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-rw-r--r--src/egl/drivers/dri2/platform_wayland.c80
1 files changed, 71 insertions, 9 deletions
diff --git a/src/egl/drivers/dri2/platform_wayland.c b/src/egl/drivers/dri2/platform_wayland.c
index 34e09d7ec16..872e265f509 100644
--- a/src/egl/drivers/dri2/platform_wayland.c
+++ b/src/egl/drivers/dri2/platform_wayland.c
@@ -59,49 +59,57 @@ static const struct dri2_wl_visual {
uint32_t wl_drm_format;
uint32_t wl_shm_format;
int dri_image_format;
+ /* alt_dri_image_format is a substitute wl_buffer format to use for a
+ * wl-server unsupported dri_image_format, ie. some other dri_image_format in
+ * the table, of the same precision but with different channel ordering, or
+ * __DRI_IMAGE_FORMAT_NONE if an alternate format is not needed or supported.
+ * The code checks if alt_dri_image_format can be used as a fallback for a
+ * dri_image_format for a given wl-server implementation.
+ */
+ int alt_dri_image_format;
int bpp;
unsigned int rgba_masks[4];
} dri2_wl_visuals[] = {
{
"XRGB2101010",
WL_DRM_FORMAT_XRGB2101010, WL_SHM_FORMAT_XRGB2101010,
- __DRI_IMAGE_FORMAT_XRGB2101010, 32,
+ __DRI_IMAGE_FORMAT_XRGB2101010, __DRI_IMAGE_FORMAT_XBGR2101010, 32,
{ 0x3ff00000, 0x000ffc00, 0x000003ff, 0x00000000 }
},
{
"ARGB2101010",
WL_DRM_FORMAT_ARGB2101010, WL_SHM_FORMAT_ARGB2101010,
- __DRI_IMAGE_FORMAT_ARGB2101010, 32,
+ __DRI_IMAGE_FORMAT_ARGB2101010, __DRI_IMAGE_FORMAT_ABGR2101010, 32,
{ 0x3ff00000, 0x000ffc00, 0x000003ff, 0xc0000000 }
},
{
"XBGR2101010",
WL_DRM_FORMAT_XBGR2101010, WL_SHM_FORMAT_XBGR2101010,
- __DRI_IMAGE_FORMAT_XBGR2101010, 32,
+ __DRI_IMAGE_FORMAT_XBGR2101010, __DRI_IMAGE_FORMAT_XRGB2101010, 32,
{ 0x000003ff, 0x000ffc00, 0x3ff00000, 0x00000000 }
},
{
"ABGR2101010",
WL_DRM_FORMAT_ABGR2101010, WL_SHM_FORMAT_ABGR2101010,
- __DRI_IMAGE_FORMAT_ABGR2101010, 32,
+ __DRI_IMAGE_FORMAT_ABGR2101010, __DRI_IMAGE_FORMAT_ARGB2101010, 32,
{ 0x000003ff, 0x000ffc00, 0x3ff00000, 0xc0000000 }
},
{
"XRGB8888",
WL_DRM_FORMAT_XRGB8888, WL_SHM_FORMAT_XRGB8888,
- __DRI_IMAGE_FORMAT_XRGB8888, 32,
+ __DRI_IMAGE_FORMAT_XRGB8888, __DRI_IMAGE_FORMAT_NONE, 32,
{ 0x00ff0000, 0x0000ff00, 0x000000ff, 0x00000000 }
},
{
"ARGB8888",
WL_DRM_FORMAT_ARGB8888, WL_SHM_FORMAT_ARGB8888,
- __DRI_IMAGE_FORMAT_ARGB8888, 32,
+ __DRI_IMAGE_FORMAT_ARGB8888, __DRI_IMAGE_FORMAT_NONE, 32,
{ 0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000 }
},
{
"RGB565",
WL_DRM_FORMAT_RGB565, WL_SHM_FORMAT_RGB565,
- __DRI_IMAGE_FORMAT_RGB565, 16,
+ __DRI_IMAGE_FORMAT_RGB565, __DRI_IMAGE_FORMAT_NONE, 16,
{ 0xf800, 0x07e0, 0x001f, 0x0000 }
},
};
@@ -461,15 +469,29 @@ get_back_bo(struct dri2_egl_surface *dri2_surf)
int use_flags;
int visual_idx;
unsigned int dri_image_format;
+ unsigned int linear_dri_image_format;
uint64_t *modifiers;
int num_modifiers;
visual_idx = dri2_wl_visual_idx_from_fourcc(dri2_surf->format);
assert(visual_idx != -1);
dri_image_format = dri2_wl_visuals[visual_idx].dri_image_format;
+ linear_dri_image_format = dri_image_format;
modifiers = u_vector_tail(&dri2_dpy->wl_modifiers[visual_idx]);
num_modifiers = u_vector_length(&dri2_dpy->wl_modifiers[visual_idx]);
+ /* Substitute dri image format if server does not support original format */
+ if (!(dri2_dpy->formats & (1 << visual_idx)))
+ linear_dri_image_format = dri2_wl_visuals[visual_idx].alt_dri_image_format;
+
+ /* These asserts hold, as long as dri2_wl_visuals[] is self-consistent and
+ * the PRIME substitution logic in dri2_wl_add_configs_for_visuals() is free
+ * of bugs.
+ */
+ assert(linear_dri_image_format != __DRI_IMAGE_FORMAT_NONE);
+ assert(dri2_dpy->formats &
+ (1 << dri2_wl_visual_idx_from_dri_image_format(linear_dri_image_format)));
+
/* There might be a buffer release already queued that wasn't processed */
wl_display_dispatch_queue_pending(dri2_dpy->wl_dpy, dri2_surf->wl_queue);
@@ -516,7 +538,7 @@ get_back_bo(struct dri2_egl_surface *dri2_surf)
dri2_dpy->image->createImageWithModifiers(dri2_dpy->dri_screen,
dri2_surf->base.Width,
dri2_surf->base.Height,
- dri_image_format,
+ linear_dri_image_format,
&linear_mod,
1,
NULL);
@@ -525,7 +547,7 @@ get_back_bo(struct dri2_egl_surface *dri2_surf)
dri2_dpy->image->createImage(dri2_dpy->dri_screen,
dri2_surf->base.Width,
dri2_surf->base.Height,
- dri_image_format,
+ linear_dri_image_format,
use_flags |
__DRI_IMAGE_USE_LINEAR,
NULL);
@@ -1298,8 +1320,11 @@ dri2_wl_add_configs_for_visuals(_EGLDriver *drv, _EGLDisplay *disp)
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
unsigned int format_count[ARRAY_SIZE(dri2_wl_visuals)] = { 0 };
unsigned int count = 0;
+ bool assigned;
for (unsigned i = 0; dri2_dpy->driver_configs[i]; i++) {
+ assigned = false;
+
for (unsigned j = 0; j < ARRAY_SIZE(dri2_wl_visuals); j++) {
struct dri2_egl_config *dri2_conf;
@@ -1312,6 +1337,43 @@ dri2_wl_add_configs_for_visuals(_EGLDriver *drv, _EGLDisplay *disp)
if (dri2_conf->base.ConfigID == count + 1)
count++;
format_count[j]++;
+ assigned = true;
+ }
+ }
+
+ if (!assigned && dri2_dpy->is_different_gpu) {
+ struct dri2_egl_config *dri2_conf;
+ int alt_dri_image_format, c, s;
+
+ /* No match for config. Try if we can blitImage convert to a visual */
+ c = dri2_wl_visual_idx_from_config(dri2_dpy,
+ dri2_dpy->driver_configs[i]);
+
+ if (c == -1)
+ continue;
+
+ /* Find optimal target visual for blitImage conversion, if any. */
+ alt_dri_image_format = dri2_wl_visuals[c].alt_dri_image_format;
+ s = dri2_wl_visual_idx_from_dri_image_format(alt_dri_image_format);
+
+ if (s == -1 || !(dri2_dpy->formats & (1 << s)))
+ continue;
+
+ /* Visual s works for the Wayland server, and c can be converted into s
+ * by our client gpu during PRIME blitImage conversion to a linear
+ * wl_buffer, so add visual c as supported by the client renderer.
+ */
+ dri2_conf = dri2_add_config(disp, dri2_dpy->driver_configs[i],
+ count + 1, EGL_WINDOW_BIT, NULL,
+ dri2_wl_visuals[c].rgba_masks);
+ if (dri2_conf) {
+ if (dri2_conf->base.ConfigID == count + 1)
+ count++;
+ format_count[c]++;
+ if (format_count[c] == 1)
+ _eglLog(_EGL_DEBUG, "Client format %s to server format %s via "
+ "PRIME blitImage.", dri2_wl_visuals[c].format_name,
+ dri2_wl_visuals[s].format_name);
}
}
}