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/**************************************************************************
*
* 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
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
/* 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 constant [MAX_CONSTANTS ][4]; /* fixme -- should just be a pointer */
float immediate[MAX_IMMEDIATES][4]; /* fixme -- should just be a pointer */
float internal [MAX_INTERNALS ][4];
float scale[4]; /* viewport */
float translate[4]; /* viewport */
ushort fpu_rnd_nearest;
ushort fpu_rnd_neg_inf;
ushort fpu_restore;
ushort fpucntl; /* one of FPU_* above */
struct {
const void *input_ptr;
unsigned input_stride;
unsigned output_offset;
} attrib[PIPE_MAX_ATTRIBS];
};
struct aos_compilation {
struct x86_function *func;
struct draw_vs_varient_aos_sse *vaos;
unsigned insn_counter;
unsigned num_immediates;
unsigned count;
struct {
unsigned idx:16;
unsigned file:8;
unsigned dirty:8;
unsigned last_used;
} xmm[8];
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 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 */
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 { \
debug_printf("%s: x86 translation failed: %s\n", __FUNCTION__, msg); \
cp->error = 1; \
assert(0); \
} while (0)
struct draw_vs_varient_aos_sse {
struct draw_vs_varient base;
struct draw_context *draw;
#if 0
struct {
const void *ptr;
unsigned stride;
} attrib[PIPE_MAX_ATTRIBS];
#endif
struct aos_machine *machine; /* XXX: temporarily unshared */
vsv_run_linear_func gen_run_linear;
vsv_run_elts_func gen_run_elts;
struct x86_function func[2];
};
#endif
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