raze-gles/source/common/rendering/hwrenderer/data/flatvertices.h

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#ifndef _HW__VERTEXBUFFER_H
#define _HW__VERTEXBUFFER_H
#include "tarray.h"
#include "hwrenderer/data/buffers.h"
#include <atomic>
#include <mutex>
class FRenderState;
struct secplane_t;
struct subsector_t;
struct FFlatVertex
{
float x, z, y; // world position
float u, v; // texture coordinates
void Set(float xx, float zz, float yy, float uu, float vv)
{
x = xx;
z = zz;
y = yy;
u = uu;
v = vv;
}
};
class FFlatVertexBuffer
{
TArray<FFlatVertex> vbo_shadowdata;
TArray<uint32_t> ibo_data;
IVertexBuffer *mVertexBuffer;
IIndexBuffer *mIndexBuffer;
unsigned int mIndex;
std::atomic<unsigned int> mCurIndex;
unsigned int mNumReserved;
static const unsigned int BUFFER_SIZE = 2000000;
static const unsigned int BUFFER_SIZE_TO_USE = 1999500;
public:
enum
{
QUAD_INDEX = 0,
FULLSCREEN_INDEX = 4,
PRESENT_INDEX = 8,
STENCILTOP_INDEX = 12,
STENCILBOTTOM_INDEX = 16,
NUM_RESERVED = 20
};
FFlatVertexBuffer(int width, int height);
~FFlatVertexBuffer();
void OutputResized(int width, int height);
std::pair<IVertexBuffer *, IIndexBuffer *> GetBufferObjects() const
{
return std::make_pair(mVertexBuffer, mIndexBuffer);
}
void Copy(int start, int count);
FFlatVertex *GetBuffer(int index) const
{
FFlatVertex *ff = (FFlatVertex*)mVertexBuffer->Memory();
return &ff[index];
}
FFlatVertex *GetBuffer() const
{
return GetBuffer(mCurIndex);
}
std::pair<FFlatVertex *, unsigned int> AllocVertices(unsigned int count);
void Reset()
{
mCurIndex = mIndex;
}
void Map()
{
mVertexBuffer->Map();
}
void Unmap()
{
mVertexBuffer->Unmap();
}
};
#endif