drm/st: Remove drm_api struct from drivers

	Remove the drm_api from the functions in the softpipe and
	i915simple drivers. Create wrapper functions in the
	backends instead.

3 files changed, 28 insertions, 2 deletions

diff --git a/src/gallium/winsys/drm/intel/gem/intel_be_api.c b/src/gallium/winsys/drm/intel/gem/intel_be_api.c
index d22d11e7237..09d4ba47290 100644
--- a/src/gallium/winsys/drm/intel/gem/intel_be_api.c
+++ b/src/gallium/winsys/drm/intel/gem/intel_be_api.c
@@ -14,7 +14,7 @@ struct drm_api intel_be_drm_api =
 	.create_context = intel_be_create_context,
 	/* intel_be_device.c */
 	.create_screen = intel_be_create_screen,
-	.buffer_from_texture = i915_get_texture_buffer,
+	.buffer_from_texture = intel_be_get_texture_buffer,
 	.buffer_from_handle = intel_be_buffer_from_handle,
 	.handle_from_buffer = intel_be_handle_from_buffer,
 	.global_handle_from_buffer = intel_be_global_handle_from_buffer,
diff --git a/src/gallium/winsys/drm/intel/gem/intel_be_device.c b/src/gallium/winsys/drm/intel/gem/intel_be_device.c
index 2d531279f77..e3630f5d120 100644
--- a/src/gallium/winsys/drm/intel/gem/intel_be_device.c
+++ b/src/gallium/winsys/drm/intel/gem/intel_be_device.c
@@ -142,6 +142,24 @@ err:
 	return NULL;
 }
 
+boolean
+intel_be_get_texture_buffer(struct drm_api *api,
+                            struct pipe_texture *texture,
+                            struct pipe_buffer **buffer,
+                            unsigned *stride)
+{
+	struct intel_be_device *dev;
+
+	if (!texture)
+		return FALSE;
+
+	dev = intel_be_device(texture->screen->winsys);
+	if (dev->softpipe)
+		return softpipe_get_texture_buffer(texture, buffer, stride);
+	else
+		return i915_get_texture_buffer(texture, buffer, stride);
+}
+
 struct pipe_buffer *
 intel_be_buffer_from_handle(struct drm_api *api,
                             struct pipe_screen *screen,
@@ -344,7 +362,6 @@ intel_be_create_screen(struct drm_api *api, int drmFD,
 
 	if (dev->softpipe) {
 		screen = softpipe_create_screen(&dev->base);
-		intel_be_drm_api.buffer_from_texture = softpipe_get_texture_buffer;
 	} else
 		screen = i915_create_screen(&dev->base, deviceID);
 
diff --git a/src/gallium/winsys/drm/intel/gem/intel_be_device.h b/src/gallium/winsys/drm/intel/gem/intel_be_device.h
index 777161daca0..56d95bd7fe0 100644
--- a/src/gallium/winsys/drm/intel/gem/intel_be_device.h
+++ b/src/gallium/winsys/drm/intel/gem/intel_be_device.h
@@ -52,6 +52,15 @@ struct intel_be_buffer {
 	unsigned flink;
 };
 
+/*
+ * Wrapper for driver get_texture_buffer functions.
+ */
+boolean
+intel_be_get_texture_buffer(struct drm_api *api,
+                            struct pipe_texture *texture,
+                            struct pipe_buffer **buffer,
+                            unsigned *stride);
+
 /**
  * Create a be buffer from a drm bo handle.
  *