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Source/Engine/Graphics/Shaders/Config.h

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+// Copyright (c) 2012-2020 Wojciech Figat. All rights reserved.
+
+#pragma once
+
+#include "Engine/Core/Config.h"
+#include "Engine/Core/Enums.h"
+#include "Engine/Graphics/Enums.h"
+
+#define INPUT_LAYOUT_ELEMENT_ALIGN 0xffffffff
+#define INPUT_LAYOUT_ELEMENT_PER_VERTEX_DATA 0
+#define INPUT_LAYOUT_ELEMENT_PER_INSTANCE_DATA 1
+
+/// <summary>
+/// Maximum amount of input elements for vertex shader programs
+/// </summary>
+#define VERTEX_SHADER_MAX_INPUT_ELEMENTS 16
+
+/// <summary>
+/// Maximum allowed amount of shader program permutations
+/// </summary>
+#define SHADER_PERMUTATIONS_MAX_COUNT 16
+
+/// <summary>
+/// Maximum allowed amount of parameters for permutation
+/// </summary>
+#define SHADER_PERMUTATIONS_MAX_PARAMS_COUNT 4
+
+/// <summary>
+/// Maximum allowed amount of constant buffers that can be binded to the pipeline (maximum slot index is  MAX_CONSTANT_BUFFER_SLOTS-1)
+/// </summary>
+#define MAX_CONSTANT_BUFFER_SLOTS 4
+
+/// <summary>
+/// Shader program type
+/// </summary>
+DECLARE_ENUM_EX_6(ShaderStage, int32, 0, Vertex, Hull, Domain, Geometry, Pixel, Compute);
+
+/// <summary>
+/// Shader macro definition structure
+/// </summary>
+struct ShaderMacro
+{
+    /// <summary>
+    /// Macro name
+    /// </summary>
+    const char* Name;
+
+    /// <summary>
+    /// Macro value
+    /// </summary>
+    const char* Definition;
+};