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WebGL Render Bug Fix

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This commit is contained in:
Mat Groves 2013-06-24 15:32:52 +01:00
parent 953a19ff5c
commit c6e6f7458e
36 changed files with 729 additions and 340 deletions
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31
docs/files/src_pixi_renderers_webgl_WebGLShaders.js.html
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@ -168,6 +168,7 @@ PIXI.shaderVertexSrc = [
"attribute vec2 aTextureCoord;",
"attribute float aColor;",
//"uniform mat4 uMVMatrix;",
"uniform vec2 projectionVector;",
"varying vec2 vTextureCoord;",
"varying float vColor;",
@ -182,6 +183,20 @@ PIXI.shaderVertexSrc = [
/*
* the triangle strip shader..
*/
PIXI.stripShaderFragmentSrc = [
"precision mediump float;",
"varying vec2 vTextureCoord;",
"varying float vColor;",
"uniform float alpha;",
"uniform sampler2D uSampler;",
"void main(void) {",
"gl_FragColor = texture2D(uSampler, vec2(vTextureCoord.x, vTextureCoord.y));",
"gl_FragColor = gl_FragColor * alpha;",
"}"
];
PIXI.stripShaderVertexSrc = [
"attribute vec2 aVertexPosition;",
"attribute vec2 aTextureCoord;",
@ -216,16 +231,18 @@ PIXI.primitiveShaderVertexSrc = [
"attribute vec4 aColor;",
"uniform mat3 translationMatrix;",
"uniform vec2 projectionVector;",
"uniform float alpha;",
"varying vec4 vColor;",
"void main(void) {",
"vec3 v = translationMatrix * vec3(aVertexPosition, 1.0);",
"gl_Position = vec4( v.x / projectionVector.x -1.0, v.y / -projectionVector.y + 1.0 , 0.0, 1.0);",
"vColor = aColor;",
"vColor = aColor * alpha;",
"}"
];
PIXI.initPrimitiveShader = function()
{
return;
var gl = PIXI.gl;
var shaderProgram = PIXI.compileProgram(PIXI.primitiveShaderVertexSrc, PIXI.primitiveShaderFragmentSrc)
@ -234,8 +251,11 @@ PIXI.initPrimitiveShader = function()
shaderProgram.vertexPositionAttribute = gl.getAttribLocation(shaderProgram, "aVertexPosition");
shaderProgram.colorAttribute = gl.getAttribLocation(shaderProgram, "aColor");
shaderProgram.projectionVector = gl.getUniformLocation(shaderProgram, "projectionVector");
shaderProgram.translationMatrix = gl.getUniformLocation(shaderProgram, "translationMatrix");
shaderProgram.alpha = gl.getUniformLocation(shaderProgram, "alpha");
PIXI.primitiveProgram = shaderProgram;
}
@ -252,7 +272,7 @@ PIXI.initDefaultShader = function()
shaderProgram.textureCoordAttribute = gl.getAttribLocation(shaderProgram, "aTextureCoord");
shaderProgram.colorAttribute = gl.getAttribLocation(shaderProgram, "aColor");
shaderProgram.mvMatrixUniform = gl.getUniformLocation(shaderProgram, "uMVMatrix");
// shaderProgram.mvMatrixUniform = gl.getUniformLocation(shaderProgram, "uMVMatrix");
shaderProgram.samplerUniform = gl.getUniformLocation(shaderProgram, "uSampler");
PIXI.shaderProgram = shaderProgram;
@ -261,7 +281,7 @@ PIXI.initDefaultShader = function()
PIXI.initDefaultStripShader = function()
{
var gl = this.gl;
var shaderProgram = PIXI.compileProgram(PIXI.stripShaderVertexSrc, PIXI.shaderFragmentSrc)
var shaderProgram = PIXI.compileProgram(PIXI.stripShaderVertexSrc, PIXI.stripShaderFragmentSrc)
gl.useProgram(shaderProgram);
@ -269,6 +289,7 @@ PIXI.initDefaultStripShader = function()
shaderProgram.projectionVector = gl.getUniformLocation(shaderProgram, "projectionVector");
shaderProgram.textureCoordAttribute = gl.getAttribLocation(shaderProgram, "aTextureCoord");
shaderProgram.translationMatrix = gl.getUniformLocation(shaderProgram, "translationMatrix");
shaderProgram.alpha = gl.getUniformLocation(shaderProgram, "alpha");
shaderProgram.colorAttribute = gl.getAttribLocation(shaderProgram, "aColor");
@ -311,9 +332,13 @@ PIXI.activateDefaultShader = function()
gl.useProgram(shaderProgram);
gl.enableVertexAttribArray(shaderProgram.vertexPositionAttribute);
gl.enableVertexAttribArray(shaderProgram.textureCoordAttribute);
gl.enableVertexAttribArray(shaderProgram.colorAttribute);
}
PIXI.compileProgram = function(vertexSrc, fragmentSrc)