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Merge branch 'master' of git+ssh://agd5f@git.freedesktop.org/git/mesa/mesa

This commit is contained in:
Alex Deucher 2009-10-22 12:29:36 -04:00
parent 5e77b61e39 1f5b568fbe
commit f8bee0e412
1 changed files with 36 additions and 60 deletions
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96
src/gallium/state_trackers/xorg/xorg_composite.c
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@ -68,64 +68,48 @@ pixel_to_float4(Pixel pixel, float *color)
color[3] = ((float)a) / 255.;
}
struct acceleration_info {
int op : 16;
};
static const struct acceleration_info accelerated_ops[] = {
{PictOpClear, },
{PictOpSrc, },
{PictOpDst, },
{PictOpOver, },
{PictOpOverReverse, },
{PictOpIn, },
{PictOpInReverse, },
{PictOpOut, },
{PictOpOutReverse, },
{PictOpAtop, },
{PictOpAtopReverse, },
{PictOpXor, },
{PictOpAdd, },
{PictOpSaturate, },
};
static struct xorg_composite_blend
blend_for_op(int op, PicturePtr pSrcPicture, PicturePtr pMaskPicture,
static boolean
blend_for_op(struct xorg_composite_blend *blend,
int op, PicturePtr pSrcPicture, PicturePtr pMaskPicture,
PicturePtr pDstPicture)
{
const int num_blends =
sizeof(xorg_blends)/sizeof(struct xorg_composite_blend);
int i;
struct xorg_composite_blend blend = xorg_blends[BLEND_OP_OVER];
boolean supported = FALSE;
/* our default in case something goes wrong */
*blend = xorg_blends[BLEND_OP_OVER];
for (i = 0; i < num_blends; ++i) {
if (xorg_blends[i].op == op)
blend = xorg_blends[i];
if (xorg_blends[i].op == op) {
*blend = xorg_blends[i];
supported = TRUE;
}
}
/* If there's no dst alpha channel, adjust the blend op so that we'll treat
* it as always 1.
*/
* it as always 1. */
if (pDstPicture &&
PICT_FORMAT_A(pDstPicture->format) == 0 && blend.alpha_dst) {
if (blend.rgb_src == PIPE_BLENDFACTOR_DST_ALPHA)
blend.rgb_src = PIPE_BLENDFACTOR_ONE;
else if (blend.rgb_src == PIPE_BLENDFACTOR_INV_DST_ALPHA)
blend.rgb_src = PIPE_BLENDFACTOR_ZERO;
PICT_FORMAT_A(pDstPicture->format) == 0 && blend->alpha_dst) {
if (blend->rgb_src == PIPE_BLENDFACTOR_DST_ALPHA)
blend->rgb_src = PIPE_BLENDFACTOR_ONE;
else if (blend->rgb_src == PIPE_BLENDFACTOR_INV_DST_ALPHA)
blend->rgb_src = PIPE_BLENDFACTOR_ZERO;
}
/* If the source alpha is being used, then we should only be in a case where
* the source blend factor is 0, and the source blend value is the mask
* channels multiplied by the source picture's alpha.
*/
* channels multiplied by the source picture's alpha. */
if (pMaskPicture && pMaskPicture->componentAlpha &&
PICT_FORMAT_RGB(pMaskPicture->format) && blend.alpha_src) {
if (blend.rgb_dst == PIPE_BLENDFACTOR_SRC_ALPHA) {
blend.rgb_dst = PIPE_BLENDFACTOR_SRC_COLOR;
} else if (blend.rgb_dst == PIPE_BLENDFACTOR_INV_SRC_ALPHA) {
blend.rgb_dst = PIPE_BLENDFACTOR_INV_SRC_COLOR;
PICT_FORMAT_RGB(pMaskPicture->format) && blend->alpha_src) {
if (blend->rgb_dst == PIPE_BLENDFACTOR_SRC_ALPHA) {
blend->rgb_dst = PIPE_BLENDFACTOR_SRC_COLOR;
} else if (blend->rgb_dst == PIPE_BLENDFACTOR_INV_SRC_ALPHA) {
blend->rgb_dst = PIPE_BLENDFACTOR_INV_SRC_COLOR;
}
}
return blend;
return supported;
}
static INLINE int
@ -191,9 +175,7 @@ boolean xorg_composite_accelerated(int op,
ScreenPtr pScreen = pDstPicture->pDrawable->pScreen;
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
modesettingPtr ms = modesettingPTR(pScrn);
unsigned i;
unsigned accel_ops_count =
sizeof(accelerated_ops)/sizeof(struct acceleration_info);
struct xorg_composite_blend blend;
if (!is_filter_accelerated(pSrcPicture) ||
!is_filter_accelerated(pMaskPicture)) {
@ -205,24 +187,18 @@ boolean xorg_composite_accelerated(int op,
XORG_FALLBACK("Gradients not enabled (haven't been well tested)");
}
for (i = 0; i < accel_ops_count; ++i) {
if (op == accelerated_ops[i].op) {
struct xorg_composite_blend blend = blend_for_op(op,
pSrcPicture,
pMaskPicture,
pDstPicture);
/* Check for component alpha */
if (pMaskPicture && pMaskPicture->componentAlpha &&
PICT_FORMAT_RGB(pMaskPicture->format)) {
if (blend.alpha_src &&
blend.rgb_src != PIPE_BLENDFACTOR_ZERO) {
XORG_FALLBACK("Component alpha not supported with source "
"alpha and source value blending. (op=%d)",
op);
}
if (blend_for_op(&blend, op,
pSrcPicture, pMaskPicture, pDstPicture)) {
/* Check for component alpha */
if (pMaskPicture && pMaskPicture->componentAlpha &&
PICT_FORMAT_RGB(pMaskPicture->format)) {
if (blend.alpha_src && blend.rgb_src != PIPE_BLENDFACTOR_ZERO) {
XORG_FALLBACK("Component alpha not supported with source "
"alpha and source value blending. (op=%d)",
op);
}
return TRUE;
}
return TRUE;
}
XORG_FALLBACK("Unsupported composition operation = %d", op);
}
@ -236,7 +212,7 @@ bind_blend_state(struct exa_context *exa, int op,
struct xorg_composite_blend blend_opt;
struct pipe_blend_state blend;
blend_opt = blend_for_op(op, pSrcPicture, pMaskPicture, pDstPicture);
blend_for_op(&blend_opt, op, pSrcPicture, pMaskPicture, pDstPicture);
memset(&blend, 0, sizeof(struct pipe_blend_state));
blend.blend_enable = 1;