Files
openlayers/src/ol/renderer/webgl/webgltilelayer.glsl
Tom Payne c6cd3e0227 Refactor glsl-unit templates
This abuses the template system to allow both a single anonymous shader
and multiple named shaders to be defined in a namespace.
2013-04-08 15:57:26 +02:00

26 lines
469 B
GLSL

//! NAMESPACE=ol.renderer.webgl.tilelayer.shader
//! CLASS=ol.renderer.webgl.tilelayer.shader.
//! COMMON
varying vec2 v_texCoord;
//! VERTEX
attribute vec2 a_position;
attribute vec2 a_texCoord;
uniform vec4 u_tileOffset;
void main(void) {
gl_Position = vec4(a_position * u_tileOffset.xy + u_tileOffset.zw, 0., 1.);
v_texCoord = a_texCoord;
}
//! FRAGMENT
uniform sampler2D u_texture;
void main(void) {
gl_FragColor = texture2D(u_texture, v_texCoord);
}