X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=laserbrain_demo;a=blobdiff_plain;f=src%2Frtarg.h;h=22abc4fbe88e86bceb55a8db65bd7d283203b330;hp=2cead1121299c5df047504716bf67dcb30aafb93;hb=2829b50d6b3d9e97fc9399f5b6929f7d64021366;hpb=197bafc7f54795243d4c217c2efcf41f01d4100d

diff --git a/src/rtarg.h b/src/rtarg.h
index 2cead11..22abc4f 100644
--- a/src/rtarg.h
+++ b/src/rtarg.h
@@ -12,6 +12,14 @@ enum {
 	RT_STENCIL = 4
 };
 
+// flags for push_render_target/pop_render_target and RenderTarget::bind
+enum {
+	RT_NO_VPORT	= 1,
+	RT_NO_BIND	= 2,
+
+	RT_FAKE		= RT_NO_VPORT | RT_NO_BIND
+};
+
 class RenderTarget {
 private:
 	int width, height;
@@ -25,6 +33,7 @@ private:
 	unsigned int rbdepth, rbdepth_fmt;
 	Mat4 texmat; // texture matrix to map tex coords from [0,1] to the useful area
 
+	bool own_fbo;
 	bool own_texture[4];
 	bool auto_vport;
 
@@ -36,6 +45,13 @@ public:
 			unsigned int flags = RT_COLOR | RT_DEPTH);
 	bool create_mrt(int xsz, int ysz, int num, unsigned int fmt = GL_RGB16F,
 			unsigned int flags = RT_COLOR | RT_DEPTH);
+	/* create a RenderTarget wrapping an existing FBO.
+	 * At this point this is just a hack with limited functionality.
+	 * Calls which return textures might return 0. get_width/get_height
+	 * will return whatever is passed here as xsz/ysz. resize will not do
+	 * anything.
+	 */
+	bool create_wrap_fbo(unsigned int fbo, int xsz, int ysz);
 	void destroy();
 
 	bool resize(int xsz, int ysz);
@@ -52,14 +68,14 @@ public:
 	void set_auto_viewport(bool enable);
 	bool auto_viewport() const;
 
-	void bind() const;
+	void bind(unsigned int flags = 0) const;
 	const Mat4 &texture_matrix() const;
 };
 
 void set_render_target(RenderTarget *rt);
 RenderTarget *current_render_target();
 
-bool push_render_target(RenderTarget *rt);
-bool pop_render_target();
+bool push_render_target(RenderTarget *rt, unsigned int flags = 0);
+bool pop_render_target(unsigned int flags = 0);
 
 #endif	// RTARG_H_