[mutter] wayland/dma-buf: Use meta_egl_create_dmabuf_image

[Jonas Ådahl <jadahl src gnome org>]

commit a3c425ad89f4da3f5e6907cd2e804ffa6afa0d78
Author: Pekka Paalanen <pekka paalanen collabora com>
Date:   Mon Jun 17 13:49:41 2019 +0300

    wayland/dma-buf: Use meta_egl_create_dmabuf_image
    
    Use the new helper instead of open-coding practically the same.
    
    No behavioral changes.
    
    https://gitlab.gnome.org/GNOME/mutter/merge_requests/615

 src/wayland/meta-wayland-dma-buf.c | 84 ++++++++------------------------------
 1 file changed, 17 insertions(+), 67 deletions(-)
---
diff --git a/src/wayland/meta-wayland-dma-buf.c b/src/wayland/meta-wayland-dma-buf.c
index 8faba34cf..cf6d97932 100644
--- a/src/wayland/meta-wayland-dma-buf.c
+++ b/src/wayland/meta-wayland-dma-buf.c
@@ -75,11 +75,11 @@ meta_wayland_dma_buf_realize_texture (MetaWaylandBuffer  *buffer,
   CoglContext *cogl_context = clutter_backend_get_cogl_context (clutter_backend);
   EGLDisplay egl_display = cogl_egl_context_get_egl_display (cogl_context);
   MetaWaylandDmaBufBuffer *dma_buf = buffer->dma_buf.dma_buf;
+  uint32_t n_planes;
+  uint64_t modifiers[META_WAYLAND_DMA_BUF_MAX_FDS];
   CoglPixelFormat cogl_format;
   EGLImageKHR egl_image;
   CoglTexture2D *texture;
-  EGLint attribs[64];
-  int attr_idx = 0;
 
   if (buffer->dma_buf.texture)
     return TRUE;
@@ -112,75 +112,25 @@ meta_wayland_dma_buf_realize_texture (MetaWaylandBuffer  *buffer,
       return FALSE;
     }
 
-  attribs[attr_idx++] = EGL_WIDTH;
-  attribs[attr_idx++] = dma_buf->width;
-  attribs[attr_idx++] = EGL_HEIGHT;
-  attribs[attr_idx++] = dma_buf->height;
-  attribs[attr_idx++] = EGL_LINUX_DRM_FOURCC_EXT;
-  attribs[attr_idx++] = dma_buf->drm_format;
-
-  attribs[attr_idx++] = EGL_DMA_BUF_PLANE0_FD_EXT;
-  attribs[attr_idx++] = dma_buf->fds[0];
-  attribs[attr_idx++] = EGL_DMA_BUF_PLANE0_OFFSET_EXT;
-  attribs[attr_idx++] = dma_buf->offsets[0];
-  attribs[attr_idx++] = EGL_DMA_BUF_PLANE0_PITCH_EXT;
-  attribs[attr_idx++] = dma_buf->strides[0];
-  attribs[attr_idx++] = EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT;
-  attribs[attr_idx++] = dma_buf->drm_modifier & 0xffffffff;
-  attribs[attr_idx++] = EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT;
-  attribs[attr_idx++] = dma_buf->drm_modifier >> 32;
-
-  if (dma_buf->fds[1] >= 0)
+  for (n_planes = 0; n_planes < META_WAYLAND_DMA_BUF_MAX_FDS; n_planes++)
     {
-      attribs[attr_idx++] = EGL_DMA_BUF_PLANE1_FD_EXT;
-      attribs[attr_idx++] = dma_buf->fds[1];
-      attribs[attr_idx++] = EGL_DMA_BUF_PLANE1_OFFSET_EXT;
-      attribs[attr_idx++] = dma_buf->offsets[1];
-      attribs[attr_idx++] = EGL_DMA_BUF_PLANE1_PITCH_EXT;
-      attribs[attr_idx++] = dma_buf->strides[1];
-      attribs[attr_idx++] = EGL_DMA_BUF_PLANE1_MODIFIER_LO_EXT;
-      attribs[attr_idx++] = dma_buf->drm_modifier & 0xffffffff;
-      attribs[attr_idx++] = EGL_DMA_BUF_PLANE1_MODIFIER_HI_EXT;
-      attribs[attr_idx++] = dma_buf->drm_modifier >> 32;
-    }
-
-  if (dma_buf->fds[2] >= 0)
-    {
-      attribs[attr_idx++] = EGL_DMA_BUF_PLANE2_FD_EXT;
-      attribs[attr_idx++] = dma_buf->fds[2];
-      attribs[attr_idx++] = EGL_DMA_BUF_PLANE2_OFFSET_EXT;
-      attribs[attr_idx++] = dma_buf->offsets[2];
-      attribs[attr_idx++] = EGL_DMA_BUF_PLANE2_PITCH_EXT;
-      attribs[attr_idx++] = dma_buf->strides[2];
-      attribs[attr_idx++] = EGL_DMA_BUF_PLANE2_MODIFIER_LO_EXT;
-      attribs[attr_idx++] = dma_buf->drm_modifier & 0xffffffff;
-      attribs[attr_idx++] = EGL_DMA_BUF_PLANE2_MODIFIER_HI_EXT;
-      attribs[attr_idx++] = dma_buf->drm_modifier >> 32;
-    }
+      if (dma_buf->fds[n_planes] < 0)
+        break;
 
-  if (dma_buf->fds[3] >= 0)
-    {
-      attribs[attr_idx++] = EGL_DMA_BUF_PLANE3_FD_EXT;
-      attribs[attr_idx++] = dma_buf->fds[3];
-      attribs[attr_idx++] = EGL_DMA_BUF_PLANE3_OFFSET_EXT;
-      attribs[attr_idx++] = dma_buf->offsets[3];
-      attribs[attr_idx++] = EGL_DMA_BUF_PLANE3_PITCH_EXT;
-      attribs[attr_idx++] = dma_buf->strides[3];
-      attribs[attr_idx++] = EGL_DMA_BUF_PLANE3_MODIFIER_LO_EXT;
-      attribs[attr_idx++] = dma_buf->drm_modifier & 0xffffffff;
-      attribs[attr_idx++] = EGL_DMA_BUF_PLANE3_MODIFIER_HI_EXT;
-      attribs[attr_idx++] = dma_buf->drm_modifier >> 32;
+      modifiers[n_planes] = dma_buf->drm_modifier;
     }
 
-  attribs[attr_idx++] = EGL_NONE;
-  attribs[attr_idx++] = EGL_NONE;
-
-  /* The EXT_image_dma_buf_import spec states that EGL_NO_CONTEXT is to be used
-   * in conjunction with the EGL_LINUX_DMA_BUF_EXT target. Similarly, the
-   * native buffer is named in the attribs. */
-  egl_image = meta_egl_create_image (egl, egl_display, EGL_NO_CONTEXT,
-                                     EGL_LINUX_DMA_BUF_EXT, NULL, attribs,
-                                     error);
+  egl_image = meta_egl_create_dmabuf_image (egl,
+                                            egl_display,
+                                            dma_buf->width,
+                                            dma_buf->height,
+                                            dma_buf->drm_format,
+                                            n_planes,
+                                            dma_buf->fds,
+                                            dma_buf->strides,
+                                            dma_buf->offsets,
+                                            modifiers,
+                                            error);
   if (egl_image == EGL_NO_IMAGE_KHR)
     return FALSE;