diff options
Diffstat (limited to 'src/gallium/auxiliary/gallivm/llvm_builtins.c')
-rw-r--r-- | src/gallium/auxiliary/gallivm/llvm_builtins.c | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/gallivm/llvm_builtins.c b/src/gallium/auxiliary/gallivm/llvm_builtins.c new file mode 100644 index 00000000000..d5a003a48b2 --- /dev/null +++ b/src/gallium/auxiliary/gallivm/llvm_builtins.c @@ -0,0 +1,114 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * 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 TUNGSTEN GRAPHICS 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. + * + **************************************************************************/ + + /* + * Authors: + * Zack Rusin [email protected] + */ +typedef __attribute__(( ext_vector_type(4) )) float float4; + +extern float powf(float a, float b); + +inline float approx(float a, float b) +{ + if (b < -128.0f) b = -128.0f; + if (b > 128.0f) b = 128.0f; + if (a < 0) a = 0; + return powf(a, b); +} + +inline float4 lit(float4 tmp) +{ + float4 result; + result.x = 1.0; + result.w = 1.0; + if (tmp.x > 0) { + result.y = tmp.x; + result.z = approx(tmp.y, tmp.w); + } else { + result.y = 0; + result.z = 0; + } + return result; +} + +inline float4 cmp(float4 tmp0, float4 tmp1, float4 tmp2) +{ + float4 result; + + result.x = (tmp0.x < 0.0) ? tmp1.x : tmp2.x; + result.y = (tmp0.y < 0.0) ? tmp1.y : tmp2.y; + result.z = (tmp0.z < 0.0) ? tmp1.z : tmp2.z; + result.w = (tmp0.w < 0.0) ? tmp1.w : tmp2.w; + + return result; +} + +extern float cosf(float val); +extern float sinf(float val); + +inline float4 vcos(float4 val) +{ + float4 result; + printf("VEC IN is %f %f %f %f\n", val.x, val.y, val.z, val.w); + result.x = cosf(val.x); + result.y = cosf(val.x); + result.z = cosf(val.x); + result.w = cosf(val.x); + printf("VEC OUT is %f %f %f %f\n", result.x, result.y, result.z, result.w); + return result; +} + +inline float4 scs(float4 val) +{ + float4 result; + float tmp = val.x; + result.x = cosf(tmp); + result.y = sinf(tmp); + return result; +} + + +inline float4 vsin(float4 val) +{ + float4 result; + float tmp = val.x; + float res = sinf(tmp); + result.x = res; + result.y = res; + result.z = res; + result.w = res; + return result; +} + +inline int kil(float4 val) +{ + if (val.x < 0 || val.y < 0 || val.z < 0 || val.w < 0) + return 1; + else + return 0; +} |