[Qemu-devel] [PATCH v2 4/4] egl-helpers: add modifier support to egl_dmabuf_import_texture()

[Gerd Hoffmann <kraxel@redhat.com>]

Check and use QemuDmaBuf->modifier in egl_dmabuf_import_texture()
for dmabuf imports.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 ui/egl-helpers.c | 32 +++++++++++++++++++++++---------
 1 file changed, 23 insertions(+), 9 deletions(-)

diff --git a/ui/egl-helpers.c b/ui/egl-helpers.c
index 0c9716067cfb..87bfd32e8ddb 100644
--- a/ui/egl-helpers.c
+++ b/ui/egl-helpers.c
@@ -229,20 +229,34 @@ int egl_get_fd_for_texture(uint32_t tex_id, EGLint *stride, EGLint *fourcc,
 void egl_dmabuf_import_texture(QemuDmaBuf *dmabuf)
 {
     EGLImageKHR image = EGL_NO_IMAGE_KHR;
-    EGLint attrs[] = {
-        EGL_DMA_BUF_PLANE0_FD_EXT,      dmabuf->fd,
-        EGL_DMA_BUF_PLANE0_PITCH_EXT,   dmabuf->stride,
-        EGL_DMA_BUF_PLANE0_OFFSET_EXT,  0,
-        EGL_WIDTH,                      dmabuf->width,
-        EGL_HEIGHT,                     dmabuf->height,
-        EGL_LINUX_DRM_FOURCC_EXT,       dmabuf->fourcc,
-        EGL_NONE, /* end of list */
-    };
+    EGLint attrs[64];
+    int i = 0;
 
     if (dmabuf->texture != 0) {
         return;
     }
 
+    attrs[i++] = EGL_WIDTH;
+    attrs[i++] = dmabuf->width;
+    attrs[i++] = EGL_HEIGHT;
+    attrs[i++] = dmabuf->height;
+    attrs[i++] = EGL_LINUX_DRM_FOURCC_EXT;
+    attrs[i++] = dmabuf->fourcc;
+
+    attrs[i++] = EGL_DMA_BUF_PLANE0_FD_EXT;
+    attrs[i++] = dmabuf->fd;
+    attrs[i++] = EGL_DMA_BUF_PLANE0_PITCH_EXT;
+    attrs[i++] = dmabuf->stride;
+    attrs[i++] = EGL_DMA_BUF_PLANE0_OFFSET_EXT;
+    attrs[i++] = 0;
+    if (dmabuf->modifier) {
+        attrs[i++] = EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT;
+        attrs[i++] = (dmabuf->modifier >>  0) & 0xffffffff;
+        attrs[i++] = EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT;
+        attrs[i++] = (dmabuf->modifier >> 32) & 0xffffffff;
+    }
+    attrs[i++] = EGL_NONE;
+
     image = eglCreateImageKHR(qemu_egl_display,
                               EGL_NO_CONTEXT,
                               EGL_LINUX_DMA_BUF_EXT,
-- 
2.18.1