Shadows for terrain #3595
Shadows for terrain #3595
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| // TODO : should have a better way of modifying the GlobeVS and GlobeFS shaders... | ||
| vs.sources[1] = ShadowMapShader.createReceiveShadowsVertexShader(vs.sources[1]); | ||
| fs.sources[0] = ShadowMapShader.createReceiveShadowsFragmentShader(fs.sources[0], frameState.context); | ||
| } |
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This was the easiest way for me to modify the Globe shader to support shadows. I am open to other ideas.
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This is fine for now - standard for the globe shader.
Longer-term (which could be soon), we need a better low-level material system (that still allows dynamically recompiling the shader for when the shadow flags are enabled/disabled). Perhaps we will beef up ShaderProgram to know about shadows, and add flags to commands for if they cast/receive shadows.
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For those interested in a screenshot:
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| var shadowCastPrograms = this._shadowCastPrograms; | ||
| for (flags in shadowCastPrograms) { | ||
| if (shadowCastPrograms.hasOwnProperty(flags)) { |
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Also longer-term, the pick shader can likely be the same as the shadow cast shader since all it wants to do is render depth for opaque geometry.
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Once again, awesome progress here! The code is all good with me. @bagnell please merge if you want to take a quick look. |
For #2594
Terrain casting and receiving shadows. Like
PrimitiveI had to modify the terrain uniform map to support relative-to-center that doesn't automatically use the scene's camera.