1 files changed, 108 insertions, 0 deletions
diff --git a/src/VBox/GuestHost/OpenGL/include/state/cr_framebuffer.h b/src/VBox/GuestHost/OpenGL/include/state/cr_framebuffer.h
new file mode 100644
index 00000000..13dd6e02
--- /dev/null
+++ b/src/VBox/GuestHost/OpenGL/include/state/cr_framebuffer.h
@@ -0,0 +1,108 @@
+/* $Id: cr_framebuffer.h $ */
+
+/** @file
+ * VBox crOpenGL: FBO related state info
+ */
+
+/*
+ * Copyright (C) 2009-2019 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ */
+
+
+#ifndef CR_STATE_FRAMEBUFFEROBJECT_H
+#define CR_STATE_FRAMEBUFFEROBJECT_H
+
+#include "cr_hash.h"
+#include "state/cr_statetypes.h"
+#include "state/cr_statefuncs.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define CR_MAX_COLOR_ATTACHMENTS 16
+
+typedef struct {
+    GLenum  type; /*one of GL_NONE GL_TEXTURE GL_RENDERBUFFER_EXT*/
+    GLuint  name;
+    GLint   level;
+    GLint   face;
+    GLint   zoffset;
+} CRFBOAttachmentPoint;
+
+typedef struct {
+    GLuint                  id, hwid;
+    CRFBOAttachmentPoint    color[CR_MAX_COLOR_ATTACHMENTS];
+    CRFBOAttachmentPoint    depth;
+    CRFBOAttachmentPoint    stencil;
+    GLenum                  readbuffer;
+    /*@todo: we don't support drawbufferS yet, so it's a stub*/
+    GLenum                  drawbuffer[1];
+#ifdef IN_GUEST
+    GLenum                  status;
+#endif
+    /* bitfield representing the object usage. 1 means the object is used by the context with the given bitid */
+    CRbitvalue             ctxUsage[CR_MAX_BITARRAY];
+} CRFramebufferObject;
+
+typedef struct {
+    GLuint   id, hwid;
+    GLsizei  width, height;
+    GLenum   internalformat;
+    GLuint   redBits, greenBits, blueBits, alphaBits, depthBits, stencilBits;
+    /* bitfield representing the object usage. 1 means the object is used by the context with the given bitid */
+    CRbitvalue             ctxUsage[CR_MAX_BITARRAY];
+} CRRenderbufferObject;
+
+typedef struct {
+    CRFramebufferObject     *readFB, *drawFB;
+    CRRenderbufferObject    *renderbuffer;
+} CRFramebufferObjectState;
+
+DECLEXPORT(void) STATE_APIENTRY crStateFramebufferObjectInit(CRContext *ctx);
+DECLEXPORT(void) STATE_APIENTRY crStateFramebufferObjectDestroy(CRContext *ctx);
+DECLEXPORT(void) STATE_APIENTRY crStateFramebufferObjectSwitch(CRContext *from, CRContext *to);
+
+DECLEXPORT(void) STATE_APIENTRY crStateFramebufferObjectDisableHW(CRContext *ctx, GLuint idDrawFBO, GLuint idReadFBO);
+DECLEXPORT(void) STATE_APIENTRY crStateFramebufferObjectReenableHW(CRContext *fromCtx, CRContext *toCtx, GLuint idDrawFBO, GLuint idReadFBO);
+
+DECLEXPORT(GLuint) STATE_APIENTRY crStateGetFramebufferHWID(GLuint id);
+DECLEXPORT(GLuint) STATE_APIENTRY crStateGetRenderbufferHWID(GLuint id);
+
+DECLEXPORT(void) STATE_APIENTRY crStateBindRenderbufferEXT(GLenum target, GLuint renderbuffer);
+DECLEXPORT(void) STATE_APIENTRY crStateDeleteRenderbuffersEXT(GLsizei n, const GLuint *renderbuffers);
+DECLEXPORT(void) STATE_APIENTRY crStateRenderbufferStorageEXT(GLenum target, GLenum internalformat, GLsizei width, GLsizei height);
+DECLEXPORT(void) STATE_APIENTRY crStateGetRenderbufferParameterivEXT(GLenum target, GLenum pname, GLint *params);
+DECLEXPORT(void) STATE_APIENTRY crStateBindFramebufferEXT(GLenum target, GLuint framebuffer);
+DECLEXPORT(void) STATE_APIENTRY crStateDeleteFramebuffersEXT(GLsizei n, const GLuint *framebuffers);
+DECLEXPORT(void) STATE_APIENTRY crStateFramebufferTexture1DEXT(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
+DECLEXPORT(void) STATE_APIENTRY crStateFramebufferTexture2DEXT(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
+DECLEXPORT(void) STATE_APIENTRY crStateFramebufferTexture3DEXT(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLint zoffset);
+DECLEXPORT(void) STATE_APIENTRY crStateFramebufferRenderbufferEXT(GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer);
+DECLEXPORT(void) STATE_APIENTRY crStateGetFramebufferAttachmentParameterivEXT(GLenum target, GLenum attachment, GLenum pname, GLint *params);
+DECLEXPORT(void) STATE_APIENTRY crStateGenerateMipmapEXT(GLenum target);
+
+DECLEXPORT(GLuint) STATE_APIENTRY crStateFBOHWIDtoID(GLuint hwid);
+DECLEXPORT(GLuint) STATE_APIENTRY crStateRBOHWIDtoID(GLuint hwid);
+
+DECLEXPORT(void) crStateRegFramebuffers(GLsizei n, GLuint *buffers);
+DECLEXPORT(void) crStateRegRenderbuffers(GLsizei n, GLuint *buffers);
+
+#ifdef IN_GUEST
+DECLEXPORT(GLenum) STATE_APIENTRY crStateCheckFramebufferStatusEXT(GLenum target);
+DECLEXPORT(GLenum) STATE_APIENTRY crStateSetFramebufferStatus(GLenum target, GLenum status);
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* CR_STATE_FRAMEBUFFEROBJECT_H */