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Moved uploadCanvasToGPU to WebGLRenderer

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This commit is contained in:
Felipe Alfonso 2017-03-21 17:45:57 -03:00
parent 0cdb150357
commit 58e4912633
3 changed files with 43 additions and 36 deletions
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44
v3/src/gameobjects/text/static/Text.js
View file

@ -65,7 +65,7 @@ var Text = new Class({
this.width = 1;
this.height = 1;
this.gpuBuffer = null;
this.canvasTexture = null;
this.prevWidth = this.canvas.width;
this.prevHeight = this.canvas.height;
@ -260,45 +260,19 @@ var Text = new Class({
if (this.state.game.config.renderType === Phaser.WEBGL)
{
this.uploadToGPU();
this.canvasTexture = this.state.game.renderer.uploadCanvasToGPU(
this.canvas,
this.canvasTexture,
!(this.prevWidth < canvas.width || this.prevHeight < canvas.height)
);
this.prevWidth = canvas.width;
this.prevHeight = canvas.height;
}
return this;
},
uploadToGPU: function ()
{
var gl = this.state.game.renderer.gl;
var currentTexture2D = this.state.game.renderer.currentTexture2D;
var canvas = this.canvas;
if (this.gpuBuffer === null)
{
this.gpuBuffer = gl.createTexture();
}
if (this.prevWidth < canvas.width || this.prevHeight < canvas.height)
{
/* New canvas is too big. We need to reallocate the texture */
gl.bindTexture(gl.TEXTURE_2D, this.gpuBuffer);
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, canvas);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
this.prevWidth = canvas.width;
this.prevHeight = canvas.height;
}
else
{
/* if the canvas is smaller we just update the resource */
gl.bindTexture(gl.TEXTURE_2D, this.gpuBuffer);
gl.texSubImage2D(gl.TEXTURE_2D, 0, 0, 0, gl.RGBA, gl.UNSIGNED_BYTE, canvas);
}
/* we must rebind old texture */
gl.bindTexture(gl.TEXTURE_2D, currentTexture2D);
}
});
module.exports = Text;

2
v3/src/gameobjects/text/static/TextWebGLRenderer.js
View file

@ -5,7 +5,7 @@ var TextWebGLRenderer = function (renderer, src, interpolationPercentage, camera
return;
}
renderer.spriteBatch.addSpriteTexture(src, camera, src.gpuBuffer, src.prevWidth, src.prevHeight);
renderer.spriteBatch.addSpriteTexture(src, camera, src.canvasTexture, src.prevWidth, src.prevHeight);
};
module.exports = TextWebGLRenderer;

33
v3/src/renderer/webgl/WebGLRenderer.js
View file

@ -343,6 +343,39 @@ WebGLRenderer.prototype = {
return batchInstance;
}
return null;
},
uploadCanvasToGPU: function (srcCanvas, dstTexture, shouldUpdateResource)
{
var gl = this.gl;
if (!dstTexture)
{
/* only call this once */
dstTexture = gl.createTexture();
}
if (shouldUpdateResource)
{
/* Update resource */
gl.bindTexture(gl.TEXTURE_2D, dstTexture);
gl.texSubImage2D(gl.TEXTURE_2D, 0, 0, 0, gl.RGBA, gl.UNSIGNED_BYTE, srcCanvas);
}
else
{
/* Allocate or Reallocate resource */
gl.bindTexture(gl.TEXTURE_2D, dstTexture);
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, srcCanvas);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
}
/* we must rebind old texture */
gl.bindTexture(gl.TEXTURE_2D, this.currentTexture2D);
return dstTexture;
}
};