diff options
Diffstat (limited to 'meta/recipes-graphics/wayland/weston/weston-gl-renderer-Set-pitch-correctly-for-subsampled-textures.patch')
| -rw-r--r-- | meta/recipes-graphics/wayland/weston/weston-gl-renderer-Set-pitch-correctly-for-subsampled-textures.patch | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/meta/recipes-graphics/wayland/weston/weston-gl-renderer-Set-pitch-correctly-for-subsampled-textures.patch b/meta/recipes-graphics/wayland/weston/weston-gl-renderer-Set-pitch-correctly-for-subsampled-textures.patch new file mode 100644 index 0000000000..c188018557 --- /dev/null +++ b/meta/recipes-graphics/wayland/weston/weston-gl-renderer-Set-pitch-correctly-for-subsampled-textures.patch @@ -0,0 +1,55 @@ +Multi-plane sub-sampled textures have partial width/height, e.g. +YUV420/I420 has a full-size Y plane, followed by a half-width/height U +plane, and a half-width/height V plane. + +zwp_linux_dmabuf_v1 allows clients to pass an explicit pitch for each +plane, but for wl_shm this must be inferred. gl-renderer was correctly +accounting for the width and height when subsampling, but the pitch was +being taken as the pitch for the first plane. + +This does not match the requirements for GStreamer's waylandsink, in +particular, as well as other clients. Fix the SHM upload path to +correctly set the pitch for each plane, according to subsampling. + +Tested with: + $ gst-launch-1.0 videotestsrc ! waylandsink + +Upstream-Status: Backport [https://patchwork.freedesktop.org/patch/180767/] + +Signed-off-by: Daniel Stone <daniels@collabora.com> +Fixes: fdeefe42418 ("gl-renderer: add support of WL_SHM_FORMAT_YUV420") +Reported-by: Fabien Lahoudere <fabien.lahoudere@collabora.co.uk> +Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=103063 + +--- + libweston/gl-renderer.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +diff --git a/libweston/gl-renderer.c b/libweston/gl-renderer.c +index 244ce309..40bf0bb6 100644 +--- a/libweston/gl-renderer.c ++++ b/libweston/gl-renderer.c +@@ -1285,14 +1285,13 @@ gl_renderer_flush_damage(struct weston_surface *surface) + goto done; + } + +- glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, gs->pitch); +- + if (gs->needs_full_upload) { + glPixelStorei(GL_UNPACK_SKIP_PIXELS_EXT, 0); + glPixelStorei(GL_UNPACK_SKIP_ROWS_EXT, 0); + wl_shm_buffer_begin_access(buffer->shm_buffer); + for (j = 0; j < gs->num_textures; j++) { + glBindTexture(GL_TEXTURE_2D, gs->textures[j]); ++ glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, gs->pitch / gs->hsub[j]); + glTexImage2D(GL_TEXTURE_2D, 0, + gs->gl_format[j], + gs->pitch / gs->hsub[j], +@@ -1317,6 +1316,7 @@ gl_renderer_flush_damage(struct weston_surface *surface) + glPixelStorei(GL_UNPACK_SKIP_ROWS_EXT, r.y1); + for (j = 0; j < gs->num_textures; j++) { + glBindTexture(GL_TEXTURE_2D, gs->textures[j]); ++ glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, gs->pitch / gs->hsub[j]); + glTexSubImage2D(GL_TEXTURE_2D, 0, + r.x1 / gs->hsub[j], + r.y1 / gs->vsub[j], |