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Diffstat (limited to 'src/gallium/auxiliary/draw/draw_vs_aos.h')
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_vs_aos.h | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/draw/draw_vs_aos.h b/src/gallium/auxiliary/draw/draw_vs_aos.h new file mode 100644 index 0000000000..64e021ff6b --- /dev/null +++ b/src/gallium/auxiliary/draw/draw_vs_aos.h @@ -0,0 +1,248 @@ +/************************************************************************** + * + * 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: Keith Whitwell <keith@tungstengraphics.com> + */ + +#ifndef DRAW_VS_AOS_H +#define DRAW_VS_AOS_H + +#include "pipe/p_config.h" + +#ifdef PIPE_ARCH_X86 + +struct tgsi_token; +struct x86_function; + +#include "pipe/p_state.h" +#include "rtasm/rtasm_x86sse.h" + + + + + +#define X 0 +#define Y 1 +#define Z 2 +#define W 3 + +#define MAX_INPUTS PIPE_MAX_ATTRIBS +#define MAX_OUTPUTS PIPE_MAX_ATTRIBS +#define MAX_TEMPS PIPE_MAX_ATTRIBS /* say */ +#define MAX_CONSTANTS PIPE_MAX_ATTRIBS /* say */ +#define MAX_IMMEDIATES PIPE_MAX_ATTRIBS /* say */ +#define MAX_INTERNALS 8 + +#define AOS_FILE_INTERNAL TGSI_FILE_COUNT + +#define FPU_RND_NEG 1 +#define FPU_RND_NEAREST 2 + +struct aos_machine; +typedef void (PIPE_CDECL *lit_func)( struct aos_machine *, + float *result, + const float *in, + unsigned count ); + +void PIPE_CDECL aos_do_lit( struct aos_machine *machine, + float *result, + const float *in, + unsigned count ); + +struct shine_tab { + float exponent; + float values[258]; + unsigned last_used; +}; + +struct lit_info { + lit_func func; + struct shine_tab *shine_tab; +}; + +#define MAX_SHINE_TAB 4 +#define MAX_LIT_INFO 16 + +struct aos_attrib { + const void *input_ptr; + unsigned input_stride; +}; + + + + +/* This is the temporary storage used by all the aos_sse vs varients. + * Create one per context and reuse by passing a pointer in at + * vs_varient creation?? + */ +struct aos_machine { + float input [MAX_INPUTS ][4]; + float output [MAX_OUTPUTS ][4]; + float temp [MAX_TEMPS ][4]; + float internal [MAX_INTERNALS ][4]; + + float scale[4]; /* viewport */ + float translate[4]; /* viewport */ + + float tmp[2][4]; /* scratch space for LIT */ + + struct shine_tab shine_tab[MAX_SHINE_TAB]; + struct lit_info lit_info[MAX_LIT_INFO]; + unsigned now; + + + ushort fpu_rnd_nearest; + ushort fpu_rnd_neg_inf; + ushort fpu_restore; + ushort fpucntl; /* one of FPU_* above */ + + const float (*immediates)[4]; /* points to shader data */ + const float (*constants)[4]; /* points to draw data */ + + const struct aos_attrib *attrib; /* points to ? */ +}; + + + + +struct aos_compilation { + struct x86_function *func; + struct draw_vs_varient_aos_sse *vaos; + + unsigned insn_counter; + unsigned num_immediates; + unsigned count; + unsigned lit_count; + + struct { + unsigned idx:16; + unsigned file:8; + unsigned dirty:8; + unsigned last_used; + } xmm[8]; + + unsigned x86_reg[2]; /* one of X86_* */ + + boolean input_fetched[PIPE_MAX_ATTRIBS]; + unsigned output_last_write[PIPE_MAX_ATTRIBS]; + + boolean have_sse2; + boolean error; + short fpucntl; + + /* these are actually known values, but putting them in a struct + * like this is helpful to keep them in sync across the file. + */ + struct x86_reg tmp_EAX; + struct x86_reg idx_EBX; /* either start+i or &elt[i] */ + struct x86_reg outbuf_ECX; + struct x86_reg machine_EDX; + struct x86_reg count_ESI; /* decrements to zero */ + struct x86_reg temp_EBP; + struct x86_reg stack_ESP; +}; + +struct x86_reg aos_get_xmm_reg( struct aos_compilation *cp ); +void aos_release_xmm_reg( struct aos_compilation *cp, unsigned idx ); + +void aos_adopt_xmm_reg( struct aos_compilation *cp, + struct x86_reg reg, + unsigned file, + unsigned idx, + unsigned dirty ); + +struct x86_reg aos_get_shader_reg( struct aos_compilation *cp, + unsigned file, + unsigned idx ); + +boolean aos_fetch_inputs( struct aos_compilation *cp, + boolean linear ); + +boolean aos_emit_outputs( struct aos_compilation *cp ); + + +#define IMM_ONES 0 /* 1, 1,1,1 */ +#define IMM_SWZ 1 /* 1,-1,0, 0xffffffff */ +#define IMM_IDENTITY 2 /* 0, 0,0,1 */ +#define IMM_INV_255 3 /* 1/255, 1/255, 1/255, 1/255 */ +#define IMM_255 4 /* 255, 255, 255, 255 */ +#define IMM_NEGS 5 /* -1,-1,-1,-1 */ +#define IMM_RSQ 6 /* -.5,1.5,_,_ */ +#define IMM_PSIZE 7 /* not really an immediate - updated each run */ + +struct x86_reg aos_get_internal( struct aos_compilation *cp, + unsigned imm ); +struct x86_reg aos_get_internal_xmm( struct aos_compilation *cp, + unsigned imm ); + + +#define ERROR(cp, msg) \ +do { \ + if (0) debug_printf("%s: x86 translation failed: %s\n", __FUNCTION__, msg); \ + cp->error = 1; \ +} while (0) + + +#define X86_NULL 0 +#define X86_IMMEDIATES 1 +#define X86_CONSTANTS 2 +#define X86_ATTRIBS 3 + +struct x86_reg aos_get_x86( struct aos_compilation *cp, + unsigned which_reg, + unsigned value ); + + +typedef void (PIPE_CDECL *vaos_run_elts_func)( struct aos_machine *, + const unsigned *elts, + unsigned count, + void *output_buffer); + +typedef void (PIPE_CDECL *vaos_run_linear_func)( struct aos_machine *, + unsigned start, + unsigned count, + void *output_buffer); + + +struct draw_vs_varient_aos_sse { + struct draw_vs_varient base; + struct draw_context *draw; + + struct aos_attrib *attrib; + + vaos_run_linear_func gen_run_linear; + vaos_run_elts_func gen_run_elts; + + + struct x86_function func[2]; +}; + + +#endif + +#endif + |