gfx/src/render/renderbuffer.c


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35

#include "renderbuffer.h"

#include "texture.h"

#include <error.h>

bool gfx_init_renderbuffer(
    RenderBuffer* renderbuffer, const RenderBufferDesc* desc) {
  assert(renderbuffer);
  assert(desc);

  glGenRenderbuffers(1, &renderbuffer->id);
  if (!renderbuffer->id) {
    set_error("glGenRenderbuffers failed");
    return false;
  }

  glBindRenderbuffer(GL_RENDERBUFFER, renderbuffer->id);
  glRenderbufferStorage(
      GL_RENDERBUFFER, to_GL_internal_format(desc->texture_format), desc->width,
      desc->height);
  glBindRenderbuffer(GL_RENDERBUFFER, 0);

  ASSERT_GL;
  return true;
}

void gfx_del_renderbuffer(RenderBuffer* renderbuffer) {
  assert(renderbuffer);
  
  if (renderbuffer->id) {
    glDeleteRenderbuffers(1, &renderbuffer->id);
    renderbuffer->id = 0;
  }
}