First pass of rendering engine rewrite.

The (chickadee graphics gpu) module now handles most of the low-level
OpenGL object creation/deletion/binding.  The (chickadee graphics
engine) module handles the with-graphics-state stuff via a render
context object.  There's lots of stuff that isn't great, but it's the
first step towards a graphics backend agnostic rendering layer.

1 files changed, 3 insertions, 8 deletions

diff --git a/doc/api.texi b/doc/api.texi
index 50ce301..b6aef7b 100644
--- a/doc/api.texi
+++ b/doc/api.texi
@@ -4483,8 +4483,8 @@ and state changes happen within the context of this engine.
 Performing a custom draw call could look something like this:
 
 @lisp
-(with-graphics-state ((g:blend-mode blend:alpha)
-                      (g:texture-0 my-texture))
+(with-graphics-state ((blend-mode blend:alpha)
+                      (texture 0 my-texture))
   (shader-apply my-shader #:foo 1))
 @end lisp
 
@@ -4502,17 +4502,12 @@ values afterwards.
 @end deffn
 
 One additional piece of state that the rendering engine has, that is
-not part of the GPU state, is the current projection matrix:
+not strictly part of the GPU state, is the current projection matrix:
 
 @deffn {Procedure} current-projection
 Return the currently bound projection matrix (@pxref{Matrices}).
 @end deffn
 
-@deffn {Syntax} with-projection projection body @dots{}
-Evaluate @var{body} with the current projection matrix bound to
-@var{projection} (@pxref{Matrices}).
-@end deffn
-
 @subsubsection Rendering
 
 Chickadee likens a GPU draw call to a Scheme procedure call.  A shader