Mesa (master): st/dri: track if image is created by a dmabuf

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Module: Mesa
Branch: master
Commit: be347863baa8de0ed47da0ad4f85ad9c255ca5c5
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=be347863baa8de0ed47da0ad4f85ad9c255ca5c5

Author: Gurchetan Singh <gurchetansingh at chromium.org>
Date:   Mon Jan 13 16:07:38 2020 -0800

st/dri: track if image is created by a dmabuf

Will be used by EXT_EGL_image_storage later.

Acked-by: Marek Olšák <marek.olsak at amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3375>

---

 src/gallium/include/state_tracker/st_api.h  | 2 ++
 src/gallium/state_trackers/dri/dri2.c       | 1 +
 src/gallium/state_trackers/dri/dri_screen.c | 8 ++++++++
 src/gallium/state_trackers/dri/dri_screen.h | 1 +
 4 files changed, 12 insertions(+)

diff --git a/src/gallium/include/state_tracker/st_api.h b/src/gallium/include/state_tracker/st_api.h
index 258da8fdeaf..0b953d6fb38 100644
--- a/src/gallium/include/state_tracker/st_api.h
+++ b/src/gallium/include/state_tracker/st_api.h
@@ -182,6 +182,8 @@ struct st_egl_image
 
    unsigned level;
    unsigned layer;
+   /* GL internal format. */
+   unsigned internalformat;
 };
 
 /**
diff --git a/src/gallium/state_trackers/dri/dri2.c b/src/gallium/state_trackers/dri/dri2.c
index 490c4b16f03..54a05c916f1 100644
--- a/src/gallium/state_trackers/dri/dri2.c
+++ b/src/gallium/state_trackers/dri/dri2.c
@@ -938,6 +938,7 @@ dri2_create_image_from_fd(__DRIscreen *_screen,
    img->dri_components = map->dri_components;
    img->dri_fourcc = fourcc;
    img->dri_format = map->dri_format;
+   img->imported_dmabuf = TRUE;
 
 exit:
    if (error)
diff --git a/src/gallium/state_trackers/dri/dri_screen.c b/src/gallium/state_trackers/dri/dri_screen.c
index 8600ce029f0..5a9acd818d0 100644
--- a/src/gallium/state_trackers/dri/dri_screen.c
+++ b/src/gallium/state_trackers/dri/dri_screen.c
@@ -473,6 +473,14 @@ dri_get_egl_image(struct st_manager *smapi,
    stimg->level = img->level;
    stimg->layer = img->layer;
 
+   if (img->imported_dmabuf && map) {
+      /* Guess sized internal format for dma-bufs. Could be used
+       * by EXT_EGL_image_storage.
+       */
+      mesa_format mesa_format = driImageFormatToGLFormat(map->dri_format);
+      stimg->internalformat = driGLFormatToSizedInternalGLFormat(mesa_format);
+   }
+
    return TRUE;
 }
 
diff --git a/src/gallium/state_trackers/dri/dri_screen.h b/src/gallium/state_trackers/dri/dri_screen.h
index 4a80d96df95..1586439bba3 100644
--- a/src/gallium/state_trackers/dri/dri_screen.h
+++ b/src/gallium/state_trackers/dri/dri_screen.h
@@ -109,6 +109,7 @@ struct __DRIimageRec {
 
    void *loader_private;
 
+   boolean imported_dmabuf;
    /**
     * Provided by EGL_EXT_image_dma_buf_import.
     */