[Mesa-dev] [PATCH 3/5] wayland: support EGL_TEXTURE_STRUCTURE_WL queries for wl_buffer.

[Gwenole Beauchesne]

Signed-off-by: Gwenole Beauchesne <gwenole.beauchesne at intel.com>
---
 include/EGL/eglmesaext.h        |    5 +++++
 src/egl/drivers/dri2/egl_dri2.c |   15 +++++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/include/EGL/eglmesaext.h b/include/EGL/eglmesaext.h
index d476d18..d08ba09 100644
--- a/include/EGL/eglmesaext.h
+++ b/include/EGL/eglmesaext.h
@@ -115,6 +115,11 @@ typedef EGLDisplay (EGLAPIENTRYP PFNEGLGETDRMDISPLAYMESA) (int fd);
 #define EGL_WAYLAND_BUFFER_WL		0x31D5 /* eglCreateImageKHR target */
 #define EGL_WAYLAND_PLANE_WL		0x31D6 /* eglCreateImageKHR target */
 
+#define EGL_TEXTURE_STRUCTURE_WL        0x31DA /* eglCreateImageKHR target */
+#define EGL_TEXTURE_STRUCTURE_FRAME_WL          0x0000
+#define EGL_TEXTURE_STRUCTURE_TOP_FIELD_WL      0x0001
+#define EGL_TEXTURE_STRUCTURE_BOTTOM_FIELD_WL   0x0002
+
 #define EGL_TEXTURE_Y_U_V_WL            0x31D7
 #define EGL_TEXTURE_Y_UV_WL             0x31D8
 #define EGL_TEXTURE_Y_XUXV_WL           0x31D9
diff --git a/src/egl/drivers/dri2/egl_dri2.c b/src/egl/drivers/dri2/egl_dri2.c
index 4ae2856..738c51c 100644
--- a/src/egl/drivers/dri2/egl_dri2.c
+++ b/src/egl/drivers/dri2/egl_dri2.c
@@ -1437,6 +1437,21 @@ dri2_query_wayland_buffer_wl(_EGLDriver *drv, _EGLDisplay *disp,
    case EGL_TEXTURE_FORMAT:
       *value = format->components;
       return EGL_TRUE;
+   case EGL_TEXTURE_STRUCTURE_WL:
+      switch (buffer->picture_structure) {
+      case WL_DRM_PICTURE_STRUCTURE_FRAME:
+         *value = EGL_TEXTURE_STRUCTURE_FRAME_WL;
+         break;
+      case WL_DRM_PICTURE_STRUCTURE_TOP_FIELD:
+         *value = EGL_TEXTURE_STRUCTURE_TOP_FIELD_WL;
+         break;
+      case WL_DRM_PICTURE_STRUCTURE_BOTTOM_FIELD:
+         *value = EGL_TEXTURE_STRUCTURE_BOTTOM_FIELD_WL;
+         break;
+      default:
+         return EGL_FALSE;
+      }
+      return EGL_TRUE;
    case EGL_WIDTH:
       *value = buffer->buffer.width;
       break;
-- 
1.7.9.5