diff options
Diffstat (limited to 'src/gallium/state_trackers/xorg/xorg_composite.c')
| -rw-r--r-- | src/gallium/state_trackers/xorg/xorg_composite.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/xorg/xorg_composite.c b/src/gallium/state_trackers/xorg/xorg_composite.c index 05143ad11a..bf9c82a707 100644 --- a/src/gallium/state_trackers/xorg/xorg_composite.c +++ b/src/gallium/state_trackers/xorg/xorg_composite.c @@ -32,11 +32,68 @@ static const struct xorg_composite_blend xorg_blends[] = { PIPE_BLENDFACTOR_INV_SRC_ALPHA, PIPE_BLENDFACTOR_INV_SRC_ALPHA }, }; +struct acceleration_info { + int op : 16; + int with_mask : 1; + int component_alpha : 1; +}; +static const struct acceleration_info accelerated_ops[] = { + {PictOpClear, 1, 0}, + {PictOpSrc, 1, 0}, + {PictOpDst, 1, 0}, + {PictOpOver, 1, 0}, + {PictOpOverReverse, 1, 0}, + {PictOpIn, 1, 0}, + {PictOpInReverse, 1, 0}, + {PictOpOut, 1, 0}, + {PictOpOutReverse, 1, 0}, + {PictOpAtop, 1, 0}, + {PictOpAtopReverse, 1, 0}, + {PictOpXor, 1, 0}, + {PictOpAdd, 1, 0}, + {PictOpSaturate, 1, 0}, +}; + +static void +draw_texture(struct exa_context *exa) +{ +#if 0 + if (buf) { + util_draw_vertex_buffer(pipe, buf, 0, + PIPE_PRIM_TRIANGLE_FAN, + 4, /* verts */ + 2); /* attribs/vert */ + + pipe_buffer_reference(&buf, NULL); + } +#endif +} + boolean xorg_composite_accelerated(int op, PicturePtr pSrcPicture, PicturePtr pMaskPicture, PicturePtr pDstPicture) { + unsigned i; + unsigned accel_ops_count = + sizeof(accelerated_ops)/sizeof(struct acceleration_info); + + if (pSrcPicture) { + /* component alpha not supported */ + if (pSrcPicture->componentAlpha) + return FALSE; + /* fills not supported */ + if (pSrcPicture->pSourcePict) + return FALSE; + } + + for (i = 0; i < accel_ops_count; ++i) { + if (op == accelerated_ops[i].op) { + if (pMaskPicture && !accelerated_ops[i].with_mask) + return FALSE; + return TRUE; + } + } return FALSE; } |