1 files changed, 94 insertions, 0 deletions
diff --git a/src/gallium/winsys/g3dvl/nouveau/nouveau_swapbuffers.c b/src/gallium/winsys/g3dvl/nouveau/nouveau_swapbuffers.c
new file mode 100644
index 00000000000..864be37871f
--- /dev/null
+++ b/src/gallium/winsys/g3dvl/nouveau/nouveau_swapbuffers.c
@@ -0,0 +1,94 @@
+#include <driclient.h>
+#include <common/nouveau_local.h>
+#include <common/nouveau_screen.h>
+#include "nouveau_context_vl.h"
+#include "nouveau_swapbuffers.h"
+
+void
+nouveau_copy_buffer(dri_drawable_t *dri_drawable, struct pipe_surface *surf,
+		    const drm_clip_rect_t *rect)
+{
+	struct nouveau_context_vl	*nv = dri_drawable->private;
+	struct pipe_context		*pipe = nv->base.nvc->pctx[nv->base.pctx_id];
+	drm_clip_rect_t			*pbox;
+	int				nbox, i;
+
+	LOCK_HARDWARE(&nv->base);
+	if (!dri_drawable->num_cliprects) {
+		UNLOCK_HARDWARE(&nv->base);
+		return;
+	}
+	pbox = dri_drawable->cliprects;
+	nbox = dri_drawable->num_cliprects;
+
+	for (i = 0; i < nbox; i++, pbox++) {
+		int sx, sy, dx, dy, w, h;
+
+		sx = pbox->x1 - dri_drawable->x;
+		sy = pbox->y1 - dri_drawable->y;
+		dx = pbox->x1;
+		dy = pbox->y1;
+		w  = pbox->x2 - pbox->x1;
+		h  = pbox->y2 - pbox->y1;
+
+		pipe->surface_copy(pipe, FALSE, nv->base.frontbuffer,
+				   dx, dy, surf, sx, sy, w, h);
+	}
+
+	FIRE_RING(nv->base.nvc->channel);
+	UNLOCK_HARDWARE(&nv->base);
+}
+
+void
+nouveau_copy_sub_buffer(dri_drawable_t *dri_drawable, struct pipe_surface *surf, int x, int y, int w, int h)
+{
+	if (surf) {
+		drm_clip_rect_t rect;
+		rect.x1 = x;
+		rect.y1 = y;
+		rect.x2 = x + w;
+		rect.y2 = y + h;
+
+		nouveau_copy_buffer(dri_drawable, surf, &rect);
+	}
+}
+
+void
+nouveau_swap_buffers(dri_drawable_t *dri_drawable, struct pipe_surface *surf)
+{
+	if (surf)
+		nouveau_copy_buffer(dri_drawable, surf, NULL);
+}
+
+void
+nouveau_flush_frontbuffer(struct pipe_winsys *pws, struct pipe_surface *surf,
+			  void *context_private)
+{
+	struct nouveau_context_vl	*nv;
+	dri_drawable_t			*dri_drawable;
+
+	assert(pws);
+	assert(surf);
+	assert(context_private);
+
+	nv = context_private;
+	dri_drawable = nv->dri_drawable;
+
+	nouveau_copy_buffer(dri_drawable, surf, NULL);
+}
+
+void
+nouveau_contended_lock(struct nouveau_context *nv)
+{
+	struct nouveau_context_vl	*nv_vl = (struct nouveau_context_vl*)nv;
+	dri_drawable_t			*dri_drawable = nv_vl->dri_drawable;
+	dri_screen_t			*dri_screen = nv_vl->dri_context->dri_screen;
+
+	/* If the window moved, may need to set a new cliprect now.
+	 *
+	 * NOTE: This releases and regains the hw lock, so all state
+	 * checking must be done *after* this call:
+	 */
+	if (dri_drawable)
+		DRI_VALIDATE_DRAWABLE_INFO(dri_screen, dri_drawable);
+}