mirror of https://github.com/ZDoom/raze-gles.git
84 lines
1.5 KiB
C++
84 lines
1.5 KiB
C++
#pragma once
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#include <stdlib.h>
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#include <algorithm>
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#include <vector>
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#include <map>
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#include "gl_samplers.h"
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#include "gl_hwtexture.h"
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class FSamplerManager;
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struct BaseVertex
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{
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float x, y, z;
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float u, v;
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void SetVertex(float _x, float _y, float _z = 0)
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{
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x = _x;
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y = _y;
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z = _z;
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}
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void SetTexCoord(float _u = 0, float _v = 0)
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{
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u = _u;
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v = _v;
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}
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void Set(float _x, float _y, float _z = 0, float _u = 0, float _v = 0)
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{
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x = _x;
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y = _y;
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z = _z;
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u = _u;
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v = _v;
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}
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};
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enum EDrawType
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{
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DT_TRIANGLES,
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DT_TRIANGLE_STRIP,
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DT_TRIANGLE_FAN,
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DT_QUADS,
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DT_LINES
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};
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class GLInstance
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{
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enum
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{
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MAX_TEXTURES = 15, // slot 15 is used internally and not available.
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THCACHESIZE = 200,
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};
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std::vector<BaseVertex> Buffer; // cheap-ass implementation. The primary purpose is to get the GL accesses out of polymost.cpp, not writing something performant right away.
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unsigned int LastBoundTextures[MAX_TEXTURES];
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unsigned TextureHandleCache[THCACHESIZE];
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int currentindex = THCACHESIZE;
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public:
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FSamplerManager *mSamplers;
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void Init();
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void Deinit();
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static int GetTexDimension(int value)
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{
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//if (value > gl.max_texturesize) return gl.max_texturesize;
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return value;
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}
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std::pair<size_t, BaseVertex *> AllocVertices(size_t num);
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void Draw(EDrawType type, size_t start, size_t count);
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int GetTextureID();
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FHardwareTexture* NewTexture();
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void BindTexture(int texunit, FHardwareTexture *texid, int sampler = NoSampler);
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void UnbindTexture(int texunit);
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void UnbindAllTextures();
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};
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extern GLInstance GLInterface; |