fixed bugs, added debug shaders, drawing a dungeon wall segment for testing

[vrlugburz] / src / opengl.c

diff --git a/src/opengl.c b/src/opengl.c
index aa17885..8eadb97 100644 (file)
--- a/src/opengl.c
+++ b/src/opengl.c
@@ -28,11 +28,21 @@ int init_opengl(void)
                return -1;
        }
 
+       if(glcaps.ver_major >= 2 || glcaps.ver_minor >= 5 || (strstr(glext, "GL_ARB_vertex_buffer_object"))) {
+               glcaps.vbo = 1;
+       }
+
        if(glcaps.ver_major >= 2 || (strstr(glext, "GL_ARB_vertex_shader") && strstr(glext, "GL_ARB_fragment_shader"))) {
                glcaps.sdr = 1;
        }
 
-#ifndef LOADEXT_SDR
+       if(glcaps.vbo) {
+               LOADPROC(PFNGLGENBUFFERSPROC, glGenBuffers);
+               LOADPROC(PFNGLDELETEBUFFERSPROC, glDeleteBuffers);
+               LOADPROC(PFNGLBINDBUFFERPROC, glBindBuffer);
+               LOADPROC(PFNGLBUFFERDATAPROC, glBufferData);
+       }
+
        if(glcaps.sdr) {
                LOADPROC(PFNGLCREATEPROGRAMPROC, glCreateProgram);
                LOADPROC(PFNGLDELETEPROGRAMPROC, glDeleteProgram);
@@ -56,8 +66,11 @@ int init_opengl(void)
                LOADPROC(PFNGLCOMPILESHADERPROC, glCompileShader);
                LOADPROC(PFNGLGETSHADERIVPROC, glGetShaderiv);
                LOADPROC(PFNGLGETSHADERINFOLOGPROC, glGetShaderInfoLog);
+               LOADPROC(PFNGLBINDATTRIBLOCATIONPROC, glBindAttribLocation);
+               LOADPROC(PFNGLENABLEVERTEXATTRIBARRAYPROC, glEnableVertexAttribArray);
+               LOADPROC(PFNGLDISABLEVERTEXATTRIBARRAYPROC, glDisableVertexAttribArray);
+               LOADPROC(PFNGLVERTEXATTRIBPOINTERPROC, glVertexAttribPointer);
        }
-#endif
 
        return 0;
 }