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Diffstat (limited to 'src/gallium/state_trackers/egl/x11/native_ximage.c')
-rw-r--r--src/gallium/state_trackers/egl/x11/native_ximage.c278
1 files changed, 109 insertions, 169 deletions
diff --git a/src/gallium/state_trackers/egl/x11/native_ximage.c b/src/gallium/state_trackers/egl/x11/native_ximage.c
index 3421c1951a..c6b16354f9 100644
--- a/src/gallium/state_trackers/egl/x11/native_ximage.c
+++ b/src/gallium/state_trackers/egl/x11/native_ximage.c
@@ -28,17 +28,19 @@
#include <sys/shm.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
-#include <X11/extensions/XShm.h>
#include "util/u_memory.h"
#include "util/u_math.h"
#include "util/u_format.h"
#include "pipe/p_compiler.h"
-#include "util/u_simple_screen.h"
#include "util/u_inlines.h"
-#include "softpipe/sp_winsys.h"
+#include "state_tracker/xlib_sw_winsys.h"
+#include "target-helpers/wrap_screen.h"
+#include "util/u_debug.h"
+#include "softpipe/sp_public.h"
+#include "llvmpipe/lp_public.h"
+#include "cell/ppu/cell_public.h"
#include "egllog.h"
-#include "sw_winsys.h"
#include "native_x11.h"
#include "x11_screen.h"
@@ -53,24 +55,18 @@ struct ximage_display {
Display *dpy;
boolean own_dpy;
- struct x11_screen *xscr;
- int xscr_number;
-
struct native_event_handler *event_handler;
- boolean use_xshm;
+ struct x11_screen *xscr;
+ int xscr_number;
- struct pipe_winsys *winsys;
struct ximage_config *configs;
int num_configs;
};
struct ximage_buffer {
- XImage *ximage;
-
struct pipe_texture *texture;
- XShmSegmentInfo *shm_info;
- boolean xshm_attached;
+ struct xlib_drawable xdraw;
};
struct ximage_surface {
@@ -81,13 +77,13 @@ struct ximage_surface {
XVisualInfo visual;
struct ximage_display *xdpy;
- GC gc;
-
unsigned int server_stamp;
unsigned int client_stamp;
int width, height;
struct ximage_buffer buffers[NUM_NATIVE_ATTACHMENTS];
uint valid_mask;
+
+ struct pipe_surface *draw_surface;
};
struct ximage_config {
@@ -121,18 +117,6 @@ ximage_surface_free_buffer(struct native_surface *nsurf,
struct ximage_buffer *xbuf = &xsurf->buffers[which];
pipe_texture_reference(&xbuf->texture, NULL);
-
- if (xbuf->shm_info) {
- if (xbuf->xshm_attached)
- XShmDetach(xsurf->xdpy->dpy, xbuf->shm_info);
- if (xbuf->shm_info->shmaddr != (void *) -1)
- shmdt(xbuf->shm_info->shmaddr);
- if (xbuf->shm_info->shmid != -1)
- shmctl(xbuf->shm_info->shmid, IPC_RMID, 0);
-
- xbuf->shm_info->shmaddr = (void *) -1;
- xbuf->shm_info->shmid = -1;
- }
}
static boolean
@@ -156,40 +140,25 @@ ximage_surface_alloc_buffer(struct native_surface *nsurf,
templ.depth0 = 1;
templ.tex_usage = PIPE_TEXTURE_USAGE_RENDER_TARGET;
- if (xbuf->shm_info) {
- struct pipe_buffer *pbuf;
- unsigned stride, size;
- void *addr = NULL;
-
- stride = util_format_get_stride(xsurf->color_format, xsurf->width);
- /* alignment should depend on visual? */
- stride = align(stride, 4);
- size = stride * xsurf->height;
-
- /* create and attach shm object */
- xbuf->shm_info->shmid = shmget(IPC_PRIVATE, size, 0755);
- if (xbuf->shm_info->shmid != -1) {
- xbuf->shm_info->shmaddr =
- shmat(xbuf->shm_info->shmid, NULL, 0);
- if (xbuf->shm_info->shmaddr != (void *) -1) {
- if (XShmAttach(xsurf->xdpy->dpy, xbuf->shm_info)) {
- addr = xbuf->shm_info->shmaddr;
- xbuf->xshm_attached = TRUE;
- }
- }
- }
-
- if (addr) {
- pbuf = screen->user_buffer_create(screen, addr, size);
- if (pbuf) {
- xbuf->texture =
- screen->texture_blanket(screen, &templ, &stride, pbuf);
- pipe_buffer_reference(&pbuf, NULL);
- }
+ if (xsurf->type != XIMAGE_SURFACE_TYPE_PBUFFER) {
+ switch (which) {
+ case NATIVE_ATTACHMENT_FRONT_LEFT:
+ case NATIVE_ATTACHMENT_FRONT_RIGHT:
+ templ.tex_usage |= PIPE_TEXTURE_USAGE_SCANOUT;
+ break;
+ case NATIVE_ATTACHMENT_BACK_LEFT:
+ case NATIVE_ATTACHMENT_BACK_RIGHT:
+ templ.tex_usage |= PIPE_TEXTURE_USAGE_DISPLAY_TARGET;
+ break;
+ default:
+ break;
}
}
- else {
- xbuf->texture = screen->texture_create(screen, &templ);
+ xbuf->texture = screen->texture_create(screen, &templ);
+ if (xbuf->texture) {
+ xbuf->xdraw.visual = xsurf->visual.visual;
+ xbuf->xdraw.depth = xsurf->visual.depth;
+ xbuf->xdraw.drawable = xsurf->drawable;
}
/* clean up the buffer if allocation failed */
@@ -269,18 +238,10 @@ ximage_surface_update_buffers(struct native_surface *nsurf, uint buffer_mask)
new_valid = 0x0;
for (att = 0; att < NUM_NATIVE_ATTACHMENTS; att++) {
if (native_attachment_mask_test(buffer_mask, att)) {
- struct ximage_buffer *xbuf = &xsurf->buffers[att];
-
/* reallocate the texture */
if (!ximage_surface_alloc_buffer(&xsurf->base, att))
break;
- /* update ximage */
- if (xbuf->ximage) {
- xbuf->ximage->width = xsurf->width;
- xbuf->ximage->height = xsurf->height;
- }
-
new_valid |= (1 << att);
if (buffer_mask == new_valid)
break;
@@ -300,43 +261,26 @@ ximage_surface_draw_buffer(struct native_surface *nsurf,
struct ximage_surface *xsurf = ximage_surface(nsurf);
struct ximage_buffer *xbuf = &xsurf->buffers[which];
struct pipe_screen *screen = xsurf->xdpy->base.screen;
- struct pipe_transfer *transfer;
+ struct pipe_surface *psurf;
if (xsurf->type == XIMAGE_SURFACE_TYPE_PBUFFER)
return TRUE;
- assert(xsurf->drawable && xbuf->ximage && xbuf->texture);
+ assert(xsurf->drawable && xbuf->texture);
- transfer = screen->get_tex_transfer(screen, xbuf->texture,
- 0, 0, 0, PIPE_TRANSFER_READ, 0, 0, xsurf->width, xsurf->height);
- if (!transfer)
- return FALSE;
+ psurf = xsurf->draw_surface;
+ if (!psurf || psurf->texture != xbuf->texture) {
+ pipe_surface_reference(&xsurf->draw_surface, NULL);
- xbuf->ximage->bytes_per_line = transfer->stride;
- xbuf->ximage->data = screen->transfer_map(screen, transfer);
- if (!xbuf->ximage->data) {
- screen->tex_transfer_destroy(transfer);
- return FALSE;
- }
-
-
- if (xbuf->shm_info)
- XShmPutImage(xsurf->xdpy->dpy, xsurf->drawable, xsurf->gc,
- xbuf->ximage, 0, 0, 0, 0, xsurf->width, xsurf->height, False);
- else
- XPutImage(xsurf->xdpy->dpy, xsurf->drawable, xsurf->gc,
- xbuf->ximage, 0, 0, 0, 0, xsurf->width, xsurf->height);
-
- xbuf->ximage->data = NULL;
- screen->transfer_unmap(screen, transfer);
+ psurf = screen->get_tex_surface(screen,
+ xbuf->texture, 0, 0, 0, PIPE_BUFFER_USAGE_CPU_READ);
+ if (!psurf)
+ return FALSE;
- /*
- * softpipe allows the pipe transfer to be re-used, but we don't want to
- * rely on that behavior.
- */
- screen->tex_transfer_destroy(transfer);
+ xsurf->draw_surface = psurf;
+ }
- XSync(xsurf->xdpy->dpy, FALSE);
+ screen->flush_frontbuffer(screen, psurf, &xbuf->xdraw);
return TRUE;
}
@@ -364,7 +308,8 @@ ximage_surface_swap_buffers(struct native_surface *nsurf)
boolean ret;
/* display the back buffer first */
- ret = ximage_surface_draw_buffer(nsurf, NATIVE_ATTACHMENT_BACK_LEFT);
+ ret = ximage_surface_draw_buffer(&xsurf->base,
+ NATIVE_ATTACHMENT_BACK_LEFT);
/* force buffers to be updated in next validation call */
xsurf->server_stamp++;
ximage_surface_notify_invalid(&xsurf->base);
@@ -372,13 +317,12 @@ ximage_surface_swap_buffers(struct native_surface *nsurf)
xfront = &xsurf->buffers[NATIVE_ATTACHMENT_FRONT_LEFT];
xback = &xsurf->buffers[NATIVE_ATTACHMENT_BACK_LEFT];
- /* skip swapping so that the front buffer is allocated only when needed */
- if (!xfront->texture)
- return ret;
-
- xtmp = *xfront;
- *xfront = *xback;
- *xback = xtmp;
+ /* skip swapping unless there is a front buffer */
+ if (xfront->texture) {
+ xtmp = *xfront;
+ *xfront = *xback;
+ *xback = xtmp;
+ }
return ret;
}
@@ -433,18 +377,11 @@ ximage_surface_destroy(struct native_surface *nsurf)
struct ximage_surface *xsurf = ximage_surface(nsurf);
int i;
- for (i = 0; i < NUM_NATIVE_ATTACHMENTS; i++) {
- struct ximage_buffer *xbuf = &xsurf->buffers[i];
+ pipe_surface_reference(&xsurf->draw_surface, NULL);
+
+ for (i = 0; i < NUM_NATIVE_ATTACHMENTS; i++)
ximage_surface_free_buffer(&xsurf->base, i);
- /* xbuf->shm_info is owned by xbuf->ximage? */
- if (xbuf->ximage) {
- XDestroyImage(xbuf->ximage);
- xbuf->ximage = NULL;
- }
- }
- if (xsurf->type != XIMAGE_SURFACE_TYPE_PBUFFER)
- XFreeGC(xsurf->xdpy->dpy, xsurf->gc);
free(xsurf);
}
@@ -457,7 +394,6 @@ ximage_display_create_surface(struct native_display *ndpy,
struct ximage_display *xdpy = ximage_display(ndpy);
struct ximage_config *xconf = ximage_config(nconf);
struct ximage_surface *xsurf;
- int i;
xsurf = CALLOC_STRUCT(ximage_surface);
if (!xsurf)
@@ -471,52 +407,8 @@ ximage_display_create_surface(struct native_display *ndpy,
if (xsurf->type != XIMAGE_SURFACE_TYPE_PBUFFER) {
xsurf->drawable = drawable;
xsurf->visual = *xconf->visual;
-
- xsurf->gc = XCreateGC(xdpy->dpy, xsurf->drawable, 0, NULL);
- if (!xsurf->gc) {
- free(xsurf);
- return NULL;
- }
-
/* initialize the geometry */
ximage_surface_update_buffers(&xsurf->base, 0x0);
-
- for (i = 0; i < NUM_NATIVE_ATTACHMENTS; i++) {
- struct ximage_buffer *xbuf = &xsurf->buffers[i];
-
- if (xdpy->use_xshm) {
- xbuf->shm_info = calloc(1, sizeof(*xbuf->shm_info));
- if (xbuf->shm_info) {
- /* initialize shm info */
- xbuf->shm_info->shmid = -1;
- xbuf->shm_info->shmaddr = (void *) -1;
- xbuf->shm_info->readOnly = TRUE;
-
- xbuf->ximage = XShmCreateImage(xsurf->xdpy->dpy,
- xsurf->visual.visual,
- xsurf->visual.depth,
- ZPixmap, NULL,
- xbuf->shm_info,
- 0, 0);
- }
- }
- else {
- xbuf->ximage = XCreateImage(xsurf->xdpy->dpy,
- xsurf->visual.visual,
- xsurf->visual.depth,
- ZPixmap, 0, /* format, offset */
- NULL, /* data */
- 0, 0, /* size */
- 8, /* bitmap_pad */
- 0); /* bytes_per_line */
- }
-
- if (!xbuf->ximage) {
- XFreeGC(xdpy->dpy, xsurf->gc);
- free(xsurf);
- return NULL;
- }
- }
}
xsurf->base.destroy = ximage_surface_destroy;
@@ -727,7 +619,6 @@ ximage_display_destroy(struct native_display *ndpy)
free(xdpy->configs);
xdpy->base.screen->destroy(xdpy->base.screen);
- free(xdpy->winsys);
x11_screen_destroy(xdpy->xscr);
if (xdpy->own_dpy)
@@ -735,10 +626,63 @@ ximage_display_destroy(struct native_display *ndpy)
free(xdpy);
}
+
+/* Helper function to build a subset of a driver stack consisting of
+ * one of the software rasterizers (cell, llvmpipe, softpipe) and the
+ * xlib winsys.
+ *
+ * This function could be shared, but currently causes headaches for
+ * the build systems, particularly scons if we try.
+ *
+ * Long term, want to avoid having global #defines for things like
+ * GALLIUM_LLVMPIPE, GALLIUM_CELL, etc. Scons already eliminates
+ * those #defines, so things that are painful for it now are likely to
+ * be painful for other build systems in the future.
+ */
+static struct pipe_screen *
+swrast_xlib_create_screen( Display *display )
+{
+ struct sw_winsys *winsys;
+ struct pipe_screen *screen = NULL;
+
+ /* Create the underlying winsys, which performs presents to Xlib
+ * drawables:
+ */
+ winsys = xlib_create_sw_winsys( display );
+ if (winsys == NULL)
+ return NULL;
+
+ /* Create a software rasterizer on top of that winsys. Use
+ * llvmpipe if it is available.
+ */
+#if defined(GALLIUM_LLVMPIPE)
+ if (screen == NULL &&
+ !debug_get_bool_option("GALLIUM_NO_LLVM", FALSE))
+ screen = llvmpipe_create_screen( winsys );
+#endif
+
+ if (screen == NULL)
+ screen = softpipe_create_screen( winsys );
+
+ if (screen == NULL)
+ goto fail;
+
+ /* Inject any wrapping layers we want to here:
+ */
+ return gallium_wrap_screen( screen );
+
+fail:
+ if (winsys)
+ winsys->destroy( winsys );
+
+ return NULL;
+}
+
+
+
struct native_display *
x11_create_ximage_display(EGLNativeDisplayType dpy,
- struct native_event_handler *event_handler,
- boolean use_xshm)
+ struct native_event_handler *event_handler)
{
struct ximage_display *xdpy;
@@ -756,6 +700,8 @@ x11_create_ximage_display(EGLNativeDisplayType dpy,
xdpy->own_dpy = TRUE;
}
+ xdpy->event_handler = event_handler;
+
xdpy->xscr_number = DefaultScreen(xdpy->dpy);
xdpy->xscr = x11_screen_create(xdpy->dpy, xdpy->xscr_number);
if (!xdpy->xscr) {
@@ -763,13 +709,7 @@ x11_create_ximage_display(EGLNativeDisplayType dpy,
return NULL;
}
- xdpy->event_handler = event_handler;
-
- xdpy->use_xshm =
- (use_xshm && x11_screen_support(xdpy->xscr, X11_SCREEN_EXTENSION_XSHM));
-
- xdpy->winsys = create_sw_winsys();
- xdpy->base.screen = softpipe_create_screen(xdpy->winsys);
+ xdpy->base.screen = swrast_xlib_create_screen(xdpy->dpy);
xdpy->base.destroy = ximage_display_destroy;
xdpy->base.get_param = ximage_display_get_param;
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-06 21:19:48 +0000