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132 lines
3 KiB
C++
132 lines
3 KiB
C++
//
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//---------------------------------------------------------------------------
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//
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// Copyright(C) 2005-2016 Christoph Oelckers
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// All rights reserved.
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//
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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 Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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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 Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with this program. If not, see http://www.gnu.org/licenses/
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//
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//--------------------------------------------------------------------------
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//
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#ifndef _HW__VERTEXBUFFER_H
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#define _HW__VERTEXBUFFER_H
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#include "tarray.h"
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#include "hwrenderer/data/buffers.h"
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#include <atomic>
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#include <mutex>
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class FRenderState;
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struct FFlatVertex
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{
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float x, z, y; // world position
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float u, v; // texture coordinates
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void SetFlatVertex(vertex_t *vt, const secplane_t &plane);
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void Set(float xx, float zz, float yy, float uu, float vv)
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{
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x = xx;
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z = zz;
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y = yy;
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u = uu;
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v = vv;
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}
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};
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class FFlatVertexBuffer
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{
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TArray<FFlatVertex> vbo_shadowdata;
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TArray<uint32_t> ibo_data;
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IVertexBuffer *mVertexBuffer;
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IIndexBuffer *mIndexBuffer;
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unsigned int mIndex;
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std::atomic<unsigned int> mCurIndex;
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unsigned int mNumReserved;
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static const unsigned int BUFFER_SIZE = 2000000;
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static const unsigned int BUFFER_SIZE_TO_USE = 1999500;
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public:
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enum
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{
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QUAD_INDEX = 0,
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FULLSCREEN_INDEX = 4,
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PRESENT_INDEX = 8,
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STENCILTOP_INDEX = 12,
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STENCILBOTTOM_INDEX = 16,
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NUM_RESERVED = 20
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};
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FFlatVertexBuffer(int width, int height);
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~FFlatVertexBuffer();
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void OutputResized(int width, int height);
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std::pair<IVertexBuffer *, IIndexBuffer *> GetBufferObjects() const
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{
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return std::make_pair(mVertexBuffer, mIndexBuffer);
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}
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void CreateVBO();
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void Copy(int start, int count);
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FFlatVertex *GetBuffer(int index) const
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{
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FFlatVertex *ff = (FFlatVertex*)mVertexBuffer->Memory();
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return &ff[index];
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}
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FFlatVertex *GetBuffer() const
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{
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return GetBuffer(mCurIndex);
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}
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std::pair<FFlatVertex *, unsigned int> AllocVertices(unsigned int count);
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void Reset()
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{
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mCurIndex = mIndex;
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}
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void Map()
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{
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mVertexBuffer->Map();
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}
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void Unmap()
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{
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mVertexBuffer->Unmap();
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}
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private:
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int CreateIndexedSectionVertices(subsector_t *sub, const secplane_t &plane, int floor, VertexContainer &cont);
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int CreateIndexedSectorVertices(sector_t *sec, const secplane_t &plane, int floor, VertexContainer &cont);
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int CreateIndexedVertices(int h, sector_t *sec, const secplane_t &plane, int floor, VertexContainers &cont);
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void CreateIndexedFlatVertices();
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void UpdatePlaneVertices(sector_t *sec, int plane);
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protected:
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void CreateVertices();
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void CheckPlanes(sector_t *sector);
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public:
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void CheckUpdate(sector_t *sector);
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};
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#endif
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