diff options
| -rw-r--r-- | render/gles2/pixel_format.c | 14 | ||||
| -rw-r--r-- | render/gles2/renderer.c | 6 |
2 files changed, 16 insertions, 4 deletions
diff --git a/render/gles2/pixel_format.c b/render/gles2/pixel_format.c index 31bb3908..b155bbbe 100644 --- a/render/gles2/pixel_format.c +++ b/render/gles2/pixel_format.c @@ -98,6 +98,10 @@ static const struct wlr_gles2_pixel_format formats[] = { // TODO: more pixel formats +/* + * Return true if supported for texturing, even if other operations like + * reading aren't supported. + */ bool is_gles2_pixel_format_supported(const struct wlr_gles2_renderer *renderer, const struct wlr_gles2_pixel_format *format) { if (format->gl_type == GL_UNSIGNED_INT_2_10_10_10_REV_EXT @@ -108,10 +112,12 @@ bool is_gles2_pixel_format_supported(const struct wlr_gles2_renderer *renderer, && !renderer->exts.OES_texture_half_float_linear) { return false; } - if (format->gl_format == GL_BGRA_EXT - && !renderer->exts.EXT_read_format_bgra) { - return false; - } + /* + * Note that we don't need to check for GL_EXT_texture_format_BGRA8888 + * here, since we've already checked if we have it at renderer creation + * time and bailed out if not. We do the check there because Wayland + * requires all compositors to support SHM buffers in that format. + */ return true; } diff --git a/render/gles2/renderer.c b/render/gles2/renderer.c index 527d85bf..67b8ead4 100644 --- a/render/gles2/renderer.c +++ b/render/gles2/renderer.c @@ -441,6 +441,12 @@ static bool gles2_read_pixels(struct wlr_renderer *wlr_renderer, return false; } + if (fmt->gl_format == GL_BGRA_EXT && !renderer->exts.EXT_read_format_bgra) { + wlr_log(WLR_ERROR, + "Cannot read pixels: missing GL_EXT_read_format_bgra extension"); + return false; + } + const struct wlr_pixel_format_info *drm_fmt = drm_get_pixel_format_info(fmt->drm_format); assert(drm_fmt); |