diff options
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_wm_fp.c')
-rw-r--r-- | src/mesa/drivers/dri/i965/brw_wm_fp.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_wm_fp.c b/src/mesa/drivers/dri/i965/brw_wm_fp.c index fdacad0053..6b3f51dadc 100644 --- a/src/mesa/drivers/dri/i965/brw_wm_fp.c +++ b/src/mesa/drivers/dri/i965/brw_wm_fp.c @@ -111,6 +111,12 @@ static struct prog_src_register src_swizzle1( struct prog_src_register reg, int return src_swizzle(reg, x, x, x, x); } +static struct prog_src_register src_swizzle4( struct prog_src_register reg, uint swizzle ) +{ + reg.Swizzle = swizzle; + return reg; +} + /*********************************************************************** * Dest regs @@ -751,6 +757,19 @@ static void precalc_tex( struct brw_wm_compile *c, src_undef()); } + /* For GL_EXT_texture_swizzle: */ + if (c->key.tex_swizzles[unit] != SWIZZLE_NOOP) { + /* swizzle the result of the TEX instruction */ + struct prog_src_register tmpsrc = src_reg_from_dst(inst->DstReg); + emit_op(c, OPCODE_MOV, + inst->DstReg, + SATURATE_OFF, /* saturate already done above */ + 0, 0, /* tex unit, target N/A */ + src_swizzle4(tmpsrc, c->key.tex_swizzles[unit]), + src_undef(), + src_undef()); + } + if ((inst->TexSrcTarget == TEXTURE_RECT_INDEX) || (inst->TexSrcTarget == TEXTURE_CUBE_INDEX)) release_temp(c, tmpcoord); |