X-Git-Url: https://harrygodden.com/git/?a=blobdiff_plain;f=render.h;h=a4005ddbcec76028b77fd873c6b9b8dca479a7b1;hb=8c376ed2e4021a18b0a6c6e800109d67ad09d198;hp=b920983d7970b18b24b83faa25a4854ee988eac1;hpb=be8ea6efdbfd9c0fdad97401ed7d92041d8c8778;p=carveJwlIkooP6JGAAIwe30JlM.git

diff --git a/render.h b/render.h
index b920983..a4005dd 100644
--- a/render.h
+++ b/render.h
@@ -58,8 +58,9 @@ struct framebuffer{
       
       enum framebuffer_attachment_type{
          k_framebuffer_attachment_type_none,
-         k_framebuffer_attachment_type_colour,
-         k_framebuffer_attachment_type_renderbuffer
+         k_framebuffer_attachment_type_texture,
+         k_framebuffer_attachment_type_renderbuffer,
+         k_framebuffer_attachment_type_texture_depth
       }
       purpose;
 
@@ -95,7 +96,7 @@ framebuffers[] =
       .attachments = 
       {
          {
-            "colour", k_framebuffer_attachment_type_colour,
+            "colour", k_framebuffer_attachment_type_texture,
 
             .internalformat = GL_RGB,
             .format         = GL_RGB,
@@ -103,7 +104,7 @@ framebuffers[] =
             .attachment     = GL_COLOR_ATTACHMENT0
          },
          {
-            "motion", k_framebuffer_attachment_type_colour,
+            "motion", k_framebuffer_attachment_type_texture,
 
             .quality        = k_framebuffer_quality_high_only,
             .internalformat = GL_RG16F,
@@ -117,7 +118,7 @@ framebuffers[] =
 
             .internalformat = GL_DEPTH24_STENCIL8,
 #else
-            "depth_stencil", k_framebuffer_attachment_type_colour,
+            "depth_stencil", k_framebuffer_attachment_type_texture_depth,
             .internalformat = GL_DEPTH24_STENCIL8,
             .format         = GL_DEPTH_STENCIL,
             .type           = GL_UNSIGNED_INT_24_8,
@@ -136,7 +137,7 @@ framebuffers[] =
       .attachments = 
       {
          {
-            "colour", k_framebuffer_attachment_type_colour,
+            "colour", k_framebuffer_attachment_type_texture,
             .internalformat = GL_RGB,
             .format         = GL_RGB,
             .type           = GL_UNSIGNED_BYTE,
@@ -161,7 +162,7 @@ framebuffers[] =
       .attachments = 
       {
          {
-            "colour", k_framebuffer_attachment_type_colour,
+            "colour", k_framebuffer_attachment_type_texture,
             .internalformat = GL_RED,
             .format         = GL_RED,
             .type           = GL_UNSIGNED_BYTE,
@@ -240,8 +241,10 @@ VG_STATIC void render_fb_bind_texture( framebuffer *fb,
 {
    struct framebuffer_attachment *at = &fb->attachments[attachment];
 
-   if( at->purpose != k_framebuffer_attachment_type_colour ){
-      vg_fatal_exit_loop( "illegal operation: bind non-colour framebuffer"
+   if( (at->purpose != k_framebuffer_attachment_type_texture) &&
+       (at->purpose != k_framebuffer_attachment_type_texture_depth) )
+   {
+      vg_fatal_exit_loop( "illegal operation: bind non-texture framebuffer"
                           " attachment to texture slot" );
    }
 
@@ -388,7 +391,9 @@ VG_STATIC void render_fb_allocate_texture( struct framebuffer *fb,
       glBindRenderbuffer( GL_RENDERBUFFER, a->id );
       glRenderbufferStorage( GL_RENDERBUFFER, a->internalformat, rx, ry );
    }
-   else if( a->purpose == k_framebuffer_attachment_type_colour ){
+   else if( a->purpose == k_framebuffer_attachment_type_texture ||
+            a->purpose == k_framebuffer_attachment_type_texture_depth )
+   {
       glBindTexture( GL_TEXTURE_2D, a->id );
       glTexImage2D( GL_TEXTURE_2D, 0, a->internalformat, rx, ry,
                                    0, a->format, a->type, NULL );
@@ -429,7 +434,9 @@ VG_STATIC void render_fb_allocate( struct framebuffer *fb )
                                     GL_DEPTH_STENCIL_ATTACHMENT,
                                     GL_RENDERBUFFER, attachment->id );
       }
-      else if( attachment->purpose == k_framebuffer_attachment_type_colour ){
+      else if( attachment->purpose == k_framebuffer_attachment_type_texture || 
+         attachment->purpose == k_framebuffer_attachment_type_texture_depth )
+      {
          glGenTextures( 1, &attachment->id );
          render_fb_allocate_texture( fb, attachment );
          glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
@@ -440,7 +447,8 @@ VG_STATIC void render_fb_allocate( struct framebuffer *fb )
          glFramebufferTexture2D( GL_FRAMEBUFFER, attachment->attachment,
                                  GL_TEXTURE_2D,  attachment->id, 0 );
 
-         colour_attachments[ colour_count ++ ] = attachment->attachment;
+         if( attachment->purpose == k_framebuffer_attachment_type_texture )
+            colour_attachments[ colour_count ++ ] = attachment->attachment;
       }
    }