forked from dolphin-emu/dolphin
03f2c9648d
This frees up 21 bits and allows us to shorten the UID struct by an entire 32 bits. It's not strictly needed (as it's encoded into the length) but I added a bit for per-pixel lighiting to make my life easier in the following commits.
118 lines
2.8 KiB
C++
118 lines
2.8 KiB
C++
// Copyright 2008 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#pragma once
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#include <cstring>
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#include <functional> // for hash
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#include "Common/CommonTypes.h"
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#include "Common/Hash.h"
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#include "Common/NonCopyable.h"
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// m_components
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enum
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{
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VB_HAS_POSMTXIDX = (1 << 1),
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VB_HAS_TEXMTXIDX0 = (1 << 2),
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VB_HAS_TEXMTXIDX1 = (1 << 3),
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VB_HAS_TEXMTXIDX2 = (1 << 4),
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VB_HAS_TEXMTXIDX3 = (1 << 5),
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VB_HAS_TEXMTXIDX4 = (1 << 6),
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VB_HAS_TEXMTXIDX5 = (1 << 7),
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VB_HAS_TEXMTXIDX6 = (1 << 8),
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VB_HAS_TEXMTXIDX7 = (1 << 9),
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VB_HAS_TEXMTXIDXALL = (0xff << 2),
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// VB_HAS_POS=0, // Implied, it always has pos! don't bother testing
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VB_HAS_NRM0 = (1 << 10),
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VB_HAS_NRM1 = (1 << 11),
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VB_HAS_NRM2 = (1 << 12),
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VB_HAS_NRMALL = (7 << 10),
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VB_COL_SHIFT = 13,
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VB_HAS_COL0 = (1 << 13),
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VB_HAS_COL1 = (1 << 14),
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VB_HAS_UV0 = (1 << 15),
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VB_HAS_UV1 = (1 << 16),
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VB_HAS_UV2 = (1 << 17),
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VB_HAS_UV3 = (1 << 18),
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VB_HAS_UV4 = (1 << 19),
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VB_HAS_UV5 = (1 << 20),
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VB_HAS_UV6 = (1 << 21),
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VB_HAS_UV7 = (1 << 22),
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VB_HAS_UVALL = (0xff << 15),
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VB_HAS_UVTEXMTXSHIFT = 13,
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};
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enum VarType
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{
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VAR_UNSIGNED_BYTE, // GX_U8 = 0
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VAR_BYTE, // GX_S8 = 1
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VAR_UNSIGNED_SHORT, // GX_U16 = 2
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VAR_SHORT, // GX_S16 = 3
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VAR_FLOAT, // GX_F32 = 4
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};
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struct AttributeFormat
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{
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VarType type;
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int components;
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int offset;
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bool enable;
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bool integer;
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};
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struct PortableVertexDeclaration
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{
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int stride;
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AttributeFormat position;
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AttributeFormat normals[3];
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AttributeFormat colors[2];
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AttributeFormat texcoords[8];
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AttributeFormat posmtx;
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inline bool operator<(const PortableVertexDeclaration& b) const
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{
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return memcmp(this, &b, sizeof(PortableVertexDeclaration)) < 0;
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}
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inline bool operator==(const PortableVertexDeclaration& b) const
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{
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return memcmp(this, &b, sizeof(PortableVertexDeclaration)) == 0;
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}
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};
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namespace std
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{
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template <>
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struct hash<PortableVertexDeclaration>
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{
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size_t operator()(const PortableVertexDeclaration& decl) const
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{
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return HashFletcher((u8*)&decl, sizeof(decl));
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}
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};
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}
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// The implementation of this class is specific for GL/DX, so NativeVertexFormat.cpp
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// is in the respective backend, not here in VideoCommon.
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// Note that this class can't just invent arbitrary vertex formats out of its input -
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// all the data loading code must always be made compatible.
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class NativeVertexFormat : NonCopyable
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{
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public:
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virtual ~NativeVertexFormat() {}
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virtual void SetupVertexPointers() = 0;
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u32 GetVertexStride() const { return vtx_decl.stride; }
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const PortableVertexDeclaration& GetVertexDeclaration() const { return vtx_decl; }
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protected:
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// Let subclasses construct.
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NativeVertexFormat() {}
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PortableVertexDeclaration vtx_decl;
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};
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