diff options
| -rw-r--r-- | src/gallium/drivers/cell/common.h | 18 | ||||
| -rw-r--r-- | src/gallium/drivers/cell/ppu/cell_context.h | 1 | ||||
| -rw-r--r-- | src/gallium/drivers/cell/ppu/cell_gen_fp.c | 81 | ||||
| -rw-r--r-- | src/gallium/drivers/cell/ppu/cell_spu.c | 8 | ||||
| -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 |
8 files changed, 254 insertions, 3 deletions
diff --git a/src/gallium/drivers/cell/common.h b/src/gallium/drivers/cell/common.h index f0ff96eb478..99329fd8e22 100644 --- a/src/gallium/drivers/cell/common.h +++ b/src/gallium/drivers/cell/common.h @@ -130,7 +130,7 @@ struct cell_command_fragment_ops #define SPU_MAX_FRAGMENT_PROGRAM_INSTS 128 /** - * Command to send a fragment progra to SPUs. + * Command to send a fragment program to SPUs. */ struct cell_command_fragment_program { @@ -267,6 +267,20 @@ struct cell_command } ALIGN16_ATTRIB; +#define MAX_SPU_FUNCTIONS 12 +/** + * Used to tell the PPU about the address of particular functions in the + * SPU's address space. + */ +struct cell_spu_function_info +{ + uint num; + char names[MAX_SPU_FUNCTIONS][16]; + uint addrs[MAX_SPU_FUNCTIONS]; + char pad[12]; /**< Pad struct to multiple of 16 bytes (256 currently) */ +}; + + /** This is the object passed to spe_create_thread() */ struct cell_init_info { @@ -278,6 +292,8 @@ struct cell_init_info /** Buffers for command batches, vertex/index data */ ubyte *buffers[CELL_NUM_BUFFERS]; uint *buffer_status; /**< points at cell_context->buffer_status */ + + struct cell_spu_function_info *spu_functions; } ALIGN16_ATTRIB; diff --git a/src/gallium/drivers/cell/ppu/cell_context.h b/src/gallium/drivers/cell/ppu/cell_context.h index 14914b9c6f8..a9ad84bb184 100644 --- a/src/gallium/drivers/cell/ppu/cell_context.h +++ b/src/gallium/drivers/cell/ppu/cell_context.h @@ -149,6 +149,7 @@ struct cell_context /** Mapped constant buffers */ void *mapped_constants[PIPE_SHADER_TYPES]; + struct cell_spu_function_info spu_functions ALIGN16_ATTRIB; uint num_spus; diff --git a/src/gallium/drivers/cell/ppu/cell_gen_fp.c b/src/gallium/drivers/cell/ppu/cell_gen_fp.c index 8972b5b1ea9..fd12af19cef 100644 --- a/src/gallium/drivers/cell/ppu/cell_gen_fp.c +++ b/src/gallium/drivers/cell/ppu/cell_gen_fp.c @@ -37,7 +37,7 @@ * \author Brian Paul */ - +#include <math.h> #include "pipe/p_defines.h" #include "pipe/p_state.h" #include "pipe/p_shader_tokens.h" @@ -64,6 +64,7 @@ */ struct codegen { + struct cell_context *cell; int inputs_reg; /**< 1st function parameter */ int outputs_reg; /**< 2nd function parameter */ int constants_reg; /**< 3rd function parameter */ @@ -1076,6 +1077,76 @@ emit_FRC(struct codegen *gen, const struct tgsi_full_instruction *inst) } +#if 0 +static void +print_functions(struct cell_context *cell) +{ + struct cell_spu_function_info *funcs = &cell->spu_functions; + uint i; + for (i = 0; i < funcs->num; i++) { + printf("SPU func %u: %s at %u\n", + i, funcs->names[i], funcs->addrs[i]); + } +} +#endif + + +/** + * Emit code to call a SPU function. + * Used to implement instructions like SIN/COS/POW/TEX/etc. + */ +static boolean +emit_function_call(struct codegen *gen, + const struct tgsi_full_instruction *inst, + char *funcname, uint num_args) +{ + const struct cell_spu_function_info *funcs = &gen->cell->spu_functions; + char comment[100]; + uint addr; + int ch; + + assert(num_args <= 2); + + /* lookup function address */ + { + uint i; + addr = 0; + for (i = 0; i < funcs->num; i++) { + if (strcmp(funcs->names[i], funcname) == 0) { + addr = funcs->addrs[i]; + } + } + assert(addr && "spu function not found"); + } + + sprintf(comment, "CALL %s:", funcname); + spe_comment(gen->f, -4, comment); + + for (ch = 0; ch < 4; ch++) { + if (inst->FullDstRegisters[0].DstRegister.WriteMask & (1 << ch)) { + int d_reg = get_dst_reg(gen, ch, &inst->FullDstRegisters[0]); + int s_regs[3]; + uint a; + for (a = 0; a < num_args; a++) { + s_regs[a] = get_src_reg(gen, ch, &inst->FullSrcRegisters[a]); + } + + /* XXX not done */ + (void) s_regs; + (void) d_reg; + + spe_bisl(gen->f, SPE_REG_RA, addr, 0, 0); /* XXX untested! */ + + + store_dest_reg(gen, d_reg, ch, &inst->FullDstRegisters[0]); + free_itemps(gen); + } + } + + return true; +} + + /** * Emit max. See emit_SGT for comments. */ @@ -1303,6 +1374,13 @@ emit_instruction(struct codegen *gen, case TGSI_OPCODE_END: return emit_END(gen); + case TGSI_OPCODE_COS: + return emit_function_call(gen, inst, "spu_cos", 1); + case TGSI_OPCODE_SIN: + return emit_function_call(gen, inst, "spu_sin", 1); + case TGSI_OPCODE_POW: + return emit_function_call(gen, inst, "spu_pow", 2); + case TGSI_OPCODE_IF: return emit_IF(gen, inst); case TGSI_OPCODE_ELSE: @@ -1431,6 +1509,7 @@ cell_gen_fragment_program(struct cell_context *cell, struct codegen gen; memset(&gen, 0, sizeof(gen)); + gen.cell = cell; gen.f = f; /* For SPE function calls: reg $3 = first param, $4 = second param, etc. */ diff --git a/src/gallium/drivers/cell/ppu/cell_spu.c b/src/gallium/drivers/cell/ppu/cell_spu.c index 9508227e298..df020c4146d 100644 --- a/src/gallium/drivers/cell/ppu/cell_spu.c +++ b/src/gallium/drivers/cell/ppu/cell_spu.c @@ -36,6 +36,7 @@ #include "cell_spu.h" #include "pipe/p_format.h" #include "pipe/p_state.h" +#include "util/u_memory.h" #include "cell/common.h" @@ -131,6 +132,11 @@ cell_start_spus(struct cell_context *cell) ASSERT_ALIGN16(&cell_global.inits[0]); ASSERT_ALIGN16(&cell_global.inits[1]); + /* + * Initialize the global 'inits' structure for each SPU. + * A pointer to the init struct will be passed to each SPU. + * The SPUs will then each grab their init info with mfc_get(). + */ for (i = 0; i < cell->num_spus; i++) { cell_global.inits[i].id = i; cell_global.inits[i].num_spus = cell->num_spus; @@ -141,6 +147,8 @@ cell_start_spus(struct cell_context *cell) } cell_global.inits[i].buffer_status = &cell->buffer_status[0][0][0]; + cell_global.inits[i].spu_functions = &cell->spu_functions; + cell_global.spe_contexts[i] = spe_context_create(0, NULL); if (!cell_global.spe_contexts[i]) { fprintf(stderr, "spe_context_create() failed\n"); diff --git a/src/gallium/drivers/cell/spu/Makefile b/src/gallium/drivers/cell/spu/Makefile index 1ae0dfb8c10..c2db85247e0 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 00000000000..d1749565187 --- /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 00000000000..3adb6ae99f9 --- /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 b4d30228f7a..6ef65d5645d 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); |