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https://github.com/hrydgard/ppsspp.git
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77 lines
2.8 KiB
C++
77 lines
2.8 KiB
C++
// Copyright (c) 2013- PPSSPP Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0 or later versions.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official git repository and contact information can be found at
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// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
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#pragma once
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#include <vector>
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#include <unordered_map>
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#include "Common/CommonTypes.h"
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#include "GPU/Common/GPUDebugInterface.h"
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#include "GPU/Common/VertexDecoderCommon.h"
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class VertexDecoder;
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enum {
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VERTEX_BUFFER_MAX = 65536,
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DECODED_VERTEX_BUFFER_SIZE = VERTEX_BUFFER_MAX * 64,
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DECODED_INDEX_BUFFER_SIZE = VERTEX_BUFFER_MAX * 16,
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SPLINE_BUFFER_SIZE = VERTEX_BUFFER_MAX * 20,
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};
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class DrawEngineCommon {
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public:
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DrawEngineCommon();
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virtual ~DrawEngineCommon();
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bool TestBoundingBox(void* control_points, int vertexCount, u32 vertType);
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bool GetCurrentSimpleVertices(int count, std::vector<GPUDebugVertex> &vertices, std::vector<u16> &indices);
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static u32 NormalizeVertices(u8 *outPtr, u8 *bufPtr, const u8 *inPtr, VertexDecoder *dec, int lowerBound, int upperBound, u32 vertType);
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// Flush is normally non-virtual but here's a virtual way to call it, used by the shared spline code, which is expensive anyway.
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// Not really sure if these wrappers are worth it...
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virtual void DispatchFlush() = 0;
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// Same for SubmitPrim
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virtual void DispatchSubmitPrim(void *verts, void *inds, GEPrimitiveType prim, int vertexCount, u32 vertType, int *bytesRead) = 0;
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void SubmitSpline(const void *control_points, const void *indices, int tess_u, int tess_v, int count_u, int count_v, int type_u, int type_v, GEPatchPrimType prim_type, bool computeNormals, bool patchFacing, u32 vertType);
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void SubmitBezier(const void *control_points, const void *indices, int tess_u, int tess_v, int count_u, int count_v, GEPatchPrimType prim_type, bool computeNormals, bool patchFacing, u32 vertType);
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protected:
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// Preprocessing for spline/bezier
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u32 NormalizeVertices(u8 *outPtr, u8 *bufPtr, const u8 *inPtr, int lowerBound, int upperBound, u32 vertType);
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VertexDecoder *GetVertexDecoder(u32 vtype);
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// Vertex collector buffers
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u8 *decoded;
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u16 *decIndex;
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u8 *splineBuffer;
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// Cached vertex decoders
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std::unordered_map<u32, VertexDecoder *> decoderMap_;
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VertexDecoder *dec_;
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VertexDecoderJitCache *decJitCache_;
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VertexDecoderOptions decOptions_;
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// Fixed index buffer for easy quad generation from spline/bezier
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u16 *quadIndices_;
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};
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