render: sprite: Revamp rendering process.

Add support for tinting and simplify batch rendering.

1 files changed, 6 insertions, 7 deletions

diff --git a/doc/api.texi b/doc/api.texi
index b1881bd..fc1f8dd 100644
--- a/doc/api.texi
+++ b/doc/api.texi
@@ -1334,8 +1334,8 @@ stored in textures (@pxref{Textures}) and can be used to draw sprites
 via the @code{draw-sprite} procedure.
 
 @deffn {Procedure} draw-sprite @var{texture} @var{position} @
-       [#:origin] [#:scale] [#:rotation] [#:blend-mode alpha] @
-       [#:rect] [#:shader]
+       [#:tint white] [#:origin] [#:scale] [#:rotation] [#:blend-mode alpha] @
+       [#:rect]
 
 Draw @var{texture} at @var{position}.
 
@@ -1345,14 +1345,14 @@ Optionally, other transformations may be applied to the sprite.
 transformations are applied relative to @var{origin}, a 2D vector,
 which defaults to the lower-left corner.
 
+@var{tint} specifies the color to multiply against all the sprite's
+pixels.  By default white is used, which does no tinting at all.
+
 Alpha blending is used by default but the blending method can be
 changed by specifying @var{blend-mode}.
 
 The area drawn to is as big as the texture, by default.  To draw to an
 arbitrary section of the screen, specify @var{rect}.
-
-Finally, advanced users may specify @var{shader} to change the way the
-sprite is rendered entirely.
 @end deffn
 
 It's not uncommon to need to draw hundreds or thousands of sprites
@@ -1411,8 +1411,7 @@ artifacts.
 @deffn {Procedure} draw-nine-patch @var{texture} @var{rect} @
        [#:margin 0] [#:top-margin margin] [#:bottom-margin margin] @
        [#:left-margin margin] [#:right-margin margin] @
-       [#:origin] [#:scale] [#:rotation] [#:blend-mode alpha] @
-       [#:shader]
+       [#:origin] [#:scale] [#:rotation] [#:blend-mode alpha]
 
 Draw a nine patch sprite.  A nine patch sprite renders @var{texture}
 as a @var{width} x @var{height} rectangle whose stretchable areas are