forked from Mirrors/openclonk
2128 lines
70 KiB
C++
2128 lines
70 KiB
C++
/*
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* OpenClonk, http://www.openclonk.org
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*
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* Copyright (c) 2002, 2005-2006, 2010 Sven Eberhardt
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* Copyright (c) 2005-2010 Günther Brammer
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* Copyright (c) 2007 Julian Raschke
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* Copyright (c) 2008 Matthes Bender
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* Copyright (c) 2009 Carl-Philip Hänsch
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* Copyright (c) 2009-2011 Armin Burgmeier
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* Copyright (c) 2009-2010 Nicolas Hake
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* Copyright (c) 2010 Benjamin Herr
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* Copyright (c) 2001-2009, RedWolf Design GmbH, http://www.clonk.de
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*
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* Portions might be copyrighted by other authors who have contributed
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* to OpenClonk.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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* See isc_license.txt for full license and disclaimer.
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*
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* "Clonk" is a registered trademark of Matthes Bender.
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* See clonk_trademark_license.txt for full license.
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*/
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/* OpenGL implementation of NewGfx */
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#include "C4Include.h"
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#include <StdGL.h>
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#include <C4Surface.h>
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#include <C4Window.h>
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#include "C4Rect.h"
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#include "StdMesh.h"
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#include "C4Config.h"
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#include "C4Application.h"
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#ifdef USE_GL
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// MSVC doesn't define M_PI in math.h unless requested
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#ifdef _MSC_VER
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#define _USE_MATH_DEFINES
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#endif /* _MSC_VER */
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#include <stdio.h>
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#include <math.h>
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#include <limits.h>
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static void glColorDw(DWORD dwClr)
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{
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glColor4ub(GLubyte(dwClr>>16), GLubyte(dwClr>>8), GLubyte(dwClr), GLubyte(dwClr>>24));
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}
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// GLubyte (&r)[4] is a reference to an array of four bytes named r.
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static void DwTo4UB(DWORD dwClr, GLubyte (&r)[4])
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{
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//unsigned char r[4];
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r[0] = GLubyte(dwClr>>16);
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r[1] = GLubyte(dwClr>>8);
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r[2] = GLubyte(dwClr);
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r[3] = GLubyte(dwClr>>24);
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}
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CStdGL::CStdGL():
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pMainCtx(0)
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{
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Default();
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byByteCnt=4;
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// global ptr
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pGL = this;
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shaders[0] = 0;
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vbo = 0;
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lines_tex = 0;
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}
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CStdGL::~CStdGL()
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{
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Clear();
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pGL=NULL;
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}
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void CStdGL::Clear()
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{
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NoPrimaryClipper();
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//if (pTexMgr) pTexMgr->IntUnlock(); // cannot do this here or we can't preserve textures across GL reinitialization as required when changing multisampling
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InvalidateDeviceObjects();
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NoPrimaryClipper();
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RenderTarget = NULL;
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// clear context
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if (pCurrCtx) pCurrCtx->Deselect();
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pMainCtx=0;
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C4Draw::Clear();
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}
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void CStdGL::FillBG(DWORD dwClr)
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{
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if (!pCurrCtx) return;
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glClearColor((float)GetRedValue(dwClr)/255.0f, (float)GetGreenValue(dwClr)/255.0f, (float)GetBlueValue(dwClr)/255.0f, 0.0f);
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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}
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bool CStdGL::UpdateClipper()
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{
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// no render target? do nothing
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if (!RenderTarget || !Active) return true;
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// negative/zero?
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int iWdt=Min(iClipX2, RenderTarget->Wdt-1)-iClipX1+1;
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int iHgt=Min(iClipY2, RenderTarget->Hgt-1)-iClipY1+1;
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int iX=iClipX1; if (iX<0) { iWdt+=iX; iX=0; }
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int iY=iClipY1; if (iY<0) { iHgt+=iY; iY=0; }
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if (iWdt<=0 || iHgt<=0)
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{
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ClipAll=true;
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return true;
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}
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ClipAll=false;
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// set it
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glViewport(iX, RenderTarget->Hgt-iY-iHgt, iWdt, iHgt);
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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// Set clipping plane to -1000 and 1000 so that large meshes are not
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// clipped away.
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//glOrtho((GLdouble) iX, (GLdouble) (iX+iWdt), (GLdouble) (iY+iHgt), (GLdouble) iY, -1000.0f, 1000.0f);
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gluOrtho2D((GLdouble) iX, (GLdouble) (iX+iWdt), (GLdouble) (iY+iHgt), (GLdouble) iY);
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//gluOrtho2D((GLdouble) 0, (GLdouble) xRes, (GLdouble) yRes, (GLdouble) yRes-iHgt);
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return true;
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}
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bool CStdGL::PrepareMaterial(StdMeshMaterial& mat)
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{
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// select context, if not already done
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if (!pCurrCtx) return false;
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for (unsigned int i = 0; i < mat.Techniques.size(); ++i)
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{
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StdMeshMaterialTechnique& technique = mat.Techniques[i];
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technique.Available = true;
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for (unsigned int j = 0; j < technique.Passes.size(); ++j)
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{
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StdMeshMaterialPass& pass = technique.Passes[j];
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GLint max_texture_units;
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glGetIntegerv(GL_MAX_TEXTURE_UNITS, &max_texture_units);
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assert(max_texture_units >= 1);
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if (pass.TextureUnits.size() > static_cast<unsigned int>(max_texture_units-1)) // One texture is reserved for clrmodmap as soon as we apply clrmodmap with a shader for meshes
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technique.Available = false;
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for (unsigned int k = 0; k < pass.TextureUnits.size(); ++k)
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{
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StdMeshMaterialTextureUnit& texunit = pass.TextureUnits[k];
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for (unsigned int l = 0; l < texunit.GetNumTextures(); ++l)
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{
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const C4TexRef& texture = texunit.GetTexture(l);
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glBindTexture(GL_TEXTURE_2D, texture.texName);
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switch (texunit.TexAddressMode)
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{
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case StdMeshMaterialTextureUnit::AM_Wrap:
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
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break;
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case StdMeshMaterialTextureUnit::AM_Border:
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glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_BORDER_COLOR, texunit.TexBorderColor);
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// fallthrough
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case StdMeshMaterialTextureUnit::AM_Clamp:
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
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break;
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case StdMeshMaterialTextureUnit::AM_Mirror:
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_MIRRORED_REPEAT);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_MIRRORED_REPEAT);
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break;
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}
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if (texunit.Filtering[2] == StdMeshMaterialTextureUnit::F_Point ||
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texunit.Filtering[2] == StdMeshMaterialTextureUnit::F_Linear)
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{
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// If mipmapping is enabled, then autogenerate mipmap data.
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// In OGRE this is deactivated for several OS/graphics card
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// combinations because of known bugs...
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// This does work for me, but requires re-upload of texture data...
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// so the proper way would be to set this prior to the initial
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// upload, which would be the same place where we could also use
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// gluBuild2DMipmaps. GL_GENERATE_MIPMAP is probably still more
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// efficient though.
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// Disabled for now, until we find a better place for this (C4TexRef?)
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#if 0
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if (GLEW_VERSION_1_4)
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{ glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP, GL_TRUE); const_cast<C4TexRef*>(&texunit.GetTexture())->Lock(); const_cast<C4TexRef*>(&texunit.GetTexture())->Unlock(); }
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else
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technique.Available = false;
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#else
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// Disable mipmap for now as a workaround.
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texunit.Filtering[2] = StdMeshMaterialTextureUnit::F_None;
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#endif
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}
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switch (texunit.Filtering[0]) // min
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{
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case StdMeshMaterialTextureUnit::F_None:
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technique.Available = false;
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break;
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case StdMeshMaterialTextureUnit::F_Point:
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switch (texunit.Filtering[2]) // mip
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{
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case StdMeshMaterialTextureUnit::F_None:
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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break;
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case StdMeshMaterialTextureUnit::F_Point:
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_NEAREST);
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break;
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case StdMeshMaterialTextureUnit::F_Linear:
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_LINEAR);
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break;
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case StdMeshMaterialTextureUnit::F_Anisotropic:
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technique.Available = false; // invalid
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break;
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}
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break;
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case StdMeshMaterialTextureUnit::F_Linear:
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switch (texunit.Filtering[2]) // mip
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{
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case StdMeshMaterialTextureUnit::F_None:
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
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break;
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case StdMeshMaterialTextureUnit::F_Point:
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST);
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break;
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case StdMeshMaterialTextureUnit::F_Linear:
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
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break;
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case StdMeshMaterialTextureUnit::F_Anisotropic:
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technique.Available = false; // invalid
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break;
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}
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break;
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case StdMeshMaterialTextureUnit::F_Anisotropic:
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// unsupported
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technique.Available = false;
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break;
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}
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switch (texunit.Filtering[1]) // max
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{
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case StdMeshMaterialTextureUnit::F_None:
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technique.Available = false; // invalid
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break;
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case StdMeshMaterialTextureUnit::F_Point:
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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break;
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case StdMeshMaterialTextureUnit::F_Linear:
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
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break;
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case StdMeshMaterialTextureUnit::F_Anisotropic:
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// unsupported
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technique.Available = false;
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break;
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}
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for (unsigned int m = 0; m < texunit.Transformations.size(); ++m)
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{
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StdMeshMaterialTextureUnit::Transformation& trans = texunit.Transformations[m];
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if (trans.TransformType == StdMeshMaterialTextureUnit::Transformation::T_TRANSFORM)
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{
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// transpose so we can directly pass it to glMultMatrixf
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std::swap(trans.Transform.M[ 1], trans.Transform.M[ 4]);
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std::swap(trans.Transform.M[ 2], trans.Transform.M[ 8]);
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std::swap(trans.Transform.M[ 3], trans.Transform.M[12]);
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std::swap(trans.Transform.M[ 6], trans.Transform.M[ 9]);
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std::swap(trans.Transform.M[ 7], trans.Transform.M[13]);
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std::swap(trans.Transform.M[11], trans.Transform.M[14]);
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}
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}
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} // loop over textures
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// Check blending: Can only have one manual source color
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unsigned int manu_count = 0;
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if (texunit.ColorOpEx == StdMeshMaterialTextureUnit::BOX_AddSmooth || texunit.ColorOpEx == StdMeshMaterialTextureUnit::BOX_BlendManual)
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++manu_count;
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if (texunit.ColorOpSources[0] == StdMeshMaterialTextureUnit::BOS_PlayerColor || texunit.ColorOpSources[0] == StdMeshMaterialTextureUnit::BOS_Manual)
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++manu_count;
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if (texunit.ColorOpSources[1] == StdMeshMaterialTextureUnit::BOS_PlayerColor || texunit.ColorOpSources[1] == StdMeshMaterialTextureUnit::BOS_Manual)
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++manu_count;
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if (manu_count > 1)
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technique.Available = false;
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manu_count = 0;
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if (texunit.ColorOpEx == StdMeshMaterialTextureUnit::BOX_AddSmooth || texunit.AlphaOpEx == StdMeshMaterialTextureUnit::BOX_BlendManual)
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++manu_count;
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if (texunit.AlphaOpSources[0] == StdMeshMaterialTextureUnit::BOS_PlayerColor || texunit.AlphaOpSources[0] == StdMeshMaterialTextureUnit::BOS_Manual)
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++manu_count;
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if (texunit.AlphaOpSources[1] == StdMeshMaterialTextureUnit::BOS_PlayerColor || texunit.AlphaOpSources[1] == StdMeshMaterialTextureUnit::BOS_Manual)
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++manu_count;
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if (manu_count > 1)
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technique.Available = false;
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}
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}
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if (technique.Available && mat.BestTechniqueIndex == -1)
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mat.BestTechniqueIndex = i;
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}
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return mat.BestTechniqueIndex != -1;
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}
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bool CStdGL::PrepareRendering(C4Surface * sfcToSurface)
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{
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// call from gfx thread only!
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if (!pApp || !pApp->AssertMainThread()) return false;
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// not ready?
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if (!Active)
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//if (!RestoreDeviceObjects())
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return false;
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// target?
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if (!sfcToSurface) return false;
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// target locked?
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if (sfcToSurface->Locked) return false;
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// target is already set as render target?
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if (sfcToSurface != RenderTarget)
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{
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// target is a render-target?
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if (!sfcToSurface->IsRenderTarget()) return false;
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// context
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if (sfcToSurface->pCtx && sfcToSurface->pCtx != pCurrCtx)
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if (!sfcToSurface->pCtx->Select()) return false;
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// set target
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RenderTarget=sfcToSurface;
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// new target has different size; needs other clipping rect
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UpdateClipper();
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}
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// done
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return true;
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}
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void CStdGL::SetupTextureEnv(bool fMod2, bool landscape)
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{
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if (shaders[0])
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{
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GLuint s = landscape ? 2 : (fMod2 ? 1 : 0);
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if (Saturation < 255)
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{
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s += 3;
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}
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if (fUseClrModMap)
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{
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s += 6;
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}
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glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, shaders[s]);
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if (Saturation < 255)
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{
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GLfloat bla[4] = { Saturation / 255.0f, Saturation / 255.0f, Saturation / 255.0f, 1.0f };
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glProgramLocalParameter4fvARB(GL_FRAGMENT_PROGRAM_ARB, 0, bla);
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}
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}
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// texture environment
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else
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{
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glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE);
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glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB, fMod2 ? GL_ADD_SIGNED : GL_MODULATE);
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glTexEnvf(GL_TEXTURE_ENV, GL_RGB_SCALE, fMod2 ? 2.0f : 1.0f);
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glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA, GL_MODULATE);
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glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB, GL_TEXTURE);
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glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB, GL_PRIMARY_COLOR);
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glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA, GL_TEXTURE);
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glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_ALPHA, GL_PRIMARY_COLOR);
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glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB, GL_SRC_COLOR);
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glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB, GL_SRC_COLOR);
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glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA, GL_SRC_ALPHA);
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glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_ALPHA, GL_SRC_ALPHA);
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}
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// set modes
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glShadeModel((fUseClrModMap && !shaders[0]) ? GL_SMOOTH : GL_FLAT);
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}
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void CStdGL::PerformBlt(C4BltData &rBltData, C4TexRef *pTex, DWORD dwModClr, bool fMod2, bool fExact)
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{
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// global modulation map
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int i;
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bool fAnyModNotBlack = (dwModClr != 0xff000000);
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if (!shaders[0] && fUseClrModMap && dwModClr != 0xff000000)
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{
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fAnyModNotBlack = false;
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for (i=0; i<rBltData.byNumVertices; ++i)
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{
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float x = rBltData.vtVtx[i].ftx;
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float y = rBltData.vtVtx[i].fty;
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if (rBltData.pTransform)
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{
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rBltData.pTransform->TransformPoint(x,y);
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}
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DWORD c = pClrModMap->GetModAt(int(x), int(y));
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ModulateClr(c, dwModClr);
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if (c != 0xff000000) fAnyModNotBlack = true;
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DwTo4UB(c, rBltData.vtVtx[i].color);
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}
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}
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else
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{
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for (i=0; i<rBltData.byNumVertices; ++i)
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DwTo4UB(dwModClr, rBltData.vtVtx[i].color);
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}
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// reset MOD2 for completely black modulations
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fMod2 = fMod2 && fAnyModNotBlack;
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SetupTextureEnv(fMod2, false);
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glBindTexture(GL_TEXTURE_2D, pTex->texName);
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if (!fExact)
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{
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
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}
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glMatrixMode(GL_TEXTURE);
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/*float matrix[16];
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matrix[0]=rBltData.TexPos.mat[0]; matrix[1]=rBltData.TexPos.mat[3]; matrix[2]=0; matrix[3]=rBltData.TexPos.mat[6];
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matrix[4]=rBltData.TexPos.mat[1]; matrix[5]=rBltData.TexPos.mat[4]; matrix[6]=0; matrix[7]=rBltData.TexPos.mat[7];
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matrix[8]=0; matrix[9]=0; matrix[10]=1; matrix[11]=0;
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matrix[12]=rBltData.TexPos.mat[2]; matrix[13]=rBltData.TexPos.mat[5]; matrix[14]=0; matrix[15]=rBltData.TexPos.mat[8];
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glLoadMatrixf(matrix);*/
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glLoadIdentity();
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if (shaders[0] && fUseClrModMap)
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{
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glActiveTexture(GL_TEXTURE3);
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glLoadIdentity();
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C4Surface * pSurface = pClrModMap->GetSurface();
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glScalef(1.0f/(pClrModMap->GetResolutionX()*(*pSurface->ppTex)->iSizeX), 1.0f/(pClrModMap->GetResolutionY()*(*pSurface->ppTex)->iSizeY), 1.0f);
|
|
glTranslatef(float(-pClrModMap->OffX), float(-pClrModMap->OffY), 0.0f);
|
|
}
|
|
if (rBltData.pTransform)
|
|
{
|
|
const float * mat = rBltData.pTransform->mat;
|
|
float matrix[16];
|
|
matrix[0]=mat[0]; matrix[1]=mat[3]; matrix[2]=0; matrix[3]=mat[6];
|
|
matrix[4]=mat[1]; matrix[5]=mat[4]; matrix[6]=0; matrix[7]=mat[7];
|
|
matrix[8]=0; matrix[9]=0; matrix[10]=1; matrix[11]=0;
|
|
matrix[12]=mat[2]; matrix[13]=mat[5]; matrix[14]=0; matrix[15]=mat[8];
|
|
if (shaders[0] && fUseClrModMap)
|
|
{
|
|
glMultMatrixf(matrix);
|
|
}
|
|
glActiveTexture(GL_TEXTURE0);
|
|
glMatrixMode(GL_MODELVIEW);
|
|
glLoadMatrixf(matrix);
|
|
}
|
|
else
|
|
{
|
|
glActiveTexture(GL_TEXTURE0);
|
|
glMatrixMode(GL_MODELVIEW);
|
|
glLoadIdentity();
|
|
}
|
|
|
|
// draw polygon
|
|
for (i=0; i<rBltData.byNumVertices; ++i)
|
|
{
|
|
//rBltData.vtVtx[i].tx = rBltData.vtVtx[i].ftx;
|
|
//rBltData.vtVtx[i].ty = rBltData.vtVtx[i].fty;
|
|
//if (rBltData.pTransform) rBltData.pTransform->TransformPoint(rBltData.vtVtx[i].ftx, rBltData.vtVtx[i].fty);
|
|
rBltData.vtVtx[i].ftz = 0;
|
|
}
|
|
if (vbo)
|
|
{
|
|
glBufferDataARB(GL_ARRAY_BUFFER_ARB, rBltData.byNumVertices*sizeof(C4BltVertex), rBltData.vtVtx, GL_STREAM_DRAW_ARB);
|
|
glInterleavedArrays(GL_T2F_C4UB_V3F, sizeof(C4BltVertex), 0);
|
|
}
|
|
else
|
|
{
|
|
glInterleavedArrays(GL_T2F_C4UB_V3F, sizeof(C4BltVertex), rBltData.vtVtx);
|
|
}
|
|
if (shaders[0] && fUseClrModMap)
|
|
{
|
|
glClientActiveTexture(GL_TEXTURE3);
|
|
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
|
|
glTexCoordPointer(2, GL_FLOAT, sizeof(C4BltVertex), &rBltData.vtVtx[0].ftx);
|
|
glClientActiveTexture(GL_TEXTURE0);
|
|
}
|
|
glDrawArrays(GL_POLYGON, 0, rBltData.byNumVertices);
|
|
if(shaders[0] && fUseClrModMap)
|
|
{
|
|
glClientActiveTexture(GL_TEXTURE3);
|
|
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
|
|
glClientActiveTexture(GL_TEXTURE0);
|
|
}
|
|
glLoadIdentity();
|
|
if (!fExact)
|
|
{
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
|
|
}
|
|
}
|
|
|
|
namespace
|
|
{
|
|
inline void SetTexCombine(GLenum combine, StdMeshMaterialTextureUnit::BlendOpExType blendop)
|
|
{
|
|
switch (blendop)
|
|
{
|
|
case StdMeshMaterialTextureUnit::BOX_Source1:
|
|
case StdMeshMaterialTextureUnit::BOX_Source2:
|
|
glTexEnvi(GL_TEXTURE_ENV, combine, GL_REPLACE);
|
|
break;
|
|
case StdMeshMaterialTextureUnit::BOX_Modulate:
|
|
case StdMeshMaterialTextureUnit::BOX_ModulateX2:
|
|
case StdMeshMaterialTextureUnit::BOX_ModulateX4:
|
|
glTexEnvi(GL_TEXTURE_ENV, combine, GL_MODULATE);
|
|
break;
|
|
case StdMeshMaterialTextureUnit::BOX_Add:
|
|
glTexEnvi(GL_TEXTURE_ENV, combine, GL_ADD);
|
|
break;
|
|
case StdMeshMaterialTextureUnit::BOX_AddSigned:
|
|
glTexEnvi(GL_TEXTURE_ENV, combine, GL_ADD_SIGNED);
|
|
break;
|
|
case StdMeshMaterialTextureUnit::BOX_AddSmooth:
|
|
// b+c-b*c == a*c + b*(1-c) for a==1.
|
|
glTexEnvi(GL_TEXTURE_ENV, combine, GL_INTERPOLATE);
|
|
break;
|
|
case StdMeshMaterialTextureUnit::BOX_Subtract:
|
|
glTexEnvi(GL_TEXTURE_ENV, combine, GL_SUBTRACT);
|
|
break;
|
|
case StdMeshMaterialTextureUnit::BOX_BlendDiffuseAlpha:
|
|
case StdMeshMaterialTextureUnit::BOX_BlendTextureAlpha:
|
|
case StdMeshMaterialTextureUnit::BOX_BlendCurrentAlpha:
|
|
case StdMeshMaterialTextureUnit::BOX_BlendManual:
|
|
glTexEnvi(GL_TEXTURE_ENV, combine, GL_INTERPOLATE);
|
|
break;
|
|
case StdMeshMaterialTextureUnit::BOX_Dotproduct:
|
|
glTexEnvi(GL_TEXTURE_ENV, combine, GL_DOT3_RGB);
|
|
break;
|
|
case StdMeshMaterialTextureUnit::BOX_BlendDiffuseColor:
|
|
glTexEnvi(GL_TEXTURE_ENV, combine, GL_INTERPOLATE);
|
|
break;
|
|
}
|
|
}
|
|
|
|
inline void SetTexScale(GLenum scale, StdMeshMaterialTextureUnit::BlendOpExType blendop)
|
|
{
|
|
switch (blendop)
|
|
{
|
|
case StdMeshMaterialTextureUnit::BOX_Source1:
|
|
case StdMeshMaterialTextureUnit::BOX_Source2:
|
|
case StdMeshMaterialTextureUnit::BOX_Modulate:
|
|
glTexEnvf(GL_TEXTURE_ENV, scale, 1.0f);
|
|
break;
|
|
case StdMeshMaterialTextureUnit::BOX_ModulateX2:
|
|
glTexEnvf(GL_TEXTURE_ENV, scale, 2.0f);
|
|
break;
|
|
case StdMeshMaterialTextureUnit::BOX_ModulateX4:
|
|
glTexEnvf(GL_TEXTURE_ENV, scale, 4.0f);
|
|
break;
|
|
case StdMeshMaterialTextureUnit::BOX_Add:
|
|
case StdMeshMaterialTextureUnit::BOX_AddSigned:
|
|
case StdMeshMaterialTextureUnit::BOX_AddSmooth:
|
|
case StdMeshMaterialTextureUnit::BOX_Subtract:
|
|
case StdMeshMaterialTextureUnit::BOX_BlendDiffuseAlpha:
|
|
case StdMeshMaterialTextureUnit::BOX_BlendTextureAlpha:
|
|
case StdMeshMaterialTextureUnit::BOX_BlendCurrentAlpha:
|
|
case StdMeshMaterialTextureUnit::BOX_BlendManual:
|
|
case StdMeshMaterialTextureUnit::BOX_Dotproduct:
|
|
case StdMeshMaterialTextureUnit::BOX_BlendDiffuseColor:
|
|
glTexEnvf(GL_TEXTURE_ENV, scale, 1.0f);
|
|
break;
|
|
}
|
|
}
|
|
|
|
inline void SetTexSource(GLenum source, StdMeshMaterialTextureUnit::BlendOpSourceType blendsource)
|
|
{
|
|
switch (blendsource)
|
|
{
|
|
case StdMeshMaterialTextureUnit::BOS_Current:
|
|
glTexEnvi(GL_TEXTURE_ENV, source, GL_PREVIOUS);
|
|
break;
|
|
case StdMeshMaterialTextureUnit::BOS_Texture:
|
|
glTexEnvi(GL_TEXTURE_ENV, source, GL_TEXTURE);
|
|
break;
|
|
case StdMeshMaterialTextureUnit::BOS_Diffuse:
|
|
case StdMeshMaterialTextureUnit::BOS_Specular:
|
|
glTexEnvi(GL_TEXTURE_ENV, source, GL_PRIMARY_COLOR);
|
|
break;
|
|
case StdMeshMaterialTextureUnit::BOS_PlayerColor:
|
|
glTexEnvi(GL_TEXTURE_ENV, source, GL_CONSTANT);
|
|
break;
|
|
case StdMeshMaterialTextureUnit::BOS_Manual:
|
|
glTexEnvi(GL_TEXTURE_ENV, source, GL_CONSTANT);
|
|
break;
|
|
}
|
|
}
|
|
|
|
inline void SetTexSource2(GLenum source, StdMeshMaterialTextureUnit::BlendOpExType blendop)
|
|
{
|
|
// Set Arg2 for interpolate (Arg0 for BOX_Add_Smooth)
|
|
switch (blendop)
|
|
{
|
|
case StdMeshMaterialTextureUnit::BOX_AddSmooth:
|
|
glTexEnvi(GL_TEXTURE_ENV, source, GL_CONSTANT); // 1.0, Set in SetTexColor
|
|
break;
|
|
case StdMeshMaterialTextureUnit::BOX_BlendDiffuseAlpha:
|
|
glTexEnvi(GL_TEXTURE_ENV, source, GL_PRIMARY_COLOR);
|
|
break;
|
|
case StdMeshMaterialTextureUnit::BOX_BlendTextureAlpha:
|
|
glTexEnvi(GL_TEXTURE_ENV, source, GL_TEXTURE);
|
|
break;
|
|
case StdMeshMaterialTextureUnit::BOX_BlendCurrentAlpha:
|
|
glTexEnvi(GL_TEXTURE_ENV, source, GL_PREVIOUS);
|
|
break;
|
|
case StdMeshMaterialTextureUnit::BOX_BlendManual:
|
|
glTexEnvi(GL_TEXTURE_ENV, source, GL_CONSTANT); // Set in SetTexColor
|
|
break;
|
|
case StdMeshMaterialTextureUnit::BOX_BlendDiffuseColor:
|
|
// difference to BOX_Blend_Diffuse_Alpha is operand, see SetTexOperand2
|
|
glTexEnvi(GL_TEXTURE_ENV, source, GL_PRIMARY_COLOR);
|
|
break;
|
|
default:
|
|
// TODO
|
|
break;
|
|
}
|
|
}
|
|
|
|
inline void SetTexOperand2(GLenum operand, StdMeshMaterialTextureUnit::BlendOpExType blendop)
|
|
{
|
|
switch (blendop)
|
|
{
|
|
case StdMeshMaterialTextureUnit::BOX_Add:
|
|
case StdMeshMaterialTextureUnit::BOX_AddSigned:
|
|
case StdMeshMaterialTextureUnit::BOX_AddSmooth:
|
|
case StdMeshMaterialTextureUnit::BOX_Subtract:
|
|
glTexEnvi(GL_TEXTURE_ENV, operand, GL_SRC_COLOR);
|
|
break;
|
|
case StdMeshMaterialTextureUnit::BOX_BlendDiffuseAlpha:
|
|
case StdMeshMaterialTextureUnit::BOX_BlendTextureAlpha:
|
|
case StdMeshMaterialTextureUnit::BOX_BlendCurrentAlpha:
|
|
case StdMeshMaterialTextureUnit::BOX_BlendManual:
|
|
glTexEnvi(GL_TEXTURE_ENV, operand, GL_SRC_ALPHA);
|
|
break;
|
|
case StdMeshMaterialTextureUnit::BOX_Dotproduct:
|
|
case StdMeshMaterialTextureUnit::BOX_BlendDiffuseColor:
|
|
glTexEnvi(GL_TEXTURE_ENV, operand, GL_SRC_COLOR);
|
|
break;
|
|
default:
|
|
// TODO
|
|
break;
|
|
}
|
|
}
|
|
|
|
inline void SetTexColor(const StdMeshMaterialTextureUnit& texunit, DWORD PlayerColor)
|
|
{
|
|
float Color[4] = { 0.0f, 0.0f, 0.0f, 0.0f };
|
|
|
|
if (texunit.ColorOpEx == StdMeshMaterialTextureUnit::BOX_AddSmooth)
|
|
{
|
|
Color[0] = Color[1] = Color[2] = 1.0f;
|
|
}
|
|
else if (texunit.ColorOpEx == StdMeshMaterialTextureUnit::BOX_BlendManual)
|
|
{
|
|
// operand of GL_CONSTANT is set to alpha for this blend mode
|
|
// see SetTexOperand2
|
|
Color[3] = texunit.ColorOpManualFactor;
|
|
}
|
|
else if (texunit.ColorOpSources[0] == StdMeshMaterialTextureUnit::BOS_PlayerColor || texunit.ColorOpSources[1] == StdMeshMaterialTextureUnit::BOS_PlayerColor)
|
|
{
|
|
Color[0] = ((PlayerColor >> 16) & 0xff) / 255.0f;
|
|
Color[1] = ((PlayerColor >> 8) & 0xff) / 255.0f;
|
|
Color[2] = ((PlayerColor ) & 0xff) / 255.0f;
|
|
}
|
|
else if (texunit.ColorOpSources[0] == StdMeshMaterialTextureUnit::BOS_Manual)
|
|
{
|
|
Color[0] = texunit.ColorOpManualColor1[0];
|
|
Color[1] = texunit.ColorOpManualColor1[1];
|
|
Color[2] = texunit.ColorOpManualColor1[2];
|
|
}
|
|
else if (texunit.ColorOpSources[1] == StdMeshMaterialTextureUnit::BOS_Manual)
|
|
{
|
|
Color[0] = texunit.ColorOpManualColor2[0];
|
|
Color[1] = texunit.ColorOpManualColor2[1];
|
|
Color[2] = texunit.ColorOpManualColor2[2];
|
|
}
|
|
|
|
if (texunit.AlphaOpEx == StdMeshMaterialTextureUnit::BOX_AddSmooth)
|
|
Color[3] = 1.0f;
|
|
else if (texunit.AlphaOpEx == StdMeshMaterialTextureUnit::BOX_BlendManual)
|
|
Color[3] = texunit.AlphaOpManualFactor;
|
|
else if (texunit.AlphaOpSources[0] == StdMeshMaterialTextureUnit::BOS_PlayerColor || texunit.AlphaOpSources[1] == StdMeshMaterialTextureUnit::BOS_PlayerColor)
|
|
Color[3] = ((PlayerColor >> 24) & 0xff) / 255.0f;
|
|
else if (texunit.AlphaOpSources[0] == StdMeshMaterialTextureUnit::BOS_Manual)
|
|
Color[3] = texunit.AlphaOpManualAlpha1;
|
|
else if (texunit.AlphaOpSources[1] == StdMeshMaterialTextureUnit::BOS_Manual)
|
|
Color[3] = texunit.AlphaOpManualAlpha2;
|
|
|
|
glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR, Color);
|
|
}
|
|
|
|
inline GLenum OgreBlendTypeToGL(StdMeshMaterialPass::SceneBlendType blend)
|
|
{
|
|
switch(blend)
|
|
{
|
|
case StdMeshMaterialPass::SB_One: return GL_ONE;
|
|
case StdMeshMaterialPass::SB_Zero: return GL_ZERO;
|
|
case StdMeshMaterialPass::SB_DestColor: return GL_DST_COLOR;
|
|
case StdMeshMaterialPass::SB_SrcColor: return GL_SRC_COLOR;
|
|
case StdMeshMaterialPass::SB_OneMinusDestColor: return GL_ONE_MINUS_DST_COLOR;
|
|
case StdMeshMaterialPass::SB_OneMinusSrcColor: return GL_ONE_MINUS_SRC_COLOR;
|
|
case StdMeshMaterialPass::SB_DestAlpha: return GL_DST_ALPHA;
|
|
case StdMeshMaterialPass::SB_SrcAlpha: return GL_SRC_ALPHA;
|
|
case StdMeshMaterialPass::SB_OneMinusDestAlpha: return GL_ONE_MINUS_DST_ALPHA;
|
|
case StdMeshMaterialPass::SB_OneMinusSrcAlpha: return GL_ONE_MINUS_SRC_ALPHA;
|
|
default: assert(false); return GL_ZERO;
|
|
}
|
|
}
|
|
|
|
void RenderSubMeshImpl(const StdMeshInstance& mesh_instance, const StdSubMeshInstance& instance, DWORD dwModClr, DWORD dwBlitMode, DWORD dwPlayerColor, bool parity)
|
|
{
|
|
const StdMeshMaterial& material = instance.GetMaterial();
|
|
assert(material.BestTechniqueIndex != -1);
|
|
const StdMeshMaterialTechnique& technique = material.Techniques[material.BestTechniqueIndex];
|
|
const StdMeshVertex* vertices = instance.GetVertices().empty() ? &mesh_instance.GetSharedVertices()[0] : &instance.GetVertices()[0];
|
|
|
|
// Render each pass
|
|
for (unsigned int i = 0; i < technique.Passes.size(); ++i)
|
|
{
|
|
const StdMeshMaterialPass& pass = technique.Passes[i];
|
|
|
|
glDepthMask(pass.DepthWrite ? GL_TRUE : GL_FALSE);
|
|
|
|
if(pass.AlphaToCoverage)
|
|
glEnable(GL_SAMPLE_ALPHA_TO_COVERAGE);
|
|
else
|
|
glDisable(GL_SAMPLE_ALPHA_TO_COVERAGE);
|
|
|
|
// Apply ClrMod to material
|
|
// TODO: ClrModMap is not taken into account by this; we should just check
|
|
// mesh center.
|
|
// TODO: Or in case we have shaders enabled use the shader... note the
|
|
// clrmodmap texture needs to be the last texture in that case... we should
|
|
// change the index to maxtextures-1 instead of 3.
|
|
|
|
const float dwMod[4] = {
|
|
((dwModClr >> 16) & 0xff) / 255.0f,
|
|
((dwModClr >> 8) & 0xff) / 255.0f,
|
|
((dwModClr ) & 0xff) / 255.0f,
|
|
((dwModClr >> 24) & 0xff) / 255.0f
|
|
};
|
|
|
|
if(!(dwBlitMode & C4GFXBLIT_MOD2) && dwModClr == 0xffffffff)
|
|
{
|
|
// Fastpath for the easy case
|
|
glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, pass.Ambient);
|
|
glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, pass.Diffuse);
|
|
glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, pass.Specular);
|
|
glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, pass.Emissive);
|
|
glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, pass.Shininess);
|
|
}
|
|
else
|
|
{
|
|
float Ambient[4], Diffuse[4], Specular[4], Emissive[4];
|
|
|
|
// TODO: We could also consider applying dwmod using an additional
|
|
// texture unit, maybe we can even re-use the one which is reserved for
|
|
// the clrmodmap texture anyway (+adapt the shader).
|
|
if(!(dwBlitMode & C4GFXBLIT_MOD2))
|
|
{
|
|
Ambient[0] = pass.Ambient[0] * dwMod[0];
|
|
Ambient[1] = pass.Ambient[1] * dwMod[1];
|
|
Ambient[2] = pass.Ambient[2] * dwMod[2];
|
|
Ambient[3] = pass.Ambient[3] * dwMod[3];
|
|
|
|
Diffuse[0] = pass.Diffuse[0] * dwMod[0];
|
|
Diffuse[1] = pass.Diffuse[1] * dwMod[1];
|
|
Diffuse[2] = pass.Diffuse[2] * dwMod[2];
|
|
Diffuse[3] = pass.Diffuse[3] * dwMod[3];
|
|
|
|
Specular[0] = pass.Specular[0] * dwMod[0];
|
|
Specular[1] = pass.Specular[1] * dwMod[1];
|
|
Specular[2] = pass.Specular[2] * dwMod[2];
|
|
Specular[3] = pass.Specular[3] * dwMod[3];
|
|
|
|
Emissive[0] = pass.Emissive[0] * dwMod[0];
|
|
Emissive[1] = pass.Emissive[1] * dwMod[1];
|
|
Emissive[2] = pass.Emissive[2] * dwMod[2];
|
|
Emissive[3] = pass.Emissive[3] * dwMod[3];
|
|
}
|
|
else
|
|
{
|
|
// The RGB part for fMod2 drawing is set in the texture unit,
|
|
// since its effect cannot be achieved properly by playing with
|
|
// the material color.
|
|
// TODO: This should go into an additional texture unit.
|
|
Ambient[0] = pass.Ambient[0];
|
|
Ambient[1] = pass.Ambient[1];
|
|
Ambient[2] = pass.Ambient[2];
|
|
Ambient[3] = pass.Ambient[3];
|
|
|
|
Diffuse[0] = pass.Diffuse[0];
|
|
Diffuse[1] = pass.Diffuse[1];
|
|
Diffuse[2] = pass.Diffuse[2];
|
|
Diffuse[3] = pass.Diffuse[3];
|
|
|
|
Specular[0] = pass.Specular[0];
|
|
Specular[1] = pass.Specular[1];
|
|
Specular[2] = pass.Specular[2];
|
|
Specular[3] = pass.Specular[3];
|
|
|
|
Emissive[0] = pass.Emissive[0];
|
|
Emissive[1] = pass.Emissive[1];
|
|
Emissive[2] = pass.Emissive[2];
|
|
Emissive[3] = pass.Emissive[3];
|
|
}
|
|
|
|
glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, Ambient);
|
|
glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, Diffuse);
|
|
glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, Specular);
|
|
glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, Emissive);
|
|
glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, pass.Shininess);
|
|
}
|
|
|
|
// Use two-sided light model so that vertex normals are inverted for lighting calculation on back-facing polygons
|
|
glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, 1);
|
|
glFrontFace(parity ? GL_CW : GL_CCW);
|
|
|
|
if(mesh_instance.GetCompletion() < 1.0f)
|
|
{
|
|
// Backfaces might be visible when completion is < 1.0f since front
|
|
// faces might be omitted.
|
|
glDisable(GL_CULL_FACE);
|
|
}
|
|
else
|
|
{
|
|
switch (pass.CullHardware)
|
|
{
|
|
case StdMeshMaterialPass::CH_Clockwise:
|
|
glEnable(GL_CULL_FACE);
|
|
glCullFace(GL_BACK);
|
|
break;
|
|
case StdMeshMaterialPass::CH_CounterClockwise:
|
|
glEnable(GL_CULL_FACE);
|
|
glCullFace(GL_FRONT);
|
|
break;
|
|
case StdMeshMaterialPass::CH_None:
|
|
glDisable(GL_CULL_FACE);
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Overwrite blend mode with default alpha blending when alpha in clrmod
|
|
// is <255. This makes sure that normal non-blended meshes can have
|
|
// blending disabled in their material script (which disables expensive
|
|
// face ordering) but when they are made translucent via clrmod
|
|
if(!(dwBlitMode & C4GFXBLIT_ADDITIVE))
|
|
{
|
|
if( ((dwModClr >> 24) & 0xff) < 0xff) // && (!(dwBlitMode & C4GFXBLIT_MOD2)) )
|
|
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
|
else
|
|
glBlendFunc(OgreBlendTypeToGL(pass.SceneBlendFactors[0]),
|
|
OgreBlendTypeToGL(pass.SceneBlendFactors[1]));
|
|
}
|
|
else
|
|
{
|
|
if( ((dwModClr >> 24) & 0xff) < 0xff) // && (!(dwBlitMode & C4GFXBLIT_MOD2)) )
|
|
glBlendFunc(GL_SRC_ALPHA, GL_ONE);
|
|
else
|
|
glBlendFunc(OgreBlendTypeToGL(pass.SceneBlendFactors[0]), GL_ONE);
|
|
}
|
|
|
|
// TODO: Use vbo if available.
|
|
|
|
// Note that we need to do this before we do glTexCoordPointer for the
|
|
// texture units below, otherwise the texcoordpointer is reset by this
|
|
// call (or at least by my radeon driver), even though the documentation
|
|
// states that "The texture coordinate state for other client texture units
|
|
// is not updated, regardless of whether the client texture unit is enabled
|
|
// or not."
|
|
glInterleavedArrays(GL_N3F_V3F, sizeof(StdMeshVertex), &vertices->nx);
|
|
|
|
glMatrixMode(GL_TEXTURE);
|
|
GLuint have_texture = 0;
|
|
for (unsigned int j = 0; j < pass.TextureUnits.size(); ++j)
|
|
{
|
|
// Note that it is guaranteed that the GL_TEXTUREn
|
|
// constants are contiguous.
|
|
glActiveTexture(GL_TEXTURE0+j);
|
|
glClientActiveTexture(GL_TEXTURE0+j);
|
|
|
|
const StdMeshMaterialTextureUnit& texunit = pass.TextureUnits[j];
|
|
|
|
glEnable(GL_TEXTURE_2D);
|
|
if (texunit.HasTexture())
|
|
{
|
|
const unsigned int Phase = instance.GetTexturePhase(i, j);
|
|
have_texture = texunit.GetTexture(Phase).texName;
|
|
glBindTexture(GL_TEXTURE_2D, texunit.GetTexture(Phase).texName);
|
|
}
|
|
else
|
|
{
|
|
// We need to bind a valid texture here, even if the texture unit
|
|
// does not access the texture.
|
|
// TODO: Could use StdGL::lines_tex... this function should be a
|
|
// member of StdGL anyway.
|
|
glBindTexture(GL_TEXTURE_2D, have_texture);
|
|
}
|
|
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
|
|
glTexCoordPointer(2, GL_FLOAT, sizeof(StdMeshVertex), &vertices->u);
|
|
|
|
// Setup texture coordinate transform
|
|
glLoadIdentity();
|
|
const double Position = instance.GetTexturePosition(i, j);
|
|
for (unsigned int k = 0; k < texunit.Transformations.size(); ++k)
|
|
{
|
|
const StdMeshMaterialTextureUnit::Transformation& trans = texunit.Transformations[k];
|
|
switch (trans.TransformType)
|
|
{
|
|
case StdMeshMaterialTextureUnit::Transformation::T_SCROLL:
|
|
glTranslatef(trans.Scroll.X, trans.Scroll.Y, 0.0f);
|
|
break;
|
|
case StdMeshMaterialTextureUnit::Transformation::T_SCROLL_ANIM:
|
|
glTranslatef(trans.GetScrollX(Position), trans.GetScrollY(Position), 0.0f);
|
|
break;
|
|
case StdMeshMaterialTextureUnit::Transformation::T_ROTATE:
|
|
glRotatef(trans.Rotate.Angle, 0.0f, 0.0f, 1.0f);
|
|
break;
|
|
case StdMeshMaterialTextureUnit::Transformation::T_ROTATE_ANIM:
|
|
glRotatef(trans.GetRotate(Position), 0.0f, 0.0f, 1.0f);
|
|
break;
|
|
case StdMeshMaterialTextureUnit::Transformation::T_SCALE:
|
|
glScalef(trans.Scale.X, trans.Scale.Y, 1.0f);
|
|
break;
|
|
case StdMeshMaterialTextureUnit::Transformation::T_TRANSFORM:
|
|
glMultMatrixf(trans.Transform.M);
|
|
break;
|
|
case StdMeshMaterialTextureUnit::Transformation::T_WAVE_XFORM:
|
|
switch (trans.WaveXForm.XForm)
|
|
{
|
|
case StdMeshMaterialTextureUnit::Transformation::XF_SCROLL_X:
|
|
glTranslatef(trans.GetWaveXForm(Position), 0.0f, 0.0f);
|
|
break;
|
|
case StdMeshMaterialTextureUnit::Transformation::XF_SCROLL_Y:
|
|
glTranslatef(0.0f, trans.GetWaveXForm(Position), 0.0f);
|
|
break;
|
|
case StdMeshMaterialTextureUnit::Transformation::XF_ROTATE:
|
|
glRotatef(trans.GetWaveXForm(Position), 0.0f, 0.0f, 1.0f);
|
|
break;
|
|
case StdMeshMaterialTextureUnit::Transformation::XF_SCALE_X:
|
|
glScalef(trans.GetWaveXForm(Position), 1.0f, 1.0f);
|
|
break;
|
|
case StdMeshMaterialTextureUnit::Transformation::XF_SCALE_Y:
|
|
glScalef(1.0f, trans.GetWaveXForm(Position), 1.0f);
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE);
|
|
|
|
bool fMod2 = (dwBlitMode & C4GFXBLIT_MOD2) != 0;
|
|
|
|
// Overwrite texcombine and texscale for fMod2 drawing.
|
|
// TODO: Use an additional texture unit or a shader to do this,
|
|
// so that the settings of this texture unit are not lost.
|
|
|
|
if(fMod2)
|
|
{
|
|
// Special case RGBA setup for fMod2
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA, GL_MODULATE);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB, GL_ADD_SIGNED);
|
|
glTexEnvf(GL_TEXTURE_ENV, GL_ALPHA_SCALE, 1.0f);
|
|
glTexEnvf(GL_TEXTURE_ENV, GL_RGB_SCALE, 2.0f);
|
|
SetTexSource(GL_SOURCE0_RGB, texunit.ColorOpSources[0]); // TODO: Fails for StdMeshMaterialTextureUnit::BOX_Source2
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB, GL_CONSTANT);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB, GL_SRC_COLOR);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB, GL_SRC_COLOR);
|
|
SetTexSource(GL_SOURCE0_ALPHA, texunit.AlphaOpSources[0]);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_ALPHA, GL_CONSTANT);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA, GL_SRC_ALPHA);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_ALPHA, GL_SRC_ALPHA);
|
|
glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR, dwMod);
|
|
}
|
|
else
|
|
{
|
|
// Combine
|
|
SetTexCombine(GL_COMBINE_RGB, texunit.ColorOpEx);
|
|
SetTexCombine(GL_COMBINE_ALPHA, texunit.AlphaOpEx);
|
|
|
|
// Scale
|
|
SetTexScale(GL_RGB_SCALE, texunit.ColorOpEx);
|
|
SetTexScale(GL_ALPHA_SCALE, texunit.AlphaOpEx);
|
|
|
|
if (texunit.ColorOpEx == StdMeshMaterialTextureUnit::BOX_Source2)
|
|
{
|
|
SetTexSource(GL_SOURCE0_RGB, texunit.ColorOpSources[1]);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB, GL_SRC_COLOR);
|
|
}
|
|
else
|
|
{
|
|
if (texunit.ColorOpEx == StdMeshMaterialTextureUnit::BOX_AddSmooth)
|
|
{
|
|
// GL_SOURCE0 is GL_CONSTANT to achieve the desired effect with GL_INTERPOLATE
|
|
SetTexSource2(GL_SOURCE0_RGB, texunit.ColorOpEx);
|
|
SetTexSource(GL_SOURCE1_RGB, texunit.ColorOpSources[0]);
|
|
SetTexSource(GL_SOURCE2_RGB, texunit.ColorOpSources[1]);
|
|
|
|
SetTexOperand2(GL_OPERAND0_RGB, texunit.ColorOpEx);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB, GL_SRC_COLOR);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB, GL_SRC_COLOR);
|
|
}
|
|
else
|
|
{
|
|
SetTexSource(GL_SOURCE0_RGB, texunit.ColorOpSources[0]);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB, GL_SRC_COLOR);
|
|
|
|
if (texunit.ColorOpEx != StdMeshMaterialTextureUnit::BOX_Source1)
|
|
{
|
|
SetTexSource(GL_SOURCE1_RGB, texunit.ColorOpSources[1]);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB, GL_SRC_COLOR);
|
|
}
|
|
|
|
SetTexSource2(GL_SOURCE2_RGB, texunit.ColorOpEx);
|
|
SetTexOperand2(GL_OPERAND2_RGB, texunit.ColorOpEx);
|
|
}
|
|
}
|
|
|
|
if (texunit.AlphaOpEx == StdMeshMaterialTextureUnit::BOX_Source2)
|
|
{
|
|
SetTexSource(GL_SOURCE0_ALPHA, texunit.AlphaOpSources[1]);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA, GL_SRC_ALPHA);
|
|
}
|
|
else
|
|
{
|
|
if (texunit.AlphaOpEx == StdMeshMaterialTextureUnit::BOX_AddSmooth)
|
|
{
|
|
// GL_SOURCE0 is GL_CONSTANT to achieve the desired effect with GL_INTERPOLATE
|
|
SetTexSource2(GL_SOURCE0_ALPHA, texunit.AlphaOpEx);
|
|
SetTexSource(GL_SOURCE1_ALPHA, texunit.AlphaOpSources[0]);
|
|
SetTexSource(GL_SOURCE2_ALPHA, texunit.AlphaOpSources[1]);
|
|
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA, GL_SRC_ALPHA);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_ALPHA, GL_SRC_ALPHA);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_ALPHA, GL_SRC_ALPHA);
|
|
}
|
|
else
|
|
{
|
|
SetTexSource(GL_SOURCE0_ALPHA, texunit.AlphaOpSources[0]);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA, GL_SRC_ALPHA);
|
|
|
|
if (texunit.AlphaOpEx != StdMeshMaterialTextureUnit::BOX_Source1)
|
|
{
|
|
SetTexSource(GL_SOURCE1_ALPHA, texunit.AlphaOpSources[1]);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_ALPHA, GL_SRC_ALPHA);
|
|
}
|
|
|
|
SetTexSource2(GL_SOURCE2_ALPHA, texunit.AlphaOpEx);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_ALPHA, GL_SRC_ALPHA);
|
|
}
|
|
}
|
|
|
|
SetTexColor(texunit, dwPlayerColor);
|
|
}
|
|
}
|
|
|
|
glMatrixMode(GL_MODELVIEW);
|
|
|
|
glDrawElements(GL_TRIANGLES, instance.GetNumFaces()*3, GL_UNSIGNED_INT, instance.GetFaces());
|
|
|
|
for (unsigned int j = 0; j < pass.TextureUnits.size(); ++j)
|
|
{
|
|
glActiveTexture(GL_TEXTURE0+j);
|
|
glClientActiveTexture(GL_TEXTURE0+j);
|
|
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
|
|
glDisable(GL_TEXTURE_2D);
|
|
}
|
|
}
|
|
}
|
|
|
|
void RenderMeshImpl(StdMeshInstance& instance, DWORD dwModClr, DWORD dwBlitMode, DWORD dwPlayerColor, bool parity); // Needed by RenderAttachedMesh
|
|
|
|
void RenderAttachedMesh(StdMeshInstance::AttachedMesh* attach, DWORD dwModClr, DWORD dwBlitMode, DWORD dwPlayerColor, bool parity)
|
|
{
|
|
const StdMeshMatrix& FinalTrans = attach->GetFinalTransformation();
|
|
|
|
// Convert matrix to column-major order, add fourth row
|
|
const float attach_trans_gl[16] =
|
|
{
|
|
FinalTrans(0,0), FinalTrans(1,0), FinalTrans(2,0), 0,
|
|
FinalTrans(0,1), FinalTrans(1,1), FinalTrans(2,1), 0,
|
|
FinalTrans(0,2), FinalTrans(1,2), FinalTrans(2,2), 0,
|
|
FinalTrans(0,3), FinalTrans(1,3), FinalTrans(2,3), 1
|
|
};
|
|
|
|
// TODO: Take attach transform's parity into account
|
|
glPushMatrix();
|
|
glMultMatrixf(attach_trans_gl);
|
|
RenderMeshImpl(*attach->Child, dwModClr, dwBlitMode, dwPlayerColor, parity);
|
|
glPopMatrix();
|
|
|
|
#if 0
|
|
const StdMeshMatrix& own_trans = instance.GetBoneTransform(attach->ParentBone)
|
|
* StdMeshMatrix::Transform(instance.Mesh.GetBone(attach->ParentBone).Transformation);
|
|
|
|
// Draw attached bone
|
|
glDisable(GL_DEPTH_TEST);
|
|
glDisable(GL_LIGHTING);
|
|
glColor4f(1.0f, 0.0f, 0.0f, 1.0f);
|
|
GLUquadric* quad = gluNewQuadric();
|
|
glPushMatrix();
|
|
glTranslatef(own_trans(0,3), own_trans(1,3), own_trans(2,3));
|
|
gluSphere(quad, 1.0f, 4, 4);
|
|
glPopMatrix();
|
|
gluDeleteQuadric(quad);
|
|
glEnable(GL_DEPTH_TEST);
|
|
glEnable(GL_LIGHTING);
|
|
#endif
|
|
}
|
|
|
|
void RenderMeshImpl(StdMeshInstance& instance, DWORD dwModClr, DWORD dwBlitMode, DWORD dwPlayerColor, bool parity)
|
|
{
|
|
const StdMesh& mesh = instance.GetMesh();
|
|
|
|
// Render AM_DrawBefore attached meshes
|
|
StdMeshInstance::AttachedMeshIter attach_iter = instance.AttachedMeshesBegin();
|
|
|
|
for (; attach_iter != instance.AttachedMeshesEnd() && ((*attach_iter)->GetFlags() & StdMeshInstance::AM_DrawBefore); ++attach_iter)
|
|
RenderAttachedMesh(*attach_iter, dwModClr, dwBlitMode, dwPlayerColor, parity);
|
|
|
|
// Render each submesh
|
|
for (unsigned int i = 0; i < mesh.GetNumSubMeshes(); ++i)
|
|
RenderSubMeshImpl(instance, instance.GetSubMesh(i), dwModClr, dwBlitMode, dwPlayerColor, parity);
|
|
|
|
#if 0
|
|
// Draw attached bone
|
|
if (instance.GetAttachParent())
|
|
{
|
|
const StdMeshInstance::AttachedMesh* attached = instance.GetAttachParent();
|
|
const StdMeshMatrix& own_trans = instance.GetBoneTransform(attached->ChildBone) * StdMeshMatrix::Transform(instance.Mesh.GetBone(attached->ChildBone).Transformation);
|
|
|
|
glDisable(GL_DEPTH_TEST);
|
|
glDisable(GL_LIGHTING);
|
|
glColor4f(1.0f, 1.0f, 0.0f, 1.0f);
|
|
GLUquadric* quad = gluNewQuadric();
|
|
glPushMatrix();
|
|
glTranslatef(own_trans(0,3), own_trans(1,3), own_trans(2,3));
|
|
gluSphere(quad, 1.0f, 4, 4);
|
|
glPopMatrix();
|
|
gluDeleteQuadric(quad);
|
|
glEnable(GL_DEPTH_TEST);
|
|
glEnable(GL_LIGHTING);
|
|
}
|
|
#endif
|
|
|
|
// Render non-AM_DrawBefore attached meshes
|
|
for (; attach_iter != instance.AttachedMeshesEnd(); ++attach_iter)
|
|
RenderAttachedMesh(*attach_iter, dwModClr, dwBlitMode, dwPlayerColor, parity);
|
|
}
|
|
|
|
// Apply Zoom and Transformation to the current matrix stack. Return
|
|
// parity of the transformation.
|
|
bool ApplyZoomAndTransform(float ZoomX, float ZoomY, float Zoom, C4BltTransform* pTransform)
|
|
{
|
|
// Apply zoom
|
|
glTranslatef(ZoomX, ZoomY, 0.0f);
|
|
glScalef(Zoom, Zoom, 1.0f);
|
|
glTranslatef(-ZoomX, -ZoomY, 0.0f);
|
|
|
|
// Apply transformation
|
|
if (pTransform)
|
|
{
|
|
const GLfloat transform[16] = { pTransform->mat[0], pTransform->mat[3], 0, pTransform->mat[6], pTransform->mat[1], pTransform->mat[4], 0, pTransform->mat[7], 0, 0, 1, 0, pTransform->mat[2], pTransform->mat[5], 0, pTransform->mat[8] };
|
|
glMultMatrixf(transform);
|
|
|
|
// Compute parity of the transformation matrix - if parity is swapped then
|
|
// we need to cull front faces instead of back faces.
|
|
const float det = transform[0]*transform[5]*transform[15]
|
|
+ transform[4]*transform[13]*transform[3]
|
|
+ transform[12]*transform[1]*transform[7]
|
|
- transform[0]*transform[13]*transform[7]
|
|
- transform[4]*transform[1]*transform[15]
|
|
- transform[12]*transform[5]*transform[3];
|
|
return det > 0;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
}
|
|
|
|
void CStdGL::PerformMesh(StdMeshInstance &instance, float tx, float ty, float twdt, float thgt, DWORD dwPlayerColor, C4BltTransform* pTransform)
|
|
{
|
|
// Field of View for perspective projection, in degrees
|
|
static const float FOV = 60.0f;
|
|
static const float TAN_FOV = tan(FOV / 2.0f / 180.0f * M_PI);
|
|
|
|
// Convert OgreToClonk matrix to column-major order
|
|
// TODO: This must be executed after C4Draw::OgreToClonk was
|
|
// initialized - is this guaranteed at this position?
|
|
static const float OgreToClonkGL[16] =
|
|
{
|
|
C4Draw::OgreToClonk(0,0), C4Draw::OgreToClonk(1,0), C4Draw::OgreToClonk(2,0), 0,
|
|
C4Draw::OgreToClonk(0,1), C4Draw::OgreToClonk(1,1), C4Draw::OgreToClonk(2,1), 0,
|
|
C4Draw::OgreToClonk(0,2), C4Draw::OgreToClonk(1,2), C4Draw::OgreToClonk(2,2), 0,
|
|
C4Draw::OgreToClonk(0,3), C4Draw::OgreToClonk(1,3), C4Draw::OgreToClonk(2,3), 1
|
|
};
|
|
|
|
static const bool OgreToClonkParity = C4Draw::OgreToClonk.Determinant() > 0.0f;
|
|
|
|
const StdMesh& mesh = instance.GetMesh();
|
|
|
|
bool parity = OgreToClonkParity;
|
|
|
|
// Convert bounding box to clonk coordinate system
|
|
// (TODO: We should cache this, not sure where though)
|
|
// TODO: Note that this does not generally work with an arbitrary transformation this way
|
|
const StdMeshBox& box = mesh.GetBoundingBox();
|
|
StdMeshVector v1, v2;
|
|
v1.x = box.x1; v1.y = box.y1; v1.z = box.z1;
|
|
v2.x = box.x2; v2.y = box.y2; v2.z = box.z2;
|
|
v1 = OgreToClonk * v1; // TODO: Include translation
|
|
v2 = OgreToClonk * v2; // TODO: Include translation
|
|
|
|
// Vector from origin of mesh to center of mesh
|
|
const StdMeshVector MeshCenter = (v1 + v2)/2.0f;
|
|
|
|
glShadeModel(GL_SMOOTH);
|
|
glEnable(GL_DEPTH_TEST);
|
|
glEnable(GL_LIGHTING);
|
|
glEnable(GL_BLEND); // TODO: Shouldn't this always be enabled? - blending does not work for meshes without this though.
|
|
|
|
// TODO: We ignore the additive drawing flag for meshes but instead
|
|
// set the blending mode of the corresponding material. I'm not sure
|
|
// how the two could be combined.
|
|
// TODO: Maybe they can be combined using a pixel shader which does
|
|
// ftransform() and then applies colormod, additive and mod2
|
|
// on the result (with alpha blending).
|
|
//int iAdditive = dwBlitMode & C4GFXBLIT_ADDITIVE;
|
|
//glBlendFunc(GL_SRC_ALPHA, iAdditive ? GL_ONE : GL_ONE_MINUS_SRC_ALPHA);
|
|
|
|
// Set up projection matrix first. We do transform and Zoom with the
|
|
// projection matrix, so that lighting is applied to the untransformed/unzoomed
|
|
// mesh.
|
|
glMatrixMode(GL_PROJECTION);
|
|
glPushMatrix();
|
|
|
|
// Mesh extents
|
|
const float b = fabs(v2.x - v1.x)/2.0f;
|
|
const float h = fabs(v2.y - v1.y)/2.0f;
|
|
const float l = fabs(v2.z - v1.z)/2.0f;
|
|
|
|
if (!fUsePerspective)
|
|
{
|
|
// Orthographic projection. The orthographic projection matrix
|
|
// is already loaded in the GL matrix stack.
|
|
|
|
if (!ApplyZoomAndTransform(ZoomX, ZoomY, Zoom, pTransform))
|
|
parity = !parity;
|
|
|
|
// Scale so that the mesh fits in (tx,ty,twdt,thgt)
|
|
const float rx = -std::min(v1.x,v1.y) / fabs(v2.x - v1.x);
|
|
const float ry = -std::min(v1.y,v2.y) / fabs(v2.y - v1.y);
|
|
const float dx = tx + rx*twdt;
|
|
const float dy = ty + ry*thgt;
|
|
|
|
// Scale so that Z coordinate is between -1 and 1, otherwise parts of
|
|
// the mesh could be clipped away by the near or far clipping plane.
|
|
// Note that this only works for the projection matrix, otherwise
|
|
// lighting is screwed up.
|
|
|
|
// This technique might also enable us not to clear the depth buffer
|
|
// after every mesh rendering - we could simply scale the first mesh
|
|
// of the scene so that it's Z coordinate is between 0 and 1, scale
|
|
// the second mesh that it is between 1 and 2, and so on.
|
|
// This of course requires an orthogonal projection so that the
|
|
// meshes don't look distorted - if we should ever decide to use
|
|
// a perspective projection we need to think of something different.
|
|
// Take also into account that the depth is not linear but linear
|
|
// in the logarithm (if I am not mistaken), so goes as 1/z
|
|
|
|
// Don't scale by Z extents since mesh might be transformed
|
|
// by MeshTransformation, so use GetBoundingRadius to be safe.
|
|
// Note this still fails if mesh is scaled in Z direction or
|
|
// there are attached meshes.
|
|
const float scz = 1.0/(mesh.GetBoundingRadius());
|
|
|
|
glTranslatef(dx, dy, 0.0f);
|
|
glScalef(1.0f, 1.0f, scz);
|
|
}
|
|
else
|
|
{
|
|
// Perspective projection. We need current viewport size.
|
|
const int iWdt=Min(iClipX2, RenderTarget->Wdt-1)-iClipX1+1;
|
|
const int iHgt=Min(iClipY2, RenderTarget->Hgt-1)-iClipY1+1;
|
|
|
|
// Get away with orthographic projection matrix currently loaded
|
|
glLoadIdentity();
|
|
|
|
// Back to GL device coordinates
|
|
glTranslatef(-1.0f, 1.0f, 0.0f);
|
|
glScalef(2.0f/iWdt, -2.0f/iHgt, 1.0f);
|
|
|
|
glTranslatef(-iClipX1, -iClipY1, 0.0f);
|
|
if (!ApplyZoomAndTransform(ZoomX, ZoomY, Zoom, pTransform))
|
|
parity = !parity;
|
|
|
|
// Move to target location and compensate for 1.0f aspect
|
|
float ttx = tx, tty = ty, ttwdt = twdt, tthgt = thgt;
|
|
if(twdt > thgt)
|
|
{
|
|
tty += (thgt-twdt)/2.0;
|
|
tthgt = twdt;
|
|
}
|
|
else
|
|
{
|
|
ttx += (twdt-thgt)/2.0;
|
|
ttwdt = thgt;
|
|
}
|
|
|
|
glTranslatef(ttx, tty, 0.0f);
|
|
glScalef(((float)ttwdt)/iWdt, ((float)tthgt)/iHgt, 1.0f);
|
|
|
|
// Return to Clonk coordinate frame
|
|
glScalef(iWdt/2.0, -iHgt/2.0, 1.0f);
|
|
glTranslatef(1.0f, -1.0f, 0.0f);
|
|
|
|
// Fix for the case when we have a non-square target
|
|
const float ta = twdt / thgt;
|
|
const float ma = b / h;
|
|
if(ta <= 1 && ta/ma <= 1)
|
|
glScalef(std::max(ta, ta/ma), std::max(ta, ta/ma), 1.0f);
|
|
else if(ta >= 1 && ta/ma >= 1)
|
|
glScalef(std::max(1.0f/ta, ma/ta), std::max(1.0f/ta, ma/ta), 1.0f);
|
|
|
|
// Apply perspective projection. After this, x and y range from
|
|
// -1 to 1, and this is mapped into tx/ty/twdt/thgt by the above code.
|
|
// Aspect is 1.0f which is accounted for above.
|
|
gluPerspective(FOV, 1.0f, 0.1f, 100.0f);
|
|
}
|
|
|
|
// Now set up modelview matrix
|
|
glMatrixMode(GL_MODELVIEW);
|
|
glPushMatrix();
|
|
glLoadIdentity();
|
|
|
|
if (!fUsePerspective)
|
|
{
|
|
// Put a light source in front of the object
|
|
const GLfloat light_position[] = { 0.0f, 0.0f, 1.0f, 0.0f };
|
|
glLightfv(GL_LIGHT0, GL_POSITION, light_position);
|
|
glEnable(GL_LIGHT0);
|
|
}
|
|
else
|
|
{
|
|
// Setup camera position so that the mesh with uniform transformation
|
|
// fits well into a square target (without distortion).
|
|
const float EyeR = l + std::max(b/TAN_FOV, h/TAN_FOV);
|
|
const float EyeX = MeshCenter.x;
|
|
const float EyeY = MeshCenter.y;
|
|
const float EyeZ = MeshCenter.z + EyeR;
|
|
|
|
// Up vector is unit vector in theta direction
|
|
const float UpX = 0;//-sinEyePhi * sinEyeTheta;
|
|
const float UpY = -1;//-cosEyeTheta;
|
|
const float UpZ = 0;//-cosEyePhi * sinEyeTheta;
|
|
|
|
// Apply lighting (light source at camera position)
|
|
const GLfloat light_position[] = { EyeX, EyeY, EyeZ, 1.0f };
|
|
glLightfv(GL_LIGHT0, GL_POSITION, light_position);
|
|
glEnable(GL_LIGHT0);
|
|
|
|
// Fix X axis (???)
|
|
glScalef(-1.0f, 1.0f, 1.0f);
|
|
// center on mesh's bounding box, so that the mesh is really in the center of the viewport
|
|
gluLookAt(EyeX, EyeY, EyeZ, MeshCenter.x, MeshCenter.y, MeshCenter.z, UpX, UpY, UpZ);
|
|
}
|
|
|
|
// Apply mesh transformation matrix
|
|
if (MeshTransform)
|
|
{
|
|
// Convert to column-major order
|
|
const float Matrix[16] =
|
|
{
|
|
(*MeshTransform)(0,0), (*MeshTransform)(1,0), (*MeshTransform)(2,0), 0,
|
|
(*MeshTransform)(0,1), (*MeshTransform)(1,1), (*MeshTransform)(2,1), 0,
|
|
(*MeshTransform)(0,2), (*MeshTransform)(1,2), (*MeshTransform)(2,2), 0,
|
|
(*MeshTransform)(0,3), (*MeshTransform)(1,3), (*MeshTransform)(2,3), 1
|
|
};
|
|
|
|
const float det = MeshTransform->Determinant();
|
|
if (det < 0) parity = !parity;
|
|
|
|
// Renormalize if transformation resizes the mesh
|
|
// for lighting to be correct.
|
|
// TODO: Also needs to check for orthonormality to be correct
|
|
if (det != 1 && det != -1)
|
|
glEnable(GL_NORMALIZE);
|
|
|
|
// Apply MeshTransformation (in the Mesh's coordinate system)
|
|
glMultMatrixf(Matrix);
|
|
}
|
|
|
|
// Convert from Ogre to Clonk coordinate system
|
|
glMultMatrixf(OgreToClonkGL);
|
|
|
|
DWORD dwModClr = BlitModulated ? BlitModulateClr : 0xffffffff;
|
|
|
|
if(fUseClrModMap)
|
|
{
|
|
float x = tx + twdt/2.0f;
|
|
float y = ty + thgt/2.0f;
|
|
|
|
if(pTransform)
|
|
pTransform->TransformPoint(x,y);
|
|
|
|
ApplyZoom(x, y);
|
|
DWORD c = pClrModMap->GetModAt(int(x), int(y));
|
|
ModulateClr(dwModClr, c);
|
|
}
|
|
|
|
RenderMeshImpl(instance, dwModClr, dwBlitMode, dwPlayerColor, parity);
|
|
|
|
glMatrixMode(GL_PROJECTION);
|
|
glPopMatrix();
|
|
glMatrixMode(GL_MODELVIEW);
|
|
glPopMatrix();
|
|
|
|
glActiveTexture(GL_TEXTURE0); // switch back to default
|
|
glClientActiveTexture(GL_TEXTURE0); // switch back to default
|
|
glDepthMask(GL_TRUE);
|
|
|
|
glDisable(GL_NORMALIZE);
|
|
glDisable(GL_LIGHT0);
|
|
glDisable(GL_LIGHTING);
|
|
glDisable(GL_DEPTH_TEST);
|
|
glDisable(GL_CULL_FACE);
|
|
glDisable(GL_SAMPLE_ALPHA_TO_COVERAGE);
|
|
//glDisable(GL_BLEND);
|
|
glShadeModel(GL_FLAT);
|
|
|
|
// TODO: glScissor, so that we only clear the area the mesh covered.
|
|
glClear(GL_DEPTH_BUFFER_BIT);
|
|
}
|
|
|
|
void CStdGL::BlitLandscape(C4Surface * sfcSource, float fx, float fy,
|
|
C4Surface * sfcTarget, float tx, float ty, float wdt, float hgt, const C4Surface * mattextures[])
|
|
{
|
|
//Blit(sfcSource, fx, fy, wdt, hgt, sfcTarget, tx, ty, wdt, hgt);return;
|
|
// safety
|
|
if (!sfcSource || !sfcTarget || !wdt || !hgt) return;
|
|
assert(sfcTarget->IsRenderTarget());
|
|
assert(!(dwBlitMode & C4GFXBLIT_MOD2));
|
|
// Apply Zoom
|
|
float twdt = wdt;
|
|
float thgt = hgt;
|
|
tx = (tx - ZoomX) * Zoom + ZoomX;
|
|
ty = (ty - ZoomY) * Zoom + ZoomY;
|
|
twdt *= Zoom;
|
|
thgt *= Zoom;
|
|
// bound
|
|
if (ClipAll) return;
|
|
// manual clipping? (primary surface only)
|
|
if (Config.Graphics.ClipManuallyE)
|
|
{
|
|
int iOver;
|
|
// Left
|
|
iOver=int(tx)-iClipX1;
|
|
if (iOver<0)
|
|
{
|
|
wdt+=iOver;
|
|
twdt+=iOver*Zoom;
|
|
fx-=iOver;
|
|
tx=float(iClipX1);
|
|
}
|
|
// Top
|
|
iOver=int(ty)-iClipY1;
|
|
if (iOver<0)
|
|
{
|
|
hgt+=iOver;
|
|
thgt+=iOver*Zoom;
|
|
fy-=iOver;
|
|
ty=float(iClipY1);
|
|
}
|
|
// Right
|
|
iOver=iClipX2+1-int(tx+twdt);
|
|
if (iOver<0)
|
|
{
|
|
wdt+=iOver/Zoom;
|
|
twdt+=iOver;
|
|
}
|
|
// Bottom
|
|
iOver=iClipY2+1-int(ty+thgt);
|
|
if (iOver<0)
|
|
{
|
|
hgt+=iOver/Zoom;
|
|
thgt+=iOver;
|
|
}
|
|
}
|
|
// inside screen?
|
|
if (wdt<=0 || hgt<=0) return;
|
|
// prepare rendering to surface
|
|
if (!PrepareRendering(sfcTarget)) return;
|
|
// texture present?
|
|
if (!sfcSource->ppTex)
|
|
{
|
|
return;
|
|
}
|
|
// get involved texture offsets
|
|
int iTexSizeX=sfcSource->iTexSize;
|
|
int iTexSizeY=sfcSource->iTexSize;
|
|
int iTexX=Max(int(fx/iTexSizeX), 0);
|
|
int iTexY=Max(int(fy/iTexSizeY), 0);
|
|
int iTexX2=Min((int)(fx+wdt-1)/iTexSizeX +1, sfcSource->iTexX);
|
|
int iTexY2=Min((int)(fy+hgt-1)/iTexSizeY +1, sfcSource->iTexY);
|
|
// blit from all these textures
|
|
SetTexture();
|
|
if (mattextures)
|
|
{
|
|
glActiveTexture(GL_TEXTURE1);
|
|
glEnable(GL_TEXTURE_2D);
|
|
glActiveTexture(GL_TEXTURE0);
|
|
}
|
|
DWORD dwModMask = 0;
|
|
SetupTextureEnv(false, !!mattextures);
|
|
glMatrixMode(GL_MODELVIEW);
|
|
glLoadIdentity();
|
|
glMatrixMode(GL_TEXTURE);
|
|
glLoadIdentity();
|
|
for (int iY=iTexY; iY<iTexY2; ++iY)
|
|
{
|
|
for (int iX=iTexX; iX<iTexX2; ++iX)
|
|
{
|
|
// blit
|
|
DWORD dwModClr = BlitModulated ? BlitModulateClr : 0xffffffff;
|
|
|
|
glActiveTexture(GL_TEXTURE0);
|
|
C4TexRef *pTex = *(sfcSource->ppTex + iY * sfcSource->iTexX + iX);
|
|
glBindTexture(GL_TEXTURE_2D, pTex->texName);
|
|
if (!mattextures && Zoom != 1.0)
|
|
{
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
|
}
|
|
else
|
|
{
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
|
|
}
|
|
|
|
// get current blitting offset in texture
|
|
int iBlitX=sfcSource->iTexSize*iX;
|
|
int iBlitY=sfcSource->iTexSize*iY;
|
|
// size changed? recalc dependant, relevant (!) values
|
|
if (iTexSizeX != pTex->iSizeX)
|
|
iTexSizeX = pTex->iSizeX;
|
|
if (iTexSizeY != pTex->iSizeY)
|
|
iTexSizeY = pTex->iSizeY;
|
|
// get new texture source bounds
|
|
FLOAT_RECT fTexBlt;
|
|
// get new dest bounds
|
|
FLOAT_RECT tTexBlt;
|
|
// set up blit data as rect
|
|
fTexBlt.left = Max<float>((float)(fx - iBlitX), 0.0f);
|
|
tTexBlt.left = (fTexBlt.left + iBlitX - fx) * Zoom + tx;
|
|
fTexBlt.top = Max<float>((float)(fy - iBlitY), 0.0f);
|
|
tTexBlt.top = (fTexBlt.top + iBlitY - fy) * Zoom + ty;
|
|
fTexBlt.right = Min<float>((float)(fx + wdt - iBlitX), (float)iTexSizeX);
|
|
tTexBlt.right = (fTexBlt.right + iBlitX - fx) * Zoom + tx;
|
|
fTexBlt.bottom= Min<float>((float)(fy + hgt - iBlitY), (float)iTexSizeY);
|
|
tTexBlt.bottom= (fTexBlt.bottom+ iBlitY - fy) * Zoom + ty;
|
|
C4BltVertex Vtx[4];
|
|
// blit positions
|
|
Vtx[0].ftx = tTexBlt.left; Vtx[0].fty = tTexBlt.top;
|
|
Vtx[1].ftx = tTexBlt.right; Vtx[1].fty = tTexBlt.top;
|
|
Vtx[2].ftx = tTexBlt.right; Vtx[2].fty = tTexBlt.bottom;
|
|
Vtx[3].ftx = tTexBlt.left; Vtx[3].fty = tTexBlt.bottom;
|
|
// blit positions
|
|
Vtx[0].tx = fTexBlt.left; Vtx[0].ty = fTexBlt.top;
|
|
Vtx[1].tx = fTexBlt.right; Vtx[1].ty = fTexBlt.top;
|
|
Vtx[2].tx = fTexBlt.right; Vtx[2].ty = fTexBlt.bottom;
|
|
Vtx[3].tx = fTexBlt.left; Vtx[3].ty = fTexBlt.bottom;
|
|
|
|
// color modulation
|
|
// global modulation map
|
|
if (shaders[0] && fUseClrModMap)
|
|
{
|
|
glActiveTexture(GL_TEXTURE3);
|
|
glLoadIdentity();
|
|
C4Surface * pSurface = pClrModMap->GetSurface();
|
|
glScalef(1.0f/(pClrModMap->GetResolutionX()*(*pSurface->ppTex)->iSizeX), 1.0f/(pClrModMap->GetResolutionY()*(*pSurface->ppTex)->iSizeY), 1.0f);
|
|
glTranslatef(float(-pClrModMap->OffX), float(-pClrModMap->OffY), 0.0f);
|
|
|
|
glClientActiveTexture(GL_TEXTURE3);
|
|
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
|
|
glTexCoordPointer(2, GL_FLOAT, sizeof(C4BltVertex), &Vtx[0].ftx);
|
|
glClientActiveTexture(GL_TEXTURE0);
|
|
}
|
|
if (!shaders[0] && fUseClrModMap && dwModClr)
|
|
{
|
|
for (int i=0; i<4; ++i)
|
|
{
|
|
DWORD c = pClrModMap->GetModAt(int(Vtx[i].ftx), int(Vtx[i].fty));
|
|
ModulateClr(c, dwModClr);
|
|
DwTo4UB(c | dwModMask, Vtx[i].color);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for (int i=0; i<4; ++i)
|
|
DwTo4UB(dwModClr | dwModMask, Vtx[i].color);
|
|
}
|
|
for (int i=0; i<4; ++i)
|
|
{
|
|
Vtx[i].tx /= iTexSizeX;
|
|
Vtx[i].ty /= iTexSizeY;
|
|
Vtx[i].ftz = 0;
|
|
}
|
|
if (mattextures)
|
|
{
|
|
GLfloat shaderparam[4];
|
|
for (int cnt=1; cnt<127; cnt++)
|
|
{
|
|
if (mattextures[cnt])
|
|
{
|
|
shaderparam[0]=static_cast<GLfloat>(cnt)/255.0f;
|
|
glProgramLocalParameter4fvARB(GL_FRAGMENT_PROGRAM_ARB, 1, shaderparam);
|
|
//Bind Mat Texture
|
|
glActiveTexture(GL_TEXTURE1);
|
|
glBindTexture(GL_TEXTURE_2D, (*(mattextures[cnt]->ppTex))->texName);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
|
|
glActiveTexture(GL_TEXTURE0);
|
|
|
|
glInterleavedArrays(GL_T2F_C4UB_V3F, sizeof(C4BltVertex), Vtx);
|
|
glDrawArrays(GL_QUADS, 0, 4);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
glInterleavedArrays(GL_T2F_C4UB_V3F, sizeof(C4BltVertex), Vtx);
|
|
glDrawArrays(GL_QUADS, 0, 4);
|
|
}
|
|
|
|
if(shaders[0] && fUseClrModMap)
|
|
{
|
|
glClientActiveTexture(GL_TEXTURE3);
|
|
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
|
|
glClientActiveTexture(GL_TEXTURE0);
|
|
}
|
|
|
|
}
|
|
}
|
|
if (mattextures)
|
|
{
|
|
glActiveTexture(GL_TEXTURE1);
|
|
glDisable(GL_TEXTURE_2D);
|
|
glActiveTexture(GL_TEXTURE0);
|
|
}
|
|
// reset texture
|
|
ResetTexture();
|
|
}
|
|
|
|
CStdGLCtx *CStdGL::CreateContext(C4Window * pWindow, C4AbstractApp *pApp)
|
|
{
|
|
DebugLog(" gl: Create Context...");
|
|
// safety
|
|
if (!pWindow) return NULL;
|
|
// create it
|
|
CStdGLCtx *pCtx = new CStdGLCtx();
|
|
if (!pMainCtx) pMainCtx = pCtx;
|
|
if (!pCtx->Init(pWindow, pApp))
|
|
{
|
|
delete pCtx; Error(" gl: Error creating secondary context!"); return NULL;
|
|
}
|
|
// creation selected the new context - switch back to previous context
|
|
RenderTarget = NULL;
|
|
pCurrCtx = NULL;
|
|
// done
|
|
return pCtx;
|
|
}
|
|
|
|
#ifdef USE_WIN32_WINDOWS
|
|
CStdGLCtx *CStdGL::CreateContext(HWND hWindow, C4AbstractApp *pApp)
|
|
{
|
|
// safety
|
|
if (!hWindow) return NULL;
|
|
// create it
|
|
CStdGLCtx *pCtx = new CStdGLCtx();
|
|
if (!pCtx->Init(NULL, pApp, hWindow))
|
|
{
|
|
delete pCtx; Error(" gl: Error creating secondary context!"); return NULL;
|
|
}
|
|
if (!pMainCtx)
|
|
{
|
|
pMainCtx = pCtx;
|
|
}
|
|
else
|
|
{
|
|
// creation selected the new context - switch back to previous context
|
|
RenderTarget = NULL;
|
|
pCurrCtx = NULL;
|
|
}
|
|
// done
|
|
return pCtx;
|
|
}
|
|
#endif
|
|
|
|
bool CStdGL::CreatePrimarySurfaces(bool, unsigned int, unsigned int, int iColorDepth, unsigned int)
|
|
{
|
|
// store options
|
|
|
|
return RestoreDeviceObjects();
|
|
}
|
|
|
|
void CStdGL::DrawQuadDw(C4Surface * sfcTarget, float *ipVtx, DWORD dwClr1, DWORD dwClr2, DWORD dwClr3, DWORD dwClr4)
|
|
{
|
|
// prepare rendering to target
|
|
if (!PrepareRendering(sfcTarget)) return;
|
|
// apply global modulation
|
|
ClrByCurrentBlitMod(dwClr1);
|
|
ClrByCurrentBlitMod(dwClr2);
|
|
ClrByCurrentBlitMod(dwClr3);
|
|
ClrByCurrentBlitMod(dwClr4);
|
|
// apply modulation map
|
|
if (fUseClrModMap)
|
|
{
|
|
ModulateClr(dwClr1, pClrModMap->GetModAt(int(ipVtx[0]), int(ipVtx[1])));
|
|
ModulateClr(dwClr2, pClrModMap->GetModAt(int(ipVtx[2]), int(ipVtx[3])));
|
|
ModulateClr(dwClr3, pClrModMap->GetModAt(int(ipVtx[4]), int(ipVtx[5])));
|
|
ModulateClr(dwClr4, pClrModMap->GetModAt(int(ipVtx[6]), int(ipVtx[7])));
|
|
}
|
|
glShadeModel((dwClr1 == dwClr2 && dwClr1 == dwClr3 && dwClr1 == dwClr4) ? GL_FLAT : GL_SMOOTH);
|
|
// set blitting state
|
|
int iAdditive = dwBlitMode & C4GFXBLIT_ADDITIVE;
|
|
glBlendFunc(GL_SRC_ALPHA, iAdditive ? GL_ONE : GL_ONE_MINUS_SRC_ALPHA);
|
|
// draw two triangles
|
|
glInterleavedArrays(GL_V2F, sizeof(float)*2, ipVtx);
|
|
GLubyte colors[4][4];
|
|
DwTo4UB(dwClr1,colors[0]);
|
|
DwTo4UB(dwClr2,colors[1]);
|
|
DwTo4UB(dwClr3,colors[2]);
|
|
DwTo4UB(dwClr4,colors[3]);
|
|
glColorPointer(4,GL_UNSIGNED_BYTE,0,colors);
|
|
glEnableClientState(GL_COLOR_ARRAY);
|
|
glDrawArrays(GL_POLYGON, 0, 4);
|
|
glDisableClientState(GL_COLOR_ARRAY);
|
|
glShadeModel(GL_FLAT);
|
|
}
|
|
|
|
#ifdef _MSC_VER
|
|
#ifdef _M_X64
|
|
# include <emmintrin.h>
|
|
#endif
|
|
static inline long int lrintf(float f)
|
|
{
|
|
#ifdef _M_X64
|
|
return _mm_cvtt_ss2si(_mm_load_ps1(&f));
|
|
#else
|
|
long int i;
|
|
__asm
|
|
{
|
|
fld f
|
|
fistp i
|
|
};
|
|
return i;
|
|
#endif
|
|
}
|
|
#endif
|
|
|
|
void CStdGL::PerformLine(C4Surface * sfcTarget, float x1, float y1, float x2, float y2, DWORD dwClr)
|
|
{
|
|
// render target?
|
|
if (sfcTarget->IsRenderTarget())
|
|
{
|
|
// prepare rendering to target
|
|
if (!PrepareRendering(sfcTarget)) return;
|
|
SetTexture();
|
|
SetupTextureEnv(false, false);
|
|
float offx = y1 - y2;
|
|
float offy = x2 - x1;
|
|
float l = sqrtf(offx * offx + offy * offy);
|
|
// avoid division by zero
|
|
l += 0.000000005f;
|
|
offx /= l; offx *= Zoom;
|
|
offy /= l; offy *= Zoom;
|
|
C4BltVertex vtx[4];
|
|
vtx[0].ftx = x1 + offx; vtx[0].fty = y1 + offy; vtx[0].ftz = 0;
|
|
vtx[1].ftx = x1 - offx; vtx[1].fty = y1 - offy; vtx[1].ftz = 0;
|
|
vtx[2].ftx = x2 - offx; vtx[2].fty = y2 - offy; vtx[2].ftz = 0;
|
|
vtx[3].ftx = x2 + offx; vtx[3].fty = y2 + offy; vtx[3].ftz = 0;
|
|
// global clr modulation map
|
|
DWORD dwClr1 = dwClr;
|
|
glMatrixMode(GL_TEXTURE);
|
|
glLoadIdentity();
|
|
if (fUseClrModMap)
|
|
{
|
|
if (shaders[0])
|
|
{
|
|
glActiveTexture(GL_TEXTURE3);
|
|
glLoadIdentity();
|
|
C4Surface * pSurface = pClrModMap->GetSurface();
|
|
glScalef(1.0f/(pClrModMap->GetResolutionX()*(*pSurface->ppTex)->iSizeX), 1.0f/(pClrModMap->GetResolutionY()*(*pSurface->ppTex)->iSizeY), 1.0f);
|
|
glTranslatef(float(-pClrModMap->OffX), float(-pClrModMap->OffY), 0.0f);
|
|
|
|
glClientActiveTexture(GL_TEXTURE3);
|
|
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
|
|
glTexCoordPointer(2, GL_FLOAT, sizeof(C4BltVertex), &vtx[0].ftx);
|
|
glClientActiveTexture(GL_TEXTURE0);
|
|
}
|
|
else
|
|
{
|
|
ModulateClr(dwClr1, pClrModMap->GetModAt(lrintf(x1), lrintf(y1)));
|
|
ModulateClr(dwClr, pClrModMap->GetModAt(lrintf(x2), lrintf(y2)));
|
|
}
|
|
}
|
|
glMatrixMode(GL_MODELVIEW);
|
|
glLoadIdentity();
|
|
DwTo4UB(dwClr1,vtx[0].color);
|
|
DwTo4UB(dwClr1,vtx[1].color);
|
|
DwTo4UB(dwClr,vtx[2].color);
|
|
DwTo4UB(dwClr,vtx[3].color);
|
|
vtx[0].tx = 0; vtx[0].ty = 0;
|
|
vtx[1].tx = 0; vtx[1].ty = 2;
|
|
vtx[2].tx = 1; vtx[2].ty = 2;
|
|
vtx[3].tx = 1; vtx[3].ty = 0;
|
|
// draw two triangles
|
|
glActiveTexture(GL_TEXTURE0);
|
|
glBindTexture(GL_TEXTURE_2D, lines_tex);
|
|
glInterleavedArrays(GL_T2F_C4UB_V3F, sizeof(C4BltVertex), vtx);
|
|
glDrawArrays(GL_POLYGON, 0, 4);
|
|
glClientActiveTexture(GL_TEXTURE3);
|
|
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
|
|
glClientActiveTexture(GL_TEXTURE0);
|
|
ResetTexture();
|
|
}
|
|
else
|
|
{
|
|
// emulate
|
|
if (!LockSurfaceGlobal(sfcTarget)) return;
|
|
ForLine((int32_t)x1,(int32_t)y1,(int32_t)x2,(int32_t)y2,&DLineSPixDw,(int) dwClr);
|
|
UnLockSurfaceGlobal(sfcTarget);
|
|
}
|
|
}
|
|
|
|
void CStdGL::PerformPix(C4Surface * sfcTarget, float tx, float ty, DWORD dwClr)
|
|
{
|
|
// render target?
|
|
if (sfcTarget->IsRenderTarget())
|
|
{
|
|
if (!PrepareRendering(sfcTarget)) return;
|
|
int iAdditive = dwBlitMode & C4GFXBLIT_ADDITIVE;
|
|
// use a different blendfunc here because of GL_POINT_SMOOTH
|
|
glBlendFunc(GL_SRC_ALPHA, iAdditive ? GL_ONE : GL_ONE_MINUS_SRC_ALPHA);
|
|
// convert the alpha value for that blendfunc
|
|
glBegin(GL_POINTS);
|
|
glColorDw(dwClr);
|
|
glVertex2f(tx + 0.5f, ty + 0.5f);
|
|
glEnd();
|
|
}
|
|
else
|
|
{
|
|
// emulate
|
|
sfcTarget->SetPixDw((int)tx, (int)ty, dwClr);
|
|
}
|
|
}
|
|
|
|
static void DefineShaderARB(const char * p, GLuint & s)
|
|
{
|
|
glBindProgramARB (GL_FRAGMENT_PROGRAM_ARB, s);
|
|
glProgramStringARB (GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB, strlen(p), p);
|
|
if (GL_INVALID_OPERATION == glGetError())
|
|
{
|
|
GLint errPos; glGetIntegerv (GL_PROGRAM_ERROR_POSITION_ARB, &errPos);
|
|
fprintf (stderr, "ARB program%d:%d: Error: %s\n", s, errPos, glGetString (GL_PROGRAM_ERROR_STRING_ARB));
|
|
s = 0;
|
|
}
|
|
}
|
|
|
|
bool CStdGL::RestoreDeviceObjects()
|
|
{
|
|
assert(pMainCtx);
|
|
// delete any previous objects
|
|
InvalidateDeviceObjects();
|
|
|
|
// set states
|
|
Active = pMainCtx->Select();
|
|
RenderTarget = pApp->pWindow->pSurface;
|
|
|
|
// BGRA Pixel Formats, Multitexturing, Texture Combine Environment Modes
|
|
// Check for GL 1.2 and two functions from 1.3 we need.
|
|
if( !GLEW_VERSION_1_2 ||
|
|
glActiveTexture == NULL ||
|
|
glClientActiveTexture == NULL
|
|
) {
|
|
return Error(" gl: OpenGL Version 1.3 or higher required. A better graphics driver will probably help.");
|
|
}
|
|
|
|
// lines texture
|
|
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
|
|
glGenTextures(1, &lines_tex);
|
|
glBindTexture(GL_TEXTURE_2D, lines_tex);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_MIRRORED_REPEAT);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_MIRRORED_REPEAT);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
|
const char * linedata = byByteCnt == 2 ? "\xff\xf0\xff\xff" : "\xff\xff\xff\x00\xff\xff\xff\xff";
|
|
glTexImage2D(GL_TEXTURE_2D, 0, 4, 1, 2, 0, GL_BGRA, byByteCnt == 2 ? GL_UNSIGNED_SHORT_4_4_4_4_REV : GL_UNSIGNED_INT_8_8_8_8_REV, linedata);
|
|
|
|
|
|
MaxTexSize = 64;
|
|
GLint s = 0;
|
|
glGetIntegerv(GL_MAX_TEXTURE_SIZE, &s);
|
|
if (s>0) MaxTexSize = s;
|
|
|
|
// restore gamma if active
|
|
if (Active)
|
|
EnableGamma();
|
|
// reset blit states
|
|
dwBlitMode = 0;
|
|
|
|
// Vertex Buffer Objects crash some versions of the free radeon driver. TODO: provide an option for them
|
|
if (0 && GLEW_ARB_vertex_buffer_object)
|
|
{
|
|
glGenBuffersARB(1, &vbo);
|
|
glBindBufferARB(GL_ARRAY_BUFFER_ARB, vbo);
|
|
glBufferDataARB(GL_ARRAY_BUFFER_ARB, 8 * sizeof(C4BltVertex), 0, GL_STREAM_DRAW_ARB);
|
|
}
|
|
|
|
if (!Config.Graphics.EnableShaders)
|
|
{
|
|
}
|
|
else if (!shaders[0] && GLEW_ARB_fragment_program)
|
|
{
|
|
glGenProgramsARB (sizeof(shaders)/sizeof(*shaders), shaders);
|
|
const char * preface =
|
|
"!!ARBfp1.0\n"
|
|
"TEMP tmp;\n"
|
|
// sample the texture
|
|
"TXP tmp, fragment.texcoord[0], texture, 2D;\n";
|
|
const char * alpha_mod =
|
|
// perform the modulation
|
|
"MUL tmp.rgba, tmp, fragment.color.primary;\n";
|
|
const char * funny_add =
|
|
// perform the modulation
|
|
"ADD tmp.rgb, tmp, fragment.color.primary;\n"
|
|
"MUL tmp.a, tmp, fragment.color.primary;\n"
|
|
"MAD_SAT tmp, tmp, { 2.0, 2.0, 2.0, 1.0 }, { -1.0, -1.0, -1.0, 0.0 };\n";
|
|
const char * grey =
|
|
"TEMP grey;\n"
|
|
"DP3 grey, tmp, { 0.299, 0.587, 0.114, 1.0 };\n"
|
|
"LRP tmp.rgb, program.local[0], tmp, grey;\n";
|
|
const char * landscape =
|
|
"TEMP col;\n"
|
|
"MOV col.x, program.local[1].x;\n" //Load color to indentify
|
|
"ADD col.y, col.x, 0.001;\n"
|
|
"SUB col.z, col.x, 0.001;\n" //epsilon-range
|
|
"SGE tmp.r, tmp.b, 0.5015;\n" //Tunnel?
|
|
"MAD tmp.r, tmp.r, -0.5019, tmp.b;\n"
|
|
"SGE col.z, tmp.r, col.z;\n" //mat identified?
|
|
"SLT col.y, tmp.r, col.y;\n"
|
|
"TEMP coo;\n"
|
|
"MOV coo, fragment.texcoord;\n"
|
|
"MUL coo.xy, coo, 3.0;\n"
|
|
"TXP tmp, coo, texture[1], 2D;\n"
|
|
"MUL tmp.a, col.y, col.z;\n";
|
|
const char * fow =
|
|
"TEMP fow;\n"
|
|
// sample the texture
|
|
"TXP fow, fragment.texcoord[3], texture[3], 2D;\n"
|
|
"LRP tmp.rgb, fow.aaaa, tmp, fow;\n";
|
|
const char * end =
|
|
"MOV result.color, tmp;\n"
|
|
"END\n";
|
|
DefineShaderARB(FormatString("%s%s%s", preface, alpha_mod, end).getData(), shaders[0]);
|
|
DefineShaderARB(FormatString("%s%s%s", preface, funny_add, end).getData(), shaders[1]);
|
|
DefineShaderARB(FormatString("%s%s%s%s", preface, landscape, alpha_mod, end).getData(), shaders[2]);
|
|
DefineShaderARB(FormatString("%s%s%s%s", preface, alpha_mod, grey, end).getData(), shaders[3]);
|
|
DefineShaderARB(FormatString("%s%s%s%s", preface, funny_add, grey, end).getData(), shaders[4]);
|
|
DefineShaderARB(FormatString("%s%s%s%s%s", preface, landscape, alpha_mod, grey, end).getData(), shaders[5]);
|
|
DefineShaderARB(FormatString("%s%s%s%s", preface, alpha_mod, fow, end).getData(), shaders[6]);
|
|
DefineShaderARB(FormatString("%s%s%s%s", preface, funny_add, fow, end).getData(), shaders[7]);
|
|
DefineShaderARB(FormatString("%s%s%s%s%s", preface, landscape, alpha_mod, fow, end).getData(), shaders[8]);
|
|
DefineShaderARB(FormatString("%s%s%s%s%s", preface, alpha_mod, grey, fow, end).getData(), shaders[9]);
|
|
DefineShaderARB(FormatString("%s%s%s%s%s", preface, funny_add, grey, fow, end).getData(), shaders[10]);
|
|
DefineShaderARB(FormatString("%s%s%s%s%s%s", preface, landscape, alpha_mod, grey, fow, end).getData(), shaders[11]);
|
|
}
|
|
// done
|
|
return Active;
|
|
}
|
|
|
|
bool CStdGL::InvalidateDeviceObjects()
|
|
{
|
|
bool fSuccess=true;
|
|
// clear gamma
|
|
#ifndef USE_SDL_MAINLOOP
|
|
DisableGamma();
|
|
#endif
|
|
// deactivate
|
|
Active=false;
|
|
// invalidate font objects
|
|
// invalidate primary surfaces
|
|
if (lines_tex)
|
|
{
|
|
glDeleteTextures(1, &lines_tex);
|
|
lines_tex = 0;
|
|
}
|
|
if (shaders[0])
|
|
{
|
|
glDeleteProgramsARB(sizeof(shaders)/sizeof(*shaders), shaders);
|
|
shaders[0] = 0;
|
|
}
|
|
if (vbo)
|
|
{
|
|
glDeleteBuffersARB(1, &vbo);
|
|
vbo = 0;
|
|
}
|
|
return fSuccess;
|
|
}
|
|
|
|
void CStdGL::SetTexture()
|
|
{
|
|
glBlendFunc(GL_SRC_ALPHA, (dwBlitMode & C4GFXBLIT_ADDITIVE) ? GL_ONE : GL_ONE_MINUS_SRC_ALPHA);
|
|
if (shaders[0])
|
|
{
|
|
glEnable(GL_FRAGMENT_PROGRAM_ARB);
|
|
if (fUseClrModMap)
|
|
{
|
|
glActiveTexture(GL_TEXTURE3);
|
|
glEnable(GL_TEXTURE_2D);
|
|
glBindTexture(GL_TEXTURE_2D, (*pClrModMap->GetSurface()->ppTex)->texName);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
|
glActiveTexture(GL_TEXTURE0);
|
|
}
|
|
}
|
|
glEnable(GL_TEXTURE_2D);
|
|
}
|
|
|
|
void CStdGL::ResetTexture()
|
|
{
|
|
// disable texturing
|
|
if (shaders[0])
|
|
{
|
|
glDisable(GL_FRAGMENT_PROGRAM_ARB);
|
|
glActiveTexture(GL_TEXTURE3);
|
|
glDisable(GL_TEXTURE_2D);
|
|
glActiveTexture(GL_TEXTURE0);
|
|
}
|
|
glDisable(GL_TEXTURE_2D);
|
|
}
|
|
|
|
bool CStdGL::Error(const char *szMsg)
|
|
{
|
|
LogF(" gl: %s", glGetString(GL_VENDOR));
|
|
LogF(" gl: %s", glGetString(GL_RENDERER));
|
|
LogF(" gl: %s", glGetString(GL_VERSION));
|
|
LogF(" gl: %s", glGetString(GL_EXTENSIONS));
|
|
return C4Draw::Error(szMsg);
|
|
}
|
|
|
|
bool CStdGL::CheckGLError(const char *szAtOp)
|
|
{
|
|
GLenum err = glGetError();
|
|
if (!err) return true;
|
|
Log(szAtOp);
|
|
switch (err)
|
|
{
|
|
case GL_INVALID_ENUM: Log("GL_INVALID_ENUM"); break;
|
|
case GL_INVALID_VALUE: Log("GL_INVALID_VALUE"); break;
|
|
case GL_INVALID_OPERATION: Log("GL_INVALID_OPERATION"); break;
|
|
case GL_STACK_OVERFLOW: Log("GL_STACK_OVERFLOW"); break;
|
|
case GL_STACK_UNDERFLOW: Log("GL_STACK_UNDERFLOW"); break;
|
|
case GL_OUT_OF_MEMORY: Log("GL_OUT_OF_MEMORY"); break;
|
|
default: Log("unknown error"); break;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
CStdGL *pGL=NULL;
|
|
|
|
void CStdGL::TaskOut()
|
|
{
|
|
// deactivate
|
|
// backup textures
|
|
#ifdef USE_WIN32_WINDOWS
|
|
if (pTexMgr && !Editor) pTexMgr->IntLock();
|
|
if (pCurrCtx) pCurrCtx->Deselect();
|
|
|
|
if (!Editor && !Config.Graphics.Windowed)
|
|
{
|
|
::ChangeDisplaySettings(NULL, 0);
|
|
if(pMainCtx && pMainCtx->pWindow)
|
|
::ShowWindow(pMainCtx->pWindow->hWindow, SW_MINIMIZE);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void CStdGL::TaskIn()
|
|
{
|
|
// restore gl
|
|
//if (!DeviceReady()) MainCtx.Init(pWindow, pApp);
|
|
#ifdef USE_WIN32_WINDOWS
|
|
// restore textures
|
|
if (pTexMgr && !Editor) pTexMgr->IntUnlock();
|
|
|
|
if (!Editor && !Config.Graphics.Windowed)
|
|
{
|
|
Application.SetVideoMode(Config.Graphics.ResX, Config.Graphics.ResY, Config.Graphics.BitDepth, Config.Graphics.RefreshRate, Config.Graphics.Monitor, !Config.Graphics.Windowed);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
bool CStdGL::OnResolutionChanged(unsigned int iXRes, unsigned int iYRes)
|
|
{
|
|
// Re-create primary clipper to adapt to new size.
|
|
CreatePrimaryClipper(iXRes, iYRes);
|
|
RestoreDeviceObjects();
|
|
return true;
|
|
}
|
|
|
|
void CStdGL::Default()
|
|
{
|
|
C4Draw::Default();
|
|
pCurrCtx = NULL;
|
|
iPixelFormat=0;
|
|
sfcFmt=0;
|
|
iClrDpt=0;
|
|
}
|
|
|
|
#endif // USE_GL
|