X-Git-Url: https://harrygodden.com/git/?a=blobdiff_plain;f=render.h;h=374cc06a0343590958e271bb0dea9c6d3bd92ff2;hb=191bf91146eb7e3ac15fb18de6e7267d1cd686af;hp=e3c7ee734b515c4bf0e01b31e341c36f56531272;hpb=e7f34d37fb7a68f4a30995656c8f1c9075997124;p=carveJwlIkooP6JGAAIwe30JlM.git

diff --git a/render.h b/render.h
index e3c7ee7..374cc06 100644
--- a/render.h
+++ b/render.h
@@ -121,13 +121,16 @@ struct framebuffer
          k_framebuffer_quality_high_only
       }
       quality;
-
+      
       GLenum internalformat,
              format,
              type,
              attachment;
 
       GLuint id;
+
+      /* Runtime */
+      int debug_view;
    }
    attachments[5];
    GLuint fb;
@@ -588,15 +591,48 @@ VG_STATIC void render_fb_resize(void)
    }
 }
 
+VG_STATIC int render_framebuffer_control( int argc, char const *argv[] );
 VG_STATIC void render_init_fs_quad(void)
 {
    vg_info( "[render] Allocate quad\n" );
 
-   float quad[] = { 0.0f, 0.0f, 1.0f, 1.0f, 0.0f, 1.0f,
-                    0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 1.0f,
+   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,
+
+      0.20f,0.00f, 0.80f,1.00f, 0.20f,1.00f,
+      0.20f,0.00f, 0.80f,0.00f, 0.80f,1.00f,
+
+      /* 9x9 debug grid */
+      /* row0 */
+      0.00f,0.00f, 0.30f,0.30f, 0.00f,0.30f,
+      0.00f,0.00f, 0.30f,0.00f, 0.30f,0.30f,
+      0.30f,0.00f, 0.60f,0.30f, 0.30f,0.30f,
+      0.30f,0.00f, 0.60f,0.00f, 0.60f,0.30f,
+      0.60f,0.00f, 0.90f,0.30f, 0.60f,0.30f,
+      0.60f,0.00f, 0.90f,0.00f, 0.90f,0.30f,
+      /* row1 */
+      0.00f,0.30f, 0.30f,0.60f, 0.00f,0.60f,
+      0.00f,0.30f, 0.30f,0.30f, 0.30f,0.60f,
+      0.30f,0.30f, 0.60f,0.60f, 0.30f,0.60f,
+      0.30f,0.30f, 0.60f,0.30f, 0.60f,0.60f,
+      0.60f,0.30f, 0.90f,0.60f, 0.60f,0.60f,
+      0.60f,0.30f, 0.90f,0.30f, 0.90f,0.60f,
+      /* row2 */
+      0.00f,0.60f, 0.30f,0.90f, 0.00f,0.90f,
+      0.00f,0.60f, 0.30f,0.60f, 0.30f,0.90f,
+      0.30f,0.60f, 0.60f,0.90f, 0.30f,0.90f,
+      0.30f,0.60f, 0.60f,0.60f, 0.60f,0.90f,
+      0.60f,0.60f, 0.90f,0.90f, 0.60f,0.90f,
+      0.60f,0.60f, 0.90f,0.60f, 0.90f,0.90f,
+   };
 
-                    0.2f, 0.0f, 0.8f, 1.0f, 0.2f, 1.0f,
-                    0.2f, 0.0f, 0.8f, 0.0f, 0.8f, 1.0f };
+	vg_function_push( (struct vg_cmd)
+   {
+		.name = "fb",
+		.function = render_framebuffer_control
+	});
 
    glGenVertexArrays( 1, &gpipeline.fsquad.vao );
    glGenBuffers( 1, &gpipeline.fsquad.vbo );
@@ -669,4 +705,131 @@ VG_STATIC void render_fsquad1(void)
    glDrawArrays( GL_TRIANGLES, 6, 6 );
 }
 
+/*
+ * Call this inside the UI function
+ */
+VG_STATIC void render_view_framebuffer_ui(void)
+{
+   int viewing_count = 0;
+
+   glBindVertexArray( gpipeline.fsquad.vao );
+   shader_blit_use();
+   shader_blit_uTexMain( 0 );
+
+   for( int i=0; i<vg_list_size(framebuffers); i++ )
+   {
+      struct framebuffer *fb = &framebuffers[i];
+
+      for( int j=0; j<vg_list_size(fb->attachments); j++ )
+      {
+         struct framebuffer_attachment *at = &fb->attachments[j];
+
+         if( !at->debug_view )
+            continue;
+
+         v2f corner,
+             window = { vg.window_x, vg.window_y };
+
+         corner[0] = viewing_count % 3;
+         corner[1] = 1 + (viewing_count / 3);
+         v2_mul( corner, window, corner );
+         v2_muls( corner, 0.3f, corner );
+         corner[1] = vg.window_y - corner[1];
+         
+         ui_text( (ui_rect){ corner[0], corner[1],      0.0f, 0.0f }, 
+                  fb->display_name, 2, k_text_align_left );
+         ui_text( (ui_rect){ corner[0], corner[1] + 32, 0.0f, 0.0f, },
+                  at->display_name, 1, k_text_align_left );
+
+         if( at->purpose == k_framebuffer_attachment_type_renderbuffer )
+         {
+            v2f center;
+            v2_muladds( corner, window, 0.15f, center );
+
+            ui_text( (ui_rect){ center[0], center[1], 0.0f, 0.0f },
+                     "<hardware texture>", 1, k_text_align_center );
+         }
+         else
+         {
+            render_fb_bind_texture( fb, j, 0 );
+            
+            int start = (viewing_count+2) * 6,
+                count = 6;
+            glDrawArrays( GL_TRIANGLES, start, count );
+         }
+
+         viewing_count ++;
+      }
+   }
+}
+
+VG_STATIC void render_framebuffer_show( struct framebuffer *fb,
+                                        struct framebuffer_attachment *at,
+                                        int operation )
+{
+   at->debug_view = operation;
+   vg_info( "%s %s:%s\n", (operation?"shown": "hidden"), 
+               fb->display_name, at->display_name );
+}
+
+/* 
+ * arg0: command           "show"/"hide"
+ * arg1: framebuffer name  <name>/"all"
+ * arg2: subname           <name>/none
+ */
+VG_STATIC int render_framebuffer_control( int argc, char const *argv[] )
+{
+   if( argc < 2 )
+   {
+      vg_error( "Usage: fb \"show/hide\" <name>/\"all\" <name>/none\n" );
+      return 0;
+   }
+
+   int modify_all = 0,
+       operation  = 0;
+
+   if( !strcmp( argv[0], "show" ) )
+      operation = 1;
+   else if( !strcmp( argv[0], "hide" ) )
+      operation = 0;
+   else
+   {
+      vg_error( "Unknown framebuffer operation: '%s'\n", argv[0] );
+      return 0;
+   }
+
+   if( !strcmp( argv[1], "all" ) )
+      modify_all = 1;
+
+   for( int i=0; i<vg_list_size(framebuffers); i++ )
+   {
+      struct framebuffer *fb = &framebuffers[i];
+      
+      for( int j=0; j<vg_list_size(fb->attachments); j++ )
+      {
+         struct framebuffer_attachment *at = &fb->attachments[j];
+
+         if( at->purpose == k_framebuffer_attachment_type_none )
+            continue;
+
+         if( modify_all )
+         {
+            render_framebuffer_show( fb, at, operation );
+         }
+         else
+         {
+            if( !strcmp( fb->display_name, argv[1] ) )
+            {
+               if( argc == 2 )
+                  render_framebuffer_show( fb, at, operation );
+               else if( !strcmp( at->display_name, argv[2] ) )
+                  render_framebuffer_show( fb, at, operation );
+            }
+         }
+      }
+   }
+
+   return 0;
+}
+
 #endif /* RENDER_H */