summaryrefslogtreecommitdiff
path: root/src/gallium/winsys/drm/nouveau/dri/nouveau_swapbuffers.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/gallium/winsys/drm/nouveau/dri/nouveau_swapbuffers.c')
-rw-r--r--src/gallium/winsys/drm/nouveau/dri/nouveau_swapbuffers.c113
1 files changed, 113 insertions, 0 deletions
diff --git a/src/gallium/winsys/drm/nouveau/dri/nouveau_swapbuffers.c b/src/gallium/winsys/drm/nouveau/dri/nouveau_swapbuffers.c
new file mode 100644
index 0000000000..58cb6f7265
--- /dev/null
+++ b/src/gallium/winsys/drm/nouveau/dri/nouveau_swapbuffers.c
@@ -0,0 +1,113 @@
+#include <main/glheader.h>
+#include <glapi/glthread.h>
+#include <GL/internal/glcore.h>
+
+#include <pipe/p_context.h>
+#include <state_tracker/st_public.h>
+#include <state_tracker/st_context.h>
+#include <state_tracker/st_cb_fbo.h>
+
+#include "../common/nouveau_local.h"
+#include "nouveau_context_dri.h"
+#include "nouveau_screen_dri.h"
+#include "nouveau_swapbuffers.h"
+
+void
+nouveau_copy_buffer(__DRIdrawablePrivate *dPriv, struct pipe_surface *surf,
+ const drm_clip_rect_t *rect)
+{
+ struct nouveau_context_dri *nv = dPriv->driContextPriv->driverPrivate;
+ 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 (!dPriv->numClipRects) {
+ UNLOCK_HARDWARE(&nv->base);
+ return;
+ }
+ pbox = dPriv->pClipRects;
+ nbox = dPriv->numClipRects;
+
+ for (i = 0; i < nbox; i++, pbox++) {
+ int sx, sy, dx, dy, w, h;
+
+ sx = pbox->x1 - dPriv->x;
+ sy = pbox->y1 - dPriv->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);
+
+ if (nv->last_stamp != dPriv->lastStamp) {
+ struct nouveau_framebuffer *nvfb = dPriv->driverPrivate;
+ st_resize_framebuffer(nvfb->stfb, dPriv->w, dPriv->h);
+ nv->last_stamp = dPriv->lastStamp;
+ }
+}
+
+void
+nouveau_copy_sub_buffer(__DRIdrawablePrivate *dPriv, int x, int y, int w, int h)
+{
+ struct nouveau_framebuffer *nvfb = dPriv->driverPrivate;
+ struct pipe_surface *surf;
+
+ st_get_framebuffer_surface(nvfb->stfb, ST_SURFACE_BACK_LEFT, &surf);
+ if (surf) {
+ drm_clip_rect_t rect;
+ rect.x1 = x;
+ rect.y1 = y;
+ rect.x2 = x + w;
+ rect.y2 = y + h;
+
+ st_notify_swapbuffers(nvfb->stfb);
+ nouveau_copy_buffer(dPriv, surf, &rect);
+ }
+}
+
+void
+nouveau_swap_buffers(__DRIdrawablePrivate *dPriv)
+{
+ struct nouveau_framebuffer *nvfb = dPriv->driverPrivate;
+ struct pipe_surface *surf;
+
+ st_get_framebuffer_surface(nvfb->stfb, ST_SURFACE_BACK_LEFT, &surf);
+ if (surf) {
+ st_notify_swapbuffers(nvfb->stfb);
+ nouveau_copy_buffer(dPriv, surf, NULL);
+ }
+}
+
+void
+nouveau_flush_frontbuffer(struct pipe_winsys *pws, struct pipe_surface *surf,
+ void *context_private)
+{
+ struct nouveau_context_dri *nv = context_private;
+ __DRIdrawablePrivate *dPriv = nv->dri_drawable;
+
+ nouveau_copy_buffer(dPriv, surf, NULL);
+}
+
+void
+nouveau_contended_lock(struct nouveau_context *nv)
+{
+ struct nouveau_context_dri *nv_sub = (struct nouveau_context_dri*)nv;
+ __DRIdrawablePrivate *dPriv = nv_sub->dri_drawable;
+ __DRIscreenPrivate *sPriv = nv_sub->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 (dPriv)
+ DRI_VALIDATE_DRAWABLE_INFO(sPriv, dPriv);
+}
+