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Add support for RENDER BGRA formats.

This commit is contained in:
Michel Dänzer 2009-08-04 23:23:21 +02:00
parent 0bf7eaf305
commit 842373104d
6 changed files with 84 additions and 11 deletions
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4
composite/compinit.c
View File

@ -238,6 +238,7 @@ static CompAlternateVisual altVisuals[] = {
{ 24, PICT_r8g8b8 },
#endif
{ 32, PICT_a8r8g8b8 },
{ 32, PICT_b8g8r8a8 },
};
static const int NUM_COMP_ALTERNATE_VISUALS = sizeof(altVisuals) /
@ -272,7 +273,8 @@ compAddAlternateVisual(ScreenPtr pScreen, CompScreenPtr cs,
return TRUE;
pPictFormat = PictureMatchFormat (pScreen, alt->depth, alt->format);
if (!pPictFormat)
if (!pPictFormat ||
pPictFormat->direct.red != pScreen->visuals[0].offsetRed)
return FALSE;
vid = xalloc(sizeof(VisualID));

30
exa/exa_render.c
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@ -54,6 +54,12 @@ static void exaCompositeFallbackPictDesc(PicturePtr pict, char *string, int n)
case PICT_x8r8g8b8:
snprintf(format, 20, "XRGB8888");
break;
case PICT_b8g8r8a8:
snprintf(format, 20, "BGRA8888");
break;
case PICT_b8g8r8x8:
snprintf(format, 20, "BGRX8888");
break;
case PICT_r5g6b5:
snprintf(format, 20, "RGB565 ");
break;
@ -158,12 +164,18 @@ exaGetPixelFromRGBA(CARD32 *pixel,
gshift = bbits;
rshift = gshift + gbits;
ashift = rshift + rbits;
} else { /* PICT_TYPE_ABGR */
} else if(PICT_FORMAT_TYPE(format) == PICT_TYPE_ABGR) {
rshift = 0;
gshift = rbits;
bshift = gshift + gbits;
ashift = bshift + bbits;
}
} else if(PICT_FORMAT_TYPE(format) == PICT_TYPE_BGRA) {
bshift = PICT_FORMAT_BPP(format) - bbits;
gshift = bshift - gbits;
rshift = gshift - rbits;
ashift = 0;
} else
return FALSE;
*pixel |= ( blue >> (16 - bbits)) << bshift;
*pixel |= ( red >> (16 - rbits)) << rshift;
@ -197,12 +209,18 @@ exaGetRGBAFromPixel(CARD32 pixel,
gshift = bbits;
rshift = gshift + gbits;
ashift = rshift + rbits;
} else { /* PICT_TYPE_ABGR */
} else if(PICT_FORMAT_TYPE(format) == PICT_TYPE_ABGR) {
rshift = 0;
gshift = rbits;
bshift = gshift + gbits;
ashift = bshift + bbits;
}
} else if(PICT_FORMAT_TYPE(format) == PICT_TYPE_BGRA) {
bshift = PICT_FORMAT_BPP(format) - bbits;
gshift = bshift - gbits;
rshift = gshift - rbits;
ashift = 0;
} else
return FALSE;
*red = ((pixel >> rshift ) & ((1 << rbits) - 1)) << (16 - rbits);
while (rbits < 16) {
@ -874,11 +892,13 @@ exaComposite(CARD8 op,
{
if ((op == PictOpSrc &&
((pSrc->format == pDst->format) ||
(pSrc->format==PICT_b8g8r8a8 && pDst->format==PICT_b8g8r8x8) ||
(pSrc->format==PICT_a8r8g8b8 && pDst->format==PICT_x8r8g8b8) ||
(pSrc->format==PICT_a8b8g8r8 && pDst->format==PICT_x8b8g8r8))) ||
(op == PictOpOver && !pSrc->alphaMap && !pDst->alphaMap &&
pSrc->format == pDst->format &&
(pSrc->format==PICT_x8r8g8b8 || pSrc->format==PICT_x8b8g8r8)))
(pSrc->format==PICT_x8r8g8b8 || pSrc->format==PICT_x8b8g8r8 ||
pSrc->format==PICT_b8g8r8x8)))
{
if (pSrc->pDrawable->width == 1 &&
pSrc->pDrawable->height == 1 &&

2
fb/fbpict.h
View File

@ -95,6 +95,8 @@ fbCanGetSolid(PicturePtr pict)
case PICT_x8r8g8b8:
case PICT_a8b8g8r8:
case PICT_x8b8g8r8:
case PICT_b8g8r8a8:
case PICT_b8g8r8x8:
case PICT_r8g8b8:
case PICT_b8g8r8:
case PICT_r5g6b5:

20
hw/xfree86/xaa/xaaPict.c
View File

@ -75,12 +75,18 @@ XAAGetPixelFromRGBA (
gshift = bbits;
rshift = gshift + gbits;
ashift = rshift + rbits;
} else { /* PICT_TYPE_ABGR */
} else if(PICT_FORMAT_TYPE(format) == PICT_TYPE_ABGR) {
rshift = 0;
gshift = rbits;
bshift = gshift + gbits;
ashift = bshift + bbits;
}
} else if(PICT_FORMAT_TYPE(format) == PICT_TYPE_BGRA) {
bshift = PICT_FORMAT_BPP(format) - bbits;
gshift = bshift - gbits;
rshift = gshift - rbits;
ashift = 0;
} else
return FALSE;
*pixel |= ( blue >> (16 - bbits)) << bshift;
*pixel |= ( red >> (16 - rbits)) << rshift;
@ -116,12 +122,18 @@ XAAGetRGBAFromPixel(
gshift = bbits;
rshift = gshift + gbits;
ashift = rshift + rbits;
} else { /* PICT_TYPE_ABGR */
} else if(PICT_FORMAT_TYPE(format) == PICT_TYPE_ABGR) {
rshift = 0;
gshift = rbits;
bshift = gshift + gbits;
ashift = bshift + bbits;
}
} else if(PICT_FORMAT_TYPE(format) == PICT_TYPE_BGRA) {
bshift = PICT_FORMAT_BPP(format) - bbits;
gshift = bshift - gbits;
rshift = gshift - rbits;
ashift = 0;
} else
return FALSE;
*red = ((pixel >> rshift ) & ((1 << rbits) - 1)) << (16 - rbits);
while(rbits < 16) {

36
render/picture.c
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@ -200,6 +200,12 @@ PictureCreateDefaultFormats (ScreenPtr pScreen, int *nformatp)
formats[nformats].format = PICT_x8r8g8b8;
formats[nformats].depth = 32;
nformats++;
formats[nformats].format = PICT_b8g8r8a8;
formats[nformats].depth = 32;
nformats++;
formats[nformats].format = PICT_b8g8r8x8;
formats[nformats].depth = 32;
nformats++;
/* now look through the depths and visuals adding other formats */
for (v = 0; v < pScreen->numVisuals; v++)
@ -233,6 +239,12 @@ PictureCreateDefaultFormats (ScreenPtr pScreen, int *nformatp)
{
type = PICT_TYPE_ABGR;
}
else if (pVisual->offsetRed == pVisual->offsetGreen - r &&
pVisual->offsetGreen == pVisual->offsetBlue - g &&
pVisual->offsetBlue == bpp - b)
{
type = PICT_TYPE_BGRA;
}
if (type != PICT_TYPE_OTHER)
{
format = PICT_FORMAT(bpp, type, 0, r, g, b);
@ -310,6 +322,8 @@ PictureCreateDefaultFormats (ScreenPtr pScreen, int *nformatp)
PICT_x8r8g8b8, pDepth->depth);
nformats = addFormat (formats, nformats,
PICT_x8b8g8r8, pDepth->depth);
nformats = addFormat (formats, nformats,
PICT_b8g8r8x8, pDepth->depth);
}
break;
}
@ -366,6 +380,24 @@ PictureCreateDefaultFormats (ScreenPtr pScreen, int *nformatp)
pFormats[f].direct.red = 0;
break;
case PICT_TYPE_BGRA:
pFormats[f].type = PictTypeDirect;
pFormats[f].direct.blueMask = Mask(PICT_FORMAT_B(format));
pFormats[f].direct.blue = (PICT_FORMAT_BPP(format) - PICT_FORMAT_B(format));
pFormats[f].direct.greenMask = Mask(PICT_FORMAT_G(format));
pFormats[f].direct.green = (PICT_FORMAT_BPP(format) - PICT_FORMAT_B(format) -
PICT_FORMAT_G(format));
pFormats[f].direct.redMask = Mask(PICT_FORMAT_R(format));
pFormats[f].direct.red = (PICT_FORMAT_BPP(format) - PICT_FORMAT_B(format) -
PICT_FORMAT_G(format) - PICT_FORMAT_R(format));
pFormats[f].direct.alphaMask = Mask(PICT_FORMAT_A(format));
pFormats[f].direct.alpha = 0;
break;
case PICT_TYPE_A:
pFormats[f].type = PictTypeDirect;
@ -622,8 +654,10 @@ PictureInit (ScreenPtr pScreen, PictFormatPtr formats, int nformats)
type = PICT_TYPE_A;
else if (formats[n].direct.red > formats[n].direct.blue)
type = PICT_TYPE_ARGB;
else
else if (formats[n].direct.red == 0)
type = PICT_TYPE_ABGR;
else
type = PICT_TYPE_BGRA;
a = Ones (formats[n].direct.alphaMask);
r = Ones (formats[n].direct.redMask);
g = Ones (formats[n].direct.greenMask);

3
render/picture.h
View File

@ -62,6 +62,7 @@ typedef struct _Picture *PicturePtr;
#define PICT_TYPE_ABGR PIXMAN_TYPE_ABGR
#define PICT_TYPE_COLOR PIXMAN_TYPE_COLOR
#define PICT_TYPE_GRAY PIXMAN_TYPE_GRAY
#define PICT_TYPE_BGRA PIXMAN_TYPE_BGRA
#define PICT_FORMAT_COLOR(f) PIXMAN_FORMAT_COLOR(f)
@ -71,6 +72,8 @@ typedef enum _PictFormatShort {
PICT_x8r8g8b8 = PIXMAN_x8r8g8b8,
PICT_a8b8g8r8 = PIXMAN_a8b8g8r8,
PICT_x8b8g8r8 = PIXMAN_x8b8g8r8,
PICT_b8g8r8a8 = PIXMAN_b8g8r8a8,
PICT_b8g8r8x8 = PIXMAN_b8g8r8x8,
/* 24bpp formats */
PICT_r8g8b8 = PIXMAN_r8g8b8,