X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Frenderer.h;h=dd54ca1691dfaf49233608ff85f2ff5de9e69440;hp=d8ace373805e9b85f905033d01a449709af11cf9;hb=904de4f7fd994886adbd3a6c03bc1b7c14ebc562;hpb=635d00bc1a9ba43ef1224681a14d0710a098cf87 diff --git a/source/renderer.h b/source/renderer.h index d8ace373..dd54ca16 100644 --- a/source/renderer.h +++ b/source/renderer.h @@ -1,10 +1,3 @@ -/* $Id$ - -This file is part of libmspgl -Copyright © 2011 Mikko Rasa, Mikkosoft Productions -Distributed under the LGPL -*/ - #ifndef MSP_GL_RENDERER_H_ #define MSP_GL_RENDERER_H_ @@ -31,7 +24,9 @@ particular, Objects and Scenes) can by rendered without a Renderer, using one will often be more efficient. This is especially true for ObjectInstances. The Renderer works by deferring GL state changes until something is actually -being drawn. This avoids many unnecessary GL calls. */ +being drawn. This avoids many unnecessary GL calls if consecutive renderables +use the same resources. +*/ class Renderer { public: @@ -53,6 +48,7 @@ private: const Material *material; const Program *shprog; std::vector shdata; + const WindingTest *winding_test; State(); }; @@ -76,7 +72,7 @@ private: const VertexArray *vertex_array; bool vertex_array_changed; const Buffer *element_buffer; - const WindingTest *winding_test; + bool shdata_changed; public: Renderer(const Camera *); @@ -98,7 +94,9 @@ public: void push_state(); void pop_state(); - /** Prepares for temporarily bypassing the Renderer. */ + /** Prepares for temporarily bypassing the Renderer by synchronizing the + current state with GL. No additional call is necessary to resume using the + Renderer. */ void escape(); void draw(const Batch &);