diff options
| -rw-r--r-- | src/mesa/pipe/softpipe/sp_quad_fs.c | 79 |
1 files changed, 44 insertions, 35 deletions
diff --git a/src/mesa/pipe/softpipe/sp_quad_fs.c b/src/mesa/pipe/softpipe/sp_quad_fs.c index 301bd13aa98..d4acf402ce7 100644 --- a/src/mesa/pipe/softpipe/sp_quad_fs.c +++ b/src/mesa/pipe/softpipe/sp_quad_fs.c @@ -39,10 +39,20 @@ #include "sp_quad.h" #include "core/tgsi_core.h" +#if defined __GNUC__ +#define ALIGNED_ATTRIBS 1 +#else +#define ALIGNED_ATTRIBS 0 +#endif + struct exec_machine { const struct setup_coefficient *coef; /**< will point to quad->coef */ - GLfloat attr[FRAG_ATTRIB_MAX][4][QUAD_SIZE]; +#if ALIGNED_ATTRIBS + GLfloat attr[FRAG_ATTRIB_MAX][NUM_CHANNELS][QUAD_SIZE] __attribute__(( aligned( 16 ) )); +#else + GLfloat attr[FRAG_ATTRIB_MAX][NUM_CHANNELS][QUAD_SIZE]; +#endif }; @@ -162,7 +172,7 @@ shade_quad( struct quad_stage *qs, struct quad_header *quad ) for (i = 0; i < NUM_CHANNELS; i++) cinterp(&exec, attr, i); break; - + case INTERP_LINEAR: for (i = 0; i < NUM_CHANNELS; i++) linterp(&exec, attr, i); @@ -180,56 +190,55 @@ shade_quad( struct quad_stage *qs, struct quad_header *quad ) { struct tgsi_exec_machine machine; - struct tgsi_exec_vector inputs[FRAG_ATTRIB_MAX + 1]; struct tgsi_exec_vector outputs[FRAG_ATTRIB_MAX + 1]; - struct tgsi_exec_vector *ainputs; struct tgsi_exec_vector *aoutputs; - GLuint i /*, total*/; + GLuint i; + +#if !ALIGNED_ATTRIBS + struct tgsi_exec_vector inputs[FRAG_ATTRIB_MAX + 1]; + struct tgsi_exec_vector *ainputs; +#endif #ifdef DEBUG memset(&machine, 0, sizeof(machine)); #endif - ainputs = (struct tgsi_exec_vector *) tgsi_align_128bit( inputs ); + /* init machine state */ + tgsi_exec_machine_init( + &machine, + softpipe->fs.tokens ); + + /* Consts does not require 16 byte alignment. */ + machine.Consts = softpipe->fs.constants->constant; + aoutputs = (struct tgsi_exec_vector *) tgsi_align_128bit( outputs ); + machine.Outputs = aoutputs; + + assert( sizeof( struct tgsi_exec_vector ) == sizeof( exec.attr[0] ) ); -#if 0 - for( i = total = 0; i < PIPE_ATTRIB_MAX; i++ ) { - GLuint attr; - - attr = softpipe->fp_attr_to_slot[i]; - if( attr || total == 0) { - assert( total < FRAG_ATTRIB_MAX ); - assert( attr < FRAG_ATTRIB_MAX ); - assert( sizeof( ainputs[0] ) == sizeof( exec.attr[0] ) ); - - memcpy( - &ainputs[total], - exec.attr[attr], - sizeof( ainputs[0] ) ); - total++; - } +#if ALIGNED_ATTRIBS + machine.Inputs = (struct tgsi_exec_vector *) exec.attr; + + for (i = 0; i < softpipe->nr_attrs; i++) { + /* Make sure fp_attr_to_slot[] is an identity transform. */ + assert( softpipe->fp_attr_to_slot[i] == i ); } #else + ainputs = (struct tgsi_exec_vector *) tgsi_align_128bit( inputs ); + machine.Inputs = ainputs; + /* load input registers */ - /* XXX simpler than above, but might not be right... */ for (i = 0; i < softpipe->nr_attrs; i++) { + /* Make sure fp_attr_to_slot[] is an identity transform. */ + assert( softpipe->fp_attr_to_slot[i] == i ); + memcpy( - &ainputs[i], - exec.attr[i], - sizeof( ainputs[0] ) ); + &ainputs[i], + exec.attr[i], + sizeof( ainputs[0] ) ); } #endif - /* init machine state */ - tgsi_exec_machine_init( - &machine, - softpipe->fs.tokens ); - - machine.Inputs = ainputs; - machine.Outputs = aoutputs; - machine.Consts = softpipe->fs.constants->constant; /* XXX alignment? */ - /* run shader */ tgsi_exec_machine_run( &machine ); |