5 files changed, 27 insertions, 8 deletions
diff --git a/drivers/gles3/rasterizer_gles3.cpp b/drivers/gles3/rasterizer_gles3.cpp
index 72a3c3256b..220a3533b7 100644
--- a/drivers/gles3/rasterizer_gles3.cpp
+++ b/drivers/gles3/rasterizer_gles3.cpp
@@ -168,9 +168,11 @@ void RasterizerGLES3::initialize() {
 #ifdef __APPLE__
 // FIXME glDebugMessageCallbackARB does not seem to work on Mac OS X and opengl 3, this may be an issue with our opengl canvas..
 #else
-	glEnable(_EXT_DEBUG_OUTPUT_SYNCHRONOUS_ARB);
-	glDebugMessageCallbackARB(_gl_debug_print, NULL);
-	glEnable(_EXT_DEBUG_OUTPUT);
+	if (OS::get_singleton()->is_stdout_verbose()) {
+		glEnable(_EXT_DEBUG_OUTPUT_SYNCHRONOUS_ARB);
+		glDebugMessageCallbackARB(_gl_debug_print, NULL);
+		glEnable(_EXT_DEBUG_OUTPUT);
+	}
 #endif
 
 #endif
diff --git a/drivers/gles3/rasterizer_scene_gles3.cpp b/drivers/gles3/rasterizer_scene_gles3.cpp
index 9a92e63c0c..0c57e4e9cf 100644
--- a/drivers/gles3/rasterizer_scene_gles3.cpp
+++ b/drivers/gles3/rasterizer_scene_gles3.cpp
@@ -4282,7 +4282,7 @@ void RasterizerSceneGLES3::render_scene(const Transform &p_cam_transform, const
 			if (i > 0) {
 				glEnable(GL_BLEND);
 			}
-			_setup_directional_light(i, p_cam_transform.affine_inverse(), shadow_atlas != NULL);
+			_setup_directional_light(i, p_cam_transform.affine_inverse(), shadow_atlas != NULL && shadow_atlas->size > 0);
 			_render_list(render_list.elements, render_list.element_count, p_cam_transform, p_cam_projection, env_radiance_tex, false, false, false, i > 0, shadow_atlas != NULL);
 		}
 	}
@@ -4345,7 +4345,7 @@ void RasterizerSceneGLES3::render_scene(const Transform &p_cam_transform, const
 	} else {
 		for (int i = 0; i < state.directional_light_count; i++) {
 			directional_light = directional_lights[i];
-			_setup_directional_light(i, p_cam_transform.affine_inverse(), shadow_atlas != NULL);
+			_setup_directional_light(i, p_cam_transform.affine_inverse(), shadow_atlas != NULL && shadow_atlas->size > 0);
 			_render_list(&render_list.elements[render_list.max_elements - render_list.alpha_element_count], render_list.alpha_element_count, p_cam_transform, p_cam_projection, env_radiance_tex, false, true, false, i > 0, shadow_atlas != NULL);
 		}
 	}
diff --git a/drivers/gles3/rasterizer_storage_gles3.cpp b/drivers/gles3/rasterizer_storage_gles3.cpp
index 296d945cda..5071fbba01 100644
--- a/drivers/gles3/rasterizer_storage_gles3.cpp
+++ b/drivers/gles3/rasterizer_storage_gles3.cpp
@@ -2866,7 +2866,7 @@ void RasterizerStorageGLES3::mesh_add_surface(RID p_mesh, uint32_t p_format, VS:
 
 		glGenBuffers(1, &surface->vertex_id);
 		glBindBuffer(GL_ARRAY_BUFFER, surface->vertex_id);
-		glBufferData(GL_ARRAY_BUFFER, array_size, vr.ptr(), GL_STATIC_DRAW);
+		glBufferData(GL_ARRAY_BUFFER, array_size, vr.ptr(), p_format & VS::ARRAY_FLAG_USE_DYNAMIC_UPDATE ? GL_DYNAMIC_DRAW : GL_STATIC_DRAW);
 		glBindBuffer(GL_ARRAY_BUFFER, 0); //unbind
 
 		if (p_format & VS::ARRAY_FORMAT_INDEX) {
@@ -3104,6 +3104,22 @@ VS::BlendShapeMode RasterizerStorageGLES3::mesh_get_blend_shape_mode(RID p_mesh)
 	return mesh->blend_shape_mode;
 }
 
+void RasterizerStorageGLES3::mesh_surface_update_region(RID p_mesh, int p_surface, int p_offset, const PoolVector<uint8_t> &p_data) {
+
+	Mesh *mesh = mesh_owner.getornull(p_mesh);
+	ERR_FAIL_COND(!mesh);
+	ERR_FAIL_INDEX(p_surface, mesh->surfaces.size());
+
+	int total_size = p_data.size();
+	ERR_FAIL_COND(p_offset + total_size > mesh->surfaces[p_surface]->array_byte_size);
+
+	PoolVector<uint8_t>::Read r = p_data.read();
+
+	glBindBuffer(GL_ARRAY_BUFFER, mesh->surfaces[p_surface]->array_id);
+	glBufferSubData(GL_ARRAY_BUFFER, p_offset, total_size, r.ptr());
+	glBindBuffer(GL_ARRAY_BUFFER, 0); //unbind
+}
+
 void RasterizerStorageGLES3::mesh_surface_set_material(RID p_mesh, int p_surface, RID p_material) {
 
 	Mesh *mesh = mesh_owner.getornull(p_mesh);
diff --git a/drivers/gles3/rasterizer_storage_gles3.h b/drivers/gles3/rasterizer_storage_gles3.h
index 6abc22b643..bd5aad29c9 100644
--- a/drivers/gles3/rasterizer_storage_gles3.h
+++ b/drivers/gles3/rasterizer_storage_gles3.h
@@ -692,6 +692,8 @@ public:
 	virtual void mesh_set_blend_shape_mode(RID p_mesh, VS::BlendShapeMode p_mode);
 	virtual VS::BlendShapeMode mesh_get_blend_shape_mode(RID p_mesh) const;
 
+	virtual void mesh_surface_update_region(RID p_mesh, int p_surface, int p_offset, const PoolVector<uint8_t> &p_data);
+
 	virtual void mesh_surface_set_material(RID p_mesh, int p_surface, RID p_material);
 	virtual RID mesh_surface_get_material(RID p_mesh, int p_surface) const;
 
diff --git a/drivers/gles3/shaders/canvas.glsl b/drivers/gles3/shaders/canvas.glsl
index 731d6968ce..4bbb18ce42 100644
--- a/drivers/gles3/shaders/canvas.glsl
+++ b/drivers/gles3/shaders/canvas.glsl
@@ -381,8 +381,7 @@ void main() {
 
 	if (clip_rect_uv) {
 
-		vec2 half_texpixel = color_texpixel_size * 0.5;
-		uv = clamp(uv,src_rect.xy+half_texpixel,src_rect.xy+abs(src_rect.zw)-color_texpixel_size);
+		uv = clamp(uv,src_rect.xy,src_rect.xy+abs(src_rect.zw));
 	}
 
 #endif