X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fcore%2Fframebuffer.h;h=9fe59bf774b929474869cb2f5ba60b3970ba6804;hp=3086685e1ce29234e8f1e8629bb7ffd103f7050f;hb=cd5f37b066352119cf92d53d0001af7ff99be437;hpb=ccd636b2fa8b9f270fbe600629dd109e78d00992 diff --git a/source/core/framebuffer.h b/source/core/framebuffer.h index 3086685e..9fe59bf7 100644 --- a/source/core/framebuffer.h +++ b/source/core/framebuffer.h @@ -2,7 +2,6 @@ #define MSP_GL_FRAMEBUFFER_H_ #include -#include "bindable.h" #include "gl.h" #include "texturecube.h" #include @@ -13,10 +12,11 @@ namespace Msp { namespace GL { -class Renderbuffer; class Texture; class Texture2D; +class Texture2DMultisample; class Texture3D; +class WindowView; enum FramebufferAttachment { @@ -63,48 +63,32 @@ common application is rendering to a texture, which can then be used for fullscreen shader effects. A framebuffer consist of a number of logical buffers, such as color and depth -buffers. Renderbuffers and Textures can be attached to the logical buffers. At -least one image must be attached for the framebuffer to be usable. +buffers. Textures can be attached to the logical buffers. At least one image +must be attached for the framebuffer to be usable. Requires the GL_EXT_framebuffer_object extension. The blit functions require the GL_EXT_framebuffer_blit extension. */ -class Framebuffer: public Bindable +class Framebuffer { private: struct Attachment { FramebufferAttachment attachment; - GLenum type; - union - { - Renderbuffer *rbuf; - Texture *tex; - }; + Texture *tex; unsigned level; - unsigned layer; + int layer; Attachment(FramebufferAttachment); - void set(Renderbuffer &); - void set(Texture &, unsigned, unsigned); + void set(Texture &, unsigned, int); void clear(); }; - struct Viewport - { - int left; - int bottom; - unsigned width; - unsigned height; - - Viewport(); - }; - unsigned id; std::vector attachments; unsigned width; unsigned height; - Viewport view; + mutable FramebufferStatus status; mutable unsigned dirty; Framebuffer(unsigned); @@ -116,51 +100,34 @@ public: unsigned get_height() const { return height; } private: - void update_attachment(unsigned) const; + void update() const; void check_size(); unsigned get_attachment_index(FramebufferAttachment); - void set_texture_attachment(FramebufferAttachment, Texture &, unsigned, int); + void set_attachment(FramebufferAttachment, Texture &, unsigned, int); public: - void attach(FramebufferAttachment attch, Renderbuffer &rbuf); void attach(FramebufferAttachment attch, Texture2D &tex, unsigned level = 0); + void attach(FramebufferAttachment attch, Texture2DMultisample &tex); void attach(FramebufferAttachment attch, Texture3D &tex, unsigned layer, unsigned level = 0); void attach(FramebufferAttachment attch, TextureCube &tex, TextureCubeFace face, unsigned level = 0); + void attach_layered(FramebufferAttachment attch, Texture3D &tex, unsigned level = 0); + void attach_layered(FramebufferAttachment attch, TextureCube &tex, unsigned level = 0); void detach(FramebufferAttachment attch); - /** Checks the completeness of the framebuffer. Returns - FRAMEBUFFER_COMPLETE if the framebuffer is complete and can be rendered to, - or one of the error status codes otherwise. */ - FramebufferStatus check_status() const; + void resize(const WindowView &); + + /** Returns FRAMEBUFFER_COMPLETE if the framebuffer is complete and can be + rendered to, or one of the error status codes otherwise. */ + FramebufferStatus get_status() const { return status; } /** Ensures that the framebuffer is complete, throwing an exception if it isn't. */ void require_complete() const; - void viewport(int, int, unsigned, unsigned); - void reset_viewport(); - - void clear(); - void clear(BufferBits); - - /** Blits a region from another framebuffer into this one. If the source - and destination regions have different dimensions, the contents will be - stretched. If filter is true, linear interpolation will be used, otherwise - no interpolation is done. */ - void blit_from(const Framebuffer &other, int sx0, int sy0, int sx1, int sy1, - int dx0, int dy0, int dx1, int dy1, BufferBits bits, bool filter); - - /** Blits a region from another framebuffer into this one, retaining its - dimensions. */ - void blit_from(const Framebuffer & other, int sx, int sy, - unsigned wd, unsigned ht, int dx, int dy, BufferBits bits); - - /** Blits the entire contents of another framebuffer into this one. */ - void blit_from(const Framebuffer &other, BufferBits bits, bool filter); + void refresh() const { if(dirty) update(); } - void bind() const; + unsigned get_id() const { return id; } - static const Framebuffer *current(); - static void unbind(); + void set_debug_name(const std::string &); static Framebuffer &system(); };