425 lines
12 KiB
C
425 lines
12 KiB
C
/*
|
|
* Copyright © 2001 Keith Packard
|
|
* Copyright 2011 VMWare, Inc. All Rights Reserved.
|
|
* May partly be based on code that is Copyright © The XFree86 Project Inc.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the
|
|
* "Software"), to deal in the Software without restriction, including
|
|
* without limitation the rights to use, copy, modify, merge, publish,
|
|
* distribute, sub license, and/or sell copies of the Software, and to
|
|
* permit persons to whom the Software is furnished to do so, subject to
|
|
* the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice (including the
|
|
* next paragraph) shall be included in all copies or substantial portions
|
|
* of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
|
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
|
|
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
|
|
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
|
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
|
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
*
|
|
* Author: Eric Anholt <eric@anholt.net>
|
|
* Author: Michel Dänzer <michel@tungstengraphics.com>
|
|
* Author: Thomas Hellstrom <thellstrom@vmware.com>
|
|
*/
|
|
#include "saa.h"
|
|
#include "saa_priv.h"
|
|
|
|
#ifdef RENDER
|
|
#include <mipict.h>
|
|
|
|
/**
|
|
* Same as miCreateAlphaPicture, except it uses
|
|
* saa_check_poly_fill_rect instead
|
|
*/
|
|
|
|
static PicturePtr
|
|
saa_create_alpha_picture(ScreenPtr pScreen,
|
|
PicturePtr pDst,
|
|
PictFormatPtr pPictFormat, CARD16 width, CARD16 height)
|
|
{
|
|
PixmapPtr pPixmap;
|
|
PicturePtr pPicture;
|
|
GCPtr pGC;
|
|
int error;
|
|
xRectangle rect;
|
|
|
|
if (width > 32767 || height > 32767)
|
|
return 0;
|
|
|
|
if (!pPictFormat) {
|
|
if (pDst->polyEdge == PolyEdgeSharp)
|
|
pPictFormat = PictureMatchFormat(pScreen, 1, PICT_a1);
|
|
else
|
|
pPictFormat = PictureMatchFormat(pScreen, 8, PICT_a8);
|
|
if (!pPictFormat)
|
|
return 0;
|
|
}
|
|
|
|
pPixmap = (*pScreen->CreatePixmap) (pScreen, width, height,
|
|
pPictFormat->depth, 0);
|
|
if (!pPixmap)
|
|
return 0;
|
|
pGC = GetScratchGC(pPixmap->drawable.depth, pScreen);
|
|
if (!pGC) {
|
|
(*pScreen->DestroyPixmap) (pPixmap);
|
|
return 0;
|
|
}
|
|
ValidateGC(&pPixmap->drawable, pGC);
|
|
rect.x = 0;
|
|
rect.y = 0;
|
|
rect.width = width;
|
|
rect.height = height;
|
|
saa_check_poly_fill_rect(&pPixmap->drawable, pGC, 1, &rect);
|
|
FreeScratchGC(pGC);
|
|
pPicture = CreatePicture(0, &pPixmap->drawable, pPictFormat,
|
|
0, 0, serverClient, &error);
|
|
(*pScreen->DestroyPixmap) (pPixmap);
|
|
return pPicture;
|
|
}
|
|
|
|
/**
|
|
* saa_trapezoids is essentially a copy of miTrapezoids that uses
|
|
* saa_create_alpha_picture instead of miCreateAlphaPicture.
|
|
*
|
|
* The problem with miCreateAlphaPicture is that it calls PolyFillRect
|
|
* to initialize the contents after creating the pixmap, which
|
|
* causes the pixmap to be moved in for acceleration. The subsequent
|
|
* call to RasterizeTrapezoid won't be accelerated however, which
|
|
* forces the pixmap to be moved out again.
|
|
*
|
|
*/
|
|
static void
|
|
saa_trapezoids(CARD8 op, PicturePtr pSrc, PicturePtr pDst,
|
|
PictFormatPtr maskFormat, INT16 xSrc, INT16 ySrc,
|
|
int ntrap, xTrapezoid * traps)
|
|
{
|
|
ScreenPtr pScreen = pDst->pDrawable->pScreen;
|
|
PictureScreenPtr ps = GetPictureScreen(pScreen);
|
|
BoxRec bounds;
|
|
|
|
if (maskFormat) {
|
|
PicturePtr pPicture;
|
|
INT16 xDst, yDst;
|
|
INT16 xRel, yRel;
|
|
saa_access_t access;
|
|
|
|
miTrapezoidBounds(ntrap, traps, &bounds);
|
|
|
|
if (bounds.y1 >= bounds.y2 || bounds.x1 >= bounds.x2)
|
|
return;
|
|
|
|
xDst = traps[0].left.p1.x >> 16;
|
|
yDst = traps[0].left.p1.y >> 16;
|
|
|
|
pPicture = saa_create_alpha_picture(pScreen, pDst, maskFormat,
|
|
bounds.x2 - bounds.x1,
|
|
bounds.y2 - bounds.y1);
|
|
if (!pPicture)
|
|
return;
|
|
|
|
if (saa_pad_write(pPicture->pDrawable, NULL, FALSE, &access)) {
|
|
for (; ntrap; ntrap--, traps++)
|
|
(*ps->RasterizeTrapezoid) (pPicture, traps,
|
|
-bounds.x1, -bounds.y1);
|
|
saa_fad_write(pPicture->pDrawable, access);
|
|
}
|
|
|
|
xRel = bounds.x1 + xSrc - xDst;
|
|
yRel = bounds.y1 + ySrc - yDst;
|
|
CompositePicture(op, pSrc, pPicture, pDst,
|
|
xRel, yRel, 0, 0, bounds.x1, bounds.y1,
|
|
bounds.x2 - bounds.x1, bounds.y2 - bounds.y1);
|
|
FreePicture(pPicture, 0);
|
|
} else {
|
|
if (pDst->polyEdge == PolyEdgeSharp)
|
|
maskFormat = PictureMatchFormat(pScreen, 1, PICT_a1);
|
|
else
|
|
maskFormat = PictureMatchFormat(pScreen, 8, PICT_a8);
|
|
for (; ntrap; ntrap--, traps++)
|
|
saa_trapezoids(op, pSrc, pDst, maskFormat, xSrc, ySrc, 1, traps);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* saa_triangles is essentially a copy of miTriangles that uses
|
|
* saa_create_alpha_picture instead of miCreateAlphaPicture.
|
|
*
|
|
* The problem with miCreateAlphaPicture is that it calls PolyFillRect
|
|
* to initialize the contents after creating the pixmap, which
|
|
* causes the pixmap to be moved in for acceleration. The subsequent
|
|
* call to AddTriangles won't be accelerated however, which forces the pixmap
|
|
* to be moved out again.
|
|
*/
|
|
static void
|
|
saa_triangles(CARD8 op, PicturePtr pSrc, PicturePtr pDst,
|
|
PictFormatPtr maskFormat, INT16 xSrc, INT16 ySrc,
|
|
int ntri, xTriangle * tris)
|
|
{
|
|
ScreenPtr pScreen = pDst->pDrawable->pScreen;
|
|
PictureScreenPtr ps = GetPictureScreen(pScreen);
|
|
BoxRec bounds;
|
|
|
|
if (maskFormat) {
|
|
PicturePtr pPicture;
|
|
INT16 xDst, yDst;
|
|
INT16 xRel, yRel;
|
|
saa_access_t access;
|
|
|
|
miTriangleBounds(ntri, tris, &bounds);
|
|
|
|
if (bounds.y1 >= bounds.y2 || bounds.x1 >= bounds.x2)
|
|
return;
|
|
|
|
xDst = tris[0].p1.x >> 16;
|
|
yDst = tris[0].p1.y >> 16;
|
|
|
|
pPicture = saa_create_alpha_picture(pScreen, pDst, maskFormat,
|
|
bounds.x2 - bounds.x1,
|
|
bounds.y2 - bounds.y1);
|
|
if (!pPicture)
|
|
return;
|
|
|
|
if (saa_pad_write(pPicture->pDrawable, NULL, FALSE, &access)) {
|
|
(*ps->AddTriangles) (pPicture, -bounds.x1, -bounds.y1, ntri, tris);
|
|
saa_fad_write(pPicture->pDrawable, access);
|
|
}
|
|
|
|
xRel = bounds.x1 + xSrc - xDst;
|
|
yRel = bounds.y1 + ySrc - yDst;
|
|
CompositePicture(op, pSrc, pPicture, pDst,
|
|
xRel, yRel, 0, 0, bounds.x1, bounds.y1,
|
|
bounds.x2 - bounds.x1, bounds.y2 - bounds.y1);
|
|
FreePicture(pPicture, 0);
|
|
} else {
|
|
if (pDst->polyEdge == PolyEdgeSharp)
|
|
maskFormat = PictureMatchFormat(pScreen, 1, PICT_a1);
|
|
else
|
|
maskFormat = PictureMatchFormat(pScreen, 8, PICT_a8);
|
|
|
|
for (; ntri; ntri--, tris++)
|
|
saa_triangles(op, pSrc, pDst, maskFormat, xSrc, ySrc, 1, tris);
|
|
}
|
|
}
|
|
|
|
static Bool
|
|
saa_driver_composite(CARD8 op,
|
|
PicturePtr pSrc,
|
|
PicturePtr pMask,
|
|
PicturePtr pDst,
|
|
INT16 xSrc,
|
|
INT16 ySrc,
|
|
INT16 xMask,
|
|
INT16 yMask,
|
|
INT16 xDst,
|
|
INT16 yDst,
|
|
CARD16 width,
|
|
CARD16 height,
|
|
RegionPtr src_reg,
|
|
RegionPtr mask_reg,
|
|
RegionPtr dst_reg)
|
|
{
|
|
struct saa_screen_priv *sscreen = saa_screen(pDst->pDrawable->pScreen);
|
|
BoxPtr pbox;
|
|
int nbox;
|
|
int src_off_x, src_off_y, mask_off_x, mask_off_y, dst_off_x, dst_off_y;
|
|
PixmapPtr src_pix = NULL, mask_pix = NULL, dst_pix;
|
|
struct saa_driver *driver = sscreen->driver;
|
|
|
|
if (!driver->composite_prepare)
|
|
return FALSE;
|
|
|
|
dst_pix = saa_get_pixmap(pDst->pDrawable, &dst_off_x, &dst_off_y);
|
|
if (saa_pixmap(dst_pix)->auth_loc != saa_loc_driver)
|
|
return FALSE;
|
|
|
|
if (pMask && pMask->pDrawable) {
|
|
mask_pix = saa_get_pixmap(pMask->pDrawable, &mask_off_x, &mask_off_y);
|
|
if (saa_pixmap(mask_pix)->auth_loc != saa_loc_driver)
|
|
return FALSE;
|
|
}
|
|
if (pSrc->pDrawable) {
|
|
src_pix = saa_get_pixmap(pSrc->pDrawable, &src_off_x, &src_off_y);
|
|
if (saa_pixmap(src_pix)->auth_loc != saa_loc_driver)
|
|
return FALSE;
|
|
}
|
|
|
|
if (!driver->composite_prepare(driver, op, pSrc, pMask, pDst,
|
|
src_pix, mask_pix, dst_pix,
|
|
src_reg, mask_reg, dst_reg))
|
|
return FALSE;
|
|
|
|
nbox = REGION_NUM_RECTS(dst_reg);
|
|
pbox = REGION_RECTS(dst_reg);
|
|
|
|
xDst += pDst->pDrawable->x + dst_off_x;
|
|
yDst += pDst->pDrawable->y + dst_off_y;
|
|
|
|
if (src_pix) {
|
|
xSrc += pSrc->pDrawable->x + src_off_x - xDst;
|
|
ySrc += pSrc->pDrawable->y + src_off_y - yDst;
|
|
}
|
|
if (mask_pix) {
|
|
xMask += pMask->pDrawable->x + mask_off_x - xDst;
|
|
yMask += pMask->pDrawable->y + mask_off_y - yDst;
|
|
}
|
|
|
|
while (nbox--) {
|
|
driver->composite(driver,
|
|
pbox->x1 + xSrc,
|
|
pbox->y1 + ySrc,
|
|
pbox->x1 + xMask,
|
|
pbox->y1 + yMask,
|
|
pbox->x1,
|
|
pbox->y1,
|
|
pbox->x2 - pbox->x1,
|
|
pbox->y2 - pbox->y1);
|
|
pbox++;
|
|
}
|
|
|
|
driver->composite_done(driver);
|
|
saa_pixmap_dirty(dst_pix, TRUE, dst_reg);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/*
|
|
* Try to turn a composite operation into an accelerated copy.
|
|
* We can do that in some special cases for PictOpSrc and PictOpOver.
|
|
*/
|
|
|
|
static Bool
|
|
saa_copy_composite(CARD8 op,
|
|
PicturePtr pSrc,
|
|
PicturePtr pMask,
|
|
PicturePtr pDst,
|
|
INT16 xSrc,
|
|
INT16 ySrc,
|
|
INT16 xMask,
|
|
INT16 yMask,
|
|
INT16 xDst, INT16 yDst, CARD16 width, CARD16 height,
|
|
RegionPtr dst_region)
|
|
{
|
|
if (!pSrc->pDrawable || pSrc->transform ||
|
|
pSrc->repeat || xSrc < 0 || ySrc < 0 ||
|
|
xSrc + width > pSrc->pDrawable->width ||
|
|
ySrc + height > pSrc->pDrawable->height)
|
|
return FALSE;
|
|
|
|
if (op == PictOpSrc ||
|
|
(op == PictOpOver && PICT_FORMAT_A(pSrc->format) == 0 &&
|
|
pMask == NULL)) {
|
|
|
|
int xoff, yoff;
|
|
PixmapPtr dst_pix = saa_get_pixmap(pDst->pDrawable, &xoff, &yoff);
|
|
struct saa_pixmap *dst_spix = saa_pixmap(dst_pix);
|
|
struct saa_pixmap *src_spix =
|
|
saa_pixmap(saa_get_drawable_pixmap(pSrc->pDrawable));
|
|
int ret;
|
|
|
|
if (src_spix->auth_loc != saa_loc_driver ||
|
|
dst_spix->auth_loc != saa_loc_driver)
|
|
return FALSE;
|
|
|
|
src_spix->src_format = pSrc->format;
|
|
dst_spix->dst_format = pDst->format;
|
|
|
|
xDst += pDst->pDrawable->x;
|
|
yDst += pDst->pDrawable->y;
|
|
xSrc += pSrc->pDrawable->x;
|
|
ySrc += pSrc->pDrawable->y;
|
|
|
|
/*
|
|
* Dst region is in backing pixmap space. We need to
|
|
* translate it.
|
|
*/
|
|
REGION_TRANSLATE(pScreen, dst_region, -xoff, -yoff);
|
|
ret = saa_hw_copy_nton(pSrc->pDrawable, pDst->pDrawable, NULL,
|
|
REGION_RECTS(dst_region),
|
|
REGION_NUM_RECTS(dst_region),
|
|
xSrc - xDst, ySrc - yDst, FALSE, FALSE);
|
|
REGION_TRANSLATE(pScreen, dst_region, xoff, yoff);
|
|
|
|
src_spix->src_format = 0;
|
|
dst_spix->dst_format = 0;
|
|
|
|
if (ret)
|
|
return TRUE;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
saa_composite(CARD8 op,
|
|
PicturePtr pSrc,
|
|
PicturePtr pMask,
|
|
PicturePtr pDst,
|
|
INT16 xSrc,
|
|
INT16 ySrc,
|
|
INT16 xMask,
|
|
INT16 yMask, INT16 xDst, INT16 yDst, CARD16 width, CARD16 height)
|
|
{
|
|
ScreenPtr pScreen = pDst->pDrawable->pScreen;
|
|
RegionRec dst_region;
|
|
RegionPtr src_region;
|
|
RegionPtr mask_region;
|
|
|
|
REGION_NULL(pScreen, &dst_region);
|
|
if (!saa_compute_composite_regions(pScreen, pSrc, pMask, pDst,
|
|
xSrc, ySrc, xMask, yMask, xDst,
|
|
yDst, width, height,
|
|
&dst_region, &src_region, &mask_region))
|
|
goto out;
|
|
|
|
if (saa_copy_composite(op, pSrc, pMask, pDst, xSrc, ySrc, xMask, yMask,
|
|
xDst, yDst, width, height, &dst_region))
|
|
goto out;
|
|
|
|
if (saa_driver_composite(op, pSrc, pMask, pDst, xSrc, ySrc, xMask, yMask,
|
|
xDst, yDst, width, height, src_region,
|
|
mask_region, &dst_region))
|
|
goto out;
|
|
|
|
saa_check_composite(op, pSrc, pMask, pDst, xSrc, ySrc, xMask, yMask,
|
|
xDst, yDst, width, height,
|
|
src_region, mask_region, &dst_region);
|
|
out:
|
|
if (src_region)
|
|
REGION_UNINIT(pScreen, src_region);
|
|
if (mask_region && mask_region != src_region)
|
|
REGION_UNINIT(pScreen, mask_region);
|
|
REGION_UNINIT(pScreen, &dst_region);
|
|
}
|
|
|
|
void
|
|
saa_render_setup(ScreenPtr pScreen)
|
|
{
|
|
PictureScreenPtr ps = GetPictureScreenIfSet(pScreen);
|
|
struct saa_screen_priv *sscreen = saa_screen(pScreen);
|
|
|
|
if (ps) {
|
|
saa_wrap(sscreen, ps, Trapezoids, saa_trapezoids);
|
|
saa_wrap(sscreen, ps, Triangles, saa_triangles);
|
|
saa_wrap(sscreen, ps, Composite, saa_composite);
|
|
}
|
|
}
|
|
|
|
void
|
|
saa_render_takedown(ScreenPtr pScreen)
|
|
{
|
|
PictureScreenPtr ps = GetPictureScreenIfSet(pScreen);
|
|
struct saa_screen_priv *sscreen = saa_screen(pScreen);
|
|
|
|
if (ps) {
|
|
saa_unwrap(sscreen, ps, Trapezoids);
|
|
saa_unwrap(sscreen, ps, Triangles);
|
|
saa_unwrap(sscreen, ps, Composite);
|
|
}
|
|
}
|
|
#endif
|