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Support rendering a shader to a texture instead of the display list

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This commit is contained in:
Richard Davey 2019-06-21 16:08:29 +01:00
parent 22b107b903
commit ba0c380109
1 changed files with 36 additions and 28 deletions
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64
src/gameobjects/shader/ShaderWebGLRenderer.js
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@ -30,40 +30,48 @@ var ShaderWebGLRenderer = function (renderer, src, interpolationPercentage, came
renderer.clearPipeline();
var camMatrix = src._tempMatrix1;
var shapeMatrix = src._tempMatrix2;
var calcMatrix = src._tempMatrix3;
shapeMatrix.applyITRS(src.x, src.y, src.rotation, src.scaleX, src.scaleY);
camMatrix.copyFrom(camera.matrix);
if (parentMatrix)
if (src.renderToTexture)
{
// Multiply the camera by the parent matrix
camMatrix.multiplyWithOffset(parentMatrix, -camera.scrollX * src.scrollFactorX, -camera.scrollY * src.scrollFactorY);
// Undo the camera scroll
shapeMatrix.e = src.x;
shapeMatrix.f = src.y;
src.load();
src.flush();
}
else
{
shapeMatrix.e -= camera.scrollX * src.scrollFactorX;
shapeMatrix.f -= camera.scrollY * src.scrollFactorY;
var camMatrix = src._tempMatrix1;
var shapeMatrix = src._tempMatrix2;
var calcMatrix = src._tempMatrix3;
shapeMatrix.applyITRS(src.x, src.y, src.rotation, src.scaleX, src.scaleY);
camMatrix.copyFrom(camera.matrix);
if (parentMatrix)
{
// Multiply the camera by the parent matrix
camMatrix.multiplyWithOffset(parentMatrix, -camera.scrollX * src.scrollFactorX, -camera.scrollY * src.scrollFactorY);
// Undo the camera scroll
shapeMatrix.e = src.x;
shapeMatrix.f = src.y;
}
else
{
shapeMatrix.e -= camera.scrollX * src.scrollFactorX;
shapeMatrix.f -= camera.scrollY * src.scrollFactorY;
}
camMatrix.multiply(shapeMatrix, calcMatrix);
// Renderer size changed?
if (renderer.width !== src._rendererWidth || renderer.height !== src._rendererHeight)
{
src.projOrtho(0, renderer.width, renderer.height, 0);
}
src.load(calcMatrix.matrix);
src.flush();
}
camMatrix.multiply(shapeMatrix, calcMatrix);
// Renderer size changed?
if (renderer.width !== src._rendererWidth || renderer.height !== src._rendererHeight)
{
src.projOrtho(0, renderer.width, renderer.height, 0);
}
src.load(calcMatrix.matrix);
src.flush();
renderer.rebindPipeline(pipeline);
};