xserver-multidpi/glamor/glamor_copyarea.c
Zhigang Gong 1035fc72b9 Fixed all unused variables warnings.
Signed-off-by: Zhigang Gong <zhigang.gong@linux.intel.com>
2013-12-18 11:23:51 -08:00

482 lines
13 KiB
C

/*
* Copyright © 2008 Intel Corporation
* Copyright © 1998 Keith Packard
*
* 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 Keith Packard not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Keith Packard makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL KEITH PACKARD 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.
*
* Authors:
* Eric Anholt <eric@anholt.net>
* Zhigang Gong <zhigang.gong@linux.intel.com>
*/
#include "glamor_priv.h"
/** @file glamor_copyarea.c
*
* GC CopyArea implementation
*/
#ifndef GLAMOR_GLES2
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;
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;
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);
if (gc) {
if (gc->alu != GXcopy) {
glamor_delayed_fallback(screen, "non-copy ALU\n");
return FALSE;
}
if (!glamor_pm_is_solid(dst, gc->planemask)) {
glamor_delayed_fallback(screen,
"non-solid planemask\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;
dispatch = glamor_get_dispatch(glamor_priv);
dispatch->glBindFramebuffer(GL_READ_FRAMEBUFFER_EXT,
src_pixmap_priv->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);
src_y_off += dy;
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);
return TRUE;
}
#endif
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;
enum glamor_pixmap_status src_status = GLAMOR_NONE;
GLfloat dst_xscale, dst_yscale, src_xscale, src_yscale;
int alu = GXcopy;
src_pixmap_priv = glamor_get_pixmap_private(src_pixmap);
dst_pixmap_priv = glamor_get_pixmap_private(dst_pixmap);
if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(dst_pixmap_priv)) {
glamor_delayed_fallback(dst->pScreen, "dst has no fbo.\n");
return FALSE;
}
if (!src_pixmap_priv || !src_pixmap_priv->gl_fbo) {
#ifndef GLAMOR_PIXMAP_DYNAMIC_UPLOAD
glamor_delayed_fallback(dst->pScreen, "src has no fbo.\n");
return FALSE;
#else
src_status = glamor_upload_pixmap_to_texture(src_pixmap);
if (src_status != GLAMOR_UPLOAD_DONE)
return FALSE;
src_pixmap_priv = glamor_get_pixmap_private(src_pixmap);
#endif
}
if (gc) {
if (!glamor_set_planemask(dst_pixmap, gc->planemask))
return FALSE;
alu = gc->alu;
}
pixmap_priv_get_scale(dst_pixmap_priv, &dst_xscale, &dst_yscale);
pixmap_priv_get_scale(src_pixmap_priv, &src_xscale, &src_yscale);
glamor_get_drawable_deltas(dst, dst_pixmap, &dst_x_off,
&dst_y_off);
dispatch = glamor_get_dispatch(glamor_priv);
if (!glamor_set_alu(dispatch, alu)) {
glamor_put_dispatch(glamor_priv);
return FALSE;
}
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);
glamor_get_drawable_deltas(src, src_pixmap, &src_x_off,
&src_y_off);
dx += src_x_off;
dy += src_y_off;
pixmap_priv_get_scale(src_pixmap_priv, &src_xscale,
&src_yscale);
dispatch->glActiveTexture(GL_TEXTURE0);
dispatch->glBindTexture(GL_TEXTURE_2D,
src_pixmap_priv->fbo->tex);
#ifndef GLAMOR_GLES2
dispatch->glEnable(GL_TEXTURE_2D);
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_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_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);
#ifndef GLAMOR_GLES2
dispatch->glDisable(GL_TEXTURE_2D);
#endif
dispatch->glUseProgram(0);
/* The source texture is bound to a fbo, we have to flush it here. */
glamor_put_dispatch(glamor_priv);
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, Bool fallback)
{
glamor_access_t dst_access;
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;
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);
screen = dst_pixmap->drawable.pScreen;
glamor_priv = glamor_get_screen_private(dst->pScreen);
if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(dst_pixmap_priv)) {
glamor_fallback("dest pixmap %p has no fbo. \n",
dst_pixmap);
goto fail;
}
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);
if (src_pixmap_priv->fbo && src_pixmap_priv->fbo->fb == dst_pixmap_priv->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;
}
}
}
#ifndef GLAMOR_GLES2
if ((overlaped
|| !src_pixmap_priv->gl_tex || !dst_pixmap_priv->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))) {
temp_pixmap = glamor_create_pixmap(screen,
bound.x2 - bound.x1,
bound.y2 - bound.y1,
src_pixmap->
drawable.depth,
overlaped ? 0 :
GLAMOR_CREATE_PIXMAP_CPU);
if (!temp_pixmap)
goto fail;
glamor_transform_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_transform_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;
goto done;
}
fail:
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 (gc && gc->alu != GXcopy)
dst_access = GLAMOR_ACCESS_RW;
else
dst_access = GLAMOR_ACCESS_WO;
if (glamor_prepare_access(dst, GLAMOR_ACCESS_RW)) {
if (dst == src
|| glamor_prepare_access(src, GLAMOR_ACCESS_RO)) {
fbCopyNtoN(src, dst, gc, box, nbox,
dx, dy, reverse, upsidedown, bitplane,
closure);
if (dst != src)
glamor_finish_access(src, GLAMOR_ACCESS_RO);
}
glamor_finish_access(dst, GLAMOR_ACCESS_RW);
}
ret = TRUE;
done:
glamor_clear_delayed_fallbacks(src->pScreen);
glamor_clear_delayed_fallbacks(dst->pScreen);
if (temp_src != src)
glamor_destroy_pixmap(temp_pixmap);
return ret;
}
RegionPtr
glamor_copy_area(DrawablePtr src, DrawablePtr dst, GCPtr gc,
int srcx, int srcy, int width, int height, int dstx,
int dsty)
{
RegionPtr region;
region = miDoCopy(src, dst, gc,
srcx, srcy, width, height,
dstx, dsty, glamor_copy_n_to_n, 0, NULL);
return region;
}
void
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)
{
_glamor_copy_n_to_n(src, dst, gc, box, nbox, dx,
dy, reverse, upsidedown, bitplane, closure, TRUE);
}
Bool
glamor_copy_n_to_n_nf(DrawablePtr src,
DrawablePtr dst,
GCPtr gc,
BoxPtr box,
int nbox,
int dx,
int dy,
Bool reverse,
Bool upsidedown, Pixel bitplane,
void *closure)
{
return _glamor_copy_n_to_n(src, dst, gc, box, nbox, dx,
dy, reverse, upsidedown, bitplane, closure, FALSE);
}