/*
* Mesa 3-D graphics library
- * Version: 6.3
*
- * Copyright (C) 1999-2005 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2008 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"),
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef FBOBJECT_H
#define FBOBJECT_H
+#include "compiler.h"
+#include "glheader.h"
+#include <stdbool.h>
+
+struct gl_context;
+struct gl_texture_object;
+
/**
- * 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.
+ * Is the given FBO a user-created FBO?
*/
-struct gl_renderbuffer
+static inline GLboolean
+_mesa_is_user_fbo(const struct gl_framebuffer *fb)
{
- 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);
-};
+ return fb->Name != 0;
+}
/**
- * 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.
+ * Is the given FBO a window system FBO (like an X window)?
*/
-struct gl_renderbuffer_attachment
+static inline GLboolean
+_mesa_is_winsys_fbo(const struct gl_framebuffer *fb)
{
- GLenum Type; /* GL_NONE or GL_TEXTURE or GL_RENDERBUFFER_EXT */
- GLboolean Complete;
+ return fb->Name == 0;
+}
- /* 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 */
-};
+extern void
+_mesa_init_fbobjects(struct gl_context *ctx);
-/**
- * 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;
+extern struct gl_framebuffer *
+_mesa_get_incomplete_framebuffer(void);
- GLenum Status; /* One of the GL_FRAMEBUFFER_(IN)COMPLETE_* tokens */
+extern struct gl_renderbuffer *
+_mesa_lookup_renderbuffer(struct gl_context *ctx, GLuint id);
- struct gl_renderbuffer_attachment ColorAttachment[MAX_COLOR_ATTACHMENTS];
- struct gl_renderbuffer_attachment DepthAttachment;
- struct gl_renderbuffer_attachment StencilAttachment;
+extern struct gl_framebuffer *
+_mesa_lookup_framebuffer(struct gl_context *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;
- GLuint _Width, _Height;
+void
+_mesa_update_texture_renderbuffer(struct gl_context *ctx,
+ struct gl_framebuffer *fb,
+ struct gl_renderbuffer_attachment *att);
- /** Delete this framebuffer */
- void (*Delete)(GLcontext *ctx, struct gl_framebuffer *fb);
-};
+extern void
+_mesa_framebuffer_renderbuffer(struct gl_context *ctx,
+ struct gl_framebuffer *fb,
+ GLenum attachment, struct gl_renderbuffer *rb);
+extern void
+_mesa_validate_framebuffer(struct gl_context *ctx, struct gl_framebuffer *fb);
-extern struct gl_framebuffer *
-_mesa_new_framebuffer(GLcontext *ctx, GLuint name);
+extern GLboolean
+_mesa_has_depthstencil_combined(const struct gl_framebuffer *fb);
extern void
-_mesa_delete_framebuffer(GLcontext *ctx, struct gl_framebuffer *fb);
+_mesa_test_framebuffer_completeness(struct gl_context *ctx,
+ struct gl_framebuffer *fb);
-extern struct gl_renderbuffer *
-_mesa_new_renderbuffer(GLcontext *ctx, GLuint name);
+extern GLboolean
+_mesa_is_legal_color_format(const struct gl_context *ctx, GLenum baseFormat);
-extern void
-_mesa_delete_renderbuffer(GLcontext *ctx, struct gl_renderbuffer *rb);
+extern GLenum
+_mesa_base_fbo_format(struct gl_context *ctx, GLenum internalFormat);
+extern bool
+_mesa_detach_renderbuffer(struct gl_context *ctx,
+ struct gl_framebuffer *fb,
+ const void *att);
extern GLboolean GLAPIENTRY
-_mesa_IsRenderbufferEXT(GLuint renderbuffer);
+_mesa_IsRenderbuffer(GLuint renderbuffer);
+
+extern void GLAPIENTRY
+_mesa_BindRenderbuffer(GLenum target, GLuint renderbuffer);
extern void GLAPIENTRY
_mesa_BindRenderbufferEXT(GLenum target, GLuint renderbuffer);
extern void GLAPIENTRY
-_mesa_DeleteRenderbuffersEXT(GLsizei n, const GLuint *renderbuffers);
+_mesa_DeleteRenderbuffers(GLsizei n, const GLuint *renderbuffers);
extern void GLAPIENTRY
-_mesa_GenRenderbuffersEXT(GLsizei n, GLuint *renderbuffers);
+_mesa_GenRenderbuffers(GLsizei n, GLuint *renderbuffers);
extern void GLAPIENTRY
-_mesa_RenderbufferStorageEXT(GLenum target, GLenum internalformat,
+_mesa_RenderbufferStorage(GLenum target, GLenum internalformat,
GLsizei width, GLsizei height);
extern void GLAPIENTRY
-_mesa_GetRenderbufferParameterivEXT(GLenum target, GLenum pname,
+_mesa_RenderbufferStorageMultisample(GLenum target, GLsizei samples,
+ GLenum internalformat,
+ GLsizei width, GLsizei height);
+
+extern void GLAPIENTRY
+_es_RenderbufferStorageEXT(GLenum target, GLenum internalFormat,
+ GLsizei width, GLsizei height);
+
+extern void GLAPIENTRY
+_mesa_EGLImageTargetRenderbufferStorageOES(GLenum target, GLeglImageOES image);
+
+extern void GLAPIENTRY
+_mesa_GetRenderbufferParameteriv(GLenum target, GLenum pname,
GLint *params);
extern GLboolean GLAPIENTRY
-_mesa_IsFramebufferEXT(GLuint framebuffer);
+_mesa_IsFramebuffer(GLuint framebuffer);
+
+extern void GLAPIENTRY
+_mesa_BindFramebuffer(GLenum target, GLuint framebuffer);
extern void GLAPIENTRY
_mesa_BindFramebufferEXT(GLenum target, GLuint framebuffer);
extern void GLAPIENTRY
-_mesa_DeleteFramebuffersEXT(GLsizei n, const GLuint *framebuffers);
+_mesa_DeleteFramebuffers(GLsizei n, const GLuint *framebuffers);
extern void GLAPIENTRY
-_mesa_GenFramebuffersEXT(GLsizei n, GLuint *framebuffers);
+_mesa_GenFramebuffers(GLsizei n, GLuint *framebuffers);
extern GLenum GLAPIENTRY
-_mesa_CheckFramebufferStatusEXT(GLenum target);
+_mesa_CheckFramebufferStatus(GLenum target);
extern void GLAPIENTRY
-_mesa_FramebufferTexture1DEXT(GLenum target, GLenum attachment,
+_mesa_FramebufferTexture1D(GLenum target, GLenum attachment,
GLenum textarget, GLuint texture, GLint level);
extern void GLAPIENTRY
-_mesa_FramebufferTexture2DEXT(GLenum target, GLenum attachment,
+_mesa_FramebufferTexture2D(GLenum target, GLenum attachment,
GLenum textarget, GLuint texture, GLint level);
extern void GLAPIENTRY
-_mesa_FramebufferTexture3DEXT(GLenum target, GLenum attachment,
+_mesa_FramebufferTexture3D(GLenum target, GLenum attachment,
GLenum textarget, GLuint texture,
GLint level, GLint zoffset);
extern void GLAPIENTRY
-_mesa_FramebufferRenderbufferEXT(GLenum target, GLenum attachment,
+_mesa_FramebufferTextureLayer(GLenum target, GLenum attachment,
+ GLuint texture, GLint level, GLint layer);
+
+extern void GLAPIENTRY
+_mesa_FramebufferTexture(GLenum target, GLenum attachment,
+ GLuint texture, GLint level);
+
+extern void GLAPIENTRY
+_mesa_FramebufferRenderbuffer(GLenum target, GLenum attachment,
GLenum renderbuffertarget,
GLuint renderbuffer);
extern void GLAPIENTRY
-_mesa_GetFramebufferAttachmentParameterivEXT(GLenum target, GLenum attachment,
+_mesa_GetFramebufferAttachmentParameteriv(GLenum target, GLenum attachment,
GLenum pname, GLint *params);
extern void GLAPIENTRY
-_mesa_GenerateMipmapEXT(GLenum target);
+_mesa_InvalidateSubFramebuffer(GLenum target, GLsizei numAttachments,
+ const GLenum *attachments, GLint x, GLint y,
+ GLsizei width, GLsizei height);
+
+extern void GLAPIENTRY
+_mesa_InvalidateFramebuffer(GLenum target, GLsizei numAttachments,
+ const GLenum *attachments);
+extern void GLAPIENTRY
+_mesa_DiscardFramebufferEXT(GLenum target, GLsizei numAttachments,
+ const GLenum *attachments);
#endif /* FBOBJECT_H */
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