1 files changed, 45 insertions, 0 deletions
diff --git a/source/blender/gpu/metal/mtl_capabilities.hh b/source/blender/gpu/metal/mtl_capabilities.hh
new file mode 100644
index 00000000000..8acdf5f303a
--- /dev/null
+++ b/source/blender/gpu/metal/mtl_capabilities.hh
@@ -0,0 +1,45 @@
+/** \file
+ * \ingroup gpu
+ */
+
+#pragma once
+
+namespace blender {
+namespace gpu {
+
+/*** Derived from: https://developer.apple.com/metal/Metal-Feature-Set-Tables.pdf ***/
+/** Upper Bound/Fixed Limits **/
+
+#define METAL_MAX_TEXTURE_SLOTS 128
+#define METAL_MAX_SAMPLER_SLOTS METAL_MAX_TEXTURE_SLOTS
+#define METAL_MAX_UNIFORM_BUFFER_BINDINGS 31
+#define METAL_MAX_VERTEX_INPUT_ATTRIBUTES 31
+#define METAL_MAX_UNIFORMS_PER_BLOCK 64
+
+/* Context-specific limits -- populated in 'MTLBackend::platform_init' */
+typedef struct MTLCapabilities {
+
+  /* Variable Limits & faeture sets */
+  int max_color_render_targets = 4;          /* Minimum = 4 */
+  int buffer_alignment_for_textures = 256;   /* Upper bound = 256 bytes */
+  int minimum_buffer_offset_alignment = 256; /* Upper bound = 256 bytes */
+
+  /* Capabilities */
+  bool supports_vertex_amplification = false;
+  bool supports_texture_swizzle = true;
+  bool supports_cubemaps = true;
+  bool supports_layered_rendering = true;
+  bool supports_memory_barriers = false;
+  bool supports_sampler_border_color = false;
+  bool supports_argument_buffers_tier2 = false;
+
+  /* GPU Family */
+  bool supports_family_mac1 = false;
+  bool supports_family_mac2 = false;
+  bool supports_family_mac_catalyst1 = false;
+  bool supports_family_mac_catalyst2 = false;
+
+} MTLCapabilities;
+
+}  // namespace gpu
+}  // namespace blender