Blending Mode Configuration
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Description
**Is your feature request related to a problem? Please describe.**
The blending mode of custom material I need is specified as follows:
`mRasterState.blendFunctionSrcRGB = BlendFunction::ONE_MINUS_DST_ALPHA;
mRasterState.blendFunctionSrcAlpha = BlendFunction::ONE_MINUS_DST_ALPHA;
mRasterState.blendFunctionDstRGB = BlendFunction::ONE;
mRasterState.blendFunctionDstAlpha = BlendFunction::ONE;
`
However, the engine's default blending mode does not have this option. The default settings are:
`mRasterState.blendFunctionSrcRGB = BlendFunction::ONE;
mRasterState.blendFunctionSrcAlpha = BlendFunction::ONE;
mRasterState.blendFunctionDstRGB = BlendFunction::ONE_MINUS_SRC_ALPHA;
mRasterState.blendFunctionDstAlpha = BlendFunction::ONE_MINUS_SRC_ALPHA;
mRasterState.depthWrite = false;
`
When I modify the source code to use the required mode, the image displays as a black screen and does not render correctly. Could you please advise on how to proceed?
**Describe the solution you'd like**
can support the blend mode set to `mRasterState.blendFunctionSrcRGB = BlendFunction::ONE_MINUS_DST_ALPHA;
mRasterState.blendFunctionSrcAlpha = BlendFunction::ONE_MINUS_DST_ALPHA;
mRasterState.blendFunctionDstRGB = BlendFunction::ONE;
mRasterState.blendFunctionDstAlpha = BlendFunction::ONE;`
**Describe alternatives you've considered**
How to modify the source code to support the above blending mode?
**OS and backend**
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Assessment
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