Argument Buffers (#24)

* Stuff

* More arg buffer stuff

* Fixes

* Rebase

* Pass storage buffers to inline functions

* Fix binding

* Fix typo + Fix a couple shaders

* Enforce ids

* Dispose

* Mark used buffers as resident

* Update depth clear shader

* Fix non-contiguous struct defs

* Update ChangeBufferStride

* Fix StorageBuffer assignments

* Fix odyssey crash

* Retain buffer bindings

* Pad Std140

* Set texture data with safe buffers

* Clone buffers

* Always declare vert in

* Stop clears from breaking OpenGL games

* Fix depth clear

* Use invariant position

* Horribly inefficient texture & sampler arg buffers

* Fix missing struct access

* Minimise rebinds as much as possible

* Build arg buffers on staging buffer

src/Ryujinx.Graphics.Metal/Shaders/ColorClear.metal

@@ -6,6 +6,14 @@ struct VertexOut {
     float4 position [[position]];
 };
 
+struct ClearColor {
+    float4 data;
+};
+
+struct ConstantBuffers {
+    constant ClearColor* clear_color;
+};
+
 vertex VertexOut vertexMain(ushort vid [[vertex_id]]) {
     int low = vid & 1;
     int high = vid >> 1;
@@ -25,6 +33,6 @@ struct FragmentOut {
 };
 
 fragment FragmentOut fragmentMain(VertexOut in [[stage_in]],
-                                  constant float4& clear_color [[buffer(0)]]) {
-    return {clear_color};
+                                  constant ConstantBuffers &constant_buffers [[buffer(20)]]) {
+    return {constant_buffers.clear_color->data};
 }