Make extensions compatible with OpenGL ES

[libs/gl.git] / source / framebuffer.h

diff --git a/source/framebuffer.h b/source/framebuffer.h
index e25967aca41ddfd6b29bfa6aae211e473e1807f2..5a9993dae202421f1c6434ebe5bb4bd006c5569f 100644 (file)
--- a/source/framebuffer.h
+++ b/source/framebuffer.h
@@ -5,6 +5,9 @@
 #include "bindable.h"
 #include "gl.h"
 #include "texturecube.h"
+#include <msp/gl/extensions/ext_framebuffer_object.h>
+#include <msp/gl/extensions/msp_stereo_rendering.h>
+#include <msp/gl/extensions/nv_fbo_color_attachments.h>
 
 namespace Msp {
 namespace GL {
@@ -12,6 +15,7 @@ namespace GL {
 class Renderbuffer;
 class Texture;
 class Texture2D;
+class Texture3D;
 
 enum FramebufferAttachment
 {
@@ -39,8 +43,7 @@ enum BufferBits
 {
        COLOR_BUFFER_BIT   = GL_COLOR_BUFFER_BIT,
        DEPTH_BUFFER_BIT   = GL_DEPTH_BUFFER_BIT,
-       STENCIL_BUFFER_BIT = GL_STENCIL_BUFFER_BIT,
-       ACCUM_BUFFER_BIT   = GL_ACCUM_BUFFER_BIT
+       STENCIL_BUFFER_BIT = GL_STENCIL_BUFFER_BIT
 };
 
 enum RWBuffer
@@ -89,18 +92,29 @@ private:
                        Texture *tex;
                };
                unsigned level;
-               GLenum cube_face;
+               unsigned layer;
 
                Attachment(FramebufferAttachment);
                void set(Renderbuffer &);
-               void set(Texture &, GLenum, unsigned);
+               void set(Texture &, unsigned, unsigned);
                void clear();
        };
 
+       struct Viewport
+       {
+               int left;
+               int bottom;
+               unsigned width;
+               unsigned height;
+
+               Viewport();
+       };
+
        unsigned id;
        std::vector<Attachment> attachments;
        unsigned width;
        unsigned height;
+       Viewport view;
        mutable unsigned dirty;
 
        Framebuffer(unsigned);
@@ -118,6 +132,7 @@ private:
 public:
        void attach(FramebufferAttachment attch, Renderbuffer &rbuf);
        void attach(FramebufferAttachment attch, Texture2D &tex, unsigned level = 0);
+       void attach(FramebufferAttachment attch, Texture3D &tex, unsigned layer, unsigned level = 0);
        void attach(FramebufferAttachment attch, TextureCube &tex, TextureCubeFace face, unsigned level = 0);
        void detach(FramebufferAttachment attch);
 
@@ -130,6 +145,9 @@ public:
        isn't. */
        void require_complete() const;
 
+       void viewport(int, int, unsigned, unsigned);
+       void reset_viewport();
+
        void clear(BufferBits);
 
        /** Blits a region from another framebuffer into this one.  If the source