Merge branch 'master' of https://github.com/not-surt/godot into snapping2

Conflicts:
	tools/editor/plugins/canvas_item_editor_plugin.cpp
	tools/editor/plugins/canvas_item_editor_plugin.h

1 files changed, 62 insertions, 0 deletions

diff --git a/drivers/gles2/shaders/canvas_shadow.glsl b/drivers/gles2/shaders/canvas_shadow.glsl
new file mode 100644
index 0000000000..40cf321dce
--- /dev/null
+++ b/drivers/gles2/shaders/canvas_shadow.glsl
@@ -0,0 +1,62 @@
+[vertex]
+
+#ifdef USE_GLES_OVER_GL
+#define mediump
+#define highp
+#else
+precision mediump float;
+precision mediump int;
+#endif
+
+uniform highp mat4 projection_matrix;
+uniform highp mat4 light_matrix;
+uniform highp mat4 world_matrix;
+
+attribute highp vec3 vertex; // attrib:0
+
+#ifndef USE_DEPTH_SHADOWS
+
+varying vec4 position_interp;
+
+#endif
+
+
+void main() {
+
+	gl_Position = projection_matrix * (light_matrix * (world_matrix *  vec4(vertex,1.0)));
+
+#ifndef USE_DEPTH_SHADOWS
+	position_interp = gl_Position;
+#endif
+
+}
+
+[fragment]
+
+#ifdef USE_GLES_OVER_GL
+#define mediump
+#define highp
+#else
+precision mediump float;
+precision mediump int;
+#endif
+
+#ifndef USE_DEPTH_SHADOWS
+
+varying vec4 position_interp;
+
+#endif
+
+void main() {
+
+#ifdef USE_DEPTH_SHADOWS
+
+#else
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0;//bias;
+	highp vec4 comp = fract(depth * vec4(256.0 * 256.0 * 256.0, 256.0 * 256.0, 256.0, 1.0));
+	comp -= comp.xxyz * vec4(0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);
+	gl_FragColor = comp;
+#endif
+
+}
+