[Mesa-dev] [PATCH 3/6] egl wayland: add YUYV support

[Zhao halley]

---
 src/egl/drivers/dri2/egl_dri2.c         |   17 ++++++++++++++---
 src/egl/drivers/dri2/platform_wayland.c |    8 +++++++-
 2 files changed, 21 insertions(+), 4 deletions(-)
 mode change 100644 => 100755 src/egl/drivers/dri2/egl_dri2.c
 mode change 100644 => 100755 src/egl/drivers/dri2/platform_wayland.c

diff --git a/src/egl/drivers/dri2/egl_dri2.c b/src/egl/drivers/dri2/egl_dri2.c
old mode 100644
new mode 100755
index 4a02838..a058046
--- a/src/egl/drivers/dri2/egl_dri2.c
+++ b/src/egl/drivers/dri2/egl_dri2.c
@@ -1096,9 +1096,15 @@ dri2_create_image_wayland_wl_buffer(_EGLDisplay *disp, _EGLContext *ctx,
    switch (wayland_drm_buffer_get_format(buffer)) {
    case WL_DRM_FORMAT_ARGB8888:
       format = __DRI_IMAGE_FORMAT_ARGB8888;
+      pitch = stride / 4;
       break;
    case WL_DRM_FORMAT_XRGB8888:
       format = __DRI_IMAGE_FORMAT_XRGB8888;
+      pitch = stride / 4;
+      break;
+   case WL_DRM_FORMAT_YUYV:
+      format = __DRI_IMAGE_FORMAT_YUYV;
+      pitch = stride / 2;
       break;
    default:
       _eglError(EGL_BAD_PARAMETER,
@@ -1106,8 +1112,6 @@ dri2_create_image_wayland_wl_buffer(_EGLDisplay *disp, _EGLContext *ctx,
       return NULL;
    }
 
-   pitch = stride / 4;
-
    return dri2_create_image_drm_name(disp, ctx, name, &attrs, format, pitch);
 }
 #endif
@@ -1270,21 +1274,28 @@ dri2_wl_reference_buffer(void *user_data, uint32_t name,
    struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
    __DRIimage *image;
    int dri_format;
+   int pitch = 0;
 
    switch (format) {
    case WL_DRM_FORMAT_ARGB8888:
       dri_format =__DRI_IMAGE_FORMAT_ARGB8888;
+      pitch = stride/4;
       break;
    case WL_DRM_FORMAT_XRGB8888:
       dri_format = __DRI_IMAGE_FORMAT_XRGB8888;
+      pitch = stride/4;
       break;
+  case WL_DRM_FORMAT_YUYV:
+     dri_format = __DRI_IMAGE_FORMAT_YUYV;
+     pitch = stride/2;
+     break;
    default:
       return NULL;	   
    }
 
    image = dri2_dpy->image->createImageFromName(dri2_dpy->dri_screen,
 						width, height, 
-						dri_format, name, stride / 4,
+						dri_format, name, pitch,
 						NULL);
 
    return image;
diff --git a/src/egl/drivers/dri2/platform_wayland.c b/src/egl/drivers/dri2/platform_wayland.c
old mode 100644
new mode 100755
index d291f0f..6d330b7
--- a/src/egl/drivers/dri2/platform_wayland.c
+++ b/src/egl/drivers/dri2/platform_wayland.c
@@ -42,7 +42,9 @@
 
 enum wl_drm_format_flags {
    HAS_ARGB8888 = 1,
-   HAS_XRGB8888 = 2
+   HAS_XRGB8888 = (1 << 1),
+   HAS_YUYV     = (1 << 2)
+   
 };
 
 static void
@@ -778,6 +780,9 @@ drm_handle_format(void *data, struct wl_drm *drm, uint32_t format)
    case WL_DRM_FORMAT_XRGB8888:
       dri2_dpy->formats |= HAS_XRGB8888;
       break;
+   case WL_DRM_FORMAT_YUYV:
+      dri2_dpy->formats |= HAS_YUYV;
+      break;
    }
 }
 
@@ -878,6 +883,7 @@ dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp)
 	 dri2_add_config(disp, config, i + 1, 0, types, NULL, rgb_masks);
       if (dri2_dpy->formats & HAS_ARGB8888)
 	 dri2_add_config(disp, config, i + 1, 0, types, NULL, argb_masks);
+      // XXXX, should we do something for YUYV here?
    }
 
    disp->Extensions.KHR_image_pixmap = EGL_TRUE;
-- 
1.7.5.4