Update RenderingContext and D3D12Renderer to use new API.

Ghost.Shader/BuiltIn/Common.hlsl

@@ -3,6 +3,9 @@
 
 #undef USE_TRADITIONAL_BINDLESS // Just for testing, this should be handled by engine feature level.
 
+
+// Resource descriptor heap definitions
+
 #if defined(USE_TRADITIONAL_BINDLESS)
 #define GLOBAL_TEXTURE2D_HEAP_SIZE 32768
 #define GLOBAL_TEXTURE3D_HEAP_SIZE 32
@@ -27,6 +30,8 @@
 #endif
 
 
+// Bindless resource type definitions
+
 #define TEXTURE2D_BINDLESS uint
 #define TEXTURE3D_BINDLESS uint
 #define TEXTURECUBE_BINDLESS uint
@@ -38,6 +43,19 @@
 #define STRUCT_BUFFER_BINDLESS uint
 #define BYTE_ADDRESS_BUFFER_BINDLESS uint
 
+#define TEXTURE2D Texture2D<float4>
+#define TEXTURE3D Texture3D<float4>
+#define TEXTURECUBE TextureCube<float4>
+#define TEXTURE2D_ARRAY Texture2DArray<float4>
+#define TEXTURECUBE_ARRAY TextureCubeArray<float4>
+
+#define SAMPLER SamplerState
+
+#define STRUCT_BUFFER(type) StructuredBuffer<type>
+#define BYTE_ADDRESS_BUFFER ByteAddressBuffer
+
+
+// Texture and sampler access macros
 
 #define GET_TEXTURE2D_BINDLESS(id) GLOBAL_TEXTURE2D_HEAP[id]
 #define GET_TEXTURE2D_ARRAY_BINDLESS(id) GLOBAL_TEXTURE2D_ARRAY_HEAP[id]
@@ -47,6 +65,8 @@
 #define GET_SAMPLER_BINDLESS(id) GLOBAL_SAMPLER_HEAP[id]
 
 
+// Texture sampling macros
+
 #define SAMPLE_TEXTURE2D(tex, samp, uv) tex.Sample(samp, uv)
 #define SAMPLE_TEXTURE2D_LEVEL(tex, samp, uv, level) tex.SampleLevel(samp, uv, level)
 #define SAMPLE_TEXTURE2D_BINDLESS(texId, sampId, uv) GET_TEXTURE2D_BINDLESS(texId).Sample(GET_BINDLESS_SAMPLER(sampId), uv)
@@ -55,4 +75,8 @@
 #define SAMPLE_TEXTURE2D_ARRAY(tex, samp, uv, index) tex.Sample(samp, uv, index)
 #define SAMPLE_TEXTURE2D_ARRAY_BINDLESS(texId, sampId, uv, index) GET_TEXTURE2D_ARRAY_BINDLESS(texId).Sample(GET_BINDLESS_SAMPLER(sampId), uv, index)
 
-#endif // COMMON_HLSL
+
+
+#define MESH_SHADER_THREADS(x) [NumThreads(x, 1, 1)]
+
+#endif // COMMON_HLSL