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/* FNA3D - 3D Graphics Library for FNA
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*
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* Copyright (c) 2020-2022 Ethan Lee
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*
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* This software is provided 'as-is', without any express or implied warranty.
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* In no event will the authors be held liable for any damages arising from
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* the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software in a
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* product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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*
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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*
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* 3. This notice may not be removed or altered from any source distribution.
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*
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* Ethan "flibitijibibo" Lee <flibitijibibo@flibitijibibo.com>
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*
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*/
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#ifndef FNA3D_PIPELINECACHE_H
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#define FNA3D_PIPELINECACHE_H
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#include "FNA3D_Driver.h"
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/* Packed Pipeline States */
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typedef struct PackedState
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{
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uint64_t a;
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uint64_t b;
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} PackedState;
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typedef struct PackedStateMap
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{
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PackedState key;
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void* value;
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} PackedStateMap;
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typedef struct PackedStateArray
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{
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PackedStateMap *elements;
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int32_t count;
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int32_t capacity;
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} PackedStateArray;
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PackedState GetPackedBlendState(FNA3D_BlendState blendState);
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PackedState GetPackedDepthStencilState(FNA3D_DepthStencilState dsState);
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PackedState GetPackedRasterizerState(FNA3D_RasterizerState rastState, float bias);
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PackedState GetPackedSamplerState(FNA3D_SamplerState samplerState);
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void* PackedStateArray_Fetch(PackedStateArray arr, PackedState key);
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void PackedStateArray_Insert(PackedStateArray *arr, PackedState key, void* value);
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/* Vertex Buffer Bindings */
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typedef struct PackedVertexBufferBindings
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{
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void* vertexShader;
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uint32_t hash;
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} PackedVertexBufferBindings;
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typedef struct PackedVertexBufferBindingsMap
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{
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PackedVertexBufferBindings key;
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void* value;
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} PackedVertexBufferBindingsMap;
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/* FIXME: Can we make this common to both packed and vertex structs? */
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typedef struct VertexBufferBindingsArray
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{
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PackedVertexBufferBindingsMap *elements;
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int32_t count;
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int32_t capacity;
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} PackedVertexBufferBindingsArray;
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void* PackedVertexBufferBindingsArray_Fetch(
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PackedVertexBufferBindingsArray arr,
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FNA3D_VertexBufferBinding *bindings,
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int32_t numBindings,
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void* vertexShader,
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int32_t *outIndex,
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uint32_t *outHash
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);
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void PackedVertexBufferBindingsArray_Insert(
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PackedVertexBufferBindingsArray *arr,
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FNA3D_VertexBufferBinding *bindings,
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int32_t numBindings,
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void* vertexShader,
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void* value
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);
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/* Macros */
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#define EXPAND_ARRAY_IF_NEEDED(arr, initialValue, type) \
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if (arr->count == arr->capacity) \
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{ \
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if (arr->capacity == 0) \
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{ \
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arr->capacity = initialValue; \
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} \
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else \
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{ \
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arr->capacity *= 2; \
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} \
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arr->elements = (type*) SDL_realloc( \
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arr->elements, \
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arr->capacity * sizeof(type) \
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); \
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}
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#endif /* FNA3D_PIPELINECACHE_H */
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/* vim: set noexpandtab shiftwidth=8 tabstop=8: */
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