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| author | Brian Paul <brian.paul@tungstengraphics.com> | 2008-04-11 13:44:47 -0600 |
|---|---|---|
| committer | Brian Paul <brian.paul@tungstengraphics.com> | 2008-04-11 14:19:31 -0600 |
| commit | 097301395d33d57d19bc942f236b4a8c912cc0cc (patch) | |
| tree | 671e01efe590eec53825e713a856b1c8e8e6f4cc /src/gallium | |
| parent | 9e8a85ef670dfb7d356d6066bad4710683a07fd9 (diff) | |
gallium: comments
Diffstat (limited to 'src/gallium')
| -rwxr-xr-x | src/gallium/auxiliary/tgsi/exec/tgsi_sse2.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/tgsi/exec/tgsi_sse2.c b/src/gallium/auxiliary/tgsi/exec/tgsi_sse2.c index 35c63feccc..93813f36cb 100755 --- a/src/gallium/auxiliary/tgsi/exec/tgsi_sse2.c +++ b/src/gallium/auxiliary/tgsi/exec/tgsi_sse2.c @@ -548,6 +548,12 @@ emit_xorps( * Data fetch helpers. */ +/** + * Copy a shader constant to xmm register + * \param xmm the destination xmm register + * \param vec the src const buffer index + * \param chan src channel to fetch (X, Y, Z or W) + */ static void emit_const( struct x86_function *func, @@ -566,6 +572,12 @@ emit_const( SHUF( 0, 0, 0, 0 ) ); } +/** + * Copy a shader input to xmm register + * \param xmm the destination xmm register + * \param vec the src input attrib + * \param chan src channel to fetch (X, Y, Z or W) + */ static void emit_inputf( struct x86_function *func, @@ -579,6 +591,12 @@ emit_inputf( get_input( vec, chan ) ); } +/** + * Store an xmm register to a shader output + * \param xmm the source xmm register + * \param vec the dest output attrib + * \param chan src dest channel to store (X, Y, Z or W) + */ static void emit_output( struct x86_function *func, @@ -592,6 +610,12 @@ emit_output( make_xmm( xmm ) ); } +/** + * Copy a shader temporary to xmm register + * \param xmm the destination xmm register + * \param vec the src temp register + * \param chan src channel to fetch (X, Y, Z or W) + */ static void emit_tempf( struct x86_function *func, @@ -605,6 +629,13 @@ emit_tempf( get_temp( vec, chan ) ); } +/** + * 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 + * \param chan src channel to fetch (X, Y, Z or W) + * \param member 0=a0, 1=dadx, 2=dady + */ static void emit_coef( struct x86_function *func, |