JoaoPaneto

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About JoaoPaneto

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  1. Lesson 06

    [quote name='JoaoPaneto' timestamp='1323315272' post='4891691'] Someone can send me an example of this application?? Texturing with GLFW... Thank you [/quote] why this source is not working?? [code] //======================================================================== // This is a small test application for GLFW. // The program shows texture loading with mipmap generation and trilienar // filtering. //======================================================================== /************************************************************************ * $Id: mipmaps.c,v 1.2 2003/02/02 22:34:12 marcus256 Exp $ ************************************************************************/ #include <stdio.h> #include <glfw.h> //======================================================================== // main() //======================================================================== int main( void ) { int width, height, running, frames, x, y; double t, t0, fps; char titlestr[ 200 ]; GLuint texid; // Initialise GLFW glfwInit(); // Open OpenGL window if( !glfwOpenWindow( 640, 480, 0,0,0,0, 0,0, GLFW_WINDOW ) ) { glfwTerminate(); return 0; } // Enable sticky keys glfwEnable( GLFW_STICKY_KEYS ); // Disable vertical sync (on cards that support it) glfwSwapInterval( 0 ); // Get and select a texture object ID glGenTextures( 1, &texid ); glBindTexture( GL_TEXTURE_2D, texid ); // Load texture from file, and build all mipmap levels. The // texture is automatically uploaded to texture memory. if( !glfwLoadTexture2D( "bubble.tga", GLFW_BUILD_MIPMAPS_BIT ) ) { glfwTerminate(); return 0; } // Use trilinear interpolation (GL_LINEAR_MIPMAP_LINEAR) glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR ); glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR ); // Enable texturing glEnable( GL_TEXTURE_2D ); // Main loop running = GL_TRUE; frames = 0; t0 = glfwGetTime(); while( running ) { // Get time and mouse position t = glfwGetTime(); glfwGetMousePos( &x, &y ); // Calculate and display FPS (frames per second) if( (t-t0) > 1.0 || frames == 0 ) { fps = (double)frames / (t-t0); sprintf( titlestr, "Trilinear interpolation (%.1f FPS)", fps ); glfwSetWindowTitle( titlestr ); t0 = t; frames = 0; } frames ++; // Get window size (may be different than the requested size) glfwGetWindowSize( &width, &height ); height = height > 0 ? height : 1; // Set viewport // glViewport( 0, 0, width, height ); // Clear color buffer glClearColor( 0.0f, 0.0f, 0.0f, 0.0f); glClear( GL_COLOR_BUFFER_BIT ); // Select and setup the projection matrix glMatrixMode( GL_PROJECTION ); glLoadIdentity(); // gluPerspective( 65.0f, (GLfloat)width/(GLfloat)height, 1.0f, // 50.0f ); // Select and setup the modelview matrix glMatrixMode( GL_MODELVIEW ); glLoadIdentity(); // gluLookAt( 0.0f, 3.0f, -20.0f, // Eye-position // 0.0f, -4.0f, -11.0f, // View-point // 0.0f, 1.0f, 0.0f ); // Up-vector // Draw a textured quad glRotatef( 0.05*(GLfloat)x + (GLfloat)t*5.0f, 0.0f, 1.0f, 0.0f ); glBindTexture( GL_TEXTURE_2D, texid ); glBegin( GL_QUADS ); glTexCoord2f( -20.0f, 20.0f ); glVertex3f( -50.0f, 0.0f, -50.0f ); glTexCoord2f( 20.0f, 20.0f ); glVertex3f( 50.0f, 0.0f, -50.0f ); glTexCoord2f( 20.0f, -20.0f ); glVertex3f( 50.0f, 0.0f, 50.0f ); glTexCoord2f( -20.0f, -20.0f ); glVertex3f( -50.0f, 0.0f, 50.0f ); glEnd(); // Swap buffers glfwSwapBuffers(); // Check if the ESC key was pressed or the window was closed running = !glfwGetKey( GLFW_KEY_ESC ) && glfwGetWindowParam( GLFW_OPENED ); } // Close OpenGL window and terminate GLFW glfwTerminate(); return 0; } [/code]
  2. Lesson 06

    Someone can send me an example of this application?? Texturing with GLFW... Thank you