/************************************************************************** * * 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. * **************************************************************************/ #include "pipe/p_util.h" #include "pipe/p_shader_tokens.h" #include "tgsi/util/tgsi_parse.h" #include "tgsi/util/tgsi_util.h" #include "tgsi_exec.h" #include "tgsi_sse2.h" #include "x86/rtasm/x86sse.h" #if defined(__i386__) || defined(__386__) #define DUMP_SSE 0 #if DUMP_SSE static void _print_reg( struct x86_reg reg ) { if (reg.mod != mod_REG) debug_printf( "[" ); switch( reg.file ) { case file_REG32: switch( reg.idx ) { case reg_AX: debug_printf( "EAX" ); break; case reg_CX: debug_printf( "ECX" ); break; case reg_DX: debug_printf( "EDX" ); break; case reg_BX: debug_printf( "EBX" ); break; case reg_SP: debug_printf( "ESP" ); break; case reg_BP: debug_printf( "EBP" ); break; case reg_SI: debug_printf( "ESI" ); break; case reg_DI: debug_printf( "EDI" ); break; } break; case file_MMX: assert( 0 ); break; case file_XMM: debug_printf( "XMM%u", reg.idx ); break; case file_x87: assert( 0 ); break; } if (reg.mod == mod_DISP8 || reg.mod == mod_DISP32) debug_printf("+%d", reg.disp); if (reg.mod != mod_REG) debug_printf( "]" ); } static void _fill( const char *op ) { unsigned count = 10 - strlen( op ); while( count-- ) { debug_printf( " " ); } } #define DUMP_START() debug_printf( "\nsse-dump start ----------------" ) #define DUMP_END() debug_printf( "\nsse-dump end ----------------\n" ) #define DUMP( OP ) debug_printf( "\n%s", OP ) #define DUMP_I( OP, I ) do {\ debug_printf( "\n%s", OP );\ _fill( OP );\ debug_printf( "%u", I ); } while( 0 ) #define DUMP_R( OP, R0 ) do {\ debug_printf( "\n%s", OP );\ _fill( OP );\ _print_reg( R0 ); } while( 0 ) #define DUMP_RR( OP, R0, R1 ) do {\ debug_printf( "\n%s", OP );\ _fill( OP );\ _print_reg( R0 );\ debug_printf( ", " );\ _print_reg( R1 ); } while( 0 ) #define DUMP_RRI( OP, R0, R1, I ) do {\ debug_printf( "\n%s", OP );\ _fill( OP );\ _print_reg( R0 );\ debug_printf( ", " );\ _print_reg( R1 );\ debug_printf( ", " );\ debug_printf( "%u", I ); } while( 0 ) #else #define DUMP_START() #define DUMP_END() #define DUMP( OP ) #define DUMP_I( OP, I ) #define DUMP_R( OP, R0 ) #define DUMP_RR( OP, R0, R1 ) #define DUMP_RRI( OP, R0, R1, I ) #endif #define FOR_EACH_CHANNEL( CHAN )\ for( CHAN = 0; CHAN < 4; CHAN++ ) #define IS_DST0_CHANNEL_ENABLED( INST, CHAN )\ ((INST).FullDstRegisters[0].DstRegister.WriteMask & (1 << (CHAN))) #define IF_IS_DST0_CHANNEL_ENABLED( INST, CHAN )\ if( IS_DST0_CHANNEL_ENABLED( INST, CHAN )) #define FOR_EACH_DST0_ENABLED_CHANNEL( INST, CHAN )\ FOR_EACH_CHANNEL( CHAN )\ IF_IS_DST0_CHANNEL_ENABLED( INST, CHAN ) #define CHAN_X 0 #define CHAN_Y 1 #define CHAN_Z 2 #define CHAN_W 3 #define TEMP_R0 TGSI_EXEC_TEMP_R0 /** * X86 utility functions. */ static struct x86_reg make_xmm( unsigned xmm ) { return x86_make_reg( file_XMM, (enum x86_reg_name) xmm ); } /** * X86 register mapping helpers. */ static struct x86_reg get_const_base( void ) { return x86_make_reg( file_REG32, reg_CX ); } static struct x86_reg get_input_base( void ) { return x86_make_reg( file_REG32, reg_AX ); } static struct x86_reg get_output_base( void ) { return x86_make_reg( file_REG32, reg_DX ); } static struct x86_reg get_temp_base( void ) { #ifdef WIN32 return x86_make_reg( file_REG32, reg_BX ); #else return x86_make_reg( file_REG32, reg_SI ); #endif } static struct x86_reg get_coef_base( void ) { return get_output_base(); } /** * Data access helpers. */ static struct x86_reg get_argument( unsigned index ) { return x86_make_disp( x86_make_reg( file_REG32, reg_SP ), (index + 1) * 4 ); } static struct x86_reg get_const( unsigned vec, unsigned chan ) { return x86_make_disp( get_const_base(), (vec * 4 + chan) * 4 ); } static struct x86_reg get_input( unsigned vec, unsigned chan ) { return x86_make_disp( get_input_base(), (vec * 4 + chan) * 16 ); } static struct x86_reg get_output( unsigned vec, unsigned chan ) { return x86_make_disp( get_output_base(), (vec * 4 + chan) * 16 ); } static struct x86_reg get_temp( unsigned vec, unsigned chan ) { return x86_make_disp( get_temp_base(), (vec * 4 + chan) * 16 ); } static struct x86_reg get_coef( unsigned vec, unsigned chan, unsigned member ) { return x86_make_disp( get_coef_base(), ((vec * 3 + member) * 4 + chan) * 4 ); } /** * X86 rtasm wrappers. */ static void emit_addps( struct x86_function *func, struct x86_reg dst, struct x86_reg src ) { DUMP_RR( "ADDPS", dst, src ); sse_addps( func, dst, src ); } static void emit_andnps( struct x86_function *func, struct x86_reg dst, struct x86_reg src ) { DUMP_RR( "ANDNPS", dst, src ); sse_andnps( func, dst, src ); } static void emit_andps( struct x86_function *func, struct x86_reg dst, struct x86_reg src ) { DUMP_RR( "ANDPS", dst, src ); sse_andps( func, dst, src ); } static void emit_call( struct x86_function *func, void (* addr)() ) { struct x86_reg ecx = x86_make_reg( file_REG32, reg_CX ); DUMP_I( "CALL", addr ); x86_mov_reg_imm( func, ecx, (unsigned long) addr ); x86_call( func, ecx ); } static void emit_cmpps( struct x86_function *func, struct x86_reg dst, struct x86_reg src, enum sse_cc cc ) { DUMP_RRI( "CMPPS", dst, src, cc ); sse_cmpps( func, dst, src, cc ); } static void emit_cvttps2dq( struct x86_function *func, struct x86_reg dst, struct x86_reg src ) { DUMP_RR( "CVTTPS2DQ", dst, src ); sse2_cvttps2dq( func, dst, src ); } static void emit_maxps( struct x86_function *func, struct x86_reg dst, struct x86_reg src ) { DUMP_RR( "MAXPS", dst, src ); sse_maxps( func, dst, src ); } static void emit_minps( struct x86_function *func, struct x86_reg dst, struct x86_reg src ) { DUMP_RR( "MINPS", dst, src ); sse_minps( func, dst, src ); } static void emit_mov( struct x86_function *func, struct x86_reg dst, struct x86_reg src ) { DUMP_RR( "MOV", dst, src ); x86_mov( func, dst, src ); } static void emit_movaps( struct x86_function *func, struct x86_reg dst, struct x86_reg src ) { DUMP_RR( "MOVAPS", dst, src ); sse_movaps( func, dst, src ); } static void emit_movss( struct x86_function *func, struct x86_reg dst, struct x86_reg src ) { DUMP_RR( "MOVSS", dst, src ); sse_movss( func, dst, src ); } static void emit_movups( struct x86_function *func, struct x86_reg dst, struct x86_reg src ) { DUMP_RR( "MOVUPS", dst, src ); sse_movups( func, dst, src ); } static void emit_mulps( struct x86_function *func, struct x86_reg dst, struct x86_reg src ) { DUMP_RR( "MULPS", dst, src ); sse_mulps( func, dst, src ); } static void emit_or( struct x86_function *func, struct x86_reg dst, struct x86_reg src ) { DUMP_RR( "OR", dst, src ); x86_or( func, dst, src ); } static void emit_orps( struct x86_function *func, struct x86_reg dst, struct x86_reg src ) { DUMP_RR( "ORPS", dst, src ); sse_orps( func, dst, src ); } static void emit_pmovmskb( struct x86_function *func, struct x86_reg dst, struct x86_reg src ) { DUMP_RR( "PMOVMSKB", dst, src ); sse_pmovmskb( func, dst, src ); } static void emit_pop( struct x86_function *func, struct x86_reg dst ) { DUMP_R( "POP", dst ); x86_pop( func, dst ); } static void emit_push( struct x86_function *func, struct x86_reg dst ) { DUMP_R( "PUSH", dst ); x86_push( func, dst ); } static void emit_rcpps( struct x86_function *func, struct x86_reg dst, struct x86_reg src ) { DUMP_RR( "RCPPS", dst, src ); sse2_rcpps( func, dst, src ); } #ifdef WIN32 static void emit_retw( struct x86_function *func, unsigned size ) { DUMP_I( "RET", size ); x86_retw( func, size ); } #else static void emit_ret( struct x86_function *func ) { DUMP( "RET" ); x86_ret( func ); } #endif static void emit_rsqrtps( struct x86_function *func, struct x86_reg dst, struct x86_reg src ) { DUMP_RR( "RSQRTPS", dst, src ); sse_rsqrtps( func, dst, src ); } static void emit_shufps( struct x86_function *func, struct x86_reg dst, struct x86_reg src, unsigned char shuf ) { DUMP_RRI( "SHUFPS", dst, src, shuf ); sse_shufps( func, dst, src, shuf ); } static void emit_subps( struct x86_function *func, struct x86_reg dst, struct x86_reg src ) { DUMP_RR( "SUBPS", dst, src ); sse_subps( func, dst, src ); } static void emit_xorps( struct x86_function *func, struct x86_reg dst, struct x86_reg src ) { DUMP_RR( "XORPS", dst, src ); sse_xorps( func, dst, src ); } /** * Data fetch helpers. */ static void emit_const( struct x86_function *func, unsigned xmm, unsigned vec, unsigned chan ) { emit_movss( func, make_xmm( xmm ), get_const( vec, chan ) ); emit_shufps( func, make_xmm( xmm ), make_xmm( xmm ), SHUF( 0, 0, 0, 0 ) ); } static void emit_inputf( struct x86_function *func, unsigned xmm, unsigned vec, unsigned chan ) { emit_movups( func, make_xmm( xmm ), get_input( vec, chan ) ); } static void emit_output( struct x86_function *func, unsigned xmm, unsigned vec, unsigned chan ) { emit_movups( func, get_output( vec, chan ), make_xmm( xmm ) ); } static void emit_tempf( struct x86_function *func, unsigned xmm, unsigned vec, unsigned chan ) { emit_movaps( func, make_xmm( xmm ), get_temp( vec, chan ) ); } static void emit_coef( struct x86_function *func, unsigned xmm, unsigned vec, unsigned chan, unsigned member ) { emit_movss( func, make_xmm( xmm ), get_coef( vec, chan, member ) ); emit_shufps( func, make_xmm( xmm ), make_xmm( xmm ), SHUF( 0, 0, 0, 0 ) ); } /** * Data store helpers. */ static void emit_inputs( struct x86_function *func, unsigned xmm, unsigned vec, unsigned chan ) { emit_movups( func, get_input( vec, chan ), make_xmm( xmm ) ); } static void emit_temps( struct x86_function *func, unsigned xmm, unsigned vec, unsigned chan ) { emit_movaps( func, get_temp( vec, chan ), make_xmm( xmm ) ); } static void emit_addrs( struct x86_function *func, unsigned xmm, unsigned vec, unsigned chan ) { emit_temps( func, xmm, vec + TGSI_EXEC_NUM_TEMPS, chan ); } /** * Coefficent fetch helpers. */ static void emit_coef_a0( struct x86_function *func, unsigned xmm, unsigned vec, unsigned chan ) { emit_coef( func, xmm, vec, chan, 0 ); } static void emit_coef_dadx( struct x86_function *func, unsigned xmm, unsigned vec, unsigned chan ) { emit_coef( func, xmm, vec, chan, 1 ); } static void emit_coef_dady( struct x86_function *func, unsigned xmm, unsigned vec, unsigned chan ) { emit_coef( func, xmm, vec, chan, 2 ); } /** * Function call helpers. */ static void emit_push_gp( struct x86_function *func ) { emit_push( func, get_const_base() ); emit_push( func, get_input_base() ); emit_push( func, get_output_base() ); /* It is important on non-win32 platforms that temp base is pushed last. */ emit_push( func, get_temp_base() ); } static void emit_pop_gp( struct x86_function *func ) { /* Restore GP registers in a reverse order. */ emit_pop( func, get_temp_base() ); emit_pop( func, get_output_base() ); emit_pop( func, get_input_base() ); emit_pop( func, get_const_base() ); } static void emit_func_call_dst( struct x86_function *func, unsigned xmm_dst, void (*code)() ) { emit_movaps( func, get_temp( TEMP_R0, 0 ), make_xmm( xmm_dst ) ); emit_push_gp( func ); #ifdef WIN32 emit_push( func, get_temp( TEMP_R0, 0 ) ); #endif emit_call( func, code ); emit_pop_gp( func ); emit_movaps( func, make_xmm( xmm_dst ), get_temp( TEMP_R0, 0 ) ); } static void emit_func_call_dst_src( struct x86_function *func, unsigned xmm_dst, unsigned xmm_src, void (*code)() ) { emit_movaps( func, get_temp( TEMP_R0, 1 ), make_xmm( xmm_src ) ); emit_func_call_dst( func, xmm_dst, code ); } /** * Low-level instruction translators. */ static void emit_abs( struct x86_function *func, unsigned xmm ) { emit_andps( func, make_xmm( xmm ), get_temp( TGSI_EXEC_TEMP_7FFFFFFF_I, TGSI_EXEC_TEMP_7FFFFFFF_C ) ); } static void emit_add( struct x86_function *func, unsigned xmm_dst, unsigned xmm_src ) { emit_addps( func, make_xmm( xmm_dst ), make_xmm( xmm_src ) ); } static void XSTDCALL cos4f( float *store ) { #ifdef WIN32 store[0] = (float) cos( (double) store[0] ); store[1] = (float) cos( (double) store[1] ); store[2] = (float) cos( (double) store[2] ); store[3] = (float) cos( (double) store[3] ); #else const unsigned X = TEMP_R0 * 16; store[X + 0] = cosf( store[X + 0] ); store[X + 1] = cosf( store[X + 1] ); store[X + 2] = cosf( store[X + 2] ); store[X + 3] = cosf( store[X + 3] ); #endif } static void emit_cos( struct x86_function *func, unsigned xmm_dst ) { emit_func_call_dst( func, xmm_dst, cos4f ); } static void XSTDCALL ex24f( float *store ) { #ifdef WIN32 store[0] = (float) pow( 2.0, (double) store[0] ); store[1] = (float) pow( 2.0, (double) store[1] ); store[2] = (float) pow( 2.0, (double) store[2] ); store[3] = (float) pow( 2.0, (double) store[3] ); #else const unsigned X = TEMP_R0 * 16; store[X + 0] = powf( 2.0f, store[X + 0] ); store[X + 1] = powf( 2.0f, store[X + 1] ); store[X + 2] = powf( 2.0f, store[X + 2] ); store[X + 3] = powf( 2.0f, store[X + 3] ); #endif } static void emit_ex2( struct x86_function *func, unsigned xmm_dst ) { emit_func_call_dst( func, xmm_dst, ex24f ); } static void emit_f2it( struct x86_function *func, unsigned xmm ) { emit_cvttps2dq( func, make_xmm( xmm ), make_xmm( xmm ) ); } static void XSTDCALL flr4f( float *store ) { #ifdef WIN32 const unsigned X = 0; #else const unsigned X = TEMP_R0 * 16; #endif store[X + 0] = (float) floor( (double) store[X + 0] ); store[X + 1] = (float) floor( (double) store[X + 1] ); store[X + 2] = (float) floor( (double) store[X + 2] ); store[X + 3] = (float) floor( (double) store[X + 3] ); } static void emit_flr( struct x86_function *func, unsigned xmm_dst ) { emit_func_call_dst( func, xmm_dst, flr4f ); } static void XSTDCALL frc4f( float *store ) { #ifdef WIN32 const unsigned X = 0; #else const unsigned X = TEMP_R0 * 16; #endif store[X + 0] -= (float) floor( (double) store[X + 0] ); store[X + 1] -= (float) floor( (double) store[X + 1] ); store[X + 2] -= (float) floor( (double) store[X + 2] ); store[X + 3] -= (float) floor( (double) store[X + 3] ); } static void emit_frc( struct x86_function *func, unsigned xmm_dst ) { emit_func_call_dst( func, xmm_dst, frc4f ); } static void XSTDCALL lg24f( float *store ) { #ifdef WIN32 const unsigned X = 0; #else const unsigned X = TEMP_R0 * 16; #endif store[X + 0] = LOG2( store[X + 0] ); store[X + 1] = LOG2( store[X + 1] ); store[X + 2] = LOG2( store[X + 2] ); store[X + 3] = LOG2( store[X + 3] ); } static void emit_lg2( struct x86_function *func, unsigned xmm_dst ) { emit_func_call_dst( func, xmm_dst, lg24f ); } static void emit_MOV( struct x86_function *func, unsigned xmm_dst, unsigned xmm_src ) { emit_movups( func, make_xmm( xmm_dst ), make_xmm( xmm_src ) ); } static void emit_mul (struct x86_function *func, unsigned xmm_dst, unsigned xmm_src) { emit_mulps( func, make_xmm( xmm_dst ), make_xmm( xmm_src ) ); } static void emit_neg( struct x86_function *func, unsigned xmm ) { emit_xorps( func, make_xmm( xmm ), get_temp( TGSI_EXEC_TEMP_80000000_I, TGSI_EXEC_TEMP_80000000_C ) ); } static void XSTDCALL pow4f( float *store ) { #ifdef WIN32 store[0] = (float) pow( (double) store[0], (double) store[4] ); store[1] = (float) pow( (double) store[1], (double) store[5] ); store[2] = (float) pow( (double) store[2], (double) store[6] ); store[3] = (float) pow( (double) store[3], (double) store[7] ); #else const unsigned X = TEMP_R0 * 16; store[X + 0] = powf( store[X + 0], store[X + 4] ); store[X + 1] = powf( store[X + 1], store[X + 5] ); store[X + 2] = powf( store[X + 2], store[X + 6] ); store[X + 3] = powf( store[X + 3], store[X + 7] ); #endif } static void emit_pow( struct x86_function *func, unsigned xmm_dst, unsigned xmm_src ) { emit_func_call_dst_src( func, xmm_dst, xmm_src, pow4f ); } static void emit_rcp ( struct x86_function *func, unsigned xmm_dst, unsigned xmm_src ) { emit_rcpps( func, make_xmm( xmm_dst ), make_xmm( xmm_src ) ); } static void emit_rsqrt( struct x86_function *func, unsigned xmm_dst, unsigned xmm_src ) { emit_rsqrtps( func, make_xmm( xmm_dst ), make_xmm( xmm_src ) ); } static void emit_setsign( struct x86_function *func, unsigned xmm ) { emit_orps( func, make_xmm( xmm ), get_temp( TGSI_EXEC_TEMP_80000000_I, TGSI_EXEC_TEMP_80000000_C ) ); } static void XSTDCALL sin4f( float *store ) { #ifdef WIN32 store[0] = (float) sin( (double) store[0] ); store[1] = (float) sin( (double) store[1] ); store[2] = (float) sin( (double) store[2] ); store[3] = (float) sin( (double) store[3] ); #else const unsigned X = TEMP_R0 * 16; store[X + 0] = sinf( store[X + 0] ); store[X + 1] = sinf( store[X + 1] ); store[X + 2] = sinf( store[X + 2] ); store[X + 3] = sinf( store[X + 3] ); #endif } static void emit_sin (struct x86_function *func, unsigned xmm_dst) { emit_func_call_dst( func, xmm_dst, sin4f ); } static void emit_sub( struct x86_function *func, unsigned xmm_dst, unsigned xmm_src ) { emit_subps( func, make_xmm( xmm_dst ), make_xmm( xmm_src ) ); } /** * Register fetch. */ static void emit_fetch( struct x86_function *func, unsigned xmm, const struct tgsi_full_src_register *reg, const unsigned chan_index ) { unsigned swizzle = tgsi_util_get_full_src_register_extswizzle( reg, chan_index ); switch( swizzle ) { case TGSI_EXTSWIZZLE_X: case TGSI_EXTSWIZZLE_Y: case TGSI_EXTSWIZZLE_Z: case TGSI_EXTSWIZZLE_W: switch( reg->SrcRegister.File ) { case TGSI_FILE_CONSTANT: emit_const( func, xmm, reg->SrcRegister.Index, swizzle ); break; case TGSI_FILE_INPUT: emit_inputf( func, xmm, reg->SrcRegister.Index, swizzle ); break; case TGSI_FILE_TEMPORARY: emit_tempf( func, xmm, reg->SrcRegister.Index, swizzle ); break; default: assert( 0 ); } break; case TGSI_EXTSWIZZLE_ZERO: emit_tempf( func, xmm, TGSI_EXEC_TEMP_00000000_I, TGSI_EXEC_TEMP_00000000_C ); break; case TGSI_EXTSWIZZLE_ONE: emit_tempf( func, xmm, TGSI_EXEC_TEMP_ONE_I, TGSI_EXEC_TEMP_ONE_C ); break; default: assert( 0 ); } switch( tgsi_util_get_full_src_register_sign_mode( reg, chan_index ) ) { case TGSI_UTIL_SIGN_CLEAR: emit_abs( func, xmm ); break; case TGSI_UTIL_SIGN_SET: emit_setsign( func, xmm ); break; case TGSI_UTIL_SIGN_TOGGLE: emit_neg( func, xmm ); break; case TGSI_UTIL_SIGN_KEEP: break; } } #define FETCH( FUNC, INST, XMM, INDEX, CHAN )\ emit_fetch( FUNC, XMM, &(INST).FullSrcRegisters[INDEX], CHAN ) /** * Register store. */ static void emit_store( struct x86_function *func, unsigned xmm, const struct tgsi_full_dst_register *reg, const struct tgsi_full_instruction *inst, unsigned chan_index ) { switch( reg->DstRegister.File ) { case TGSI_FILE_OUTPUT: emit_output( func, xmm, reg->DstRegister.Index, chan_index ); break; case TGSI_FILE_TEMPORARY: emit_temps( func, xmm, reg->DstRegister.Index, chan_index ); break; case TGSI_FILE_ADDRESS: emit_addrs( func, xmm, reg->DstRegister.Index, chan_index ); break; default: assert( 0 ); } switch( inst->Instruction.Saturate ) { case TGSI_SAT_NONE: break; case TGSI_SAT_ZERO_ONE: // assert( 0 ); break; case TGSI_SAT_MINUS_PLUS_ONE: assert( 0 ); break; } } #define STORE( FUNC, INST, XMM, INDEX, CHAN )\ emit_store( FUNC, XMM, &(INST).FullDstRegisters[INDEX], &(INST), CHAN ) /** * High-level instruction translators. */ static void emit_kil( struct x86_function *func, const struct tgsi_full_src_register *reg ) { unsigned uniquemask; unsigned registers[4]; unsigned nextregister = 0; unsigned firstchan = ~0; unsigned chan_index; /* This mask stores component bits that were already tested. Note that * we test if the value is less than zero, so 1.0 and 0.0 need not to be * tested. */ uniquemask = (1 << TGSI_EXTSWIZZLE_ZERO) | (1 << TGSI_EXTSWIZZLE_ONE); FOR_EACH_CHANNEL( chan_index ) { unsigned swizzle; /* unswizzle channel */ swizzle = tgsi_util_get_full_src_register_extswizzle( reg, chan_index ); /* check if the component has not been already tested */ if( !(uniquemask & (1 << swizzle)) ) { uniquemask |= 1 << swizzle; /* allocate register */ registers[chan_index] = nextregister; emit_fetch( func, nextregister, reg, chan_index ); nextregister++; /* mark the first channel used */ if( firstchan == ~0 ) { firstchan = chan_index; } } } emit_push( func, x86_make_reg( file_REG32, reg_AX ) ); emit_push( func, x86_make_reg( file_REG32, reg_DX ) ); FOR_EACH_CHANNEL( chan_index ) { if( uniquemask & (1 << chan_index) ) { emit_cmpps( func, make_xmm( registers[chan_index] ), get_temp( TGSI_EXEC_TEMP_00000000_I, TGSI_EXEC_TEMP_00000000_C ), cc_LessThan ); if( chan_index == firstchan ) { emit_pmovmskb( func, x86_make_reg( file_REG32, reg_AX ), make_xmm( registers[chan_index] ) ); } else { emit_pmovmskb( func, x86_make_reg( file_REG32, reg_DX ), make_xmm( registers[chan_index] ) ); emit_or( func, x86_make_reg( file_REG32, reg_AX ), x86_make_reg( file_REG32, reg_DX ) ); } } } emit_or( func, get_temp( TGSI_EXEC_TEMP_KILMASK_I, TGSI_EXEC_TEMP_KILMASK_C ), x86_make_reg( file_REG32, reg_AX ) ); emit_pop( func, x86_make_reg( file_REG32, reg_DX ) ); emit_pop( func, x86_make_reg( file_REG32, reg_AX ) ); } static void emit_setcc( struct x86_function *func, struct tgsi_full_instruction *inst, enum sse_cc cc ) { unsigned chan_index; FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) { FETCH( func, *inst, 0, 0, chan_index ); FETCH( func, *inst, 1, 1, chan_index ); emit_cmpps( func, make_xmm( 0 ), make_xmm( 1 ), cc ); emit_andps( func, make_xmm( 0 ), get_temp( TGSI_EXEC_TEMP_ONE_I, TGSI_EXEC_TEMP_ONE_C ) ); STORE( func, *inst, 0, 0, chan_index ); } } static void emit_cmp( struct x86_function *func, struct tgsi_full_instruction *inst ) { unsigned chan_index; FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) { FETCH( func, *inst, 0, 0, chan_index ); FETCH( func, *inst, 1, 1, chan_index ); FETCH( func, *inst, 2, 2, chan_index ); emit_cmpps( func, make_xmm( 0 ), get_temp( TGSI_EXEC_TEMP_00000000_I, TGSI_EXEC_TEMP_00000000_C ), cc_LessThan ); emit_andps( func, make_xmm( 1 ), make_xmm( 0 ) ); emit_andnps( func, make_xmm( 0 ), make_xmm( 2 ) ); emit_orps( func, make_xmm( 0 ), make_xmm( 1 ) ); STORE( func, *inst, 0, 0, chan_index ); } } static int emit_instruction( struct x86_function *func, struct tgsi_full_instruction *inst ) { unsigned chan_index; switch( inst->Instruction.Opcode ) { case TGSI_OPCODE_ARL: FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) { FETCH( func, *inst, 0, 0, chan_index ); emit_f2it( func, 0 ); STORE( func, *inst, 0, 0, chan_index ); } break; case TGSI_OPCODE_MOV: /* TGSI_OPCODE_SWZ */ FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) { FETCH( func, *inst, 0, 0, chan_index ); STORE( func, *inst, 0, 0, chan_index ); } break; case TGSI_OPCODE_LIT: if( IS_DST0_CHANNEL_ENABLED( *inst, CHAN_X ) || IS_DST0_CHANNEL_ENABLED( *inst, CHAN_W ) ) { emit_tempf( func, 0, TGSI_EXEC_TEMP_ONE_I, TGSI_EXEC_TEMP_ONE_C); if( IS_DST0_CHANNEL_ENABLED( *inst, CHAN_X ) ) { STORE( func, *inst, 0, 0, CHAN_X ); } if( IS_DST0_CHANNEL_ENABLED( *inst, CHAN_W ) ) { STORE( func, *inst, 0, 0, CHAN_W ); } } if( IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Y ) || IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Z ) ) { if( IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Y ) ) { FETCH( func, *inst, 0, 0, CHAN_X ); emit_maxps( func, make_xmm( 0 ), get_temp( TGSI_EXEC_TEMP_00000000_I, TGSI_EXEC_TEMP_00000000_C ) ); STORE( func, *inst, 0, 0, CHAN_Y ); } if( IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Z ) ) { FETCH( func, *inst, 1, 0, CHAN_Y ); emit_maxps( func, make_xmm( 1 ), get_temp( TGSI_EXEC_TEMP_00000000_I, TGSI_EXEC_TEMP_00000000_C ) ); FETCH( func, *inst, 2, 0, CHAN_W ); emit_minps( func, make_xmm( 2 ), get_temp( TGSI_EXEC_TEMP_128_I, TGSI_EXEC_TEMP_128_C ) ); emit_maxps( func, make_xmm( 2 ), get_temp( TGSI_EXEC_TEMP_MINUS_128_I, TGSI_EXEC_TEMP_MINUS_128_C ) ); emit_pow( func, 1, 2 ); FETCH( func, *inst, 0, 0, CHAN_X ); emit_xorps( func, make_xmm( 2 ), make_xmm( 2 ) ); emit_cmpps( func, make_xmm( 2 ), make_xmm( 0 ), cc_LessThanEqual ); emit_andps( func, make_xmm( 2 ), make_xmm( 1 ) ); STORE( func, *inst, 2, 0, CHAN_Z ); } } break; case TGSI_OPCODE_RCP: /* TGSI_OPCODE_RECIP */ FETCH( func, *inst, 0, 0, CHAN_X ); emit_rcp( func, 0, 0 ); FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) { STORE( func, *inst, 0, 0, chan_index ); } break; case TGSI_OPCODE_RSQ: /* TGSI_OPCODE_RECIPSQRT */ FETCH( func, *inst, 0, 0, CHAN_X ); emit_rsqrt( func, 0, 0 ); FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) { STORE( func, *inst, 0, 0, chan_index ); } break; case TGSI_OPCODE_EXP: return 0; break; case TGSI_OPCODE_LOG: return 0; break; case TGSI_OPCODE_MUL: FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) { FETCH( func, *inst, 0, 0, chan_index ); FETCH( func, *inst, 1, 1, chan_index ); emit_mul( func, 0, 1 ); STORE( func, *inst, 0, 0, chan_index ); } break; case TGSI_OPCODE_ADD: FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) { FETCH( func, *inst, 0, 0, chan_index ); FETCH( func, *inst, 1, 1, chan_index ); emit_add( func, 0, 1 ); STORE( func, *inst, 0, 0, chan_index ); } break; case TGSI_OPCODE_DP3: /* TGSI_OPCODE_DOT3 */ FETCH( func, *inst, 0, 0, CHAN_X ); FETCH( func, *inst, 1, 1, CHAN_X ); emit_mul( func, 0, 1 ); FETCH( func, *inst, 1, 0, CHAN_Y ); FETCH( func, *inst, 2, 1, CHAN_Y ); emit_mul( func, 1, 2 ); emit_add( func, 0, 1 ); FETCH( func, *inst, 1, 0, CHAN_Z ); FETCH( func, *inst, 2, 1, CHAN_Z ); emit_mul( func, 1, 2 ); emit_add( func, 0, 1 ); FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) { STORE( func, *inst, 0, 0, chan_index ); } break; case TGSI_OPCODE_DP4: /* TGSI_OPCODE_DOT4 */ FETCH( func, *inst, 0, 0, CHAN_X ); FETCH( func, *inst, 1, 1, CHAN_X ); emit_mul( func, 0, 1 ); FETCH( func, *inst, 1, 0, CHAN_Y ); FETCH( func, *inst, 2, 1, CHAN_Y ); emit_mul( func, 1, 2 ); emit_add( func, 0, 1 ); FETCH( func, *inst, 1, 0, CHAN_Z ); FETCH( func, *inst, 2, 1, CHAN_Z ); emit_mul(func, 1, 2 ); emit_add(func, 0, 1 ); FETCH( func, *inst, 1, 0, CHAN_W ); FETCH( func, *inst, 2, 1, CHAN_W ); emit_mul( func, 1, 2 ); emit_add( func, 0, 1 ); FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) { STORE( func, *inst, 0, 0, chan_index ); } break; case TGSI_OPCODE_DST: IF_IS_DST0_CHANNEL_ENABLED( *inst, CHAN_X ) { emit_tempf( func, 0, TGSI_EXEC_TEMP_ONE_I, TGSI_EXEC_TEMP_ONE_C ); STORE( func, *inst, 0, 0, CHAN_X ); } IF_IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Y ) { FETCH( func, *inst, 0, 0, CHAN_Y ); FETCH( func, *inst, 1, 1, CHAN_Y ); emit_mul( func, 0, 1 ); STORE( func, *inst, 0, 0, CHAN_Y ); } IF_IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Z ) { FETCH( func, *inst, 0, 0, CHAN_Z ); STORE( func, *inst, 0, 0, CHAN_Z ); } IF_IS_DST0_CHANNEL_ENABLED( *inst, CHAN_W ) { FETCH( func, *inst, 0, 1, CHAN_W ); STORE( func, *inst, 0, 0, CHAN_W ); } break; case TGSI_OPCODE_MIN: FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) { FETCH( func, *inst, 0, 0, chan_index ); FETCH( func, *inst, 1, 1, chan_index ); emit_minps( func, make_xmm( 0 ), make_xmm( 1 ) ); STORE( func, *inst, 0, 0, chan_index ); } break; case TGSI_OPCODE_MAX: FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) { FETCH( func, *inst, 0, 0, chan_index ); FETCH( func, *inst, 1, 1, chan_index ); emit_maxps( func, make_xmm( 0 ), make_xmm( 1 ) ); STORE( func, *inst, 0, 0, chan_index ); } break; case TGSI_OPCODE_SLT: /* TGSI_OPCODE_SETLT */ emit_setcc( func, inst, cc_LessThan ); break; case TGSI_OPCODE_SGE: /* TGSI_OPCODE_SETGE */ emit_setcc( func, inst, cc_NotLessThan ); break; case TGSI_OPCODE_MAD: /* TGSI_OPCODE_MADD */ FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) { FETCH( func, *inst, 0, 0, chan_index ); FETCH( func, *inst, 1, 1, chan_index ); FETCH( func, *inst, 2, 2, chan_index ); emit_mul( func, 0, 1 ); emit_add( func, 0, 2 ); STORE( func, *inst, 0, 0, chan_index ); } break; case TGSI_OPCODE_SUB: FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) { FETCH( func, *inst, 0, 0, chan_index ); FETCH( func, *inst, 1, 1, chan_index ); emit_sub( func, 0, 1 ); STORE( func, *inst, 0, 0, chan_index ); } break; case TGSI_OPCODE_LERP: /* TGSI_OPCODE_LRP */ FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) { FETCH( func, *inst, 0, 0, chan_index ); FETCH( func, *inst, 1, 1, chan_index ); FETCH( func, *inst, 2, 2, chan_index ); emit_sub( func, 1, 2 ); emit_mul( func, 0, 1 ); emit_add( func, 0, 2 ); STORE( func, *inst, 0, 0, chan_index ); } break; case TGSI_OPCODE_CND: return 0; break; case TGSI_OPCODE_CND0: return 0; break; case TGSI_OPCODE_DOT2ADD: /* TGSI_OPCODE_DP2A */ return 0; break; case TGSI_OPCODE_INDEX: return 0; break; case TGSI_OPCODE_NEGATE: return 0; break; case TGSI_OPCODE_FRAC: /* TGSI_OPCODE_FRC */ FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) { FETCH( func, *inst, 0, 0, chan_index ); emit_frc( func, 0 ); STORE( func, *inst, 0, 0, chan_index ); } break; case TGSI_OPCODE_CLAMP: return 0; break; case TGSI_OPCODE_FLOOR: /* TGSI_OPCODE_FLR */ FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) { FETCH( func, *inst, 0, 0, chan_index ); emit_flr( func, 0 ); STORE( func, *inst, 0, 0, chan_index ); } break; case TGSI_OPCODE_ROUND: return 0; break; case TGSI_OPCODE_EXPBASE2: /* TGSI_OPCODE_EX2 */ FETCH( func, *inst, 0, 0, CHAN_X ); emit_ex2( func, 0 ); FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) { STORE( func, *inst, 0, 0, chan_index ); } break; case TGSI_OPCODE_LOGBASE2: /* TGSI_OPCODE_LG2 */ FETCH( func, *inst, 0, 0, CHAN_X ); emit_lg2( func, 0 ); FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) { STORE( func, *inst, 0, 0, chan_index ); } break; case TGSI_OPCODE_POWER: /* TGSI_OPCODE_POW */ FETCH( func, *inst, 0, 0, CHAN_X ); FETCH( func, *inst, 1, 1, CHAN_X ); emit_pow( func, 0, 1 ); FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) { STORE( func, *inst, 0, 0, chan_index ); } break; case TGSI_OPCODE_CROSSPRODUCT: /* TGSI_OPCODE_XPD */ if( IS_DST0_CHANNEL_ENABLED( *inst, CHAN_X ) || IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Y ) ) { FETCH( func, *inst, 1, 1, CHAN_Z ); FETCH( func, *inst, 3, 0, CHAN_Z ); } if( IS_DST0_CHANNEL_ENABLED( *inst, CHAN_X ) || IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Z ) ) { FETCH( func, *inst, 0, 0, CHAN_Y ); FETCH( func, *inst, 4, 1, CHAN_Y ); } IF_IS_DST0_CHANNEL_ENABLED( *inst, CHAN_X ) { emit_MOV( func, 2, 0 ); emit_mul( func, 2, 1 ); emit_MOV( func, 5, 3 ); emit_mul( func, 5, 4 ); emit_sub( func, 2, 5 ); STORE( func, *inst, 2, 0, CHAN_X ); } if( IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Y ) || IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Z ) ) { FETCH( func, *inst, 2, 1, CHAN_X ); FETCH( func, *inst, 5, 0, CHAN_X ); } IF_IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Y ) { emit_mul( func, 3, 2 ); emit_mul( func, 1, 5 ); emit_sub( func, 3, 1 ); STORE( func, *inst, 3, 0, CHAN_Y ); } IF_IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Z ) { emit_mul( func, 5, 4 ); emit_mul( func, 0, 2 ); emit_sub( func, 5, 0 ); STORE( func, *inst, 5, 0, CHAN_Z ); } IF_IS_DST0_CHANNEL_ENABLED( *inst, CHAN_W ) { FETCH( func, *inst, 0, TGSI_EXEC_TEMP_ONE_I, TGSI_EXEC_TEMP_ONE_C ); STORE( func, *inst, 0, 0, CHAN_W ); } break; case TGSI_OPCODE_MULTIPLYMATRIX: return 0; break; case TGSI_OPCODE_ABS: FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) { FETCH( func, *inst, 0, 0, chan_index ); emit_abs( func, 0) ; STORE( func, *inst, 0, 0, chan_index ); } break; case TGSI_OPCODE_RCC: return 0; break; case TGSI_OPCODE_DPH: FETCH( func, *inst, 0, 0, CHAN_X ); FETCH( func, *inst, 1, 1, CHAN_X ); emit_mul( func, 0, 1 ); FETCH( func, *inst, 1, 0, CHAN_Y ); FETCH( func, *inst, 2, 1, CHAN_Y ); emit_mul( func, 1, 2 ); emit_add( func, 0, 1 ); FETCH( func, *inst, 1, 0, CHAN_Z ); FETCH( func, *inst, 2, 1, CHAN_Z ); emit_mul( func, 1, 2 ); emit_add( func, 0, 1 ); FETCH( func, *inst, 1, 1, CHAN_W ); emit_add( func, 0, 1 ); FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) { STORE( func, *inst, 0, 0, chan_index ); } break; case TGSI_OPCODE_COS: FETCH( func, *inst, 0, 0, CHAN_X ); emit_cos( func, 0 ); FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) { STORE( func, *inst, 0, 0, chan_index ); } break; case TGSI_OPCODE_DDX: return 0; break; case TGSI_OPCODE_DDY: return 0; break; case TGSI_OPCODE_KIL: emit_kil( func, &inst->FullSrcRegisters[0] ); break; case TGSI_OPCODE_PK2H: return 0; break; case TGSI_OPCODE_PK2US: return 0; break; case TGSI_OPCODE_PK4B: return 0; break; case TGSI_OPCODE_PK4UB: return 0; break; case TGSI_OPCODE_RFL: return 0; break; case TGSI_OPCODE_SEQ: return 0; break; case TGSI_OPCODE_SFL: return 0; break; case TGSI_OPCODE_SGT: return 0; break; case TGSI_OPCODE_SIN: FETCH( func, *inst, 0, 0, CHAN_X ); emit_sin( func, 0 ); FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) { STORE( func, *inst, 0, 0, chan_index ); } break; case TGSI_OPCODE_SLE: return 0; break; case TGSI_OPCODE_SNE: return 0; break; case TGSI_OPCODE_STR: return 0; break; case TGSI_OPCODE_TEX: emit_tempf( func, 0, TGSI_EXEC_TEMP_ONE_I, TGSI_EXEC_TEMP_ONE_C ); FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) { STORE( func, *inst, 0, 0, chan_index ); } break; case TGSI_OPCODE_TXD: return 0; break; case TGSI_OPCODE_UP2H: return 0; break; case TGSI_OPCODE_UP2US: return 0; break; case TGSI_OPCODE_UP4B: return 0; break; case TGSI_OPCODE_UP4UB: return 0; break; case TGSI_OPCODE_X2D: return 0; break; case TGSI_OPCODE_ARA: return 0; break; case TGSI_OPCODE_ARR: return 0; break; case TGSI_OPCODE_BRA: return 0; break; case TGSI_OPCODE_CAL: return 0; break; case TGSI_OPCODE_RET: case TGSI_OPCODE_END: #ifdef WIN32 emit_retw( func, 16 ); #else emit_ret( func ); #endif break; case TGSI_OPCODE_SSG: return 0; break; case TGSI_OPCODE_CMP: emit_cmp (func, inst); break; case TGSI_OPCODE_SCS: IF_IS_DST0_CHANNEL_ENABLED( *inst, CHAN_X ) { FETCH( func, *inst, 0, 0, CHAN_X ); emit_cos( func, 0 ); STORE( func, *inst, 0, 0, CHAN_X ); } IF_IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Y ) { FETCH( func, *inst, 0, 0, CHAN_Y ); emit_sin( func, 0 ); STORE( func, *inst, 0, 0, CHAN_Y ); } IF_IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Z ) { FETCH( func, *inst, 0, TGSI_EXEC_TEMP_00000000_I, TGSI_EXEC_TEMP_00000000_C ); STORE( func, *inst, 0, 0, CHAN_Z ); } IF_IS_DST0_CHANNEL_ENABLED( *inst, CHAN_W ) { FETCH( func, *inst, 0, TGSI_EXEC_TEMP_ONE_I, TGSI_EXEC_TEMP_ONE_C ); STORE( func, *inst, 0, 0, CHAN_W ); } break; case TGSI_OPCODE_TXB: return 0; break; case TGSI_OPCODE_NRM: return 0; break; case TGSI_OPCODE_DIV: return 0; break; case TGSI_OPCODE_DP2: return 0; break; case TGSI_OPCODE_TXL: return 0; break; case TGSI_OPCODE_BRK: return 0; break; case TGSI_OPCODE_IF: return 0; break; case TGSI_OPCODE_LOOP: return 0; break; case TGSI_OPCODE_REP: return 0; break; case TGSI_OPCODE_ELSE: return 0; break; case TGSI_OPCODE_ENDIF: return 0; break; case TGSI_OPCODE_ENDLOOP: return 0; break; case TGSI_OPCODE_ENDREP: return 0; break; case TGSI_OPCODE_PUSHA: return 0; break; case TGSI_OPCODE_POPA: return 0; break; case TGSI_OPCODE_CEIL: return 0; break; case TGSI_OPCODE_I2F: return 0; break; case TGSI_OPCODE_NOT: return 0; break; case TGSI_OPCODE_TRUNC: return 0; break; case TGSI_OPCODE_SHL: return 0; break; case TGSI_OPCODE_SHR: return 0; break; case TGSI_OPCODE_AND: return 0; break; case TGSI_OPCODE_OR: return 0; break; case TGSI_OPCODE_MOD: return 0; break; case TGSI_OPCODE_XOR: return 0; break; case TGSI_OPCODE_SAD: return 0; break; case TGSI_OPCODE_TXF: return 0; break; case TGSI_OPCODE_TXQ: return 0; break; case TGSI_OPCODE_CONT: return 0; break; case TGSI_OPCODE_EMIT: return 0; break; case TGSI_OPCODE_ENDPRIM: return 0; break; default: return 0; } return 1; } static void emit_declaration( struct x86_function *func, struct tgsi_full_declaration *decl ) { if( decl->Declaration.File == TGSI_FILE_INPUT ) { unsigned first, last, mask; unsigned i, j; assert( decl->Declaration.Declare == TGSI_DECLARE_RANGE ); first = decl->u.DeclarationRange.First; last = decl->u.DeclarationRange.Last; mask = decl->Declaration.UsageMask; /* Do not touch WPOS.xy */ if( first == 0 ) { mask &= ~TGSI_WRITEMASK_XY; if( mask == TGSI_WRITEMASK_NONE ) { first++; } } for( i = first; i <= last; i++ ) { for( j = 0; j < NUM_CHANNELS; j++ ) { if( mask & (1 << j) ) { switch( decl->Interpolation.Interpolate ) { case TGSI_INTERPOLATE_CONSTANT: emit_coef_a0( func, 0, i, j ); emit_inputs( func, 0, i, j ); break; case TGSI_INTERPOLATE_LINEAR: emit_inputf( func, 0, 0, TGSI_SWIZZLE_X ); emit_coef_dadx( func, 1, i, j ); emit_inputf( func, 2, 0, TGSI_SWIZZLE_Y ); emit_coef_dady( func, 3, i, j ); emit_mul( func, 0, 1 ); /* x * dadx */ emit_coef_a0( func, 4, i, j ); emit_mul( func, 2, 3 ); /* y * dady */ emit_add( func, 0, 4 ); /* x * dadx + a0 */ emit_add( func, 0, 2 ); /* x * dadx + y * dady + a0 */ emit_inputs( func, 0, i, j ); break; case TGSI_INTERPOLATE_PERSPECTIVE: emit_inputf( func, 0, 0, TGSI_SWIZZLE_X ); emit_coef_dadx( func, 1, i, j ); emit_inputf( func, 2, 0, TGSI_SWIZZLE_Y ); emit_coef_dady( func, 3, i, j ); emit_mul( func, 0, 1 ); /* x * dadx */ emit_inputf( func, 4, 0, TGSI_SWIZZLE_W ); emit_coef_a0( func, 5, i, j ); emit_rcp( func, 4, 4 ); /* 1.0 / w */ emit_mul( func, 2, 3 ); /* y * dady */ emit_add( func, 0, 5 ); /* x * dadx + a0 */ emit_add( func, 0, 2 ); /* x * dadx + y * dady + a0 */ emit_mul( func, 0, 4 ); /* (x * dadx + y * dady + a0) / w */ emit_inputs( func, 0, i, j ); break; default: assert( 0 ); break; } } } } } } unsigned tgsi_emit_sse2( struct tgsi_token *tokens, struct x86_function *func ) { struct tgsi_parse_context parse; unsigned ok = 1; DUMP_START(); func->csr = func->store; emit_mov( func, get_input_base(), get_argument( 0 ) ); emit_mov( func, get_output_base(), get_argument( 1 ) ); emit_mov( func, get_const_base(), get_argument( 2 ) ); emit_mov( func, get_temp_base(), get_argument( 3 ) ); tgsi_parse_init( &parse, tokens ); while( !tgsi_parse_end_of_tokens( &parse ) && ok ) { tgsi_parse_token( &parse ); switch( parse.FullToken.Token.Type ) { case TGSI_TOKEN_TYPE_DECLARATION: break; case TGSI_TOKEN_TYPE_INSTRUCTION: ok = emit_instruction( func, &parse.FullToken.FullInstruction ); if (!ok) { debug_printf("failed to translate tgsi opcode %d\n", parse.FullToken.FullInstruction.Instruction.Opcode ); } break; case TGSI_TOKEN_TYPE_IMMEDIATE: /* XXX implement this */ ok = 0; debug_printf("failed to emit immediate value\n"); break; default: assert( 0 ); ok = 0; break; } } tgsi_parse_free( &parse ); DUMP_END(); return ok; } /** * Fragment shaders are responsible for interpolating shader inputs. Because on * x86 we have only 4 GP registers, and here we have 5 shader arguments (input, * output, const, temp and coef), the code is split into two phases -- * DECLARATION and INSTRUCTION phase. * GP register holding the output argument is aliased with the coeff argument, * as outputs are not needed in the DECLARATION phase. */ unsigned tgsi_emit_sse2_fs( struct tgsi_token *tokens, struct x86_function *func ) { struct tgsi_parse_context parse; boolean instruction_phase = FALSE; DUMP_START(); func->csr = func->store; /* DECLARATION phase, do not load output argument. */ emit_mov( func, get_input_base(), get_argument( 0 ) ); emit_mov( func, get_const_base(), get_argument( 2 ) ); emit_mov( func, get_temp_base(), get_argument( 3 ) ); emit_mov( func, get_coef_base(), get_argument( 4 ) ); tgsi_parse_init( &parse, tokens ); while( !tgsi_parse_end_of_tokens( &parse ) ) { tgsi_parse_token( &parse ); switch( parse.FullToken.Token.Type ) { case TGSI_TOKEN_TYPE_DECLARATION: emit_declaration( func, &parse.FullToken.FullDeclaration ); break; case TGSI_TOKEN_TYPE_INSTRUCTION: if( !instruction_phase ) { /* INSTRUCTION phase, overwrite coeff with output. */ instruction_phase = TRUE; emit_mov( func, get_output_base(), get_argument( 1 ) ); } emit_instruction( func, &parse.FullToken.FullInstruction ); break; case TGSI_TOKEN_TYPE_IMMEDIATE: /* XXX implement this */ assert(0); break; default: assert( 0 ); } } tgsi_parse_free( &parse ); DUMP_END(); return 1; } #endif /* i386 */