now we're doing a bunch of them

[carveJwlIkooP6JGAAIwe30JlM.git] / world_gen.h

diff --git a/world_gen.h b/world_gen.h
index 5cfc9d102af3a94996e032ac177193ffc7ff4836..59bed34a282cfdd8ae05687b4c94d261168c76ef 100644 (file)
--- a/world_gen.h
+++ b/world_gen.h
@@ -596,6 +596,29 @@ VG_STATIC void world_post_process( world_instance *world )
 
    vg_acquire_thread_sync();
    {
+      /* create scene lighting buffer */
+      glGenBuffers( 1, &world->tbo_light_entities );
+      glBindBuffer( GL_TEXTURE_BUFFER, world->tbo_light_entities );
+      glBufferData( GL_TEXTURE_BUFFER, world->light_count*sizeof(float)*8,
+                    NULL, GL_DYNAMIC_DRAW );
+
+      v4f *light_dst = glMapBuffer( GL_TEXTURE_BUFFER, GL_WRITE_ONLY );
+      
+      for( int i=0; i<world->light_count; i++ )
+      {
+         struct world_light *light = &world->lights[i];
+
+         v3_muls( light->colour, light->colour[3] * 2.0f, light_dst[i*2+0] );
+         v3_copy( light->co, light_dst[i*2+1] );
+      }
+
+      glUnmapBuffer( GL_TEXTURE_BUFFER );
+
+      glGenTextures( 1, &world->tex_light_entities );
+      glBindTexture( GL_TEXTURE_BUFFER, world->tex_light_entities );
+      glTexBuffer( GL_TEXTURE_BUFFER, GL_RGBA32F, world->tbo_light_entities );
+
+
       /* Upload lighting uniform buffer */
       if( world->water.enabled )
          v4_copy( world->water.plane, world->ub_lighting.g_water_plane );
@@ -609,17 +632,6 @@ VG_STATIC void world_post_process( world_instance *world )
       info_vec[3] = 1.0f/ (bounds[1][2]-bounds[0][2]);
       v4_copy( info_vec, world->ub_lighting.g_depth_bounds );
 
-      /* add scene lights */
-      for( int i=0; i<world->light_count; i++ )
-      {
-         struct world_light *light = &world->lights[i];
-
-         v3_muls( light->colour, light->colour[3] * 2.0f,
-                  world->ub_lighting.g_point_light_colours[i] );
-         v3_copy( light->co, 
-                  world->ub_lighting.g_point_light_positions[i] );
-      }
-
       /* upload full buffer */
       glBindBuffer( GL_UNIFORM_BUFFER, world->ubo_lighting );
       glBufferSubData( GL_UNIFORM_BUFFER, 0,