X-Git-Url: https://git.ucc.asn.au/?p=ipdf%2Fcode.git;a=blobdiff_plain;f=src%2Fshaders%2Frect_vert.glsl;h=bdfd3ea2ee9c8c9167ac0243a5b3c56b8ad30b48;hp=cc15e56fbfd606c3eaaa999ba4628d38839f5d1b;hb=457682a07cf1346aecfec22798e5a49a16db3c1b;hpb=433bde2ed090928b264203c9f422a5b220857120

diff --git a/src/shaders/rect_vert.glsl b/src/shaders/rect_vert.glsl
index cc15e56..bdfd3ea 100644
--- a/src/shaders/rect_vert.glsl
+++ b/src/shaders/rect_vert.glsl
@@ -8,10 +8,17 @@ layout(std140, binding=0) uniform ViewBounds
 	float bounds_y;
 	float bounds_w;
 	float bounds_h;
+	float pixel_x;
+	float pixel_y;
+	float pixel_w;
+	float pixel_h;
 };
 
 layout(location = 0) in vec2 position;
 
+out int objectid;
+out vec2 pixsize;
+
 void main()
 {
 	vec2 transformed_position;
@@ -22,4 +29,6 @@ void main()
 	gl_Position.y = 1 - (transformed_position.y*2);
 	gl_Position.z = 0.0;
 	gl_Position.w = 1.0;
+	pixsize = vec2(pixel_w/bounds_w, 100*pixel_h/bounds_h);
+	objectid = gl_VertexID / 2;
 }