1ef4c721a0
Added Bullet SAP/MultiSAP support by Erwin Coumans (BulletSAPCompleteBoxPruningTest.*) AABB tree broadphase by Nathanael Presson (btDbvt.*, DbvtTest.*)
575 lines
17 KiB
C++
575 lines
17 KiB
C++
// ---------------------------------------------------------------------------
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//
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// @file TwOpenGL.cpp
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// @author Philippe Decaudin - http://www.antisphere.com
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// @license This file is part of the AntTweakBar library.
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// Copyright © 2005, 2006 Philippe Decaudin.
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// For conditions of distribution and use, see License.txt
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//
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// note: TAB=4
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//
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// ---------------------------------------------------------------------------
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#include "TwPrecomp.h"
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#include "LoadOGL.h"
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#include "TwOpenGL.h"
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#include "TwMgr.h"
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using namespace std;
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const char *g_ErrCantLoadOGL = "Cannot load OpenGL library dynamically";
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const char *g_ErrCantUnloadOGL = "Cannot unload OpenGL library";
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GLuint g_SmallFontTexID = 0;
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GLuint g_NormalFontTexID = 0;
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GLuint g_LargeFontTexID = 0;
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// ---------------------------------------------------------------------------
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// Extensions
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typedef void (APIENTRY * PFNGLBindBufferARB)(GLenum target, GLuint buffer);
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typedef void (APIENTRY * PFNGLBindProgramARB)(GLenum target, GLuint program);
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typedef GLuint (APIENTRY * PFNGLGetHandleARB)(GLenum pname);
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typedef void (APIENTRY * PFNGLUseProgramObjectARB)(GLuint programObj);
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PFNGLBindBufferARB _glBindBufferARB = NULL;
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PFNGLBindProgramARB _glBindProgramARB = NULL;
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PFNGLGetHandleARB _glGetHandleARB = NULL;
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PFNGLUseProgramObjectARB _glUseProgramObjectARB = NULL;
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#ifndef GL_ARRAY_BUFFER_ARB
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# define GL_ARRAY_BUFFER_ARB 0x8892
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#endif
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#ifndef GL_ELEMENT_ARRAY_BUFFER_ARB
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# define GL_ELEMENT_ARRAY_BUFFER_ARB 0x8893
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#endif
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#ifndef GL_ARRAY_BUFFER_BINDING_ARB
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# define GL_ARRAY_BUFFER_BINDING_ARB 0x8894
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#endif
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#ifndef GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB
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# define GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB 0x8895
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#endif
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#ifndef GL_VERTEX_PROGRAM_ARB
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# define GL_VERTEX_PROGRAM_ARB 0x8620
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#endif
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#ifndef GL_FRAGMENT_PROGRAM_ARB
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# define GL_FRAGMENT_PROGRAM_ARB 0x8804
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#endif
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#ifndef GL_PROGRAM_OBJECT_ARB
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# define GL_PROGRAM_OBJECT_ARB 0x8B40
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#endif
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// ---------------------------------------------------------------------------
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static GLuint BindFont(const CTexFont *_Font)
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{
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GLuint TexID = 0;
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_glGenTextures(1, &TexID);
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_glBindTexture(GL_TEXTURE_2D, TexID);
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_glPixelStorei(GL_UNPACK_SWAP_BYTES, GL_FALSE);
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_glPixelStorei(GL_UNPACK_LSB_FIRST, GL_FALSE);
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_glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
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_glPixelStorei(GL_UNPACK_SKIP_ROWS, 0);
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_glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0);
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_glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
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_glPixelTransferf(GL_ALPHA_SCALE, 1);
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_glPixelTransferf(GL_ALPHA_BIAS, 0);
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_glPixelTransferf(GL_RED_BIAS, 1);
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_glPixelTransferf(GL_GREEN_BIAS, 1);
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_glPixelTransferf(GL_BLUE_BIAS, 1);
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_glTexImage2D(GL_TEXTURE_2D, 0, 4, _Font->m_TexWidth, _Font->m_TexHeight, 0, GL_ALPHA, GL_UNSIGNED_BYTE, _Font->m_TexBytes);
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_glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
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_glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
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_glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER,GL_NEAREST);
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_glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,GL_NEAREST);
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_glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
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_glBindTexture(GL_TEXTURE_2D, 0);
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_glPixelTransferf(GL_ALPHA_BIAS, 0);
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_glPixelTransferf(GL_RED_BIAS, 0);
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_glPixelTransferf(GL_GREEN_BIAS, 0);
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_glPixelTransferf(GL_BLUE_BIAS, 0);
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return TexID;
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}
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static void UnbindFont(GLuint _FontTexID)
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{
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if( _FontTexID>0 )
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_glDeleteTextures(1, &_FontTexID);
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}
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// ---------------------------------------------------------------------------
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int CTwGraphOpenGL::Init()
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{
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if( LoadOpenGL()==0 )
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{
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g_TwMgr->SetLastError(g_ErrCantLoadOGL);
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return 0;
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}
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m_Drawing = false;
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m_FontTexID = 0;
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m_FontTex = NULL;
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m_MaxClipPlanes = -1;
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// Get extensions
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_glBindBufferARB = reinterpret_cast<PFNGLBindBufferARB>(_glGetProcAddress("glBindBufferARB"));
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_glBindProgramARB = reinterpret_cast<PFNGLBindProgramARB>(_glGetProcAddress("glBindProgramARB"));
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_glGetHandleARB = reinterpret_cast<PFNGLGetHandleARB>(_glGetProcAddress("glGetHandleARB"));
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_glUseProgramObjectARB = reinterpret_cast<PFNGLUseProgramObjectARB>(_glGetProcAddress("glUseProgramObjectARB"));
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return 1;
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}
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// ---------------------------------------------------------------------------
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int CTwGraphOpenGL::Shut()
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{
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assert(m_Drawing==false);
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UnbindFont(m_FontTexID);
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int Res = 1;
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if( UnloadOpenGL()==0 )
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{
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g_TwMgr->SetLastError(g_ErrCantUnloadOGL);
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Res = 0;
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}
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return Res;
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}
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// ---------------------------------------------------------------------------
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void CTwGraphOpenGL::BeginDraw(int _WndWidth, int _WndHeight)
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{
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assert(m_Drawing==false && _WndWidth>0 && _WndHeight>0);
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m_Drawing = true;
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#ifdef _DEBUG
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{
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int err=0;
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char msg[128];
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while( (err=_glGetError())!=0 )
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{
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sprintf(msg, "Before BeginDraw GL_ERROR=0x%x\n", err);
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#ifdef ANT_WINDOWS
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OutputDebugString(msg);
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#endif
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fprintf(stderr, msg);
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}
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}
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#endif
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_glPushAttrib(GL_ALL_ATTRIB_BITS);
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_glPushClientAttrib(GL_CLIENT_ALL_ATTRIB_BITS);
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_glMatrixMode(GL_TEXTURE);
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_glPushMatrix();
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_glLoadIdentity();
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_glMatrixMode(GL_MODELVIEW);
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_glPushMatrix();
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_glLoadIdentity();
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_glMatrixMode(GL_PROJECTION);
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_glPushMatrix();
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GLint Vp[4];
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_glGetIntegerv(GL_VIEWPORT, Vp);
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/*
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if( _WndWidth>0 && _WndHeight>0 )
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{
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Vp[0] = 0;
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Vp[1] = 0;
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Vp[2] = _WndWidth;
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Vp[3] = _WndHeight;
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_glViewport(Vp[0], Vp[1], Vp[2], Vp[3]);
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}
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_glLoadIdentity();
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//_glOrtho(Vp[0], Vp[0]+Vp[2]-1, Vp[1]+Vp[3]-1, Vp[1], -1, 1); // Doesn't work
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_glOrtho(Vp[0], Vp[0]+Vp[2], Vp[1]+Vp[3], Vp[1], -1, 1);
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*/
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if( _WndWidth>0 && _WndHeight>0 )
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{
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Vp[0] = 0;
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Vp[1] = 0;
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Vp[2] = _WndWidth-1;
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Vp[3] = _WndHeight-1;
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_glViewport(Vp[0], Vp[1], Vp[2], Vp[3]);
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}
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_glLoadIdentity();
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_glOrtho(Vp[0], Vp[0]+Vp[2], Vp[1]+Vp[3], Vp[1], -1, 1);
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_glGetFloatv(GL_LINE_WIDTH, &m_PrevLineWidth);
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_glDisable(GL_POLYGON_STIPPLE);
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_glLineWidth(1);
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_glDisable(GL_LINE_SMOOTH);
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_glDisable(GL_LINE_STIPPLE);
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_glDisable(GL_CULL_FACE);
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_glDisable(GL_DEPTH_TEST);
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_glDisable(GL_LIGHTING);
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_glEnable(GL_BLEND);
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_glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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_glGetTexEnviv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, &m_PrevTexEnv);
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_glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
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_glGetIntegerv(GL_POLYGON_MODE, m_PrevPolygonMode);
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_glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
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_glDisable(GL_ALPHA_TEST);
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//_glEnable(GL_ALPHA_TEST);
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//_glAlphaFunc(GL_GREATER, 0);
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_glDisable(GL_FOG);
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_glDisable(GL_LOGIC_OP);
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_glDisable(GL_SCISSOR_TEST);
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if( m_MaxClipPlanes<0 )
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{
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_glGetIntegerv(GL_MAX_CLIP_PLANES, &m_MaxClipPlanes);
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if( m_MaxClipPlanes<0 || m_MaxClipPlanes>255 )
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m_MaxClipPlanes = 6;
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}
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for( int i=0; i<m_MaxClipPlanes; ++i )
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_glDisable(GL_CLIP_PLANE0+i);
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m_PrevTexture = 0;
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_glGetIntegerv(GL_TEXTURE_BINDING_2D, &m_PrevTexture);
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_glDisableClientState(GL_VERTEX_ARRAY);
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_glDisableClientState(GL_NORMAL_ARRAY);
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_glDisableClientState(GL_TEXTURE_COORD_ARRAY);
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_glDisableClientState(GL_INDEX_ARRAY);
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_glDisableClientState(GL_COLOR_ARRAY);
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_glDisableClientState(GL_EDGE_FLAG_ARRAY);
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if( _glBindBufferARB!=NULL )
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{
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m_PrevArrayBufferARB = m_PrevElementArrayBufferARB = 0;
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_glGetIntegerv(GL_ARRAY_BUFFER_BINDING_ARB, &m_PrevArrayBufferARB);
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_glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB, &m_PrevElementArrayBufferARB);
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_glBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
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_glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
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}
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if( _glBindProgramARB!=NULL )
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{
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m_PrevVertexProgramARB = _glIsEnabled(GL_VERTEX_PROGRAM_ARB);
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m_PrevFragmentProgramARB = _glIsEnabled(GL_FRAGMENT_PROGRAM_ARB);
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_glDisable(GL_VERTEX_PROGRAM_ARB);
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_glDisable(GL_FRAGMENT_PROGRAM_ARB);
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}
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if( _glGetHandleARB!=NULL && _glUseProgramObjectARB!=NULL )
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{
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m_PrevProgramObjectARB = _glGetHandleARB(GL_PROGRAM_OBJECT_ARB);
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_glUseProgramObjectARB(0);
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}
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}
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// ---------------------------------------------------------------------------
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void CTwGraphOpenGL::EndDraw()
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{
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assert(m_Drawing==true);
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m_Drawing = false;
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_glBindTexture(GL_TEXTURE_2D, m_PrevTexture);
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if( _glBindBufferARB!=NULL )
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{
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_glBindBufferARB(GL_ARRAY_BUFFER_ARB, m_PrevArrayBufferARB);
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_glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, m_PrevElementArrayBufferARB);
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}
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if( _glBindProgramARB!=NULL )
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{
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if( m_PrevVertexProgramARB )
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_glEnable(GL_VERTEX_PROGRAM_ARB);
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if( m_PrevFragmentProgramARB )
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_glEnable(GL_FRAGMENT_PROGRAM_ARB);
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}
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if( _glGetHandleARB!=NULL && _glUseProgramObjectARB!=NULL )
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_glUseProgramObjectARB(m_PrevProgramObjectARB);
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_glPolygonMode(GL_FRONT, m_PrevPolygonMode[0]);
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_glPolygonMode(GL_BACK, m_PrevPolygonMode[1]);
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_glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, m_PrevTexEnv);
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_glLineWidth(m_PrevLineWidth);
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_glMatrixMode(GL_PROJECTION);
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_glPopMatrix();
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_glMatrixMode(GL_MODELVIEW);
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_glPopMatrix();
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_glMatrixMode(GL_TEXTURE);
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_glPopMatrix();
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_glPopClientAttrib();
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_glPopAttrib();
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#ifdef _DEBUG
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{
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int err=0;
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char msg[128];
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while( (err=_glGetError())!=0 )
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{
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sprintf(msg, "After EndDraw GL_ERROR=0x%x\n", err);
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#ifdef ANT_WINDOWS
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OutputDebugString(msg);
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#endif
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fprintf(stderr, msg);
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}
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}
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#endif
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}
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// ---------------------------------------------------------------------------
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bool CTwGraphOpenGL::IsDrawing()
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{
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return m_Drawing;
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}
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// ---------------------------------------------------------------------------
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void CTwGraphOpenGL::Restore()
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{
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UnbindFont(m_FontTexID);
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m_FontTexID = 0;
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m_FontTex = NULL;
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}
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// ---------------------------------------------------------------------------
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void CTwGraphOpenGL::DrawLine(int _X0, int _Y0, int _X1, int _Y1, color32 _Color0, color32 _Color1, bool _AntiAliased)
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{
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assert(m_Drawing==true);
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/*
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// border adjustment NO!!
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if(_X0<_X1)
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++_X1;
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else if(_X0>_X1)
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++_X0;
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if(_Y0<_Y1)
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++_Y1;
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else if(_Y0>_Y1)
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++_Y0;
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*/
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const GLfloat dx = +0.0f;
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//GLfloat dy = -0.2f;
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const GLfloat dy = -0.5f;
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if( _AntiAliased )
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_glEnable(GL_LINE_SMOOTH);
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else
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_glDisable(GL_LINE_SMOOTH);
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_glDisable(GL_TEXTURE_2D);
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_glMatrixMode(GL_MODELVIEW);
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_glLoadIdentity();
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_glBegin(GL_LINES);
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_glColor4ub(GLubyte(_Color0>>16), GLubyte(_Color0>>8), GLubyte(_Color0), GLubyte(_Color0>>24));
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_glVertex2f((GLfloat)_X0+dx, (GLfloat)_Y0+dy);
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_glColor4ub(GLubyte(_Color1>>16), GLubyte(_Color1>>8), GLubyte(_Color1), GLubyte(_Color1>>24));
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_glVertex2f((GLfloat)_X1+dx, (GLfloat)_Y1+dy);
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//_glVertex2i(_X0, _Y0);
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//_glVertex2i(_X1, _Y1);
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_glEnd();
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_glDisable(GL_LINE_SMOOTH);
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}
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// ---------------------------------------------------------------------------
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void CTwGraphOpenGL::DrawRect(int _X0, int _Y0, int _X1, int _Y1, color32 _Color00, color32 _Color10, color32 _Color01, color32 _Color11)
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{
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assert(m_Drawing==true);
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/*
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// border adjustment
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if(_X0<_X1)
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++_X1;
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else if(_X0>_X1)
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++_X0;
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if(_Y0<_Y1)
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++_Y1;
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else if(_Y0>_Y1)
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++_Y0;
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*/
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// border adjustment
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if(_X0<_X1)
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++_X1;
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else if(_X0>_X1)
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++_X0;
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if(_Y0<_Y1)
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--_Y0;
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else if(_Y0>_Y1)
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--_Y1;
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const GLfloat dx = +0.0f;
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const GLfloat dy = +0.0f;
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_glDisable(GL_TEXTURE_2D);
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_glMatrixMode(GL_MODELVIEW);
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_glLoadIdentity();
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//GLubyte r = GLubyte(_Color>>16);
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//GLubyte g = GLubyte(_Color>>8);
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//GLubyte b = GLubyte(_Color);
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//GLubyte a = GLubyte(_Color>>24);
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//_glColor4ub(GLubyte(_Color>>16), GLubyte(_Color>>8), GLubyte(_Color), GLubyte(_Color>>24));
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//_glColor4ub(r, g, b, a);
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_glBegin(GL_QUADS);
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_glColor4ub(GLubyte(_Color00>>16), GLubyte(_Color00>>8), GLubyte(_Color00), GLubyte(_Color00>>24));
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_glVertex2f((GLfloat)_X0+dx, (GLfloat)_Y0+dy);
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_glColor4ub(GLubyte(_Color10>>16), GLubyte(_Color10>>8), GLubyte(_Color10), GLubyte(_Color10>>24));
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_glVertex2f((GLfloat)_X1+dx, (GLfloat)_Y0+dy);
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_glColor4ub(GLubyte(_Color11>>16), GLubyte(_Color11>>8), GLubyte(_Color11), GLubyte(_Color11>>24));
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_glVertex2f((GLfloat)_X1+dx, (GLfloat)_Y1+dy);
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_glColor4ub(GLubyte(_Color01>>16), GLubyte(_Color01>>8), GLubyte(_Color01), GLubyte(_Color01>>24));
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_glVertex2f((GLfloat)_X0+dx, (GLfloat)_Y1+dy);
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_glEnd();
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}
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// ---------------------------------------------------------------------------
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void *CTwGraphOpenGL::NewTextObj()
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{
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return new CTextObj;
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}
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// ---------------------------------------------------------------------------
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void CTwGraphOpenGL::DeleteTextObj(void *_TextObj)
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{
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assert(_TextObj!=NULL);
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delete static_cast<CTextObj *>(_TextObj);
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}
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// ---------------------------------------------------------------------------
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void CTwGraphOpenGL::BuildText(void *_TextObj, const std::string *_TextLines, color32 *_LineColors, color32 *_LineBgColors, int _NbLines, const CTexFont *_Font, int _Sep, int _BgWidth)
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{
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assert(m_Drawing==true);
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assert(_TextObj!=NULL);
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assert(_Font!=NULL);
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if( _Font != m_FontTex )
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{
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UnbindFont(m_FontTexID);
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m_FontTexID = BindFont(_Font);
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m_FontTex = _Font;
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}
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CTextObj *TextObj = static_cast<CTextObj *>(_TextObj);
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TextObj->m_TextVerts.resize(0);
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TextObj->m_TextUVs.resize(0);
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TextObj->m_BgVerts.resize(0);
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TextObj->m_Colors.resize(0);
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TextObj->m_BgColors.resize(0);
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int x, x1, y, y1, i, Len;
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unsigned char ch;
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const unsigned char *Text;
|
|
color32 LineColor = COLOR32_RED;
|
|
for( int Line=0; Line<_NbLines; ++Line )
|
|
{
|
|
x = 0;
|
|
y = Line * (_Font->m_CharHeight+_Sep);
|
|
y1 = y+_Font->m_CharHeight;
|
|
Len = (int)_TextLines[Line].length();
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|
Text = (const unsigned char *)(_TextLines[Line].c_str());
|
|
if( _LineColors!=NULL )
|
|
LineColor = (_LineColors[Line]&0xff00ff00) | GLubyte(_LineColors[Line]>>16) | (GLubyte(_LineColors[Line])<<16);
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|
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for( i=0; i<Len; ++i )
|
|
{
|
|
ch = Text[i];
|
|
x1 = x + _Font->m_CharWidth[ch];
|
|
|
|
TextObj->m_TextVerts.push_back(Vec2(x , y ));
|
|
TextObj->m_TextVerts.push_back(Vec2(x1, y ));
|
|
TextObj->m_TextVerts.push_back(Vec2(x , y1));
|
|
TextObj->m_TextVerts.push_back(Vec2(x1, y ));
|
|
TextObj->m_TextVerts.push_back(Vec2(x1, y1));
|
|
TextObj->m_TextVerts.push_back(Vec2(x , y1));
|
|
|
|
TextObj->m_TextUVs.push_back(Vec2(_Font->m_CharU0[ch], _Font->m_CharV0[ch]));
|
|
TextObj->m_TextUVs.push_back(Vec2(_Font->m_CharU1[ch], _Font->m_CharV0[ch]));
|
|
TextObj->m_TextUVs.push_back(Vec2(_Font->m_CharU0[ch], _Font->m_CharV1[ch]));
|
|
TextObj->m_TextUVs.push_back(Vec2(_Font->m_CharU1[ch], _Font->m_CharV0[ch]));
|
|
TextObj->m_TextUVs.push_back(Vec2(_Font->m_CharU1[ch], _Font->m_CharV1[ch]));
|
|
TextObj->m_TextUVs.push_back(Vec2(_Font->m_CharU0[ch], _Font->m_CharV1[ch]));
|
|
|
|
if( _LineColors!=NULL )
|
|
{
|
|
TextObj->m_Colors.push_back(LineColor);
|
|
TextObj->m_Colors.push_back(LineColor);
|
|
TextObj->m_Colors.push_back(LineColor);
|
|
TextObj->m_Colors.push_back(LineColor);
|
|
TextObj->m_Colors.push_back(LineColor);
|
|
TextObj->m_Colors.push_back(LineColor);
|
|
}
|
|
|
|
x = x1;
|
|
}
|
|
if( _BgWidth>0 && Len>0 )
|
|
{
|
|
TextObj->m_BgVerts.push_back(Vec2(-1 , y ));
|
|
TextObj->m_BgVerts.push_back(Vec2(_BgWidth+1, y ));
|
|
TextObj->m_BgVerts.push_back(Vec2(-1 , y1));
|
|
TextObj->m_BgVerts.push_back(Vec2(_BgWidth+1, y ));
|
|
TextObj->m_BgVerts.push_back(Vec2(_BgWidth+1, y1));
|
|
TextObj->m_BgVerts.push_back(Vec2(-1 , y1));
|
|
|
|
if( _LineBgColors!=NULL )
|
|
{
|
|
color32 LineBgColor = (_LineBgColors[Line]&0xff00ff00) | GLubyte(_LineBgColors[Line]>>16) | (GLubyte(_LineBgColors[Line])<<16);
|
|
TextObj->m_BgColors.push_back(LineBgColor);
|
|
TextObj->m_BgColors.push_back(LineBgColor);
|
|
TextObj->m_BgColors.push_back(LineBgColor);
|
|
TextObj->m_BgColors.push_back(LineBgColor);
|
|
TextObj->m_BgColors.push_back(LineBgColor);
|
|
TextObj->m_BgColors.push_back(LineBgColor);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
void CTwGraphOpenGL::DrawText(void *_TextObj, int _X, int _Y, color32 _Color, color32 _BgColor)
|
|
{
|
|
assert(m_Drawing==true);
|
|
assert(_TextObj!=NULL);
|
|
CTextObj *TextObj = static_cast<CTextObj *>(_TextObj);
|
|
|
|
if( TextObj->m_TextVerts.size()<4 )
|
|
return; // no character to draw
|
|
|
|
_glMatrixMode(GL_MODELVIEW);
|
|
_glLoadIdentity();
|
|
_glTranslatef((GLfloat)_X, (GLfloat)_Y, 0);
|
|
_glEnableClientState(GL_VERTEX_ARRAY);
|
|
if( (_BgColor!=0 || TextObj->m_BgColors.size()==TextObj->m_BgVerts.size()) && TextObj->m_BgVerts.size()>=4 )
|
|
{
|
|
_glDisable(GL_TEXTURE_2D);
|
|
_glVertexPointer(2, GL_FLOAT, 0, &(TextObj->m_BgVerts[0]));
|
|
if( TextObj->m_BgColors.size()==TextObj->m_BgVerts.size() && _BgColor==0 )
|
|
{
|
|
_glEnableClientState(GL_COLOR_ARRAY);
|
|
_glColorPointer(4, GL_UNSIGNED_BYTE, 0, &(TextObj->m_BgColors[0]));
|
|
}
|
|
else
|
|
{
|
|
_glDisableClientState(GL_COLOR_ARRAY);
|
|
_glColor4ub(GLubyte(_BgColor>>16), GLubyte(_BgColor>>8), GLubyte(_BgColor), GLubyte(_BgColor>>24));
|
|
}
|
|
_glDrawArrays(GL_TRIANGLES, 0, (int)TextObj->m_BgVerts.size());
|
|
}
|
|
_glEnable(GL_TEXTURE_2D);
|
|
_glBindTexture(GL_TEXTURE_2D, m_FontTexID);
|
|
_glEnableClientState(GL_TEXTURE_COORD_ARRAY);
|
|
_glVertexPointer(2, GL_FLOAT, 0, &(TextObj->m_TextVerts[0]));
|
|
_glTexCoordPointer(2, GL_FLOAT, 0, &(TextObj->m_TextUVs[0]));
|
|
if( TextObj->m_Colors.size()==TextObj->m_TextVerts.size() && _Color==0 )
|
|
{
|
|
_glEnableClientState(GL_COLOR_ARRAY);
|
|
_glColorPointer(4, GL_UNSIGNED_BYTE, 0, &(TextObj->m_Colors[0]));
|
|
}
|
|
else
|
|
{
|
|
_glDisableClientState(GL_COLOR_ARRAY);
|
|
_glColor4ub(GLubyte(_Color>>16), GLubyte(_Color>>8), GLubyte(_Color), GLubyte(_Color>>24));
|
|
}
|
|
|
|
_glDrawArrays(GL_TRIANGLES, 0, (int)TextObj->m_TextVerts.size());
|
|
|
|
_glDisableClientState(GL_VERTEX_ARRAY);
|
|
_glDisableClientState(GL_TEXTURE_COORD_ARRAY);
|
|
_glDisableClientState(GL_COLOR_ARRAY);
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|