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f295182833
Approximately three or four times now, the issue of pointers being in an inconsistent state been an issue in the video backend renderers with regards to tripping up other developers. Global (ugh) resources are put into a unique_ptr and will always have a well-defined state of being - null or not null
87 lines
2.1 KiB
C++
87 lines
2.1 KiB
C++
// Copyright 2010 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 <memory>
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#include <vector>
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#include "Common/CommonFuncs.h"
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#include "Common/CommonTypes.h"
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#include "VideoCommon/DataReader.h"
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#include "VideoCommon/NativeVertexFormat.h"
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class NativeVertexFormat;
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class PointerWrap;
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enum PrimitiveType {
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PRIMITIVE_POINTS,
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PRIMITIVE_LINES,
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PRIMITIVE_TRIANGLES,
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};
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struct Slope
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{
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float dfdx;
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float dfdy;
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float f0;
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bool dirty;
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};
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class VertexManagerBase
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{
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private:
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static const u32 SMALLEST_POSSIBLE_VERTEX = sizeof(float)*3; // 3 pos
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static const u32 LARGEST_POSSIBLE_VERTEX = sizeof(float)*45 + sizeof(u32)*2; // 3 pos, 3*3 normal, 2*u32 color, 8*4 tex, 1 posMat
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static const u32 MAX_PRIMITIVES_PER_COMMAND = (u16)-1;
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public:
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static const u32 MAXVBUFFERSIZE = ROUND_UP_POW2(MAX_PRIMITIVES_PER_COMMAND * LARGEST_POSSIBLE_VERTEX);
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// We may convert triangle-fans to triangle-lists, almost 3x as many indices.
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static const u32 MAXIBUFFERSIZE = ROUND_UP_POW2(MAX_PRIMITIVES_PER_COMMAND * 3);
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VertexManagerBase();
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// needs to be virtual for DX11's dtor
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virtual ~VertexManagerBase();
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static DataReader PrepareForAdditionalData(int primitive, u32 count, u32 stride, bool cullall);
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static void FlushData(u32 count, u32 stride);
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static void Flush();
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virtual NativeVertexFormat* CreateNativeVertexFormat(const PortableVertexDeclaration& vtx_decl) = 0;
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static void DoState(PointerWrap& p);
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protected:
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virtual void vDoState(PointerWrap& p) { }
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static PrimitiveType current_primitive_type;
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virtual void ResetBuffer(u32 stride) = 0;
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static u8* s_pCurBufferPointer;
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static u8* s_pBaseBufferPointer;
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static u8* s_pEndBufferPointer;
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static u32 GetRemainingSize();
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static u32 GetRemainingIndices(int primitive);
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static Slope s_zslope;
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static void CalculateZSlope(NativeVertexFormat* format);
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static bool s_cull_all;
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private:
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static bool s_is_flushed;
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virtual void vFlush(bool useDstAlpha) = 0;
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virtual void CreateDeviceObjects() {}
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virtual void DestroyDeviceObjects() {}
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};
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extern std::unique_ptr<VertexManagerBase> g_vertex_manager;
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