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skia2/tools/gpu/gl/interface
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Chris Dalton 5846ff3c7a Make glDraw*BaseInstance non-optional when extension(s) are present 
TBR=michaelludwig@google.com

Change-Id: Ie9fc5eb6aee8cffde5d17a01fc816a1c49d02e9c
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/281881
Reviewed-by: Chris Dalton <csmartdalton@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>
2020-04-07 04:02:07 +00:00
..
gen_interface.go Reland "Get EGLimage functions out of GrGLInterface." 2019-05-15 19:58:45 +00:00
interface.json5 Make glDraw*BaseInstance non-optional when extension(s) are present 2020-04-07 04:02:07 +00:00
Makefile Reland "Generate GrGLInterface and GrGlAssembleInterface* from table" 2019-03-26 10:55:00 +00:00
README.md Reland "Generate GrGLInterface and GrGlAssembleInterface* from table" 2019-03-26 10:55:00 +00:00
templates.go turn on -Wreturn-std-move-in-c++11 2020-02-18 23:55:35 +00:00

README.md

GrGlInterface Autogeneration

Background

At a high level, the first three steps of making a GrGLInterface (a generic way to interact with a GL-like GPU) are:

  • Assemble: Copy a set of function pointers into the struct
  • Validate: Make sure the function pointers advertised actually exist.
  • Capabilities: Compute what fast/slow paths are enabled based on the functions in the struct (GrGLCaps, for short)

Autogeneration

The first two steps have been automated with a table-based generation script located in this folder. The table is in JSON5 format (like JSON, but with comments). O

Once edited, the Assemble/Validate code can be re-generated by running make generate in this folder.