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Diffstat (limited to 'examples/textures_mipmaps.c')
| -rw-r--r-- | examples/textures_mipmaps.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/examples/textures_mipmaps.c b/examples/textures_mipmaps.c new file mode 100644 index 00000000..889303a4 --- /dev/null +++ b/examples/textures_mipmaps.c @@ -0,0 +1,66 @@ +/******************************************************************************************* +* +* raylib [textures] example - Texture loading with mipmaps, mipmaps generation +* +* NOTE: On OpenGL 1.1, mipmaps are calculated 'manually', original image must be power-of-two +* On OpenGL 3.3 and ES2, mipmaps are generated automatically +* +* This example has been created using raylib 1.1 (www.raylib.com) +* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details) +* +* Copyright (c) 2014 Ramon Santamaria (Ray San - raysan@raysanweb.com) +* +********************************************************************************************/ + +#include "raylib.h" + +int main() +{ + // Initialization + //-------------------------------------------------------------------------------------- + int screenWidth = 800; + int screenHeight = 450; + + InitWindow(screenWidth, screenHeight, "raylib [textures] example - texture mipmaps generation"); + + // NOTE: To generate mipmaps for an image, image must be loaded first and converted to texture + // with mipmaps option set to true on CreateTexture() + + Image image = LoadImage("resources/raylib_logo.png"); // Load image to CPU memory (RAM) + Texture2D texture = CreateTexture(image, true); // Create texture and generate mipmaps + + UnloadImage(image); // Once texture has been created, we can unload image data from RAM + //-------------------------------------------------------------------------------------- + + // Main game loop + while (!WindowShouldClose()) // Detect window close button or ESC key + { + // Update + //---------------------------------------------------------------------------------- + // TODO: Update your variables here + //---------------------------------------------------------------------------------- + + // Draw + //---------------------------------------------------------------------------------- + BeginDrawing(); + + ClearBackground(RAYWHITE); + + DrawTexture(texture, screenWidth/2 - texture.width/2, + screenHeight/2 - texture.height/2 - 30, WHITE); + + DrawText("this IS a texture with mipmaps! really!", 210, 360, 20, GRAY); + + EndDrawing(); + //---------------------------------------------------------------------------------- + } + + // De-Initialization + //-------------------------------------------------------------------------------------- + UnloadTexture(texture); // Texture unloading + + CloseWindow(); // Close window and OpenGL context + //-------------------------------------------------------------------------------------- + + return 0; +}
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