Wrap WebGL shader code in define condition

This commit is contained in:
Andreas Hocevar
2017-01-02 22:01:58 +01:00
parent 9c79564676
commit dcbf3a97e8
7 changed files with 700 additions and 672 deletions
@@ -6,111 +6,115 @@ goog.require('ol.webgl.Fragment');
goog.require('ol.webgl.Vertex');
/**
* @constructor
* @extends {ol.webgl.Fragment}
* @struct
*/
ol.render.webgl.polygonreplay.defaultshader.Fragment = function() {
ol.webgl.Fragment.call(this, ol.render.webgl.polygonreplay.defaultshader.Fragment.SOURCE);
};
ol.inherits(ol.render.webgl.polygonreplay.defaultshader.Fragment, ol.webgl.Fragment);
/**
* @const
* @type {string}
*/
ol.render.webgl.polygonreplay.defaultshader.Fragment.DEBUG_SOURCE = 'precision mediump float;\n\n\n\nuniform vec4 u_color;\nuniform float u_opacity;\n\nvoid main(void) {\n gl_FragColor = u_color;\n float alpha = u_color.a * u_opacity;\n if (alpha == 0.0) {\n discard;\n }\n gl_FragColor.a = alpha;\n}\n';
/**
* @const
* @type {string}
*/
ol.render.webgl.polygonreplay.defaultshader.Fragment.OPTIMIZED_SOURCE = 'precision mediump float;uniform vec4 e;uniform float f;void main(void){gl_FragColor=e;float alpha=e.a*f;if(alpha==0.0){discard;}gl_FragColor.a=alpha;}';
/**
* @const
* @type {string}
*/
ol.render.webgl.polygonreplay.defaultshader.Fragment.SOURCE = ol.render.webgl.polygonreplay.defaultshader.Fragment.OPTIMIZED_SOURCE;
ol.render.webgl.polygonreplay.defaultshader.fragment = new ol.render.webgl.polygonreplay.defaultshader.Fragment();
/**
* @constructor
* @extends {ol.webgl.Vertex}
* @struct
*/
ol.render.webgl.polygonreplay.defaultshader.Vertex = function() {
ol.webgl.Vertex.call(this, ol.render.webgl.polygonreplay.defaultshader.Vertex.SOURCE);
};
ol.inherits(ol.render.webgl.polygonreplay.defaultshader.Vertex, ol.webgl.Vertex);
/**
* @const
* @type {string}
*/
ol.render.webgl.polygonreplay.defaultshader.Vertex.DEBUG_SOURCE = '\n\nattribute vec2 a_position;\n\nuniform mat4 u_projectionMatrix;\nuniform mat4 u_offsetScaleMatrix;\nuniform mat4 u_offsetRotateMatrix;\n\nvoid main(void) {\n gl_Position = u_projectionMatrix * vec4(a_position, 0.0, 1.0);\n}\n\n\n';
/**
* @const
* @type {string}
*/
ol.render.webgl.polygonreplay.defaultshader.Vertex.OPTIMIZED_SOURCE = 'attribute vec2 a;uniform mat4 b;uniform mat4 c;uniform mat4 d;void main(void){gl_Position=b*vec4(a,0.0,1.0);}';
/**
* @const
* @type {string}
*/
ol.render.webgl.polygonreplay.defaultshader.Vertex.SOURCE = ol.render.webgl.polygonreplay.defaultshader.Vertex.OPTIMIZED_SOURCE;
ol.render.webgl.polygonreplay.defaultshader.vertex = new ol.render.webgl.polygonreplay.defaultshader.Vertex();
/**
* @constructor
* @param {WebGLRenderingContext} gl GL.
* @param {WebGLProgram} program Program.
* @struct
*/
ol.render.webgl.polygonreplay.defaultshader.Locations = function(gl, program) {
if (ol.ENABLE_WEBGL) {
/**
* @type {WebGLUniformLocation}
* @constructor
* @extends {ol.webgl.Fragment}
* @struct
*/
this.u_color = gl.getUniformLocation(program, 'e');
ol.render.webgl.polygonreplay.defaultshader.Fragment = function() {
ol.webgl.Fragment.call(this, ol.render.webgl.polygonreplay.defaultshader.Fragment.SOURCE);
};
ol.inherits(ol.render.webgl.polygonreplay.defaultshader.Fragment, ol.webgl.Fragment);
/**
* @type {WebGLUniformLocation}
* @const
* @type {string}
*/
this.u_offsetRotateMatrix = gl.getUniformLocation(program, 'd');
ol.render.webgl.polygonreplay.defaultshader.Fragment.DEBUG_SOURCE = 'precision mediump float;\n\n\n\nuniform vec4 u_color;\nuniform float u_opacity;\n\nvoid main(void) {\n gl_FragColor = u_color;\n float alpha = u_color.a * u_opacity;\n if (alpha == 0.0) {\n discard;\n }\n gl_FragColor.a = alpha;\n}\n';
/**
* @type {WebGLUniformLocation}
* @const
* @type {string}
*/
this.u_offsetScaleMatrix = gl.getUniformLocation(program, 'c');
ol.render.webgl.polygonreplay.defaultshader.Fragment.OPTIMIZED_SOURCE = 'precision mediump float;uniform vec4 e;uniform float f;void main(void){gl_FragColor=e;float alpha=e.a*f;if(alpha==0.0){discard;}gl_FragColor.a=alpha;}';
/**
* @type {WebGLUniformLocation}
* @const
* @type {string}
*/
this.u_opacity = gl.getUniformLocation(program, 'f');
ol.render.webgl.polygonreplay.defaultshader.Fragment.SOURCE = ol.render.webgl.polygonreplay.defaultshader.Fragment.OPTIMIZED_SOURCE;
ol.render.webgl.polygonreplay.defaultshader.fragment = new ol.render.webgl.polygonreplay.defaultshader.Fragment();
/**
* @type {WebGLUniformLocation}
* @constructor
* @extends {ol.webgl.Vertex}
* @struct
*/
this.u_projectionMatrix = gl.getUniformLocation(program, 'b');
ol.render.webgl.polygonreplay.defaultshader.Vertex = function() {
ol.webgl.Vertex.call(this, ol.render.webgl.polygonreplay.defaultshader.Vertex.SOURCE);
};
ol.inherits(ol.render.webgl.polygonreplay.defaultshader.Vertex, ol.webgl.Vertex);
/**
* @type {number}
* @const
* @type {string}
*/
this.a_position = gl.getAttribLocation(program, 'a');
};
ol.render.webgl.polygonreplay.defaultshader.Vertex.DEBUG_SOURCE = '\n\nattribute vec2 a_position;\n\nuniform mat4 u_projectionMatrix;\nuniform mat4 u_offsetScaleMatrix;\nuniform mat4 u_offsetRotateMatrix;\n\nvoid main(void) {\n gl_Position = u_projectionMatrix * vec4(a_position, 0.0, 1.0);\n}\n\n\n';
/**
* @const
* @type {string}
*/
ol.render.webgl.polygonreplay.defaultshader.Vertex.OPTIMIZED_SOURCE = 'attribute vec2 a;uniform mat4 b;uniform mat4 c;uniform mat4 d;void main(void){gl_Position=b*vec4(a,0.0,1.0);}';
/**
* @const
* @type {string}
*/
ol.render.webgl.polygonreplay.defaultshader.Vertex.SOURCE = ol.render.webgl.polygonreplay.defaultshader.Vertex.OPTIMIZED_SOURCE;
ol.render.webgl.polygonreplay.defaultshader.vertex = new ol.render.webgl.polygonreplay.defaultshader.Vertex();
/**
* @constructor
* @param {WebGLRenderingContext} gl GL.
* @param {WebGLProgram} program Program.
* @struct
*/
ol.render.webgl.polygonreplay.defaultshader.Locations = function(gl, program) {
/**
* @type {WebGLUniformLocation}
*/
this.u_color = gl.getUniformLocation(program, 'e');
/**
* @type {WebGLUniformLocation}
*/
this.u_offsetRotateMatrix = gl.getUniformLocation(program, 'd');
/**
* @type {WebGLUniformLocation}
*/
this.u_offsetScaleMatrix = gl.getUniformLocation(program, 'c');
/**
* @type {WebGLUniformLocation}
*/
this.u_opacity = gl.getUniformLocation(program, 'f');
/**
* @type {WebGLUniformLocation}
*/
this.u_projectionMatrix = gl.getUniformLocation(program, 'b');
/**
* @type {number}
*/
this.a_position = gl.getAttribLocation(program, 'a');
};
}