| 1 | /* $Id: cr_framebuffer.h 31808 2010-08-20 09:40:40Z vboxsync $ */
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| 2 |
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| 3 | /** @file
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| 4 | * VBox crOpenGL: FBO related state info
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| 5 | */
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| 6 |
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| 7 | /*
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| 8 | * Copyright (C) 2009 Oracle Corporation
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| 9 | *
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| 10 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 11 | * available from http://www.virtualbox.org. This file is free software;
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| 12 | * you can redistribute it and/or modify it under the terms of the GNU
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| 13 | * General Public License (GPL) as published by the Free Software
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| 14 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 15 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 16 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 17 | */
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| 18 |
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| 19 |
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| 20 | #ifndef CR_STATE_FRAMEBUFFEROBJECT_H
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| 21 | #define CR_STATE_FRAMEBUFFEROBJECT_H
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| 22 |
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| 23 | #include "cr_hash.h"
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| 24 | #include "state/cr_statetypes.h"
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| 25 | #include "state/cr_statefuncs.h"
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| 26 |
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| 27 | #ifdef __cplusplus
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| 28 | extern "C" {
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| 29 | #endif
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| 30 |
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| 31 | #define CR_MAX_COLOR_ATTACHMENTS 16
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| 32 |
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| 33 | typedef struct {
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| 34 | GLenum type; /*one of GL_NONE GL_TEXTURE GL_RENDERBUFFER_EXT*/
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| 35 | GLuint name;
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| 36 | GLint level;
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| 37 | GLint face;
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| 38 | GLint zoffset;
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| 39 | } CRFBOAttachmentPoint;
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| 40 |
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| 41 | typedef struct {
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| 42 | GLuint id, hwid;
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| 43 | CRFBOAttachmentPoint color[CR_MAX_COLOR_ATTACHMENTS];
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| 44 | CRFBOAttachmentPoint depth;
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| 45 | CRFBOAttachmentPoint stencil;
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| 46 | GLenum readbuffer;
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| 47 | /*@todo: we don't support drawbufferS yet, so it's a stub*/
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| 48 | GLenum drawbuffer[1];
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| 49 | #ifdef IN_GUEST
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| 50 | GLenum status;
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| 51 | #endif
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| 52 | } CRFramebufferObject;
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| 53 |
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| 54 | typedef struct {
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| 55 | GLuint id, hwid;
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| 56 | GLsizei width, height;
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| 57 | GLenum internalformat;
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| 58 | GLuint redBits, greenBits, blueBits, alphaBits, depthBits, stencilBits;
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| 59 | } CRRenderbufferObject;
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| 60 |
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| 61 | typedef struct {
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| 62 | CRFramebufferObject *readFB, *drawFB;
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| 63 | CRRenderbufferObject *renderbuffer;
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| 64 |
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| 65 | /* Indicates that we have to resend FBO data to GPU on first glMakeCurrent call with owning context */
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| 66 | GLboolean bResyncNeeded;
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| 67 | } CRFramebufferObjectState;
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| 68 |
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| 69 | DECLEXPORT(void) STATE_APIENTRY crStateFramebufferObjectInit(CRContext *ctx);
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| 70 | DECLEXPORT(void) STATE_APIENTRY crStateFramebufferObjectDestroy(CRContext *ctx);
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| 71 | DECLEXPORT(void) STATE_APIENTRY crStateFramebufferObjectSwitch(CRContext *from, CRContext *to);
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| 72 | DECLEXPORT(GLuint) STATE_APIENTRY crStateGetFramebufferHWID(GLuint id);
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| 73 | DECLEXPORT(GLuint) STATE_APIENTRY crStateGetRenderbufferHWID(GLuint id);
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| 74 |
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| 75 | DECLEXPORT(void) STATE_APIENTRY crStateBindRenderbufferEXT(GLenum target, GLuint renderbuffer);
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| 76 | DECLEXPORT(void) STATE_APIENTRY crStateDeleteRenderbuffersEXT(GLsizei n, const GLuint *renderbuffers);
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| 77 | DECLEXPORT(void) STATE_APIENTRY crStateRenderbufferStorageEXT(GLenum target, GLenum internalformat, GLsizei width, GLsizei height);
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| 78 | DECLEXPORT(void) STATE_APIENTRY crStateGetRenderbufferParameterivEXT(GLenum target, GLenum pname, GLint *params);
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| 79 | DECLEXPORT(void) STATE_APIENTRY crStateBindFramebufferEXT(GLenum target, GLuint framebuffer);
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| 80 | DECLEXPORT(void) STATE_APIENTRY crStateDeleteFramebuffersEXT(GLsizei n, const GLuint *framebuffers);
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| 81 | DECLEXPORT(void) STATE_APIENTRY crStateFramebufferTexture1DEXT(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
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| 82 | DECLEXPORT(void) STATE_APIENTRY crStateFramebufferTexture2DEXT(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
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| 83 | DECLEXPORT(void) STATE_APIENTRY crStateFramebufferTexture3DEXT(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLint zoffset);
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| 84 | DECLEXPORT(void) STATE_APIENTRY crStateFramebufferRenderbufferEXT(GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer);
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| 85 | DECLEXPORT(void) STATE_APIENTRY crStateGetFramebufferAttachmentParameterivEXT(GLenum target, GLenum attachment, GLenum pname, GLint *params);
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| 86 | DECLEXPORT(void) STATE_APIENTRY crStateGenerateMipmapEXT(GLenum target);
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| 87 |
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| 88 | DECLEXPORT(GLuint) STATE_APIENTRY crStateFBOHWIDtoID(GLuint hwid);
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| 89 | DECLEXPORT(GLuint) STATE_APIENTRY crStateRBOHWIDtoID(GLuint hwid);
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| 90 |
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| 91 | #ifdef IN_GUEST
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| 92 | DECLEXPORT(GLenum) STATE_APIENTRY crStateCheckFramebufferStatusEXT(GLenum target);
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| 93 | DECLEXPORT(GLenum) STATE_APIENTRY crStateSetFramebufferStatus(GLenum target, GLenum status);
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| 94 | #endif
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| 95 |
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| 96 | #ifdef __cplusplus
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| 97 | }
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| 98 | #endif
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| 99 |
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| 100 | #endif /* CR_STATE_FRAMEBUFFEROBJECT_H */
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