diff options
Diffstat (limited to 'src/gallium/drivers/cell/spu')
| -rw-r--r-- | src/gallium/drivers/cell/spu/Makefile | 3 | ||||
| -rw-r--r-- | src/gallium/drivers/cell/spu/spu_funcs.c | 106 | ||||
| -rw-r--r-- | src/gallium/drivers/cell/spu/spu_funcs.h | 35 | ||||
| -rw-r--r-- | src/gallium/drivers/cell/spu/spu_main.c | 5 |
4 files changed, 148 insertions, 1 deletions
diff --git a/src/gallium/drivers/cell/spu/Makefile b/src/gallium/drivers/cell/spu/Makefile index 1ae0dfb8c1..c2db85247e 100644 --- a/src/gallium/drivers/cell/spu/Makefile +++ b/src/gallium/drivers/cell/spu/Makefile @@ -16,8 +16,9 @@ PROG_SPU_EMBED_O = $(PROG)_spu-embed.o SOURCES = \ - spu_main.c \ + spu_funcs.c \ spu_dcache.c \ + spu_main.c \ spu_per_fragment_op.c \ spu_render.c \ spu_texture.c \ diff --git a/src/gallium/drivers/cell/spu/spu_funcs.c b/src/gallium/drivers/cell/spu/spu_funcs.c new file mode 100644 index 0000000000..d174956518 --- /dev/null +++ b/src/gallium/drivers/cell/spu/spu_funcs.c @@ -0,0 +1,106 @@ +/************************************************************************** + * + * Copyright 2008 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. + * + **************************************************************************/ + + +/** + * SPU functions accessed by shaders. + * + * Authors: Brian Paul + */ + + +#include <string.h> +#include <libmisc.h> +#include <cos8_v.h> +#include <sin8_v.h> + +#include "cell/common.h" +#include "spu_main.h" +#include "spu_funcs.h" + + +#define M_PI 3.1415926 + + +static vector float +spu_cos(vector float x) +{ + static const float scale = 1.0 / (2.0 * M_PI); + x = x * spu_splats(scale); /* normalize */ + return _cos8_v(x); +} + +static vector float +spu_sin(vector float x) +{ + static const float scale = 1.0 / (2.0 * M_PI); + x = x * spu_splats(scale); /* normalize */ + return _sin8_v(x); /* 8-bit accuracy enough?? */ +} + + +static void +add_func(struct cell_spu_function_info *spu_functions, + const char *name, void *addr) +{ + uint n = spu_functions->num; + ASSERT(strlen(name) < 16); + strcpy(spu_functions->names[n], name); + spu_functions->addrs[n] = (uint) addr; + spu_functions->num++; +} + + +/** + * Return info about the SPU's function to the PPU / main memory. + * The PPU needs to know the address of some SPU-side functions so + * that we can generate shader code with function calls. + */ +void +return_function_info(void) +{ + struct cell_spu_function_info funcs ALIGN16_ATTRIB; + int tag = TAG_MISC; + + ASSERT(sizeof(funcs) == 256); /* must be multiple of 16 bytes */ + + funcs.num = 0; + add_func(&funcs, "spu_cos", &spu_cos); + add_func(&funcs, "spu_sin", &spu_sin); + + /* Send the function info back to the PPU / main memory */ + mfc_put((void *) &funcs, /* src in local store */ + (unsigned int) spu.init.spu_functions, /* dst in main memory */ + sizeof(funcs), /* bytes */ + tag, + 0, /* tid */ + 0 /* rid */); + wait_on_mask(1 << tag); +} + + + diff --git a/src/gallium/drivers/cell/spu/spu_funcs.h b/src/gallium/drivers/cell/spu/spu_funcs.h new file mode 100644 index 0000000000..3adb6ae99f --- /dev/null +++ b/src/gallium/drivers/cell/spu/spu_funcs.h @@ -0,0 +1,35 @@ +/************************************************************************** + * + * Copyright 2008 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. + * + **************************************************************************/ + +#ifndef SPU_FUNCS_H +#define SPU_FUNCS_H + +extern void +return_function_info(void); + +#endif + diff --git a/src/gallium/drivers/cell/spu/spu_main.c b/src/gallium/drivers/cell/spu/spu_main.c index b4d30228f7..6ef65d5645 100644 --- a/src/gallium/drivers/cell/spu/spu_main.c +++ b/src/gallium/drivers/cell/spu/spu_main.c @@ -32,6 +32,7 @@ #include <stdio.h> #include <libmisc.h> +#include "spu_funcs.h" #include "spu_main.h" #include "spu_render.h" #include "spu_per_fragment_op.h" @@ -721,6 +722,10 @@ main(main_param_t speid, main_param_t argp) 0 /* rid */); wait_on_mask( 1 << tag ); + if (spu.init.id == 0) { + return_function_info(); + } + #if 0 if (spu.init.id==0) spu_test_misc(spu.init.id); |