#include <X11/Xlib.h>
#include <X11/extensions/Xfixes.h>
-#include <X11/extensions/Xdamage.h>
-#include "glapi.h"
+#include <X11/Xlib-xcb.h>
+#include <xcb/xcb.h>
+#include <xcb/dri2.h>
#include "glxclient.h"
#include <X11/extensions/dri2proto.h>
-#include "xf86dri.h"
#include <dlfcn.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/mman.h>
-#include "xf86drm.h"
+#include <sys/time.h>
#include "dri2.h"
#include "dri_common.h"
+#include "dri2_priv.h"
+#include "loader.h"
/* From xmlpool/options.h, user exposed so should be stable */
#define DRI_CONF_VBLANK_NEVER 0
__glxHashTable *dri2Hash;
- const __DRIextension *loader_extensions[4];
-};
-
-struct dri2_screen {
- struct glx_screen base;
-
- __DRIscreen *driScreen;
- __GLXDRIscreen vtable;
- const __DRIdri2Extension *dri2;
- const __DRIcoreExtension *core;
-
- const __DRI2flushExtension *f;
- const __DRI2configQueryExtension *config;
- const __DRItexBufferExtension *texBuffer;
- const __DRIconfig **driver_configs;
-
- void *driver;
- int fd;
-};
-
-struct dri2_context
-{
- struct glx_context base;
- __DRIcontext *driContext;
+ const __DRIextension *loader_extensions[5];
};
struct dri2_drawable
int have_back;
int have_fake_front;
int swap_interval;
+
+ uint64_t previous_time;
+ unsigned frames;
};
static const struct glx_context_vtable dri2_context_vtable;
+/* For XCB's handling of ust/msc/sbc counters, we have to hand it the high and
+ * low halves separately. This helps you split them.
+ */
+static void
+split_counter(uint64_t counter, uint32_t *hi, uint32_t *lo)
+{
+ *hi = (counter >> 32);
+ *lo = counter & 0xffffffff;
+}
+
+static uint64_t
+merge_counter(uint32_t hi, uint32_t lo)
+{
+ return ((uint64_t)hi << 32) | lo;
+}
+
static void
dri2_destroy_context(struct glx_context *context)
{
driReleaseDrawables(&pcp->base);
- if (context->xid)
- glx_send_destroy_context(psc->base.dpy, context->xid);
-
- if (context->extensions)
- XFree((char *) context->extensions);
+ free((char *) context->extensions);
(*psc->core->destroyContext) (pcp->driContext);
- Xfree(pcp);
+ free(pcp);
}
static Bool
struct dri2_context *pcp = (struct dri2_context *) context;
struct dri2_screen *psc = (struct dri2_screen *) pcp->base.psc;
struct dri2_drawable *pdraw, *pread;
+ __DRIdrawable *dri_draw = NULL, *dri_read = NULL;
+ struct glx_display *dpyPriv = psc->base.display;
struct dri2_display *pdp;
pdraw = (struct dri2_drawable *) driFetchDrawable(context, draw);
driReleaseDrawables(&pcp->base);
- if (pdraw == NULL || pread == NULL)
+ if (pdraw)
+ dri_draw = pdraw->driDrawable;
+ else if (draw != None)
+ return GLXBadDrawable;
+
+ if (pread)
+ dri_read = pread->driDrawable;
+ else if (read != None)
return GLXBadDrawable;
- if (!(*psc->core->bindContext) (pcp->driContext,
- pdraw->driDrawable, pread->driDrawable))
+ if (!(*psc->core->bindContext) (pcp->driContext, dri_draw, dri_read))
return GLXBadContext;
/* If the server doesn't send invalidate events, we may miss a
* resize before the rendering starts. Invalidate the buffers now
* so the driver will recheck before rendering starts. */
- pdp = (struct dri2_display *) psc->base.display;
- if (!pdp->invalidateAvailable) {
+ pdp = (struct dri2_display *) dpyPriv->dri2Display;
+ if (!pdp->invalidateAvailable && pdraw) {
dri2InvalidateBuffers(psc->base.dpy, pdraw->base.xDrawable);
- if (pread != pdraw)
+ if (pread != pdraw && pread)
dri2InvalidateBuffers(psc->base.dpy, pread->base.xDrawable);
}
__GLXDRIconfigPrivate *config = (__GLXDRIconfigPrivate *) config_base;
__DRIcontext *shared = NULL;
+ /* Check the renderType value */
+ if (!validate_renderType_against_config(config_base, renderType))
+ return NULL;
+
if (shareList) {
+ /* If the shareList context is not a DRI2 context, we cannot possibly
+ * create a DRI2 context that shares it.
+ */
+ if (shareList->vtable->destroy != dri2_destroy_context) {
+ return NULL;
+ }
+
pcp_shared = (struct dri2_context *) shareList;
shared = pcp_shared->driContext;
}
- pcp = Xmalloc(sizeof *pcp);
+ pcp = calloc(1, sizeof *pcp);
if (pcp == NULL)
return NULL;
- memset(pcp, 0, sizeof *pcp);
if (!glx_context_init(&pcp->base, &psc->base, &config->base)) {
- Xfree(pcp);
+ free(pcp);
return NULL;
}
+ pcp->base.renderType = renderType;
+
pcp->driContext =
(*psc->dri2->createNewContext) (psc->driScreen,
config->driConfig, shared, pcp);
if (pcp->driContext == NULL) {
- Xfree(pcp);
+ free(pcp);
return NULL;
}
return &pcp->base;
}
+static struct glx_context *
+dri2_create_context_attribs(struct glx_screen *base,
+ struct glx_config *config_base,
+ struct glx_context *shareList,
+ unsigned num_attribs,
+ const uint32_t *attribs,
+ unsigned *error)
+{
+ struct dri2_context *pcp = NULL;
+ struct dri2_context *pcp_shared = NULL;
+ struct dri2_screen *psc = (struct dri2_screen *) base;
+ __GLXDRIconfigPrivate *config = (__GLXDRIconfigPrivate *) config_base;
+ __DRIcontext *shared = NULL;
+
+ uint32_t minor_ver;
+ uint32_t major_ver;
+ uint32_t renderType;
+ uint32_t flags;
+ unsigned api;
+ int reset;
+ int release;
+ uint32_t ctx_attribs[2 * 6];
+ unsigned num_ctx_attribs = 0;
+
+ if (psc->dri2->base.version < 3) {
+ *error = __DRI_CTX_ERROR_NO_MEMORY;
+ goto error_exit;
+ }
+
+ /* Remap the GLX tokens to DRI2 tokens.
+ */
+ if (!dri2_convert_glx_attribs(num_attribs, attribs,
+ &major_ver, &minor_ver, &renderType, &flags,
+ &api, &reset, &release, error))
+ goto error_exit;
+
+ /* Check the renderType value */
+ if (!validate_renderType_against_config(config_base, renderType))
+ goto error_exit;
+
+ if (shareList) {
+ pcp_shared = (struct dri2_context *) shareList;
+ shared = pcp_shared->driContext;
+ }
+
+ pcp = calloc(1, sizeof *pcp);
+ if (pcp == NULL) {
+ *error = __DRI_CTX_ERROR_NO_MEMORY;
+ goto error_exit;
+ }
+
+ if (!glx_context_init(&pcp->base, &psc->base, config_base))
+ goto error_exit;
+
+ ctx_attribs[num_ctx_attribs++] = __DRI_CTX_ATTRIB_MAJOR_VERSION;
+ ctx_attribs[num_ctx_attribs++] = major_ver;
+ ctx_attribs[num_ctx_attribs++] = __DRI_CTX_ATTRIB_MINOR_VERSION;
+ ctx_attribs[num_ctx_attribs++] = minor_ver;
+
+ /* Only send a value when the non-default value is requested. By doing
+ * this we don't have to check the driver's DRI2 version before sending the
+ * default value.
+ */
+ if (reset != __DRI_CTX_RESET_NO_NOTIFICATION) {
+ ctx_attribs[num_ctx_attribs++] = __DRI_CTX_ATTRIB_RESET_STRATEGY;
+ ctx_attribs[num_ctx_attribs++] = reset;
+ }
+
+ if (release != __DRI_CTX_RELEASE_BEHAVIOR_FLUSH) {
+ ctx_attribs[num_ctx_attribs++] = __DRI_CTX_ATTRIB_RELEASE_BEHAVIOR;
+ ctx_attribs[num_ctx_attribs++] = release;
+ }
+
+ if (flags != 0) {
+ ctx_attribs[num_ctx_attribs++] = __DRI_CTX_ATTRIB_FLAGS;
+
+ /* The current __DRI_CTX_FLAG_* values are identical to the
+ * GLX_CONTEXT_*_BIT values.
+ */
+ ctx_attribs[num_ctx_attribs++] = flags;
+ }
+
+ /* The renderType is retrieved from attribs, or set to default
+ * of GLX_RGBA_TYPE.
+ */
+ pcp->base.renderType = renderType;
+
+ pcp->driContext =
+ (*psc->dri2->createContextAttribs) (psc->driScreen,
+ api,
+ config ? config->driConfig : NULL,
+ shared,
+ num_ctx_attribs / 2,
+ ctx_attribs,
+ error,
+ pcp);
+
+ if (pcp->driContext == NULL)
+ goto error_exit;
+
+ pcp->base.vtable = &dri2_context_vtable;
+
+ return &pcp->base;
+
+error_exit:
+ free(pcp);
+
+ return NULL;
+}
+
static void
dri2DestroyDrawable(__GLXDRIdrawable *base)
{
if (pdraw->base.xDrawable != pdraw->base.drawable)
DRI2DestroyDrawable(psc->base.dpy, pdraw->base.xDrawable);
- Xfree(pdraw);
+ free(pdraw);
}
static __GLXDRIdrawable *
struct dri2_display *pdp;
GLint vblank_mode = DRI_CONF_VBLANK_DEF_INTERVAL_1;
- pdraw = Xmalloc(sizeof(*pdraw));
+ dpyPriv = __glXInitialize(psc->base.dpy);
+ if (dpyPriv == NULL)
+ return NULL;
+
+ pdraw = calloc(1, sizeof(*pdraw));
if (!pdraw)
return NULL;
- memset(pdraw, 0, sizeof *pdraw);
pdraw->base.destroyDrawable = dri2DestroyDrawable;
pdraw->base.xDrawable = xDrawable;
pdraw->base.drawable = drawable;
}
DRI2CreateDrawable(psc->base.dpy, xDrawable);
-
- dpyPriv = __glXInitialize(psc->base.dpy);
- pdp = (struct dri2_display *)dpyPriv->dri2Display;;
+ pdp = (struct dri2_display *)dpyPriv->dri2Display;
/* Create a new drawable */
pdraw->driDrawable =
(*psc->dri2->createNewDrawable) (psc->driScreen,
if (!pdraw->driDrawable) {
DRI2DestroyDrawable(psc->base.dpy, xDrawable);
- Xfree(pdraw);
+ free(pdraw);
return NULL;
}
if (__glxHashInsert(pdp->dri2Hash, xDrawable, pdraw)) {
(*psc->core->destroyDrawable) (pdraw->driDrawable);
DRI2DestroyDrawable(psc->base.dpy, xDrawable);
- Xfree(pdraw);
+ free(pdraw);
return None;
}
-
-#ifdef X_DRI2SwapInterval
/*
* Make sure server has the same swap interval we do for the new
* drawable.
*/
- if (pdp->swapAvailable)
- DRI2SwapInterval(psc->base.dpy, xDrawable, pdraw->swap_interval);
-#endif
+ if (psc->vtable.setSwapInterval)
+ psc->vtable.setSwapInterval(&pdraw->base, pdraw->swap_interval);
return &pdraw->base;
}
-#ifdef X_DRI2GetMSC
-
static int
dri2DrawableGetMSC(struct glx_screen *psc, __GLXDRIdrawable *pdraw,
int64_t *ust, int64_t *msc, int64_t *sbc)
{
- CARD64 dri2_ust, dri2_msc, dri2_sbc;
- int ret;
+ xcb_connection_t *c = XGetXCBConnection(pdraw->psc->dpy);
+ xcb_dri2_get_msc_cookie_t get_msc_cookie;
+ xcb_dri2_get_msc_reply_t *get_msc_reply;
- ret = DRI2GetMSC(psc->dpy, pdraw->xDrawable,
- &dri2_ust, &dri2_msc, &dri2_sbc);
- *ust = dri2_ust;
- *msc = dri2_msc;
- *sbc = dri2_sbc;
+ get_msc_cookie = xcb_dri2_get_msc_unchecked(c, pdraw->xDrawable);
+ get_msc_reply = xcb_dri2_get_msc_reply(c, get_msc_cookie, NULL);
- return ret;
-}
-
-#endif
+ if (!get_msc_reply)
+ return 0;
+ *ust = merge_counter(get_msc_reply->ust_hi, get_msc_reply->ust_lo);
+ *msc = merge_counter(get_msc_reply->msc_hi, get_msc_reply->msc_lo);
+ *sbc = merge_counter(get_msc_reply->sbc_hi, get_msc_reply->sbc_lo);
+ free(get_msc_reply);
-#ifdef X_DRI2WaitMSC
+ return 1;
+}
static int
dri2WaitForMSC(__GLXDRIdrawable *pdraw, int64_t target_msc, int64_t divisor,
int64_t remainder, int64_t *ust, int64_t *msc, int64_t *sbc)
{
- CARD64 dri2_ust, dri2_msc, dri2_sbc;
- int ret;
-
- ret = DRI2WaitMSC(pdraw->psc->dpy, pdraw->xDrawable, target_msc, divisor,
- remainder, &dri2_ust, &dri2_msc, &dri2_sbc);
- *ust = dri2_ust;
- *msc = dri2_msc;
- *sbc = dri2_sbc;
-
- return ret;
+ xcb_connection_t *c = XGetXCBConnection(pdraw->psc->dpy);
+ xcb_dri2_wait_msc_cookie_t wait_msc_cookie;
+ xcb_dri2_wait_msc_reply_t *wait_msc_reply;
+ uint32_t target_msc_hi, target_msc_lo;
+ uint32_t divisor_hi, divisor_lo;
+ uint32_t remainder_hi, remainder_lo;
+
+ split_counter(target_msc, &target_msc_hi, &target_msc_lo);
+ split_counter(divisor, &divisor_hi, &divisor_lo);
+ split_counter(remainder, &remainder_hi, &remainder_lo);
+
+ wait_msc_cookie = xcb_dri2_wait_msc_unchecked(c, pdraw->xDrawable,
+ target_msc_hi, target_msc_lo,
+ divisor_hi, divisor_lo,
+ remainder_hi, remainder_lo);
+ wait_msc_reply = xcb_dri2_wait_msc_reply(c, wait_msc_cookie, NULL);
+
+ if (!wait_msc_reply)
+ return 0;
+
+ *ust = merge_counter(wait_msc_reply->ust_hi, wait_msc_reply->ust_lo);
+ *msc = merge_counter(wait_msc_reply->msc_hi, wait_msc_reply->msc_lo);
+ *sbc = merge_counter(wait_msc_reply->sbc_hi, wait_msc_reply->sbc_lo);
+ free(wait_msc_reply);
+
+ return 1;
}
static int
dri2WaitForSBC(__GLXDRIdrawable *pdraw, int64_t target_sbc, int64_t *ust,
int64_t *msc, int64_t *sbc)
{
- CARD64 dri2_ust, dri2_msc, dri2_sbc;
- int ret;
+ xcb_connection_t *c = XGetXCBConnection(pdraw->psc->dpy);
+ xcb_dri2_wait_sbc_cookie_t wait_sbc_cookie;
+ xcb_dri2_wait_sbc_reply_t *wait_sbc_reply;
+ uint32_t target_sbc_hi, target_sbc_lo;
- ret = DRI2WaitSBC(pdraw->psc->dpy, pdraw->xDrawable,
- target_sbc, &dri2_ust, &dri2_msc, &dri2_sbc);
- *ust = dri2_ust;
- *msc = dri2_msc;
- *sbc = dri2_sbc;
+ split_counter(target_sbc, &target_sbc_hi, &target_sbc_lo);
- return ret;
+ wait_sbc_cookie = xcb_dri2_wait_sbc_unchecked(c, pdraw->xDrawable,
+ target_sbc_hi, target_sbc_lo);
+ wait_sbc_reply = xcb_dri2_wait_sbc_reply(c, wait_sbc_cookie, NULL);
+
+ if (!wait_sbc_reply)
+ return 0;
+
+ *ust = merge_counter(wait_sbc_reply->ust_hi, wait_sbc_reply->ust_lo);
+ *msc = merge_counter(wait_sbc_reply->msc_hi, wait_sbc_reply->msc_lo);
+ *sbc = merge_counter(wait_sbc_reply->sbc_hi, wait_sbc_reply->sbc_lo);
+ free(wait_sbc_reply);
+
+ return 1;
}
-#endif /* X_DRI2WaitMSC */
+static __DRIcontext *
+dri2GetCurrentContext()
+{
+ struct glx_context *gc = __glXGetCurrentContext();
+ struct dri2_context *dri2Ctx = (struct dri2_context *)gc;
+
+ return (gc != &dummyContext) ? dri2Ctx->driContext : NULL;
+}
+/**
+ * dri2Throttle - Request driver throttling
+ *
+ * This function uses the DRI2 throttle extension to give the
+ * driver the opportunity to throttle on flush front, copysubbuffer
+ * and swapbuffers.
+ */
static void
-dri2CopySubBuffer(__GLXDRIdrawable *pdraw, int x, int y, int width, int height)
+dri2Throttle(struct dri2_screen *psc,
+ struct dri2_drawable *draw,
+ enum __DRI2throttleReason reason)
+{
+ if (psc->throttle) {
+ __DRIcontext *ctx = dri2GetCurrentContext();
+
+ psc->throttle->throttle(ctx, draw->driDrawable, reason);
+ }
+}
+
+/**
+ * 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
+dri2Flush(struct dri2_screen *psc,
+ __DRIcontext *ctx,
+ struct dri2_drawable *draw,
+ unsigned flags,
+ enum __DRI2throttleReason throttle_reason)
+{
+ if (ctx && psc->f && psc->f->base.version >= 4) {
+ psc->f->flush_with_flags(ctx, draw->driDrawable, flags, throttle_reason);
+ } else {
+ if (flags & __DRI2_FLUSH_CONTEXT)
+ glFlush();
+
+ if (psc->f)
+ psc->f->flush(draw->driDrawable);
+
+ dri2Throttle(psc, draw, throttle_reason);
+ }
+}
+
+static void
+__dri2CopySubBuffer(__GLXDRIdrawable *pdraw, int x, int y,
+ int width, int height,
+ enum __DRI2throttleReason reason, Bool flush)
{
struct dri2_drawable *priv = (struct dri2_drawable *) pdraw;
struct dri2_screen *psc = (struct dri2_screen *) pdraw->psc;
XRectangle xrect;
XserverRegion region;
+ __DRIcontext *ctx = dri2GetCurrentContext();
+ unsigned flags;
/* Check we have the right attachments */
if (!priv->have_back)
xrect.width = width;
xrect.height = height;
-#ifdef __DRI2_FLUSH
- if (psc->f)
- (*psc->f->flush) (priv->driDrawable);
-#endif
+ flags = __DRI2_FLUSH_DRAWABLE;
+ if (flush)
+ flags |= __DRI2_FLUSH_CONTEXT;
+ dri2Flush(psc, ctx, priv, flags, __DRI2_THROTTLE_SWAPBUFFER);
region = XFixesCreateRegion(psc->base.dpy, &xrect, 1);
DRI2CopyRegion(psc->base.dpy, pdraw->xDrawable, region,
XFixesDestroyRegion(psc->base.dpy, region);
}
+static void
+dri2CopySubBuffer(__GLXDRIdrawable *pdraw, int x, int y,
+ int width, int height, Bool flush)
+{
+ __dri2CopySubBuffer(pdraw, x, y, width, height,
+ __DRI2_THROTTLE_COPYSUBBUFFER, flush);
+}
+
+
static void
dri2_copy_drawable(struct dri2_drawable *priv, int dest, int src)
{
xrect.width = priv->width;
xrect.height = priv->height;
-#ifdef __DRI2_FLUSH
if (psc->f)
(*psc->f->flush) (priv->driDrawable);
-#endif
region = XFixesCreateRegion(psc->base.dpy, &xrect, 1);
DRI2CopyRegion(psc->base.dpy, priv->base.xDrawable, region, dest, src);
dri2_copy_drawable(priv, DRI2BufferFrontLeft, DRI2BufferFakeFrontLeft);
}
+/**
+ * Called by the driver when it needs to update the real front buffer with the
+ * contents of its fake front buffer.
+ */
static void
dri2FlushFrontBuffer(__DRIdrawable *driDrawable, void *loaderPrivate)
{
+ struct glx_display *priv;
+ struct dri2_display *pdp;
+ struct glx_context *gc;
struct dri2_drawable *pdraw = loaderPrivate;
+ struct dri2_screen *psc;
+
if (!pdraw)
return;
if (!pdraw->base.psc)
return;
- struct glx_display *priv = __glXInitialize(pdraw->base.psc->dpy);
- struct dri2_display *pdp = (struct dri2_display *)priv->dri2Display;
- struct glx_context *gc = __glXGetCurrentContext();
+ psc = (struct dri2_screen *) pdraw->base.psc;
+
+ priv = __glXInitialize(psc->base.dpy);
+
+ if (priv == NULL)
+ return;
+
+ pdp = (struct dri2_display *) priv->dri2Display;
+ gc = __glXGetCurrentContext();
+
+ dri2Throttle(psc, pdraw, __DRI2_THROTTLE_FLUSHFRONT);
/* Old servers don't send invalidate events */
if (!pdp->invalidateAvailable)
(*psc->core->destroyScreen) (psc->driScreen);
driDestroyConfigs(psc->driver_configs);
close(psc->fd);
- Xfree(psc);
+ free(psc);
}
/**
return glx_dpy->codes->first_event + GLX_BufferSwapComplete;
}
+static void show_fps(struct dri2_drawable *draw)
+{
+ const int interval =
+ ((struct dri2_screen *) draw->base.psc)->show_fps_interval;
+ struct timeval tv;
+ uint64_t current_time;
+
+ gettimeofday(&tv, 0);
+ current_time = (uint64_t)tv.tv_sec*1000000 + (uint64_t)tv.tv_usec;
+
+ draw->frames++;
+
+ if (draw->previous_time + interval * 1000000 <= current_time) {
+ if (draw->previous_time) {
+ fprintf(stderr, "libGL: FPS = %.1f\n",
+ ((uint64_t)draw->frames * 1000000) /
+ (double)(current_time - draw->previous_time));
+ }
+ draw->frames = 0;
+ draw->previous_time = current_time;
+ }
+}
+
+static int64_t
+dri2XcbSwapBuffers(Display *dpy,
+ __GLXDRIdrawable *pdraw,
+ int64_t target_msc,
+ int64_t divisor,
+ int64_t remainder)
+{
+ xcb_dri2_swap_buffers_cookie_t swap_buffers_cookie;
+ xcb_dri2_swap_buffers_reply_t *swap_buffers_reply;
+ uint32_t target_msc_hi, target_msc_lo;
+ uint32_t divisor_hi, divisor_lo;
+ uint32_t remainder_hi, remainder_lo;
+ int64_t ret = 0;
+ xcb_connection_t *c = XGetXCBConnection(dpy);
+
+ split_counter(target_msc, &target_msc_hi, &target_msc_lo);
+ split_counter(divisor, &divisor_hi, &divisor_lo);
+ split_counter(remainder, &remainder_hi, &remainder_lo);
+
+ swap_buffers_cookie =
+ xcb_dri2_swap_buffers_unchecked(c, pdraw->xDrawable,
+ target_msc_hi, target_msc_lo,
+ divisor_hi, divisor_lo,
+ remainder_hi, remainder_lo);
+
+ /* Immediately wait on the swapbuffers reply. If we didn't, we'd have
+ * to do so some time before reusing a (non-pageflipped) backbuffer.
+ * Otherwise, the new rendering could get ahead of the X Server's
+ * dispatch of the swapbuffer and you'd display garbage.
+ *
+ * We use XSync() first to reap the invalidate events through the event
+ * filter, to ensure that the next drawing doesn't use an invalidated
+ * buffer.
+ */
+ XSync(dpy, False);
+
+ swap_buffers_reply =
+ xcb_dri2_swap_buffers_reply(c, swap_buffers_cookie, NULL);
+ if (swap_buffers_reply) {
+ ret = merge_counter(swap_buffers_reply->swap_hi,
+ swap_buffers_reply->swap_lo);
+ free(swap_buffers_reply);
+ }
+ return ret;
+}
+
static int64_t
dri2SwapBuffers(__GLXDRIdrawable *pdraw, int64_t target_msc, int64_t divisor,
- int64_t remainder)
+ int64_t remainder, Bool flush)
{
struct dri2_drawable *priv = (struct dri2_drawable *) pdraw;
struct glx_display *dpyPriv = __glXInitialize(priv->base.psc->dpy);
struct dri2_screen *psc = (struct dri2_screen *) priv->base.psc;
struct dri2_display *pdp =
(struct dri2_display *)dpyPriv->dri2Display;
- CARD64 ret = 0;
+ int64_t ret = 0;
-#ifdef __DRI2_FLUSH
- if (psc->f) {
- struct glx_context *gc = __glXGetCurrentContext();
+ /* Check we have the right attachments */
+ if (!priv->have_back)
+ return ret;
- if (gc) {
- (*psc->f->flush)(priv->driDrawable);
- }
+ /* Old servers can't handle swapbuffers */
+ if (!pdp->swapAvailable) {
+ __dri2CopySubBuffer(pdraw, 0, 0, priv->width, priv->height,
+ __DRI2_THROTTLE_SWAPBUFFER, flush);
+ } else {
+ __DRIcontext *ctx = dri2GetCurrentContext();
+ unsigned flags = __DRI2_FLUSH_DRAWABLE;
+ if (flush)
+ flags |= __DRI2_FLUSH_CONTEXT;
+ dri2Flush(psc, ctx, priv, flags, __DRI2_THROTTLE_SWAPBUFFER);
+
+ ret = dri2XcbSwapBuffers(pdraw->psc->dpy, pdraw,
+ target_msc, divisor, remainder);
+ }
+
+ if (psc->show_fps_interval) {
+ show_fps(priv);
}
-#endif
/* Old servers don't send invalidate events */
if (!pdp->invalidateAvailable)
dri2InvalidateBuffers(dpyPriv->dpy, pdraw->xDrawable);
- /* Old servers can't handle swapbuffers */
- if (!pdp->swapAvailable) {
- dri2CopySubBuffer(pdraw, 0, 0, priv->width, priv->height);
- return 0;
- }
-
-#ifdef X_DRI2SwapBuffers
- DRI2SwapBuffers(psc->base.dpy, pdraw->xDrawable, target_msc, divisor,
- remainder, &ret);
-#endif
-
return ret;
}
pdraw->height = *height;
process_buffers(pdraw, buffers, *out_count);
- Xfree(buffers);
+ free(buffers);
return pdraw->buffers;
}
pdraw->height = *height;
process_buffers(pdraw, buffers, *out_count);
- Xfree(buffers);
+ free(buffers);
return pdraw->buffers;
}
-#ifdef X_DRI2SwapInterval
-
static int
dri2SetSwapInterval(__GLXDRIdrawable *pdraw, int interval)
{
+ xcb_connection_t *c = XGetXCBConnection(pdraw->psc->dpy);
struct dri2_drawable *priv = (struct dri2_drawable *) pdraw;
GLint vblank_mode = DRI_CONF_VBLANK_DEF_INTERVAL_1;
struct dri2_screen *psc = (struct dri2_screen *) priv->base.psc;
switch (vblank_mode) {
case DRI_CONF_VBLANK_NEVER:
- return GLX_BAD_VALUE;
+ if (interval != 0)
+ return GLX_BAD_VALUE;
+ break;
case DRI_CONF_VBLANK_ALWAYS_SYNC:
if (interval <= 0)
return GLX_BAD_VALUE;
break;
}
- DRI2SwapInterval(priv->base.psc->dpy, priv->base.xDrawable, interval);
+ xcb_dri2_swap_interval(c, priv->base.xDrawable, interval);
priv->swap_interval = interval;
return 0;
return priv->swap_interval;
}
-#endif /* X_DRI2SwapInterval */
+static void
+driSetBackgroundContext(void *loaderPrivate)
+{
+ struct dri2_context *pcp = (struct dri2_context *) loaderPrivate;
+ __glXSetCurrentContext(&pcp->base);
+}
+
+static GLboolean
+driIsThreadSafe(void *loaderPrivate)
+{
+ struct dri2_context *pcp = (struct dri2_context *) loaderPrivate;
+ /* Check Xlib is running in thread safe mode
+ *
+ * 'lock_fns' is the XLockDisplay function pointer of the X11 display 'dpy'.
+ * It wll be NULL if XInitThreads wasn't called.
+ */
+ return pcp->base.psc->dpy->lock_fns != NULL;
+}
static const __DRIdri2LoaderExtension dri2LoaderExtension = {
- {__DRI_DRI2_LOADER, __DRI_DRI2_LOADER_VERSION},
- dri2GetBuffers,
- dri2FlushFrontBuffer,
- dri2GetBuffersWithFormat,
+ .base = { __DRI_DRI2_LOADER, 3 },
+
+ .getBuffers = dri2GetBuffers,
+ .flushFrontBuffer = dri2FlushFrontBuffer,
+ .getBuffersWithFormat = dri2GetBuffersWithFormat,
};
static const __DRIdri2LoaderExtension dri2LoaderExtension_old = {
- {__DRI_DRI2_LOADER, __DRI_DRI2_LOADER_VERSION},
- dri2GetBuffers,
- dri2FlushFrontBuffer,
- NULL,
+ .base = { __DRI_DRI2_LOADER, 3 },
+
+ .getBuffers = dri2GetBuffers,
+ .flushFrontBuffer = dri2FlushFrontBuffer,
+ .getBuffersWithFormat = NULL,
};
-#ifdef __DRI_USE_INVALIDATE
static const __DRIuseInvalidateExtension dri2UseInvalidate = {
- { __DRI_USE_INVALIDATE, __DRI_USE_INVALIDATE_VERSION }
+ .base = { __DRI_USE_INVALIDATE, 1 }
+};
+
+static const __DRIbackgroundCallableExtension driBackgroundCallable = {
+ .base = { __DRI_BACKGROUND_CALLABLE, 2 },
+
+ .setBackgroundContext = driSetBackgroundContext,
+ .isThreadSafe = driIsThreadSafe,
};
-#endif
_X_HIDDEN void
dri2InvalidateBuffers(Display *dpy, XID drawable)
psc = (struct dri2_screen *) pdraw->psc;
-#if __DRI2_FLUSH_VERSION >= 3
if (pdraw && psc->f && psc->f->base.version >= 3 && psc->f->invalidate)
psc->f->invalidate(pdp->driDrawable);
-#endif
}
static void
__GLXDRIdrawable *base = GetGLXDRIDrawable(dpy, drawable);
struct glx_display *dpyPriv = __glXInitialize(dpy);
struct dri2_drawable *pdraw = (struct dri2_drawable *) base;
- struct dri2_display *pdp =
- (struct dri2_display *) dpyPriv->dri2Display;
+ struct dri2_display *pdp;
struct dri2_screen *psc;
+ if (dpyPriv == NULL)
+ return;
+
+ pdp = (struct dri2_display *) dpyPriv->dri2Display;
+
if (pdraw != NULL) {
psc = (struct dri2_screen *) base->psc;
-#if __DRI2_FLUSH_VERSION >= 3
if (!pdp->invalidateAvailable && psc->f &&
psc->f->base.version >= 3 && psc->f->invalidate)
psc->f->invalidate(pdraw->driDrawable);
-#endif
if (psc->texBuffer->base.version >= 2 &&
psc->texBuffer->setTexBuffer2 != NULL) {
static void
dri2_release_tex_image(Display * dpy, GLXDrawable drawable, int buffer)
{
-#if __DRI_TEX_BUFFER_VERSION >= 3
struct glx_context *gc = __glXGetCurrentContext();
struct dri2_context *pcp = (struct dri2_context *) gc;
__GLXDRIdrawable *base = GetGLXDRIDrawable(dpy, drawable);
struct glx_display *dpyPriv = __glXInitialize(dpy);
struct dri2_drawable *pdraw = (struct dri2_drawable *) base;
- struct dri2_display *pdp =
- (struct dri2_display *) dpyPriv->dri2Display;
struct dri2_screen *psc;
- if (pdraw != NULL) {
+ if (dpyPriv != NULL && pdraw != NULL) {
psc = (struct dri2_screen *) base->psc;
if (psc->texBuffer->base.version >= 3 &&
pdraw->driDrawable);
}
}
-#endif
}
static const struct glx_context_vtable dri2_context_vtable = {
- dri2_destroy_context,
- dri2_bind_context,
- dri2_unbind_context,
- dri2_wait_gl,
- dri2_wait_x,
- DRI_glXUseXFont,
- dri2_bind_tex_image,
- dri2_release_tex_image,
- NULL, /* get_proc_address */
+ .destroy = dri2_destroy_context,
+ .bind = dri2_bind_context,
+ .unbind = dri2_unbind_context,
+ .wait_gl = dri2_wait_gl,
+ .wait_x = dri2_wait_x,
+ .use_x_font = DRI_glXUseXFont,
+ .bind_tex_image = dri2_bind_tex_image,
+ .release_tex_image = dri2_release_tex_image,
+ .get_proc_address = NULL,
+ .interop_query_device_info = dri2_interop_query_device_info,
+ .interop_export_object = dri2_interop_export_object
};
static void
-dri2BindExtensions(struct dri2_screen *psc, const __DRIextension **extensions)
+dri2BindExtensions(struct dri2_screen *psc, struct glx_display * priv,
+ const char *driverName)
{
+ const struct dri2_display *const pdp = (struct dri2_display *)
+ priv->dri2Display;
+ const __DRIextension **extensions;
int i;
- __glXEnableDirectExtension(&psc->base, "GLX_SGI_video_sync");
+ extensions = psc->core->getExtensions(psc->driScreen);
+
__glXEnableDirectExtension(&psc->base, "GLX_SGI_swap_control");
__glXEnableDirectExtension(&psc->base, "GLX_MESA_swap_control");
__glXEnableDirectExtension(&psc->base, "GLX_SGI_make_current_read");
- /* FIXME: if DRI2 version supports it... */
- __glXEnableDirectExtension(&psc->base, "INTEL_swap_event");
+ /*
+ * GLX_INTEL_swap_event is broken on the server side, where it's
+ * currently unconditionally enabled. This completely breaks
+ * systems running on drivers which don't support that extension.
+ * There's no way to test for its presence on this side, so instead
+ * of disabling it unconditionally, just disable it for drivers
+ * which are known to not support it, or for DDX drivers supporting
+ * only an older (pre-ScheduleSwap) version of DRI2.
+ *
+ * This is a hack which is required until:
+ * http://lists.x.org/archives/xorg-devel/2013-February/035449.html
+ * is merged and updated xserver makes it's way into distros:
+ */
+ if (pdp->swapAvailable && strcmp(driverName, "vmwgfx") != 0) {
+ __glXEnableDirectExtension(&psc->base, "GLX_INTEL_swap_event");
+ }
+
+ if (psc->dri2->base.version >= 3) {
+ const unsigned mask = psc->dri2->getAPIMask(psc->driScreen);
+
+ __glXEnableDirectExtension(&psc->base, "GLX_ARB_create_context");
+ __glXEnableDirectExtension(&psc->base, "GLX_ARB_create_context_profile");
+
+ if ((mask & ((1 << __DRI_API_GLES) |
+ (1 << __DRI_API_GLES2) |
+ (1 << __DRI_API_GLES3))) != 0) {
+ __glXEnableDirectExtension(&psc->base,
+ "GLX_EXT_create_context_es_profile");
+ __glXEnableDirectExtension(&psc->base,
+ "GLX_EXT_create_context_es2_profile");
+ }
+ }
for (i = 0; extensions[i]; i++) {
if ((strcmp(extensions[i]->name, __DRI_TEX_BUFFER) == 0)) {
if ((strcmp(extensions[i]->name, __DRI2_CONFIG_QUERY) == 0))
psc->config = (__DRI2configQueryExtension *) extensions[i];
+
+ if (((strcmp(extensions[i]->name, __DRI2_THROTTLE) == 0)))
+ psc->throttle = (__DRI2throttleExtension *) extensions[i];
+
+ /* DRI2 version 3 is also required because
+ * GLX_ARB_create_context_robustness requires GLX_ARB_create_context.
+ */
+ if (psc->dri2->base.version >= 3
+ && strcmp(extensions[i]->name, __DRI2_ROBUSTNESS) == 0)
+ __glXEnableDirectExtension(&psc->base,
+ "GLX_ARB_create_context_robustness");
+
+ /* DRI2 version 3 is also required because GLX_MESA_query_renderer
+ * requires GLX_ARB_create_context_profile.
+ */
+ if (psc->dri2->base.version >= 3
+ && strcmp(extensions[i]->name, __DRI2_RENDERER_QUERY) == 0) {
+ psc->rendererQuery = (__DRI2rendererQueryExtension *) extensions[i];
+ __glXEnableDirectExtension(&psc->base, "GLX_MESA_query_renderer");
+ }
+
+ if (strcmp(extensions[i]->name, __DRI2_INTEROP) == 0)
+ psc->interop = (__DRI2interopExtension*)extensions[i];
+
+ /* DRI2 version 3 is also required because
+ * GLX_ARB_control_flush_control requires GLX_ARB_create_context.
+ */
+ if (psc->dri2->base.version >= 3
+ && strcmp(extensions[i]->name, __DRI2_FLUSH_CONTROL) == 0)
+ __glXEnableDirectExtension(&psc->base,
+ "GLX_ARB_context_flush_control");
}
}
static const struct glx_screen_vtable dri2_screen_vtable = {
- dri2_create_context
+ .create_context = dri2_create_context,
+ .create_context_attribs = dri2_create_context_attribs,
+ .query_renderer_integer = dri2_query_renderer_integer,
+ .query_renderer_string = dri2_query_renderer_string,
};
static struct glx_screen *
priv->dri2Display;
struct dri2_screen *psc;
__GLXDRIscreen *psp;
- char *driverName, *deviceName;
+ struct glx_config *configs = NULL, *visuals = NULL;
+ char *driverName = NULL, *loader_driverName, *deviceName, *tmp;
drm_magic_t magic;
int i;
+ unsigned char disable;
- psc = Xmalloc(sizeof *psc);
+ psc = calloc(1, sizeof *psc);
if (psc == NULL)
return NULL;
- memset(psc, 0, sizeof *psc);
psc->fd = -1;
if (!glx_screen_init(&psc->base, screen, priv)) {
- Xfree(psc);
+ free(psc);
return NULL;
}
if (!DRI2Connect(priv->dpy, RootWindow(priv->dpy, screen),
&driverName, &deviceName)) {
glx_screen_cleanup(&psc->base);
- XFree(psc);
+ free(psc);
+ InfoMessageF("screen %d does not appear to be DRI2 capable\n", screen);
return NULL;
}
- psc->driver = driOpenDriver(driverName);
- if (psc->driver == NULL) {
- ErrorMessageF("driver pointer missing\n");
+ psc->fd = loader_open_device(deviceName);
+ if (psc->fd < 0) {
+ ErrorMessageF("failed to open drm device: %s\n", strerror(errno));
+ goto handle_error;
+ }
+
+ if (drmGetMagic(psc->fd, &magic)) {
+ ErrorMessageF("failed to get magic\n");
goto handle_error;
}
- extensions = dlsym(psc->driver, __DRI_DRIVER_EXTENSIONS);
- if (extensions == NULL) {
- ErrorMessageF("driver exports no extensions (%s)\n", dlerror());
+ if (!DRI2Authenticate(priv->dpy, RootWindow(priv->dpy, screen), magic)) {
+ ErrorMessageF("failed to authenticate magic %d\n", magic);
goto handle_error;
}
+ /* If Mesa knows about the appropriate driver for this fd, then trust it.
+ * Otherwise, default to the server's value.
+ */
+ loader_driverName = loader_get_driver_for_fd(psc->fd);
+ if (loader_driverName) {
+ free(driverName);
+ driverName = loader_driverName;
+ }
+
+ extensions = driOpenDriver(driverName, &psc->driver);
+ if (extensions == NULL)
+ goto handle_error;
+
for (i = 0; extensions[i]; i++) {
if (strcmp(extensions[i]->name, __DRI_CORE) == 0)
psc->core = (__DRIcoreExtension *) extensions[i];
goto handle_error;
}
- psc->fd = open(deviceName, O_RDWR);
- if (psc->fd < 0) {
- ErrorMessageF("failed to open drm device: %s\n", strerror(errno));
- goto handle_error;
+ if (psc->dri2->base.version >= 4) {
+ psc->driScreen =
+ psc->dri2->createNewScreen2(screen, psc->fd,
+ (const __DRIextension **)
+ &pdp->loader_extensions[0],
+ extensions,
+ &driver_configs, psc);
+ } else {
+ psc->driScreen =
+ psc->dri2->createNewScreen(screen, psc->fd,
+ (const __DRIextension **)
+ &pdp->loader_extensions[0],
+ &driver_configs, psc);
}
- if (drmGetMagic(psc->fd, &magic)) {
- ErrorMessageF("failed to get magic\n");
+ if (psc->driScreen == NULL) {
+ ErrorMessageF("failed to create dri screen\n");
goto handle_error;
}
- if (!DRI2Authenticate(priv->dpy, RootWindow(priv->dpy, screen), magic)) {
- ErrorMessageF("failed to authenticate magic %d\n", magic);
- goto handle_error;
- }
+ dri2BindExtensions(psc, priv, driverName);
-
- /* If the server does not support the protocol for
- * DRI2GetBuffersWithFormat, don't supply that interface to the driver.
- */
- psc->driScreen =
- psc->dri2->createNewScreen(screen, psc->fd,
- (const __DRIextension **)
- &pdp->loader_extensions[0],
- &driver_configs, psc);
+ configs = driConvertConfigs(psc->core, psc->base.configs, driver_configs);
+ visuals = driConvertConfigs(psc->core, psc->base.visuals, driver_configs);
- if (psc->driScreen == NULL) {
- ErrorMessageF("failed to create dri screen\n");
- goto handle_error;
+ if (!configs || !visuals) {
+ ErrorMessageF("No matching fbConfigs or visuals found\n");
+ goto handle_error;
}
- extensions = psc->core->getExtensions(psc->driScreen);
- dri2BindExtensions(psc, extensions);
-
- psc->base.configs =
- driConvertConfigs(psc->core, psc->base.configs, driver_configs);
- psc->base.visuals =
- driConvertConfigs(psc->core, psc->base.visuals, driver_configs);
+ glx_config_destroy_list(psc->base.configs);
+ psc->base.configs = configs;
+ glx_config_destroy_list(psc->base.visuals);
+ psc->base.visuals = visuals;
psc->driver_configs = driver_configs;
psp->waitForSBC = NULL;
psp->setSwapInterval = NULL;
psp->getSwapInterval = NULL;
+ psp->getBufferAge = NULL;
if (pdp->driMinor >= 2) {
-#ifdef X_DRI2GetMSC
psp->getDrawableMSC = dri2DrawableGetMSC;
-#endif
-#ifdef X_DRI2WaitMSC
psp->waitForMSC = dri2WaitForMSC;
psp->waitForSBC = dri2WaitForSBC;
-#endif
-#ifdef X_DRI2SwapInterval
psp->setSwapInterval = dri2SetSwapInterval;
psp->getSwapInterval = dri2GetSwapInterval;
-#endif
-#if defined(X_DRI2GetMSC) && defined(X_DRI2WaitMSC) && defined(X_DRI2SwapInterval)
- __glXEnableDirectExtension(&psc->base, "GLX_OML_sync_control");
-#endif
+ if (psc->config->configQueryb(psc->driScreen,
+ "glx_disable_oml_sync_control",
+ &disable) || !disable)
+ __glXEnableDirectExtension(&psc->base, "GLX_OML_sync_control");
}
- /* DRI2 suports SubBuffer through DRI2CopyRegion, so it's always
+ if (psc->config->configQueryb(psc->driScreen,
+ "glx_disable_sgi_video_sync",
+ &disable) || !disable)
+ __glXEnableDirectExtension(&psc->base, "GLX_SGI_video_sync");
+
+ /* DRI2 supports SubBuffer through DRI2CopyRegion, so it's always
* available.*/
psp->copySubBuffer = dri2CopySubBuffer;
__glXEnableDirectExtension(&psc->base, "GLX_MESA_copy_sub_buffer");
- Xfree(driverName);
- Xfree(deviceName);
+ free(driverName);
+ free(deviceName);
+
+ tmp = getenv("LIBGL_SHOW_FPS");
+ psc->show_fps_interval = (tmp) ? atoi(tmp) : 0;
+ if (psc->show_fps_interval < 0)
+ psc->show_fps_interval = 0;
+
+ InfoMessageF("Using DRI2 for screen %d\n", screen);
return &psc->base;
handle_error:
+ CriticalErrorMessageF("failed to load driver: %s\n", driverName);
+
+ if (configs)
+ glx_config_destroy_list(configs);
+ if (visuals)
+ glx_config_destroy_list(visuals);
+ if (psc->driScreen)
+ psc->core->destroyScreen(psc->driScreen);
+ psc->driScreen = NULL;
if (psc->fd >= 0)
close(psc->fd);
if (psc->driver)
dlclose(psc->driver);
- Xfree(driverName);
- Xfree(deviceName);
+
+ free(driverName);
+ free(deviceName);
glx_screen_cleanup(&psc->base);
- XFree(psc);
+ free(psc);
return NULL;
}
struct dri2_display *pdp = (struct dri2_display *) dpy;
__glxHashDestroy(pdp->dri2Hash);
- Xfree(dpy);
+ free(dpy);
}
_X_HIDDEN __GLXDRIdrawable *
if (!DRI2QueryExtension(dpy, &eventBase, &errorBase))
return NULL;
- pdp = Xmalloc(sizeof *pdp);
+ pdp = malloc(sizeof *pdp);
if (pdp == NULL)
return NULL;
if (!DRI2QueryVersion(dpy, &pdp->driMajor, &pdp->driMinor)) {
- Xfree(pdp);
+ free(pdp);
return NULL;
}
else
pdp->loader_extensions[i++] = &dri2LoaderExtension.base;
- pdp->loader_extensions[i++] = &systemTimeExtension.base;
-
-#ifdef __DRI_USE_INVALIDATE
pdp->loader_extensions[i++] = &dri2UseInvalidate.base;
-#endif
+
+ pdp->loader_extensions[i++] = &driBackgroundCallable.base;
+
pdp->loader_extensions[i++] = NULL;
pdp->dri2Hash = __glxHashCreate();
if (pdp->dri2Hash == NULL) {
- Xfree(pdp);
+ free(pdp);
return NULL;
}