When a buffer is being created from FD or GEM flink import, the current
API makes no provision for passing modifier information along with this.
Set the modifier for such images to DRM_FORMAT_MOD_INVALID.

Also preserve the modifier when duplicating an image, as will be done by
GBM when importing from a wl_buffer.

This doubly tripped up Wayland, as the images would first have been
created (as wl_buffers) with a 0 modifier, and then lost what modifier
they would've had when being duplicated into gbm_bos.

Fixes: d78a36ea624 ("i965/dri: Handle the linear fb modifier")
Signed-off-by: Daniel Stone <dani...@collabora.com>
Reviewed-by: Emil Velikov <emil.veli...@collabora.com>
Cc: Ben Widawsky <b...@bwidawsk.net>
---
 src/mesa/drivers/dri/i965/intel_screen.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/src/mesa/drivers/dri/i965/intel_screen.c 
b/src/mesa/drivers/dri/i965/intel_screen.c
index e43f9a5c3a..c73e0d11d7 100644
--- a/src/mesa/drivers/dri/i965/intel_screen.c
+++ b/src/mesa/drivers/dri/i965/intel_screen.c
@@ -299,6 +299,19 @@ static const struct {
    { .tiling = I915_TILING_Y, .modifier = I915_FORMAT_MOD_Y_TILED },
 };
 
+static uint64_t
+tiling_to_modifier(uint32_t tiling)
+{
+   int i;
+
+   for (i = 0; i < ARRAY_SIZE(tiling_modifier_map); i++) {
+      if (tiling_modifier_map[i].tiling == tiling)
+         return tiling_modifier_map[i].modifier;
+   }
+
+   return DRM_FORMAT_MOD_INVALID;
+}
+
 static uint32_t
 modifier_to_tiling(uint64_t modifier)
 {
@@ -429,6 +442,7 @@ intel_create_image_from_name(__DRIscreen *dri_screen,
        free(image);
        return NULL;
     }
+    image->modifier = tiling_to_modifier(image->bo->tiling_mode);
 
     return image;
 }
@@ -457,6 +471,7 @@ intel_create_image_from_renderbuffer(__DRIcontext *context,
 
    image->internal_format = rb->InternalFormat;
    image->format = rb->Format;
+   image->modifier = tiling_to_modifier(irb->mt->tiling);
    image->offset = 0;
    image->data = loaderPrivate;
    brw_bo_unreference(image->bo);
@@ -518,6 +533,7 @@ intel_create_image_from_texture(__DRIcontext *context, int 
target,
 
    image->internal_format = obj->Image[face][level]->InternalFormat;
    image->format = obj->Image[face][level]->TexFormat;
+   image->modifier = tiling_to_modifier(iobj->mt->tiling);
    image->data = loaderPrivate;
    intel_setup_image_from_mipmap_tree(brw, image, iobj->mt, level, zoffset);
    image->dri_format = driGLFormatToImageFormat(image->format);
@@ -725,6 +741,7 @@ intel_dup_image(__DRIimage *orig_image, void *loaderPrivate)
    image->planar_format   = orig_image->planar_format;
    image->dri_format      = orig_image->dri_format;
    image->format          = orig_image->format;
+   image->modifier        = orig_image->modifier;
    image->offset          = orig_image->offset;
    image->width           = orig_image->width;
    image->height          = orig_image->height;
@@ -843,6 +860,7 @@ intel_create_image_from_fds(__DRIscreen *dri_screen,
       free(image);
       return NULL;
    }
+   image->modifier = tiling_to_modifier(image->bo->tiling_mode);
 
    if (f->nplanes == 1) {
       image->offset = image->offsets[0];
@@ -930,6 +948,7 @@ intel_from_planar(__DRIimage *parent, int plane, void 
*loaderPrivate)
 
     image->bo = parent->bo;
     brw_bo_reference(parent->bo);
+    image->modifier = parent->modifier;
 
     image->width = width;
     image->height = height;
-- 
2.12.2

_______________________________________________
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/mesa-dev

Reply via email to