AllegroGL error

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Nickyu0712 Nickyu0712 is offline Offline
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AllegroGL error

 
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  #1
Aug 1st, 2009
Every time I try to execute my program I get an error:"The instruction at "0x00401585" refereced memory at "0x00000028".The memory could not be "read"". Pleas help me!

I have linked -lagl -lalleg -luser32 -lgdi32 -lopengl32 -lglu32
I can't see the problem.


C++ Syntax (Toggle Plain Text) 
  1. #include <gl\gl.h>
  2. #include <GL\glu.h>
  3.  
  4. #include <allegro.h>
  5. #include <alleggl.h>
  6.  
  7. int timer;
  8.  
  9. void update_timer() {
  10. 	timer++;
  11. }
  12. END_OF_FUNCTION(update_timer);
  13. bool light=true, fog=true;
  14.  
  15. void initGL(bool FULLSCREEN,int h,int w); // initializate openGL
  16. void correctPerspective(GLfloat z1,GLfloat z2); // correct the perspective
  17.  
  18. void DrawScene(GLfloat X,GLfloat Y,GLfloat Z,GLfloat dist);
  19. BITMAP* tex;
  20.  
  21. GLuint	filter;				// Which Filter To Use
  22. GLuint	texture[3];	
  23.  
  24. const GLfloat ACC=0.003f;
  25. const GLfloat DACC=0.002f;
  26.  
  27. void initRendering(); // in this function we enabble GL modules
  28.  
  29. int main() {
  30. 	float d = - 4,rtriX=0,rtriY=0,rtriZ=0,AX=0,AY=0,AZ=0;
  31.  
  32. 	/* Initialize both Allegro and AllegroGL */
  33. 	allegro_init();	
  34. 	initGL(true,1366,768);
  35. 	install_keyboard();
  36. 	install_timer();
  37. 	LOCK_VARIABLE(timer);
  38. 	LOCK_FUNCTION(update_timer);
  39. 	install_int_ex(update_timer, BPS_TO_TIMER(30));
  40. 	tex=load_bitmap("Crate.bmp",NULL);
  41. 	GLfloat LightAmbient[]= { 0.5f, 0.5f, 0.5f, 1.0f }; 
  42. 	GLfloat LightDiffuse[]= { 1.0f, 1.0f, 1.0f, 1.0f };
  43. 	GLfloat LightPosition[]= { 1.0f, 1.0f, 1.0f, 1.0f };	
  44. 	float fogColor[4]={0.3,0.3,0.3,0.6};
  45.  
  46. 	glLightfv(GL_LIGHT1, GL_AMBIENT, LightAmbient);		// Setup The Ambient Light
  47. 	glLightfv(GL_LIGHT1, GL_DIFFUSE, LightDiffuse);		// Setup The Diffuse Light
  48. 	glLightfv(GL_LIGHT1, GL_POSITION,LightPosition);	// Position The Light
  49. 	glEnable(GL_LIGHT1);
  50.  
  51. 	//==============================================
  52. 	glFogfv(GL_FOG_COLOR, fogColor); 
  53. 	glHint(GL_FOG_HINT, GL_NICEST);   
  54.     glFogi(GL_FOG_MODE, GL_LINEAR);
  55.     glFogf(GL_FOG_DENSITY, 0.1);
  56.     glFogf(GL_FOG_START, 1.0);
  57.     glFogf(GL_FOG_END, 8.0);
  58. 	//=================================================
  59.  
  60. 	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // clear color and depth
  61.  
  62. 	initRendering();
  63. 	/* Correct the perspective */
  64. 	correctPerspective(1.5f, 60.0f);
  65. 	glTexEnvi(GL_TEXTURE_2D,GL_TEXTURE_ENV_MODE, GL_DECAL);
  66. 	//============================
  67. 	glGenTextures(3, &texture[0]);					// Create Three Textures
  68.  
  69. 		// Create Nearest Filtered Texture
  70. 		glBindTexture(GL_TEXTURE_2D, texture[0]);
  71. 		glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);
  72. 		glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);
  73. 		glTexImage2D(GL_TEXTURE_2D, 0, 3, tex[0].w, tex[0].h, 0, GL_RGB, GL_UNSIGNED_BYTE, tex[0].dat);
  74.  
  75. 		// Create Linear Filtered Texture
  76. 		glBindTexture(GL_TEXTURE_2D, texture[1]);
  77. 		glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);
  78. 		glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR);
  79. 		glTexImage2D(GL_TEXTURE_2D, 0, 3, tex[0].w, tex[0].h, 0, GL_RGB, GL_UNSIGNED_BYTE, tex[0].dat);
  80.  
  81. 		// Create MipMapped Texture
  82. 		glBindTexture(GL_TEXTURE_2D, texture[2]);
  83. 		glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);
  84. 		glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR_MIPMAP_NEAREST);
  85. 		gluBuild2DMipmaps(GL_TEXTURE_2D, 3, tex[0].w, tex[0].h, GL_RGB, GL_UNSIGNED_BYTE, tex[0].dat);
  86. 	//============================
  87. 	while(!key[KEY_ESC]) {
  88. 		while( timer >0 ) {
  89. 			if( key[KEY_UP] )
  90. 			rtriX-=ACC;
  91. 			if( key[KEY_DOWN] )
  92. 				rtriX+=ACC;
  93. 			else if(!key[KEY_UP] && !key[KEY_DOWN] && rtriX !=0) {
  94. 				if( rtriX > 0 )
  95. 					rtriX-=DACC;
  96. 				if( rtriX < 0 )
  97. 					rtriX+=DACC;
  98. 			}
  99. 			if( key[KEY_RIGHT] )
  100. 				rtriY+=ACC;
  101. 			if( key[KEY_LEFT] )
  102. 				rtriY-=ACC;
  103. 			else if(!key[KEY_LEFT] && !key[KEY_RIGHT] && rtriY !=0) {
  104. 				if( rtriY > 0 )
  105. 					rtriY-=DACC;
  106. 				if( rtriY < 0 )
  107. 					rtriY+=DACC;
  108. 			}
  109. 			if( key[KEY_A] )
  110. 				rtriZ-=ACC;
  111. 			if( key[KEY_D]  )
  112. 				rtriZ+=ACC;
  113. 			if( !key[KEY_A] && !key[KEY_D] && rtriZ !=0) {
  114. 				if( rtriZ > 0 )
  115. 					rtriZ-=DACC;
  116. 				if( rtriZ < 0 )
  117. 					rtriZ+=DACC;
  118. 			}
  119. 			if(key[KEY_Z])
  120. 				d+=0.1f;
  121. 			if(key[KEY_X])
  122. 				d-=0.1f;
  123. 			if(key[KEY_I]&&key[KEY_L])
  124. 				light=true;
  125. 			if(key[KEY_O]&&key[KEY_L])
  126. 				light=false;
  127. 			if(key[KEY_I]&&key[KEY_F])
  128. 				fog=true;
  129. 			if(key[KEY_O]&&key[KEY_F])
  130. 				fog=false;
  131. 			if(key[KEY_T]&&key[KEY_1])
  132. 				filter=0;
  133. 			if(key[KEY_T]&&key[KEY_2])
  134. 				filter=1;
  135. 			if(key[KEY_T]&&key[KEY_3])
  136. 				filter=2;
  137. 			timer--;
  138. 			}
  139. 			AX=(AX+rtriX);
  140. 			AY=(AY+rtriY);
  141. 			AZ=(AZ+rtriZ);
  142. 			DrawScene(AX,AY,AZ,d);
  143.  
  144. 	}
  145. 	/* Wait for the user to press a key */
  146. 	readkey();
  147.  
  148. 	/* Finished. */
  149. 	return 0;
  150. }
  151. END_OF_MAIN();
  152.  
  153. void initRendering() {
  154. 	glEnable(GL_DEPTH_TEST);
  155. 	glEnable(GL_LEQUAL);
  156. 	glEnable(GL_TEXTURE_2D);
  157. 	glEnable(GL_BLEND);
  158. 	glEnable(GL_FOG);
  159. 	glEnable(GL_LIGHTING);
  160. 	glEnable(GL_POLYGON_SMOOTH);
  161. 	glEnable(GL_LINE_SMOOTH);
  162. 	// more modules...
  163. }
  164.  
  165. void initGL(bool FULLSCREEN,int w,int h) {
  166. 	install_allegro_gl();
  167. 	allegro_gl_set( AGL_COLOR_DEPTH, 32 );
  168. 	allegro_gl_set( AGL_Z_DEPTH, 8 );
  169. 	allegro_gl_set( AGL_SUGGEST, AGL_COLOR_DEPTH | AGL_Z_DEPTH );
  170. 	if(FULLSCREEN)
  171. 		if(set_gfx_mode( GFX_OPENGL_FULLSCREEN, w, h, 0, 0 )) {
  172. 			allegro_message( "There was an error creating the window" );
  173. 		}
  174. 	if(!FULLSCREEN)
  175. 		if(set_gfx_mode( GFX_OPENGL_WINDOWED, w, h, 0, 0 )) {
  176. 			allegro_message( "There was an error creating the window" );
  177. 		}									
  178.  
  179. }
  180.  
  181. void correctPerspective(GLfloat z1,GLfloat z2) {
  182. 	glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
  183. 	glMatrixMode(GL_PROJECTION);
  184. 	glLoadIdentity();
  185. 	glMatrixMode(GL_MODELVIEW);
  186. 	glLoadIdentity();
  187. 	float	fMinX = -1.0f, fMaxX = 1.0f,
  188. 		fMinY = -1.0f, fMaxY = 1.0f;
  189. 	float	fAspectRatio	= SCREEN_W / (float)SCREEN_H;
  190. 	if ( fAspectRatio > 1.0f ) {
  191. 		fMinY	= fMinX / fAspectRatio;
  192. 		fMaxY	= fMaxX / fAspectRatio;
  193. 	}
  194. 	else {
  195. 		fMinX	= fMinY * fAspectRatio;
  196. 		fMaxX	= fMaxY * fAspectRatio;
  197. 	}
  198. 	glFrustum( fMinX, fMaxX, fMinY, fMaxY, z1, z2 );
  199. }
  200.  
  201.  
  202.  
  203. void DrawScene(GLfloat X,GLfloat Y,GLfloat Z,GLfloat dist) {
  204. 		glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
  205. 	if( light==true )
  206. 		glEnable(GL_LIGHT1);
  207. 	if( light==false)
  208. 		glDisable(GL_LIGHT1);
  209. 	if( fog==true )
  210. 		glEnable(GL_FOG);
  211. 	if( fog==false)
  212. 		glDisable(GL_FOG);
  213. 	glPushMatrix();
  214. 	glTranslatef(0.0f,0.0f,dist);
  215. 	glBindTexture(GL_TEXTURE_2D, texture[filter]);
  216. 	glRotatef(X,1.0f,0.0f,0.0f);
  217. 	glRotatef(Y,0.0f,1.0f,0.0f);
  218. 	glRotatef(Z,0.0f,0.0f,1.0f);
  219. 	glBegin(GL_QUADS);
  220. 		glColor4f(1.0f,0.0f,0.0f,0.5f);
  221. 		glNormal3f( 0.0f, 0.0f, -1.0f);
  222. 		glTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f, -1.0f,  1.0f);
  223. 		glTexCoord2f(1.0f, 0.0f); glVertex3f( 1.0f, -1.0f,  1.0f);
  224. 		glTexCoord2f(1.0f, 1.0f); glVertex3f( 1.0f,  1.0f,  1.0f);
  225. 		glTexCoord2f(0.0f, 1.0f); glVertex3f(-1.0f,  1.0f,  1.0f);
  226. 		// Back Face
  227. 		glNormal3f( 0.0f, 0.0f,1.0f);
  228. 		glTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, -1.0f, -1.0f);
  229. 		glTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f,  1.0f, -1.0f);
  230. 		glTexCoord2f(0.0f, 1.0f); glVertex3f( 1.0f,  1.0f, -1.0f);
  231. 		glTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f, -1.0f, -1.0f);
  232. 		// Top Face
  233. 		glNormal3f( 0.0f, -1.0f, 0.0f);
  234. 		glTexCoord2f(0.0f, 1.0f); glVertex3f(-1.0f,  1.0f, -1.0f);
  235. 		glTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f,  1.0f,  1.0f);
  236. 		glTexCoord2f(1.0f, 0.0f); glVertex3f( 1.0f,  1.0f,  1.0f);
  237. 		glTexCoord2f(1.0f, 1.0f); glVertex3f( 1.0f,  1.0f, -1.0f);
  238. 		// Bottom Face
  239. 		glNormal3f( 0.0f,1.0f, 0.0f);
  240. 		glTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f, -1.0f, -1.0f);
  241. 		glTexCoord2f(0.0f, 1.0f); glVertex3f( 1.0f, -1.0f, -1.0f);
  242. 		glTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f, -1.0f,  1.0f);
  243. 		glTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, -1.0f,  1.0f);
  244. 		// Right face
  245. 		glNormal3f( -1.0f, 0.0f, 0.0f);
  246. 		glTexCoord2f(1.0f, 0.0f); glVertex3f( 1.0f, -1.0f, -1.0f);
  247. 		glTexCoord2f(1.0f, 1.0f); glVertex3f( 1.0f,  1.0f, -1.0f);
  248. 		glTexCoord2f(0.0f, 1.0f); glVertex3f( 1.0f,  1.0f,  1.0f);
  249. 		glTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f, -1.0f,  1.0f);
  250. 		// Left Face
  251. 		glNormal3f(1.0f, 0.0f, 0.0f);
  252. 		glTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f, -1.0f, -1.0f);
  253. 		glTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, -1.0f,  1.0f);
  254. 		glTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f,  1.0f,  1.0f);
  255. 		glTexCoord2f(0.0f, 1.0f); glVertex3f(-1.0f,  1.0f, -1.0f);
  256. 	glEnd();
  257. 	glPopMatrix();
  258. 	glPushMatrix();
  259. 	glTranslatef(0.0f,0.0f,-20.0f);
  260. 	glBegin(GL_QUADS);
  261. 		glColor3f(0.0f,0.0f,0.0f);
  262. 		glVertex2f(-15.0f,10.0f);
  263. 		glVertex2f(15.0f,10.0f);
  264. 		glVertex2f(15.0f,-10.0f);
  265. 		glVertex2f(-15.0f,-10.0f);
  266. 	glEnd();
  267. 	glPopMatrix();
  268. 	allegro_gl_flip();
  269. }

Last edited by Nickyu0712; Aug 1st, 2009 at 6:42 am.
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