Commit graph

9 commits

Author SHA1 Message Date
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.
2019-11-02 05:05:34 -03:00
Rodrigo Locatti 4d4f9cc104 video_core: Silent miscellaneous warnings (#2820)
* texture_cache/surface_params: Remove unused local variable

* rasterizer_interface: Add missing documentation commentary

* maxwell_dma: Remove unused rasterizer reference

* video_core/gpu: Sort member declaration order to silent -Wreorder warning

* fermi_2d: Remove unused MemoryManager reference

* video_core: Silent unused variable warnings

* buffer_cache: Silent -Wreorder warnings

* kepler_memory: Remove unused MemoryManager reference

* gl_texture_cache: Add missing override

* buffer_cache: Add missing include

* shader/decode: Remove unused variables
2019-08-30 14:08:00 -04:00
Fernando Sahmkow 83ec2091c1 Buffer Cache: Adress Feedback. 2019-08-21 12:14:27 -04:00
Fernando Sahmkow 6ce2c85047 Buffer_Cache: Implement flushing. 2019-08-21 12:14:26 -04:00
Fernando Sahmkow de8ff8a1c6 Buffer_Cache: Implement barriers. 2019-08-21 12:14:25 -04:00
Fernando Sahmkow 286f4c446a Buffer_Cache: Optimize and track written areas. 2019-08-21 12:14:25 -04:00
Fernando Sahmkow 5f4b746a1e BufferCache: Rework mapping caching. 2019-08-21 12:14:24 -04:00
Fernando Sahmkow 86d8563314 Buffer_Cache: Fixes and optimizations. 2019-08-21 12:14:23 -04:00
Fernando Sahmkow 862bec001b Video_Core: Implement a new Buffer Cache 2019-08-21 12:14:22 -04:00