llvmpipe: Drop blend derived state.

Already included in the fragment shader.

4 files changed, 6 insertions, 161 deletions

diff --git a/src/gallium/drivers/llvmpipe/lp_context.h b/src/gallium/drivers/llvmpipe/lp_context.h
index 1d0896a5685..77263e4029e 100644
--- a/src/gallium/drivers/llvmpipe/lp_context.h
+++ b/src/gallium/drivers/llvmpipe/lp_context.h
@@ -52,7 +52,7 @@ struct llvmpipe_context {
    struct pipe_context pipe;  /**< base class */
 
    /** Constant state objects */
-   struct lp_blend_state *blend;
+   const struct pipe_blend_state *blend;
    const struct pipe_sampler_state *sampler[PIPE_MAX_SAMPLERS];
    const struct pipe_depth_stencil_alpha_state *depth_stencil;
    const struct pipe_rasterizer_state *rasterizer;
diff --git a/src/gallium/drivers/llvmpipe/lp_state.h b/src/gallium/drivers/llvmpipe/lp_state.h
index 83dace30ce4..2b1f2e452db 100644
--- a/src/gallium/drivers/llvmpipe/lp_state.h
+++ b/src/gallium/drivers/llvmpipe/lp_state.h
@@ -120,23 +120,6 @@ struct lp_vertex_shader {
 };
 
 
-typedef void
-(*lp_blend_func)(const uint8_t *mask,
-                 const uint8_t *src,
-                 const uint8_t *con,
-                 uint8_t *dst);
-
-
-struct lp_blend_state
-{
-   struct pipe_blend_state base;
-
-   LLVMValueRef function;
-
-   lp_blend_func jit_function;
-};
-
-
 
 void *
 llvmpipe_create_blend_state(struct pipe_context *,
diff --git a/src/gallium/drivers/llvmpipe/lp_state_blend.c b/src/gallium/drivers/llvmpipe/lp_state_blend.c
index d0cdcd8c8d9..ebde41c0998 100644
--- a/src/gallium/drivers/llvmpipe/lp_state_blend.c
+++ b/src/gallium/drivers/llvmpipe/lp_state_blend.c
@@ -38,141 +38,12 @@
 #include "lp_context.h"
 #include "lp_state.h"
 
-#include "lp_bld_type.h"
-#include "lp_bld_arit.h"
-#include "lp_bld_logic.h"
-#include "lp_bld_blend.h"
-#include "lp_bld_debug.h"
-
-
-/**
- * Generate blending code according to blend->base state.
- * The blend function will look like:
- *    blend(mask, src_color, constant color, dst_color)
- * dst_color will be modified and contain the result of the blend func.
- */
-static void
-blend_generate(struct llvmpipe_screen *screen,
-               struct lp_blend_state *blend)
-{
-   union lp_type type;
-   struct lp_build_context bld;
-   LLVMTypeRef vec_type;
-   LLVMTypeRef int_vec_type;
-   LLVMTypeRef arg_types[4];
-   LLVMTypeRef func_type;
-   LLVMValueRef mask_ptr;
-   LLVMValueRef src_ptr;
-   LLVMValueRef dst_ptr;
-   LLVMValueRef const_ptr;
-   LLVMBasicBlockRef block;
-   LLVMBuilderRef builder;
-   LLVMValueRef mask;
-   LLVMValueRef src[4];
-   LLVMValueRef con[4];
-   LLVMValueRef dst[4];
-   LLVMValueRef res[4];
-   unsigned i;
-
-   type.value = 0;
-   type.floating = FALSE; /* values are integers */
-   type.sign = FALSE;     /* values are unsigned */
-   type.norm = TRUE;      /* values are in [0,1] or [-1,1] */
-   type.width = 8;        /* 8-bit ubyte values */
-   type.length = 16;      /* 16 elements per vector */
-
-   vec_type = lp_build_vec_type(type);
-   int_vec_type = lp_build_int_vec_type(type);
-
-   arg_types[0] = LLVMPointerType(int_vec_type, 0); /* mask */
-   arg_types[1] = LLVMPointerType(vec_type, 0);     /* src */
-   arg_types[2] = LLVMPointerType(vec_type, 0);     /* con */
-   arg_types[3] = LLVMPointerType(vec_type, 0);     /* dst */
-   func_type = LLVMFunctionType(LLVMVoidType(), arg_types, Elements(arg_types), 0);
-   blend->function = LLVMAddFunction(screen->module, "blend", func_type);
-   LLVMSetFunctionCallConv(blend->function, LLVMCCallConv);
-
-   mask_ptr = LLVMGetParam(blend->function, 0);
-   src_ptr = LLVMGetParam(blend->function, 1);
-   const_ptr = LLVMGetParam(blend->function, 2);
-   dst_ptr = LLVMGetParam(blend->function, 3);
-
-   block = LLVMAppendBasicBlock(blend->function, "entry");
-   builder = LLVMCreateBuilder();
-   LLVMPositionBuilderAtEnd(builder, block);
-
-   lp_build_context_init(&bld, builder, type);
-
-   mask = LLVMBuildLoad(builder, mask_ptr, "mask");
-
-   for(i = 0; i < 4; ++i) {
-      LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), i, 0);
-
-      src[i] = LLVMBuildLoad(builder, LLVMBuildGEP(builder, src_ptr, &index, 1, ""), "");
-      con[i] = LLVMBuildLoad(builder, LLVMBuildGEP(builder, const_ptr, &index, 1, ""), "");
-      dst[i] = LLVMBuildLoad(builder, LLVMBuildGEP(builder, dst_ptr, &index, 1, ""), "");
-
-      lp_build_name(src[i], "src.%c", "rgba"[i]);
-      lp_build_name(con[i], "con.%c", "rgba"[i]);
-      lp_build_name(dst[i], "dst.%c", "rgba"[i]);
-   }
-
-   lp_build_blend_soa(builder, &blend->base, type, src, dst, con, res);
-
-   for(i = 0; i < 4; ++i) {
-      LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), i, 0);
-      lp_build_name(res[i], "res.%c", "rgba"[i]);
-      res[i] = lp_build_select(&bld, mask, res[i], dst[i]);
-      LLVMBuildStore(builder, res[i], LLVMBuildGEP(builder, dst_ptr, &index, 1, ""));
-   }
-
-   LLVMBuildRetVoid(builder);;
-
-   LLVMDisposeBuilder(builder);
-}
-
 
 void *
 llvmpipe_create_blend_state(struct pipe_context *pipe,
-                            const struct pipe_blend_state *base)
+                            const struct pipe_blend_state *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);
-
-#ifdef DEBUG
-   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));
-   LLVMDumpValue(blend->function);
-   debug_printf("\n");
-#endif
-
-   if(LLVMVerifyFunction(blend->function, LLVMPrintMessageAction)) {
-      LLVMDumpValue(blend->function);
-      abort();
-   }
-
-   blend->jit_function = (lp_blend_func)LLVMGetPointerToGlobal(screen->engine, blend->function);
-
-#ifdef DEBUG
-   lp_disassemble(blend->jit_function);
-#endif
-
-   return blend;
+   return mem_dup(blend, sizeof(*blend));
 }
 
 void llvmpipe_bind_blend_state( struct pipe_context *pipe,
@@ -180,23 +51,14 @@ void llvmpipe_bind_blend_state( struct pipe_context *pipe,
 {
    struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
 
-   llvmpipe->blend = (struct lp_blend_state *)blend;
+   llvmpipe->blend = 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 );
 }
 
diff --git a/src/gallium/drivers/llvmpipe/lp_state_fs.c b/src/gallium/drivers/llvmpipe/lp_state_fs.c
index a9b2d482446..cf0a90bc18a 100644
--- a/src/gallium/drivers/llvmpipe/lp_state_fs.c
+++ b/src/gallium/drivers/llvmpipe/lp_state_fs.c
@@ -714,7 +714,7 @@ llvmpipe_update_fs(struct llvmpipe_context *lp)
    memset(&key, 0, sizeof key);
    memcpy(&key.depth, &lp->depth_stencil->depth, sizeof &key.depth);
    memcpy(&key.alpha, &lp->depth_stencil->alpha, sizeof &key.alpha);
-   memcpy(&key.blend, &lp->blend->base, sizeof &key.blend);
+   memcpy(&key.blend, lp->blend, sizeof &key.blend);
 
    variant = shader->variants;
    while(variant) {