llvmpipe: generate multisample triangle rasterizer functions (v2)
[mesa.git] / src / gallium / drivers / llvmpipe / lp_bld_blend.h
index ebbdb1a604c679aed7427ba9a1b3fd6e1ba2e496..adfab85dc097491e636635b3c8eab99c233a6765 100644 (file)
 #define LP_BLD_BLEND_H
 
 
-/**
- * @file
- * LLVM IR building helpers interfaces.
- *
- * We use LLVM-C bindings for now. They are not documented, but follow the C++
- * interfaces very closely, and appear to be complete enough for code
- * genration. See
- * http://npcontemplation.blogspot.com/2008/06/secret-of-llvm-c-bindings.html
- * for a standalone example.
- */
-
 #include "gallivm/lp_bld.h"
+#include "gallivm/lp_bld_init.h"
  
 #include "pipe/p_format.h"
 
 struct pipe_blend_state;
 struct lp_type;
 struct lp_build_context;
-
-
-/**
- * Whether the blending function is commutative or not.
- */
-boolean
-lp_build_blend_func_commutative(unsigned func);
-
-
-/**
- * Whether the blending functions are the reverse of each other.
- */
-boolean
-lp_build_blend_func_reverse(unsigned rgb_func, unsigned alpha_func);
+struct lp_build_mask_context;
 
 
 LLVMValueRef
-lp_build_blend_func(struct lp_build_context *bld,
-                    unsigned func,
-                    LLVMValueRef term1,
-                    LLVMValueRef term2);
+lp_build_blend(struct lp_build_context *bld,
+               unsigned func,
+               unsigned factor_src,
+               unsigned factor_dst,
+               LLVMValueRef src,
+               LLVMValueRef dst,
+               LLVMValueRef src_factor,
+               LLVMValueRef dst_factor,
+               boolean not_alpha_dependent,
+               boolean optimise_only);
 
 
 LLVMValueRef
-lp_build_blend_aos(LLVMBuilderRef builder,
+lp_build_blend_aos(struct gallivm_state *gallivm,
                    const struct pipe_blend_state *blend,
+                   enum pipe_format cbuf_format,
                    struct lp_type type,
+                   unsigned rt,
                    LLVMValueRef src,
+                   LLVMValueRef src_alpha,
+                   LLVMValueRef src1,
+                   LLVMValueRef src1_alpha,
                    LLVMValueRef dst,
+                   LLVMValueRef mask,
                    LLVMValueRef const_,
-                   unsigned alpha_swizzle);
-
-
-void
-lp_build_blend_soa(LLVMBuilderRef builder,
-                   const struct pipe_blend_state *blend,
-                   struct lp_type type,
-                   LLVMValueRef src[4],
-                   LLVMValueRef dst[4],
-                   LLVMValueRef const_[4],
-                   LLVMValueRef res[4]);
+                   LLVMValueRef const_alpha,
+                   const unsigned char swizzle[4],
+                   int nr_channels);
 
 
 /**
@@ -104,4 +85,26 @@ lp_build_logicop(LLVMBuilderRef builder,
                  LLVMValueRef dst);
 
 
+LLVMValueRef
+lp_build_blend_func(struct lp_build_context *bld,
+                    unsigned func,
+                    LLVMValueRef term1,
+                    LLVMValueRef term2);
+
+
+boolean
+lp_build_blend_func_reverse(unsigned rgb_func,
+                            unsigned alpha_func);
+
+
+boolean
+lp_build_blend_func_commutative(unsigned func);
+
+void
+lp_build_alpha_to_coverage(struct gallivm_state *gallivm,
+                           struct lp_type type,
+                           struct lp_build_mask_context *mask,
+                           LLVMValueRef alpha,
+                           boolean do_branch);
+
 #endif /* !LP_BLD_BLEND_H */