diff options
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi_sse2.c | 54 |
1 files changed, 51 insertions, 3 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_sse2.c b/src/gallium/auxiliary/tgsi/tgsi_sse2.c index 086d983a73a..3f2cda860e0 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_sse2.c +++ b/src/gallium/auxiliary/tgsi/tgsi_sse2.c @@ -163,6 +163,14 @@ get_immediate_base( void ) reg_DX ); } +static struct x86_reg +get_system_value_base( void ) +{ + return x86_make_disp( + get_machine_base(), + Offset(struct tgsi_exec_machine, SystemValue) ); +} + /** * Data access helpers. @@ -229,6 +237,16 @@ get_temp( } static struct x86_reg +get_system_value( + unsigned vec, + unsigned chan ) +{ + return x86_make_disp( + get_system_value_base(), /* base */ + (vec * 4 + chan) * 4 ); /* byte offset from base */ +} + +static struct x86_reg get_coef( unsigned vec, unsigned chan, @@ -423,6 +441,30 @@ emit_tempf( } /** + * Copy a system value to xmm register + * \param xmm the destination xmm register + * \param vec the source system value register + * \param chan src channel to fetch (X, Y, Z or W) + */ +static void +emit_system_value( + struct x86_function *func, + unsigned xmm, + unsigned vec, + unsigned chan ) +{ + sse_movss( + func, + make_xmm( xmm ), + get_system_value( vec, chan ) ); + sse_shufps( + func, + make_xmm( xmm ), + make_xmm( xmm ), + SHUF( 0, 0, 0, 0 ) ); +} + +/** * Load an xmm register with an input attrib coefficient (a0, dadx or dady) * \param xmm the destination xmm register * \param vec the src input/attribute coefficient index @@ -1281,8 +1323,15 @@ emit_fetch( swizzle ); break; - case TGSI_FILE_INPUT: case TGSI_FILE_SYSTEM_VALUE: + emit_system_value( + func, + xmm, + reg->Register.Index, + swizzle ); + break; + + case TGSI_FILE_INPUT: emit_inputf( func, xmm, @@ -2636,8 +2685,7 @@ emit_declaration( struct x86_function *func, struct tgsi_full_declaration *decl ) { - if( decl->Declaration.File == TGSI_FILE_INPUT || - decl->Declaration.File == TGSI_FILE_SYSTEM_VALUE ) { + if( decl->Declaration.File == TGSI_FILE_INPUT ) { unsigned first, last, mask; unsigned i, j; |