ilo: add ilo_image_init_for_imported()

It replaces ilo_image_update_for_imported_bo() and enables more error
checkings for imported textures.

3 files changed, 66 insertions, 60 deletions

diff --git a/src/gallium/drivers/ilo/core/ilo_image.c b/src/gallium/drivers/ilo/core/ilo_image.c
index abfed69..9c0f25a 100644
--- a/src/gallium/drivers/ilo/core/ilo_image.c
+++ b/src/gallium/drivers/ilo/core/ilo_image.c
@@ -484,8 +484,6 @@ img_init_tiling(struct ilo_image *img,
          preferred_tilings &= IMAGE_TILING_NONE;
    }
 
-   img->valid_tilings = params->valid_tilings;
-
    /* prefer tiled over linear */
    if (preferred_tilings & IMAGE_TILING_Y)
       img->tiling = GEN6_TILING_Y;
@@ -1349,7 +1347,6 @@ img_init_for_transfer(struct ilo_image *img,
    img->block_size = util_format_get_blocksize(templ->format);
    img->walk = ILO_IMAGE_WALK_LOD;
 
-   img->valid_tilings = IMAGE_TILING_NONE;
    img->tiling = GEN6_TILING_NONE;
 
    img->align_i = img->block_width;
@@ -1397,23 +1394,31 @@ void ilo_image_init(struct ilo_image *img,
    img_init(img, &params);
 }
 
-/**
- * Update the tiling mode and bo stride (for imported resources).
- */
 bool
-ilo_image_update_for_imported_bo(struct ilo_image *img,
-                                 enum gen_surface_tiling tiling,
-                                 unsigned bo_stride)
+ilo_image_init_for_imported(struct ilo_image *img,
+                            const struct ilo_dev *dev,
+                            const struct pipe_resource *templ,
+                            enum gen_surface_tiling tiling,
+                            unsigned bo_stride)
 {
-   if (!(img->valid_tilings & (1 << tiling)))
-      return false;
+   struct ilo_image_params params;
 
    if ((tiling == GEN6_TILING_X && bo_stride % 512) ||
        (tiling == GEN6_TILING_Y && bo_stride % 128) ||
        (tiling == GEN8_TILING_W && bo_stride % 64))
       return false;
 
-   img->tiling = tiling;
+   memset(&params, 0, sizeof(params));
+   params.dev = dev;
+   params.templ = templ;
+   params.valid_tilings = 1 << tiling;
+
+   img_init(img, &params);
+
+   assert(img->tiling == tiling);
+   if (img->bo_stride > bo_stride)
+      return false;
+
    img->bo_stride = bo_stride;
 
    return true;
diff --git a/src/gallium/drivers/ilo/core/ilo_image.h b/src/gallium/drivers/ilo/core/ilo_image.h
index 50a7803..0cdd8ae 100644
--- a/src/gallium/drivers/ilo/core/ilo_image.h
+++ b/src/gallium/drivers/ilo/core/ilo_image.h
@@ -105,8 +105,6 @@ struct ilo_image {
    enum ilo_image_walk_type walk;
    bool interleaved_samples;
 
-   /* bitmask of valid tilings */
-   unsigned valid_tilings;
    enum gen_surface_tiling tiling;
 
    /* physical LOD slice alignments */
@@ -150,9 +148,11 @@ ilo_image_init(struct ilo_image *img,
                const struct pipe_resource *templ);
 
 bool
-ilo_image_update_for_imported_bo(struct ilo_image *img,
-                                 enum gen_surface_tiling tiling,
-                                 unsigned bo_stride);
+ilo_image_init_for_imported(struct ilo_image *img,
+                            const struct ilo_dev *dev,
+                            const struct pipe_resource *templ,
+                            enum gen_surface_tiling tiling,
+                            unsigned bo_stride);
 
 static inline void
 ilo_image_cleanup(struct ilo_image *img)
diff --git a/src/gallium/drivers/ilo/ilo_resource.c b/src/gallium/drivers/ilo/ilo_resource.c
index aafa37c..2aa8508 100644
--- a/src/gallium/drivers/ilo/ilo_resource.c
+++ b/src/gallium/drivers/ilo/ilo_resource.c
@@ -154,34 +154,6 @@ tex_alloc_slices(struct ilo_texture *tex)
 }
 
 static bool
-tex_import_handle(struct ilo_texture *tex,
-                  const struct winsys_handle *handle)
-{
-   struct ilo_screen *is = ilo_screen(tex->base.screen);
-   const char *name = resource_get_bo_name(&tex->base);
-   enum intel_tiling_mode tiling;
-   unsigned long pitch;
-   struct intel_bo *bo;
-
-   bo = intel_winsys_import_handle(is->dev.winsys, name, handle,
-         tex->image.bo_height, &tiling, &pitch);
-   if (!bo)
-      return false;
-
-   if (!ilo_image_update_for_imported_bo(&tex->image,
-            winsys_to_surface_tiling(tiling), pitch)) {
-      ilo_err("imported handle has incompatible tiling/pitch\n");
-      intel_bo_unref(bo);
-      return false;
-   }
-
-   ilo_image_set_bo(&tex->image, bo);
-   intel_bo_unref(bo);
-
-   return true;
-}
-
-static bool
 tex_create_bo(struct ilo_texture *tex)
 {
    struct ilo_screen *is = ilo_screen(tex->base.screen);
@@ -302,18 +274,12 @@ tex_destroy(struct ilo_texture *tex)
 }
 
 static bool
-tex_alloc_bos(struct ilo_texture *tex,
-              const struct winsys_handle *handle)
+tex_alloc_bos(struct ilo_texture *tex)
 {
    struct ilo_screen *is = ilo_screen(tex->base.screen);
 
-   if (handle) {
-      if (!tex_import_handle(tex, handle))
-         return false;
-   } else {
-      if (!tex_create_bo(tex))
-         return false;
-   }
+   if (!tex->imported && !tex_create_bo(tex))
+      return false;
 
    /* allocate separate stencil resource */
    if (tex->image.separate_stencil && !tex_create_separate_stencil(tex))
@@ -340,13 +306,50 @@ tex_alloc_bos(struct ilo_texture *tex,
 }
 
 static bool
-tex_init_image(struct ilo_texture *tex)
+tex_import_handle(struct ilo_texture *tex,
+                  const struct winsys_handle *handle)
+{
+   struct ilo_screen *is = ilo_screen(tex->base.screen);
+   const struct pipe_resource *templ = &tex->base;
+   const char *name = resource_get_bo_name(&tex->base);
+   enum intel_tiling_mode tiling;
+   unsigned long pitch;
+   struct intel_bo *bo;
+
+   bo = intel_winsys_import_handle(is->dev.winsys, name, handle,
+         tex->image.bo_height, &tiling, &pitch);
+   if (!bo)
+      return false;
+
+   if (!ilo_image_init_for_imported(&tex->image, &is->dev, templ,
+            winsys_to_surface_tiling(tiling), pitch)) {
+      ilo_err("failed to import handle for texture\n");
+      intel_bo_unref(bo);
+      return false;
+   }
+
+   ilo_image_set_bo(&tex->image, bo);
+   intel_bo_unref(bo);
+
+   tex->imported = true;
+
+   return true;
+}
+
+static bool
+tex_init_image(struct ilo_texture *tex,
+               const struct winsys_handle *handle)
 {
    struct ilo_screen *is = ilo_screen(tex->base.screen);
    const struct pipe_resource *templ = &tex->base;
    struct ilo_image *img = &tex->image;
 
-   ilo_image_init(img, &is->dev, templ);
+   if (handle) {
+      if (!tex_import_handle(tex, handle))
+         return false;
+   } else {
+      ilo_image_init(img, &is->dev, templ);
+   }
 
    if (img->bo_height > ilo_max_resource_size / img->bo_stride)
       return false;
@@ -379,14 +382,12 @@ tex_create(struct pipe_screen *screen,
    tex->base.screen = screen;
    pipe_reference_init(&tex->base.reference, 1);
 
-   tex->imported = (handle != NULL);
-
-   if (!tex_init_image(tex)) {
+   if (!tex_init_image(tex, handle)) {
       FREE(tex);
       return NULL;
    }
 
-   if (!tex_alloc_bos(tex, handle)) {
+   if (!tex_alloc_bos(tex)) {
       tex_destroy(tex);
       return NULL;
    }