Add support for depth & stencil buffers

1 files changed, 30 insertions, 6 deletions

diff --git a/src/window.c b/src/window.c
index 7e7bfb2..36c1612 100644
--- a/src/window.c
+++ b/src/window.c
@@ -166,19 +166,43 @@ void window_init_renderstack(Window *restrict w,
   // Iteratively set up each framebuffer and framebuffer-attached objects
   usize buffer_offset = 0;
   for (usize fb_idx = 0; fb_idx < num_fbuf; fb_idx++) {
-    FramebufferParameters *p = &t->framebuffer_parameters[fb_idx];
-    // Check everything is a texture, cuz rn. we don't support anything else
-    for (isize buffer_idx = 0; buffer_idx < p->num_attached_buffers; buffer_idx++) {
-      ASSERT(BUFFERPARAMETER_GET_TYPE(t->buffer_parameters[buffer_offset + buffer_idx]) == BufferType_texture);
+
+    // Count textures & renderbuffers
+    u32 num_textures = 0;
+    u32 num_renderbuffers = 0;
+    for (i32 i = 0; i < t->framebuffer_parameters[fb_idx].num_attached_buffers; i++) {
+      switch (BUFFERPARAMETER_GET_TYPE(t->buffer_parameters[buffer_offset + i])) {
+        case BufferType_frame:
+          UNIMPLEMENTED;
+        case BufferType_texture:
+          num_textures++;
+          break;
+        case BufferType_render:
+          num_renderbuffers++;
+          break;
+        case BufferType_buffer:
+          UNIMPLEMENTED;
+        default:
+          UNIMPLEMENTED;
+      }
     }
 
     // Create `num_attached_buffers` identical buffers
     r_create_textures(w->context, &t->buffer[buffer_offset],
           &t->buffer_parameters[buffer_offset],
           &t->framebuffer_parameters[fb_idx].dimensions,
-          t->framebuffer_parameters[fb_idx].num_attached_buffers);
+          num_textures);
+
+    r_create_renderbuffers(w->context, &t->buffer[buffer_offset + num_textures],
+          &t->buffer_parameters[buffer_offset + num_textures],
+          &t->framebuffer_parameters[fb_idx].dimensions,
+          num_renderbuffers);
 
-    r_attach_buffers(w->context, t->framebuffer[fb_idx], &t->buffer[buffer_offset], &t->buffer_parameters[buffer_offset], t->framebuffer_parameters[fb_idx].num_attached_buffers);
+    r_attach_buffers(w->context,
+        t->framebuffer[fb_idx],
+        &t->buffer[buffer_offset],
+        &t->buffer_parameters[buffer_offset],
+        t->framebuffer_parameters[fb_idx].num_attached_buffers);
 
     //if (BUFFERPARAMETER_GET_TYPE(buffer_params[i]) != BufferType_texture) continue;
     //u32 texture_type = BUFFERPARAMETER_GET_PARAMETER(buffer_params[i]);