Signed-off-by: Fredrik Höglund <fred...@kde.org>
---
src/gallium/state_trackers/egl/x11/native_dri2.c | 16 +++++++++-----
src/gallium/state_trackers/egl/x11/x11_screen.c | 24 ++++++++++++++++++++++
src/gallium/state_trackers/egl/x11/x11_screen.h | 5 ++++
3 files changed, 39 insertions(+), 6 deletions(-)
diff --git a/src/gallium/state_trackers/egl/x11/native_dri2.c
b/src/gallium/state_trackers/egl/x11/native_dri2.c
index 4754744..a976dd4 100644
--- a/src/gallium/state_trackers/egl/x11/native_dri2.c
+++ b/src/gallium/state_trackers/egl/x11/native_dri2.c
@@ -313,21 +313,22 @@ dri2_surface_flush_frontbuffer(struct native_surface
*nsurf)
}
static boolean
-dri2_surface_swap_buffers(struct native_surface *nsurf)
+dri2_surface_swap_buffers(struct native_surface *nsurf, int num_rects,
+ const int *rects)
{
struct dri2_surface *dri2surf = dri2_surface(nsurf);
struct dri2_display *dri2dpy = dri2surf->dri2dpy;
/* copy to front buffer */
if (dri2surf->have_back)
- x11_drawable_copy_buffers(dri2dpy->xscr, dri2surf->drawable,
- 0, 0, dri2surf->width, dri2surf->height,
+ x11_drawable_copy_buffers_region(dri2dpy->xscr, dri2surf->drawable,
+ num_rects, rects,
DRI2BufferBackLeft, DRI2BufferFrontLeft);
/* and update fake front buffer */
if (dri2surf->have_fake)
- x11_drawable_copy_buffers(dri2dpy->xscr, dri2surf->drawable,
- 0, 0, dri2surf->width, dri2surf->height,
+ x11_drawable_copy_buffers_region(dri2dpy->xscr, dri2surf->drawable,
+ num_rects, rects,
DRI2BufferFrontLeft, DRI2BufferFakeFrontLeft);
/* force buffers to be updated in next validation call */
@@ -354,7 +355,7 @@ dri2_surface_present(struct native_surface *nsurf,
ret = dri2_surface_flush_frontbuffer(nsurf);
break;
case NATIVE_ATTACHMENT_BACK_LEFT:
- ret = dri2_surface_swap_buffers(nsurf);
+ ret = dri2_surface_swap_buffers(nsurf, ctrl->num_rects, ctrl->rects);
break;
default:
ret = FALSE;
@@ -722,6 +723,9 @@ dri2_display_get_param(struct native_display *ndpy,
/* DRI2CopyRegion is used */
val = TRUE;
break;
+ case NATIVE_PARAM_PRESENT_REGION:
+ val = TRUE;
+ break;
case NATIVE_PARAM_MAX_SWAP_INTERVAL:
default:
val = 0;
diff --git a/src/gallium/state_trackers/egl/x11/x11_screen.c
b/src/gallium/state_trackers/egl/x11/x11_screen.c
index 6155b4d..45b5464 100644
--- a/src/gallium/state_trackers/egl/x11/x11_screen.c
+++ b/src/gallium/state_trackers/egl/x11/x11_screen.c
@@ -341,6 +341,30 @@ x11_drawable_enable_dri2(struct x11_screen *xscr,
* Copy between buffers of the DRI2 drawable.
*/
void
+x11_drawable_copy_buffers_region(struct x11_screen *xscr, Drawable drawable,
+ int num_rects, const int *rects,
+ int src_buf, int dst_buf)
+{
+ XserverRegion region;
+ XRectangle *rectangles = CALLOC(num_rects, sizeof(XRectangle));
+
+ for (int i = 0; i < num_rects; i++) {
+ rectangles[i].x = rects[i * 4 + 0];
+ rectangles[i].y = rects[i * 4 + 1];
+ rectangles[i].width = rects[i * 4 + 2];
+ rectangles[i].height = rects[i * 4 + 3];
+ }
+
+ region = XFixesCreateRegion(xscr->dpy, rectangles, num_rects);
+ DRI2CopyRegion(xscr->dpy, drawable, region, dst_buf, src_buf);
+ XFixesDestroyRegion(xscr->dpy, region);
+ FREE(rectangles);
+}
+
+/**
+ * Copy between buffers of the DRI2 drawable.
+ */
+void
x11_drawable_copy_buffers(struct x11_screen *xscr, Drawable drawable,
int x, int y, int width, int height,
int src_buf, int dst_buf)
diff --git a/src/gallium/state_trackers/egl/x11/x11_screen.h
b/src/gallium/state_trackers/egl/x11/x11_screen.h
index acf1300..1fa3464 100644
--- a/src/gallium/state_trackers/egl/x11/x11_screen.h
+++ b/src/gallium/state_trackers/egl/x11/x11_screen.h
@@ -112,6 +112,11 @@ x11_drawable_copy_buffers(struct x11_screen *xscr,
Drawable drawable,
int x, int y, int width, int height,
int src_buf, int dst_buf);
+void
+x11_drawable_copy_buffers_region(struct x11_screen *xscr, Drawable drawable,
+ int num_rects, const int *rects,
+ int src_buf, int dst_buf);
+
struct x11_drawable_buffer *
x11_drawable_get_buffers(struct x11_screen *xscr, Drawable drawable,
int *width, int *height, unsigned int *attachments,
--
1.7.7.3
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