169 lines
4.4 KiB
C
169 lines
4.4 KiB
C
/**************************************************************************
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*
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* Copyright 2009 VMware, Inc.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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/**
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* @file
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* Helper functions for constant building.
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*
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* @author Jose Fonseca <jfonseca@vmware.com>
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*/
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#ifndef LP_BLD_CONST_H
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#define LP_BLD_CONST_H
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#include "pipe/p_compiler.h"
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#include "gallivm/lp_bld.h"
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#include "gallivm/lp_bld_init.h"
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struct lp_type;
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unsigned
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lp_mantissa(struct lp_type type);
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unsigned
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lp_const_shift(struct lp_type type);
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unsigned
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lp_const_offset(struct lp_type type);
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double
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lp_const_scale(struct lp_type type);
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double
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lp_const_min(struct lp_type type);
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double
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lp_const_max(struct lp_type type);
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double
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lp_const_eps(struct lp_type type);
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LLVMValueRef
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lp_build_undef(struct gallivm_state *gallivm, struct lp_type type);
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LLVMValueRef
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lp_build_zero(struct gallivm_state *gallivm, struct lp_type type);
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LLVMValueRef
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lp_build_one(struct gallivm_state *gallivm, struct lp_type type);
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LLVMValueRef
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lp_build_const_elem(struct gallivm_state *gallivm, struct lp_type type,
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double val);
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LLVMValueRef
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lp_build_const_vec(struct gallivm_state *gallivm, struct lp_type type,
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double val);
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LLVMValueRef
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lp_build_const_int_vec(struct gallivm_state *gallivm,
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struct lp_type type, long long val);
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LLVMValueRef
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lp_build_const_aos(struct gallivm_state *gallivm, struct lp_type type,
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double r, double g, double b, double a,
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const unsigned char *swizzle);
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LLVMValueRef
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lp_build_const_mask_aos(struct gallivm_state *gallivm,
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struct lp_type type,
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unsigned mask,
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unsigned channels);
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LLVMValueRef
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lp_build_const_mask_aos_swizzled(struct gallivm_state *gallivm,
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struct lp_type type,
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unsigned mask,
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unsigned channels,
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const unsigned char *swizzle);
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static INLINE LLVMValueRef
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lp_build_const_int32(struct gallivm_state *gallivm, int i)
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{
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return LLVMConstInt(LLVMInt32TypeInContext(gallivm->context), i, 0);
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}
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static INLINE LLVMValueRef
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lp_build_const_float(struct gallivm_state *gallivm, float x)
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{
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return LLVMConstReal(LLVMFloatTypeInContext(gallivm->context), x);
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}
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/** Return constant-valued pointer to int */
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static INLINE LLVMValueRef
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lp_build_const_int_pointer(struct gallivm_state *gallivm, const void *ptr)
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{
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LLVMTypeRef int_type;
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LLVMValueRef v;
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/* int type large enough to hold a pointer */
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int_type = LLVMIntTypeInContext(gallivm->context, 8 * sizeof(void *));
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v = LLVMConstInt(int_type, (uintptr_t) ptr, 0);
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v = LLVMBuildIntToPtr(gallivm->builder, v,
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LLVMPointerType(int_type, 0),
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"cast int to ptr");
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return v;
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}
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LLVMValueRef
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lp_build_const_string(struct gallivm_state *gallivm,
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const char *str);
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LLVMValueRef
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lp_build_const_func_pointer(struct gallivm_state *gallivm,
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const void *ptr,
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LLVMTypeRef ret_type,
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LLVMTypeRef *arg_types,
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unsigned num_args,
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const char *name);
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#endif /* !LP_BLD_CONST_H */
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