mirror of
https://github.com/ZDoom/raze-gles.git
synced 2024-12-30 21:31:03 +00:00
67b1963e7c
There are effectively two states - the one in the backend and a local one in the drawer for the render list which is supposed to eliminate some of the more costly repeated calls. This higher level state was cached globally, which did not work anymore because the real render state could be changed elsewhere without this code realizing it. All this means that the render list drawer must create a new state cache for each call and also must apply its current pending render state before leaving to ensure that everything is properly reset.
398 lines
8.2 KiB
C++
398 lines
8.2 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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#include "matrix.h"
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#include "palentry.h"
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#include "renderstyle.h"
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#include "hw_material.h"
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#include "hw_renderstate.h"
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#include "pm_renderstate.h"
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#include "templates.h"
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class FShader;
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class FGameTexture;
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class GLInstance;
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class F2DDrawer;
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struct palette_t;
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extern int xdim, ydim;
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enum
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{
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DM_MAINVIEW,
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DM_OFFSCREEN
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};
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class PaletteManager
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{
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OpenGLRenderer::FHardwareTexture* palettetextures[256] = {};
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OpenGLRenderer::FHardwareTexture* palswaptextures[256] = {};
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uint32_t lastindex = ~0u;
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uint32_t lastsindex = ~0u;
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GLInstance* const inst;
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//OpenGLRenderer::GLDataBuffer* palswapBuffer = nullptr;
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unsigned FindPalswap(const uint8_t* paldata, palette_t& fadecolor);
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public:
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PaletteManager(GLInstance *inst_) : inst(inst_)
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{}
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~PaletteManager();
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void DeleteAll();
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void BindPalette(int index);
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void BindPalswap(int index);
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};
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struct glinfo_t {
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float maxanisotropy;
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};
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enum ECullSide
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{
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Cull_Front,
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Cull_Back
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};
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enum EWinding
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{
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Winding_CCW,
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Winding_CW
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};
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struct ImDrawData;
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struct palette_t;
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enum
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{
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MAX_TEXTURES = 4, /*15*/ // slot 15 is used internally and not available. - The renderer uses only 5, though.
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};
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struct GLState
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{
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int Flags;
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int DepthFunc;
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};
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class GLInstance
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{
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public:
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TArray<PolymostRenderState> rendercommands;
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PaletteManager palmanager;
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int lastPalswapIndex = -1;
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OpenGLRenderer::FHardwareTexture* texv;
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FGameTexture* currentTexture = nullptr;
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int MatrixChange = 0;
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PolymostRenderState renderState;
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public:
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float mProjectionM5 = 1.0f; // needed by ssao
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glinfo_t glinfo;
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void Init(int y);
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void InitGLState(int fogmode, int multisample);
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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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GLInstance();
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void Draw(EDrawType type, size_t start, size_t count);
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void DoDraw();
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OpenGLRenderer::FHardwareTexture* NewTexture(int numchannels = 4);
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float GetProjectionM5() { return mProjectionM5; }
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int SetMatrix(int num, const VSMatrix *mat );
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int SetMatrix(int num, const float *mat)
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{
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return SetMatrix(num, reinterpret_cast<const VSMatrix*>(mat));
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}
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void SetIdentityMatrix(int num);
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void RestoreMatrix(int num, int index)
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{
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renderState.matrixIndex[num] = index;
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}
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void SetPalette(int palette);
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void SetTextureMode(int m)
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{
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renderState.TextureMode = m;
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}
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void SetDepthBias(float a, float b)
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{
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renderState.mBias.mFactor = a;
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renderState.mBias.mUnits = b;
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renderState.mBias.mChanged = true;
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}
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void ClearDepthBias()
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{
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renderState.mBias.mFactor = 0;
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renderState.mBias.mUnits = 0;
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renderState.mBias.mChanged = true;
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}
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void SetPalswap(int index);
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void SetShade(int32_t shade, int numshades)
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{
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renderState.Shade = clamp(shade, 0, numshades-1);
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}
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void SetVisibility(float visibility)
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{
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renderState.VisFactor = visibility;
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}
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void EnableBlend(bool on)
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{
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if (on) renderState.StateFlags |= STF_BLEND;
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else renderState.StateFlags &= ~STF_BLEND;
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}
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void EnableDepthTest(bool on)
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{
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if (on) renderState.StateFlags |= STF_DEPTHTEST;
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else renderState.StateFlags &= ~STF_DEPTHTEST;
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}
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void EnableMultisampling(bool on)
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{
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if (on) renderState.StateFlags |= STF_MULTISAMPLE;
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else renderState.StateFlags &= ~STF_MULTISAMPLE;
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}
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void EnableStencilWrite(int value)
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{
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renderState.StateFlags |= STF_STENCILWRITE;
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renderState.StateFlags &= ~STF_STENCILTEST;
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}
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void EnableStencilTest(int value)
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{
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renderState.StateFlags &= ~STF_STENCILWRITE;
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renderState.StateFlags |= STF_STENCILTEST;
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}
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void DisableStencil()
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{
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renderState.StateFlags &= ~(STF_STENCILWRITE | STF_STENCILTEST);
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}
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void SetCull(int type, int winding = Winding_CW)
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{
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renderState.StateFlags &= ~(STF_CULLCCW | STF_CULLCW);
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if (type != Cull_None)
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{
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if (winding == Winding_CW) renderState.StateFlags |= STF_CULLCW;
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else renderState.StateFlags |= STF_CULLCCW;
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}
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}
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void SetColorMask(bool on)
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{
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if (on) renderState.StateFlags |= STF_COLORMASK;
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else renderState.StateFlags &= ~STF_COLORMASK;
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}
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void SetDepthMask(bool on)
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{
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if (on) renderState.StateFlags |= STF_DEPTHMASK;
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else renderState.StateFlags &= ~STF_DEPTHMASK;
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}
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void ClearScreen(PalEntry pe, bool depth)
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{
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renderState.ClearColor = pe;
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renderState.StateFlags |= STF_CLEARCOLOR;
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if (depth) renderState.StateFlags |= STF_CLEARDEPTH;
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}
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void SetViewport(int x, int y, int w, int h)
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{
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renderState.vp_x = (short)x;
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renderState.vp_y = (short)y;
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renderState.vp_w = (short)w;
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renderState.vp_h = (short)h;
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renderState.StateFlags |= STF_VIEWPORTSET;
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}
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void SetScissor(int x1, int y1, int x2, int y2)
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{
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renderState.sc_x = (short)x1;
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renderState.sc_y = (short)y1;
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renderState.sc_w = (short)x2;
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renderState.sc_h = (short)y2;
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renderState.StateFlags |= STF_SCISSORSET;
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}
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void DisableScissor()
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{
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renderState.sc_x = SHRT_MIN;
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renderState.StateFlags |= STF_SCISSORSET;
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}
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void SetDepthFunc(int func)
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{
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renderState.DepthFunc = func;
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}
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void ClearScreen(PalEntry pe)
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{
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//twod->Clear();
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SetViewport(0, 0, xdim, ydim);
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ClearScreen(pe, true);
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}
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void ClearDepth()
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{
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renderState.StateFlags |= STF_CLEARDEPTH;
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}
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void SetRenderStyle(FRenderStyle style)
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{
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renderState.Style = style;
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}
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void SetColor(float r, float g, float b, float a = 1.f)
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{
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renderState.Color[0] = r;
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renderState.Color[1] = g;
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renderState.Color[2] = b;
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renderState.Color[3] = a;
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}
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void SetColorub(uint8_t r, uint8_t g, uint8_t b, uint8_t a = 255)
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{
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SetColor(r * (1 / 255.f), g * (1 / 255.f), b * (1 / 255.f), a * (1 / 255.f));
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}
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void SetMaterial(FMaterial* mat, int clampmode, int translation, int overrideshader)
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{
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assert(mat);
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renderState.mMaterial.mMaterial = mat;
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renderState.mMaterial.mClampMode = clampmode;
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renderState.mMaterial.mTranslation = translation;
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renderState.mMaterial.mOverrideShader = overrideshader;
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renderState.mMaterial.mChanged = true;
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//mTextureModeFlags = mat->GetLayerFlags();
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}
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void SetMaterial(FGameTexture* tex, EUpscaleFlags upscalemask, int scaleflags, int clampmode, int translation, int overrideshader)
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{
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assert(tex);
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if (shouldUpscale(tex, upscalemask)) scaleflags |= CTF_Upscale;
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SetMaterial(FMaterial::ValidateTexture(tex, scaleflags), clampmode, translation, overrideshader);
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}
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void UseColorOnly(bool yes)
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{
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if (yes) renderState.Flags |= RF_ColorOnly;
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else renderState.Flags &= ~RF_ColorOnly;
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}
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void SetNpotEmulation(float factor, float xOffset)
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{
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renderState.NPOTEmulation.Y = factor;
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renderState.NPOTEmulation.X = xOffset;
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}
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void SetShadeInterpolate(int32_t yes)
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{
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if (yes) renderState.Flags |= RF_ShadeInterpolate;
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else renderState.Flags &= ~RF_ShadeInterpolate;
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}
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void SetFadeColor(PalEntry color)
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{
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renderState.FogColor = color;
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};
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void SetFadeDisable(bool yes)
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{
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if (yes) renderState.Flags |= RF_FogDisabled;
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else renderState.Flags &= ~RF_FogDisabled;
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}
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// Hack...
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bool useMapFog = false;
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void SetMapFog(bool yes)
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{
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useMapFog = yes;
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}
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void applyMapFog()
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{
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if (useMapFog) renderState.Flags |= RF_MapFog;
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else renderState.Flags &= ~RF_MapFog;
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}
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void clearMapFog()
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{
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renderState.Flags &= ~RF_MapFog;
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}
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void SetTinting(int flags, PalEntry color, PalEntry overlayColor)
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{
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renderState.hictint = color;
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renderState.hictint_overlay = overlayColor;
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renderState.hictint_flags = flags;
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}
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void SetBasepalTint(PalEntry color)
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{
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renderState.fullscreenTint = color;
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}
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void EnableAlphaTest(bool on)
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{
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renderState.AlphaTest = on;
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}
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void SetAlphaThreshold(float al)
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{
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renderState.AlphaThreshold = al;
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}
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OpenGLRenderer::FHardwareTexture *LoadTexture(FTexture* tex, int texturetype, int palid);
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void SetPaletteTexture(OpenGLRenderer::FHardwareTexture* tex)
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{
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renderState.PaletteTexture = tex;
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}
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void SetLookupTexture(OpenGLRenderer::FHardwareTexture* tex)
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{
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renderState.LookupTexture = tex;
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}
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bool SetTexture(int globalpicnum, FGameTexture* tex, int palette, int sampleroverride);
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void RenderScene(FRenderState& state);
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void DrawScene(int drawmode);
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};
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extern GLInstance GLInterface;
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void renderSetProjectionMatrix(const float* p);
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void renderSetViewMatrix(const float* p);
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void renderSetVisibility(float v);
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void renderBeginScene();
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void renderFinishScene();
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void DrawRateStuff();
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