Start work on moving shaders.py to C

kitty/shaders.c

@@ -0,0 +1,24 @@
+/*
+ * shaders.c
+ * Copyright (C) 2017 Kovid Goyal <kovid at kovidgoyal.net>
+ *
+ * Distributed under terms of the GPL3 license.
+ */
+
+#include "data-types.h"
+
+#define GL_VERSION_MAJOR 3
+#define GL_VERSION_MINOR 3
+#define GLSL_VERSION (GL_VERSION_MAJOR * 100 + GL_VERSION_MINOR * 10)
+
+enum Program { CELL_PROGRAM, CURSOR_PROGRAM, BORDERS_PROGRAM};
+
+bool
+init_shaders(PyObject *module) {
+#define C(x) if (PyModule_AddIntConstant(module, #x, x) != 0) { PyErr_NoMemory(); return false; }
+    C(CELL_PROGRAM); C(CURSOR_PROGRAM); C(BORDERS_PROGRAM);
+    C(GLSL_VERSION);
+#undef C
+    PyModule_AddObject(module, "GL_VERSION_REQUIRED", Py_BuildValue("II", GL_VERSION_MAJOR, GL_VERSION_MINOR));
+    return true;
+}