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. |
* |
**************************************************************************/ |
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/** |
* @file |
* Helper functions for constant building. |
* |
* @author Jose Fonseca <jfonseca@vmware.com> |
*/ |
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#ifndef LP_BLD_CONST_H |
#define LP_BLD_CONST_H |
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#include "pipe/p_compiler.h" |
#include "gallivm/lp_bld.h" |
#include "gallivm/lp_bld_init.h" |
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struct lp_type; |
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unsigned |
lp_mantissa(struct lp_type type); |
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unsigned |
lp_const_shift(struct lp_type type); |
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unsigned |
lp_const_offset(struct lp_type type); |
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double |
lp_const_scale(struct lp_type type); |
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double |
lp_const_min(struct lp_type type); |
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double |
lp_const_max(struct lp_type type); |
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double |
lp_const_eps(struct lp_type type); |
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LLVMValueRef |
lp_build_undef(struct gallivm_state *gallivm, struct lp_type type); |
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LLVMValueRef |
lp_build_zero(struct gallivm_state *gallivm, struct lp_type type); |
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LLVMValueRef |
lp_build_one(struct gallivm_state *gallivm, struct lp_type type); |
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LLVMValueRef |
lp_build_const_elem(struct gallivm_state *gallivm, struct lp_type type, |
double val); |
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LLVMValueRef |
lp_build_const_vec(struct gallivm_state *gallivm, struct lp_type type, |
double val); |
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LLVMValueRef |
lp_build_const_int_vec(struct gallivm_state *gallivm, |
struct lp_type type, long long val); |
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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); |
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LLVMValueRef |
lp_build_const_mask_aos(struct gallivm_state *gallivm, |
struct lp_type type, |
unsigned mask, |
unsigned channels); |
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LLVMValueRef |
lp_build_const_mask_aos_swizzled(struct gallivm_state *gallivm, |
struct lp_type type, |
unsigned mask, |
unsigned channels, |
const unsigned char *swizzle); |
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static INLINE LLVMValueRef |
lp_build_const_int32(struct gallivm_state *gallivm, int i) |
{ |
return LLVMConstInt(LLVMInt32TypeInContext(gallivm->context), i, 0); |
} |
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static INLINE LLVMValueRef |
lp_build_const_float(struct gallivm_state *gallivm, float x) |
{ |
return LLVMConstReal(LLVMFloatTypeInContext(gallivm->context), x); |
} |
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/** 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; |
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/* 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; |
} |
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LLVMValueRef |
lp_build_const_string(struct gallivm_state *gallivm, |
const char *str); |
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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); |
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#endif /* !LP_BLD_CONST_H */ |