eden-emu/eden - eden - InfoTonic

ReinUsesLisp 76ca2a5f82 gl_rasterizer: Upload constant buffers with glNamedBufferSubData Nvidia's OpenGL driver maps gl(Named)BufferSubData with some requirements to a fast. This path has an extra memcpy but updates the buffer without orphaning or waiting for previous calls. It can be seen as a better model for "push constants" that can upload a whole UBO instead of 256 bytes. This path has some requirements established here: http://on-demand.gputechconf.com/gtc/2014/presentations/S4379-opengl-44-scene-rendering-techniques.pdf#page=24 Instead of using the stream buffer, this commits moves constant buffers uploads to calls of glNamedBufferSubData and from my testing it brings a performance improvement. This is disabled when the vendor is not Nvidia since it brings performance regressions.	6 years ago
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UtilityFunctions.ps1	Implement Citra pull 3043	8 years ago

gl_rasterizer: Upload constant buffers with glNamedBufferSubData

Nvidia's OpenGL driver maps gl(Named)BufferSubData with some requirements
to a fast. This path has an extra memcpy but updates the buffer without
orphaning or waiting for previous calls. It can be seen as a better
model for "push constants" that can upload a whole UBO instead of 256
bytes.

This path has some requirements established here:
http://on-demand.gputechconf.com/gtc/2014/presentations/S4379-opengl-44-scene-rendering-techniques.pdf#page=24

Instead of using the stream buffer, this commits moves constant buffers
uploads to calls of glNamedBufferSubData and from my testing it brings a
performance improvement. This is disabled when the vendor is not Nvidia
since it brings performance regressions.

6 years ago

UtilityFunctions.ps1

Implement Citra pull 3043

8 years ago