From: Varad Gautam <varad.gau...@collabora.com> ask the driver for supported dmabuf formats
v2: rebase to master. v3: return false on failure. v4: use pscreen->is_format_supported instead of adding a new query. (Lucas Stach) Signed-off-by: Varad Gautam <varad.gau...@collabora.com> Signed-off-by: Daniel Stone <dani...@collabora.com> --- src/gallium/state_trackers/dri/dri2.c | 91 +++++++++++++++++++++++++++++++++++ 1 file changed, 91 insertions(+) diff --git a/src/gallium/state_trackers/dri/dri2.c b/src/gallium/state_trackers/dri/dri2.c index 3f83cc96cc..814a08e3cb 100644 --- a/src/gallium/state_trackers/dri/dri2.c +++ b/src/gallium/state_trackers/dri/dri2.c @@ -216,6 +216,69 @@ static enum pipe_format dri2_format_to_pipe_format (int format) return pf; } +static enum pipe_format fourcc_to_pipe_format(int fourcc) { + enum pipe_format pf; + + switch (fourcc) { + case __DRI_IMAGE_FOURCC_R8: + pf = PIPE_FORMAT_R8_UNORM; + break; + case __DRI_IMAGE_FOURCC_GR88: + pf = PIPE_FORMAT_RG88_UNORM; + break; + case __DRI_IMAGE_FOURCC_ARGB1555: + pf = PIPE_FORMAT_B5G5R5A1_UNORM; + break; + case __DRI_IMAGE_FOURCC_R16: + pf = PIPE_FORMAT_R16_UNORM; + break; + case __DRI_IMAGE_FOURCC_GR1616: + pf = PIPE_FORMAT_RG1616_UNORM; + break; + case __DRI_IMAGE_FOURCC_RGB565: + pf = PIPE_FORMAT_B5G6R5_UNORM; + break; + case __DRI_IMAGE_FOURCC_ARGB8888: + pf = PIPE_FORMAT_BGRA8888_UNORM; + break; + case __DRI_IMAGE_FOURCC_XRGB8888: + pf = PIPE_FORMAT_BGRX8888_UNORM; + break; + case __DRI_IMAGE_FOURCC_ABGR8888: + pf = PIPE_FORMAT_RGBA8888_UNORM; + break; + case __DRI_IMAGE_FOURCC_XBGR8888: + pf = PIPE_FORMAT_RGBX8888_UNORM; + break; + + case __DRI_IMAGE_FOURCC_NV12: + pf = PIPE_FORMAT_NV12; + break; + case __DRI_IMAGE_FOURCC_YUYV: + pf = PIPE_FORMAT_YUYV; + break; + case __DRI_IMAGE_FOURCC_YUV420: + case __DRI_IMAGE_FOURCC_YVU420: + pf = PIPE_FORMAT_YV12; + break; + + case __DRI_IMAGE_FOURCC_SARGB8888: + case __DRI_IMAGE_FOURCC_YUV410: + case __DRI_IMAGE_FOURCC_YUV411: + case __DRI_IMAGE_FOURCC_YUV422: + case __DRI_IMAGE_FOURCC_YUV444: + case __DRI_IMAGE_FOURCC_NV16: + case __DRI_IMAGE_FOURCC_YVU410: + case __DRI_IMAGE_FOURCC_YVU411: + case __DRI_IMAGE_FOURCC_YVU422: + case __DRI_IMAGE_FOURCC_YVU444: + default: + pf = PIPE_FORMAT_NONE; + } + + return pf; +} + /** * DRI2 flush extension. */ @@ -1343,6 +1406,31 @@ dri2_from_fds(__DRIscreen *screen, int width, int height, int fourcc, return img; } +static boolean +dri2_query_dma_buf_formats(__DRIscreen *_screen, int max, int *formats, + int *count) +{ + struct dri_screen *screen = dri_screen(_screen); + struct pipe_screen *pscreen = screen->base.screen; + const unsigned bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW; + int i, j; + + for (i = 0, j = 0; (i < ARRAY_SIZE(image_formats)) && + (j < max || max == 0); i++) { + if (pscreen->is_format_supported(pscreen, + fourcc_to_pipe_format( + image_formats[i].fourcc), + screen->target, + 0, bind)) { + if (j < max) + formats[j] = image_formats[i].fourcc; + j++; + } + } + *count = j; + return true; +} + static __DRIimage * dri2_from_dma_bufs(__DRIscreen *screen, int width, int height, int fourcc, @@ -1529,6 +1617,7 @@ static __DRIimageExtension dri2ImageExtension = { .unmapImage = dri2_unmap_image, .createImageWithModifiers = NULL, .createImageFromDmaBufs2 = NULL, + .queryDmaBufFormats = NULL, }; @@ -2075,6 +2164,7 @@ dri2_init_screen(__DRIscreen * sPriv) dri2ImageExtension.createImageFromFds = dri2_from_fds; dri2ImageExtension.createImageFromDmaBufs = dri2_from_dma_bufs; dri2ImageExtension.createImageFromDmaBufs2 = dri2_from_dma_bufs2; + dri2ImageExtension.queryDmaBufFormats = dri2_query_dma_buf_formats; } } @@ -2152,6 +2242,7 @@ dri_kms_init_screen(__DRIscreen * sPriv) dri2ImageExtension.createImageFromFds = dri2_from_fds; dri2ImageExtension.createImageFromDmaBufs = dri2_from_dma_bufs; dri2ImageExtension.createImageFromDmaBufs2 = dri2_from_dma_bufs2; + dri2ImageExtension.queryDmaBufFormats = dri2_query_dma_buf_formats; } sPriv->extensions = dri_screen_extensions; -- 2.13.0 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev