android: make DRM optional

For BOARD_GPU_DRIVERS=swrast build, DRM is not needed.

2 files changed, 22 insertions, 2 deletions

diff --git a/src/gallium/state_trackers/egl/Android.mk b/src/gallium/state_trackers/egl/Android.mk
index e459bd4655e..13b013babc4 100644
--- a/src/gallium/state_trackers/egl/Android.mk
+++ b/src/gallium/state_trackers/egl/Android.mk
@@ -45,8 +45,14 @@ LOCAL_CFLAGS := -DHAVE_ANDROID_BACKEND
 LOCAL_C_INCLUDES := \
 	$(GALLIUM_TOP)/state_trackers/egl \
 	$(GALLIUM_TOP)/winsys/sw \
-	$(MESA_TOP)/src/egl/main \
-	$(DRM_GRALLOC_TOP)
+	$(MESA_TOP)/src/egl/main
+
+# swrast only
+ifeq ($(MESA_GPU_DRIVERS),swrast)
+LOCAL_CFLAGS += -DANDROID_BACKEND_NO_DRM
+else
+LOCAL_C_INCLUDES += $(DRM_GRALLOC_TOP)
+endif
 
 LOCAL_MODULE := libmesa_st_egl
 
diff --git a/src/gallium/state_trackers/egl/android/native_android.cpp b/src/gallium/state_trackers/egl/android/native_android.cpp
index 211d6a2aeef..338427d6925 100644
--- a/src/gallium/state_trackers/egl/android/native_android.cpp
+++ b/src/gallium/state_trackers/egl/android/native_android.cpp
@@ -136,6 +136,8 @@ get_pipe_format(int native)
    return fmt;
 }
 
+#ifndef ANDROID_BACKEND_NO_DRM
+
 #include <gralloc_drm_handle.h>
 static int
 get_handle_name(buffer_handle_t handle)
@@ -148,6 +150,16 @@ get_handle_name(buffer_handle_t handle)
    return (dh) ? dh->name : 0;
 }
 
+#else
+
+static int
+get_handle_name(buffer_handle_t handle)
+{
+   return 0;
+}
+
+#endif /* ANDROID_BACKEND_NO_DRM */
+
 /**
  * Import an android_native_buffer_t allocated by the server.
  */
@@ -581,6 +593,7 @@ android_display_init_drm(struct native_display *ndpy)
    const hw_module_t *mod;
    int fd, err;
 
+#ifndef ANDROID_BACKEND_NO_DRM
    /* get the authorized fd from gralloc */
    err = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &mod);
    if (!err) {
@@ -594,6 +607,7 @@ android_display_init_drm(struct native_display *ndpy)
       adpy->base.screen =
          adpy->event_handler->new_drm_screen(&adpy->base, NULL, fd);
    }
+#endif
 
    if (adpy->base.screen) {
       LOGI("using DRM screen");