genX/state: Pull some generic helpers into a shared header

1 files changed, 67 insertions, 0 deletions

diff --git a/src/vulkan/genX_state_util.h b/src/vulkan/genX_state_util.h
new file mode 100644
index 00000000000..cedfabda1f3
--- /dev/null
+++ b/src/vulkan/genX_state_util.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright © 2015 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+static const uint8_t
+anv_surftype(const struct anv_image *image, VkImageViewType view_type,
+             bool storage)
+{
+   switch (view_type) {
+   default:
+      unreachable("bad VkImageViewType");
+   case VK_IMAGE_VIEW_TYPE_1D:
+   case VK_IMAGE_VIEW_TYPE_1D_ARRAY:
+      assert(image->type == VK_IMAGE_TYPE_1D);
+      return SURFTYPE_1D;
+   case VK_IMAGE_VIEW_TYPE_CUBE:
+   case VK_IMAGE_VIEW_TYPE_CUBE_ARRAY:
+      assert(image->type == VK_IMAGE_TYPE_2D);
+      return storage ? SURFTYPE_2D : SURFTYPE_CUBE;
+   case VK_IMAGE_VIEW_TYPE_2D:
+   case VK_IMAGE_VIEW_TYPE_2D_ARRAY:
+      assert(image->type == VK_IMAGE_TYPE_2D);
+      return SURFTYPE_2D;
+   case VK_IMAGE_VIEW_TYPE_3D:
+      assert(image->type == VK_IMAGE_TYPE_3D);
+      return SURFTYPE_3D;
+   }
+}
+
+#if ANV_GEN > 7 || ANV_IS_HASWELL
+static const uint32_t vk_to_gen_swizzle_map[] = {
+   [VK_COMPONENT_SWIZZLE_ZERO]                 = SCS_ZERO,
+   [VK_COMPONENT_SWIZZLE_ONE]                  = SCS_ONE,
+   [VK_COMPONENT_SWIZZLE_R]                    = SCS_RED,
+   [VK_COMPONENT_SWIZZLE_G]                    = SCS_GREEN,
+   [VK_COMPONENT_SWIZZLE_B]                    = SCS_BLUE,
+   [VK_COMPONENT_SWIZZLE_A]                    = SCS_ALPHA
+};
+
+static inline uint32_t
+vk_to_gen_swizzle(VkComponentSwizzle swizzle, VkComponentSwizzle component)
+{
+   if (swizzle == VK_COMPONENT_SWIZZLE_IDENTITY)
+      return vk_to_gen_swizzle_map[component];
+   else
+      return vk_to_gen_swizzle_map[swizzle];
+}
+#endif