imgui stuff
[carveJwlIkooP6JGAAIwe30JlM.git] / render.h
index b920983d7970b18b24b83faa25a4854ee988eac1..b6172283121632b9d18ac0ac6395e300b8c5341f 100644 (file)
--- 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_error( "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;
       }
    }
 
@@ -472,7 +480,7 @@ VG_STATIC void render_fb_allocate( struct framebuffer *fb )
          vg_error( "  status: Generic Error" );
 
       vg_info( "}\n" );
-      vg_fatal_exit_loop( "Incomplete framebuffer (see logs)" );
+      vg_fatal_error( "Incomplete framebuffer (see logs)" );
    }
 }
 
@@ -495,16 +503,23 @@ VG_STATIC void render_fb_resize(void)
 
 VG_STATIC int render_framebuffer_control( int argc, char const *argv[] );
 VG_STATIC void render_framebuffer_poll( int argc, char const *argv[] );
-VG_STATIC void render_init_fs_quad(void)
+
+VG_STATIC void async_render_init( void *payload, u32 size )
 {
-   vg_info( "[render] Allocate quad\n" );
+   /* 
+    * Complete Framebuffers
+    */
+   for( int i=0; i<vg_list_size(framebuffers); i++ ){
+      struct framebuffer *fb = &framebuffers[i];
+      render_fb_allocate( fb );
+   }
 
    float quad[] = { 
-      0.00f,0.00f, 1.00f,1.00f, 0.00f,1.00f,
-      0.00f,0.00f, 1.00f,0.00f, 1.00f,1.00f,
+      0.00f,0.00f, 1.00f,1.00f, 0.00f,1.00f,    /* fsquad */
+      0.00f,0.00f, 1.00f,0.00f, 1.00f,1.00f,    
 
-      0.20f,0.00f, 0.80f,1.00f, 0.20f,1.00f,
-      0.20f,0.00f, 0.80f,0.00f, 0.80f,1.00f,
+      0.00f,0.00f, 1.00f,0x1p-4f,0.00f,0x1p-4f,    /* fsquad1 */
+      0.00f,0.00f, 1.00f,0.00f,  1.00f,0x1p-4f,
 
       /* 9x9 debug grid */
       /* row0 */
@@ -544,6 +559,9 @@ VG_STATIC void render_init_fs_quad(void)
    glEnableVertexAttribArray( 0 );
 
    VG_CHECK_GL_ERR();
+
+   glBindFramebuffer( GL_FRAMEBUFFER, 0 );
+   gpipeline.ready = 1;
 }
 
 VG_STATIC void render_init(void)
@@ -552,23 +570,7 @@ VG_STATIC void render_init(void)
    shader_blitblur_register();
    shader_blitcolour_register();
 
-   vg_acquire_thread_sync();
-   {
-      /* 
-       * Complete Framebuffers
-       */
-      for( int i=0; i<vg_list_size(framebuffers); i++ ){
-         struct framebuffer *fb = &framebuffers[i];
-         render_fb_allocate( fb );
-      }
-
-      render_init_fs_quad();
-
-      glBindFramebuffer( GL_FRAMEBUFFER, 0 );
-      gpipeline.ready = 1;
-   }
-
-   vg_release_thread_sync();
+   vg_async_call( async_render_init, NULL, 0 );
 }
 
 /*
@@ -591,6 +593,7 @@ VG_STATIC void render_fsquad1(void)
  */
 VG_STATIC void render_view_framebuffer_ui(void)
 {
+#if 0
    int viewing_count = 0;
 
    glBindVertexArray( gpipeline.fsquad.vao );
@@ -641,6 +644,7 @@ VG_STATIC void render_view_framebuffer_ui(void)
          viewing_count ++;
       }
    }
+#endif
 }
 
 VG_STATIC void render_framebuffer_show( struct framebuffer *fb,