static Bool
glamor_get_image_gl(DrawablePtr drawable, int x, int y, int w, int h,
unsigned int format, unsigned long plane_mask, char *d)
{
PixmapPtr pixmap = glamor_get_drawable_pixmap(drawable);
glamor_pixmap_private *pixmap_priv;
uint32_t byte_stride = PixmapBytePad(w, drawable->depth);
BoxRec box;
int off_x, off_y;
pixmap_priv = glamor_get_pixmap_private(pixmap);
if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(pixmap_priv))
goto bail;
if (format != ZPixmap || !glamor_pm_is_solid(drawable, plane_mask))
goto bail;
glamor_get_drawable_deltas(drawable, pixmap, &off_x, &off_y);
box.x1 = x;
box.x2 = x + w;
box.y1 = y;
box.y2 = y + h;
glamor_download_boxes(pixmap, &box, 1,
drawable->x + off_x, drawable->y + off_y,
-x, -y,
(uint8_t *) d, byte_stride);
return TRUE;
bail:
return FALSE;
}
static Bool
glamor_put_image_gl(DrawablePtr drawable, GCPtr gc, int depth, int x, int y,
int w, int h, int leftPad, int format, char *bits)
{
ScreenPtr screen = drawable->pScreen;
glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
PixmapPtr pixmap = glamor_get_drawable_pixmap(drawable);
glamor_pixmap_private *pixmap_priv;
uint32_t byte_stride = PixmapBytePad(w, drawable->depth);
RegionRec region;
BoxRec box;
int off_x, off_y;
pixmap_priv = glamor_get_pixmap_private(pixmap);
if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(pixmap_priv))
return FALSE;
if (gc->alu != GXcopy)
goto bail;
if (!glamor_pm_is_solid(&pixmap->drawable, gc->planemask))
goto bail;
if (format == XYPixmap && drawable->depth == 1 && leftPad == 0)
format = ZPixmap;
if (format != ZPixmap)
goto bail;
x += drawable->x;
y += drawable->y;
box.x1 = x;
box.y1 = y;
box.x2 = box.x1 + w;
box.y2 = box.y1 + h;
RegionInit(®ion, &box, 1);
RegionIntersect(®ion, ®ion, gc->pCompositeClip);
glamor_get_drawable_deltas(drawable, pixmap, &off_x, &off_y);
if (off_x || off_y) {
x += off_x;
y += off_y;
RegionTranslate(®ion, off_x, off_y);
}
glamor_make_current(glamor_priv);
glamor_upload_region(pixmap, ®ion, x, y, (uint8_t *) bits, byte_stride);
RegionUninit(®ion);
return TRUE;
bail:
return FALSE;
}
static Bool
_glamor_get_spans(DrawablePtr drawable,
int wmax,
DDXPointPtr points, int *widths, int count, char *dst,
Bool fallback)
{
PixmapPtr pixmap = glamor_get_drawable_pixmap(drawable);
glamor_pixmap_private *pixmap_priv =
glamor_get_pixmap_private(pixmap);
int i;
uint8_t *readpixels_dst = (uint8_t *) dst;
int x_off, y_off;
Bool ret = FALSE;
if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(pixmap_priv))
goto fail;
glamor_get_drawable_deltas(drawable, pixmap, &x_off, &y_off);
for (i = 0; i < count; i++) {
#ifdef DEBUG
void *data =
#endif
glamor_download_sub_pixmap_to_cpu(pixmap, points[i].x + x_off,
points[i].y + y_off, widths[i], 1,
PixmapBytePad(widths[i], drawable->depth),
readpixels_dst, 0, GLAMOR_ACCESS_RO);
assert(data == readpixels_dst);
readpixels_dst += PixmapBytePad(widths[i], drawable->depth);
}
ret = TRUE;
goto done;
fail:
if (!fallback
&& glamor_ddx_fallback_check_pixmap(drawable))
goto done;
ret = TRUE;
if (glamor_prepare_access(drawable, GLAMOR_ACCESS_RO)) {
fbGetSpans(drawable, wmax, points, widths, count, dst);
}
glamor_finish_access(drawable);
done:
return ret;
}
/**
* Implements CopyArea from the GPU to the CPU using glReadPixels from the
* source FBO.
*/
static Bool
glamor_copy_fbo_cpu(DrawablePtr src,
DrawablePtr dst,
GCPtr gc,
BoxPtr box,
int nbox,
int dx,
int dy,
Bool reverse,
Bool upsidedown,
Pixel bitplane,
void *closure)
{
ScreenPtr screen = dst->pScreen;
glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
PixmapPtr src_pixmap = glamor_get_drawable_pixmap(src);
FbBits *dst_bits;
FbStride dst_stride;
int dst_bpp;
int src_xoff, src_yoff;
int dst_xoff, dst_yoff;
if (gc && gc->alu != GXcopy)
goto bail;
if (gc && !glamor_pm_is_solid(gc->depth, gc->planemask))
goto bail;
glamor_make_current(glamor_priv);
glamor_prepare_access(dst, GLAMOR_ACCESS_RW);
glamor_get_drawable_deltas(src, src_pixmap, &src_xoff, &src_yoff);
fbGetDrawable(dst, dst_bits, dst_stride, dst_bpp, dst_xoff, dst_yoff);
glamor_download_boxes(src_pixmap, box, nbox, src_xoff + dx, src_yoff + dy,
dst_xoff, dst_yoff,
(uint8_t *) dst_bits, dst_stride * sizeof (FbBits));
glamor_finish_access(dst);
return TRUE;
bail:
return FALSE;
}
static Bool
_glamor_put_image(DrawablePtr drawable, GCPtr gc, int depth, int x, int y,
int w, int h, int left_pad, int image_format, char *bits, Bool fallback)
{
PixmapPtr pixmap = glamor_get_drawable_pixmap(drawable);
glamor_pixmap_private *pixmap_priv =
glamor_get_pixmap_private(pixmap);
RegionPtr clip;
int x_off, y_off;
Bool ret = FALSE;
PixmapPtr temp_pixmap, sub_pixmap;
glamor_pixmap_private *temp_pixmap_priv;
BoxRec box;
int stride;
glamor_get_drawable_deltas(drawable, pixmap, &x_off, &y_off);
clip = fbGetCompositeClip(gc);
if (image_format == XYBitmap) {
assert(depth == 1);
goto fail;
}
if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(pixmap_priv)) {
glamor_fallback("has no fbo.\n");
goto fail;
}
if (image_format != ZPixmap) {
glamor_fallback("non-ZPixmap\n");
goto fail;
}
if (!glamor_set_planemask(pixmap, gc->planemask)) {
goto fail;
}
/* create a temporary pixmap and upload the bits to that
* pixmap, then apply clip copy it to the destination pixmap.*/
stride = PixmapBytePad(w, depth);
box.x1 = x + drawable->x;
box.y1 = y + drawable->y;
box.x2 = x + w + drawable->x;
box.y2 = y + h + drawable->y;
if ((clip != NULL && RegionContainsRect(clip, &box) != rgnIN)
|| gc->alu != GXcopy) {
temp_pixmap = glamor_create_pixmap(drawable->pScreen, w, h, depth, 0);
if (temp_pixmap == NULL)
goto fail;
temp_pixmap_priv = glamor_get_pixmap_private(temp_pixmap);
if (GLAMOR_PIXMAP_PRIV_IS_PICTURE(pixmap_priv)) {
temp_pixmap_priv->base.picture = pixmap_priv->base.picture;
temp_pixmap_priv->base.is_picture = pixmap_priv->base.is_picture;
}
glamor_upload_sub_pixmap_to_texture(temp_pixmap, 0, 0, w, h,
stride, bits, 0);
glamor_copy_area(&temp_pixmap->drawable, drawable, gc, 0, 0, w, h, x, y);
glamor_destroy_pixmap(temp_pixmap);
} else {
glamor_upload_sub_pixmap_to_texture(pixmap, x + drawable->x + x_off, y + drawable->y + y_off,
w, h, stride, bits, 0);
}
ret = TRUE;
goto done;
fail:
glamor_set_planemask(pixmap, ~0);
if (!fallback
&& glamor_ddx_fallback_check_pixmap(&pixmap->drawable))
goto done;
glamor_fallback("to %p (%c)\n",
drawable, glamor_get_drawable_location(drawable));
sub_pixmap = glamor_get_sub_pixmap(pixmap, x + x_off + drawable->x,
y + y_off + drawable->y, w, h,
GLAMOR_ACCESS_RW);
if (sub_pixmap) {
if (clip != NULL)
pixman_region_translate (clip, -x - drawable->x, -y - drawable->y);
fbPutImage(&sub_pixmap->drawable, gc, depth, 0, 0, w, h,
left_pad, image_format, bits);
glamor_put_sub_pixmap(sub_pixmap, pixmap,
x + x_off + drawable->x,
y + y_off + drawable->y,
w, h, GLAMOR_ACCESS_RW);
if (clip != NULL)
pixman_region_translate (clip, x + drawable->x, y + drawable->y);
} else
fbPutImage(drawable, gc, depth, x, y, w, h,
left_pad, image_format, bits);
ret = TRUE;
done:
return ret;
}
static Bool
glamor_copy_fbo_fbo_draw(DrawablePtr src,
DrawablePtr dst,
GCPtr gc,
BoxPtr box,
int nbox,
int dx,
int dy,
Bool reverse,
Bool upsidedown,
Pixel bitplane,
void *closure)
{
ScreenPtr screen = dst->pScreen;
glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
PixmapPtr src_pixmap = glamor_get_drawable_pixmap(src);
PixmapPtr dst_pixmap = glamor_get_drawable_pixmap(dst);
glamor_pixmap_private *src_priv = glamor_get_pixmap_private(src_pixmap);
glamor_pixmap_private *dst_priv = glamor_get_pixmap_private(dst_pixmap);
int src_box_index, dst_box_index;
int dst_off_x, dst_off_y;
int src_off_x, src_off_y;
GLshort *v;
char *vbo_offset;
struct copy_args args;
glamor_program *prog;
const glamor_facet *copy_facet;
int n;
glamor_make_current(glamor_priv);
if (gc && !glamor_set_planemask(gc->depth, gc->planemask))
goto bail_ctx;
if (!glamor_set_alu(screen, gc ? gc->alu : GXcopy))
goto bail_ctx;
if (bitplane) {
prog = &glamor_priv->copy_plane_prog;
copy_facet = &glamor_facet_copyplane;
} else {
prog = &glamor_priv->copy_area_prog;
copy_facet = &glamor_facet_copyarea;
}
if (prog->failed)
goto bail_ctx;
if (!prog->prog) {
if (!glamor_build_program(screen, prog,
copy_facet, NULL, NULL, NULL))
goto bail_ctx;
}
args.src_pixmap = src_pixmap;
args.bitplane = bitplane;
/* Set up the vertex buffers for the points */
v = glamor_get_vbo_space(dst->pScreen, nbox * 8 * sizeof (int16_t), &vbo_offset);
glEnableVertexAttribArray(GLAMOR_VERTEX_POS);
glVertexAttribPointer(GLAMOR_VERTEX_POS, 2, GL_SHORT, GL_FALSE,
2 * sizeof (GLshort), vbo_offset);
for (n = 0; n < nbox; n++) {
v[0] = box->x1; v[1] = box->y1;
v[2] = box->x1; v[3] = box->y2;
v[4] = box->x2; v[5] = box->y2;
v[6] = box->x2; v[7] = box->y1;
v += 8;
box++;
}
glamor_put_vbo_space(screen);
glamor_get_drawable_deltas(src, src_pixmap, &src_off_x, &src_off_y);
glEnable(GL_SCISSOR_TEST);
glamor_pixmap_loop(src_priv, src_box_index) {
BoxPtr src_box = glamor_pixmap_box_at(src_priv, src_box_index);
args.dx = dx + src_off_x - src_box->x1;
args.dy = dy + src_off_y - src_box->y1;
args.src = glamor_pixmap_fbo_at(src_priv, src_box_index);
if (!glamor_use_program(dst_pixmap, gc, prog, &args))
goto bail_ctx;
glamor_pixmap_loop(dst_priv, dst_box_index) {
glamor_set_destination_drawable(dst, dst_box_index, FALSE, FALSE,
prog->matrix_uniform,
&dst_off_x, &dst_off_y);
glScissor(dst_off_x - args.dx,
dst_off_y - args.dy,
src_box->x2 - src_box->x1,
src_box->y2 - src_box->y1);
glamor_glDrawArrays_GL_QUADS(glamor_priv, nbox);
}
static Bool
_glamor_copy_n_to_n(DrawablePtr src,
DrawablePtr dst,
GCPtr gc,
BoxPtr box,
int nbox,
int dx,
int dy,
Bool reverse,
Bool upsidedown, Pixel bitplane,
void *closure, Bool fallback)
{
PixmapPtr dst_pixmap, src_pixmap;
glamor_pixmap_private *dst_pixmap_priv, *src_pixmap_priv;
glamor_screen_private *glamor_priv;
glamor_gl_dispatch *dispatch;
BoxPtr extent;
RegionRec region;
int src_x_off, src_y_off, dst_x_off, dst_y_off;
Bool ok = FALSE;
int force_clip = 0;
if (nbox == 0)
return TRUE;
dst_pixmap = glamor_get_drawable_pixmap(dst);
dst_pixmap_priv = glamor_get_pixmap_private(dst_pixmap);
src_pixmap = glamor_get_drawable_pixmap(src);
src_pixmap_priv = glamor_get_pixmap_private(src_pixmap);
glamor_priv = glamor_get_screen_private(dst->pScreen);
DEBUGF("Copy %d %d %dx%d dx %d dy %d from %p to %p \n",
box[0].x1, box[0].y1,
box[0].x2 - box[0].x1, box[0].y2 - box[0].y1,
dx, dy,
src_pixmap, dst_pixmap);
if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(dst_pixmap_priv))
goto fall_back;
if (gc) {
if (!glamor_set_planemask(dst_pixmap, gc->planemask))
goto fall_back;
dispatch = glamor_get_dispatch(glamor_priv);
if (!glamor_set_alu(dispatch, gc->alu)) {
glamor_put_dispatch(glamor_priv);
goto fail_noregion;
}
glamor_put_dispatch(glamor_priv);
}
if (!src_pixmap_priv) {
glamor_set_pixmap_type(src_pixmap, GLAMOR_MEMORY);
src_pixmap_priv = glamor_get_pixmap_private(src_pixmap);
}
glamor_get_drawable_deltas(src, src_pixmap, &src_x_off,
&src_y_off);
glamor_get_drawable_deltas(dst, dst_pixmap, &dst_x_off,
&dst_y_off);
RegionInitBoxes(®ion, box, nbox);
extent = RegionExtents(®ion);
if (!glamor_check_fbo_size(glamor_priv,
extent->x2 - extent->x1, extent->y2 - extent->y1)
&& (src_pixmap_priv->type == GLAMOR_MEMORY
|| (src_pixmap_priv == dst_pixmap_priv))) {
force_clip = 1;
}
if (force_clip || dst_pixmap_priv->type == GLAMOR_TEXTURE_LARGE
|| src_pixmap_priv->type == GLAMOR_TEXTURE_LARGE) {
glamor_pixmap_clipped_regions *clipped_dst_regions;
int n_dst_region, i, j;
PixmapPtr temp_source_pixmap;
glamor_pixmap_private *temp_source_priv = NULL;
RegionTranslate(®ion, dst_x_off, dst_y_off);
if (!force_clip)
clipped_dst_regions = glamor_compute_clipped_regions(dst_pixmap_priv,
®ion, &n_dst_region, 0,
reverse, upsidedown);
else
clipped_dst_regions = glamor_compute_clipped_regions_ext(dst_pixmap_priv,
®ion, &n_dst_region,
glamor_priv->max_fbo_size,
glamor_priv->max_fbo_size,
reverse, upsidedown);
for(i = 0; i < n_dst_region; i++)
{
int n_src_region;
glamor_pixmap_clipped_regions *clipped_src_regions;
BoxPtr current_boxes;
int n_current_boxes;
SET_PIXMAP_FBO_CURRENT(dst_pixmap_priv, clipped_dst_regions[i].block_idx);
temp_source_pixmap = NULL;
if (src_pixmap_priv->type == GLAMOR_TEXTURE_LARGE) {
RegionTranslate(clipped_dst_regions[i].region,
-dst_x_off + src_x_off + dx, -dst_y_off + src_y_off + dy);
clipped_src_regions = glamor_compute_clipped_regions(src_pixmap_priv,
clipped_dst_regions[i].region,
&n_src_region, 0,
reverse, upsidedown);
DEBUGF("Source is large pixmap.\n");
for (j = 0; j < n_src_region; j++)
{
if (src_pixmap_priv != dst_pixmap_priv)
SET_PIXMAP_FBO_CURRENT(src_pixmap_priv, clipped_src_regions[j].block_idx);
else if (src_pixmap_priv == dst_pixmap_priv &&
clipped_src_regions[j].block_idx != clipped_dst_regions[i].block_idx) {
/* source and the dest are the same, but need different block_idx.
* we create a empty pixmap and fill the required source fbo and box to
* it. It's a little hacky, but avoid extra copy. */
temp_source_pixmap = glamor_create_pixmap(src->pScreen, 0, 0,
src->depth, 0);
if (!temp_source_pixmap) {
ok = FALSE;
goto fail;
}
src->pScreen->ModifyPixmapHeader(temp_source_pixmap,
src_pixmap->drawable.width,
src_pixmap->drawable.height,
0, 0, src_pixmap->devKind, NULL);
temp_source_priv = glamor_get_pixmap_private(temp_source_pixmap);
*temp_source_priv = *src_pixmap_priv;
temp_source_priv->large.box = src_pixmap_priv->large.box_array[clipped_src_regions[j].block_idx];
temp_source_priv->base.fbo = src_pixmap_priv->large.fbo_array[clipped_src_regions[j].block_idx];
temp_source_priv->base.pixmap = temp_source_pixmap;
}
assert(temp_source_pixmap || !(src_pixmap_priv == dst_pixmap_priv
&& (clipped_src_regions[j].block_idx != clipped_dst_regions[i].block_idx)));
RegionTranslate(clipped_src_regions[j].region,
-src_x_off - dx,
-src_y_off - dy);
current_boxes = RegionRects(clipped_src_regions[j].region);
n_current_boxes = RegionNumRects(clipped_src_regions[j].region);
DEBUGF("dst pixmap fbo idx %d src pixmap fbo idx %d \n",
clipped_dst_regions[i].block_idx,
clipped_src_regions[j].block_idx);
DEBUGF("Copy %d %d %d %d dx %d dy %d from %p to %p \n",
current_boxes[0].x1, current_boxes[0].y1,
current_boxes[0].x2, current_boxes[0].y2,
dx, dy, src_pixmap, dst_pixmap);
if (!temp_source_pixmap)
ok = __glamor_copy_n_to_n(src, dst, gc, current_boxes,
n_current_boxes, dx, dy, reverse,
upsidedown, bitplane, closure);
else {
ok = __glamor_copy_n_to_n(&temp_source_pixmap->drawable,
dst, gc, current_boxes,
n_current_boxes, dx, dy, reverse,
upsidedown, bitplane, closure);
temp_source_priv->type = GLAMOR_MEMORY;
temp_source_priv->base.fbo = NULL;
glamor_destroy_pixmap(temp_source_pixmap);
temp_source_pixmap = NULL;
}
RegionDestroy(clipped_src_regions[j].region);
if (!ok) {
assert(0);
goto fail;
}
}
if (n_src_region == 0)
ok = TRUE;
free(clipped_src_regions);
} else {
RegionTranslate(clipped_dst_regions[i].region,
- dst_x_off,
- dst_y_off);
current_boxes = RegionRects(clipped_dst_regions[i].region);
n_current_boxes = RegionNumRects(clipped_dst_regions[i].region);
DEBUGF("dest pixmap fbo idx %d \n",
clipped_dst_regions[i].block_idx);
DEBUGF("Copy %d %d %d %d dx %d dy %d from %p to %p \n",
current_boxes[0].x1, current_boxes[0].y1,
current_boxes[0].x2, current_boxes[0].y2,
dx, dy, src_pixmap, dst_pixmap);
ok = __glamor_copy_n_to_n(src, dst, gc, current_boxes,
n_current_boxes, dx, dy, reverse,
upsidedown, bitplane, closure);
}
RegionDestroy(clipped_dst_regions[i].region);
}
if (n_dst_region == 0)
ok = TRUE;
free(clipped_dst_regions);
} else {
ok = __glamor_copy_n_to_n(src, dst, gc, box, nbox, dx, dy,
reverse, upsidedown, bitplane,
closure);
}
fail:
RegionUninit(®ion);
fail_noregion:
dispatch = glamor_get_dispatch(glamor_priv);
glamor_set_alu(dispatch, GXcopy);
glamor_put_dispatch(glamor_priv);
if (ok)
return TRUE;
fall_back:
if (!fallback
&& glamor_ddx_fallback_check_pixmap(src)
&& glamor_ddx_fallback_check_pixmap(dst))
goto done;
if (src_pixmap_priv->type == GLAMOR_DRM_ONLY
|| dst_pixmap_priv->type == GLAMOR_DRM_ONLY) {
LogMessage(X_WARNING,
"Access a DRM only pixmap is not allowed within glamor.\n");
return TRUE;
}
glamor_report_delayed_fallbacks(src->pScreen);
glamor_report_delayed_fallbacks(dst->pScreen);
glamor_fallback("from %p to %p (%c,%c)\n", src, dst,
glamor_get_drawable_location(src),
glamor_get_drawable_location(dst));
if (glamor_prepare_access(dst, GLAMOR_ACCESS_RW) &&
glamor_prepare_access(src, GLAMOR_ACCESS_RO) &&
glamor_prepare_access_gc(gc)) {
fbCopyNtoN(src, dst, gc, box, nbox,
dx, dy, reverse, upsidedown, bitplane, closure);
}
glamor_finish_access_gc(gc);
glamor_finish_access(src);
glamor_finish_access(dst);
ok = TRUE;
done:
glamor_clear_delayed_fallbacks(src->pScreen);
glamor_clear_delayed_fallbacks(dst->pScreen);
return ok;
}
static Bool
glamor_copy_n_to_n_fbo_blit(DrawablePtr src,
DrawablePtr dst,
GCPtr gc, BoxPtr box, int nbox, int dx, int dy)
{
ScreenPtr screen = dst->pScreen;
PixmapPtr dst_pixmap = glamor_get_drawable_pixmap(dst);
PixmapPtr src_pixmap = glamor_get_drawable_pixmap(src);
glamor_pixmap_private *src_pixmap_priv, *dst_pixmap_priv;
glamor_screen_private *glamor_priv =
glamor_get_screen_private(screen);
glamor_gl_dispatch *dispatch;
int dst_x_off, dst_y_off, src_x_off, src_y_off, i;
int fbo_x_off, fbo_y_off;
int src_fbo_x_off, src_fbo_y_off;
if (!glamor_priv->has_fbo_blit) {
glamor_delayed_fallback(screen,
"no EXT_framebuffer_blit\n");
return FALSE;
}
src_pixmap_priv = glamor_get_pixmap_private(src_pixmap);
dst_pixmap_priv = glamor_get_pixmap_private(dst_pixmap);
if (gc) {
if (gc->alu != GXcopy) {
glamor_delayed_fallback(screen, "non-copy ALU\n");
return FALSE;
}
}
if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(src_pixmap_priv)) {
glamor_delayed_fallback(screen, "no src fbo\n");
return FALSE;
}
if (glamor_set_destination_pixmap(dst_pixmap))
return FALSE;
pixmap_priv_get_fbo_off(dst_pixmap_priv, &fbo_x_off, &fbo_y_off);
pixmap_priv_get_fbo_off(src_pixmap_priv, &src_fbo_x_off, &src_fbo_y_off);
dispatch = glamor_get_dispatch(glamor_priv);
dispatch->glBindFramebuffer(GL_READ_FRAMEBUFFER_EXT,
src_pixmap_priv->base.fbo->fb);
glamor_get_drawable_deltas(dst, dst_pixmap, &dst_x_off,
&dst_y_off);
glamor_get_drawable_deltas(src, src_pixmap, &src_x_off,
&src_y_off);
dst_x_off += fbo_x_off;
dst_y_off += fbo_y_off;
src_y_off += dy + src_fbo_y_off;
src_x_off += src_fbo_x_off;
for (i = 0; i < nbox; i++) {
if (glamor_priv->yInverted) {
dispatch->glBlitFramebuffer((box[i].x1 + dx +
src_x_off),
(box[i].y1 +
src_y_off),
(box[i].x2 + dx +
src_x_off),
(box[i].y2 +
src_y_off),
(box[i].x1 +
dst_x_off),
(box[i].y1 +
dst_y_off),
(box[i].x2 +
dst_x_off),
(box[i].y2 +
dst_y_off),
GL_COLOR_BUFFER_BIT,
GL_NEAREST);
} else {
int flip_dst_y1 =
dst_pixmap->drawable.height - (box[i].y2 +
dst_y_off);
int flip_dst_y2 =
dst_pixmap->drawable.height - (box[i].y1 +
dst_y_off);
int flip_src_y1 =
src_pixmap->drawable.height - (box[i].y2 +
src_y_off);
int flip_src_y2 =
src_pixmap->drawable.height - (box[i].y1 +
src_y_off);
dispatch->glBlitFramebuffer(box[i].x1 + dx +
src_x_off,
flip_src_y1,
box[i].x2 + dx +
src_x_off,
flip_src_y2,
box[i].x1 +
dst_x_off,
flip_dst_y1,
box[i].x2 +
dst_x_off,
flip_dst_y2,
GL_COLOR_BUFFER_BIT,
GL_NEAREST);
}
}
glamor_put_dispatch(glamor_priv);
glamor_priv->state = BLIT_STATE;
return TRUE;
}
static Bool
__glamor_copy_n_to_n(DrawablePtr src,
DrawablePtr dst,
GCPtr gc,
BoxPtr box,
int nbox,
int dx,
int dy,
Bool reverse,
Bool upsidedown, Pixel bitplane,
void *closure)
{
PixmapPtr dst_pixmap, src_pixmap, temp_pixmap = NULL;
DrawablePtr temp_src = src;
glamor_pixmap_private *dst_pixmap_priv, *src_pixmap_priv;
glamor_screen_private *glamor_priv;
BoxRec bound;
ScreenPtr screen;
int temp_dx = dx;
int temp_dy = dy;
int src_x_off, src_y_off, dst_x_off, dst_y_off;
int i;
int overlaped = 0;
Bool ret = FALSE;
dst_pixmap = glamor_get_drawable_pixmap(dst);
dst_pixmap_priv = glamor_get_pixmap_private(dst_pixmap);
src_pixmap = glamor_get_drawable_pixmap(src);
src_pixmap_priv = glamor_get_pixmap_private(src_pixmap);
screen = dst_pixmap->drawable.pScreen;
glamor_priv = glamor_get_screen_private(dst->pScreen);
glamor_get_drawable_deltas(src, src_pixmap, &src_x_off,
&src_y_off);
glamor_get_drawable_deltas(dst, dst_pixmap, &dst_x_off,
&dst_y_off);
if (src_pixmap_priv->base.fbo
&& src_pixmap_priv->base.fbo->fb == dst_pixmap_priv->base.fbo->fb) {
int x_shift = abs(src_x_off - dx - dst_x_off);
int y_shift = abs(src_y_off - dy - dst_y_off);
for (i = 0; i < nbox; i++) {
if (x_shift < abs(box[i].x2 - box[i].x1)
&& y_shift < abs(box[i].y2 - box[i].y1)) {
overlaped = 1;
break;
}
}
}
DEBUGF("Copy %d %d %dx%d dx %d dy %d from %p to %p \n",
box[0].x1, box[0].y1,
box[0].x2 - box[0].x1, box[0].y2 - box[0].y1,
dx, dy,
src_pixmap, dst_pixmap);
#ifndef GLAMOR_GLES2
if (!overlaped &&
(glamor_priv->state != RENDER_STATE
|| !src_pixmap_priv->base.gl_tex || !dst_pixmap_priv->base.gl_tex)
&& glamor_copy_n_to_n_fbo_blit(src, dst, gc, box, nbox, dx,
dy)) {
ret = TRUE;
goto done;
}
#endif
glamor_calculate_boxes_bound(&bound, box, nbox);
/* Overlaped indicate the src and dst are the same pixmap. */
if (overlaped || (!GLAMOR_PIXMAP_PRIV_HAS_FBO(src_pixmap_priv)
&& (((bound.x2 - bound.x1) * (bound.y2 - bound.y1)
* 4 >
src_pixmap->drawable.width *
src_pixmap->drawable.height)
|| !(glamor_check_fbo_size(glamor_priv,
src_pixmap->drawable.width,
src_pixmap->drawable.height))))) {
temp_pixmap = glamor_create_pixmap(screen,
bound.x2 - bound.x1,
bound.y2 - bound.y1,
src_pixmap->
drawable.depth,
overlaped ? 0 :
GLAMOR_CREATE_PIXMAP_CPU);
assert(bound.x2 - bound.x1 <= glamor_priv->max_fbo_size);
assert(bound.y2 - bound.y1 <= glamor_priv->max_fbo_size);
if (!temp_pixmap)
goto done;
glamor_translate_boxes(box, nbox, -bound.x1, -bound.y1);
temp_src = &temp_pixmap->drawable;
if (overlaped)
glamor_copy_n_to_n_textured(src, temp_src, gc, box,
nbox,
temp_dx + bound.x1,
temp_dy + bound.y1);
else
fbCopyNtoN(src, temp_src, gc, box, nbox,
temp_dx + bound.x1, temp_dy + bound.y1,
reverse, upsidedown, bitplane, closure);
glamor_translate_boxes(box, nbox, bound.x1, bound.y1);
temp_dx = -bound.x1;
temp_dy = -bound.y1;
} else {
temp_dx = dx;
temp_dy = dy;
temp_src = src;
}
if (glamor_copy_n_to_n_textured
(temp_src, dst, gc, box, nbox, temp_dx, temp_dy)) {
ret = TRUE;
}
done:
if (temp_src != src)
glamor_destroy_pixmap(temp_pixmap);
return ret;
}
static Bool
glamor_copy_n_to_n_textured(DrawablePtr src,
DrawablePtr dst,
GCPtr gc, BoxPtr box, int nbox, int dx, int dy)
{
glamor_screen_private *glamor_priv =
glamor_get_screen_private(dst->pScreen);
glamor_gl_dispatch *dispatch;
PixmapPtr src_pixmap = glamor_get_drawable_pixmap(src);
PixmapPtr dst_pixmap = glamor_get_drawable_pixmap(dst);
int i;
float vertices[8], texcoords[8];
glamor_pixmap_private *src_pixmap_priv;
glamor_pixmap_private *dst_pixmap_priv;
int src_x_off, src_y_off, dst_x_off, dst_y_off;
GLfloat dst_xscale, dst_yscale, src_xscale, src_yscale;
src_pixmap_priv = glamor_get_pixmap_private(src_pixmap);
dst_pixmap_priv = glamor_get_pixmap_private(dst_pixmap);
glamor_get_drawable_deltas(src, src_pixmap, &src_x_off,
&src_y_off);
glamor_get_drawable_deltas(dst, dst_pixmap, &dst_x_off,
&dst_y_off);
if (!src_pixmap_priv->base.gl_fbo) {
/* Optimize when the source doesn't have an FBO, just upload
the data directly to the dest FBO */
int src_stride = src_pixmap->devKind;
int bpp = src_pixmap->drawable.bitsPerPixel;
void *src_data = NULL;
if (src->bitsPerPixel != dst->bitsPerPixel) {
DEBUGF("Non-matching bpp\n");
return FALSE;
}
if (src->bitsPerPixel < 8) {
DEBUGF("bpp < 8\n");
return FALSE;
}
if (gc && !(gc->alu == GXcopy && glamor_pm_is_solid(src, gc->planemask))) {
DEBUGF("non gxcopy and solid\n");
return FALSE;
}
for (i = 0; i < nbox; i++) {
int x = box[i].x1 + dst_x_off;
int y = box[i].y1 + dst_y_off;
int w = box[i].x2 - box[i].x1;
int h = box[i].y2 - box[i].y1;
src_data = (char *)src_pixmap->devPrivate.ptr + (box[i].y1 + dy +
src_y_off) * src_stride +
(box[i].x1 + dx + src_x_off) * (bpp / 8);
if (!glamor_upload_sub_pixmap_to_texture(dst_pixmap,
x, y, w, h,
src_stride, src_data, 0)) {
ErrorF("Failed to upload the sub pixmap to dst\n");
return FALSE;
}
}
return TRUE;
}
pixmap_priv_get_dest_scale(dst_pixmap_priv, &dst_xscale, &dst_yscale);
pixmap_priv_get_scale(src_pixmap_priv, &src_xscale, &src_yscale);
dispatch = glamor_get_dispatch(glamor_priv);
glamor_set_destination_pixmap_priv_nc(dst_pixmap_priv);
dispatch->glVertexAttribPointer(GLAMOR_VERTEX_POS, 2, GL_FLOAT,
GL_FALSE, 2 * sizeof(float),
vertices);
dispatch->glEnableVertexAttribArray(GLAMOR_VERTEX_POS);
dx += src_x_off;
dy += src_y_off;
dispatch->glActiveTexture(GL_TEXTURE0);
dispatch->glBindTexture(GL_TEXTURE_2D,
src_pixmap_priv->base.fbo->tex);
#ifndef GLAMOR_GLES2
dispatch->glTexParameteri(GL_TEXTURE_2D,
GL_TEXTURE_WRAP_S,
GL_CLAMP_TO_BORDER);
dispatch->glTexParameteri(GL_TEXTURE_2D,
GL_TEXTURE_WRAP_T,
GL_CLAMP_TO_BORDER);
#endif
dispatch->glTexParameteri(GL_TEXTURE_2D,
GL_TEXTURE_MIN_FILTER,
GL_NEAREST);
dispatch->glTexParameteri(GL_TEXTURE_2D,
GL_TEXTURE_MAG_FILTER,
GL_NEAREST);
dispatch->glVertexAttribPointer(GLAMOR_VERTEX_SOURCE, 2,
GL_FLOAT, GL_FALSE,
2 * sizeof(float),
texcoords);
dispatch->glEnableVertexAttribArray(GLAMOR_VERTEX_SOURCE);
dispatch->glUseProgram(glamor_priv->finish_access_prog[0]);
dispatch->glUniform1i(glamor_priv->finish_access_revert[0],
REVERT_NONE);
dispatch->glUniform1i(glamor_priv->finish_access_swap_rb[0],
SWAP_NONE_UPLOADING);
for (i = 0; i < nbox; i++) {
glamor_set_normalize_vcoords(dst_pixmap_priv,
dst_xscale, dst_yscale,
box[i].x1 + dst_x_off,
box[i].y1 + dst_y_off,
box[i].x2 + dst_x_off,
box[i].y2 + dst_y_off,
glamor_priv->yInverted,
vertices);
glamor_set_normalize_tcoords(src_pixmap_priv,
src_xscale,
src_yscale,
box[i].x1 + dx,
box[i].y1 + dy,
box[i].x2 + dx,
box[i].y2 + dy,
glamor_priv->yInverted,
texcoords);
dispatch->glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
}
dispatch->glDisableVertexAttribArray(GLAMOR_VERTEX_POS);
dispatch->glDisableVertexAttribArray(GLAMOR_VERTEX_SOURCE);
/* The source texture is bound to a fbo, we have to flush it here. */
glamor_put_dispatch(glamor_priv);
glamor_priv->state = RENDER_STATE;
glamor_priv->render_idle_cnt = 0;
return TRUE;
}
void
glamor_set_destination_drawable(DrawablePtr drawable,
int box_index,
Bool do_drawable_translate,
Bool center_offset,
GLint matrix_uniform_location,
int *p_off_x,
int *p_off_y)
{
ScreenPtr screen = drawable->pScreen;
glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
PixmapPtr pixmap = glamor_get_drawable_pixmap(drawable);
glamor_pixmap_private *pixmap_priv = glamor_get_pixmap_private(pixmap);
int off_x, off_y;
BoxPtr box = glamor_pixmap_box_at(pixmap_priv, box_index);
int w = box->x2 - box->x1;
int h = box->y2 - box->y1;
float scale_x = 2.0f / (float) w;
float scale_y = 2.0f / (float) h;
float center_adjust = 0.0f;
glamor_get_drawable_deltas(drawable, pixmap, &off_x, &off_y);
off_x -= box->x1;
off_y -= box->y1;
if (p_off_x) {
*p_off_x = off_x;
*p_off_y = off_y;
}
/* A tricky computation to find the right value for the two linear functions
* that transform rendering coordinates to pixmap coordinates
*
* pixmap_x = render_x + drawable->x + off_x
* pixmap_y = render_y + drawable->y + off_y
*
* gl_x = pixmap_x * 2 / width - 1
* gl_y = pixmap_y * 2 / height - 1
*
* gl_x = (render_x + drawable->x + off_x) * 2 / width - 1
*
* gl_x = (render_x) * 2 / width + (drawable->x + off_x) * 2 / width - 1
*/
if (do_drawable_translate) {
off_x += drawable->x;
off_y += drawable->y;
}
/*
* To get GL_POINTS drawn in the right spot, we need to adjust the
* coordinates by 1/2 a pixel.
*/
if (center_offset)
center_adjust = 0.5f;
glUniform4f(matrix_uniform_location,
scale_x, (off_x + center_adjust) * scale_x - 1.0f,
scale_y, (off_y + center_adjust) * scale_y - 1.0f);
glamor_set_destination_pixmap_fbo(glamor_priv, glamor_pixmap_fbo_at(pixmap_priv, box_index),
0, 0, w, h);
}
/** @file glamor_fillspans.c
*
* GC fill implementation, based loosely on fb_fill.c
*/
Bool
glamor_fill(DrawablePtr drawable,
GCPtr gc, int x, int y, int width, int height, Bool fallback)
{
PixmapPtr dst_pixmap = glamor_get_drawable_pixmap(drawable);
int off_x, off_y;
PixmapPtr sub_pixmap = NULL;
glamor_access_t sub_pixmap_access;
DrawablePtr saved_drawable = NULL;
int saved_x = x, saved_y = y;
glamor_get_drawable_deltas(drawable, dst_pixmap, &off_x, &off_y);
switch (gc->fillStyle) {
case FillSolid:
if (!glamor_solid(dst_pixmap,
x + off_x,
y + off_y,
width, height, gc->alu, gc->planemask, gc->fgPixel))
goto fail;
break;
case FillStippled:
case FillOpaqueStippled:
if (!glamor_stipple(dst_pixmap,
gc->stipple,
x + off_x,
y + off_y,
width,
height,
gc->alu,
gc->planemask,
gc->fgPixel,
gc->bgPixel, gc->patOrg.x, gc->patOrg.y))
goto fail;
break;
case FillTiled:
if (!glamor_tile(dst_pixmap,
gc->tile.pixmap,
x + off_x,
y + off_y,
width,
height,
gc->alu,
gc->planemask,
x - drawable->x - gc->patOrg.x,
y - drawable->y - gc->patOrg.y))
goto fail;
break;
}
return TRUE;
fail:
if (!fallback) {
if (glamor_ddx_fallback_check_pixmap(&dst_pixmap->drawable)
&& glamor_ddx_fallback_check_gc(gc))
return FALSE;
}
/* Is it possible to set the access as WO? */
sub_pixmap_access = GLAMOR_ACCESS_RW;
sub_pixmap = glamor_get_sub_pixmap(dst_pixmap, x + off_x,
y + off_y, width, height,
sub_pixmap_access);
if (sub_pixmap != NULL) {
if (gc->fillStyle != FillSolid) {
gc->patOrg.x += (drawable->x - x);
gc->patOrg.y += (drawable->y - y);
}
saved_drawable = drawable;
drawable = &sub_pixmap->drawable;
saved_x = x;
saved_y = y;
x = 0;
y = 0;
}
if (glamor_prepare_access(drawable, GLAMOR_ACCESS_RW)) {
if (glamor_prepare_access_gc(gc)) {
fbFill(drawable, gc, x, y, width, height);
glamor_finish_access_gc(gc);
}
glamor_finish_access(drawable, GLAMOR_ACCESS_RW);
}
if (sub_pixmap != NULL) {
if (gc->fillStyle != FillSolid) {
gc->patOrg.x -= (saved_drawable->x - saved_x);
gc->patOrg.y -= (saved_drawable->y - saved_y);
}
x = saved_x;
y = saved_y;
glamor_put_sub_pixmap(sub_pixmap, dst_pixmap,
x + off_x, y + off_y,
width, height, sub_pixmap_access);
}
return TRUE;
}
static Bool
_glamor_set_spans(DrawablePtr drawable, GCPtr gc, char *src,
DDXPointPtr points, int *widths, int numPoints, int sorted,
Bool fallback)
{
PixmapPtr dest_pixmap = glamor_get_drawable_pixmap(drawable);
glamor_pixmap_private *dest_pixmap_priv;
int i;
uint8_t *drawpixels_src = (uint8_t *) src;
RegionPtr clip = fbGetCompositeClip(gc);
BoxRec *pbox;
int x_off, y_off;
Bool ret = FALSE;
dest_pixmap_priv = glamor_get_pixmap_private(dest_pixmap);
if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(dest_pixmap_priv)) {
glamor_fallback("pixmap has no fbo.\n");
goto fail;
}
/* XXX Shall we set alu here? */
if (!glamor_set_planemask(dest_pixmap, gc->planemask))
goto fail;
glamor_get_drawable_deltas(drawable, dest_pixmap, &x_off, &y_off);
for (i = 0; i < numPoints; i++) {
int n = REGION_NUM_RECTS(clip);
pbox = REGION_RECTS(clip);
while (n--) {
int x1 = points[i].x;
int x2 = x1 + widths[i];
int y1 = points[i].y;
if (pbox->y1 > points[i].y || pbox->y2 < points[i].y)
break;
x1 = x1 > pbox->x1 ? x1 : pbox->x1;
x2 = x2 < pbox->x2 ? x2 : pbox->x2;
if (x1 >= x2)
continue;
glamor_upload_sub_pixmap_to_texture(dest_pixmap, x1 + x_off,
y1 + y_off, x2 - x1, 1,
PixmapBytePad(widths[i],
drawable->depth),
drawpixels_src, 0);
}
drawpixels_src += PixmapBytePad(widths[i], drawable->depth);
}
ret = TRUE;
goto done;
fail:
if (!fallback && glamor_ddx_fallback_check_pixmap(drawable))
goto done;
glamor_fallback("to %p (%c)\n",
drawable, glamor_get_drawable_location(drawable));
if (glamor_prepare_access(drawable, GLAMOR_ACCESS_RW)) {
fbSetSpans(drawable, gc, src, points, widths, numPoints, sorted);
glamor_finish_access(drawable, GLAMOR_ACCESS_RW);
}
ret = TRUE;
done:
return ret;
}
/**
* Implements CopyPlane and CopyArea from the GPU to the GPU by using
* the source as a texture and painting that into the destination.
*
* This requires that source and dest are different textures, or that
* (if the copy area doesn't overlap), GL_NV_texture_barrier is used
* to ensure that the caches are flushed at the right times.
*/
static Bool
glamor_copy_cpu_fbo(DrawablePtr src,
DrawablePtr dst,
GCPtr gc,
BoxPtr box,
int nbox,
int dx,
int dy,
Bool reverse,
Bool upsidedown,
Pixel bitplane,
void *closure)
{
ScreenPtr screen = dst->pScreen;
glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
PixmapPtr dst_pixmap = glamor_get_drawable_pixmap(dst);
FbBits *src_bits;
FbStride src_stride;
int src_bpp;
int src_xoff, src_yoff;
int dst_xoff, dst_yoff;
if (gc && gc->alu != GXcopy)
goto bail;
if (gc && !glamor_pm_is_solid(gc->depth, gc->planemask))
goto bail;
glamor_make_current(glamor_priv);
glamor_prepare_access(src, GLAMOR_ACCESS_RO);
glamor_get_drawable_deltas(dst, dst_pixmap, &dst_xoff, &dst_yoff);
if (bitplane) {
PixmapPtr src_pix = fbCreatePixmap(screen, dst_pixmap->drawable.width,
dst_pixmap->drawable.height,
dst->depth, 0);
if (!src_pix) {
glamor_finish_access(src);
goto bail;
}
src_pix->drawable.x = -dst->x;
src_pix->drawable.y = -dst->y;
fbGetDrawable(&src_pix->drawable, src_bits, src_stride, src_bpp, src_xoff,
src_yoff);
if (src->bitsPerPixel > 1)
fbCopyNto1(src, &src_pix->drawable, gc, box, nbox, dx, dy,
reverse, upsidedown, bitplane, closure);
else
fbCopy1toN(src, &src_pix->drawable, gc, box, nbox, dx, dy,
reverse, upsidedown, bitplane, closure);
glamor_upload_boxes(dst_pixmap, box, nbox, src_xoff, src_yoff,
dst_xoff, dst_yoff, (uint8_t *) src_bits,
src_stride * sizeof(FbBits));
fbDestroyPixmap(src_pix);
} else {
fbGetDrawable(src, src_bits, src_stride, src_bpp, src_xoff, src_yoff);
glamor_upload_boxes(dst_pixmap, box, nbox, src_xoff + dx, src_yoff + dy,
dst_xoff, dst_yoff,
(uint8_t *) src_bits, src_stride * sizeof (FbBits));
}
glamor_finish_access(src);
return TRUE;
bail:
return FALSE;
}