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Sprite batching

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This commit is contained in:
Felipe Alfonso 2018-01-23 13:38:58 -03:00
parent 6153a34103
commit 822fc052ee
2 changed files with 119 additions and 6 deletions
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8
src/renderer/webgl/WebGLRenderer.js
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@ -204,13 +204,11 @@ var WebGLRenderer = new Class({
return this;
},
setPipeline: function (pipelineName, overrideProgram)
setPipeline: function (pipelineInstance, overrideProgram)
{
var pipeline = this.getPipeline(pipelineName);
if (this.currentPipeline !== pipeline)
if (this.currentPipeline !== pipelineInstance)
{
this.currentPipeline = pipeline;
this.currentPipeline = pipelineInstance;
this.currentPipeline.bind(overrideProgram);
}

117
src/renderer/webgl/pipelines/TextureTintPipeline.js
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@ -93,7 +93,7 @@ var TextureTintPipeline = new Class({
drawBlitter: function (blitter, camera)
{
this.renderer.setPipeline('TextureTintPipeline', blitter.shader);
this.renderer.setPipeline(this);
var vertexViewF32 = this.vertexViewF32;
var vertexViewU32 = this.vertexViewU32;
@ -191,6 +191,121 @@ var TextureTintPipeline = new Class({
this.vertexCount = (batchSize * 6);
this.flush();
}
},
batchSprite: function (sprite, camera)
{
this.renderer.setPipeline(this);
if (this.vertexCount + 6 > this.vertexCapacity)
{
this.flush();
}
var vertexViewF32 = this.vertexViewF32;
var vertexViewU32 = this.vertexViewU32;
var shader = this.currentProgram;
var cameraMatrix = camera.matrix.matrix;
var a = cameraMatrix[0];
var b = cameraMatrix[1];
var c = cameraMatrix[2];
var d = cameraMatrix[3];
var e = cameraMatrix[4];
var f = cameraMatrix[5];
var frame = sprite.frame;
var texture = frame.texture.source[frame.sourceIndex].glTexture;
var forceFlipY = (texture.isRenderTexture ? true : false);
var flipX = sprite.flipX;
var flipY = sprite.flipY ^ forceFlipY;
var uvs = frame.uvs;
var width = frame.width * (flipX ? -1.0 : 1.0);
var height = frame.height * (flipY ? -1.0 : 1.0);
var x = -sprite.displayOriginX + frame.x + ((frame.width) * (flipX ? 1.0 : 0.0));
var y = -sprite.displayOriginY + frame.y + ((frame.height) * (flipY ? 1.0 : 0.0));
var xw = x + width;
var yh = y + height;
var translateX = sprite.x - camera.scrollX * sprite.scrollFactorX;
var translateY = sprite.y - camera.scrollY * sprite.scrollFactorY;
var scaleX = sprite.scaleX;
var scaleY = sprite.scaleY;
var rotation = -sprite.rotation;
var alphaTL = sprite._alphaTL;
var alphaTR = sprite._alphaTR;
var alphaBL = sprite._alphaBL;
var alphaBR = sprite._alphaBR;
var tintTL = sprite._tintTL;
var tintTR = sprite._tintTR;
var tintBL = sprite._tintBL;
var tintBR = sprite._tintBR;
var sr = Math.sin(rotation);
var cr = Math.cos(rotation);
var sra = cr * scaleX;
var srb = -sr * scaleX;
var src = sr * scaleY;
var srd = cr * scaleY;
var sre = translateX;
var srf = translateY;
var cma = cameraMatrix[0];
var cmb = cameraMatrix[1];
var cmc = cameraMatrix[2];
var cmd = cameraMatrix[3];
var cme = cameraMatrix[4];
var cmf = cameraMatrix[5];
var mva = sra * cma + srb * cmc;
var mvb = sra * cmb + srb * cmd;
var mvc = src * cma + srd * cmc;
var mvd = src * cmb + srd * cmd;
var mve = sre * cma + srf * cmc + cme;
var mvf = sre * cmb + srf * cmd + cmf;
var tx0 = x * mva + y * mvc + mve;
var ty0 = x * mvb + y * mvd + mvf;
var tx1 = x * mva + yh * mvc + mve;
var ty1 = x * mvb + yh * mvd + mvf;
var tx2 = xw * mva + yh * mvc + mve;
var ty2 = xw * mvb + yh * mvd + mvf;
var tx3 = xw * mva + y * mvc + mve;
var ty3 = xw * mvb + y * mvd + mvf;
var getTint = Utils.getTintAppendFloatAlpha;
var tint0 = getTint(tintTL, alphaTL);
var tint1 = getTint(tintTR, alphaTR);
var tint2 = getTint(tintBL, alphaBL);
var tint3 = getTint(tintBR, alphaBR);
renderer.setTexture2D(frame.texture.source[frame.sourceIndex].glTexture, 0);
vertexViewF32[0] = tx0;
vertexViewF32[1] = ty0;
vertexViewF32[2] = uvs.x0;
vertexViewF32[3] = uvs.y0;
vertexViewU32[4] = tint0;
vertexViewF32[5] = tx1;
vertexViewF32[6] = ty1;
vertexViewF32[7] = uvs.x1;
vertexViewF32[8] = uvs.y1;
vertexViewU32[9] = tint1;
vertexViewF32[10] = tx2;
vertexViewF32[11] = ty2;
vertexViewF32[12] = uvs.x2;
vertexViewF32[13] = uvs.y2;
vertexViewU32[14] = tint2;
vertexViewF32[15] = tx0;
vertexViewF32[16] = ty0;
vertexViewF32[17] = uvs.x0;
vertexViewF32[18] = uvs.y0;
vertexViewU32[19] = tint0;
vertexViewF32[20] = tx2;
vertexViewF32[21] = ty2;
vertexViewF32[22] = uvs.x2;
vertexViewF32[23] = uvs.y2;
vertexViewU32[24] = tint2;
vertexViewF32[25] = tx3;
vertexViewF32[26] = ty3;
vertexViewF32[27] = uvs.x3;
vertexViewF32[28] = uvs.y3;
vertexViewU32[29] = tint3;
this.vertexCount += 6;
}
});