[client] egl: migrate cursor code into seperate unit

client/renderers/egl/progs.h

@@ -43,51 +43,6 @@ void main()\
 }\
 ";
 
-static const char egl_vertex_shader_mouse[] = "\
-#version 300 es\n\
-\
-layout(location = 0) in vec3 vertexPosition_modelspace;\
-layout(location = 1) in vec2 vertexUV;\
-\
-uniform vec4 mouse;\
-\
-out highp vec2 uv;\
-\
-void main()\
-{\
-  gl_Position.xyz = vertexPosition_modelspace;\
-  gl_Position.w   = 1.0;\
-  \
-  gl_Position.x += 1.0f;\
-  gl_Position.y -= 1.0f;\
-  \
-  gl_Position.x *= mouse.z;\
-  gl_Position.y *= mouse.w;\
-  \
-  gl_Position.x += mouse.x;\
-  gl_Position.y -= mouse.y;\
-  \
-  uv = vertexUV;\
-}\
-";
-
-static const char egl_fragment_shader_mouse_mono[] = "\
-#version 300 es\n\
-\
-in  highp vec2 uv;\
-out highp vec4 color;\
-\
-uniform sampler2D sampler1;\
- \
-void main()\
-{\
-  highp vec4 tmp = texture(sampler1, uv);\
-  if (tmp.rgb == vec3(0.0, 0.0, 0.0))\
-    discard;\
-  color = tmp;\
-}\
-";
-
 static const char egl_fragment_shader_rgba[] = "\
 #version 300 es\n\
 \