30 lines
585 B
GLSL
30 lines
585 B
GLSL
//! MODULE=ol/renderer/webgl/defaultmapshader
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//! COMMON
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varying vec2 v_texCoord;
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//! VERTEX
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attribute vec2 a_position;
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attribute vec2 a_texCoord;
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uniform mat4 u_texCoordMatrix;
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uniform mat4 u_projectionMatrix;
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void main(void) {
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gl_Position = u_projectionMatrix * vec4(a_position, 0., 1.);
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v_texCoord = (u_texCoordMatrix * vec4(a_texCoord, 0., 1.)).st;
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}
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//! FRAGMENT
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uniform float u_opacity;
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uniform sampler2D u_texture;
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void main(void) {
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vec4 texColor = texture2D(u_texture, v_texCoord);
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gl_FragColor.rgb = texColor.rgb;
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gl_FragColor.a = texColor.a * u_opacity;
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}
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