diff options
| author | Keith Whitwell <keithw@vmware.com> | 2009-10-23 17:01:32 +0100 |
|---|---|---|
| committer | Keith Whitwell <keithw@vmware.com> | 2009-10-23 17:03:45 +0100 |
| commit | 57a920cb1a0b6051068e730747b3fb475de88aca (patch) | |
| tree | 805821e52d27d0803ac0cd44c384a4d9a36aa5a8 /src/gallium/drivers/i965/brw_pipe_blend.c | |
| parent | 2f5f7c07732577f60666e3cee69c75c9b035c145 (diff) | |
i965g: wip
Diffstat (limited to 'src/gallium/drivers/i965/brw_pipe_blend.c')
| -rw-r--r-- | src/gallium/drivers/i965/brw_pipe_blend.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/gallium/drivers/i965/brw_pipe_blend.c b/src/gallium/drivers/i965/brw_pipe_blend.c new file mode 100644 index 0000000000..b351794dce --- /dev/null +++ b/src/gallium/drivers/i965/brw_pipe_blend.c @@ -0,0 +1,41 @@ + + /* _NEW_COLOR */ + if (key->logic_op != GL_COPY) { + cc.cc2.logicop_enable = 1; + cc.cc5.logicop_func = intel_translate_logic_op(key->logic_op); + } else if (key->color_blend) { + GLenum eqRGB = key->blend_eq_rgb; + GLenum eqA = key->blend_eq_a; + GLenum srcRGB = key->blend_src_rgb; + GLenum dstRGB = key->blend_dst_rgb; + GLenum srcA = key->blend_src_a; + GLenum dstA = key->blend_dst_a; + + if (eqRGB == GL_MIN || eqRGB == GL_MAX) { + srcRGB = dstRGB = GL_ONE; + } + + if (eqA == GL_MIN || eqA == GL_MAX) { + srcA = dstA = GL_ONE; + } + + cc.cc6.dest_blend_factor = brw_translate_blend_factor(dstRGB); + cc.cc6.src_blend_factor = brw_translate_blend_factor(srcRGB); + cc.cc6.blend_function = brw_translate_blend_equation(eqRGB); + + cc.cc5.ia_dest_blend_factor = brw_translate_blend_factor(dstA); + cc.cc5.ia_src_blend_factor = brw_translate_blend_factor(srcA); + cc.cc5.ia_blend_function = brw_translate_blend_equation(eqA); + + cc.cc3.blend_enable = 1; + cc.cc3.ia_blend_enable = (srcA != srcRGB || + dstA != dstRGB || + eqA != eqRGB); + } + + if (key->dither) { + cc.cc5.dither_enable = 1; + cc.cc6.y_dither_offset = 0; + cc.cc6.x_dither_offset = 0; + } + |