/*
* Mesa 3-D graphics library
- * Version: 6.3
+ * Version: 6.5
*
- * Copyright (C) 1999-2005 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
#define FBOBJECT_H
-/**
- * A renderbuffer stores colors or depth values or stencil values.
- * A framebuffer object will have a collection of these.
- * Data are read/written to the buffer with a handful of Get/Put functions.
- *
- * Instances of this object are allocated with the Driver's NewRenderbuffer
- * hook. Drivers will likely wrap this class inside a driver-specific
- * class to simulate inheritance.
- */
-struct gl_renderbuffer
-{
- GLuint Name;
- GLint RefCount;
- GLuint Width, Height;
- GLenum InternalFormat;
- GLenum _BaseFormat; /* Either GL_RGB, GL_RGBA, GL_DEPTH_COMPONENT or */
- /* GL_STENCIL_INDEX. */
-
- GLenum DataType; /* GL_UNSIGNED_BYTE, GL_UNSIGNED_SHORT, etc */
- GLvoid *Data;
-
- /* Delete this renderbuffer */
- void (*Delete)(GLcontext *ctx, struct gl_renderbuffer *rb);
-
- /* Allocate new storage for this renderbuffer */
- GLboolean (*AllocStorage)(GLcontext *ctx, struct gl_renderbuffer *rb,
- GLenum internalFormat,
- GLuint width, GLuint height);
-
- /* Return a pointer to the element/pixel at (x,y).
- * Should return NULL if the buffer memory can't be directly addressed.
- */
- void *(*GetPointer)(struct gl_renderbuffer *rb, GLint x, GLint y);
-
- /* Get/Read a row of values.
- * The values will be of format _BaseFormat and type DataType.
- */
- void (*GetRow)(struct gl_renderbuffer *rb,
- GLint x, GLint y, GLuint count, void *values);
-
- /* Get/Read values at arbitrary locations
- * The values will be of format _BaseFormat and type DataType.
- */
- void (*GetValues)(struct gl_renderbuffer *rb,
- const GLint x[], const GLint y[],
- GLuint count, void *values);
-
- /* Put/Write a row of values
- * The values will be of format _BaseFormat and type DataType.
- */
- void (*PutRow)(struct gl_renderbuffer *rb,
- GLint x, GLint y, GLuint count,
- const void *values, const GLubyte *maek);
-
- /* Put/Write values at arbitrary locations
- * The values will be of format _BaseFormat and type DataType.
- */
- void (*PutValues)(struct gl_renderbuffer *rb,
- const GLint x[], const GLint y[], GLuint count,
- const void *values, const GLubyte *mask);
-};
-
-
-/**
- * A renderbuffer attachment point points to either a texture object
- * (and specifies a mipmap level, cube face or 3D texture slice) or
- * points to a renderbuffer.
- */
-struct gl_renderbuffer_attachment
-{
- GLenum Type; /* GL_NONE or GL_TEXTURE or GL_RENDERBUFFER_EXT */
- GLboolean Complete;
-
- /* IF Type == GL_RENDERBUFFER_EXT: */
- struct gl_renderbuffer *Renderbuffer;
-
- /* IF Type == GL_TEXTURE: */
- struct gl_texture_object *Texture;
- GLuint TextureLevel;
- GLuint CubeMapFace; /* 0 .. 5, for cube map textures */
- GLuint Zoffset; /* for 3D textures */
-};
-
-
-/**
- * A framebuffer object is basically a collection of rendering buffers.
- * (Though, a rendering buffer might actually be a texture image.)
- * All the renderbuffers/textures which we reference must have the same
- * width and height (and meet a few other requirements) in order for the
- * framebufffer object to be "complete".
- *
- * Instances of this object are allocated with the Driver's Newframebuffer
- * hook. Drivers will likely wrap this class inside a driver-specific
- * class to simulate inheritance.
- */
-struct gl_framebuffer
-{
- GLuint Name;
- GLint RefCount;
-
- GLenum Status; /* One of the GL_FRAMEBUFFER_(IN)COMPLETE_* tokens */
-
- struct gl_renderbuffer_attachment ColorAttachment[MAX_COLOR_ATTACHMENTS];
- struct gl_renderbuffer_attachment DepthAttachment;
- struct gl_renderbuffer_attachment StencilAttachment;
+extern struct gl_renderbuffer *
+_mesa_lookup_renderbuffer(GLcontext *ctx, GLuint id);
- /* In unextended OpenGL, these vars are part of the GL_COLOR_BUFFER
- * attribute group and GL_PIXEL attribute group, respectively.
- */
- GLenum DrawBuffer[MAX_DRAW_BUFFERS];
- GLenum ReadBuffer;
+extern struct gl_framebuffer *
+_mesa_lookup_framebuffer(GLcontext *ctx, GLuint id);
- GLuint _Width, _Height;
+extern struct gl_renderbuffer_attachment *
+_mesa_get_attachment(GLcontext *ctx, struct gl_framebuffer *fb,
+ GLenum attachment);
- /** Delete this framebuffer */
- void (*Delete)(GLcontext *ctx, struct gl_framebuffer *fb);
-};
+extern void
+_mesa_remove_attachment(GLcontext *ctx,
+ struct gl_renderbuffer_attachment *att);
-extern struct gl_framebuffer *
-_mesa_new_framebuffer(GLcontext *ctx, GLuint name);
+extern void
+_mesa_set_texture_attachment(GLcontext *ctx,
+ struct gl_framebuffer *fb,
+ struct gl_renderbuffer_attachment *att,
+ struct gl_texture_object *texObj,
+ GLenum texTarget, GLuint level, GLuint zoffset);
extern void
-_mesa_delete_framebuffer(GLcontext *ctx, struct gl_framebuffer *fb);
+_mesa_set_renderbuffer_attachment(GLcontext *ctx,
+ struct gl_renderbuffer_attachment *att,
+ struct gl_renderbuffer *rb);
-extern struct gl_renderbuffer *
-_mesa_new_renderbuffer(GLcontext *ctx, GLuint name);
+extern void
+_mesa_framebuffer_renderbuffer(GLcontext *ctx, struct gl_framebuffer *fb,
+ GLenum attachment, struct gl_renderbuffer *rb);
extern void
-_mesa_delete_renderbuffer(GLcontext *ctx, struct gl_renderbuffer *rb);
+_mesa_test_framebuffer_completeness(GLcontext *ctx, struct gl_framebuffer *fb);
+extern GLenum
+_mesa_base_fbo_format(GLcontext *ctx, GLenum internalFormat);
extern GLboolean GLAPIENTRY
_mesa_IsRenderbufferEXT(GLuint renderbuffer);
GLenum textarget, GLuint texture,
GLint level, GLint zoffset);
+extern void GLAPIENTRY
+_mesa_FramebufferTextureLayerEXT(GLenum target, GLenum attachment,
+ GLuint texture, GLint level, GLint layer);
+
extern void GLAPIENTRY
_mesa_FramebufferRenderbufferEXT(GLenum target, GLenum attachment,
GLenum renderbuffertarget,
_mesa_GenerateMipmapEXT(GLenum target);
+extern void GLAPIENTRY
+_mesa_BlitFramebufferEXT(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
+ GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
+ GLbitfield mask, GLenum filter);
+
+
#endif /* FBOBJECT_H */
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