llvmpipe: Arithmetic helpers.

1 files changed, 113 insertions, 0 deletions

diff --git a/src/gallium/drivers/llvmpipe/lp_bld_arit.h b/src/gallium/drivers/llvmpipe/lp_bld_arit.h
new file mode 100644
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+++ b/src/gallium/drivers/llvmpipe/lp_bld_arit.h
@@ -0,0 +1,113 @@
+/**************************************************************************
+ *
+ * Copyright 2009 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#ifndef LP_BLD_ARIT_H
+#define LP_BLD_ARIT_H
+
+
+#include <llvm-c/Core.h>  
+
+ 
+#define LP_MAX_VECTOR_SIZE 16
+
+
+/*
+ * Constants
+ */
+
+LLVMValueRef
+lp_build_const_aos(LLVMTypeRef type, 
+                   double r, double g, double b, double a, 
+                   const unsigned char *swizzle);
+
+/*
+ * Basic arithmetic
+ */
+
+LLVMValueRef
+lp_build_add(LLVMBuilderRef builder,
+             LLVMValueRef a,
+             LLVMValueRef b,
+             LLVMValueRef zero);
+
+LLVMValueRef
+lp_build_sub(LLVMBuilderRef builder,
+             LLVMValueRef a,
+             LLVMValueRef b,
+             LLVMValueRef zero);
+
+LLVMValueRef
+lp_build_mul(LLVMBuilderRef builder,
+             LLVMValueRef a,
+             LLVMValueRef b,
+             LLVMValueRef zero,
+             LLVMValueRef one);
+
+LLVMValueRef
+lp_build_min(LLVMBuilderRef builder,
+             LLVMValueRef a,
+             LLVMValueRef b);
+
+LLVMValueRef
+lp_build_max(LLVMBuilderRef builder,
+             LLVMValueRef a,
+             LLVMValueRef b);
+
+/*
+ * Satured arithmetic
+ */
+
+LLVMValueRef
+lp_build_add_sat(LLVMBuilderRef builder,
+                 LLVMValueRef a,
+                 LLVMValueRef b,
+                 LLVMValueRef zero,
+                 LLVMValueRef one);
+
+LLVMValueRef
+lp_build_sub_sat(LLVMBuilderRef builder,
+                 LLVMValueRef a,
+                 LLVMValueRef b,
+                 LLVMValueRef zero,
+                 LLVMValueRef one);
+
+LLVMValueRef
+lp_build_min_sat(LLVMBuilderRef builder,
+                 LLVMValueRef a,
+                 LLVMValueRef b,
+                 LLVMValueRef zero,
+                 LLVMValueRef one);
+
+LLVMValueRef
+lp_build_max_sat(LLVMBuilderRef builder,
+                 LLVMValueRef a,
+                 LLVMValueRef b,
+                 LLVMValueRef zero,
+                 LLVMValueRef one);
+
+
+#endif /* !LP_BLD_ARIT_H */