i915g: Implement EGL_EXT_image_dma_buf_import

[mesa.git] / src / gallium / winsys / i915 / drm / i915_drm_buffer.c

diff --git a/src/gallium/winsys/i915/drm/i915_drm_buffer.c b/src/gallium/winsys/i915/drm/i915_drm_buffer.c
index ac66af333dfd84000171d16bdd3fc5d6851ac131..c0698529e1cf246ef4f796043c125da08e35d3d0 100644 (file)
--- a/src/gallium/winsys/i915/drm/i915_drm_buffer.c
+++ b/src/gallium/winsys/i915/drm/i915_drm_buffer.c
@@ -1,4 +1,3 @@
-
 #include "state_tracker/drm_driver.h"
 #include "i915_drm_winsys.h"
 #include "util/u_memory.h"
@@ -72,7 +71,7 @@ i915_drm_buffer_create_tiled(struct i915_winsys *iws,
 
    buf->bo = drm_intel_bo_alloc_tiled(idws->gem_manager,
                                       i915_drm_type_to_name(type),
-                                     *stride, height, 1,
+                                      *stride, height, 1,
                                       &tiling_mode, &pitch, 0);
 
    if (!buf->bo)
@@ -91,18 +90,30 @@ err:
 static struct i915_winsys_buffer *
 i915_drm_buffer_from_handle(struct i915_winsys *iws,
                             struct winsys_handle *whandle,
+                            unsigned height,
                             enum i915_winsys_buffer_tile *tiling,
                             unsigned *stride)
 {
    struct i915_drm_winsys *idws = i915_drm_winsys(iws);
-   struct i915_drm_buffer *buf = CALLOC_STRUCT(i915_drm_buffer);
+   struct i915_drm_buffer *buf;
    uint32_t tile = 0, swizzle = 0;
 
+   if ((whandle->type != DRM_API_HANDLE_TYPE_SHARED) && (whandle->type != DRM_API_HANDLE_TYPE_FD))
+      return NULL;
+
+   buf = CALLOC_STRUCT(i915_drm_buffer);
    if (!buf)
       return NULL;
 
    buf->magic = 0xDEAD1337;
-   buf->bo = drm_intel_bo_gem_create_from_name(idws->gem_manager, "gallium3d_from_handle", whandle->handle);
+
+   if (whandle->type == DRM_API_HANDLE_TYPE_SHARED)
+       buf->bo = drm_intel_bo_gem_create_from_name(idws->gem_manager, "gallium3d_from_handle", whandle->handle);
+   else if (whandle->type == DRM_API_HANDLE_TYPE_FD) {
+       int fd = (int) whandle->handle;
+       buf->bo = drm_intel_bo_gem_create_from_prime(idws->gem_manager, fd, height * whandle->stride);
+   }
+
    buf->flinked = TRUE;
    buf->flink = whandle->handle;