import Mesa 11.0.6

1 files changed, 168 insertions, 0 deletions

diff --git a/lib/mesa/src/gallium/auxiliary/gallivm/lp_bld_const.h b/lib/mesa/src/gallium/auxiliary/gallivm/lp_bld_const.h
new file mode 100644
index 000000000..a4c3bf097
--- /dev/null
+++ b/lib/mesa/src/gallium/auxiliary/gallivm/lp_bld_const.h
@@ -0,0 +1,168 @@
+/**************************************************************************
+ *
+ * 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.
+ *
+ **************************************************************************/
+
+/**
+ * @file
+ * Helper functions for constant building.
+ *
+ * @author Jose Fonseca <jfonseca@vmware.com>
+ */
+
+
+#ifndef LP_BLD_CONST_H
+#define LP_BLD_CONST_H
+
+
+#include "pipe/p_compiler.h"
+#include "gallivm/lp_bld.h"
+#include "gallivm/lp_bld_init.h"
+
+
+
+struct lp_type;
+
+
+unsigned
+lp_mantissa(struct lp_type type);
+
+
+unsigned
+lp_const_shift(struct lp_type type);
+
+
+unsigned
+lp_const_offset(struct lp_type type);
+
+
+double
+lp_const_scale(struct lp_type type);
+
+double
+lp_const_min(struct lp_type type);
+
+
+double
+lp_const_max(struct lp_type type);
+
+
+double
+lp_const_eps(struct lp_type type);
+
+
+LLVMValueRef
+lp_build_undef(struct gallivm_state *gallivm, struct lp_type type);
+
+
+LLVMValueRef
+lp_build_zero(struct gallivm_state *gallivm, struct lp_type type);
+
+
+LLVMValueRef
+lp_build_one(struct gallivm_state *gallivm, struct lp_type type);
+
+
+LLVMValueRef
+lp_build_const_elem(struct gallivm_state *gallivm, struct lp_type type,
+                    double val);
+
+LLVMValueRef
+lp_build_const_vec(struct gallivm_state *gallivm, struct lp_type type,
+                   double val);
+
+
+LLVMValueRef
+lp_build_const_int_vec(struct gallivm_state *gallivm,
+                       struct lp_type type, long long val);
+
+
+LLVMValueRef
+lp_build_const_aos(struct gallivm_state *gallivm, struct lp_type type, 
+                   double r, double g, double b, double a, 
+                   const unsigned char *swizzle);
+
+
+LLVMValueRef
+lp_build_const_mask_aos(struct gallivm_state *gallivm,
+                        struct lp_type type,
+                        unsigned mask,
+                        unsigned channels);
+
+
+LLVMValueRef
+lp_build_const_mask_aos_swizzled(struct gallivm_state *gallivm,
+                                 struct lp_type type,
+                                 unsigned mask,
+                                 unsigned channels,
+                                 const unsigned char *swizzle);
+
+
+static inline LLVMValueRef
+lp_build_const_int32(struct gallivm_state *gallivm, int i)
+{
+   return LLVMConstInt(LLVMInt32TypeInContext(gallivm->context), i, 0);
+}
+
+
+static inline LLVMValueRef
+lp_build_const_float(struct gallivm_state *gallivm, float x)
+{
+   return LLVMConstReal(LLVMFloatTypeInContext(gallivm->context), x);
+}
+
+
+/** Return constant-valued pointer to int */
+static inline LLVMValueRef
+lp_build_const_int_pointer(struct gallivm_state *gallivm, const void *ptr)
+{
+   LLVMTypeRef int_type;
+   LLVMValueRef v;
+
+   /* int type large enough to hold a pointer */
+   int_type = LLVMIntTypeInContext(gallivm->context, 8 * sizeof(void *));
+   v = LLVMConstInt(int_type, (uintptr_t) ptr, 0);
+   v = LLVMBuildIntToPtr(gallivm->builder, v,
+                         LLVMPointerType(int_type, 0),
+                         "cast int to ptr");
+   return v;
+}
+
+
+LLVMValueRef
+lp_build_const_string(struct gallivm_state *gallivm,
+                      const char *str);
+
+
+LLVMValueRef
+lp_build_const_func_pointer(struct gallivm_state *gallivm,
+                            const void *ptr,
+                            LLVMTypeRef ret_type,
+                            LLVMTypeRef *arg_types,
+                            unsigned num_args,
+                            const char *name);
+
+
+#endif /* !LP_BLD_CONST_H */