Implement PushBuffer #1684
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Implement PushBuffer #1684
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This will be required for PushBuffer.
Will be required for PushBuffer. Also added back `_isTexture` to `GLUniform` because it will also be needed for PushBuffer.
Needed for `PushBuffer`.
…stem Deleting the buffer automatically unmaps it.
Adds `PushBuffer` class, `pushBuffer` global, and the supporting code for `glconfig2`.
Also adds `GLShader.pushSkip` and `GLShader._pushUniforms`. Add `padding` back to the `GLShader` size calculations in material system.
Will be required for `PushBuffer` to set global uniform values outside of their shaders.
This will set `GLShaderManager.globalUniformBlock` to the struct + defines text, which will be the same for all shaders.
This will be required for `PushBuffer` to correctly sort uniforms. Also updates `GLShader.WriteUniformsToBuffer()` to use `mode` and `filter` arguments to select the correct uniforms.
Post-process shaders to actually add the `globalUniformBlock`, add `SetConstUniforms()` and `SetFrameUniforms()` functions to the core and material system renderers, and add the supporting glsl code.
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Requires #1683
Add
PushBuffer, update uniforms to have anupdateType. TheCONSTandFRAMEuniforms are written into a uniform buffer after the map is loaded/at the start of a frame. This allows skipping some of theglUniform*()calls to decrease the amount of overhead.This largely re-uses the existing functionality added for the material system.
This will also be needed for #1587