diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/auxiliary/Makefile | 1 | ||||
| -rw-r--r-- | src/gallium/auxiliary/SConscript | 1 | ||||
| -rw-r--r-- | src/gallium/auxiliary/gallivm/lp_bld_quad.c | 101 | ||||
| -rw-r--r-- | src/gallium/auxiliary/gallivm/lp_bld_quad.h | 96 | ||||
| -rw-r--r-- | src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c | 57 |
5 files changed, 204 insertions, 52 deletions
diff --git a/src/gallium/auxiliary/Makefile b/src/gallium/auxiliary/Makefile index 1abf12e95bd..3b202b5bc77 100644 --- a/src/gallium/auxiliary/Makefile +++ b/src/gallium/auxiliary/Makefile @@ -158,6 +158,7 @@ GALLIVM_SOURCES = \ gallivm/lp_bld_logic.c \ gallivm/lp_bld_pack.c \ gallivm/lp_bld_printf.c \ + gallivm/lp_bld_quad.c \ gallivm/lp_bld_sample.c \ gallivm/lp_bld_sample_soa.c \ gallivm/lp_bld_struct.c \ diff --git a/src/gallium/auxiliary/SConscript b/src/gallium/auxiliary/SConscript index 7039d5f0c55..af4d5edcf86 100644 --- a/src/gallium/auxiliary/SConscript +++ b/src/gallium/auxiliary/SConscript @@ -208,6 +208,7 @@ if env['llvm']: 'gallivm/lp_bld_misc.cpp', 'gallivm/lp_bld_pack.c', 'gallivm/lp_bld_printf.c', + 'gallivm/lp_bld_quad.c', 'gallivm/lp_bld_sample.c', 'gallivm/lp_bld_sample_soa.c', 'gallivm/lp_bld_struct.c', diff --git a/src/gallium/auxiliary/gallivm/lp_bld_quad.c b/src/gallium/auxiliary/gallivm/lp_bld_quad.c new file mode 100644 index 00000000000..38fd5a39efa --- /dev/null +++ b/src/gallium/auxiliary/gallivm/lp_bld_quad.c @@ -0,0 +1,101 @@ +/************************************************************************** + * + * Copyright 2010 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 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 + * THE COPYRIGHT HOLDERS, AUTHORS 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. + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + **************************************************************************/ + + +#include "lp_bld_type.h" +#include "lp_bld_arit.h" +#include "lp_bld_swizzle.h" +#include "lp_bld_quad.h" + + +static const unsigned char +swizzle_left[4] = { + LP_BLD_QUAD_TOP_LEFT, LP_BLD_QUAD_TOP_LEFT, + LP_BLD_QUAD_BOTTOM_LEFT, LP_BLD_QUAD_BOTTOM_LEFT +}; + +static const unsigned char +swizzle_right[4] = { + LP_BLD_QUAD_TOP_RIGHT, LP_BLD_QUAD_TOP_RIGHT, + LP_BLD_QUAD_BOTTOM_RIGHT, LP_BLD_QUAD_BOTTOM_RIGHT +}; + +static const unsigned char +swizzle_top[4] = { + LP_BLD_QUAD_TOP_LEFT, LP_BLD_QUAD_TOP_RIGHT, + LP_BLD_QUAD_TOP_LEFT, LP_BLD_QUAD_TOP_RIGHT +}; + +static const unsigned char +swizzle_bottom[4] = { + LP_BLD_QUAD_BOTTOM_LEFT, LP_BLD_QUAD_BOTTOM_RIGHT, + LP_BLD_QUAD_BOTTOM_LEFT, LP_BLD_QUAD_BOTTOM_RIGHT +}; + + +LLVMValueRef +lp_build_ddx(struct lp_build_context *bld, + LLVMValueRef a) +{ + LLVMValueRef a_left = lp_build_swizzle1_aos(bld, a, swizzle_left); + LLVMValueRef a_right = lp_build_swizzle1_aos(bld, a, swizzle_right); + return lp_build_sub(bld, a_right, a_left); +} + + +LLVMValueRef +lp_build_ddy(struct lp_build_context *bld, + LLVMValueRef a) +{ + LLVMValueRef a_top = lp_build_swizzle1_aos(bld, a, swizzle_top); + LLVMValueRef a_bottom = lp_build_swizzle1_aos(bld, a, swizzle_bottom); + return lp_build_sub(bld, a_bottom, a_top); +} + + +LLVMValueRef +lp_build_scalar_ddx(struct lp_build_context *bld, + LLVMValueRef a) +{ + LLVMValueRef idx_left = LLVMConstInt(LLVMInt32Type(), LP_BLD_QUAD_TOP_LEFT, 0); + LLVMValueRef idx_right = LLVMConstInt(LLVMInt32Type(), LP_BLD_QUAD_TOP_RIGHT, 0); + LLVMValueRef a_left = LLVMBuildExtractElement(bld->builder, a, idx_left, ""); + LLVMValueRef a_right = LLVMBuildExtractElement(bld->builder, a, idx_right, ""); + return LLVMBuildSub(bld->builder, a_right, a_left, ""); +} + + +LLVMValueRef +lp_build_scalar_ddy(struct lp_build_context *bld, + LLVMValueRef a) +{ + LLVMValueRef idx_top = LLVMConstInt(LLVMInt32Type(), LP_BLD_QUAD_TOP_LEFT, 0); + LLVMValueRef idx_bottom = LLVMConstInt(LLVMInt32Type(), LP_BLD_QUAD_BOTTOM_LEFT, 0); + LLVMValueRef a_top = LLVMBuildExtractElement(bld->builder, a, idx_top, ""); + LLVMValueRef a_bottom = LLVMBuildExtractElement(bld->builder, a, idx_bottom, ""); + return LLVMBuildSub(bld->builder, a_bottom, a_top, ""); +} diff --git a/src/gallium/auxiliary/gallivm/lp_bld_quad.h b/src/gallium/auxiliary/gallivm/lp_bld_quad.h new file mode 100644 index 00000000000..b7992912927 --- /dev/null +++ b/src/gallium/auxiliary/gallivm/lp_bld_quad.h @@ -0,0 +1,96 @@ +/************************************************************************** + * + * Copyright 2010 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 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 + * THE COPYRIGHT HOLDERS, AUTHORS 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. + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + **************************************************************************/ + + +#ifndef LP_BLD_QUAD_H_ +#define LP_BLD_QUAD_H_ + + +#include "gallivm/lp_bld.h" + + +struct lp_build_context; + + +/* + * Each quad is composed of four elements. + * + * ######### + * # 0 | 1 # + * #---+---# + * # 2 | 3 # + * ######### + */ + +enum lp_bld_quad { + LP_BLD_QUAD_TOP_LEFT = 0, + LP_BLD_QUAD_TOP_RIGHT = 1, + LP_BLD_QUAD_BOTTOM_LEFT = 2, + LP_BLD_QUAD_BOTTOM_RIGHT = 3 +}; + + +/* + * (Vector) derivates. + * + * More than one quad is supported. The only requirement is that the vector + * contains a whole number of quads: + * + * ######### ######### ... + * # 0 | 1 # # 4 | 5 # + * #---+---# #---+---# ... + * # 2 | 3 # # 6 | 7 # + * ######### ######### ... + */ + +LLVMValueRef +lp_build_ddx(struct lp_build_context *bld, + LLVMValueRef a); + + +LLVMValueRef +lp_build_ddy(struct lp_build_context *bld, + LLVMValueRef a); + + +/* + * Scalar derivatives. + * + * Same as getting the first value of above. + */ + +LLVMValueRef +lp_build_scalar_ddx(struct lp_build_context *bld, + LLVMValueRef a); + + +LLVMValueRef +lp_build_scalar_ddy(struct lp_build_context *bld, + LLVMValueRef a); + + +#endif /* LP_BLD_QUAD_H_ */ diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c index 40ea94c4935..ea949a13631 100644 --- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c +++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c @@ -53,6 +53,7 @@ #include "lp_bld_logic.h" #include "lp_bld_swizzle.h" #include "lp_bld_flow.h" +#include "lp_bld_quad.h" #include "lp_bld_tgsi.h" #include "lp_bld_limits.h" #include "lp_bld_debug.h" @@ -76,11 +77,6 @@ #define CHAN_Z 2 #define CHAN_W 3 -#define QUAD_TOP_LEFT 0 -#define QUAD_TOP_RIGHT 1 -#define QUAD_BOTTOM_LEFT 2 -#define QUAD_BOTTOM_RIGHT 3 - #define LP_MAX_INSTRUCTIONS 256 @@ -148,30 +144,6 @@ struct lp_build_tgsi_soa_context uint max_instructions; }; -static const unsigned char -swizzle_left[4] = { - QUAD_TOP_LEFT, QUAD_TOP_LEFT, - QUAD_BOTTOM_LEFT, QUAD_BOTTOM_LEFT -}; - -static const unsigned char -swizzle_right[4] = { - QUAD_TOP_RIGHT, QUAD_TOP_RIGHT, - QUAD_BOTTOM_RIGHT, QUAD_BOTTOM_RIGHT -}; - -static const unsigned char -swizzle_top[4] = { - QUAD_TOP_LEFT, QUAD_TOP_RIGHT, - QUAD_TOP_LEFT, QUAD_TOP_RIGHT -}; - -static const unsigned char -swizzle_bottom[4] = { - QUAD_BOTTOM_LEFT, QUAD_BOTTOM_RIGHT, - QUAD_BOTTOM_LEFT, QUAD_BOTTOM_RIGHT -}; - static void lp_exec_mask_init(struct lp_exec_mask *mask, struct lp_build_context *bld) { mask->bld = bld; @@ -433,25 +405,6 @@ static void lp_exec_mask_endsub(struct lp_exec_mask *mask, int *pc) } static LLVMValueRef -emit_ddx(struct lp_build_tgsi_soa_context *bld, - LLVMValueRef src) -{ - LLVMValueRef src_left = lp_build_swizzle1_aos(&bld->base, src, swizzle_left); - LLVMValueRef src_right = lp_build_swizzle1_aos(&bld->base, src, swizzle_right); - return lp_build_sub(&bld->base, src_right, src_left); -} - - -static LLVMValueRef -emit_ddy(struct lp_build_tgsi_soa_context *bld, - LLVMValueRef src) -{ - LLVMValueRef src_top = lp_build_swizzle1_aos(&bld->base, src, swizzle_top); - LLVMValueRef src_bottom = lp_build_swizzle1_aos(&bld->base, src, swizzle_bottom); - return lp_build_sub(&bld->base, src_top, src_bottom); -} - -static LLVMValueRef get_temp_ptr(struct lp_build_tgsi_soa_context *bld, unsigned index, unsigned chan, @@ -599,10 +552,10 @@ emit_fetch_deriv( /* TODO: use interpolation coeffs for inputs */ if(ddx) - *ddx = emit_ddx(bld, src); + *ddx = lp_build_ddx(&bld->base, src); if(ddy) - *ddy = emit_ddy(bld, src); + *ddy = lp_build_ddy(&bld->base, src); } @@ -842,8 +795,8 @@ emit_tex( struct lp_build_tgsi_soa_context *bld, unit = inst->Src[3].Register.Index; } else { for (i = 0; i < num_coords; i++) { - ddx[i] = emit_ddx( bld, coords[i] ); - ddy[i] = emit_ddy( bld, coords[i] ); + ddx[i] = lp_build_ddx( &bld->base, coords[i] ); + ddy[i] = lp_build_ddy( &bld->base, coords[i] ); } unit = inst->Src[1].Register.Index; } |