#include <fcntl.h>
#include <stdlib.h>
#include <unistd.h>
+#include <string.h>
#include <X11/xshmfence.h>
#include <xcb/xcb.h>
#include <X11/Xlib-xcb.h>
#include "loader_dri3_helper.h"
+#include "util/macros.h"
+#include "drm-uapi/drm_fourcc.h"
/* From xmlpool/options.h, user exposed so should be stable */
#define DRI_CONF_VBLANK_NEVER 0
#define DRI_CONF_VBLANK_DEF_INTERVAL_1 2
#define DRI_CONF_VBLANK_ALWAYS_SYNC 3
+/**
+ * A cached blit context.
+ */
+struct loader_dri3_blit_context {
+ mtx_t mtx;
+ __DRIcontext *ctx;
+ __DRIscreen *cur_screen;
+ const __DRIcoreExtension *core;
+};
+
+/* For simplicity we maintain the cache only for a single screen at a time */
+static struct loader_dri3_blit_context blit_context = {
+ _MTX_INITIALIZER_NP, NULL
+};
+
+static void
+dri3_flush_present_events(struct loader_dri3_drawable *draw);
+
+static struct loader_dri3_buffer *
+dri3_find_back_alloc(struct loader_dri3_drawable *draw);
+
+static xcb_screen_t *
+get_screen_for_root(xcb_connection_t *conn, xcb_window_t root)
+{
+ xcb_screen_iterator_t screen_iter =
+ xcb_setup_roots_iterator(xcb_get_setup(conn));
+
+ for (; screen_iter.rem; xcb_screen_next (&screen_iter)) {
+ if (screen_iter.data->root == root)
+ return screen_iter.data;
+ }
+
+ return NULL;
+}
+
+static xcb_visualtype_t *
+get_xcb_visualtype_for_depth(struct loader_dri3_drawable *draw, int depth)
+{
+ xcb_visualtype_iterator_t visual_iter;
+ xcb_screen_t *screen = draw->screen;
+ xcb_depth_iterator_t depth_iter;
+
+ if (!screen)
+ return NULL;
+
+ depth_iter = xcb_screen_allowed_depths_iterator(screen);
+ for (; depth_iter.rem; xcb_depth_next(&depth_iter)) {
+ if (depth_iter.data->depth != depth)
+ continue;
+
+ visual_iter = xcb_depth_visuals_iterator(depth_iter.data);
+ if (visual_iter.rem)
+ return visual_iter.data;
+ }
+
+ return NULL;
+}
+
+/* Sets the adaptive sync window property state. */
+static void
+set_adaptive_sync_property(xcb_connection_t *conn, xcb_drawable_t drawable,
+ uint32_t state)
+{
+ static char const name[] = "_VARIABLE_REFRESH";
+ xcb_intern_atom_cookie_t cookie;
+ xcb_intern_atom_reply_t* reply;
+ xcb_void_cookie_t check;
+
+ cookie = xcb_intern_atom(conn, 0, strlen(name), name);
+ reply = xcb_intern_atom_reply(conn, cookie, NULL);
+ if (reply == NULL)
+ return;
+
+ if (state)
+ check = xcb_change_property_checked(conn, XCB_PROP_MODE_REPLACE,
+ drawable, reply->atom,
+ XCB_ATOM_CARDINAL, 32, 1, &state);
+ else
+ check = xcb_delete_property_checked(conn, drawable, reply->atom);
+
+ xcb_discard_reply(conn, check.sequence);
+ free(reply);
+}
+
+/* Get red channel mask for given drawable at given depth. */
+static unsigned int
+dri3_get_red_mask_for_depth(struct loader_dri3_drawable *draw, int depth)
+{
+ xcb_visualtype_t *visual = get_xcb_visualtype_for_depth(draw, depth);
+
+ if (visual)
+ return visual->red_mask;
+
+ return 0;
+}
+
+/**
+ * Do we have blit functionality in the image blit extension?
+ *
+ * \param draw[in] The drawable intended to blit from / to.
+ * \return true if we have blit functionality. false otherwise.
+ */
+static bool loader_dri3_have_image_blit(const struct loader_dri3_drawable *draw)
+{
+ return draw->ext->image->base.version >= 9 &&
+ draw->ext->image->blitImage != NULL;
+}
+
+/**
+ * Get and lock (for use with the current thread) a dri context associated
+ * with the drawable's dri screen. The context is intended to be used with
+ * the dri image extension's blitImage method.
+ *
+ * \param draw[in] Pointer to the drawable whose dri screen we want a
+ * dri context for.
+ * \return A dri context or NULL if context creation failed.
+ *
+ * When the caller is done with the context (even if the context returned was
+ * NULL), the caller must call loader_dri3_blit_context_put.
+ */
+static __DRIcontext *
+loader_dri3_blit_context_get(struct loader_dri3_drawable *draw)
+{
+ mtx_lock(&blit_context.mtx);
+
+ if (blit_context.ctx && blit_context.cur_screen != draw->dri_screen) {
+ blit_context.core->destroyContext(blit_context.ctx);
+ blit_context.ctx = NULL;
+ }
+
+ if (!blit_context.ctx) {
+ blit_context.ctx = draw->ext->core->createNewContext(draw->dri_screen,
+ NULL, NULL, NULL);
+ blit_context.cur_screen = draw->dri_screen;
+ blit_context.core = draw->ext->core;
+ }
+
+ return blit_context.ctx;
+}
+
+/**
+ * Release (for use with other threads) a dri context previously obtained using
+ * loader_dri3_blit_context_get.
+ */
+static void
+loader_dri3_blit_context_put(void)
+{
+ mtx_unlock(&blit_context.mtx);
+}
+
+/**
+ * Blit (parts of) the contents of a DRI image to another dri image
+ *
+ * \param draw[in] The drawable which owns the images.
+ * \param dst[in] The destination image.
+ * \param src[in] The source image.
+ * \param dstx0[in] Start destination coordinate.
+ * \param dsty0[in] Start destination coordinate.
+ * \param width[in] Blit width.
+ * \param height[in] Blit height.
+ * \param srcx0[in] Start source coordinate.
+ * \param srcy0[in] Start source coordinate.
+ * \param flush_flag[in] Image blit flush flag.
+ * \return true iff successful.
+ */
+static bool
+loader_dri3_blit_image(struct loader_dri3_drawable *draw,
+ __DRIimage *dst, __DRIimage *src,
+ int dstx0, int dsty0, int width, int height,
+ int srcx0, int srcy0, int flush_flag)
+{
+ __DRIcontext *dri_context;
+ bool use_blit_context = false;
+
+ if (!loader_dri3_have_image_blit(draw))
+ return false;
+
+ dri_context = draw->vtable->get_dri_context(draw);
+
+ if (!dri_context || !draw->vtable->in_current_context(draw)) {
+ dri_context = loader_dri3_blit_context_get(draw);
+ use_blit_context = true;
+ flush_flag |= __BLIT_FLAG_FLUSH;
+ }
+
+ if (dri_context)
+ draw->ext->image->blitImage(dri_context, dst, src, dstx0, dsty0,
+ width, height, srcx0, srcy0,
+ width, height, flush_flag);
+
+ if (use_blit_context)
+ loader_dri3_blit_context_put();
+
+ return dri_context != NULL;
+}
+
static inline void
dri3_fence_reset(xcb_connection_t *c, struct loader_dri3_buffer *buffer)
{
}
static inline void
-dri3_fence_await(xcb_connection_t *c, struct loader_dri3_buffer *buffer)
+dri3_fence_await(xcb_connection_t *c, struct loader_dri3_drawable *draw,
+ struct loader_dri3_buffer *buffer)
{
xcb_flush(c);
xshmfence_await(buffer->shm_fence);
+ if (draw) {
+ mtx_lock(&draw->mtx);
+ dri3_flush_present_events(draw);
+ mtx_unlock(&draw->mtx);
+ }
}
static void
dri3_update_num_back(struct loader_dri3_drawable *draw)
{
- draw->num_back = 1;
- if (draw->flipping) {
- if (!draw->is_pixmap &&
- !(draw->present_capabilities & XCB_PRESENT_CAPABILITY_ASYNC))
- draw->num_back++;
- draw->num_back++;
- }
- if (draw->vtable->get_swap_interval(draw) == 0)
- draw->num_back++;
+ if (draw->last_present_mode == XCB_PRESENT_COMPLETE_MODE_FLIP)
+ draw->num_back = 3;
+ else
+ draw->num_back = 2;
}
void
loader_dri3_set_swap_interval(struct loader_dri3_drawable *draw, int interval)
{
- interval = draw->vtable->clamp_swap_interval(draw, interval);
- draw->vtable->set_swap_interval(draw, interval);
- dri3_update_num_back(draw);
+ draw->swap_interval = interval;
}
/** dri3_free_render_buffer
xcb_free_pixmap(draw->conn, buffer->pixmap);
xcb_sync_destroy_fence(draw->conn, buffer->sync_fence);
xshmfence_unmap_shm(buffer->shm_fence);
- (draw->ext->image->destroyImage)(buffer->image);
+ draw->ext->image->destroyImage(buffer->image);
if (buffer->linear_buffer)
- (draw->ext->image->destroyImage)(buffer->linear_buffer);
+ draw->ext->image->destroyImage(buffer->linear_buffer);
free(buffer);
}
{
int i;
- (draw->ext->core->destroyDrawable)(draw->dri_drawable);
+ draw->ext->core->destroyDrawable(draw->dri_drawable);
- for (i = 0; i < LOADER_DRI3_NUM_BUFFERS; i++) {
+ for (i = 0; i < ARRAY_SIZE(draw->buffers); i++) {
if (draw->buffers[i])
dri3_free_render_buffer(draw, draw->buffers[i]);
}
- if (draw->special_event)
+ if (draw->special_event) {
+ xcb_void_cookie_t cookie =
+ xcb_present_select_input_checked(draw->conn, draw->eid, draw->drawable,
+ XCB_PRESENT_EVENT_MASK_NO_EVENT);
+
+ xcb_discard_reply(draw->conn, cookie.sequence);
xcb_unregister_for_special_event(draw->conn, draw->special_event);
+ }
+
+ cnd_destroy(&draw->event_cnd);
+ mtx_destroy(&draw->mtx);
}
int
xcb_drawable_t drawable,
__DRIscreen *dri_screen,
bool is_different_gpu,
+ bool multiplanes_available,
const __DRIconfig *dri_config,
struct loader_dri3_extensions *ext,
- struct loader_dri3_vtable *vtable,
+ const struct loader_dri3_vtable *vtable,
struct loader_dri3_drawable *draw)
{
xcb_get_geometry_cookie_t cookie;
draw->drawable = drawable;
draw->dri_screen = dri_screen;
draw->is_different_gpu = is_different_gpu;
+ draw->multiplanes_available = multiplanes_available;
draw->have_back = 0;
draw->have_fake_front = 0;
draw->first_init = true;
+ draw->adaptive_sync = false;
+ draw->adaptive_sync_active = false;
+
+ draw->cur_blit_source = -1;
+ draw->back_format = __DRI_IMAGE_FORMAT_NONE;
+ mtx_init(&draw->mtx, mtx_plain);
+ cnd_init(&draw->event_cnd);
+
+ if (draw->ext->config) {
+ unsigned char adaptive_sync = 0;
- if (draw->ext->config)
draw->ext->config->configQueryi(draw->dri_screen,
"vblank_mode", &vblank_mode);
+ draw->ext->config->configQueryb(draw->dri_screen,
+ "adaptive_sync",
+ &adaptive_sync);
+
+ draw->adaptive_sync = adaptive_sync;
+ }
+
+ if (!draw->adaptive_sync)
+ set_adaptive_sync_property(conn, draw->drawable, false);
+
switch (vblank_mode) {
case DRI_CONF_VBLANK_NEVER:
case DRI_CONF_VBLANK_DEF_INTERVAL_0:
swap_interval = 1;
break;
}
- draw->vtable->set_swap_interval(draw, swap_interval);
+ draw->swap_interval = swap_interval;
dri3_update_num_back(draw);
/* Create a new drawable */
draw->dri_drawable =
- (draw->ext->image_driver->createNewDrawable)(dri_screen,
- dri_config,
- draw);
+ draw->ext->image_driver->createNewDrawable(dri_screen,
+ dri_config,
+ draw);
if (!draw->dri_drawable)
return 1;
return 1;
}
+ draw->screen = get_screen_for_root(draw->conn, reply->root);
draw->width = reply->width;
draw->height = reply->height;
draw->depth = reply->depth;
draw->vtable->set_drawable_size(draw, draw->width, draw->height);
free(reply);
+ draw->swap_method = __DRI_ATTRIB_SWAP_UNDEFINED;
+ if (draw->ext->core->base.version >= 2) {
+ (void )draw->ext->core->getConfigAttrib(dri_config,
+ __DRI_ATTRIB_SWAP_METHOD,
+ &draw->swap_method);
+ }
+
/*
* Make sure server has the same swap interval we do for the new
* drawable.
draw->width = ce->width;
draw->height = ce->height;
draw->vtable->set_drawable_size(draw, draw->width, draw->height);
+ draw->ext->flush->invalidate(draw->dri_drawable);
break;
}
case XCB_PRESENT_COMPLETE_NOTIFY: {
* checking for wrap.
*/
if (ce->kind == XCB_PRESENT_COMPLETE_KIND_PIXMAP) {
- draw->recv_sbc = (draw->send_sbc & 0xffffffff00000000LL) | ce->serial;
- if (draw->recv_sbc > draw->send_sbc)
- draw->recv_sbc -= 0x100000000;
- switch (ce->mode) {
- case XCB_PRESENT_COMPLETE_MODE_FLIP:
- draw->flipping = true;
- break;
- case XCB_PRESENT_COMPLETE_MODE_COPY:
- draw->flipping = false;
- break;
+ uint64_t recv_sbc = (draw->send_sbc & 0xffffffff00000000LL) | ce->serial;
+
+ /* Only assume wraparound if that results in exactly the previous
+ * SBC + 1, otherwise ignore received SBC > sent SBC (those are
+ * probably from a previous loader_dri3_drawable instance) to avoid
+ * calculating bogus target MSC values in loader_dri3_swap_buffers_msc
+ */
+ if (recv_sbc <= draw->send_sbc)
+ draw->recv_sbc = recv_sbc;
+ else if (recv_sbc == (draw->recv_sbc + 0x100000001ULL))
+ draw->recv_sbc = recv_sbc - 0x100000000ULL;
+
+ /* When moving from flip to copy, we assume that we can allocate in
+ * a more optimal way if we don't need to cater for the display
+ * controller.
+ */
+ if (ce->mode == XCB_PRESENT_COMPLETE_MODE_COPY &&
+ draw->last_present_mode == XCB_PRESENT_COMPLETE_MODE_FLIP) {
+ for (int b = 0; b < ARRAY_SIZE(draw->buffers); b++) {
+ if (draw->buffers[b])
+ draw->buffers[b]->reallocate = true;
+ }
+ }
+
+ /* If the server tells us that our allocation is suboptimal, we
+ * reallocate once.
+ */
+#ifdef HAVE_DRI3_MODIFIERS
+ if (ce->mode == XCB_PRESENT_COMPLETE_MODE_SUBOPTIMAL_COPY &&
+ draw->last_present_mode != ce->mode) {
+ for (int b = 0; b < ARRAY_SIZE(draw->buffers); b++) {
+ if (draw->buffers[b])
+ draw->buffers[b]->reallocate = true;
+ }
}
- dri3_update_num_back(draw);
+#endif
+ draw->last_present_mode = ce->mode;
if (draw->vtable->show_fps)
draw->vtable->show_fps(draw, ce->ust);
draw->ust = ce->ust;
draw->msc = ce->msc;
- } else {
- draw->recv_msc_serial = ce->serial;
+ } else if (ce->serial == draw->eid) {
draw->notify_ust = ce->ust;
draw->notify_msc = ce->msc;
}
xcb_present_idle_notify_event_t *ie = (void *) ge;
int b;
- for (b = 0; b < sizeof(draw->buffers) / sizeof(draw->buffers[0]); b++) {
+ for (b = 0; b < ARRAY_SIZE(draw->buffers); b++) {
struct loader_dri3_buffer *buf = draw->buffers[b];
- if (buf && buf->pixmap == ie->pixmap) {
+ if (buf && buf->pixmap == ie->pixmap)
buf->busy = 0;
- if (draw->num_back <= b && b < LOADER_DRI3_MAX_BACK) {
- dri3_free_render_buffer(draw, buf);
- draw->buffers[b] = NULL;
- }
- break;
- }
}
break;
}
}
static bool
-dri3_wait_for_event(struct loader_dri3_drawable *draw)
+dri3_wait_for_event_locked(struct loader_dri3_drawable *draw)
{
xcb_generic_event_t *ev;
xcb_present_generic_event_t *ge;
xcb_flush(draw->conn);
- ev = xcb_wait_for_special_event(draw->conn, draw->special_event);
+
+ /* Only have one thread waiting for events at a time */
+ if (draw->has_event_waiter) {
+ cnd_wait(&draw->event_cnd, &draw->mtx);
+ /* Another thread has updated the protected info, so retest. */
+ return true;
+ } else {
+ draw->has_event_waiter = true;
+ /* Allow other threads access to the drawable while we're waiting. */
+ mtx_unlock(&draw->mtx);
+ ev = xcb_wait_for_special_event(draw->conn, draw->special_event);
+ mtx_lock(&draw->mtx);
+ draw->has_event_waiter = false;
+ cnd_broadcast(&draw->event_cnd);
+ }
if (!ev)
return false;
ge = (void *) ev;
int64_t divisor, int64_t remainder,
int64_t *ust, int64_t *msc, int64_t *sbc)
{
- uint32_t msc_serial;
-
- msc_serial = ++draw->send_msc_serial;
- xcb_present_notify_msc(draw->conn,
- draw->drawable,
- msc_serial,
- target_msc,
- divisor,
- remainder);
+ xcb_void_cookie_t cookie = xcb_present_notify_msc(draw->conn,
+ draw->drawable,
+ draw->eid,
+ target_msc,
+ divisor,
+ remainder);
+ xcb_generic_event_t *ev;
+ unsigned full_sequence;
+ mtx_lock(&draw->mtx);
xcb_flush(draw->conn);
/* Wait for the event */
- if (draw->special_event) {
- while ((int32_t) (msc_serial - draw->recv_msc_serial) > 0) {
- if (!dri3_wait_for_event(draw))
- return false;
+ do {
+ ev = xcb_wait_for_special_event(draw->conn, draw->special_event);
+ if (!ev) {
+ mtx_unlock(&draw->mtx);
+ return false;
}
- }
+
+ full_sequence = ev->full_sequence;
+ dri3_handle_present_event(draw, (void *) ev);
+ } while (full_sequence != cookie.sequence || draw->notify_msc < target_msc);
*ust = draw->notify_ust;
*msc = draw->notify_msc;
*sbc = draw->recv_sbc;
+ mtx_unlock(&draw->mtx);
return true;
}
* swaps requested with glXSwapBuffersMscOML for that window have
* completed."
*/
+ mtx_lock(&draw->mtx);
if (!target_sbc)
target_sbc = draw->send_sbc;
while (draw->recv_sbc < target_sbc) {
- if (!dri3_wait_for_event(draw))
+ if (!dri3_wait_for_event_locked(draw)) {
+ mtx_unlock(&draw->mtx);
return 0;
+ }
}
*ust = draw->ust;
*msc = draw->msc;
*sbc = draw->recv_sbc;
+ mtx_unlock(&draw->mtx);
return 1;
}
dri3_find_back(struct loader_dri3_drawable *draw)
{
int b;
- xcb_generic_event_t *ev;
- xcb_present_generic_event_t *ge;
+ int num_to_consider;
+
+ mtx_lock(&draw->mtx);
+ /* Increase the likelyhood of reusing current buffer */
+ dri3_flush_present_events(draw);
+
+ /* Check whether we need to reuse the current back buffer as new back.
+ * In that case, wait until it's not busy anymore.
+ */
+ num_to_consider = draw->num_back;
+ if (!loader_dri3_have_image_blit(draw) && draw->cur_blit_source != -1) {
+ num_to_consider = 1;
+ draw->cur_blit_source = -1;
+ }
for (;;) {
- for (b = 0; b < draw->num_back; b++) {
+ for (b = 0; b < num_to_consider; b++) {
int id = LOADER_DRI3_BACK_ID((b + draw->cur_back) % draw->num_back);
struct loader_dri3_buffer *buffer = draw->buffers[id];
if (!buffer || !buffer->busy) {
draw->cur_back = id;
+ mtx_unlock(&draw->mtx);
return id;
}
}
- xcb_flush(draw->conn);
- ev = xcb_wait_for_special_event(draw->conn, draw->special_event);
- if (!ev)
+ if (!dri3_wait_for_event_locked(draw)) {
+ mtx_unlock(&draw->mtx);
return -1;
- ge = (void *) ev;
- dri3_handle_present_event(draw, ge);
+ }
}
}
{
struct loader_dri3_buffer *back;
unsigned flags = __DRI2_FLUSH_DRAWABLE;
- __DRIcontext *dri_context;
-
- dri_context = draw->vtable->get_dri_context(draw);
/* Check we have the right attachments */
if (!draw->have_back || draw->is_pixmap)
flags |= __DRI2_FLUSH_CONTEXT;
loader_dri3_flush(draw, flags, __DRI2_THROTTLE_SWAPBUFFER);
- back = dri3_back_buffer(draw);
+ back = dri3_find_back_alloc(draw);
+ if (!back)
+ return;
+
y = draw->height - y - height;
- if (draw->is_different_gpu && draw->vtable->in_current_context(draw)) {
+ if (draw->is_different_gpu) {
/* Update the linear buffer part of the back buffer
* for the dri3_copy_area operation
*/
- draw->ext->image->blitImage(dri_context,
- back->linear_buffer,
- back->image,
- 0, 0, back->width,
- back->height,
- 0, 0, back->width,
- back->height, __BLIT_FLAG_FLUSH);
- /* We use blitImage to update our fake front,
- */
- if (draw->have_fake_front)
- draw->ext->image->blitImage(dri_context,
- dri3_fake_front_buffer(draw)->image,
- back->image,
- x, y, width, height,
- x, y, width, height, __BLIT_FLAG_FLUSH);
+ (void) loader_dri3_blit_image(draw,
+ back->linear_buffer,
+ back->image,
+ 0, 0, back->width, back->height,
+ 0, 0, __BLIT_FLAG_FLUSH);
}
+ loader_dri3_swapbuffer_barrier(draw);
dri3_fence_reset(draw->conn, back);
dri3_copy_area(draw->conn,
- dri3_back_buffer(draw)->pixmap,
+ back->pixmap,
draw->drawable,
dri3_drawable_gc(draw),
x, y, x, y, width, height);
/* Refresh the fake front (if present) after we just damaged the real
* front.
*/
- if (draw->have_fake_front && !draw->is_different_gpu) {
+ if (draw->have_fake_front &&
+ !loader_dri3_blit_image(draw,
+ dri3_fake_front_buffer(draw)->image,
+ back->image,
+ x, y, width, height,
+ x, y, __BLIT_FLAG_FLUSH) &&
+ !draw->is_different_gpu) {
dri3_fence_reset(draw->conn, dri3_fake_front_buffer(draw));
dri3_copy_area(draw->conn,
- dri3_back_buffer(draw)->pixmap,
+ back->pixmap,
dri3_fake_front_buffer(draw)->pixmap,
dri3_drawable_gc(draw),
x, y, x, y, width, height);
dri3_fence_trigger(draw->conn, dri3_fake_front_buffer(draw));
- dri3_fence_await(draw->conn, dri3_fake_front_buffer(draw));
+ dri3_fence_await(draw->conn, NULL, dri3_fake_front_buffer(draw));
}
- dri3_fence_await(draw->conn, back);
+ dri3_fence_await(draw->conn, draw, back);
}
void
dri3_drawable_gc(draw),
0, 0, 0, 0, draw->width, draw->height);
dri3_fence_trigger(draw->conn, dri3_fake_front_buffer(draw));
- dri3_fence_await(draw->conn, dri3_fake_front_buffer(draw));
+ dri3_fence_await(draw->conn, draw, dri3_fake_front_buffer(draw));
}
void
loader_dri3_wait_x(struct loader_dri3_drawable *draw)
{
struct loader_dri3_buffer *front;
- __DRIcontext *dri_context;
if (draw == NULL || !draw->have_fake_front)
return;
front = dri3_fake_front_buffer(draw);
- dri_context = draw->vtable->get_dri_context(draw);
loader_dri3_copy_drawable(draw, front->pixmap, draw->drawable);
* Copy back to the tiled buffer we use for rendering.
* Note that we don't need flushing.
*/
- if (draw->is_different_gpu && draw->vtable->in_current_context(draw))
- draw->ext->image->blitImage(dri_context,
- front->image,
- front->linear_buffer,
- 0, 0, front->width,
- front->height,
- 0, 0, front->width,
- front->height, 0);
+ if (draw->is_different_gpu)
+ (void) loader_dri3_blit_image(draw,
+ front->image,
+ front->linear_buffer,
+ 0, 0, front->width, front->height,
+ 0, 0, 0);
}
void
loader_dri3_wait_gl(struct loader_dri3_drawable *draw)
{
struct loader_dri3_buffer *front;
- __DRIcontext *dri_context;
if (draw == NULL || !draw->have_fake_front)
return;
front = dri3_fake_front_buffer(draw);
- dri_context = draw->vtable->get_dri_context(draw);
/* In the psc->is_different_gpu case, we update the linear_buffer
* before updating the real front.
*/
- if (draw->is_different_gpu && draw->vtable->in_current_context(draw))
- draw->ext->image->blitImage(dri_context,
- front->linear_buffer,
- front->image,
- 0, 0, front->width,
- front->height,
- 0, 0, front->width,
- front->height, __BLIT_FLAG_FLUSH);
+ if (draw->is_different_gpu)
+ (void) loader_dri3_blit_image(draw,
+ front->linear_buffer,
+ front->image,
+ 0, 0, front->width, front->height,
+ 0, 0, __BLIT_FLAG_FLUSH);
+ loader_dri3_swapbuffer_barrier(draw);
loader_dri3_copy_drawable(draw, draw->drawable, front->pixmap);
}
/* Check to see if any configuration changes have occurred
* since we were last invoked
*/
+ if (draw->has_event_waiter)
+ return;
+
if (draw->special_event) {
xcb_generic_event_t *ev;
bool force_copy)
{
struct loader_dri3_buffer *back;
- __DRIcontext *dri_context;
int64_t ret = 0;
uint32_t options = XCB_PRESENT_OPTION_NONE;
- int swap_interval;
-
- dri_context = draw->vtable->get_dri_context(draw);
- swap_interval = draw->vtable->get_swap_interval(draw);
draw->vtable->flush_drawable(draw, flush_flags);
- back = draw->buffers[LOADER_DRI3_BACK_ID(draw->cur_back)];
+ back = dri3_find_back_alloc(draw);
+
+ mtx_lock(&draw->mtx);
+
+ if (draw->adaptive_sync && !draw->adaptive_sync_active) {
+ set_adaptive_sync_property(draw->conn, draw->drawable, true);
+ draw->adaptive_sync_active = true;
+ }
+
if (draw->is_different_gpu && back) {
/* Update the linear buffer before presenting the pixmap */
- draw->ext->image->blitImage(dri_context,
- back->linear_buffer,
- back->image,
- 0, 0, back->width,
- back->height,
- 0, 0, back->width,
- back->height, __BLIT_FLAG_FLUSH);
- /* Update the fake front */
- if (draw->have_fake_front)
- draw->ext->image->blitImage(dri_context,
- draw->buffers[LOADER_DRI3_FRONT_ID]->image,
- back->image,
- 0, 0, draw->width, draw->height,
- 0, 0, draw->width, draw->height,
- __BLIT_FLAG_FLUSH);
+ (void) loader_dri3_blit_image(draw,
+ back->linear_buffer,
+ back->image,
+ 0, 0, back->width, back->height,
+ 0, 0, __BLIT_FLAG_FLUSH);
+ }
+
+ /* If we need to preload the new back buffer, remember the source.
+ * The force_copy parameter is used by EGL to attempt to preserve
+ * the back buffer across a call to this function.
+ */
+ if (draw->swap_method != __DRI_ATTRIB_SWAP_UNDEFINED || force_copy)
+ draw->cur_blit_source = LOADER_DRI3_BACK_ID(draw->cur_back);
+
+ /* Exchange the back and fake front. Even though the server knows about these
+ * buffers, it has no notion of back and fake front.
+ */
+ if (back && draw->have_fake_front) {
+ struct loader_dri3_buffer *tmp;
+
+ tmp = dri3_fake_front_buffer(draw);
+ draw->buffers[LOADER_DRI3_FRONT_ID] = back;
+ draw->buffers[LOADER_DRI3_BACK_ID(draw->cur_back)] = tmp;
+
+ if (draw->swap_method == __DRI_ATTRIB_SWAP_COPY || force_copy)
+ draw->cur_blit_source = LOADER_DRI3_FRONT_ID;
}
dri3_flush_present_events(draw);
*/
++draw->send_sbc;
if (target_msc == 0 && divisor == 0 && remainder == 0)
- target_msc = draw->msc + swap_interval *
+ target_msc = draw->msc + draw->swap_interval *
(draw->send_sbc - draw->recv_sbc);
else if (divisor == 0 && remainder > 0) {
/* From the GLX_OML_sync_control spec:
* behaviour by not using XCB_PRESENT_OPTION_ASYNC, but this should not be
* the default.
*/
- if (swap_interval == 0)
+ if (draw->swap_interval == 0)
options |= XCB_PRESENT_OPTION_ASYNC;
- if (force_copy)
- options |= XCB_PRESENT_OPTION_COPY;
+ /* If we need to populate the new back, but need to reuse the back
+ * buffer slot due to lack of local blit capabilities, make sure
+ * the server doesn't flip and we deadlock.
+ */
+ if (!loader_dri3_have_image_blit(draw) && draw->cur_blit_source != -1)
+ options |= XCB_PRESENT_OPTION_COPY;
+#ifdef HAVE_DRI3_MODIFIERS
+ if (draw->multiplanes_available)
+ options |= XCB_PRESENT_OPTION_SUBOPTIMAL;
+#endif
back->busy = 1;
back->last_swap = draw->send_sbc;
xcb_present_pixmap(draw->conn,
remainder, 0, NULL);
ret = (int64_t) draw->send_sbc;
- /* If there's a fake front, then copy the source back buffer
- * to the fake front to keep it up to date. This needs
- * to reset the fence and make future users block until
- * the X server is done copying the bits
+ /* Schedule a server-side back-preserving blit if necessary.
+ * This happens iff all conditions below are satisfied:
+ * a) We have a fake front,
+ * b) We need to preserve the back buffer,
+ * c) We don't have local blit capabilities.
*/
- if (draw->have_fake_front && !draw->is_different_gpu) {
- dri3_fence_reset(draw->conn, draw->buffers[LOADER_DRI3_FRONT_ID]);
- dri3_copy_area(draw->conn,
- back->pixmap,
- draw->buffers[LOADER_DRI3_FRONT_ID]->pixmap,
+ if (!loader_dri3_have_image_blit(draw) && draw->cur_blit_source != -1 &&
+ draw->cur_blit_source != LOADER_DRI3_BACK_ID(draw->cur_back)) {
+ struct loader_dri3_buffer *new_back = dri3_back_buffer(draw);
+ struct loader_dri3_buffer *src = draw->buffers[draw->cur_blit_source];
+
+ dri3_fence_reset(draw->conn, new_back);
+ dri3_copy_area(draw->conn, src->pixmap,
+ new_back->pixmap,
dri3_drawable_gc(draw),
- 0, 0, 0, 0,
- draw->width, draw->height);
- dri3_fence_trigger(draw->conn, draw->buffers[LOADER_DRI3_FRONT_ID]);
+ 0, 0, 0, 0, draw->width, draw->height);
+ dri3_fence_trigger(draw->conn, new_back);
+ new_back->last_swap = src->last_swap;
}
+
xcb_flush(draw->conn);
if (draw->stamp)
++(*draw->stamp);
}
+ mtx_unlock(&draw->mtx);
- (draw->ext->flush->invalidate)(draw->dri_drawable);
+ draw->ext->flush->invalidate(draw->dri_drawable);
return ret;
}
int
loader_dri3_query_buffer_age(struct loader_dri3_drawable *draw)
{
- int back_id = LOADER_DRI3_BACK_ID(dri3_find_back(draw));
+ struct loader_dri3_buffer *back = dri3_find_back_alloc(draw);
+ int ret;
- if (back_id < 0 || !draw->buffers[back_id])
- return 0;
+ mtx_lock(&draw->mtx);
+ ret = (!back || back->last_swap == 0) ? 0 :
+ draw->send_sbc - back->last_swap + 1;
+ mtx_unlock(&draw->mtx);
- if (draw->buffers[back_id]->last_swap != 0)
- return draw->send_sbc - draw->buffers[back_id]->last_swap + 1;
- else
- return 0;
+ return ret;
}
/** loader_dri3_open
case __DRI_IMAGE_FORMAT_XBGR8888:
case __DRI_IMAGE_FORMAT_XRGB2101010:
case __DRI_IMAGE_FORMAT_ARGB2101010:
+ case __DRI_IMAGE_FORMAT_XBGR2101010:
+ case __DRI_IMAGE_FORMAT_ABGR2101010:
case __DRI_IMAGE_FORMAT_SARGB8:
+ case __DRI_IMAGE_FORMAT_SABGR8:
return 4;
+ case __DRI_IMAGE_FORMAT_XBGR16161616F:
+ case __DRI_IMAGE_FORMAT_ABGR16161616F:
+ return 8;
case __DRI_IMAGE_FORMAT_NONE:
default:
return 0;
}
}
+/* Map format of render buffer to corresponding format for the linear_buffer
+ * used for sharing with the display gpu of a Prime setup (== is_different_gpu).
+ * Usually linear_format == format, except for depth >= 30 formats, where
+ * different gpu vendors have different preferences wrt. color channel ordering.
+ */
+static uint32_t
+dri3_linear_format_for_format(struct loader_dri3_drawable *draw, uint32_t format)
+{
+ switch (format) {
+ case __DRI_IMAGE_FORMAT_XRGB2101010:
+ case __DRI_IMAGE_FORMAT_XBGR2101010:
+ /* Different preferred formats for different hw */
+ if (dri3_get_red_mask_for_depth(draw, 30) == 0x3ff)
+ return __DRI_IMAGE_FORMAT_XBGR2101010;
+ else
+ return __DRI_IMAGE_FORMAT_XRGB2101010;
+
+ case __DRI_IMAGE_FORMAT_ARGB2101010:
+ case __DRI_IMAGE_FORMAT_ABGR2101010:
+ /* Different preferred formats for different hw */
+ if (dri3_get_red_mask_for_depth(draw, 30) == 0x3ff)
+ return __DRI_IMAGE_FORMAT_ABGR2101010;
+ else
+ return __DRI_IMAGE_FORMAT_ARGB2101010;
+
+ default:
+ return format;
+ }
+}
+
+/* the DRIimage createImage function takes __DRI_IMAGE_FORMAT codes, while
+ * the createImageFromFds call takes DRM_FORMAT codes. To avoid
+ * complete confusion, just deal in __DRI_IMAGE_FORMAT codes for now and
+ * translate to DRM_FORMAT codes in the call to createImageFromFds
+ */
+static int
+image_format_to_fourcc(int format)
+{
+
+ /* Convert from __DRI_IMAGE_FORMAT to DRM_FORMAT (sigh) */
+ switch (format) {
+ case __DRI_IMAGE_FORMAT_SARGB8: return __DRI_IMAGE_FOURCC_SARGB8888;
+ case __DRI_IMAGE_FORMAT_SABGR8: return __DRI_IMAGE_FOURCC_SABGR8888;
+ case __DRI_IMAGE_FORMAT_RGB565: return DRM_FORMAT_RGB565;
+ case __DRI_IMAGE_FORMAT_XRGB8888: return DRM_FORMAT_XRGB8888;
+ case __DRI_IMAGE_FORMAT_ARGB8888: return DRM_FORMAT_ARGB8888;
+ case __DRI_IMAGE_FORMAT_ABGR8888: return DRM_FORMAT_ABGR8888;
+ case __DRI_IMAGE_FORMAT_XBGR8888: return DRM_FORMAT_XBGR8888;
+ case __DRI_IMAGE_FORMAT_XRGB2101010: return DRM_FORMAT_XRGB2101010;
+ case __DRI_IMAGE_FORMAT_ARGB2101010: return DRM_FORMAT_ARGB2101010;
+ case __DRI_IMAGE_FORMAT_XBGR2101010: return DRM_FORMAT_XBGR2101010;
+ case __DRI_IMAGE_FORMAT_ABGR2101010: return DRM_FORMAT_ABGR2101010;
+ case __DRI_IMAGE_FORMAT_XBGR16161616F: return DRM_FORMAT_XBGR16161616F;
+ case __DRI_IMAGE_FORMAT_ABGR16161616F: return DRM_FORMAT_ABGR16161616F;
+ }
+ return 0;
+}
+
+#ifdef HAVE_DRI3_MODIFIERS
+static bool
+has_supported_modifier(struct loader_dri3_drawable *draw, unsigned int format,
+ uint64_t *modifiers, uint32_t count)
+{
+ uint64_t *supported_modifiers;
+ int32_t supported_modifiers_count;
+ bool found = false;
+ int i, j;
+
+ if (!draw->ext->image->queryDmaBufModifiers(draw->dri_screen,
+ format, 0, NULL, NULL,
+ &supported_modifiers_count) ||
+ supported_modifiers_count == 0)
+ return false;
+
+ supported_modifiers = malloc(supported_modifiers_count * sizeof(uint64_t));
+ if (!supported_modifiers)
+ return false;
+
+ draw->ext->image->queryDmaBufModifiers(draw->dri_screen, format,
+ supported_modifiers_count,
+ supported_modifiers, NULL,
+ &supported_modifiers_count);
+
+ for (i = 0; !found && i < supported_modifiers_count; i++) {
+ for (j = 0; !found && j < count; j++) {
+ if (supported_modifiers[i] == modifiers[j])
+ found = true;
+ }
+ }
+
+ free(supported_modifiers);
+ return found;
+}
+#endif
+
/** loader_dri3_alloc_render_buffer
*
* Use the driver createImage function to construct a __DRIimage, then
xcb_pixmap_t pixmap;
xcb_sync_fence_t sync_fence;
struct xshmfence *shm_fence;
- int buffer_fd, fence_fd;
- int stride;
+ int buffer_fds[4], fence_fd;
+ int num_planes = 0;
+ int i, mod;
+ int ret;
/* Create an xshmfence object and
* prepare to send that to the X server
goto no_image;
if (!draw->is_different_gpu) {
- buffer->image = (draw->ext->image->createImage)(draw->dri_screen,
- width, height,
- format,
- __DRI_IMAGE_USE_SHARE |
- __DRI_IMAGE_USE_SCANOUT |
- __DRI_IMAGE_USE_BACKBUFFER,
- buffer);
+#ifdef HAVE_DRI3_MODIFIERS
+ if (draw->multiplanes_available &&
+ draw->ext->image->base.version >= 15 &&
+ draw->ext->image->queryDmaBufModifiers &&
+ draw->ext->image->createImageWithModifiers) {
+ xcb_dri3_get_supported_modifiers_cookie_t mod_cookie;
+ xcb_dri3_get_supported_modifiers_reply_t *mod_reply;
+ xcb_generic_error_t *error = NULL;
+ uint64_t *modifiers = NULL;
+ uint32_t count = 0;
+
+ mod_cookie = xcb_dri3_get_supported_modifiers(draw->conn,
+ draw->window,
+ depth, buffer->cpp * 8);
+ mod_reply = xcb_dri3_get_supported_modifiers_reply(draw->conn,
+ mod_cookie,
+ &error);
+ if (!mod_reply)
+ goto no_image;
+
+ if (mod_reply->num_window_modifiers) {
+ count = mod_reply->num_window_modifiers;
+ modifiers = malloc(count * sizeof(uint64_t));
+ if (!modifiers) {
+ free(mod_reply);
+ goto no_image;
+ }
+
+ memcpy(modifiers,
+ xcb_dri3_get_supported_modifiers_window_modifiers(mod_reply),
+ count * sizeof(uint64_t));
+
+ if (!has_supported_modifier(draw, image_format_to_fourcc(format),
+ modifiers, count)) {
+ free(modifiers);
+ count = 0;
+ modifiers = NULL;
+ }
+ }
+
+ if (mod_reply->num_screen_modifiers && modifiers == NULL) {
+ count = mod_reply->num_screen_modifiers;
+ modifiers = malloc(count * sizeof(uint64_t));
+ if (!modifiers) {
+ free(modifiers);
+ free(mod_reply);
+ goto no_image;
+ }
+
+ memcpy(modifiers,
+ xcb_dri3_get_supported_modifiers_screen_modifiers(mod_reply),
+ count * sizeof(uint64_t));
+ }
+
+ free(mod_reply);
+
+ /* don't use createImageWithModifiers() if we have no
+ * modifiers, other things depend on the use flags when
+ * there are no modifiers to know that a buffer can be
+ * shared.
+ */
+ if (modifiers) {
+ buffer->image = draw->ext->image->createImageWithModifiers(draw->dri_screen,
+ width, height,
+ format,
+ modifiers,
+ count,
+ buffer);
+ }
+
+ free(modifiers);
+ }
+#endif
+ if (!buffer->image)
+ buffer->image = draw->ext->image->createImage(draw->dri_screen,
+ width, height,
+ format,
+ __DRI_IMAGE_USE_SHARE |
+ __DRI_IMAGE_USE_SCANOUT |
+ __DRI_IMAGE_USE_BACKBUFFER,
+ buffer);
+
pixmap_buffer = buffer->image;
if (!buffer->image)
goto no_image;
} else {
- buffer->image = (draw->ext->image->createImage)(draw->dri_screen,
- width, height,
- format,
- 0,
- buffer);
+ buffer->image = draw->ext->image->createImage(draw->dri_screen,
+ width, height,
+ format,
+ 0,
+ buffer);
if (!buffer->image)
goto no_image;
buffer->linear_buffer =
- (draw->ext->image->createImage)(draw->dri_screen,
- width, height, format,
- __DRI_IMAGE_USE_SHARE |
- __DRI_IMAGE_USE_LINEAR |
- __DRI_IMAGE_USE_BACKBUFFER,
- buffer);
+ draw->ext->image->createImage(draw->dri_screen,
+ width, height,
+ dri3_linear_format_for_format(draw, format),
+ __DRI_IMAGE_USE_SHARE |
+ __DRI_IMAGE_USE_LINEAR |
+ __DRI_IMAGE_USE_BACKBUFFER,
+ buffer);
pixmap_buffer = buffer->linear_buffer;
if (!buffer->linear_buffer)
goto no_linear_buffer;
}
- /* X wants the stride, so ask the image for it
+ /* X want some information about the planes, so ask the image for it
*/
- if (!(draw->ext->image->queryImage)(pixmap_buffer, __DRI_IMAGE_ATTRIB_STRIDE,
- &stride))
- goto no_buffer_attrib;
+ if (!draw->ext->image->queryImage(pixmap_buffer, __DRI_IMAGE_ATTRIB_NUM_PLANES,
+ &num_planes))
+ num_planes = 1;
- buffer->pitch = stride;
+ for (i = 0; i < num_planes; i++) {
+ __DRIimage *image = draw->ext->image->fromPlanar(pixmap_buffer, i, NULL);
- if (!(draw->ext->image->queryImage)(pixmap_buffer, __DRI_IMAGE_ATTRIB_FD,
- &buffer_fd))
- goto no_buffer_attrib;
+ if (!image) {
+ assert(i == 0);
+ image = pixmap_buffer;
+ }
- xcb_dri3_pixmap_from_buffer(draw->conn,
- (pixmap = xcb_generate_id(draw->conn)),
- draw->drawable,
- buffer->size,
- width, height, buffer->pitch,
- depth, buffer->cpp * 8,
- buffer_fd);
+ ret = draw->ext->image->queryImage(image, __DRI_IMAGE_ATTRIB_FD,
+ &buffer_fds[i]);
+ ret &= draw->ext->image->queryImage(image, __DRI_IMAGE_ATTRIB_STRIDE,
+ &buffer->strides[i]);
+ ret &= draw->ext->image->queryImage(image, __DRI_IMAGE_ATTRIB_OFFSET,
+ &buffer->offsets[i]);
+ if (image != pixmap_buffer)
+ draw->ext->image->destroyImage(image);
+
+ if (!ret)
+ goto no_buffer_attrib;
+ }
+
+ ret = draw->ext->image->queryImage(pixmap_buffer,
+ __DRI_IMAGE_ATTRIB_MODIFIER_UPPER, &mod);
+ buffer->modifier = (uint64_t) mod << 32;
+ ret &= draw->ext->image->queryImage(pixmap_buffer,
+ __DRI_IMAGE_ATTRIB_MODIFIER_LOWER, &mod);
+ buffer->modifier |= (uint64_t)(mod & 0xffffffff);
+
+ if (!ret)
+ buffer->modifier = DRM_FORMAT_MOD_INVALID;
+
+ pixmap = xcb_generate_id(draw->conn);
+#ifdef HAVE_DRI3_MODIFIERS
+ if (draw->multiplanes_available &&
+ buffer->modifier != DRM_FORMAT_MOD_INVALID) {
+ xcb_dri3_pixmap_from_buffers(draw->conn,
+ pixmap,
+ draw->window,
+ num_planes,
+ width, height,
+ buffer->strides[0], buffer->offsets[0],
+ buffer->strides[1], buffer->offsets[1],
+ buffer->strides[2], buffer->offsets[2],
+ buffer->strides[3], buffer->offsets[3],
+ depth, buffer->cpp * 8,
+ buffer->modifier,
+ buffer_fds);
+ } else
+#endif
+ {
+ xcb_dri3_pixmap_from_buffer(draw->conn,
+ pixmap,
+ draw->drawable,
+ buffer->size,
+ width, height, buffer->strides[0],
+ depth, buffer->cpp * 8,
+ buffer_fds[0]);
+ }
xcb_dri3_fence_from_fd(draw->conn,
pixmap,
return buffer;
no_buffer_attrib:
- (draw->ext->image->destroyImage)(pixmap_buffer);
+ do {
+ close(buffer_fds[i]);
+ } while (--i >= 0);
+ draw->ext->image->destroyImage(pixmap_buffer);
no_linear_buffer:
if (draw->is_different_gpu)
- (draw->ext->image->destroyImage)(buffer->image);
+ draw->ext->image->destroyImage(buffer->image);
no_image:
free(buffer);
no_buffer:
* track the geometry of the drawable
*/
static int
-dri3_update_drawable(__DRIdrawable *driDrawable,
- struct loader_dri3_drawable *draw)
+dri3_update_drawable(struct loader_dri3_drawable *draw)
{
+ mtx_lock(&draw->mtx);
if (draw->first_init) {
xcb_get_geometry_cookie_t geom_cookie;
xcb_get_geometry_reply_t *geom_reply;
xcb_generic_error_t *error;
xcb_present_query_capabilities_cookie_t present_capabilities_cookie;
xcb_present_query_capabilities_reply_t *present_capabilities_reply;
+ xcb_window_t root_win;
draw->first_init = false;
geom_reply = xcb_get_geometry_reply(draw->conn, geom_cookie, NULL);
- if (!geom_reply)
+ if (!geom_reply) {
+ mtx_unlock(&draw->mtx);
return false;
-
+ }
draw->width = geom_reply->width;
draw->height = geom_reply->height;
draw->depth = geom_reply->depth;
draw->vtable->set_drawable_size(draw, draw->width, draw->height);
+ root_win = geom_reply->root;
free(geom_reply);
if (error) {
if (error->error_code != BadWindow) {
free(error);
+ mtx_unlock(&draw->mtx);
return false;
}
+ free(error);
draw->is_pixmap = true;
xcb_unregister_for_special_event(draw->conn, draw->special_event);
draw->special_event = NULL;
}
+
+ if (draw->is_pixmap)
+ draw->window = root_win;
+ else
+ draw->window = draw->drawable;
}
dri3_flush_present_events(draw);
+ mtx_unlock(&draw->mtx);
return true;
}
-/* the DRIimage createImage function takes __DRI_IMAGE_FORMAT codes, while
- * the createImageFromFds call takes __DRI_IMAGE_FOURCC codes. To avoid
- * complete confusion, just deal in __DRI_IMAGE_FORMAT codes for now and
- * translate to __DRI_IMAGE_FOURCC codes in the call to createImageFromFds
- */
-static int
-image_format_to_fourcc(int format)
-{
-
- /* Convert from __DRI_IMAGE_FORMAT to __DRI_IMAGE_FOURCC (sigh) */
- switch (format) {
- case __DRI_IMAGE_FORMAT_SARGB8: return __DRI_IMAGE_FOURCC_SARGB8888;
- case __DRI_IMAGE_FORMAT_RGB565: return __DRI_IMAGE_FOURCC_RGB565;
- case __DRI_IMAGE_FORMAT_XRGB8888: return __DRI_IMAGE_FOURCC_XRGB8888;
- case __DRI_IMAGE_FORMAT_ARGB8888: return __DRI_IMAGE_FOURCC_ARGB8888;
- case __DRI_IMAGE_FORMAT_ABGR8888: return __DRI_IMAGE_FOURCC_ABGR8888;
- case __DRI_IMAGE_FORMAT_XBGR8888: return __DRI_IMAGE_FOURCC_XBGR8888;
- }
- return 0;
-}
-
__DRIimage *
loader_dri3_create_image(xcb_connection_t *c,
xcb_dri3_buffer_from_pixmap_reply_t *bp_reply,
* we've gotten the planar wrapper, pull the single plane out of it and
* discard the wrapper.
*/
- image_planar = (image->createImageFromFds)(dri_screen,
- bp_reply->width,
- bp_reply->height,
- image_format_to_fourcc(format),
- fds, 1,
- &stride, &offset, loaderPrivate);
+ image_planar = image->createImageFromFds(dri_screen,
+ bp_reply->width,
+ bp_reply->height,
+ image_format_to_fourcc(format),
+ fds, 1,
+ &stride, &offset, loaderPrivate);
close(fds[0]);
if (!image_planar)
return NULL;
- ret = (image->fromPlanar)(image_planar, 0, loaderPrivate);
+ ret = image->fromPlanar(image_planar, 0, loaderPrivate);
+
+ if (!ret)
+ ret = image_planar;
+ else
+ image->destroyImage(image_planar);
+
+ return ret;
+}
+
+#ifdef HAVE_DRI3_MODIFIERS
+__DRIimage *
+loader_dri3_create_image_from_buffers(xcb_connection_t *c,
+ xcb_dri3_buffers_from_pixmap_reply_t *bp_reply,
+ unsigned int format,
+ __DRIscreen *dri_screen,
+ const __DRIimageExtension *image,
+ void *loaderPrivate)
+{
+ __DRIimage *ret;
+ int *fds;
+ uint32_t *strides_in, *offsets_in;
+ int strides[4], offsets[4];
+ unsigned error;
+ int i;
+
+ if (bp_reply->nfd > 4)
+ return NULL;
+
+ fds = xcb_dri3_buffers_from_pixmap_reply_fds(c, bp_reply);
+ strides_in = xcb_dri3_buffers_from_pixmap_strides(bp_reply);
+ offsets_in = xcb_dri3_buffers_from_pixmap_offsets(bp_reply);
+ for (i = 0; i < bp_reply->nfd; i++) {
+ strides[i] = strides_in[i];
+ offsets[i] = offsets_in[i];
+ }
+
+ ret = image->createImageFromDmaBufs2(dri_screen,
+ bp_reply->width,
+ bp_reply->height,
+ image_format_to_fourcc(format),
+ bp_reply->modifier,
+ fds, bp_reply->nfd,
+ strides, offsets,
+ 0, 0, 0, 0, /* UNDEFINED */
+ &error, loaderPrivate);
- (image->destroyImage)(image_planar);
+ for (i = 0; i < bp_reply->nfd; i++)
+ close(fds[i]);
return ret;
}
+#endif
/** dri3_get_pixmap_buffer
*
int buf_id = loader_dri3_pixmap_buf_id(buffer_type);
struct loader_dri3_buffer *buffer = draw->buffers[buf_id];
xcb_drawable_t pixmap;
- xcb_dri3_buffer_from_pixmap_cookie_t bp_cookie;
- xcb_dri3_buffer_from_pixmap_reply_t *bp_reply;
xcb_sync_fence_t sync_fence;
struct xshmfence *shm_fence;
+ int width;
+ int height;
int fence_fd;
+ __DRIscreen *cur_screen;
if (buffer)
return buffer;
goto no_fence;
}
+ /* Get the currently-bound screen or revert to using the drawable's screen if
+ * no contexts are currently bound. The latter case is at least necessary for
+ * obs-studio, when using Window Capture (Xcomposite) as a Source.
+ */
+ cur_screen = draw->vtable->get_dri_screen();
+ if (!cur_screen) {
+ cur_screen = draw->dri_screen;
+ }
+
xcb_dri3_fence_from_fd(draw->conn,
pixmap,
(sync_fence = xcb_generate_id(draw->conn)),
false,
fence_fd);
+#ifdef HAVE_DRI3_MODIFIERS
+ if (draw->multiplanes_available &&
+ draw->ext->image->base.version >= 15 &&
+ draw->ext->image->createImageFromDmaBufs2) {
+ xcb_dri3_buffers_from_pixmap_cookie_t bps_cookie;
+ xcb_dri3_buffers_from_pixmap_reply_t *bps_reply;
+
+ bps_cookie = xcb_dri3_buffers_from_pixmap(draw->conn, pixmap);
+ bps_reply = xcb_dri3_buffers_from_pixmap_reply(draw->conn, bps_cookie,
+ NULL);
+ if (!bps_reply)
+ goto no_image;
+ buffer->image =
+ loader_dri3_create_image_from_buffers(draw->conn, bps_reply, format,
+ cur_screen, draw->ext->image,
+ buffer);
+ width = bps_reply->width;
+ height = bps_reply->height;
+ free(bps_reply);
+ } else
+#endif
+ {
+ xcb_dri3_buffer_from_pixmap_cookie_t bp_cookie;
+ xcb_dri3_buffer_from_pixmap_reply_t *bp_reply;
+
+ bp_cookie = xcb_dri3_buffer_from_pixmap(draw->conn, pixmap);
+ bp_reply = xcb_dri3_buffer_from_pixmap_reply(draw->conn, bp_cookie, NULL);
+ if (!bp_reply)
+ goto no_image;
- bp_cookie = xcb_dri3_buffer_from_pixmap(draw->conn, pixmap);
- bp_reply = xcb_dri3_buffer_from_pixmap_reply(draw->conn, bp_cookie, NULL);
- if (!bp_reply)
- goto no_image;
+ buffer->image = loader_dri3_create_image(draw->conn, bp_reply, format,
+ cur_screen, draw->ext->image,
+ buffer);
+ width = bp_reply->width;
+ height = bp_reply->height;
+ free(bp_reply);
+ }
- buffer->image = loader_dri3_create_image(draw->conn, bp_reply, format,
- draw->dri_screen, draw->ext->image,
- buffer);
if (!buffer->image)
goto no_image;
buffer->pixmap = pixmap;
buffer->own_pixmap = false;
- buffer->width = bp_reply->width;
- buffer->height = bp_reply->height;
- buffer->buffer_type = buffer_type;
+ buffer->width = width;
+ buffer->height = height;
buffer->shm_fence = shm_fence;
buffer->sync_fence = sync_fence;
draw->buffers[buf_id] = buffer;
- free(bp_reply);
-
return buffer;
no_image:
- free(bp_reply);
xcb_sync_destroy_fence(draw->conn, sync_fence);
xshmfence_unmap_shm(shm_fence);
no_fence:
struct loader_dri3_drawable *draw)
{
struct loader_dri3_buffer *buffer;
+ bool fence_await = buffer_type == loader_dri3_buffer_back;
int buf_id;
- __DRIcontext *dri_context;
-
- dri_context = draw->vtable->get_dri_context(draw);
if (buffer_type == loader_dri3_buffer_back) {
+ draw->back_format = format;
+
buf_id = dri3_find_back(draw);
if (buf_id < 0)
buffer = draw->buffers[buf_id];
- /* Allocate a new buffer if there isn't an old one, or if that
- * old one is the wrong size
+ /* Allocate a new buffer if there isn't an old one, if that
+ * old one is the wrong size, or if it's suboptimal
*/
if (!buffer || buffer->width != draw->width ||
- buffer->height != draw->height) {
+ buffer->height != draw->height ||
+ buffer->reallocate) {
struct loader_dri3_buffer *new_buffer;
/* Allocate the new buffers
/* When resizing, copy the contents of the old buffer, waiting for that
* copy to complete using our fences before proceeding
*/
- switch (buffer_type) {
- case loader_dri3_buffer_back:
- if (buffer) {
- if (!buffer->linear_buffer) {
- dri3_fence_reset(draw->conn, new_buffer);
- dri3_fence_await(draw->conn, buffer);
- dri3_copy_area(draw->conn,
- buffer->pixmap,
- new_buffer->pixmap,
- dri3_drawable_gc(draw),
- 0, 0, 0, 0,
- draw->width, draw->height);
- dri3_fence_trigger(draw->conn, new_buffer);
- } else if (draw->vtable->in_current_context(draw)) {
- draw->ext->image->blitImage(dri_context,
- new_buffer->image,
- buffer->image,
- 0, 0, draw->width, draw->height,
- 0, 0, draw->width, draw->height, 0);
- }
- dri3_free_render_buffer(draw, buffer);
+ if ((buffer_type == loader_dri3_buffer_back ||
+ (buffer_type == loader_dri3_buffer_front && draw->have_fake_front))
+ && buffer) {
+
+ /* Fill the new buffer with data from an old buffer */
+ if (!loader_dri3_blit_image(draw,
+ new_buffer->image,
+ buffer->image,
+ 0, 0, draw->width, draw->height,
+ 0, 0, 0) &&
+ !buffer->linear_buffer) {
+ dri3_fence_reset(draw->conn, new_buffer);
+ dri3_copy_area(draw->conn,
+ buffer->pixmap,
+ new_buffer->pixmap,
+ dri3_drawable_gc(draw),
+ 0, 0, 0, 0,
+ draw->width, draw->height);
+ dri3_fence_trigger(draw->conn, new_buffer);
+ fence_await = true;
}
- break;
- case loader_dri3_buffer_front:
+ dri3_free_render_buffer(draw, buffer);
+ } else if (buffer_type == loader_dri3_buffer_front) {
+ /* Fill the new fake front with data from a real front */
+ loader_dri3_swapbuffer_barrier(draw);
dri3_fence_reset(draw->conn, new_buffer);
dri3_copy_area(draw->conn,
draw->drawable,
draw->width, draw->height);
dri3_fence_trigger(draw->conn, new_buffer);
- if (new_buffer->linear_buffer &&
- draw->vtable->in_current_context(draw)) {
- dri3_fence_await(draw->conn, new_buffer);
- draw->ext->image->blitImage(dri_context,
- new_buffer->image,
- new_buffer->linear_buffer,
- 0, 0, draw->width, draw->height,
- 0, 0, draw->width, draw->height, 0);
- }
- break;
+ if (new_buffer->linear_buffer) {
+ dri3_fence_await(draw->conn, draw, new_buffer);
+ (void) loader_dri3_blit_image(draw,
+ new_buffer->image,
+ new_buffer->linear_buffer,
+ 0, 0, draw->width, draw->height,
+ 0, 0, 0);
+ } else
+ fence_await = true;
}
buffer = new_buffer;
- buffer->buffer_type = buffer_type;
draw->buffers[buf_id] = buffer;
}
- dri3_fence_await(draw->conn, buffer);
+ if (fence_await)
+ dri3_fence_await(draw->conn, draw, buffer);
+
+ /*
+ * Do we need to preserve the content of a previous buffer?
+ *
+ * Note that this blit is needed only to avoid a wait for a buffer that
+ * is currently in the flip chain or being scanned out from. That's really
+ * a tradeoff. If we're ok with the wait we can reduce the number of back
+ * buffers to 1 for SWAP_EXCHANGE, and 1 for SWAP_COPY,
+ * but in the latter case we must disallow page-flipping.
+ */
+ if (buffer_type == loader_dri3_buffer_back &&
+ draw->cur_blit_source != -1 &&
+ draw->buffers[draw->cur_blit_source] &&
+ buffer != draw->buffers[draw->cur_blit_source]) {
+
+ struct loader_dri3_buffer *source = draw->buffers[draw->cur_blit_source];
+
+ /* Avoid flushing here. Will propably do good for tiling hardware. */
+ (void) loader_dri3_blit_image(draw,
+ buffer->image,
+ source->image,
+ 0, 0, draw->width, draw->height,
+ 0, 0, 0);
+ buffer->last_swap = source->last_swap;
+ draw->cur_blit_source = -1;
+ }
/* Return the requested buffer */
return buffer;
}
case loader_dri3_buffer_back:
first_id = LOADER_DRI3_BACK_ID(0);
n_id = LOADER_DRI3_MAX_BACK;
+ draw->cur_blit_source = -1;
break;
case loader_dri3_buffer_front:
first_id = LOADER_DRI3_FRONT_ID;
- n_id = 1;
+ /* Don't free a fake front holding new backbuffer content. */
+ n_id = (draw->cur_blit_source == LOADER_DRI3_FRONT_ID) ? 0 : 1;
}
for (buf_id = first_id; buf_id < first_id + n_id; buf_id++) {
{
struct loader_dri3_drawable *draw = loaderPrivate;
struct loader_dri3_buffer *front, *back;
+ int buf_id;
buffers->image_mask = 0;
buffers->front = NULL;
front = NULL;
back = NULL;
- if (!dri3_update_drawable(driDrawable, draw))
+ if (!dri3_update_drawable(draw))
return false;
- /* pixmaps always have front buffers */
- if (draw->is_pixmap)
+ dri3_update_num_back(draw);
+
+ /* Free no longer needed back buffers */
+ for (buf_id = draw->num_back; buf_id < LOADER_DRI3_MAX_BACK; buf_id++) {
+ if (draw->cur_blit_source != buf_id && draw->buffers[buf_id]) {
+ dri3_free_render_buffer(draw, draw->buffers[buf_id]);
+ draw->buffers[buf_id] = NULL;
+ }
+ }
+
+ /* pixmaps always have front buffers.
+ * Exchange swaps also mandate fake front buffers.
+ */
+ if (draw->is_pixmap || draw->swap_method == __DRI_ATTRIB_SWAP_EXCHANGE)
buffer_mask |= __DRI_IMAGE_BUFFER_FRONT;
if (buffer_mask & __DRI_IMAGE_BUFFER_FRONT) {
return true;
}
+
+/** loader_dri3_update_drawable_geometry
+ *
+ * Get the current drawable geometry.
+ */
+void
+loader_dri3_update_drawable_geometry(struct loader_dri3_drawable *draw)
+{
+ xcb_get_geometry_cookie_t geom_cookie;
+ xcb_get_geometry_reply_t *geom_reply;
+
+ geom_cookie = xcb_get_geometry(draw->conn, draw->drawable);
+
+ geom_reply = xcb_get_geometry_reply(draw->conn, geom_cookie, NULL);
+
+ if (geom_reply) {
+ draw->width = geom_reply->width;
+ draw->height = geom_reply->height;
+ draw->vtable->set_drawable_size(draw, draw->width, draw->height);
+ draw->ext->flush->invalidate(draw->dri_drawable);
+
+ free(geom_reply);
+ }
+}
+
+
+/**
+ * Make sure the server has flushed all pending swap buffers to hardware
+ * for this drawable. Ideally we'd want to send an X protocol request to
+ * have the server block our connection until the swaps are complete. That
+ * would avoid the potential round-trip here.
+ */
+void
+loader_dri3_swapbuffer_barrier(struct loader_dri3_drawable *draw)
+{
+ int64_t ust, msc, sbc;
+
+ (void) loader_dri3_wait_for_sbc(draw, 0, &ust, &msc, &sbc);
+}
+
+/**
+ * Perform any cleanup associated with a close screen operation.
+ * \param dri_screen[in,out] Pointer to __DRIscreen about to be closed.
+ *
+ * This function destroys the screen's cached swap context if any.
+ */
+void
+loader_dri3_close_screen(__DRIscreen *dri_screen)
+{
+ mtx_lock(&blit_context.mtx);
+ if (blit_context.ctx && blit_context.cur_screen == dri_screen) {
+ blit_context.core->destroyContext(blit_context.ctx);
+ blit_context.ctx = NULL;
+ }
+ mtx_unlock(&blit_context.mtx);
+}
+
+/**
+ * Find a backbuffer slot - potentially allocating a back buffer
+ *
+ * \param draw[in,out] Pointer to the drawable for which to find back.
+ * \return Pointer to a new back buffer or NULL if allocation failed or was
+ * not mandated.
+ *
+ * Find a potentially new back buffer, and if it's not been allocated yet and
+ * in addition needs initializing, then try to allocate and initialize it.
+ */
+#include <stdio.h>
+static struct loader_dri3_buffer *
+dri3_find_back_alloc(struct loader_dri3_drawable *draw)
+{
+ struct loader_dri3_buffer *back;
+ int id;
+
+ id = dri3_find_back(draw);
+ if (id < 0)
+ return NULL;
+
+ back = draw->buffers[id];
+ /* Allocate a new back if we haven't got one */
+ if (!back && draw->back_format != __DRI_IMAGE_FORMAT_NONE &&
+ dri3_update_drawable(draw))
+ back = dri3_alloc_render_buffer(draw, draw->back_format,
+ draw->width, draw->height, draw->depth);
+
+ if (!back)
+ return NULL;
+
+ draw->buffers[id] = back;
+
+ /* If necessary, prefill the back with data according to swap_method mode. */
+ if (draw->cur_blit_source != -1 &&
+ draw->buffers[draw->cur_blit_source] &&
+ back != draw->buffers[draw->cur_blit_source]) {
+ struct loader_dri3_buffer *source = draw->buffers[draw->cur_blit_source];
+
+ dri3_fence_await(draw->conn, draw, source);
+ dri3_fence_await(draw->conn, draw, back);
+ (void) loader_dri3_blit_image(draw,
+ back->image,
+ source->image,
+ 0, 0, draw->width, draw->height,
+ 0, 0, 0);
+ back->last_swap = source->last_swap;
+ draw->cur_blit_source = -1;
+ }
+
+ return back;
+}
projects / mesa.git / blobdiff