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#include "xorg_composite.h"
struct xorg_composite_blend {
int op:8;
unsigned rgb_src_factor:5; /**< PIPE_BLENDFACTOR_x */
unsigned rgb_dst_factor:5; /**< PIPE_BLENDFACTOR_x */
unsigned alpha_src_factor:5; /**< PIPE_BLENDFACTOR_x */
unsigned alpha_dst_factor:5; /**< PIPE_BLENDFACTOR_x */
};
static const struct xorg_composite_blend xorg_blends[] = {
{ PictOpClear,
PIPE_BLENDFACTOR_CONST_COLOR, PIPE_BLENDFACTOR_CONST_ALPHA,
PIPE_BLENDFACTOR_ZERO, PIPE_BLENDFACTOR_ZERO },
{ PictOpSrc,
PIPE_BLENDFACTOR_ONE, PIPE_BLENDFACTOR_ONE,
PIPE_BLENDFACTOR_ZERO, PIPE_BLENDFACTOR_ZERO },
{ PictOpDst,
PIPE_BLENDFACTOR_ZERO, PIPE_BLENDFACTOR_ZERO,
PIPE_BLENDFACTOR_ONE, PIPE_BLENDFACTOR_ONE },
{ PictOpOver,
PIPE_BLENDFACTOR_SRC_ALPHA, PIPE_BLENDFACTOR_ONE,
PIPE_BLENDFACTOR_INV_SRC_ALPHA, PIPE_BLENDFACTOR_INV_SRC_ALPHA },
{ PictOpOverReverse,
PIPE_BLENDFACTOR_SRC_ALPHA, PIPE_BLENDFACTOR_ONE,
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;
}
boolean xorg_composite_bind_state(struct exa_context *exa,
int op,
PicturePtr pSrcPicture,
PicturePtr pMaskPicture,
PicturePtr pDstPicture)
{
return FALSE;
}
void xorg_composite(struct exa_context *exa,
struct exa_pixmap_priv *dst,
int srcX, int srcY, int maskX, int maskY,
int dstX, int dstY, int width, int height)
{
}
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