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Remove the python OpenGL wrapper as it is no longer needed

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Kovid Goyal
2017-09-12 12:05:34 +05:30
parent 86893db46b
commit 7f6befe4f9
6 changed files with 61 additions and 891 deletions
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46
kitty/shaders.c
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@@ -83,6 +83,7 @@ glew_init(PyObject UNUSED *self) {
ARB_TEST(texture_storage);
#undef ARB_TEST
#endif
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
Py_RETURN_NONE;
}
// }}}
@@ -857,11 +858,54 @@ PYWRAP1(layout_sprite_map) {
Py_RETURN_NONE;
}
PYWRAP1(resize_gl_viewport) {
unsigned int w, h; PA("II", &w, &h);
glViewport(0, 0, w, h);
Py_RETURN_NONE;
}
PYWRAP1(clear_buffers) {
PyObject *swap_buffers;
unsigned int bg;
PA("OI", &swap_buffers, &bg);
#define C(shift) ((float)((bg >> shift) & 0xff)) / 255.0
glClearColor(C(16), C(8), C(0), 1);
#undef C
glClear(GL_COLOR_BUFFER_BIT);
PyObject *ret = PyObject_CallFunctionObjArgs(swap_buffers, NULL);
if (ret == NULL) return NULL;
Py_DECREF(ret);
glClear(GL_COLOR_BUFFER_BIT);
Py_RETURN_NONE;
}
PYWRAP0(check_for_extensions) {
GLint n = 0, i, left = 2;
glGetIntegerv(GL_NUM_EXTENSIONS, &n);
bool texture_storage = false;
#define CHECK(name) if (!name) { \
if (strstr((const char*)ext, "GL_ARB_" #name) == (const char *)ext) { left--; name = true; } \
}
for (i = 0; i < n; i++) {
const GLubyte *ext = glGetStringi(GL_EXTENSIONS, i);
CHECK(texture_storage);
if (left < 1) break;
}
#undef CHECK
if (left > 0) {
#define CHECK(name) if (!name) { PyErr_Format(PyExc_RuntimeError, "The OpenGL driver on this system is missing the required extension: GL_ARB_%s", #name); return NULL; }
CHECK(texture_storage);
#undef CHECK
}
Py_RETURN_NONE;
}
#define M(name, arg_type) {#name, (PyCFunction)name, arg_type, NULL}
#define MW(name, arg_type) {#name, (PyCFunction)py##name, arg_type, NULL}
static PyMethodDef module_methods[] = {
{"glewInit", (PyCFunction)glew_init, METH_NOARGS, NULL},
M(compile_program, METH_VARARGS),
MW(check_for_extensions, METH_NOARGS),
MW(create_vao, METH_NOARGS),
MW(remove_vao, METH_O),
MW(bind_vertex_array, METH_O),
@@ -881,6 +925,8 @@ static PyMethodDef module_methods[] = {
MW(draw_cells, METH_VARARGS),
MW(layout_sprite_map, METH_VARARGS),
MW(destroy_sprite_map, METH_NOARGS),
MW(resize_gl_viewport, METH_VARARGS),
MW(clear_buffers, METH_VARARGS),
{NULL, NULL, 0, NULL} /* Sentinel */
};