Fix framebuffer completeness being broken after last framebuffer cleanup

commits.

Basically, we don't set a draw buffer until draw time comes. Also add
explicit validation function to validate after all textures have been
attached (could be done automatically at bind time too probably, but
left out for now)

1 files changed, 15 insertions, 0 deletions

diff --git a/source/blender/gpu/intern/gpu_material.c b/source/blender/gpu/intern/gpu_material.c
index d6244b4255b..e4228bedf9d 100644
--- a/source/blender/gpu/intern/gpu_material.c
+++ b/source/blender/gpu/intern/gpu_material.c
@@ -1868,6 +1868,11 @@ GPULamp *GPU_lamp_from_blender(Scene *scene, Object *ob, Object *par)
 				return lamp;
 			}
 
+			if (!GPU_framebuffer_check_valid(lamp->fb, NULL)) {
+				gpu_lamp_shadow_free(lamp);
+				return lamp;				
+			}
+			
 			/* FBO and texture for blurring */
 			lamp->blurfb = GPU_framebuffer_create();
 			if (!lamp->blurfb) {
@@ -1885,6 +1890,11 @@ GPULamp *GPU_lamp_from_blender(Scene *scene, Object *ob, Object *par)
 				gpu_lamp_shadow_free(lamp);
 				return lamp;
 			}
+			
+			if (!GPU_framebuffer_check_valid(lamp->blurfb, NULL)) {
+				gpu_lamp_shadow_free(lamp);
+				return lamp;				
+			}			
 		}
 		else {
 			lamp->tex = GPU_texture_create_depth(lamp->size, lamp->size, NULL);
@@ -1897,6 +1907,11 @@ GPULamp *GPU_lamp_from_blender(Scene *scene, Object *ob, Object *par)
 				gpu_lamp_shadow_free(lamp);
 				return lamp;
 			}
+			
+			if (!GPU_framebuffer_check_valid(lamp->fb, NULL)) {
+				gpu_lamp_shadow_free(lamp);
+				return lamp;				
+			}						
 		}
 
 		GPU_framebuffer_restore();