diff options
Diffstat (limited to 'src/gallium/auxiliary/tgsi/tgsi_sse2.c')
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi_sse2.c | 202 |
1 files changed, 183 insertions, 19 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_sse2.c b/src/gallium/auxiliary/tgsi/tgsi_sse2.c index 5928f874a97..e43bee00a98 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_sse2.c +++ b/src/gallium/auxiliary/tgsi/tgsi_sse2.c @@ -101,7 +101,7 @@ get_const_base( void ) { return x86_make_reg( file_REG32, - reg_CX ); + reg_AX ); } static struct x86_reg @@ -109,7 +109,7 @@ get_machine_base( void ) { return x86_make_reg( file_REG32, - reg_AX ); + reg_CX ); } static struct x86_reg @@ -145,6 +145,14 @@ get_coef_base( void ) } static struct x86_reg +get_sampler_base( void ) +{ + return x86_make_reg( + file_REG32, + reg_DI ); +} + +static struct x86_reg get_immediate_base( void ) { return x86_make_reg( @@ -179,6 +187,15 @@ get_const( } static struct x86_reg +get_sampler_ptr( + unsigned unit ) +{ + return x86_make_disp( + get_sampler_base(), + unit * sizeof( struct tgsi_sampler * ) ); +} + +static struct x86_reg get_input( unsigned vec, unsigned chan ) @@ -1222,6 +1239,12 @@ emit_sub( make_xmm( xmm_src ) ); } + + + + + + /** * Register fetch. */ @@ -1380,11 +1403,156 @@ emit_store( #define STORE( FUNC, INST, XMM, INDEX, CHAN )\ emit_store( FUNC, XMM, &(INST).FullDstRegisters[INDEX], &(INST), CHAN ) + +static void PIPE_CDECL +fetch_texel( struct tgsi_sampler **sampler, + float *store ) +{ +#if 0 + uint j; + + debug_printf("%s sampler: %p (%p) store: %p\n", + __FUNCTION__, + sampler, *sampler, + store ); + + debug_printf("lodbias %f\n", store[12]); + + for (j = 0; j < 4; j++) + debug_printf("sample %d texcoord %f %f\n", + j, + store[0+j], + store[4+j]); +#endif + + { + float rgba[NUM_CHANNELS][QUAD_SIZE]; + (*sampler)->get_samples(*sampler, + &store[0], + &store[4], + &store[8], + 0.0f, /*store[12], lodbias */ + rgba); + + memcpy( store, rgba, 16 * sizeof(float)); + } + +#if 0 + for (j = 0; j < 4; j++) + debug_printf("sample %d result %f %f %f %f\n", + j, + store[0+j], + store[4+j], + store[8+j], + store[12+j]); +#endif +} + /** * High-level instruction translators. */ static void +emit_tex( struct x86_function *func, + const struct tgsi_full_instruction *inst, + boolean lodbias, + boolean projected) +{ + const uint unit = inst->FullSrcRegisters[1].SrcRegister.Index; + struct x86_reg args[2]; + unsigned count; + unsigned i; + + switch (inst->InstructionExtTexture.Texture) { + case TGSI_TEXTURE_1D: + case TGSI_TEXTURE_SHADOW1D: + count = 1; + break; + case TGSI_TEXTURE_2D: + case TGSI_TEXTURE_RECT: + case TGSI_TEXTURE_SHADOW2D: + case TGSI_TEXTURE_SHADOWRECT: + count = 2; + break; + case TGSI_TEXTURE_3D: + case TGSI_TEXTURE_CUBE: + count = 3; + break; + default: + assert(0); + return; + } + + if (lodbias) { + FETCH( func, *inst, 3, 0, 3 ); + } + else { + emit_tempf( + func, + 3, + TGSI_EXEC_TEMP_00000000_I, + TGSI_EXEC_TEMP_00000000_C ); + + } + + /* store lodbias whether enabled or not -- fetch_texel currently + * respects it always. + */ + sse_movaps( func, + get_temp( TEMP_R0, 3 ), + make_xmm( 3 ) ); + + + if (projected) { + FETCH( func, *inst, 3, 0, 3 ); + + emit_rcp( func, 3, 3 ); + } + + for (i = 0; i < count; i++) { + FETCH( func, *inst, i, 0, i ); + + if (projected) { + sse_mulps( + func, + make_xmm( i ), + make_xmm( 3 ) ); + } + + /* Store in the argument buffer: + */ + sse_movaps( + func, + get_temp( TEMP_R0, i ), + make_xmm( i ) ); + } + + args[0] = get_temp( TEMP_R0, 0 ); + args[1] = get_sampler_ptr( unit ); + + + emit_func_call( func, + 0, + args, + Elements(args), + fetch_texel ); + + /* If all four channels are enabled, could use a pointer to + * dst[0].x instead of TEMP_R0 for store? + */ + FOR_EACH_DST0_ENABLED_CHANNEL( *inst, i ) { + + sse_movaps( + func, + make_xmm( 0 ), + get_temp( TEMP_R0, i ) ); + + STORE( func, *inst, 0, 0, i ); + } +} + + +static void emit_kil( struct x86_function *func, const struct tgsi_full_src_register *reg ) @@ -2168,21 +2336,7 @@ emit_instruction( break; case TGSI_OPCODE_TEX: - if (0) { - /* Disable dummy texture code: - */ - emit_tempf( - func, - 0, - TEMP_ONE_I, - TEMP_ONE_C ); - FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) { - STORE( func, *inst, 0, 0, chan_index ); - } - } - else { - return 0; - } + emit_tex( func, inst, FALSE, FALSE ); break; case TGSI_OPCODE_TXD: @@ -2280,7 +2434,7 @@ emit_instruction( break; case TGSI_OPCODE_TXB: - return 0; + emit_tex( func, inst, TRUE, FALSE ); break; case TGSI_OPCODE_NRM: @@ -2388,9 +2542,13 @@ emit_instruction( break; case TGSI_OPCODE_TXL: - return 0; + emit_tex( func, inst, TRUE, FALSE ); break; + case TGSI_OPCODE_TXP: + emit_tex( func, inst, FALSE, TRUE ); + break; + case TGSI_OPCODE_BRK: return 0; break; @@ -2758,6 +2916,12 @@ tgsi_emit_sse2( func, get_coef_base(), x86_fn_arg( func, 4 ) ); + + x86_mov( + func, + get_sampler_base(), + x86_make_disp( get_machine_base(), + Offset( struct tgsi_exec_machine, Samplers ) ) ); } |