diff options
Diffstat (limited to 'src/rlgl.h')
| -rw-r--r-- | src/rlgl.h | 26 |
1 files changed, 21 insertions, 5 deletions
@@ -2,11 +2,27 @@ * * rlgl - raylib OpenGL abstraction layer * -* raylib now uses OpenGL 1.1 style functions (rlVertex) that are mapped to selected OpenGL version: -* OpenGL 1.1 - Direct map rl* -> gl* -* OpenGL 2.1 - Vertex data is stored in VBOs, call rlglDraw() to render -* OpenGL 3.3 - Vertex data is stored in VAOs, call rlglDraw() to render -* OpenGL ES 2 - Vertex data is stored in VBOs or VAOs (when available), call rlglDraw() to render +* rlgl allows usage of OpenGL 1.1 style functions (rlVertex) that are internally mapped to +* selected OpenGL version (1.1, 2.1, 3.3 Core, ES 2.0). +* +* When chosing an OpenGL version greater than OpenGL 1.1, rlgl stores vertex data on internal +* VBO buffers (and VAOs if available). It requires calling 3 functions: +* rlglInit() - Initialize internal buffers and auxiliar resources +* rlglDraw() - Process internal buffers and send required draw calls +* rlglClose() - De-initialize internal buffers data and other auxiliar resources +* +* External libs: +* raymath - 3D math functionality (Vector3, Matrix, Quaternion) +* GLAD - OpenGL extensions loading (OpenGL 3.3 Core only) +* +* Module Configuration Flags: +* GRAPHICS_API_OPENGL_11 - Use OpenGL 1.1 backend +* GRAPHICS_API_OPENGL_21 - Use OpenGL 2.1 backend +* GRAPHICS_API_OPENGL_33 - Use OpenGL 3.3 Core profile backend +* GRAPHICS_API_OPENGL_ES2 - Use OpenGL ES 2.0 backend +* +* RLGL_STANDALONE - Use rlgl as standalone library (no raylib dependency) +* * * Copyright (c) 2014-2016 Ramon Santamaria (@raysan5) * |