[Mesa-dev] [PATCH RFC 2/9] glx/dri3: Convert to use dri3 helper in loader library
Boyan Ding
boyan.j.ding at gmail.com
Tue Jul 21 08:43:55 PDT 2015
Signed-off-by: Boyan Ding <boyan.j.ding at gmail.com>
---
configure.ac | 4 -
src/glx/dri3_glx.c | 1446 ++++++---------------------------------------------
src/glx/dri3_priv.h | 96 +---
3 files changed, 171 insertions(+), 1375 deletions(-)
diff --git a/configure.ac b/configure.ac
index a91bbd4..872f15b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1215,10 +1215,6 @@ xyesno)
X11_INCLUDES="$X11_INCLUDES $DRIGL_CFLAGS"
GL_LIB_DEPS="$DRIGL_LIBS"
- if test x"$enable_dri3" = xyes; then
- GL_LIB_DEPS="$GL_LIB_DEPS $XCB_DRI3_LIBS"
- fi
-
# need DRM libs, $PTHREAD_LIBS, etc.
GL_LIB_DEPS="$GL_LIB_DEPS $LIBDRM_LIBS -lm $PTHREAD_LIBS $DLOPEN_LIBS"
GL_PC_LIB_PRIV="-lm $PTHREAD_LIBS $DLOPEN_LIBS"
diff --git a/src/glx/dri3_glx.c b/src/glx/dri3_glx.c
index 96f13e6..d9f5f39 100644
--- a/src/glx/dri3_glx.c
+++ b/src/glx/dri3_glx.c
@@ -78,40 +78,144 @@
#include "loader.h"
#include "dri2.h"
-static const struct glx_context_vtable dri3_context_vtable;
+static int
+glx_dri3_get_swap_interval(struct loader_dri3_drawable *draw)
+{
+ struct dri3_drawable *priv = draw->priv;
+
+ return priv->swap_interval;
+}
+
+static int
+glx_dri3_clamp_swap_interval(struct loader_dri3_drawable *draw, int interval)
+{
+ return interval;
+}
+
+static void
+glx_dri3_set_swap_interval(struct loader_dri3_drawable *draw, int interval)
+{
+ struct dri3_drawable *priv = draw->priv;
+
+ priv->swap_interval = interval;
+}
+
+static void
+glx_dri3_set_drawable_size(struct loader_dri3_drawable *draw,
+ int width, int height)
+{
+ struct dri3_drawable *priv = draw->priv;
+
+ priv->width = width;
+ priv->height = height;
+}
+
+static int
+glx_dri3_get_width(struct loader_dri3_drawable *draw)
+{
+ struct dri3_drawable *priv = draw->priv;
+
+ return priv->width;
+}
+
+static int
+glx_dri3_get_height(struct loader_dri3_drawable *draw)
+{
+ struct dri3_drawable *priv = draw->priv;
+
+ return priv->height;
+}
-static inline void
-dri3_fence_reset(xcb_connection_t *c, struct dri3_buffer *buffer)
+static bool
+glx_dri3_is_different_gpu(struct loader_dri3_drawable *draw)
{
- xshmfence_reset(buffer->shm_fence);
+ struct dri3_drawable *priv = draw->priv;
+ struct dri3_screen *psc = (struct dri3_screen *) priv->base.psc;
+
+ return psc->is_different_gpu;
}
-static inline void
-dri3_fence_set(struct dri3_buffer *buffer)
+static bool
+glx_dri3_in_current_context(struct loader_dri3_drawable *draw)
{
- xshmfence_trigger(buffer->shm_fence);
+ struct dri3_drawable *priv = draw->priv;
+ struct dri3_context *pcp = (struct dri3_context *) __glXGetCurrentContext();
+ struct dri3_screen *psc = (struct dri3_screen *) priv->base.psc;
+
+ return (&pcp->base != &dummyContext) && pcp->base.psc == &psc->base;
}
-static inline void
-dri3_fence_trigger(xcb_connection_t *c, struct dri3_buffer *buffer)
+static __DRIcontext *
+glx_dri3_get_dri_context(struct loader_dri3_drawable *draw)
{
- xcb_sync_trigger_fence(c, buffer->sync_fence);
+ struct glx_context *gc = __glXGetCurrentContext();
+
+ if (gc) {
+ struct dri3_context *dri3Ctx = (struct dri3_context *) gc;
+ return dri3Ctx->driContext;
+ }
+
+ return NULL;
}
-static inline void
-dri3_fence_await(xcb_connection_t *c, struct dri3_buffer *buffer)
+static __DRIscreen *
+glx_dri3_get_dri_screen(struct loader_dri3_drawable *draw)
{
- xcb_flush(c);
- xshmfence_await(buffer->shm_fence);
+ struct dri3_drawable *priv = draw->priv;
+ struct dri3_screen *psc = (struct dri3_screen *) priv->base.psc;
+
+ return psc->driScreen;
}
-static inline Bool
-dri3_fence_triggered(struct dri3_buffer *buffer)
+static void
+glx_dri3_flush_drawable(struct loader_dri3_drawable *draw, unsigned flags)
{
- return xshmfence_query(buffer->shm_fence);
+ loader_dri3_flush(draw, flags, __DRI2_THROTTLE_SWAPBUFFER);
}
static void
+glx_dri3_show_fps(struct loader_dri3_drawable *draw, uint64_t current_ust)
+{
+ struct dri3_drawable *priv = draw->priv;
+ const uint64_t interval =
+ ((struct dri3_screen *) priv->base.psc)->show_fps_interval;
+
+ if (!interval)
+ return;
+
+ priv->frames++;
+
+ /* DRI3+Present together uses microseconds for UST. */
+ if (priv->previous_ust + interval * 1000000 <= current_ust) {
+ if (priv->previous_ust) {
+ fprintf(stderr, "libGL: FPS = %.1f\n",
+ ((uint64_t) priv->frames * 1000000) /
+ (double)(current_ust - priv->previous_ust));
+ }
+ priv->frames = 0;
+ priv->previous_ust = current_ust;
+ }
+}
+
+static struct loader_dri3_vtable glx_dri3_vtable = {
+ .get_swap_interval = glx_dri3_get_swap_interval,
+ .clamp_swap_interval = glx_dri3_clamp_swap_interval,
+ .set_swap_interval = glx_dri3_set_swap_interval,
+ .set_drawable_size = glx_dri3_set_drawable_size,
+ .get_width = glx_dri3_get_width,
+ .get_height = glx_dri3_get_height,
+ .is_different_gpu = glx_dri3_is_different_gpu,
+ .in_current_context = glx_dri3_in_current_context,
+ .get_dri_context = glx_dri3_get_dri_context,
+ .get_dri_screen = glx_dri3_get_dri_screen,
+ .flush_drawable = glx_dri3_flush_drawable,
+ .show_fps = glx_dri3_show_fps,
+};
+
+
+static const struct glx_context_vtable dri3_context_vtable;
+
+static void
dri3_destroy_context(struct glx_context *context)
{
struct dri3_context *pcp = (struct dri3_context *) context;
@@ -143,7 +247,8 @@ dri3_bind_context(struct glx_context *context, struct glx_context *old,
return GLXBadDrawable;
if (!(*psc->core->bindContext) (pcp->driContext,
- pdraw->driDrawable, pread->driDrawable))
+ pdraw->loader_drawable->dri_drawable,
+ pread->loader_drawable->dri_drawable))
return GLXBadContext;
return Success;
@@ -265,38 +370,12 @@ dri3_create_context(struct glx_screen *base,
}
static void
-dri3_free_render_buffer(struct dri3_drawable *pdraw, struct dri3_buffer *buffer);
-
-static void
-dri3_update_num_back(struct dri3_drawable *priv)
-{
- priv->num_back = 1;
- if (priv->flipping) {
- if (!priv->is_pixmap && !(priv->present_capabilities & XCB_PRESENT_CAPABILITY_ASYNC))
- priv->num_back++;
- priv->num_back++;
- }
- if (priv->swap_interval == 0)
- priv->num_back++;
-}
-
-static void
dri3_destroy_drawable(__GLXDRIdrawable *base)
{
- struct dri3_screen *psc = (struct dri3_screen *) base->psc;
struct dri3_drawable *pdraw = (struct dri3_drawable *) base;
- xcb_connection_t *c = XGetXCBConnection(pdraw->base.psc->dpy);
- int i;
- (*psc->core->destroyDrawable) (pdraw->driDrawable);
+ loader_dri3_destroy_drawable(pdraw->loader_drawable);
- for (i = 0; i < DRI3_NUM_BUFFERS; i++) {
- if (pdraw->buffers[i])
- dri3_free_render_buffer(pdraw, pdraw->buffers[i]);
- }
-
- if (pdraw->special_event)
- xcb_unregister_for_special_event(c, pdraw->special_event);
free(pdraw);
}
@@ -307,7 +386,6 @@ dri3_create_drawable(struct glx_screen *base, XID xDrawable,
struct dri3_drawable *pdraw;
struct dri3_screen *psc = (struct dri3_screen *) base;
__GLXDRIconfigPrivate *config = (__GLXDRIconfigPrivate *) config_base;
- GLint vblank_mode = DRI_CONF_VBLANK_DEF_INTERVAL_1;
pdraw = calloc(1, sizeof(*pdraw));
if (!pdraw)
@@ -317,158 +395,25 @@ dri3_create_drawable(struct glx_screen *base, XID xDrawable,
pdraw->base.xDrawable = xDrawable;
pdraw->base.drawable = drawable;
pdraw->base.psc = &psc->base;
- pdraw->swap_interval = 1; /* default may be overridden below */
- pdraw->have_back = 0;
- pdraw->have_fake_front = 0;
-
- if (psc->config)
- psc->config->configQueryi(psc->driScreen,
- "vblank_mode", &vblank_mode);
-
- switch (vblank_mode) {
- case DRI_CONF_VBLANK_NEVER:
- case DRI_CONF_VBLANK_DEF_INTERVAL_0:
- pdraw->swap_interval = 0;
- break;
- case DRI_CONF_VBLANK_DEF_INTERVAL_1:
- case DRI_CONF_VBLANK_ALWAYS_SYNC:
- default:
- pdraw->swap_interval = 1;
- break;
- }
-
- dri3_update_num_back(pdraw);
(void) __glXInitialize(psc->base.dpy);
- /* Create a new drawable */
- pdraw->driDrawable =
- (*psc->image_driver->createNewDrawable) (psc->driScreen,
- config->driConfig, pdraw);
-
- if (!pdraw->driDrawable) {
+ pdraw->loader_drawable =
+ loader_dri3_create_drawable(XGetXCBConnection(base->dpy),
+ xDrawable,
+ psc->driScreen,
+ config->driConfig,
+ &psc->loader_dri3_ext,
+ &glx_dri3_vtable,
+ pdraw);
+ if (!pdraw->loader_drawable) {
free(pdraw);
return NULL;
}
- /*
- * Make sure server has the same swap interval we do for the new
- * drawable.
- */
- if (psc->vtable.setSwapInterval)
- psc->vtable.setSwapInterval(&pdraw->base, pdraw->swap_interval);
-
return &pdraw->base;
}
-static void
-show_fps(struct dri3_drawable *draw, uint64_t current_ust)
-{
- const uint64_t interval =
- ((struct dri3_screen *) draw->base.psc)->show_fps_interval;
-
- draw->frames++;
-
- /* DRI3+Present together uses microseconds for UST. */
- if (draw->previous_ust + interval * 1000000 <= current_ust) {
- if (draw->previous_ust) {
- fprintf(stderr, "libGL: FPS = %.1f\n",
- ((uint64_t) draw->frames * 1000000) /
- (double)(current_ust - draw->previous_ust));
- }
- draw->frames = 0;
- draw->previous_ust = current_ust;
- }
-}
-
-/*
- * Process one Present event
- */
-static void
-dri3_handle_present_event(struct dri3_drawable *priv, xcb_present_generic_event_t *ge)
-{
- struct dri3_screen *psc = (struct dri3_screen *) priv->base.psc;
-
- switch (ge->evtype) {
- case XCB_PRESENT_CONFIGURE_NOTIFY: {
- xcb_present_configure_notify_event_t *ce = (void *) ge;
-
- priv->width = ce->width;
- priv->height = ce->height;
- break;
- }
- case XCB_PRESENT_COMPLETE_NOTIFY: {
- xcb_present_complete_notify_event_t *ce = (void *) ge;
-
- /* Compute the processed SBC number from the received 32-bit serial number merged
- * with the upper 32-bits of the sent 64-bit serial number while checking for
- * wrap
- */
- if (ce->kind == XCB_PRESENT_COMPLETE_KIND_PIXMAP) {
- priv->recv_sbc = (priv->send_sbc & 0xffffffff00000000LL) | ce->serial;
- if (priv->recv_sbc > priv->send_sbc)
- priv->recv_sbc -= 0x100000000;
- switch (ce->mode) {
- case XCB_PRESENT_COMPLETE_MODE_FLIP:
- priv->flipping = true;
- break;
- case XCB_PRESENT_COMPLETE_MODE_COPY:
- priv->flipping = false;
- break;
- }
- dri3_update_num_back(priv);
-
- if (psc->show_fps_interval)
- show_fps(priv, ce->ust);
-
- priv->ust = ce->ust;
- priv->msc = ce->msc;
- } else {
- priv->recv_msc_serial = ce->serial;
- priv->notify_ust = ce->ust;
- priv->notify_msc = ce->msc;
- }
- break;
- }
- case XCB_PRESENT_EVENT_IDLE_NOTIFY: {
- xcb_present_idle_notify_event_t *ie = (void *) ge;
- int b;
-
- for (b = 0; b < sizeof (priv->buffers) / sizeof (priv->buffers[0]); b++) {
- struct dri3_buffer *buf = priv->buffers[b];
-
- if (buf && buf->pixmap == ie->pixmap) {
- buf->busy = 0;
- if (priv->num_back <= b && b < DRI3_MAX_BACK) {
- dri3_free_render_buffer(priv, buf);
- priv->buffers[b] = NULL;
- }
- break;
- }
- }
- break;
- }
- }
- free(ge);
-}
-
-static bool
-dri3_wait_for_event(__GLXDRIdrawable *pdraw)
-{
- xcb_connection_t *c = XGetXCBConnection(pdraw->psc->dpy);
- struct dri3_drawable *priv = (struct dri3_drawable *) pdraw;
- xcb_generic_event_t *ev;
- xcb_present_generic_event_t *ge;
-
- xcb_flush(c);
- ev = xcb_wait_for_special_event(c, priv->special_event);
- if (!ev)
- return false;
- ge = (void *) ev;
- dri3_handle_present_event(priv, ge);
- return true;
-}
-
/** dri3_wait_for_msc
*
* Get the X server to send an event when the target msc/divisor/remainder is
@@ -478,32 +423,10 @@ static int
dri3_wait_for_msc(__GLXDRIdrawable *pdraw, int64_t target_msc, int64_t divisor,
int64_t remainder, int64_t *ust, int64_t *msc, int64_t *sbc)
{
- xcb_connection_t *c = XGetXCBConnection(pdraw->psc->dpy);
struct dri3_drawable *priv = (struct dri3_drawable *) pdraw;
- uint32_t msc_serial;
-
- /* Ask for the an event for the target MSC */
- msc_serial = ++priv->send_msc_serial;
- xcb_present_notify_msc(c,
- priv->base.xDrawable,
- msc_serial,
- target_msc,
- divisor,
- remainder);
-
- xcb_flush(c);
-
- /* Wait for the event */
- if (priv->special_event) {
- while ((int32_t) (msc_serial - priv->recv_msc_serial) > 0) {
- if (!dri3_wait_for_event(pdraw))
- return 0;
- }
- }
- *ust = priv->notify_ust;
- *msc = priv->notify_msc;
- *sbc = priv->recv_sbc;
+ loader_dri3_wait_for_msc(priv->loader_drawable, target_msc, divisor,
+ remainder, ust, msc, sbc);
return 1;
}
@@ -532,101 +455,8 @@ dri3_wait_for_sbc(__GLXDRIdrawable *pdraw, int64_t target_sbc, int64_t *ust,
{
struct dri3_drawable *priv = (struct dri3_drawable *) pdraw;
- /* From the GLX_OML_sync_control spec:
- *
- * "If <target_sbc> = 0, the function will block until all previous
- * swaps requested with glXSwapBuffersMscOML for that window have
- * completed."
- */
- if (!target_sbc)
- target_sbc = priv->send_sbc;
-
- while (priv->recv_sbc < target_sbc) {
- if (!dri3_wait_for_event(pdraw))
- return 0;
- }
-
- *ust = priv->ust;
- *msc = priv->msc;
- *sbc = priv->recv_sbc;
- return 1;
-}
-
-/**
- * Asks the driver to flush any queued work necessary for serializing with the
- * X command stream, and optionally the slightly more strict requirement of
- * glFlush() equivalence (which would require flushing even if nothing had
- * been drawn to a window system framebuffer, for example).
- */
-static void
-dri3_flush(struct dri3_screen *psc,
- struct dri3_drawable *draw,
- unsigned flags,
- enum __DRI2throttleReason throttle_reason)
-{
- struct glx_context *gc = __glXGetCurrentContext();
-
- if (gc) {
- struct dri3_context *dri3Ctx = (struct dri3_context *)gc;
-
- (*psc->f->flush_with_flags)(dri3Ctx->driContext, draw->driDrawable, flags, throttle_reason);
- }
-}
-
-static xcb_gcontext_t
-dri3_drawable_gc(struct dri3_drawable *priv)
-{
- if (!priv->gc) {
- uint32_t v;
- xcb_connection_t *c = XGetXCBConnection(priv->base.psc->dpy);
-
- v = 0;
- xcb_create_gc(c,
- (priv->gc = xcb_generate_id(c)),
- priv->base.xDrawable,
- XCB_GC_GRAPHICS_EXPOSURES,
- &v);
- }
- return priv->gc;
-}
-
-static struct dri3_buffer *
-dri3_back_buffer(struct dri3_drawable *priv)
-{
- return priv->buffers[DRI3_BACK_ID(priv->cur_back)];
-}
-
-static struct dri3_buffer *
-dri3_fake_front_buffer(struct dri3_drawable *priv)
-{
- return priv->buffers[DRI3_FRONT_ID];
-}
-
-static void
-dri3_copy_area (xcb_connection_t *c /**< */,
- xcb_drawable_t src_drawable /**< */,
- xcb_drawable_t dst_drawable /**< */,
- xcb_gcontext_t gc /**< */,
- int16_t src_x /**< */,
- int16_t src_y /**< */,
- int16_t dst_x /**< */,
- int16_t dst_y /**< */,
- uint16_t width /**< */,
- uint16_t height /**< */)
-{
- xcb_void_cookie_t cookie;
-
- cookie = xcb_copy_area_checked(c,
- src_drawable,
- dst_drawable,
- gc,
- src_x,
- src_y,
- dst_x,
- dst_y,
- width,
- height);
- xcb_discard_reply(c, cookie.sequence);
+ return loader_dri3_wait_for_sbc(priv->loader_drawable, target_sbc,
+ ust, msc, sbc);
}
static void
@@ -635,144 +465,27 @@ dri3_copy_sub_buffer(__GLXDRIdrawable *pdraw, int x, int y,
Bool flush)
{
struct dri3_drawable *priv = (struct dri3_drawable *) pdraw;
- struct dri3_screen *psc = (struct dri3_screen *) pdraw->psc;
- struct dri3_context *pcp = (struct dri3_context *) __glXGetCurrentContext();
- xcb_connection_t *c = XGetXCBConnection(priv->base.psc->dpy);
- struct dri3_buffer *back;
- unsigned flags = __DRI2_FLUSH_DRAWABLE;
-
- /* Check we have the right attachments */
- if (!priv->have_back || priv->is_pixmap)
- return;
-
- if (flush)
- flags |= __DRI2_FLUSH_CONTEXT;
- dri3_flush(psc, priv, flags, __DRI2_THROTTLE_SWAPBUFFER);
-
- back = dri3_back_buffer(priv);
- y = priv->height - y - height;
-
- if (psc->is_different_gpu && (&pcp->base != &dummyContext) && pcp->base.psc == &psc->base) {
- /* Update the linear buffer part of the back buffer
- * for the dri3_copy_area operation
- */
- psc->image->blitImage(pcp->driContext,
- 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 (priv->have_fake_front)
- psc->image->blitImage(pcp->driContext,
- dri3_fake_front_buffer(priv)->image,
- back->image,
- x, y, width, height,
- x, y, width, height, __BLIT_FLAG_FLUSH);
- }
-
- dri3_fence_reset(c, back);
- dri3_copy_area(c,
- dri3_back_buffer(priv)->pixmap,
- priv->base.xDrawable,
- dri3_drawable_gc(priv),
- x, y, x, y, width, height);
- dri3_fence_trigger(c, back);
- /* Refresh the fake front (if present) after we just damaged the real
- * front.
- */
- if (priv->have_fake_front && !psc->is_different_gpu) {
- dri3_fence_reset(c, dri3_fake_front_buffer(priv));
- dri3_copy_area(c,
- dri3_back_buffer(priv)->pixmap,
- dri3_fake_front_buffer(priv)->pixmap,
- dri3_drawable_gc(priv),
- x, y, x, y, width, height);
- dri3_fence_trigger(c, dri3_fake_front_buffer(priv));
- dri3_fence_await(c, dri3_fake_front_buffer(priv));
- }
- dri3_fence_await(c, back);
-}
-
-static void
-dri3_copy_drawable(struct dri3_drawable *priv, Drawable dest, Drawable src)
-{
- struct dri3_screen *psc = (struct dri3_screen *) priv->base.psc;
- xcb_connection_t *c = XGetXCBConnection(priv->base.psc->dpy);
-
- dri3_flush(psc, priv, __DRI2_FLUSH_DRAWABLE, 0);
-
- dri3_fence_reset(c, dri3_fake_front_buffer(priv));
- dri3_copy_area(c,
- src, dest,
- dri3_drawable_gc(priv),
- 0, 0, 0, 0, priv->width, priv->height);
- dri3_fence_trigger(c, dri3_fake_front_buffer(priv));
- dri3_fence_await(c, dri3_fake_front_buffer(priv));
+ loader_dri3_copy_sub_buffer(priv->loader_drawable, x, y,
+ width, height, flush);
}
static void
dri3_wait_x(struct glx_context *gc)
{
- struct dri3_context *pcp = (struct dri3_context *) gc;
struct dri3_drawable *priv = (struct dri3_drawable *)
GetGLXDRIDrawable(gc->currentDpy, gc->currentDrawable);
- struct dri3_screen *psc;
- struct dri3_buffer *front;
- if (priv == NULL || !priv->have_fake_front)
- return;
-
- psc = (struct dri3_screen *) priv->base.psc;
- front = dri3_fake_front_buffer(priv);
-
- dri3_copy_drawable(priv, front->pixmap, priv->base.xDrawable);
-
- /* In the psc->is_different_gpu case, the linear buffer has been updated,
- * but not yet the tiled buffer.
- * Copy back to the tiled buffer we use for rendering.
- * Note that we don't need flushing.
- */
- if (psc->is_different_gpu && (&pcp->base != &dummyContext) && pcp->base.psc == &psc->base)
- psc->image->blitImage(pcp->driContext,
- front->image,
- front->linear_buffer,
- 0, 0, front->width,
- front->height,
- 0, 0, front->width,
- front->height, 0);
+ loader_dri3_wait_x(priv->loader_drawable);
}
static void
dri3_wait_gl(struct glx_context *gc)
{
- struct dri3_context *pcp = (struct dri3_context *) gc;
struct dri3_drawable *priv = (struct dri3_drawable *)
GetGLXDRIDrawable(gc->currentDpy, gc->currentDrawable);
- struct dri3_screen *psc;
- struct dri3_buffer *front;
-
- if (priv == NULL || !priv->have_fake_front)
- return;
- psc = (struct dri3_screen *) priv->base.psc;
- front = dri3_fake_front_buffer(priv);
-
- /* In the psc->is_different_gpu case, we update the linear_buffer
- * before updating the real front.
- */
- if (psc->is_different_gpu && (&pcp->base != &dummyContext) && pcp->base.psc == &psc->base)
- psc->image->blitImage(pcp->driContext,
- front->linear_buffer,
- front->image,
- 0, 0, front->width,
- front->height,
- 0, 0, front->width,
- front->height, __BLIT_FLAG_FLUSH);
- dri3_copy_drawable(priv, priv->base.xDrawable, front->pixmap);
+ loader_dri3_wait_gl(priv->loader_drawable);
}
/**
@@ -782,8 +495,8 @@ dri3_wait_gl(struct glx_context *gc)
static void
dri3_flush_front_buffer(__DRIdrawable *driDrawable, void *loaderPrivate)
{
- struct glx_context *gc;
- struct dri3_drawable *pdraw = loaderPrivate;
+ struct loader_dri3_drawable *draw = loaderPrivate;
+ struct dri3_drawable *pdraw = draw->priv;
struct dri3_screen *psc;
if (!pdraw)
@@ -796,699 +509,9 @@ dri3_flush_front_buffer(__DRIdrawable *driDrawable, void *loaderPrivate)
(void) __glXInitialize(psc->base.dpy);
- gc = __glXGetCurrentContext();
-
- dri3_flush(psc, pdraw, __DRI2_FLUSH_DRAWABLE, __DRI2_THROTTLE_FLUSHFRONT);
-
- dri3_wait_gl(gc);
-}
-
-static uint32_t
-dri3_cpp_for_format(uint32_t format) {
- switch (format) {
- case __DRI_IMAGE_FORMAT_R8:
- return 1;
- case __DRI_IMAGE_FORMAT_RGB565:
- case __DRI_IMAGE_FORMAT_GR88:
- return 2;
- case __DRI_IMAGE_FORMAT_XRGB8888:
- case __DRI_IMAGE_FORMAT_ARGB8888:
- case __DRI_IMAGE_FORMAT_ABGR8888:
- case __DRI_IMAGE_FORMAT_XBGR8888:
- case __DRI_IMAGE_FORMAT_XRGB2101010:
- case __DRI_IMAGE_FORMAT_ARGB2101010:
- case __DRI_IMAGE_FORMAT_SARGB8:
- return 4;
- case __DRI_IMAGE_FORMAT_NONE:
- default:
- return 0;
- }
-}
-
-
-/** dri3_alloc_render_buffer
- *
- * Use the driver createImage function to construct a __DRIimage, then
- * get a file descriptor for that and create an X pixmap from that
- *
- * Allocate an xshmfence for synchronization
- */
-static struct dri3_buffer *
-dri3_alloc_render_buffer(struct glx_screen *glx_screen, Drawable draw,
- unsigned int format, int width, int height, int depth)
-{
- struct dri3_screen *psc = (struct dri3_screen *) glx_screen;
- Display *dpy = glx_screen->dpy;
- struct dri3_buffer *buffer;
- __DRIimage *pixmap_buffer;
- xcb_connection_t *c = XGetXCBConnection(dpy);
- xcb_pixmap_t pixmap;
- xcb_sync_fence_t sync_fence;
- struct xshmfence *shm_fence;
- int buffer_fd, fence_fd;
- int stride;
-
- /* Create an xshmfence object and
- * prepare to send that to the X server
- */
-
- fence_fd = xshmfence_alloc_shm();
- if (fence_fd < 0) {
- ErrorMessageF("DRI3 Fence object allocation failure %s\n", strerror(errno));
- return NULL;
- }
- shm_fence = xshmfence_map_shm(fence_fd);
- if (shm_fence == NULL) {
- ErrorMessageF("DRI3 Fence object map failure %s\n", strerror(errno));
- goto no_shm_fence;
- }
-
- /* Allocate the image from the driver
- */
- buffer = calloc(1, sizeof (struct dri3_buffer));
- if (!buffer)
- goto no_buffer;
-
- buffer->cpp = dri3_cpp_for_format(format);
- if (!buffer->cpp) {
- ErrorMessageF("DRI3 buffer format %d invalid\n", format);
- goto no_image;
- }
-
- if (!psc->is_different_gpu) {
- buffer->image = (*psc->image->createImage) (psc->driScreen,
- width, height,
- format,
- __DRI_IMAGE_USE_SHARE |
- __DRI_IMAGE_USE_SCANOUT,
- buffer);
- pixmap_buffer = buffer->image;
-
- if (!buffer->image) {
- ErrorMessageF("DRI3 gpu image creation failure\n");
- goto no_image;
- }
- } else {
- buffer->image = (*psc->image->createImage) (psc->driScreen,
- width, height,
- format,
- 0,
- buffer);
-
- if (!buffer->image) {
- ErrorMessageF("DRI3 other gpu image creation failure\n");
- goto no_image;
- }
-
- buffer->linear_buffer = (*psc->image->createImage) (psc->driScreen,
- width, height,
- format,
- __DRI_IMAGE_USE_SHARE |
- __DRI_IMAGE_USE_LINEAR,
- buffer);
- pixmap_buffer = buffer->linear_buffer;
-
- if (!buffer->linear_buffer) {
- ErrorMessageF("DRI3 gpu linear image creation failure\n");
- goto no_linear_buffer;
- }
- }
-
- /* X wants the stride, so ask the image for it
- */
- if (!(*psc->image->queryImage)(pixmap_buffer, __DRI_IMAGE_ATTRIB_STRIDE, &stride)) {
- ErrorMessageF("DRI3 get image stride failed\n");
- goto no_buffer_attrib;
- }
-
- buffer->pitch = stride;
-
- if (!(*psc->image->queryImage)(pixmap_buffer, __DRI_IMAGE_ATTRIB_FD, &buffer_fd)) {
- ErrorMessageF("DRI3 get image FD failed\n");
- goto no_buffer_attrib;
- }
-
- xcb_dri3_pixmap_from_buffer(c,
- (pixmap = xcb_generate_id(c)),
- draw,
- buffer->size,
- width, height, buffer->pitch,
- depth, buffer->cpp * 8,
- buffer_fd);
-
- xcb_dri3_fence_from_fd(c,
- pixmap,
- (sync_fence = xcb_generate_id(c)),
- false,
- fence_fd);
-
- buffer->pixmap = pixmap;
- buffer->own_pixmap = true;
- buffer->sync_fence = sync_fence;
- buffer->shm_fence = shm_fence;
- buffer->width = width;
- buffer->height = height;
-
- /* Mark the buffer as idle
- */
- dri3_fence_set(buffer);
-
- return buffer;
-
-no_buffer_attrib:
- (*psc->image->destroyImage)(pixmap_buffer);
-no_linear_buffer:
- if (psc->is_different_gpu)
- (*psc->image->destroyImage)(buffer->image);
-no_image:
- free(buffer);
-no_buffer:
- xshmfence_unmap_shm(shm_fence);
-no_shm_fence:
- close(fence_fd);
- ErrorMessageF("DRI3 alloc_render_buffer failed\n");
- return NULL;
-}
-
-/** dri3_free_render_buffer
- *
- * Free everything associated with one render buffer including pixmap, fence
- * stuff and the driver image
- */
-static void
-dri3_free_render_buffer(struct dri3_drawable *pdraw, struct dri3_buffer *buffer)
-{
- struct dri3_screen *psc = (struct dri3_screen *) pdraw->base.psc;
- xcb_connection_t *c = XGetXCBConnection(pdraw->base.psc->dpy);
-
- if (buffer->own_pixmap)
- xcb_free_pixmap(c, buffer->pixmap);
- xcb_sync_destroy_fence(c, buffer->sync_fence);
- xshmfence_unmap_shm(buffer->shm_fence);
- (*psc->image->destroyImage)(buffer->image);
- if (buffer->linear_buffer)
- (*psc->image->destroyImage)(buffer->linear_buffer);
- free(buffer);
-}
-
-
-/** dri3_flush_present_events
- *
- * Process any present events that have been received from the X server
- */
-static void
-dri3_flush_present_events(struct dri3_drawable *priv)
-{
- xcb_connection_t *c = XGetXCBConnection(priv->base.psc->dpy);
-
- /* Check to see if any configuration changes have occurred
- * since we were last invoked
- */
- if (priv->special_event) {
- xcb_generic_event_t *ev;
-
- while ((ev = xcb_poll_for_special_event(c, priv->special_event)) != NULL) {
- xcb_present_generic_event_t *ge = (void *) ev;
- dri3_handle_present_event(priv, ge);
- }
- }
-}
-
-/** dri3_update_drawable
- *
- * Called the first time we use the drawable and then
- * after we receive present configure notify events to
- * track the geometry of the drawable
- */
-static int
-dri3_update_drawable(__DRIdrawable *driDrawable, void *loaderPrivate)
-{
- struct dri3_drawable *priv = loaderPrivate;
- xcb_connection_t *c = XGetXCBConnection(priv->base.psc->dpy);
-
- /* First time through, go get the current drawable geometry
- */
- if (priv->width == 0 || priv->height == 0 || priv->depth == 0) {
- xcb_get_geometry_cookie_t geom_cookie;
- xcb_get_geometry_reply_t *geom_reply;
- xcb_void_cookie_t cookie;
- xcb_generic_error_t *error;
- xcb_present_query_capabilities_cookie_t present_capabilities_cookie;
- xcb_present_query_capabilities_reply_t *present_capabilities_reply;
-
-
- /* Try to select for input on the window.
- *
- * If the drawable is a window, this will get our events
- * delivered.
- *
- * Otherwise, we'll get a BadWindow error back from this request which
- * will let us know that the drawable is a pixmap instead.
- */
-
-
- cookie = xcb_present_select_input_checked(c,
- (priv->eid = xcb_generate_id(c)),
- priv->base.xDrawable,
- XCB_PRESENT_EVENT_MASK_CONFIGURE_NOTIFY|
- XCB_PRESENT_EVENT_MASK_COMPLETE_NOTIFY|
- XCB_PRESENT_EVENT_MASK_IDLE_NOTIFY);
-
- present_capabilities_cookie = xcb_present_query_capabilities(c, priv->base.xDrawable);
-
- /* Create an XCB event queue to hold present events outside of the usual
- * application event queue
- */
- priv->special_event = xcb_register_for_special_xge(c,
- &xcb_present_id,
- priv->eid,
- priv->stamp);
-
- geom_cookie = xcb_get_geometry(c, priv->base.xDrawable);
-
- geom_reply = xcb_get_geometry_reply(c, geom_cookie, NULL);
-
- if (!geom_reply)
- return false;
-
- priv->width = geom_reply->width;
- priv->height = geom_reply->height;
- priv->depth = geom_reply->depth;
- priv->is_pixmap = false;
-
- free(geom_reply);
-
- /* Check to see if our select input call failed. If it failed with a
- * BadWindow error, then assume the drawable is a pixmap. Destroy the
- * special event queue created above and mark the drawable as a pixmap
- */
-
- error = xcb_request_check(c, cookie);
-
- present_capabilities_reply = xcb_present_query_capabilities_reply(c,
- present_capabilities_cookie,
- NULL);
-
- if (present_capabilities_reply) {
- priv->present_capabilities = present_capabilities_reply->capabilities;
- free(present_capabilities_reply);
- } else
- priv->present_capabilities = 0;
-
- if (error) {
- if (error->error_code != BadWindow) {
- free(error);
- return false;
- }
- priv->is_pixmap = true;
- xcb_unregister_for_special_event(c, priv->special_event);
- priv->special_event = NULL;
- }
- }
- dri3_flush_present_events(priv);
- 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;
-}
-
-/** dri3_get_pixmap_buffer
- *
- * Get the DRM object for a pixmap from the X server and
- * wrap that with a __DRIimage structure using createImageFromFds
- */
-static struct dri3_buffer *
-dri3_get_pixmap_buffer(__DRIdrawable *driDrawable,
- unsigned int format,
- enum dri3_buffer_type buffer_type,
- void *loaderPrivate)
-{
- struct dri3_drawable *pdraw = loaderPrivate;
- int buf_id = dri3_pixmap_buf_id(buffer_type);
- struct dri3_buffer *buffer = pdraw->buffers[buf_id];
- Pixmap pixmap;
- xcb_dri3_buffer_from_pixmap_cookie_t bp_cookie;
- xcb_dri3_buffer_from_pixmap_reply_t *bp_reply;
- int *fds;
- Display *dpy;
- struct dri3_screen *psc;
- xcb_connection_t *c;
- xcb_sync_fence_t sync_fence;
- struct xshmfence *shm_fence;
- int fence_fd;
- __DRIimage *image_planar;
- int stride, offset;
-
- if (buffer)
- return buffer;
-
- pixmap = pdraw->base.xDrawable;
- psc = (struct dri3_screen *) pdraw->base.psc;
- dpy = psc->base.dpy;
- c = XGetXCBConnection(dpy);
-
- buffer = calloc(1, sizeof (struct dri3_buffer));
- if (!buffer)
- goto no_buffer;
-
- fence_fd = xshmfence_alloc_shm();
- if (fence_fd < 0)
- goto no_fence;
- shm_fence = xshmfence_map_shm(fence_fd);
- if (shm_fence == NULL) {
- close (fence_fd);
- goto no_fence;
- }
-
- xcb_dri3_fence_from_fd(c,
- pixmap,
- (sync_fence = xcb_generate_id(c)),
- false,
- fence_fd);
-
- /* Get an FD for the pixmap object
- */
- bp_cookie = xcb_dri3_buffer_from_pixmap(c, pixmap);
- bp_reply = xcb_dri3_buffer_from_pixmap_reply(c, bp_cookie, NULL);
- if (!bp_reply)
- goto no_image;
- fds = xcb_dri3_buffer_from_pixmap_reply_fds(c, bp_reply);
-
- stride = bp_reply->stride;
- offset = 0;
-
- /* createImageFromFds creates a wrapper __DRIimage structure which
- * can deal with multiple planes for things like Yuv images. So, once
- * we've gotten the planar wrapper, pull the single plane out of it and
- * discard the wrapper.
- */
- image_planar = (*psc->image->createImageFromFds) (psc->driScreen,
- bp_reply->width,
- bp_reply->height,
- image_format_to_fourcc(format),
- fds, 1,
- &stride, &offset, buffer);
- close(fds[0]);
- if (!image_planar)
- goto no_image;
-
- buffer->image = (*psc->image->fromPlanar)(image_planar, 0, buffer);
-
- (*psc->image->destroyImage)(image_planar);
-
- 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->shm_fence = shm_fence;
- buffer->sync_fence = sync_fence;
-
- pdraw->buffers[buf_id] = buffer;
- return buffer;
-
-no_image:
- xcb_sync_destroy_fence(c, sync_fence);
- xshmfence_unmap_shm(shm_fence);
-no_fence:
- free(buffer);
-no_buffer:
- return NULL;
-}
-
-/** dri3_find_back
- *
- * Find an idle back buffer. If there isn't one, then
- * wait for a present idle notify event from the X server
- */
-static int
-dri3_find_back(xcb_connection_t *c, struct dri3_drawable *priv)
-{
- int b;
- xcb_generic_event_t *ev;
- xcb_present_generic_event_t *ge;
-
- for (;;) {
- for (b = 0; b < priv->num_back; b++) {
- int id = DRI3_BACK_ID((b + priv->cur_back) % priv->num_back);
- struct dri3_buffer *buffer = priv->buffers[id];
-
- if (!buffer || !buffer->busy) {
- priv->cur_back = id;
- return id;
- }
- }
- xcb_flush(c);
- ev = xcb_wait_for_special_event(c, priv->special_event);
- if (!ev)
- return -1;
- ge = (void *) ev;
- dri3_handle_present_event(priv, ge);
- }
-}
-
-/** dri3_get_buffer
- *
- * Find a front or back buffer, allocating new ones as necessary
- */
-static struct dri3_buffer *
-dri3_get_buffer(__DRIdrawable *driDrawable,
- unsigned int format,
- enum dri3_buffer_type buffer_type,
- void *loaderPrivate)
-{
- struct dri3_context *pcp = (struct dri3_context *) __glXGetCurrentContext();
- struct dri3_drawable *priv = loaderPrivate;
- struct dri3_screen *psc = (struct dri3_screen *) priv->base.psc;
- xcb_connection_t *c = XGetXCBConnection(priv->base.psc->dpy);
- struct dri3_buffer *buffer;
- int buf_id;
-
- if (buffer_type == dri3_buffer_back) {
- buf_id = dri3_find_back(c, priv);
-
- if (buf_id < 0)
- return NULL;
- } else {
- buf_id = DRI3_FRONT_ID;
- }
-
- buffer = priv->buffers[buf_id];
-
- /* Allocate a new buffer if there isn't an old one, or if that
- * old one is the wrong size
- */
- if (!buffer || buffer->width != priv->width || buffer->height != priv->height) {
- struct dri3_buffer *new_buffer;
-
- /* Allocate the new buffers
- */
- new_buffer = dri3_alloc_render_buffer(priv->base.psc,
- priv->base.xDrawable,
- format, priv->width, priv->height, priv->depth);
- if (!new_buffer)
- return NULL;
-
- /* When resizing, copy the contents of the old buffer, waiting for that
- * copy to complete using our fences before proceeding
- */
- switch (buffer_type) {
- case dri3_buffer_back:
- if (buffer) {
- if (!buffer->linear_buffer) {
- dri3_fence_reset(c, new_buffer);
- dri3_fence_await(c, buffer);
- dri3_copy_area(c,
- buffer->pixmap,
- new_buffer->pixmap,
- dri3_drawable_gc(priv),
- 0, 0, 0, 0, priv->width, priv->height);
- dri3_fence_trigger(c, new_buffer);
- } else if ((&pcp->base != &dummyContext) && pcp->base.psc == &psc->base) {
- psc->image->blitImage(pcp->driContext,
- new_buffer->image,
- buffer->image,
- 0, 0, priv->width,
- priv->height,
- 0, 0, priv->width,
- priv->height, 0);
- }
- dri3_free_render_buffer(priv, buffer);
- }
- break;
- case dri3_buffer_front:
- dri3_fence_reset(c, new_buffer);
- dri3_copy_area(c,
- priv->base.xDrawable,
- new_buffer->pixmap,
- dri3_drawable_gc(priv),
- 0, 0, 0, 0, priv->width, priv->height);
- dri3_fence_trigger(c, new_buffer);
-
- if (new_buffer->linear_buffer && (&pcp->base != &dummyContext) && pcp->base.psc == &psc->base) {
- dri3_fence_await(c, new_buffer);
- psc->image->blitImage(pcp->driContext,
- new_buffer->image,
- new_buffer->linear_buffer,
- 0, 0, priv->width,
- priv->height,
- 0, 0, priv->width,
- priv->height, 0);
- }
- break;
- }
- buffer = new_buffer;
- buffer->buffer_type = buffer_type;
- priv->buffers[buf_id] = buffer;
- }
- dri3_fence_await(c, buffer);
-
- /* Return the requested buffer */
- return buffer;
-}
-
-/** dri3_free_buffers
- *
- * Free the front bufffer or all of the back buffers. Used
- * when the application changes which buffers it needs
- */
-static void
-dri3_free_buffers(__DRIdrawable *driDrawable,
- enum dri3_buffer_type buffer_type,
- void *loaderPrivate)
-{
- struct dri3_drawable *priv = loaderPrivate;
- struct dri3_buffer *buffer;
- int first_id;
- int n_id;
- int buf_id;
-
- switch (buffer_type) {
- case dri3_buffer_back:
- first_id = DRI3_BACK_ID(0);
- n_id = DRI3_MAX_BACK;
- break;
- case dri3_buffer_front:
- first_id = DRI3_FRONT_ID;
- n_id = 1;
- }
-
- for (buf_id = first_id; buf_id < first_id + n_id; buf_id++) {
- buffer = priv->buffers[buf_id];
- if (buffer) {
- dri3_free_render_buffer(priv, buffer);
- priv->buffers[buf_id] = NULL;
- }
- }
-}
-
-/** dri3_get_buffers
- *
- * The published buffer allocation API.
- * Returns all of the necessary buffers, allocating
- * as needed.
- */
-static int
-dri3_get_buffers(__DRIdrawable *driDrawable,
- unsigned int format,
- uint32_t *stamp,
- void *loaderPrivate,
- uint32_t buffer_mask,
- struct __DRIimageList *buffers)
-{
- struct dri3_drawable *priv = loaderPrivate;
- struct dri3_screen *psc = (struct dri3_screen *) priv->base.psc;
- struct dri3_buffer *front, *back;
-
- buffers->image_mask = 0;
- buffers->front = NULL;
- buffers->back = NULL;
-
- front = NULL;
- back = NULL;
-
- if (!dri3_update_drawable(driDrawable, loaderPrivate))
- return false;
-
- /* pixmaps always have front buffers */
- if (priv->is_pixmap)
- buffer_mask |= __DRI_IMAGE_BUFFER_FRONT;
-
- if (buffer_mask & __DRI_IMAGE_BUFFER_FRONT) {
- /* All pixmaps are owned by the server gpu.
- * When we use a different gpu, we can't use the pixmap
- * as buffer since it is potentially tiled a way
- * our device can't understand. In this case, use
- * a fake front buffer. Hopefully the pixmap
- * content will get synced with the fake front
- * buffer.
- */
- if (priv->is_pixmap && !psc->is_different_gpu)
- front = dri3_get_pixmap_buffer(driDrawable,
- format,
- dri3_buffer_front,
- loaderPrivate);
- else
- front = dri3_get_buffer(driDrawable,
- format,
- dri3_buffer_front,
- loaderPrivate);
-
- if (!front)
- return false;
- } else {
- dri3_free_buffers(driDrawable, dri3_buffer_front, loaderPrivate);
- priv->have_fake_front = 0;
- }
-
- if (buffer_mask & __DRI_IMAGE_BUFFER_BACK) {
- back = dri3_get_buffer(driDrawable,
- format,
- dri3_buffer_back,
- loaderPrivate);
- if (!back)
- return false;
- priv->have_back = 1;
- } else {
- dri3_free_buffers(driDrawable, dri3_buffer_back, loaderPrivate);
- priv->have_back = 0;
- }
-
- if (front) {
- buffers->image_mask |= __DRI_IMAGE_BUFFER_FRONT;
- buffers->front = front->image;
- priv->have_fake_front = psc->is_different_gpu || !priv->is_pixmap;
- }
-
- if (back) {
- buffers->image_mask |= __DRI_IMAGE_BUFFER_BACK;
- buffers->back = back->image;
- }
+ loader_dri3_flush(draw, __DRI2_FLUSH_DRAWABLE, __DRI2_THROTTLE_FLUSHFRONT);
- priv->stamp = stamp;
-
- return true;
+ loader_dri3_wait_gl(draw);
}
/* The image loader extension record for DRI3
@@ -1496,7 +519,7 @@ dri3_get_buffers(__DRIdrawable *driDrawable,
static const __DRIimageLoaderExtension imageLoaderExtension = {
.base = { __DRI_IMAGE_LOADER, 1 },
- .getBuffers = dri3_get_buffers,
+ .getBuffers = loader_dri3_get_buffers,
.flushFrontBuffer = dri3_flush_front_buffer,
};
@@ -1519,172 +542,25 @@ static int64_t
dri3_swap_buffers(__GLXDRIdrawable *pdraw, int64_t target_msc, int64_t divisor,
int64_t remainder, Bool flush)
{
- struct dri3_context *pcp = (struct dri3_context *) __glXGetCurrentContext();
struct dri3_drawable *priv = (struct dri3_drawable *) pdraw;
- struct dri3_screen *psc = (struct dri3_screen *) priv->base.psc;
- Display *dpy = priv->base.psc->dpy;
- xcb_connection_t *c = XGetXCBConnection(dpy);
- struct dri3_buffer *back;
- int64_t ret = 0;
- uint32_t options = XCB_PRESENT_OPTION_NONE;
-
unsigned flags = __DRI2_FLUSH_DRAWABLE;
+
if (flush)
flags |= __DRI2_FLUSH_CONTEXT;
- dri3_flush(psc, priv, flags, __DRI2_THROTTLE_SWAPBUFFER);
-
- back = priv->buffers[DRI3_BACK_ID(priv->cur_back)];
- if (psc->is_different_gpu && back) {
- /* Update the linear buffer before presenting the pixmap */
- psc->image->blitImage(pcp->driContext,
- 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 (priv->have_fake_front)
- psc->image->blitImage(pcp->driContext,
- priv->buffers[DRI3_FRONT_ID]->image,
- back->image,
- 0, 0, priv->width,
- priv->height,
- 0, 0, priv->width,
- priv->height, __BLIT_FLAG_FLUSH);
- }
- dri3_flush_present_events(priv);
-
- if (back && !priv->is_pixmap) {
- dri3_fence_reset(c, back);
-
- /* Compute when we want the frame shown by taking the last known successful
- * MSC and adding in a swap interval for each outstanding swap request.
- * target_msc=divisor=remainder=0 means "Use glXSwapBuffers() semantic"
- */
- ++priv->send_sbc;
- if (target_msc == 0 && divisor == 0 && remainder == 0)
- target_msc = priv->msc + priv->swap_interval * (priv->send_sbc - priv->recv_sbc);
- else if (divisor == 0 && remainder > 0) {
- /* From the GLX_OML_sync_control spec:
- *
- * "If <divisor> = 0, the swap will occur when MSC becomes
- * greater than or equal to <target_msc>."
- *
- * Note that there's no mention of the remainder. The Present extension
- * throws BadValue for remainder != 0 with divisor == 0, so just drop
- * the passed in value.
- */
- remainder = 0;
- }
-
- /* From the GLX_EXT_swap_control spec:
- *
- * "If <interval> is set to a value of 0, buffer swaps are not
- * synchronized to a video frame."
- *
- * Implementation note: It is possible to enable triple buffering behaviour
- * by not using XCB_PRESENT_OPTION_ASYNC, but this should not be the default.
- */
- if (priv->swap_interval == 0)
- options |= XCB_PRESENT_OPTION_ASYNC;
-
- back->busy = 1;
- back->last_swap = priv->send_sbc;
- xcb_present_pixmap(c,
- priv->base.xDrawable,
- back->pixmap,
- (uint32_t) priv->send_sbc,
- 0, /* valid */
- 0, /* update */
- 0, /* x_off */
- 0, /* y_off */
- None, /* target_crtc */
- None,
- back->sync_fence,
- options,
- target_msc,
- divisor,
- remainder, 0, NULL);
- ret = (int64_t) priv->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
- */
- if (priv->have_fake_front && !psc->is_different_gpu) {
- dri3_fence_reset(c, priv->buffers[DRI3_FRONT_ID]);
- dri3_copy_area(c,
- back->pixmap,
- priv->buffers[DRI3_FRONT_ID]->pixmap,
- dri3_drawable_gc(priv),
- 0, 0, 0, 0, priv->width, priv->height);
- dri3_fence_trigger(c, priv->buffers[DRI3_FRONT_ID]);
- }
- xcb_flush(c);
- if (priv->stamp)
- ++(*priv->stamp);
- }
-
- (*psc->f->invalidate)(priv->driDrawable);
-
- return ret;
+ return loader_dri3_swap_buffers_msc(priv->loader_drawable,
+ target_msc, divisor, remainder,
+ flags, false);
}
static int
dri3_get_buffer_age(__GLXDRIdrawable *pdraw)
{
- xcb_connection_t *c = XGetXCBConnection(pdraw->psc->dpy);
- struct dri3_drawable *priv = (struct dri3_drawable *) pdraw;
- int back_id = DRI3_BACK_ID(dri3_find_back(c, priv));
+ struct dri3_drawable *priv = (struct dri3_drawable *)pdraw;
- if (back_id < 0 || !priv->buffers[back_id])
- return 0;
-
- if (priv->buffers[back_id]->last_swap != 0)
- return priv->send_sbc - priv->buffers[back_id]->last_swap + 1;
- else
- return 0;
+ return loader_dri3_query_buffer_age(priv->loader_drawable);
}
-/** dri3_open
- *
- * Wrapper around xcb_dri3_open
- */
-static int
-dri3_open(Display *dpy,
- Window root,
- CARD32 provider)
-{
- xcb_dri3_open_cookie_t cookie;
- xcb_dri3_open_reply_t *reply;
- xcb_connection_t *c = XGetXCBConnection(dpy);
- int fd;
-
- cookie = xcb_dri3_open(c,
- root,
- provider);
-
- reply = xcb_dri3_open_reply(c, cookie, NULL);
- if (!reply)
- return -1;
-
- if (reply->nfd != 1) {
- free(reply);
- return -1;
- }
-
- fd = xcb_dri3_open_reply_fds(c, reply)[0];
- fcntl(fd, F_SETFD, FD_CLOEXEC);
-
- free(reply);
-
- return fd;
-}
-
-
/** dri3_destroy_screen
*/
static void
@@ -1727,8 +603,7 @@ dri3_set_swap_interval(__GLXDRIdrawable *pdraw, int interval)
break;
}
- priv->swap_interval = interval;
- dri3_update_num_back(priv);
+ loader_dri3_set_swap_interval(priv->loader_drawable, interval);
return 0;
}
@@ -1759,14 +634,14 @@ dri3_bind_tex_image(Display * dpy,
if (pdraw != NULL) {
psc = (struct dri3_screen *) base->psc;
- (*psc->f->invalidate)(pdraw->driDrawable);
+ (*psc->f->invalidate)(pdraw->loader_drawable->dri_drawable);
XSync(dpy, false);
(*psc->texBuffer->setTexBuffer2) (pcp->driContext,
pdraw->base.textureTarget,
pdraw->base.textureFormat,
- pdraw->driDrawable);
+ pdraw->loader_drawable->dri_drawable);
}
}
@@ -1786,7 +661,7 @@ dri3_release_tex_image(Display * dpy, GLXDrawable drawable, int buffer)
psc->texBuffer->releaseTexBuffer != NULL)
(*psc->texBuffer->releaseTexBuffer) (pcp->driContext,
pdraw->base.textureTarget,
- pdraw->driDrawable);
+ pdraw->loader_drawable->dri_drawable);
}
}
@@ -1908,7 +783,7 @@ dri3_create_screen(int screen, struct glx_display * priv)
return NULL;
}
- psc->fd = dri3_open(priv->dpy, RootWindow(priv->dpy, screen), None);
+ psc->fd = loader_dri3_open(c, RootWindow(priv->dpy, screen), None);
if (psc->fd < 0) {
int conn_error = xcb_connection_has_error(c);
@@ -2000,6 +875,13 @@ dri3_create_screen(int screen, struct glx_display * priv)
goto handle_error;
}
+ psc->loader_dri3_ext.core = psc->core;
+ psc->loader_dri3_ext.image_driver = psc->image_driver;
+ psc->loader_dri3_ext.flush = psc->f;
+ psc->loader_dri3_ext.tex_buffer = psc->texBuffer;
+ psc->loader_dri3_ext.image = psc->image;
+ psc->loader_dri3_ext.config = psc->config;
+
configs = driConvertConfigs(psc->core, psc->base.configs, driver_configs);
visuals = driConvertConfigs(psc->core, psc->base.visuals, driver_configs);
diff --git a/src/glx/dri3_priv.h b/src/glx/dri3_priv.h
index 1604449..cdec32f 100644
--- a/src/glx/dri3_priv.h
+++ b/src/glx/dri3_priv.h
@@ -59,50 +59,14 @@
#include <xcb/present.h>
#include <xcb/sync.h>
+#include "loader_dri3_helper.h"
+
/* From xmlpool/options.h, user exposed so should be stable */
#define DRI_CONF_VBLANK_NEVER 0
#define DRI_CONF_VBLANK_DEF_INTERVAL_0 1
#define DRI_CONF_VBLANK_DEF_INTERVAL_1 2
#define DRI_CONF_VBLANK_ALWAYS_SYNC 3
-enum dri3_buffer_type {
- dri3_buffer_back = 0,
- dri3_buffer_front = 1
-};
-
-struct dri3_buffer {
- __DRIimage *image;
- __DRIimage *linear_buffer;
- uint32_t pixmap;
-
- /* Synchronization between the client and X server is done using an
- * xshmfence that is mapped into an X server SyncFence. This lets the
- * client check whether the X server is done using a buffer with a simple
- * xshmfence call, rather than going to read X events from the wire.
- *
- * However, we can only wait for one xshmfence to be triggered at a time,
- * so we need to know *which* buffer is going to be idle next. We do that
- * by waiting for a PresentIdleNotify event. When that event arrives, the
- * 'busy' flag gets cleared and the client knows that the fence has been
- * triggered, and that the wait call will not block.
- */
-
- uint32_t sync_fence; /* XID of X SyncFence object */
- struct xshmfence *shm_fence; /* pointer to xshmfence object */
- GLboolean busy; /* Set on swap, cleared on IdleNotify */
- GLboolean own_pixmap; /* We allocated the pixmap ID, free on destroy */
- void *driverPrivate;
-
- uint32_t size;
- uint32_t pitch;
- uint32_t cpp;
- uint32_t flags;
- uint32_t width, height;
- uint64_t last_swap;
-
- enum dri3_buffer_type buffer_type;
-};
-
struct dri3_display
{
__GLXDRIdisplay base;
@@ -139,6 +103,8 @@ struct dri3_screen {
int is_different_gpu;
int show_fps_interval;
+
+ struct loader_dri3_extensions loader_dri3_ext;
};
struct dri3_context
@@ -147,64 +113,16 @@ struct dri3_context
__DRIcontext *driContext;
};
-#define DRI3_MAX_BACK 4
-#define DRI3_BACK_ID(i) (i)
-#define DRI3_FRONT_ID (DRI3_MAX_BACK)
-
-static inline int
-dri3_pixmap_buf_id(enum dri3_buffer_type buffer_type)
-{
- if (buffer_type == dri3_buffer_back)
- return DRI3_BACK_ID(0);
- else
- return DRI3_FRONT_ID;
-}
-
-#define DRI3_NUM_BUFFERS (1 + DRI3_MAX_BACK)
-
struct dri3_drawable {
__GLXDRIdrawable base;
- __DRIdrawable *driDrawable;
- int width, height, depth;
+ int width, height;
int swap_interval;
- uint8_t have_back;
- uint8_t have_fake_front;
- uint8_t is_pixmap;
- uint8_t flipping;
-
- /* Present extension capabilities
- */
- uint32_t present_capabilities;
-
- /* SBC numbers are tracked by using the serial numbers
- * in the present request and complete events
- */
- uint64_t send_sbc;
- uint64_t recv_sbc;
-
- /* Last received UST/MSC values for pixmap present complete */
- uint64_t ust, msc;
-
- /* Last received UST/MSC values from present notify msc event */
- uint64_t notify_ust, notify_msc;
-
- /* Serial numbers for tracking wait_for_msc events */
- uint32_t send_msc_serial;
- uint32_t recv_msc_serial;
-
- struct dri3_buffer *buffers[DRI3_NUM_BUFFERS];
- int cur_back;
- int num_back;
-
- uint32_t *stamp;
-
- xcb_present_event_t eid;
- xcb_gcontext_t gc;
- xcb_special_event_t *special_event;
/* LIBGL_SHOW_FPS support */
uint64_t previous_ust;
unsigned frames;
+
+ struct loader_dri3_drawable *loader_drawable;
};
--
2.4.4
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