| /************************************************************************** |
| * |
| * 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); |
| |
| |
| LLVMValueRef |
| lp_build_const_mask_aos_swizzled(struct gallivm_state *gallivm, |
| struct lp_type type, |
| unsigned mask, |
| 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 */ |