Commit 02c265be authored by Andres Gomez's avatar Andres Gomez

egl: Remove the 565 pbuffer-only EGL config under X11.

The CTS finally has agreed to drop the requirement for a
565-no-depth-no-stencil config for ES 3.0. Hence we can now remove the
code to satisfy this requirement using a pbuffer-only visual with
whatever other buffers the driver happens to have given us.

This reverts commit 82607f8a,
commit 6ad31c4f and
commit dacb11a5.

v2:
  - Reference the VK-GL-CTS issue (Eric E.).

v3:
  - Don't revert
    fc21394b ("egl: Quiet warning about front buffer rendering for pixmaps/pbuffers")
    (Kenneth).

References: VK-GL-CTS issue 1601.
Cc: mesa-stable@lists.freedesktop.org
Signed-off-by: Andres Gomez's avatarAndres Gomez <agomez@igalia.com>
Acked-by: Eric Engestrom's avatarEric Engestrom <eric.engestrom@intel.com>
Acked-by: Eric Anholt's avatarEric Anholt <eric@anholt.net>
Reviewed-by: Kenneth Graunke's avatarKenneth Graunke <kenneth@whitecape.org>
parent 974e3ad0
Pipeline #68230 passed with stages
in 29 minutes and 3 seconds
......@@ -755,61 +755,9 @@ dri2_x11_authenticate(_EGLDisplay *disp, uint32_t id)
return dri2_x11_do_authenticate(dri2_dpy, id);
}
static bool
dri2_x11_config_match_attrib(struct dri2_egl_display *dri2_dpy,
const __DRIconfig *config,
unsigned int attrib,
unsigned int value)
{
uint32_t config_val;
if (!dri2_dpy->core->getConfigAttrib(config, attrib, &config_val))
return false;
return config_val == value;
}
/**
* See if the X server can export a pixmap with the given color depth.
*
* Glamor in xorg-server 1.20 can't export pixmaps which have a different
* color depth than the root window as a DRI image. This makes it impossible
* to expose pbuffer-only visuals with, say, 16bpp on a 24bpp X display.
*/
static bool
x11_can_export_pixmap_with_bpp(struct dri2_egl_display *dri2_dpy, int bpp)
{
bool supported = false;
#ifdef HAVE_DRI3
xcb_dri3_buffer_from_pixmap_cookie_t cookie;
xcb_dri3_buffer_from_pixmap_reply_t *reply;
xcb_pixmap_t pixmap = xcb_generate_id(dri2_dpy->conn);
xcb_create_pixmap(dri2_dpy->conn, bpp, pixmap, dri2_dpy->screen->root, 1, 1);
cookie = xcb_dri3_buffer_from_pixmap(dri2_dpy->conn, pixmap);
reply = xcb_dri3_buffer_from_pixmap_reply(dri2_dpy->conn, cookie, NULL);
if (reply) {
int *fds = xcb_dri3_buffer_from_pixmap_reply_fds(dri2_dpy->conn, reply);
for (int i = 0; i < reply->nfd; i++) {
close(fds[i]);
}
supported = true;
free(reply);
}
xcb_free_pixmap(dri2_dpy->conn, pixmap);
#endif
return supported;
}
static EGLBoolean
dri2_x11_add_configs_for_visuals(struct dri2_egl_display *dri2_dpy,
_EGLDisplay *disp, bool supports_preserved,
bool add_pbuffer_configs)
_EGLDisplay *disp, bool supports_preserved)
{
xcb_depth_iterator_t d;
xcb_visualtype_t *visuals;
......@@ -895,43 +843,6 @@ dri2_x11_add_configs_for_visuals(struct dri2_egl_display *dri2_dpy,
xcb_depth_next(&d);
}
/* Add a 565-no-depth-no-stencil pbuffer-only config. If X11 is depth 24,
* we wouldn't have 565 available, which the CTS demands.
*/
if (add_pbuffer_configs && x11_can_export_pixmap_with_bpp(dri2_dpy, 16)) {
for (int j = 0; dri2_dpy->driver_configs[j]; j++) {
const __DRIconfig *config = dri2_dpy->driver_configs[j];
const EGLint config_attrs[] = {
EGL_NATIVE_VISUAL_ID, 0,
EGL_NATIVE_VISUAL_TYPE, EGL_NONE,
EGL_NONE
};
EGLint surface_type = EGL_PBUFFER_BIT;
int rgba_shifts[4] = { 11, 5, 0, -1 };
unsigned int rgba_sizes[4] = { 5, 6, 5, 0 };
/* Check that we've found single-sample, no depth, no stencil,
* and single-buffered.
*/
if (!dri2_x11_config_match_attrib(dri2_dpy, config,
__DRI_ATTRIB_DEPTH_SIZE, 0) ||
!dri2_x11_config_match_attrib(dri2_dpy, config,
__DRI_ATTRIB_STENCIL_SIZE, 0) ||
!dri2_x11_config_match_attrib(dri2_dpy, config,
__DRI_ATTRIB_SAMPLES, 0) ||
!dri2_x11_config_match_attrib(dri2_dpy, config,
__DRI_ATTRIB_DOUBLE_BUFFER, 0)) {
continue;
}
if (dri2_add_config(disp, config, config_count + 1, surface_type,
config_attrs, rgba_shifts, rgba_sizes)) {
config_count++;
break;
}
}
}
if (!config_count) {
_eglLog(_EGL_WARNING, "DRI2: failed to create any config");
return EGL_FALSE;
......@@ -1407,7 +1318,7 @@ dri2_initialize_x11_swrast(_EGLDriver *drv, _EGLDisplay *disp)
dri2_setup_screen(disp);
if (!dri2_x11_add_configs_for_visuals(dri2_dpy, disp, true, false))
if (!dri2_x11_add_configs_for_visuals(dri2_dpy, disp, true))
goto cleanup;
/* Fill vtbl last to prevent accidentally calling virtual function during
......@@ -1505,7 +1416,7 @@ dri2_initialize_x11_dri3(_EGLDriver *drv, _EGLDisplay *disp)
dri2_set_WL_bind_wayland_display(drv, disp);
if (!dri2_x11_add_configs_for_visuals(dri2_dpy, disp, false, true))
if (!dri2_x11_add_configs_for_visuals(dri2_dpy, disp, false))
goto cleanup;
dri2_dpy->loader_dri3_ext.core = dri2_dpy->core;
......@@ -1615,7 +1526,7 @@ dri2_initialize_x11_dri2(_EGLDriver *drv, _EGLDisplay *disp)
dri2_set_WL_bind_wayland_display(drv, disp);
if (!dri2_x11_add_configs_for_visuals(dri2_dpy, disp, true, false))
if (!dri2_x11_add_configs_for_visuals(dri2_dpy, disp, true))
goto cleanup;
/* Fill vtbl last to prevent accidentally calling virtual function during
......
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