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Prepare for two stage rendering of cells

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Kovid Goyal
2017-10-04 14:15:51 +05:30
parent b032130a20
commit ead73c8209
5 changed files with 45 additions and 19 deletions
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4
kitty/shaders.c
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@@ -7,6 +7,8 @@
#include "gl.h"
enum { CELL_PROGRAM, CURSOR_PROGRAM, BORDERS_PROGRAM, NUM_PROGRAMS };
// Sprites {{{
typedef struct {
int xnum, ynum, x, y, z, last_num_of_layers, last_ynum;
@@ -393,7 +395,7 @@ compile_program(PyObject UNUSED *self, PyObject *args) {
int which;
GLuint vertex_shader_id = 0, fragment_shader_id = 0;
if (!PyArg_ParseTuple(args, "iss", &which, &vertex_shader, &fragment_shader)) return NULL;
if (which < CELL_PROGRAM || which >= NUM_PROGRAMS) { PyErr_Format(PyExc_ValueError, "Unknown program: %d", which); return NULL; }
if (which < 0 || which >= NUM_PROGRAMS) { PyErr_Format(PyExc_ValueError, "Unknown program: %d", which); return NULL; }
if (programs[which].id != 0) { PyErr_SetString(PyExc_ValueError, "program already compiled"); return NULL; }
programs[which].id = glCreateProgram();
check_gl();