMBasicBlockRef block; + LLVMBuilderRef builder; + LLVMValueRef src[4]; + LLVMValueRef dst[4]; + LLVMValueRef con[4]; + LLVMValueRef res[4]; + char src_name[5] = "src?"; + char dst_name[5] = "dst?"; + char con_name[5] = "con?"; + char res_name[5] = "res?"; + unsigned i; + + type.value = 0; + type.floating = TRUE; + type.sign = FALSE; + type.norm = TRUE; + type.width = 32; + type.length = 4; + + vec_type = lp_build_vec_type(type); + + args[3] = args[2] = args[1] = args[0] = LLVMPointerType(vec_type, 0); + blend->function = LLVMAddFunction(screen->module, "blend", LLVMFunctionType(LLVMVoidType(), args, 4, 0)); + LLVMSetFunctionCallConv(blend->function, LLVMCCallConv); + src_ptr = LLVMGetParam(blend->function, 0); + dst_ptr = LLVMGetParam(blend->function, 1); + const_ptr = LLVMGetParam(blend->function, 2); + res_ptr = LLVMGetParam(blend->function, 3); + + block = LLVMAppendBasicBlock(blend->function, "entry"); + builder = LLVMCreateBuilder(); + LLVMPositionBuilderAtEnd(builder, block); + + for(i = 0; i < 4; ++i) { + LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), i, 0); + con_name[3] = dst_name[3] = src_name[3] = "rgba"[i]; + src[i] = LLVMBuildLoad(builder, LLVMBuildGEP(builder, src_ptr, &index, 1, ""), src_name); + dst[i] = LLVMBuildLoad(builder, LLVMBuildGEP(builder, dst_ptr, &index, 1, ""), dst_name); + con[i] = LLVMBuildLoad(builder, LLVMBuildGEP(builder, const_ptr, &index, 1, ""), con_name); + } + + lp_build_blend_soa(builder, &blend->base, type, src, dst, con, res); + + for(i = 0; i < 4; ++i) { + LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), i, 0); + res_name[3] = "rgba"[i]; + LLVMSetValueName(res[i], res_name); + LLVMBuildStore(builder, res[i], LLVMBuildGEP(builder, res_ptr, &index, 1, "")); + } + + LLVMBuildRetVoid(builder);; + + LLVMDisposeBuilder(builder); +} + void * llvmpipe_create_blend_state(struct pipe_context *pipe, - const struct pipe_blend_state *blend) + const struct pipe_blend_state *base) { - return mem_dup(blend, sizeof(*blend)); + struct llvmpipe_screen *screen = llvmpipe_screen(pipe->screen); + struct lp_blend_state *blend; + + blend = CALLOC_STRUCT(lp_blend_state); + if(!blend) + return NULL; + + blend->base = *base; + + blend_generate(screen, blend); + + LLVMRunFunctionPassManager(screen->pass, blend->function); + +#if 1 + debug_printf("%s=%s %s=%s %s=%s %s=%s %s=%s %s=%s\n", + "rgb_func", debug_dump_blend_func (blend->base.rgb_func, TRUE), + "rgb_src_factor", debug_dump_blend_factor(blend->base.rgb_src_factor, TRUE), + "rgb_dst_factor", debug_dump_blend_factor(blend->base.rgb_dst_factor, TRUE), + "alpha_func", debug_dump_blend_func (blend->base.alpha_func, TRUE), + "alpha_src_factor", debug_dump_blend_factor(blend->base.alpha_src_factor, TRUE), + "alpha_dst_factor", debug_dump_blend_factor(blend->base.alpha_dst_factor, TRUE)); + LLVMDumpModule(screen->module); + debug_printf("\n"); +#endif + + if(LLVMVerifyFunction(blend->function, LLVMPrintMessageAction)) { + LLVMDumpModule(screen->module); + abort(); + } + + blend->jit_function = (lp_blend_func)LLVMGetPointerToGlobal(screen->engine, blend->function); + + return blend; } void llvmpipe_bind_blend_state( struct pipe_context *pipe, @@ -45,14 +153,23 @@ void llvmpipe_bind_blend_state( struct pipe_context *pipe, { struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); - llvmpipe->blend = (const struct pipe_blend_state *)blend; + llvmpipe->blend = (struct lp_blend_state *)blend; llvmpipe->dirty |= LP_NEW_BLEND; } void llvmpipe_delete_blend_state(struct pipe_context *pipe, - void *blend) + void *_blend) { + struct llvmpipe_screen *screen = llvmpipe_screen(pipe->screen); + struct lp_blend_state *blend = (struct lp_blend_state *)_blend; + + if(blend->function) { + if(blend->jit_function) + LLVMFreeMachineCodeForFunction(screen->engine, blend->function); + LLVMDeleteFunction(blend->function); + } + FREE( blend ); } @@ -61,8 +178,11 @@ void llvmpipe_set_blend_color( struct pipe_context *pipe, const struct pipe_blend_color *blend_color ) { struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); + unsigned i, j; - llvmpipe->blend_color = *blend_color; + for (i = 0; i < 4; ++i) + for (j = 0; j < QUAD_SIZE; ++j) + llvmpipe->blend_color[i][j] = blend_color->color[i]; llvmpipe->dirty |= LP_NEW_BLEND; } |