xserver-multidpi/hw/xgl/xglpixmap.c
Aaron Plattner f2e310132f Add CreatePixmap allocation hints.
These hints allow an acceleration architecture to optimize allocation of certain
types of pixmaps, such as pixmaps that will serve as backing pixmaps for
redirected windows.
2007-11-04 16:11:28 -08:00

743 lines
17 KiB
C

/*
* Copyright © 2004 David Reveman
*
* Permission to use, copy, modify, distribute, and sell this software
* and its documentation for any purpose is hereby granted without
* fee, provided that the above copyright notice appear in all copies
* and that both that copyright notice and this permission notice
* appear in supporting documentation, and that the name of
* David Reveman not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior permission.
* David Reveman makes no representations about the suitability of this
* software for any purpose. It is provided "as is" without express or
* implied warranty.
*
* DAVID REVEMAN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
* NO EVENT SHALL DAVID REVEMAN BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Author: David Reveman <davidr@novell.com>
*/
#include "xgl.h"
#include "fb.h"
static glitz_buffer_hint_t xglPixmapUsageHints[] = {
(glitz_buffer_hint_t) 0, /* reserved for system memory */
GLITZ_BUFFER_HINT_STREAM_DRAW,
GLITZ_BUFFER_HINT_STREAM_READ,
GLITZ_BUFFER_HINT_STREAM_COPY,
GLITZ_BUFFER_HINT_STATIC_DRAW,
GLITZ_BUFFER_HINT_STATIC_READ,
GLITZ_BUFFER_HINT_STATIC_COPY,
GLITZ_BUFFER_HINT_DYNAMIC_DRAW,
GLITZ_BUFFER_HINT_DYNAMIC_READ,
GLITZ_BUFFER_HINT_DYNAMIC_COPY
};
#define NUM_XGL_PIXMAP_USAGE_HINTS \
(sizeof (xglPixmapUsageHints) / sizeof (xglPixmapUsageHints[0]))
#define XGL_PIXMAP_USAGE_HINT(hint) (xglPixmapUsageHints[hint])
static void
xglPixmapDamageReport (DamagePtr pDamage,
RegionPtr pRegion,
void *closure)
{
PixmapPtr pPixmap = (PixmapPtr) closure;
BoxPtr pExt;
XGL_PIXMAP_PRIV (pPixmap);
pExt = REGION_EXTENTS (pPixmap->drawable.pScreen, pRegion);
if (BOX_NOTEMPTY (&pPixmapPriv->damageBox))
{
if (pExt->x1 < pPixmapPriv->damageBox.x1)
pPixmapPriv->damageBox.x1 = pExt->x1;
if (pExt->y1 < pPixmapPriv->damageBox.y1)
pPixmapPriv->damageBox.y1 = pExt->y1;
if (pExt->x2 > pPixmapPriv->damageBox.x2)
pPixmapPriv->damageBox.x2 = pExt->x2;
if (pExt->y2 > pPixmapPriv->damageBox.y2)
pPixmapPriv->damageBox.y2 = pExt->y2;
}
else
pPixmapPriv->damageBox = *pExt;
}
static Bool
xglPixmapCreateDamage (PixmapPtr pPixmap)
{
XGL_PIXMAP_PRIV (pPixmap);
pPixmapPriv->pDamage =
DamageCreate (xglPixmapDamageReport, (DamageDestroyFunc) 0,
DamageReportRawRegion, TRUE,
pPixmap->drawable.pScreen,
(void *) pPixmap);
if (!pPixmapPriv->pDamage)
return FALSE;
DamageRegister (&pPixmap->drawable, pPixmapPriv->pDamage);
return TRUE;
}
void
xglSetPixmapVisual (PixmapPtr pPixmap,
xglVisualPtr pVisual)
{
xglVisualPtr pOldVisual;
XGL_PIXMAP_PRIV (pPixmap);
pOldVisual = pPixmapPriv->pVisual;
if (pOldVisual && pVisual)
{
glitz_surface_t *surface;
if (pOldVisual->vid != pVisual->vid)
{
surface = pPixmapPriv->surface;
if (surface)
{
glitz_drawable_t *drawable;
drawable = glitz_surface_get_attached_drawable (surface);
if (drawable)
{
if (pOldVisual->format.drawable->id !=
pVisual->format.drawable->id)
{
glitz_surface_detach (pPixmapPriv->surface);
pPixmapPriv->target = xglPixmapTargetOut;
}
}
if (pOldVisual->format.surface->id != pVisual->format.surface->id)
{
xglSyncBits (&pPixmap->drawable, NULL);
glitz_surface_destroy (pPixmapPriv->surface);
pPixmapPriv->surface = 0;
}
}
}
}
else if (pOldVisual)
{
if (pPixmapPriv->surface)
{
xglSyncBits (&pPixmap->drawable, NULL);
glitz_surface_destroy (pPixmapPriv->surface);
pPixmapPriv->surface = 0;
}
pPixmapPriv->target = xglPixmapTargetNo;
}
pPixmapPriv->pVisual = pVisual;
if (pPixmapPriv->pVisual && pPixmapPriv->pVisual->format.surface)
{
if (!pPixmapPriv->pDamage)
{
if (!xglPixmapCreateDamage (pPixmap))
FatalError (XGL_SW_FAILURE_STRING);
}
}
}
static Bool
xglPixmapSurfaceInit (PixmapPtr pPixmap,
unsigned long features,
int width,
int height)
{
BoxRec box;
XGL_PIXMAP_PRIV (pPixmap);
pPixmapPriv->surface = NULL;
pPixmapPriv->drawable = NULL;
pPixmapPriv->acceleratedTile = FALSE;
pPixmapPriv->pictureMask = ~0;
pPixmapPriv->target = xglPixmapTargetNo;
box.x1 = 0;
box.y1 = 0;
box.x2 = width;
box.y2 = height;
REGION_INIT (pScreen, &pPixmapPriv->bitRegion, &box, 1);
pPixmapPriv->pVisual = xglFindVisualWithDepth (pPixmap->drawable.pScreen,
pPixmap->drawable.depth);
if (pPixmapPriv->pVisual)
{
XGL_SCREEN_PRIV (pPixmap->drawable.pScreen);
/* general pixmap acceleration */
if (pPixmapPriv->pVisual->format.drawable &&
pScreenPriv->accel.pixmap.enabled &&
xglCheckPixmapSize (pPixmap, &pScreenPriv->accel.pixmap.size))
pPixmapPriv->target = xglPixmapTargetOut;
}
if (pPixmapPriv->pVisual && pPixmapPriv->pVisual->format.surface)
{
if (!pPixmapPriv->pDamage)
{
if (!xglPixmapCreateDamage (pPixmap))
FatalError (XGL_SW_FAILURE_STRING);
}
if (width && height)
{
if (width == 1 && height == 1)
{
pPixmapPriv->acceleratedTile = TRUE;
}
else if (features & GLITZ_FEATURE_TEXTURE_BORDER_CLAMP_MASK)
{
if ((features & GLITZ_FEATURE_TEXTURE_NON_POWER_OF_TWO_MASK) ||
(POWER_OF_TWO (width) && POWER_OF_TWO (height)))
pPixmapPriv->acceleratedTile = TRUE;
}
}
}
return TRUE;
}
PixmapPtr
xglCreatePixmap (ScreenPtr pScreen,
int width,
int height,
int depth,
unsigned usage_hint)
{
xglPixmapPtr pPixmapPriv;
PixmapPtr pPixmap;
XGL_SCREEN_PRIV (pScreen);
pPixmap = AllocatePixmap (pScreen, 0);
if (!pPixmap)
return NullPixmap;
pPixmap->drawable.type = DRAWABLE_PIXMAP;
pPixmap->drawable.class = 0;
pPixmap->drawable.pScreen = pScreen;
pPixmap->drawable.depth = depth;
pPixmap->drawable.bitsPerPixel = BitsPerPixel (depth);
pPixmap->drawable.id = 0;
pPixmap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
pPixmap->drawable.x = 0;
pPixmap->drawable.y = 0;
pPixmap->drawable.width = width;
pPixmap->drawable.height = height;
#ifdef COMPOSITE
pPixmap->screen_x = 0;
pPixmap->screen_y = 0;
#endif
pPixmap->devKind = 0;
pPixmap->refcnt = 1;
pPixmap->devPrivate.ptr = 0;
pPixmapPriv = XGL_GET_PIXMAP_PRIV (pPixmap);
pPixmapPriv->pVisual = NULL;
pPixmapPriv->pDamage = NULL;
if (!xglPixmapSurfaceInit (pPixmap, pScreenPriv->features, width, height))
return NullPixmap;
pPixmapPriv->buffer = NULL;
pPixmapPriv->bits = (pointer) 0;
pPixmapPriv->stride = 0;
pPixmapPriv->pGeometry = NULL;
pPixmapPriv->allBits = TRUE;
pPixmapPriv->damageBox = miEmptyBox;
return pPixmap;
}
void
xglFiniPixmap (PixmapPtr pPixmap)
{
XGL_PIXMAP_PRIV (pPixmap);
if (pPixmap->devPrivate.ptr)
{
if (pPixmapPriv->buffer)
glitz_buffer_unmap (pPixmapPriv->buffer);
}
if (pPixmapPriv->pGeometry)
GEOMETRY_UNINIT (pPixmapPriv->pGeometry);
if (pPixmapPriv->buffer)
glitz_buffer_destroy (pPixmapPriv->buffer);
if (pPixmapPriv->bits)
xfree (pPixmapPriv->bits);
REGION_UNINIT (pPixmap->drawable.pScreen, &pPixmapPriv->bitRegion);
if (pPixmapPriv->drawable)
glitz_drawable_destroy (pPixmapPriv->drawable);
if (pPixmapPriv->surface)
glitz_surface_destroy (pPixmapPriv->surface);
}
Bool
xglDestroyPixmap (PixmapPtr pPixmap)
{
if (--pPixmap->refcnt)
return TRUE;
xglFiniPixmap (pPixmap);
xfree (pPixmap);
return TRUE;
}
Bool
xglModifyPixmapHeader (PixmapPtr pPixmap,
int width,
int height,
int depth,
int bitsPerPixel,
int devKind,
pointer pPixData)
{
xglScreenPtr pScreenPriv;
xglPixmapPtr pPixmapPriv;
int oldWidth, oldHeight;
if (!pPixmap)
return FALSE;
pScreenPriv = XGL_GET_SCREEN_PRIV (pPixmap->drawable.pScreen);
pPixmapPriv = XGL_GET_PIXMAP_PRIV (pPixmap);
oldWidth = pPixmap->drawable.width;
oldHeight = pPixmap->drawable.height;
if ((width > 0) && (height > 0) && (depth > 0) && (bitsPerPixel > 0) &&
(devKind > 0) && pPixData)
{
pPixmap->drawable.depth = depth;
pPixmap->drawable.bitsPerPixel = bitsPerPixel;
pPixmap->drawable.id = 0;
pPixmap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
pPixmap->drawable.x = 0;
pPixmap->drawable.y = 0;
pPixmap->drawable.width = width;
pPixmap->drawable.height = height;
pPixmapPriv->stride = devKind;
pPixmap->refcnt = 1;
}
else
{
if (width > 0)
pPixmap->drawable.width = width;
if (height > 0)
pPixmap->drawable.height = height;
if (depth > 0)
pPixmap->drawable.depth = depth;
if (bitsPerPixel > 0)
pPixmap->drawable.bitsPerPixel = bitsPerPixel;
else if ((bitsPerPixel < 0) && (depth > 0))
pPixmap->drawable.bitsPerPixel = BitsPerPixel (depth);
if (devKind > 0)
pPixmapPriv->stride = devKind;
else if ((devKind < 0) && ((width > 0) || (depth > 0)))
pPixmapPriv->stride = PixmapBytePad (pPixmap->drawable.width,
pPixmap->drawable.depth);
}
if (pPixmap->drawable.width != oldWidth ||
pPixmap->drawable.height != oldHeight)
{
pPixmapPriv->pVisual = NULL;
pPixmapPriv->target = xglPixmapTargetNo;
if (pPixmapPriv->drawable)
glitz_drawable_destroy (pPixmapPriv->drawable);
if (pPixmapPriv->surface)
glitz_surface_destroy (pPixmapPriv->surface);
REGION_UNINIT (pPixmap->drawable.pScreen, &pPixmapPriv->bitRegion);
if (!xglPixmapSurfaceInit (pPixmap,
pScreenPriv->features,
pPixmap->drawable.width,
pPixmap->drawable.height))
return FALSE;
}
if (pPixData)
{
BoxRec box;
if (pPixmap->devPrivate.ptr)
{
if (pPixmapPriv->buffer)
glitz_buffer_unmap (pPixmapPriv->buffer);
pPixmap->devPrivate.ptr = 0;
}
if (pPixmapPriv->pGeometry)
{
GEOMETRY_UNINIT (pPixmapPriv->pGeometry);
pPixmapPriv->pGeometry = NULL;
}
if (pPixmapPriv->buffer)
glitz_buffer_destroy (pPixmapPriv->buffer);
if (pPixmapPriv->bits)
xfree (pPixmapPriv->bits);
pPixmapPriv->bits = (pointer) 0;
pPixmapPriv->buffer = glitz_buffer_create_for_data (pPixData);
if (!pPixmapPriv->buffer)
return FALSE;
pPixmapPriv->allBits = TRUE;
box.x1 = 0;
box.y1 = 0;
box.x2 = pPixmap->drawable.width;
box.y2 = pPixmap->drawable.height;
REGION_UNINIT (pPixmap->drawable.pScreen, &pPixmapPriv->bitRegion);
REGION_INIT (pPixmap->drawable.pScreen, &pPixmapPriv->bitRegion,
&box, 1);
if (pPixmapPriv->pDamage)
{
RegionPtr pRegion;
pRegion = DamageRegion (pPixmapPriv->pDamage);
REGION_UNINIT (pPixmap->drawable.pScreen, pRegion);
REGION_INIT (pPixmap->drawable.pScreen, pRegion, NullBox, 0);
REGION_SUBTRACT (pPixmap->drawable.pScreen, pRegion,
&pPixmapPriv->bitRegion, pRegion);
}
}
/*
* Screen pixmap
*/
if (!pScreenPriv->pScreenPixmap || pScreenPriv->pScreenPixmap == pPixmap)
{
if (!pPixmapPriv->drawable)
{
glitz_drawable_reference (pScreenPriv->drawable);
pPixmapPriv->drawable = pScreenPriv->drawable;
}
if (!pPixmapPriv->surface)
{
glitz_surface_reference (pScreenPriv->surface);
pPixmapPriv->surface = pScreenPriv->surface;
}
pPixmapPriv->pVisual = pScreenPriv->rootVisual;
pPixmapPriv->target = xglPixmapTargetIn;
if (!pScreenPriv->pScreenPixmap)
pScreenPriv->pScreenPixmap = pPixmap;
}
return TRUE;
}
RegionPtr
xglPixmapToRegion (PixmapPtr pPixmap)
{
ScreenPtr pScreen = pPixmap->drawable.pScreen;
RegionPtr pRegion;
XGL_SCREEN_PRIV (pScreen);
if (!xglSyncBits (&pPixmap->drawable, NullBox))
FatalError (XGL_SW_FAILURE_STRING);
XGL_SCREEN_UNWRAP (BitmapToRegion);
pRegion = (*pScreen->BitmapToRegion) (pPixmap);
XGL_SCREEN_WRAP (BitmapToRegion, xglPixmapToRegion);
return pRegion;
}
xglGeometryPtr
xglPixmapToGeometry (PixmapPtr pPixmap,
int xOff,
int yOff)
{
XGL_PIXMAP_PRIV (pPixmap);
if (pPixmap->devPrivate.ptr)
xglUnmapPixmapBits (pPixmap);
if (!pPixmapPriv->pGeometry)
{
xglGeometryPtr pGeometry;
if (!pPixmapPriv->buffer)
{
if (!xglAllocatePixmapBits (pPixmap,
XGL_PIXMAP_USAGE_HINT_DEFAULT))
return NULL;
}
pGeometry = xalloc (sizeof (xglGeometryRec));
if (!pGeometry)
return NULL;
GEOMETRY_INIT (pPixmap->drawable.pScreen, pGeometry,
GLITZ_GEOMETRY_TYPE_BITMAP,
GEOMETRY_USAGE_DYNAMIC, 0);
GEOMETRY_SET_BUFFER (pGeometry, pPixmapPriv->buffer);
if (pPixmapPriv->stride < 0)
{
pGeometry->f.bitmap.bytes_per_line = -pPixmapPriv->stride;
pGeometry->f.bitmap.scanline_order =
GLITZ_PIXEL_SCANLINE_ORDER_BOTTOM_UP;
}
else
{
pGeometry->f.bitmap.bytes_per_line = pPixmapPriv->stride;
pGeometry->f.bitmap.scanline_order =
GLITZ_PIXEL_SCANLINE_ORDER_TOP_DOWN;
}
pGeometry->f.bitmap.pad = ((1 + FB_MASK) >> FB_SHIFT) *
sizeof (FbBits);
pGeometry->width = pPixmap->drawable.width;
pGeometry->count = pPixmap->drawable.height;
pPixmapPriv->pGeometry = pGeometry;
}
pPixmapPriv->pGeometry->xOff = xOff << 16;
pPixmapPriv->pGeometry->yOff = yOff << 16;
return pPixmapPriv->pGeometry;
}
Bool
xglCreatePixmapSurface (PixmapPtr pPixmap)
{
XGL_PIXMAP_PRIV (pPixmap);
if (!pPixmapPriv->surface)
{
XGL_SCREEN_PRIV (pPixmap->drawable.pScreen);
if (!pPixmapPriv->pVisual || !pPixmapPriv->pVisual->format.surface)
return FALSE;
pPixmapPriv->surface =
glitz_surface_create (pScreenPriv->drawable,
pPixmapPriv->pVisual->format.surface,
pPixmap->drawable.width,
pPixmap->drawable.height,
0, NULL);
if (!pPixmapPriv->surface)
{
pPixmapPriv->pVisual = NULL;
pPixmapPriv->target = xglPixmapTargetNo;
return FALSE;
}
}
return TRUE;
}
Bool
xglAllocatePixmapBits (PixmapPtr pPixmap, int hint)
{
int width, height, bpp, stride;
XGL_PIXMAP_PRIV (pPixmap);
XGL_SCREEN_PRIV (pPixmap->drawable.pScreen);
width = pPixmap->drawable.width;
height = pPixmap->drawable.height;
bpp = pPixmap->drawable.bitsPerPixel;
stride = ((width * bpp + FB_MASK) >> FB_SHIFT) * sizeof (FbBits);
if (stride)
{
glitz_buffer_t *buffer;
if ((pScreenPriv->pboMask & bpp) && hint)
{
buffer = glitz_pixel_buffer_create (pScreenPriv->drawable,
NULL, height * stride,
XGL_PIXMAP_USAGE_HINT (hint));
}
else
{
pPixmapPriv->bits = xalloc (height * stride);
if (!pPixmapPriv->bits)
return FALSE;
buffer = glitz_buffer_create_for_data (pPixmapPriv->bits);
}
if (!buffer)
{
if (pPixmapPriv->bits)
xfree (pPixmapPriv->bits);
pPixmapPriv->bits = NULL;
return FALSE;
}
pPixmapPriv->buffer = buffer;
}
if (pScreenPriv->yInverted)
pPixmapPriv->stride = stride;
else
pPixmapPriv->stride = -stride;
return TRUE;
}
Bool
xglMapPixmapBits (PixmapPtr pPixmap)
{
if (!pPixmap->devPrivate.ptr)
{
CARD8 *bits;
XGL_PIXMAP_PRIV (pPixmap);
if (!pPixmapPriv->buffer)
if (!xglAllocatePixmapBits (pPixmap,
XGL_PIXMAP_USAGE_HINT_DEFAULT))
return FALSE;
bits = glitz_buffer_map (pPixmapPriv->buffer,
GLITZ_BUFFER_ACCESS_READ_WRITE);
if (!bits)
return FALSE;
pPixmap->devKind = pPixmapPriv->stride;
if (pPixmapPriv->stride < 0)
{
pPixmap->devPrivate.ptr = bits +
(pPixmap->drawable.height - 1) * -pPixmapPriv->stride;
}
else
{
pPixmap->devPrivate.ptr = bits;
}
}
return TRUE;
}
Bool
xglUnmapPixmapBits (PixmapPtr pPixmap)
{
XGL_PIXMAP_PRIV (pPixmap);
pPixmap->devKind = 0;
pPixmap->devPrivate.ptr = 0;
if (pPixmapPriv->buffer)
if (glitz_buffer_unmap (pPixmapPriv->buffer))
return FALSE;
return TRUE;
}
Bool
xglCheckPixmapSize (PixmapPtr pPixmap,
xglSizeConstraintPtr pSize)
{
if (pPixmap->drawable.width < pSize->minWidth ||
pPixmap->drawable.height < pSize->minHeight)
return FALSE;
if (pPixmap->drawable.width > pSize->aboveWidth ||
pPixmap->drawable.height > pSize->aboveHeight)
return TRUE;
return FALSE;
}
void
xglEnablePixmapAccel (PixmapPtr pPixmap,
xglAccelInfoPtr pAccel)
{
XGL_SCREEN_PRIV (pPixmap->drawable.pScreen);
XGL_PIXMAP_PRIV (pPixmap);
if (pAccel->enabled && xglCheckPixmapSize (pPixmap, &pAccel->size))
{
xglVisualPtr v;
if (pAccel->pbuffer)
{
for (v = pScreenPriv->pVisual; v; v = v->next)
{
if (v->pPixel->depth != pPixmap->drawable.depth)
continue;
if (v->format.drawable && v->pbuffer)
break;
}
}
else
{
for (v = pScreenPriv->pVisual; v; v = v->next)
{
if (v->pPixel->depth != pPixmap->drawable.depth)
continue;
if (v->format.drawable && !v->pbuffer)
break;
}
}
if (v)
{
xglSetPixmapVisual (pPixmap, v);
if (!pPixmapPriv->target)
pPixmapPriv->target = xglPixmapTargetOut;
}
}
}