5 files changed, 44 insertions, 10 deletions
diff --git a/drivers/gles3/shaders/canvas.glsl b/drivers/gles3/shaders/canvas.glsl
index e97ce62daa..31bae66278 100644
--- a/drivers/gles3/shaders/canvas.glsl
+++ b/drivers/gles3/shaders/canvas.glsl
@@ -90,7 +90,6 @@ uniform int h_frames;
 uniform int v_frames;
 #endif
 
-VERTEX_SHADER_GLOBALS
 
 #if defined(USE_MATERIAL)
 
@@ -102,6 +101,8 @@ MATERIAL_UNIFORMS
 
 #endif
 
+VERTEX_SHADER_GLOBALS
+
 void main() {
 
 	vec4 vertex_color = color_attrib;
@@ -211,6 +212,11 @@ uniform sampler2D screen_texture; // texunit:-3
 
 #endif
 
+#if defined(SCREEN_UV_USED)
+
+uniform vec2 screen_pixel_size;
+#endif
+
 layout(std140) uniform CanvasItemData {
 
 	highp mat4 projection_matrix;
@@ -256,7 +262,7 @@ const bool at_light_pass = false;
 
 uniform mediump vec4 final_modulate;
 
-FRAGMENT_SHADER_GLOBALS
+
 
 
 layout(location=0) out mediump vec4 frag_color;
@@ -272,6 +278,7 @@ MATERIAL_UNIFORMS
 
 #endif
 
+FRAGMENT_SHADER_GLOBALS
 
 void light_compute(inout vec3 light,vec3 light_vec,float light_height,vec4 light_color,vec2 light_uv,vec4 shadow,vec3 normal,vec2 uv,vec2 screen_uv,vec4 color) {
 
@@ -410,8 +417,8 @@ void main() {
 
 
 
-#if defined(ENABLE_SCREEN_UV)
-	vec2 screen_uv = gl_FragCoord.xy*screen_uv_mult;
+#if defined(SCREEN_UV_USED)
+	vec2 screen_uv = gl_FragCoord.xy*screen_pixel_size;
 #endif
 
 
diff --git a/drivers/gles3/shaders/copy.glsl b/drivers/gles3/shaders/copy.glsl
index b0fb525e20..a7c388815d 100644
--- a/drivers/gles3/shaders/copy.glsl
+++ b/drivers/gles3/shaders/copy.glsl
@@ -17,6 +17,12 @@ out vec2 uv_interp;
 
 out vec2 uv2_interp;
 
+#ifdef USE_COPY_SECTION
+
+uniform vec4 copy_section;
+
+#endif
+
 void main() {
 
 #if defined(USE_CUBEMAP) || defined(USE_PANORAMA)
@@ -30,6 +36,13 @@ void main() {
 #endif
 	uv2_interp = uv2_in;
 	gl_Position = vertex_attrib;
+
+#ifdef USE_COPY_SECTION
+
+	uv_interp = copy_section.xy + uv_interp * copy_section.zw;
+	gl_Position.xy = (copy_section.xy + (gl_Position.xy * 0.5 + 0.5) * copy_section.zw) * 2.0 - 1.0;
+#endif
+
 }
 
 [fragment]
diff --git a/drivers/gles3/shaders/effect_blur.glsl b/drivers/gles3/shaders/effect_blur.glsl
index 89afa12f60..8ca8e21f11 100644
--- a/drivers/gles3/shaders/effect_blur.glsl
+++ b/drivers/gles3/shaders/effect_blur.glsl
@@ -6,11 +6,21 @@ layout(location=4) in vec2 uv_in;
 
 out vec2 uv_interp;
 
+#ifdef USE_BLUR_SECTION
+
+uniform vec4 blur_section;
+
+#endif
 
 void main() {
 
-	uv_interp = uv_in;
+	uv_interp = uv_in;	
 	gl_Position = vertex_attrib;
+#ifdef USE_BLUR_SECTION
+
+	uv_interp = blur_section.xy + uv_interp * blur_section.zw;
+	gl_Position.xy = (blur_section.xy + (gl_Position.xy * 0.5 + 0.5) * blur_section.zw) * 2.0 - 1.0;
+#endif
 }
 
 [fragment]
diff --git a/drivers/gles3/shaders/particles.glsl b/drivers/gles3/shaders/particles.glsl
index ec2577538c..6a977a201e 100644
--- a/drivers/gles3/shaders/particles.glsl
+++ b/drivers/gles3/shaders/particles.glsl
@@ -47,7 +47,6 @@ out highp vec4 out_xform_1; //tfb:
 out highp vec4 out_xform_2; //tfb:
 out highp vec4 out_xform_3; //tfb:
 
-VERTEX_SHADER_GLOBALS
 
 #if defined(USE_MATERIAL)
 
@@ -59,6 +58,9 @@ MATERIAL_UNIFORMS
 
 #endif
 
+
+VERTEX_SHADER_GLOBALS
+
 uint hash(uint x) {
 
 	x = ((x >> uint(16)) ^ x) * uint(0x45d9f3b);
@@ -233,7 +235,6 @@ VERTEX_SHADER_CODE
 
 //any code here is never executed, stuff is filled just so it works
 
-FRAGMENT_SHADER_GLOBALS
 
 #if defined(USE_MATERIAL)
 
@@ -245,6 +246,8 @@ MATERIAL_UNIFORMS
 
 #endif
 
+FRAGMENT_SHADER_GLOBALS
+
 void main() {
 
 	{
diff --git a/drivers/gles3/shaders/scene.glsl b/drivers/gles3/shaders/scene.glsl
index a047e693cb..40a295bc83 100644
--- a/drivers/gles3/shaders/scene.glsl
+++ b/drivers/gles3/shaders/scene.glsl
@@ -146,7 +146,7 @@ out vec3 binormal_interp;
 #endif
 
 
-VERTEX_SHADER_GLOBALS
+
 
 
 #if defined(USE_MATERIAL)
@@ -159,6 +159,8 @@ MATERIAL_UNIFORMS
 
 #endif
 
+VERTEX_SHADER_GLOBALS
+
 #ifdef RENDER_DEPTH_DUAL_PARABOLOID
 
 out highp float dp_clip;
@@ -418,8 +420,6 @@ layout(std140) uniform Radiance { //ubo:2
 /* Material Uniforms */
 
 
-FRAGMENT_SHADER_GLOBALS
-
 
 #if defined(USE_MATERIAL)
 
@@ -431,6 +431,7 @@ MATERIAL_UNIFORMS
 
 #endif
 
+FRAGMENT_SHADER_GLOBALS
 
 layout(std140) uniform SceneData {