From: Varad Gautam <varad.gau...@collabora.com> ask the driver for supported modifiers for a given format. bump __DRIimageExtension to 16.
v2: move to __DRIimageExtension v16. v3: fail if the supplied format is not supported by driver. Signed-off-by: Varad Gautam <varad.gau...@collabora.com> --- src/gallium/state_trackers/dri/dri2.c | 24 +++++++++++++++++++++++- 1 file changed, 23 insertions(+), 1 deletion(-) diff --git a/src/gallium/state_trackers/dri/dri2.c b/src/gallium/state_trackers/dri/dri2.c index 60ff089..c9f5544 100644 --- a/src/gallium/state_trackers/dri/dri2.c +++ b/src/gallium/state_trackers/dri/dri2.c @@ -1275,6 +1275,24 @@ dri2_query_dma_buf_formats(__DRIscreen *_screen, int max, int *formats, return false; } +static boolean +dri2_query_dma_buf_modifiers(__DRIscreen *_screen, int fourcc, int max, + uint64_t *modifiers, int *count) +{ + struct dri_screen *screen = dri_screen(_screen); + struct pipe_screen *pscreen = screen->base.screen; + int dri_components; + enum pipe_format format = dri2_format_to_pipe_format( + convert_fourcc(fourcc,&dri_components)); + const unsigned usage = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW; + + if (pscreen->get_param(pscreen, PIPE_CAP_QUERY_DMABUF_ATTRIBS) && + pscreen->is_format_supported(pscreen, format, screen->target, 0, usage)) + return pscreen->query_dmabuf_modifiers(pscreen, format, max, modifiers, + count); + return false; +} + static __DRIimage * dri2_from_dma_bufs(__DRIscreen *screen, int width, int height, int fourcc, @@ -1441,7 +1459,7 @@ dri2_get_capabilities(__DRIscreen *_screen) /* The extension is modified during runtime if DRI_PRIME is detected */ static __DRIimageExtension dri2ImageExtension = { - .base = { __DRI_IMAGE, 15 }, + .base = { __DRI_IMAGE, 16 }, .createImageFromName = dri2_create_image_from_name, .createImageFromRenderbuffer = dri2_create_image_from_renderbuffer, @@ -1462,6 +1480,7 @@ static __DRIimageExtension dri2ImageExtension = { .createImageWithModifiers = NULL, .createImageFromDmaBufs2 = NULL, .queryDmaBufFormats = NULL, + .queryDmaBufModifiers = NULL, }; @@ -2009,6 +2028,8 @@ dri2_init_screen(__DRIscreen * sPriv) dri2ImageExtension.createImageFromDmaBufs = dri2_from_dma_bufs; dri2ImageExtension.createImageFromDmaBufs2 = dri2_from_dma_bufs2; dri2ImageExtension.queryDmaBufFormats = dri2_query_dma_buf_formats; + dri2ImageExtension.queryDmaBufModifiers = + dri2_query_dma_buf_modifiers; } } @@ -2083,6 +2104,7 @@ dri_kms_init_screen(__DRIscreen * sPriv) dri2ImageExtension.createImageFromDmaBufs = dri2_from_dma_bufs; dri2ImageExtension.createImageFromDmaBufs2 = dri2_from_dma_bufs2; dri2ImageExtension.queryDmaBufFormats = dri2_query_dma_buf_formats; + dri2ImageExtension.queryDmaBufModifiers = dri2_query_dma_buf_modifiers; } sPriv->extensions = dri_screen_extensions; -- 2.10.0 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev