X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Frenderer.h;h=dd54ca1691dfaf49233608ff85f2ff5de9e69440;hb=ccd59643144950604f95339683bac0ca4e8366d1;hp=8dbe779f32b78f6a8e1bf108c084ad7a4f2afba7;hpb=90a26a1740d5843b60d07d9c39d8567bfed5189c;p=libs%2Fgl.git diff --git a/source/renderer.h b/source/renderer.h index 8dbe779f..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_ @@ -23,6 +16,7 @@ class ProgramData; class Texture; class Texturing; class VertexArray; +class WindingTest; /** A class for supervising the rendering process. While many Renderables (in @@ -30,7 +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: @@ -52,6 +48,7 @@ private: const Material *material; const Program *shprog; std::vector shdata; + const WindingTest *winding_test; State(); }; @@ -75,6 +72,7 @@ private: const VertexArray *vertex_array; bool vertex_array_changed; const Buffer *element_buffer; + bool shdata_changed; public: Renderer(const Camera *); @@ -91,11 +89,14 @@ public: void add_shader_data(const ProgramData *); void set_vertex_array(const VertexArray *); void set_element_buffer(const Buffer *); + void set_winding_test(const WindingTest *); 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 &);