i915: Enable winsys to get buffer from texture

1 files changed, 18 insertions, 0 deletions

diff --git a/src/gallium/drivers/i915simple/i915_texture.c b/src/gallium/drivers/i915simple/i915_texture.c
index 957726523fa..6aead3e75e9 100644
--- a/src/gallium/drivers/i915simple/i915_texture.c
+++ b/src/gallium/drivers/i915simple/i915_texture.c
@@ -42,6 +42,7 @@
 #include "i915_texture.h"
 #include "i915_debug.h"
 #include "i915_screen.h"
+#include "i915_winsys.h"
 
 /*
  * Helper function and arrays
@@ -765,3 +766,20 @@ i915_init_screen_texture_functions(struct pipe_screen *screen)
    screen->texture_blanket = i915_texture_blanket;
    screen->tex_surface_release = i915_tex_surface_release;
 }
+
+boolean i915_get_texture_buffer( struct pipe_texture *texture,
+                                 struct pipe_buffer **buf,
+                                 unsigned *stride )
+{
+   struct i915_texture *tex = (struct i915_texture *)texture;
+
+   if (!tex)
+      return FALSE;
+
+   pipe_buffer_reference(texture->screen, buf, tex->buffer);
+
+   if (stride)
+      *stride = tex->stride;
+
+   return TRUE;
+}