X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Frenderer.h;h=af4bd65b594beb85c53bf76905e47698fb577f07;hp=5d8f686e35806a419e4a46167fd75161666ed725;hb=42c1534d95e1551c37e64a1dae288e8b75e8d8ba;hpb=58e3368ddb21de5c4bc6e208440de369fe4876f1

diff --git a/source/renderer.h b/source/renderer.h
index 5d8f686e..af4bd65b 100644
--- a/source/renderer.h
+++ b/source/renderer.h
@@ -13,6 +13,7 @@ namespace GL {
 class Batch;
 class Buffer;
 class Camera;
+class Clipping;
 class Material;
 class Mesh;
 class Lighting;
@@ -63,12 +64,16 @@ public:
 private:
 	struct State
 	{
+		const Camera *camera;
+		Matrix modelview_matrix;
 		const Texture *texture;
 		const Texturing *texturing;
 		unsigned lowest_effect_texunit;
 		const Material *material;
 		const Lighting *lighting;
 		Matrix lighting_matrix;
+		const Clipping *clipping;
+		Matrix clipping_matrix;
 		const Program *shprog;
 		unsigned shdata_count;
 		const Mesh *mesh;
@@ -78,37 +83,52 @@ private:
 		State();
 	};
 
-	class MtxStack: public MatrixStack
+	enum ChangeMask
 	{
-	private:
-		Renderer &renderer;
-
-	public:
-		MtxStack(Renderer &);
-	private:
-		virtual void update();
+		LEGACY_MATRIX = 1,
+		MODERN_MATRIX = 2,
+		MATRIX = LEGACY_MATRIX|MODERN_MATRIX,
+		LEGACY_LIGHTING = 4,
+		LEGACY_CLIPPING = 8,
+		SHADER_DATA = 16,
+		MATERIAL_SHDATA = 32,
+		STANDARD_SHDATA = 64,
+		LEGACY_PROJECTION = 128
 	};
 
-	MtxStack mtx_stack;
-	bool mtx_changed;
+	unsigned char changed;
 	bool matrices_loaded;
-	const Camera *camera;
 	std::vector<State> state_stack;
 	State *state;
-	bool lighting_changed;
 	ProgramData standard_shdata;
 	std::vector<const ProgramData *> shdata_stack;
-	bool shdata_changed;
-	const Buffer *element_buffer;
 	std::set<const Renderable *> excluded;
 
 public:
 	Renderer(const Camera *);
 	~Renderer();
 
-	MatrixStack &matrix_stack() { return mtx_stack; }
+	/** Resets all internal state and restarts rendering.  There must be no
+	unpopped state in the stack.  It is permissible to call begin() multiple
+	times without an intervening end().
+
+	Deprecated; use end() and set_camera() instead.*/
+	void begin(const Camera *);
 
-	const Camera *get_camera() const { return camera; }
+	/** Sets the camera to render from.  The modelview matrix is reset to the
+	camera's view matrix. */
+	void set_camera(const Camera &);
+
+	const Camera *get_camera() const { return state->camera; }
+
+	/** Replaces the Renderer's modelview matrix. */
+	void set_matrix(const Matrix &);
+
+	/** Applies a transform to the Renderer's modelview matrix. */
+	void transform(const Matrix &);
+
+	/** Returns the current modelview matrix. */
+	const Matrix &get_matrix() const { return state->modelview_matrix; }
 
 	void set_texture(const Texture *);
 	void set_texturing(const Texturing *);
@@ -116,6 +136,7 @@ public:
 	void set_material(const Material *);
 
 	void set_lighting(const Lighting *);
+	void set_clipping(const Clipping *);
 
 	/** Sets the shader program to use.  An initial set of data can be set as
 	well, with the same semantics as add_shader_data. */
@@ -127,7 +148,6 @@ public:
 	void add_shader_data(const ProgramData &data);
 
 	void set_mesh(const Mesh *);
-	void set_element_buffer(const Buffer *);
 	void set_winding_test(const WindingTest *);
 	void set_reverse_winding(bool);
 
@@ -138,13 +158,9 @@ public:
 	push_state call. */
 	void pop_state();
 
-	/** Prepares for temporarily bypassing the Renderer by synchronizing the
-	current state with GL.  No additional call is necessary to resume using the
-	Renderer.  DEPRECATED. */
-	void escape();
-
-	/** Ends rendering, unbinding all objects and resetting state.  There must
-	be no unpopped state in the stack. */
+	/** Unbinds all objects and resets related state.  There must be no unpopped
+	state in the stack.  The Renderer remains valid and may be reused for
+	further rendering. */
 	void end();
 
 	void exclude(const Renderable &);