DevVGA-SVGA3d-internal.h@ 57801

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1	/* $Id: DevVGA-SVGA3d-internal.h 57154 2015-08-03 00:40:30Z vboxsync $ */
2	/** @file
3	* DevVMWare - VMWare SVGA device - 3D part, internal header.
4	*/
5
6	/*
7	* Copyright (C) 2013-2015 Oracle Corporation
8	*
9	* This file is part of VirtualBox Open Source Edition (OSE), as
10	* available from http://www.virtualbox.org. This file is free software;
11	* you can redistribute it and/or modify it under the terms of the GNU
12	* General Public License (GPL) as published by the Free Software
13	* Foundation, in version 2 as it comes in the "COPYING" file of the
14	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16	*/
17
18	#ifndef ___DevVGA_SVGA3d_internal_h
19	#define ___DevVGA_SVGA3d_internal_h
20
21	/*
22	* Assert sane compilation environment.
23	*/
24	#ifndef IN_RING3
25	# error "VMSVGA3D_INCL_INTERNALS is only for ring-3 code"
26	#endif
27	#ifdef VMSVGA3D_OPENGL
28	# ifdef VMSVGA3D_DIRECT3D
29	# error "Both VMSVGA3D_DIRECT3D and VMSVGA3D_OPENGL cannot be defined at the same time."
30	# endif
31	#elif !defined(VMSVGA3D_DIRECT3D)
32	# error "Either VMSVGA3D_OPENGL or VMSVGA3D_DIRECT3D must be defined."
33	#endif
34
35
36	/*********************************************************************************************************************************
37	* Header Files *
38	*********************************************************************************************************************************/
39	#include "DevVGA-SVGA3d.h"
40
41	#ifdef RT_OS_WINDOWS
42	# include <Windows.h>
43	# ifdef VMSVGA3D_DIRECT3D
44	# include <d3d9.h>
45	# include <iprt/avl.h>
46	# else
47	# include <GL/gl.h>
48	# include "vmsvga_glext/wglext.h"
49	# endif
50
51	#elif defined(RT_OS_DARWIN)
52	# include <OpenGL/OpenGL.h>
53	# include <OpenGL/gl3.h>
54	# include <OpenGL/gl3ext.h>
55	# define GL_DO_NOT_WARN_IF_MULTI_GL_VERSION_HEADERS_INCLUDED
56	# include <OpenGL/gl.h>
57	# include <OpenGL/glext.h>
58	# include "DevVGA-SVGA3d-cocoa.h"
59	/* work around conflicting definition of GLhandleARB in VMware's glext.h */
60	//#define GL_ARB_shader_objects
61	// HACK
62	typedef void (APIENTRYP PFNGLFOGCOORDPOINTERPROC) (GLenum type, GLsizei stride, const GLvoid *pointer);
63	typedef void (APIENTRYP PFNGLCLIENTACTIVETEXTUREPROC) (GLenum texture);
64	typedef void (APIENTRYP PFNGLGETPROGRAMIVARBPROC) (GLenum target, GLenum pname, GLint *params);
65	# define GL_RGBA_S3TC 0x83A2
66	# define GL_ALPHA8_EXT 0x803c
67	# define GL_LUMINANCE8_EXT 0x8040
68	# define GL_LUMINANCE16_EXT 0x8042
69	# define GL_LUMINANCE4_ALPHA4_EXT 0x8043
70	# define GL_LUMINANCE8_ALPHA8_EXT 0x8045
71	# define GL_INT_2_10_10_10_REV 0x8D9F
72
73	#else
74	# include <X11/Xlib.h>
75	# include <X11/Xatom.h>
76	# include <GL/gl.h>
77	# include <GL/glx.h>
78	# include <GL/glext.h>
79	# define VBOX_VMSVGA3D_GL_HACK_LEVEL 0x103
80	#endif
81
82	#include "vmsvga/svga3d_shaderdefs.h"
83	#ifdef VMSVGA3D_OPENGL
84	# include "vmsvga_glext/glext.h"
85	# include "shaderlib/shaderlib.h"
86	#endif
87
88
89	/*********************************************************************************************************************************
90	* Defined Constants And Macros *
91	*********************************************************************************************************************************/
92	#ifdef VMSVGA3D_OPENGL
93	/** OpenGL: Create a dedicated context for handling surfaces in, thus
94	* avoiding orphaned surfaces after context destruction.
95	*
96	* This cures, for instance, an assertion on fedora 21 that happens in
97	* vmsvga3dSurfaceStretchBlt if the login screen and the desktop has different
98	* sizes. The context of the login screen seems to have just been destroyed
99	* earlier and I believe the driver/X/whoever is attemting to strech the old
100	* screen content onto the new sized screen.
101	*
102	* @remarks This probably comes at a slight preformance expense, as we currently
103	* switches context when setting up the surface the first time. Not sure
104	* if we really need to, but as this is an experiment, I'm playing it safe.
105	* @remarks The define has been made default, thus should no longer be used.
106	*/
107	# define VMSVGA3D_OGL_WITH_SHARED_CTX
108	/** Fake surface ID for the shared context. */
109	# define VMSVGA3D_SHARED_CTX_ID UINT32_C(0xffffeeee)
110
111	/** @def VBOX_VMSVGA3D_GL_HACK_LEVEL
112	* Turns out that on Linux gl.h may often define the first 2-4 OpenGL versions
113	* worth of extensions, but missing out on a function pointer of fifteen. This
114	* causes headache for us when we use the function pointers below. This hack
115	* changes the code to call the known problematic functions directly.
116	* The value is ((x)<<16 \| (y)) where x and y are taken from the GL_VERSION_x_y.
117	*/
118	# ifndef VBOX_VMSVGA3D_GL_HACK_LEVEL
119	# define VBOX_VMSVGA3D_GL_HACK_LEVEL 0
120	# endif
121
122	/** Invalid OpenGL ID. */
123	# define OPENGL_INVALID_ID 0
124
125	# define VMSVGA3D_CLEAR_CURRENT_CONTEXT(pState) \
126	do { (pState)->idActiveContext = OPENGL_INVALID_ID; } while (0)
127
128	/** @def VMSVGA3D_SET_CURRENT_CONTEXT
129	* Makes sure the @a pContext is the active OpenGL context.
130	* @parm pState The VMSVGA3d state.
131	* @parm pContext The new context.
132	*/
133	# ifdef RT_OS_WINDOWS
134	# define VMSVGA3D_SET_CURRENT_CONTEXT(pState, pContext) \
135	do { \
136	if ((pState)->idActiveContext != (pContext)->id) \
137	{ \
138	BOOL fMakeCurrentRc = wglMakeCurrent((pContext)->hdc, (pContext)->hglrc); \
139	Assert(fMakeCurrentRc == TRUE); \
140	LogFlowFunc(("Changing context: %#x -> %#x\n", (pState)->idActiveContext, (pContext)->id)); \
141	(pState)->idActiveContext = (pContext)->id; \
142	} \
143	} while (0)
144
145	# elif defined(RT_OS_DARWIN)
146	# define VMSVGA3D_SET_CURRENT_CONTEXT(pState, pContext) \
147	do { \
148	if ((pState)->idActiveContext != (pContext)->id) \
149	{ \
150	vmsvga3dCocoaViewMakeCurrentContext((pContext)->cocoaView, (pContext)->cocoaContext); \
151	LogFlowFunc(("Changing context: %#x -> %#x\n", (pState)->idActiveContext, (pContext)->id)); \
152	(pState)->idActiveContext = (pContext)->id; \
153	} \
154	} while (0)
155	# else
156	# define VMSVGA3D_SET_CURRENT_CONTEXT(pState, pContext) \
157	do { \
158	if ((pState)->idActiveContext != (pContext)->id) \
159	{ \
160	Bool fMakeCurrentRc = glXMakeCurrent((pState)->display, \
161	(pContext)->window, \
162	(pContext)->glxContext); \
163	Assert(fMakeCurrentRc == True); \
164	LogFlowFunc(("Changing context: %#x -> %#x\n", (pState)->idActiveContext, (pContext)->id)); \
165	(pState)->idActiveContext = (pContext)->id; \
166	} \
167	} while (0)
168	# endif
169
170	/** @def VMSVGA3D_CLEAR_GL_ERRORS
171	* Clears all pending OpenGL errors.
172	*
173	* If I understood this correctly, OpenGL maintains a bitmask internally and
174	* glGetError gets the next bit (clearing it) from the bitmap and translates it
175	* into a GL_XXX constant value which it then returns. A single OpenGL call can
176	* set more than one bit, and they stick around across calls, from what I
177	* understand.
178	*
179	* So in order to be able to use glGetError to check whether a function
180	* succeeded, we need to call glGetError until all error bits have been cleared.
181	* This macro does that (in all types of builds).
182	*
183	* @sa VMSVGA3D_GET_GL_ERROR, VMSVGA3D_GL_IS_SUCCESS
184	*/
185	# define VMSVGA3D_CLEAR_GL_ERRORS() \
186	do { \
187	if (RT_UNLIKELY(glGetError() != GL_NO_ERROR)) /* predict no errors pending */ \
188	{ \
189	uint32_t iErrorClearingLoopsLeft = 64; \
190	while (glGetError() != GL_NO_ERROR && iErrorClearingLoopsLeft > 0) \
191	iErrorClearingLoopsLeft--; \
192	} \
193	} while (0)
194
195	/** @def VMSVGA3D_GET_LAST_GL_ERROR
196	* Gets the last OpenGL error, stores it in a_pContext->lastError and returns
197	* it.
198	*
199	* @returns Same as glGetError.
200	* @param a_pContext The context to store the error in.
201	*
202	* @sa VMSVGA3D_GL_IS_SUCCESS, VMSVGA3D_GL_COMPLAIN
203	*/
204	# define VMSVGA3D_GET_GL_ERROR(a_pContext) ((a_pContext)->lastError = glGetError())
205
206	/** @def VMSVGA3D_GL_SUCCESS
207	* Checks whether VMSVGA3D_GET_LAST_GL_ERROR() return GL_NO_ERROR.
208	*
209	* Will call glGetError() and store the result in a_pContext->lastError.
210	* Will predict GL_NO_ERROR outcome.
211	*
212	* @returns True on success, false on error.
213	* @parm a_pContext The context to store the error in.
214	*
215	* @sa VMSVGA3D_GET_GL_ERROR, VMSVGA3D_GL_COMPLAIN
216	*/
217	# define VMSVGA3D_GL_IS_SUCCESS(a_pContext) RT_LIKELY((((a_pContext)->lastError = glGetError()) == GL_NO_ERROR))
218
219	/** @def VMSVGA3D_GL_COMPLAIN
220	* Complains about one or more OpenGL errors (first in a_pContext->lastError).
221	*
222	* Strict builds will trigger an assertion, while other builds will put the
223	* first few occurences in the release log.
224	*
225	* All GL errors will be cleared after invocation. Assumes lastError
226	* is an error, will not check for GL_NO_ERROR.
227	*
228	* @param a_pState The 3D state structure.
229	* @param a_pContext The context that holds the first error.
230	* @param a_LogRelDetails Argument list for LogRel or similar that describes
231	* the operation in greater detail.
232	*
233	* @sa VMSVGA3D_GET_GL_ERROR, VMSVGA3D_GL_IS_SUCCESS
234	*/
235	# ifdef VBOX_STRICT
236	# define VMSVGA3D_GL_COMPLAIN(a_pState, a_pContext, a_LogRelDetails) \
237	do { \
238	AssertMsg((a_pState)->idActiveContext == (a_pContext)->id, \
239	("idActiveContext=%#x id=%x\n", (a_pState)->idActiveContext, (a_pContext)->id)); \
240	RTAssertMsg2Weak a_LogRelDetails; \
241	GLenum iNextError; \
242	while ((iNextError = glGetError()) != GL_NO_ERROR) \
243	RTAssertMsg2Weak("next error: %#x\n", iNextError); \
244	AssertMsgFailed(("first error: %#x (idActiveContext=%#x)\n", (a_pContext)->lastError, (a_pContext)->id)); \
245	} while (0)
246	# else
247	# define VMSVGA3D_GL_COMPLAIN(a_pState, a_pContext, a_LogRelDetails) \
248	do { \
249	LogRelMax(32, ("VMSVGA3d: OpenGL error %#x (idActiveContext=%#x) on line %u ", (a_pContext)->lastError, (a_pContext)->id)); \
250	GLenum iNextError; \
251	while ((iNextError = glGetError()) != GL_NO_ERROR) \
252	LogRelMax(32, (" - also error %#x ", iNextError)); \
253	LogRelMax(32, a_LogRelDetails); \
254	} while (0)
255	# endif
256
257	/** @def VMSVGA3D_GL_GET_AND_COMPLAIN
258	* Combination of VMSVGA3D_GET_GL_ERROR and VMSVGA3D_GL_COMPLAIN, assuming that
259	* there is a pending error.
260	*
261	* @param a_pState The 3D state structure.
262	* @param a_pContext The context that holds the first error.
263	* @param a_LogRelDetails Argument list for LogRel or similar that describes
264	* the operation in greater detail.
265	*
266	* @sa VMSVGA3D_GET_GL_ERROR, VMSVGA3D_GL_IS_SUCCESS, VMSVGA3D_GL_COMPLAIN
267	*/
268	# define VMSVGA3D_GL_GET_AND_COMPLAIN(a_pState, a_pContext, a_LogRelDetails) \
269	do { \
270	VMSVGA3D_GET_GL_ERROR(a_pContext); \
271	VMSVGA3D_GL_COMPLAIN(a_pState, a_pContext, a_LogRelDetails); \
272	} while (0)
273
274	/** @def VMSVGA3D_GL_ASSERT_SUCCESS
275	* Asserts that VMSVGA3D_GL_IS_SUCCESS is true, complains if not.
276	*
277	* Uses VMSVGA3D_GL_COMPLAIN for complaining, so check it out wrt to release
278	* logging in non-strict builds.
279	*
280	* @param a_pState The 3D state structure.
281	* @param a_pContext The context that holds the first error.
282	* @param a_LogRelDetails Argument list for LogRel or similar that describes
283	* the operation in greater detail.
284	*
285	* @sa VMSVGA3D_GET_GL_ERROR, VMSVGA3D_GL_IS_SUCCESS, VMSVGA3D_GL_COMPLAIN
286	*/
287	# define VMSVGA3D_GL_ASSERT_SUCCESS(a_pState, a_pContext, a_LogRelDetails) \
288	if (VMSVGA3D_GL_IS_SUCCESS(a_pContext)) \
289	{ /* likely */ } \
290	else do { \
291	VMSVGA3D_GL_COMPLAIN(a_pState, a_pContext, a_LogRelDetails); \
292	} while (0)
293
294	/** @def VMSVGA3D_ASSERT_GL_CALL_EX
295	* Executes the specified OpenGL API call and asserts that it succeeded, variant
296	* with extra logging flexibility.
297	*
298	* ASSUMES no GL errors pending prior to invocation - caller should use
299	* VMSVGA3D_CLEAR_GL_ERRORS if uncertain.
300	*
301	* Uses VMSVGA3D_GL_COMPLAIN for complaining, so check it out wrt to release
302	* logging in non-strict builds.
303	*
304	* @param a_GlCall Expression making an OpenGL call.
305	* @param a_pState The 3D state structure.
306	* @param a_pContext The context that holds the first error.
307	* @param a_LogRelDetails Argument list for LogRel or similar that describes
308	* the operation in greater detail.
309	*
310	* @sa VMSVGA3D_ASSERT_GL_CALL, VMSVGA3D_GL_ASSERT_SUCCESS,
311	* VMSVGA3D_GET_GL_ERROR, VMSVGA3D_GL_IS_SUCCESS, VMSVGA3D_GL_COMPLAIN
312	*/
313	# define VMSVGA3D_ASSERT_GL_CALL_EX(a_GlCall, a_pState, a_pContext, a_LogRelDetails) \
314	do { \
315	(a_GlCall); \
316	VMSVGA3D_GL_ASSERT_SUCCESS(a_pState, a_pContext, a_LogRelDetails); \
317	} while (0)
318
319	/** @def VMSVGA3D_ASSERT_GL_CALL
320	* Executes the specified OpenGL API call and asserts that it succeeded.
321	*
322	* ASSUMES no GL errors pending prior to invocation - caller should use
323	* VMSVGA3D_CLEAR_GL_ERRORS if uncertain.
324	*
325	* Uses VMSVGA3D_GL_COMPLAIN for complaining, so check it out wrt to release
326	* logging in non-strict builds.
327	*
328	* @param a_GlCall Expression making an OpenGL call.
329	* @param a_pState The 3D state structure.
330	* @param a_pContext The context that holds the first error.
331	*
332	* @sa VMSVGA3D_ASSERT_GL_CALL_EX, VMSVGA3D_GL_ASSERT_SUCCESS,
333	* VMSVGA3D_GET_GL_ERROR, VMSVGA3D_GL_IS_SUCCESS, VMSVGA3D_GL_COMPLAIN
334	*/
335	# define VMSVGA3D_ASSERT_GL_CALL(a_GlCall, a_pState, a_pContext) \
336	VMSVGA3D_ASSERT_GL_CALL_EX(a_GlCall, a_pState, a_pContext, ("%s\n", #a_GlCall))
337
338
339	/** @def VMSVGA3D_CHECK_LAST_ERROR
340	* Checks that the last OpenGL error code indicates success.
341	*
342	* Will assert and return VERR_INTERNAL_ERROR in strict builds, in other
343	* builds it will do nothing and is a NOOP.
344	*
345	* @parm pState The VMSVGA3d state.
346	* @parm pContext The context.
347	*
348	* @todo Replace with proper error handling, it's crazy to return
349	* VERR_INTERNAL_ERROR in strict builds and just barge on ahead in
350	* release builds.
351	*/
352	# ifdef VBOX_STRICT
353	# define VMSVGA3D_CHECK_LAST_ERROR(pState, pContext) do { \
354	Assert((pState)->idActiveContext == (pContext)->id); \
355	(pContext)->lastError = glGetError(); \
356	AssertMsgReturn((pContext)->lastError == GL_NO_ERROR, \
357	("%s (%d): last error 0x%x\n", __FUNCTION__, __LINE__, (pContext)->lastError), \
358	VERR_INTERNAL_ERROR); \
359	} while (0)
360	# else
361	# define VMSVGA3D_CHECK_LAST_ERROR(pState, pContext) do { } while (0)
362	# endif
363
364	/** @def VMSVGA3D_CHECK_LAST_ERROR_WARN
365	* Checks that the last OpenGL error code indicates success.
366	*
367	* Will assert in strict builds, otherwise it's a NOOP.
368	*
369	* @parm pState The VMSVGA3d state.
370	* @parm pContext The new context.
371	*/
372	# ifdef VBOX_STRICT
373	# define VMSVGA3D_CHECK_LAST_ERROR_WARN(pState, pContext) do { \
374	Assert((pState)->idActiveContext == (pContext)->id); \
375	(pContext)->lastError = glGetError(); \
376	AssertMsg((pContext)->lastError == GL_NO_ERROR, ("%s (%d): last error 0x%x\n", __FUNCTION__, __LINE__, (pContext)->lastError)); \
377	} while (0)
378	# else
379	# define VMSVGA3D_CHECK_LAST_ERROR_WARN(pState, pContext) do { } while (0)
380	# endif
381
382	#endif /* VMSVGA3D_OPENGL */
383
384	#ifdef VMSVGA3D_DIRECT3D
385	/* Enable to use Wine to convert D3D to opengl */
386	//#define VBOX_VMSVGA3D_WITH_WINE_OPENGL
387	#endif
388
389
390	/*********************************************************************************************************************************
391	* Structures and Typedefs *
392	*********************************************************************************************************************************/
393	/**
394	* Mipmap level.
395	*/
396	typedef struct VMSVGA3DMIPMAPLEVEL
397	{
398	/** The mipmap size. */
399	SVGA3dSize size;
400	/** The size (in bytes) of the mimap data when using the format the surface was
401	* defined with. */
402	uint32_t cbSurface;
403	/** The scanline/pitch size in bytes. */
404	uint32_t cbSurfacePitch;
405	/** Pointer to the mipmap bytes (cbSurface). Often NULL. If the surface has
406	* been realized in hardware, this may be outdated. */
407	void *pSurfaceData;
408	/** Set if pvSurfaceData contains data not realized in hardware or pushed to the
409	* hardware surface yet. */
410	bool fDirty;
411	} VMSVGA3DMIPMAPLEVEL;
412	/** Pointer to a mipmap level. */
413	typedef VMSVGA3DMIPMAPLEVEL *PVMSVGA3DMIPMAPLEVEL;
414
415
416	#ifdef VMSVGA3D_INCL_STRUCTURE_DESCRIPTORS
417	/**
418	* SSM descriptor table for the VMSVGA3DMIPMAPLEVEL structure.
419	*/
420	static SSMFIELD const g_aVMSVGA3DMIPMAPLEVELFields[] =
421	{
422	SSMFIELD_ENTRY( VMSVGA3DMIPMAPLEVEL, size),
423	SSMFIELD_ENTRY( VMSVGA3DMIPMAPLEVEL, cbSurface),
424	SSMFIELD_ENTRY( VMSVGA3DMIPMAPLEVEL, cbSurfacePitch),
425	SSMFIELD_ENTRY_IGN_HCPTR( VMSVGA3DMIPMAPLEVEL, pSurfaceData),
426	SSMFIELD_ENTRY_IGNORE( VMSVGA3DMIPMAPLEVEL, fDirty),
427	SSMFIELD_ENTRY_TERM()
428	};
429	#endif
430
431	typedef struct VMSVGATRANSFORMSTATE
432	{
433	bool fValid;
434	float matrix[16];
435	} VMSVGATRANSFORMSTATE;
436	typedef VMSVGATRANSFORMSTATE *PVMSVGATRANSFORMSTATE;
437
438	typedef struct VMSVGAMATERIALSTATE
439	{
440	bool fValid;
441	SVGA3dMaterial material;
442	} VMSVGAMATERIALSTATE;
443	typedef VMSVGAMATERIALSTATE *PVMSVGAMATERIALSTATE;
444
445	typedef struct VMSVGACLIPPLANESTATE
446	{
447	bool fValid;
448	float plane[4];
449	} VMSVGACLIPPLANESTATE;
450	typedef VMSVGACLIPPLANESTATE *PVMSVGACLIPPLANESTATE;
451
452	typedef struct VMSVGALIGHTSTATE
453	{
454	bool fEnabled;
455	bool fValidData;
456	SVGA3dLightData data;
457	} VMSVGALIGHTSTATE;
458	typedef VMSVGALIGHTSTATE *PVMSVGALIGHTSTATE;
459
460	typedef struct VMSVGASHADERCONST
461	{
462	bool fValid;
463	SVGA3dShaderConstType ctype;
464	uint32_t value[4];
465	} VMSVGASHADERCONST;
466	typedef VMSVGASHADERCONST *PVMSVGASHADERCONST;
467
468	#ifdef VMSVGA3D_INCL_STRUCTURE_DESCRIPTORS
469	/**
470	* SSM descriptor table for the VMSVGASHADERCONST structure.
471	*/
472	static SSMFIELD const g_aVMSVGASHADERCONSTFields[] =
473	{
474	SSMFIELD_ENTRY( VMSVGASHADERCONST, fValid),
475	SSMFIELD_ENTRY( VMSVGASHADERCONST, ctype),
476	SSMFIELD_ENTRY( VMSVGASHADERCONST, value),
477	SSMFIELD_ENTRY_TERM()
478	};
479	#endif
480
481	#ifdef VMSVGA3D_DIRECT3D
482	/**
483	*
484	*/
485	typedef struct
486	{
487	/** Key is context id. */
488	AVLU32NODECORE Core;
489	union
490	{
491	IDirect3DSurface9 *pSurface;
492	IDirect3DTexture9 *pTexture;
493	IDirect3DCubeTexture9 *pCubeTexture;
494	} u;
495	} VMSVGA3DSHAREDSURFACE;
496	typedef VMSVGA3DSHAREDSURFACE *PVMSVGA3DSHAREDSURFACE;
497	#endif /* VMSVGA3D_DIRECT3D */
498
499	/**
500	* VMSVGA3d surface.
501	*/
502	typedef struct VMSVGA3DSURFACE
503	{
504	uint32_t id;
505	#ifdef VMSVGA3D_OPENGL
506	uint32_t idWeakContextAssociation;
507	#else
508	uint32_t idAssociatedContext;
509	#endif
510	uint32_t flags;
511	SVGA3dSurfaceFormat format;
512	#ifdef VMSVGA3D_OPENGL
513	GLint internalFormatGL;
514	GLint formatGL;
515	GLint typeGL;
516	union
517	{
518	GLuint texture;
519	GLuint buffer;
520	GLuint renderbuffer;
521	} oglId;
522	#endif
523	SVGA3dSurfaceFace faces[SVGA3D_MAX_SURFACE_FACES];
524	uint32_t cFaces;
525	PVMSVGA3DMIPMAPLEVEL pMipmapLevels;
526	uint32_t multiSampleCount;
527	SVGA3dTextureFilter autogenFilter;
528	#ifdef VMSVGA3D_DIRECT3D
529	D3DFORMAT formatD3D;
530	DWORD fUsageD3D;
531	D3DMULTISAMPLE_TYPE multiSampleTypeD3D;
532	#endif
533
534	uint32_t cbBlock; /* block/pixel size in bytes */
535	/* Dirty state; surface was manually updated. */
536	bool fDirty;
537
538	#ifdef VMSVGA3D_DIRECT3D
539	/* Handle for shared objects (currently only textures & render targets). */
540	HANDLE hSharedObject;
541	/** Event query inserted after each GPU operation that updates or uses this surface. */
542	IDirect3DQuery9 *pQuery;
543	union
544	{
545	IDirect3DSurface9 *pSurface;
546	IDirect3DCubeTexture9 *pCubeTexture;
547	IDirect3DIndexBuffer9 *pIndexBuffer;
548	IDirect3DTexture9 *pTexture;
549	IDirect3DVertexBuffer9 *pVertexBuffer;
550	} u;
551	union
552	{
553	IDirect3DTexture9 *pTexture;
554	} bounce;
555	/** AVL tree containing VMSVGA3DSHAREDSURFACE structures. */
556	AVLU32TREE pSharedObjectTree;
557	bool fStencilAsTexture;
558	#endif
559	} VMSVGA3DSURFACE;
560	/** Pointer to a 3d surface. */
561	typedef VMSVGA3DSURFACE *PVMSVGA3DSURFACE;
562
563	#ifdef VMSVGA3D_INCL_STRUCTURE_DESCRIPTORS
564	/**
565	* SSM descriptor table for the VMSVGA3DSURFACE structure.
566	*/
567	static SSMFIELD const g_aVMSVGA3DSURFACEFields[] =
568	{
569	SSMFIELD_ENTRY( VMSVGA3DSURFACE, id),
570	# ifdef VMSVGA3D_OPENGL
571	SSMFIELD_ENTRY( VMSVGA3DSURFACE, idWeakContextAssociation),
572	# else
573	SSMFIELD_ENTRY( VMSVGA3DSURFACE, idAssociatedContext),
574	# endif
575	SSMFIELD_ENTRY( VMSVGA3DSURFACE, flags),
576	SSMFIELD_ENTRY( VMSVGA3DSURFACE, format),
577	# ifdef VMSVGA3D_OPENGL
578	SSMFIELD_ENTRY( VMSVGA3DSURFACE, internalFormatGL),
579	SSMFIELD_ENTRY( VMSVGA3DSURFACE, formatGL),
580	SSMFIELD_ENTRY( VMSVGA3DSURFACE, typeGL),
581	SSMFIELD_ENTRY_IGNORE( VMSVGA3DSURFACE, id),
582	# endif
583	SSMFIELD_ENTRY( VMSVGA3DSURFACE, faces),
584	SSMFIELD_ENTRY( VMSVGA3DSURFACE, cFaces),
585	SSMFIELD_ENTRY_IGN_HCPTR( VMSVGA3DSURFACE, pMipmapLevels),
586	SSMFIELD_ENTRY( VMSVGA3DSURFACE, multiSampleCount),
587	SSMFIELD_ENTRY( VMSVGA3DSURFACE, autogenFilter),
588	# ifdef VMSVGA3D_DIRECT3D
589	SSMFIELD_ENTRY( VMSVGA3DSURFACE, format), /** @todo format duplicated. */
590	SSMFIELD_ENTRY_IGNORE( VMSVGA3DSURFACE, formatD3D),
591	SSMFIELD_ENTRY_IGNORE( VMSVGA3DSURFACE, fUsageD3D),
592	SSMFIELD_ENTRY_IGNORE( VMSVGA3DSURFACE, multiSampleTypeD3D),
593	# endif
594	SSMFIELD_ENTRY( VMSVGA3DSURFACE, cbBlock),
595	SSMFIELD_ENTRY_IGNORE( VMSVGA3DSURFACE, fDirty),
596	# ifdef VMSVGA3D_DIRECT3D
597	SSMFIELD_ENTRY_IGN_HCPTR( VMSVGA3DSURFACE, hSharedObject),
598	SSMFIELD_ENTRY_IGN_HCPTR( VMSVGA3DSURFACE, pQuery),
599	SSMFIELD_ENTRY_IGN_HCPTR( VMSVGA3DSURFACE, u.pSurface),
600	SSMFIELD_ENTRY_IGN_HCPTR( VMSVGA3DSURFACE, bounce.pTexture),
601	SSMFIELD_ENTRY_IGNORE( VMSVGA3DSURFACE, pSharedObjectTree),
602	SSMFIELD_ENTRY_IGNORE( VMSVGA3DSURFACE, fStencilAsTexture),
603	# endif
604	SSMFIELD_ENTRY_TERM()
605	};
606	#endif
607
608	/** Mask we frequently apply to VMSVGA3DSURFACE::flags for decing what kind
609	* of surface we're dealing. */
610	#define VMSVGA3D_SURFACE_HINT_SWITCH_MASK \
611	( SVGA3D_SURFACE_HINT_INDEXBUFFER \| SVGA3D_SURFACE_HINT_VERTEXBUFFER \
612	\| SVGA3D_SURFACE_HINT_TEXTURE \| SVGA3D_SURFACE_HINT_RENDERTARGET \
613	\| SVGA3D_SURFACE_HINT_DEPTHSTENCIL \| SVGA3D_SURFACE_CUBEMAP )
614
615	/** @def VMSVGA3DSURFACE_HAS_HW_SURFACE
616	* Checks whether the surface has a host hardware/library surface.
617	* @returns true/false
618	* @param a_pSurface The VMSVGA3d surface.
619	*/
620	#ifdef VMSVGA3D_DIRECT3D
621	# define VMSVGA3DSURFACE_HAS_HW_SURFACE(a_pSurface) ((a_pSurface)->u.pSurface != NULL)
622	#else
623	# define VMSVGA3DSURFACE_HAS_HW_SURFACE(a_pSurface) ((a_pSurface)->oglId.texture != OPENGL_INVALID_ID)
624	#endif
625
626
627
628	typedef struct VMSVGA3DSHADER
629	{
630	uint32_t id;
631	uint32_t cid;
632	SVGA3dShaderType type;
633	uint32_t cbData;
634	void *pShaderProgram;
635	union
636	{
637	#ifdef VMSVGA3D_DIRECT3D
638	IDirect3DVertexShader9 *pVertexShader;
639	IDirect3DPixelShader9 *pPixelShader;
640	#else
641	void *pVertexShader;
642	void *pPixelShader;
643	#endif
644	void *pv;
645	} u;
646	} VMSVGA3DSHADER;
647	typedef VMSVGA3DSHADER *PVMSVGA3DSHADER;
648
649	#ifdef VMSVGA3D_INCL_STRUCTURE_DESCRIPTORS
650	/**
651	* SSM descriptor table for the VMSVGA3DSHADER structure.
652	*/
653	static SSMFIELD const g_aVMSVGA3DSHADERFields[] =
654	{
655	SSMFIELD_ENTRY( VMSVGA3DSHADER, id),
656	SSMFIELD_ENTRY( VMSVGA3DSHADER, cid),
657	SSMFIELD_ENTRY( VMSVGA3DSHADER, type),
658	SSMFIELD_ENTRY( VMSVGA3DSHADER, cbData),
659	SSMFIELD_ENTRY_IGN_HCPTR( VMSVGA3DSHADER, pShaderProgram),
660	SSMFIELD_ENTRY_IGN_HCPTR( VMSVGA3DSHADER, u.pv),
661	SSMFIELD_ENTRY_TERM()
662	};
663	#endif
664
665	/** @name VMSVGA3D_UPDATE_XXX - ...
666	* @{ */
667	#define VMSVGA3D_UPDATE_SCISSORRECT RT_BIT_32(0)
668	#define VMSVGA3D_UPDATE_ZRANGE RT_BIT_32(1)
669	#define VMSVGA3D_UPDATE_VIEWPORT RT_BIT_32(2)
670	#define VMSVGA3D_UPDATE_VERTEXSHADER RT_BIT_32(3)
671	#define VMSVGA3D_UPDATE_PIXELSHADER RT_BIT_32(4)
672	#define VMSVGA3D_UPDATE_TRANSFORM RT_BIT_32(5)
673	#define VMSVGA3D_UPDATE_MATERIAL RT_BIT_32(6)
674	/** @} */
675
676	/**
677	* VMSVGA3d context.
678	*/
679	typedef struct VMSVGA3DCONTEXT
680	{
681	uint32_t id;
682	#ifdef RT_OS_WINDOWS
683	# ifdef VMSVGA3D_DIRECT3D
684	# ifdef VBOX_VMSVGA3D_WITH_WINE_OPENGL
685	IDirect3DDevice9 *pDevice;
686	# else
687	IDirect3DDevice9Ex *pDevice;
688	# endif
689	# else
690	/* Device context of the context window. */
691	HDC hdc;
692	/* OpenGL rendering context handle. */
693	HGLRC hglrc;
694	# endif
695	/* Device context window handle. */
696	HWND hwnd;
697	#elif defined(RT_OS_DARWIN)
698	/* OpenGL rendering context */
699	NativeNSOpenGLContextRef cocoaContext;
700	NativeNSViewRef cocoaView;
701	bool fOtherProfile;
702	#else
703	/** XGL rendering context handle */
704	GLXContext glxContext;
705	/** Device context window handle */
706	Window window;
707	/** flag whether the window is mapped (=visible) */
708	bool fMapped;
709	#endif
710
711	#ifdef VMSVGA3D_OPENGL
712	/* Framebuffer object associated with this context. */
713	GLuint idFramebuffer;
714	/* Read and draw framebuffer objects for various operations. */
715	GLuint idReadFramebuffer;
716	GLuint idDrawFramebuffer;
717	/* Last GL error recorded. */
718	GLenum lastError;
719	void *pShaderContext;
720	#endif
721
722	/* Current active render target (if any) */
723	uint32_t sidRenderTarget;
724	/* Current selected texture surfaces (if any) */
725	uint32_t aSidActiveTexture[SVGA3D_MAX_TEXTURE_STAGE];
726	/* Per context pixel and vertex shaders. */
727	uint32_t cPixelShaders;
728	PVMSVGA3DSHADER paPixelShader;
729	uint32_t cVertexShaders;
730	PVMSVGA3DSHADER paVertexShader;
731	/* Keep track of the internal state to be able to recreate the context properly (save/restore, window resize). */
732	struct
733	{
734	/** VMSVGA3D_UPDATE_XXX */
735	uint32_t u32UpdateFlags;
736
737	SVGA3dRenderState aRenderState[SVGA3D_RS_MAX];
738	SVGA3dTextureState aTextureState[SVGA3D_MAX_TEXTURE_STAGE][SVGA3D_TS_MAX];
739	VMSVGATRANSFORMSTATE aTransformState[SVGA3D_TRANSFORM_MAX];
740	VMSVGAMATERIALSTATE aMaterial[SVGA3D_FACE_MAX];
741	VMSVGACLIPPLANESTATE aClipPlane[SVGA3D_CLIPPLANE_MAX];
742	VMSVGALIGHTSTATE aLightData[SVGA3D_MAX_LIGHTS];
743
744	uint32_t aRenderTargets[SVGA3D_RT_MAX];
745	SVGA3dRect RectScissor;
746	SVGA3dRect RectViewPort;
747	SVGA3dZRange zRange;
748	uint32_t shidPixel;
749	uint32_t shidVertex;
750
751	uint32_t cPixelShaderConst;
752	PVMSVGASHADERCONST paPixelShaderConst;
753	uint32_t cVertexShaderConst;
754	PVMSVGASHADERCONST paVertexShaderConst;
755	} state;
756	} VMSVGA3DCONTEXT;
757	/** Pointer to a VMSVGA3d context. */
758	typedef VMSVGA3DCONTEXT *PVMSVGA3DCONTEXT;
759
760	#ifdef VMSVGA3D_INCL_STRUCTURE_DESCRIPTORS
761	/**
762	* SSM descriptor table for the VMSVGA3DCONTEXT structure.
763	*/
764	static SSMFIELD const g_aVMSVGA3DCONTEXTFields[] =
765	{
766	SSMFIELD_ENTRY( VMSVGA3DCONTEXT, id),
767
768	# ifdef RT_OS_WINDOWS
769	# ifdef VMSVGA3D_DIRECT3D
770	SSMFIELD_ENTRY_IGN_HCPTR( VMSVGA3DCONTEXT, pDevice),
771	# else
772	SSMFIELD_ENTRY_IGNORE( VMSVGA3DCONTEXT, hdc),
773	SSMFIELD_ENTRY_IGNORE( VMSVGA3DCONTEXT, hglrc),
774	# endif
775	SSMFIELD_ENTRY_IGNORE( VMSVGA3DCONTEXT, hwnd),
776	# elif defined(RT_OS_DARWIN)
777	SSMFIELD_ENTRY_IGNORE( VMSVGA3DCONTEXT, cocoaContext),
778	SSMFIELD_ENTRY_IGNORE( VMSVGA3DCONTEXT, cocoaView),
779	SSMFIELD_ENTRY_IGNORE( VMSVGA3DCONTEXT, fOtherProfile),
780	# else
781	SSMFIELD_ENTRY_IGNORE( VMSVGA3DCONTEXT, glxContext),
782	SSMFIELD_ENTRY_IGNORE( VMSVGA3DCONTEXT, window),
783	SSMFIELD_ENTRY_IGNORE( VMSVGA3DCONTEXT, fMapped),
784	# endif
785
786	#ifdef VMSVGA3D_OPENGL
787	SSMFIELD_ENTRY_IGNORE( VMSVGA3DCONTEXT, idFramebuffer),
788	SSMFIELD_ENTRY_IGNORE( VMSVGA3DCONTEXT, idReadFramebuffer),
789	SSMFIELD_ENTRY_IGNORE( VMSVGA3DCONTEXT, idDrawFramebuffer),
790	SSMFIELD_ENTRY( VMSVGA3DCONTEXT, lastError),
791	SSMFIELD_ENTRY_IGN_HCPTR( VMSVGA3DCONTEXT, pShaderContext),
792	#endif
793
794	SSMFIELD_ENTRY_IGNORE( VMSVGA3DCONTEXT, sidRenderTarget),
795	SSMFIELD_ENTRY_IGNORE( VMSVGA3DCONTEXT, aSidActiveTexture),
796	SSMFIELD_ENTRY( VMSVGA3DCONTEXT, cPixelShaders),
797	SSMFIELD_ENTRY_IGN_HCPTR( VMSVGA3DCONTEXT, paPixelShader),
798	SSMFIELD_ENTRY( VMSVGA3DCONTEXT, cVertexShaders),
799	SSMFIELD_ENTRY_IGN_HCPTR( VMSVGA3DCONTEXT, paVertexShader),
800	SSMFIELD_ENTRY( VMSVGA3DCONTEXT, state.u32UpdateFlags),
801
802	SSMFIELD_ENTRY( VMSVGA3DCONTEXT, state.aRenderState),
803	SSMFIELD_ENTRY( VMSVGA3DCONTEXT, state.aTextureState),
804	SSMFIELD_ENTRY( VMSVGA3DCONTEXT, state.aTransformState),
805	SSMFIELD_ENTRY( VMSVGA3DCONTEXT, state.aMaterial),
806	SSMFIELD_ENTRY( VMSVGA3DCONTEXT, state.aClipPlane),
807	SSMFIELD_ENTRY( VMSVGA3DCONTEXT, state.aLightData),
808
809	SSMFIELD_ENTRY( VMSVGA3DCONTEXT, state.aRenderTargets),
810	SSMFIELD_ENTRY( VMSVGA3DCONTEXT, state.RectScissor),
811	SSMFIELD_ENTRY( VMSVGA3DCONTEXT, state.RectViewPort),
812	SSMFIELD_ENTRY( VMSVGA3DCONTEXT, state.zRange),
813	SSMFIELD_ENTRY( VMSVGA3DCONTEXT, state.shidPixel),
814	SSMFIELD_ENTRY( VMSVGA3DCONTEXT, state.shidVertex),
815	SSMFIELD_ENTRY( VMSVGA3DCONTEXT, state.cPixelShaderConst),
816	SSMFIELD_ENTRY_IGN_HCPTR( VMSVGA3DCONTEXT, state.paPixelShaderConst),
817	SSMFIELD_ENTRY( VMSVGA3DCONTEXT, state.cVertexShaderConst),
818	SSMFIELD_ENTRY_IGN_HCPTR( VMSVGA3DCONTEXT, state.paVertexShaderConst),
819	SSMFIELD_ENTRY_TERM()
820	};
821	#endif /* VMSVGA3D_INCL_STRUCTURE_DESCRIPTORS */
822
823
824	/**
825	* VMSVGA3d state data.
826	*
827	* Allocated on the heap and pointed to by VMSVGAState::p3dState.
828	*/
829	typedef struct VMSVGA3DSTATE
830	{
831	/** The size of papContexts. */
832	uint32_t cContexts;
833	/** The size of papSurfaces. */
834	uint32_t cSurfaces;
835	/** Contexts indexed by ID. Grown as needed. */
836	PVMSVGA3DCONTEXT *papContexts;
837	/** Surfaces indexed by ID. Grown as needed. */
838	PVMSVGA3DSURFACE *papSurfaces;
839
840	#ifdef RT_OS_WINDOWS
841	# ifdef VMSVGA3D_DIRECT3D
842	# ifdef VBOX_VMSVGA3D_WITH_WINE_OPENGL
843	IDirect3D9 *pD3D9;
844	# else
845	IDirect3D9Ex *pD3D9;
846	# endif
847	D3DCAPS9 caps;
848	bool fSupportedSurfaceINTZ;
849	bool fSupportedSurfaceNULL;
850	# endif
851	/** Window Thread. */
852	R3PTRTYPE(RTTHREAD) pWindowThread;
853	DWORD idWindowThread;
854	HMODULE hInstance;
855	/** Window request semaphore. */
856	RTSEMEVENT WndRequestSem;
857	#elif defined(RT_OS_DARWIN)
858	#else
859	/* The X display */
860	Display *display;
861	R3PTRTYPE(RTTHREAD) pWindowThread;
862	bool bTerminate;
863	#endif
864
865	#ifdef VMSVGA3D_OPENGL
866	float fGLVersion;
867	/* Current active context. */
868	uint32_t idActiveContext;
869
870	struct
871	{
872	PFNGLISRENDERBUFFERPROC glIsRenderbuffer;
873	PFNGLBINDRENDERBUFFERPROC glBindRenderbuffer;
874	PFNGLDELETERENDERBUFFERSPROC glDeleteRenderbuffers;
875	PFNGLGENRENDERBUFFERSPROC glGenRenderbuffers;
876	PFNGLRENDERBUFFERSTORAGEPROC glRenderbufferStorage;
877	PFNGLGETRENDERBUFFERPARAMETERIVPROC glGetRenderbufferParameteriv;
878	PFNGLISFRAMEBUFFERPROC glIsFramebuffer;
879	PFNGLBINDFRAMEBUFFERPROC glBindFramebuffer;
880	PFNGLDELETEFRAMEBUFFERSPROC glDeleteFramebuffers;
881	PFNGLGENFRAMEBUFFERSPROC glGenFramebuffers;
882	PFNGLCHECKFRAMEBUFFERSTATUSPROC glCheckFramebufferStatus;
883	PFNGLFRAMEBUFFERTEXTURE1DPROC glFramebufferTexture1D;
884	PFNGLFRAMEBUFFERTEXTURE2DPROC glFramebufferTexture2D;
885	PFNGLFRAMEBUFFERTEXTURE3DPROC glFramebufferTexture3D;
886	PFNGLFRAMEBUFFERRENDERBUFFERPROC glFramebufferRenderbuffer;
887	PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC glGetFramebufferAttachmentParameteriv;
888	PFNGLGENERATEMIPMAPPROC glGenerateMipmap;
889	PFNGLBLITFRAMEBUFFERPROC glBlitFramebuffer;
890	PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC glRenderbufferStorageMultisample;
891	PFNGLFRAMEBUFFERTEXTURELAYERPROC glFramebufferTextureLayer;
892	PFNGLPOINTPARAMETERFPROC glPointParameterf;
893	#if VBOX_VMSVGA3D_GL_HACK_LEVEL < 0x102
894	PFNGLBLENDCOLORPROC glBlendColor;
895	PFNGLBLENDEQUATIONPROC glBlendEquation;
896	#endif
897	PFNGLBLENDEQUATIONSEPARATEPROC glBlendEquationSeparate;
898	PFNGLBLENDFUNCSEPARATEPROC glBlendFuncSeparate;
899	PFNGLSTENCILOPSEPARATEPROC glStencilOpSeparate;
900	PFNGLSTENCILFUNCSEPARATEPROC glStencilFuncSeparate;
901	PFNGLBINDBUFFERPROC glBindBuffer;
902	PFNGLDELETEBUFFERSPROC glDeleteBuffers;
903	PFNGLGENBUFFERSPROC glGenBuffers;
904	PFNGLBUFFERDATAPROC glBufferData;
905	PFNGLMAPBUFFERPROC glMapBuffer;
906	PFNGLUNMAPBUFFERPROC glUnmapBuffer;
907	PFNGLENABLEVERTEXATTRIBARRAYPROC glEnableVertexAttribArray;
908	PFNGLDISABLEVERTEXATTRIBARRAYPROC glDisableVertexAttribArray;
909	PFNGLVERTEXATTRIBPOINTERPROC glVertexAttribPointer;
910	PFNGLFOGCOORDPOINTERPROC glFogCoordPointer;
911	PFNGLDRAWELEMENTSINSTANCEDBASEVERTEXPROC glDrawElementsInstancedBaseVertex;
912	PFNGLDRAWELEMENTSBASEVERTEXPROC glDrawElementsBaseVertex;
913	PFNGLACTIVETEXTUREPROC glActiveTexture;
914	#if VBOX_VMSVGA3D_GL_HACK_LEVEL < 0x103
915	PFNGLCLIENTACTIVETEXTUREPROC glClientActiveTexture;
916	#endif
917	PFNGLGETPROGRAMIVARBPROC glGetProgramivARB;
918	PFNGLPROVOKINGVERTEXPROC glProvokingVertex;
919	bool fEXT_stencil_two_side;
920	} ext;
921
922	struct
923	{
924	GLint maxActiveLights;
925	GLint maxTextureBufferSize;
926	GLint maxTextures;
927	GLint maxClipDistances;
928	GLint maxColorAttachments;
929	GLint maxRectangleTextureSize;
930	GLint maxTextureAnisotropy;
931	GLint maxVertexShaderInstructions;
932	GLint maxFragmentShaderInstructions;
933	GLint maxVertexShaderTemps;
934	GLint maxFragmentShaderTemps;
935	GLfloat flPointSize[2];
936	SVGA3dPixelShaderVersion fragmentShaderVersion;
937	SVGA3dVertexShaderVersion vertexShaderVersion;
938	bool fS3TCSupported;
939	} caps;
940
941	/** The GL_EXTENSIONS value (space padded) for the default OpenGL profile.
942	* Free with RTStrFree. */
943	R3PTRTYPE(char *) pszExtensions;
944
945	/** The GL_EXTENSIONS value (space padded) for the other OpenGL profile.
946	* Free with RTStrFree.
947	*
948	* This is used to detect shader model version since some implementations
949	* (darwin) hides extensions that have made it into core and probably a
950	* bunch of others when using a OpenGL core profile instead of a legacy one */
951	R3PTRTYPE(char *) pszOtherExtensions;
952	/** The version of the other GL profile. */
953	float fOtherGLVersion;
954
955	/** Shader talk back interface. */
956	VBOXVMSVGASHADERIF ShaderIf;
957
958	# ifdef VMSVGA3D_OPENGL
959	/** The shared context. */
960	VMSVGA3DCONTEXT SharedCtx;
961	# endif
962	#endif /* VMSVGA3D_OPENGL */
963	} VMSVGA3DSTATE;
964
965	#ifdef VMSVGA3D_INCL_STRUCTURE_DESCRIPTORS
966	/**
967	* SSM descriptor table for the VMSVGA3DSTATE structure.
968	*
969	* @remarks This isn't a complete structure markup, only fields with state.
970	*/
971	static SSMFIELD const g_aVMSVGA3DSTATEFields[] =
972	{
973	# ifdef VMSVGA3D_OPENGL
974	SSMFIELD_ENTRY( VMSVGA3DSTATE, fGLVersion), /** @todo Why are we saving the GL version?? */
975	# endif
976	SSMFIELD_ENTRY( VMSVGA3DSTATE, cContexts),
977	SSMFIELD_ENTRY( VMSVGA3DSTATE, cSurfaces),
978	SSMFIELD_ENTRY_TERM()
979	};
980	#endif /* VMSVGA3D_INCL_STRUCTURE_DESCRIPTORS */
981
982
983	#ifdef VMSVGA3D_DIRECT3D
984	D3DFORMAT vmsvga3dSurfaceFormat2D3D(SVGA3dSurfaceFormat format);
985	D3DMULTISAMPLE_TYPE vmsvga3dMultipeSampleCount2D3D(uint32_t multisampleCount);
986	DECLCALLBACK(int) vmsvga3dSharedSurfaceDestroyTree(PAVLU32NODECORE pNode, void *pvParam);
987	int vmsvga3dSurfaceFlush(PVGASTATE pThis, PVMSVGA3DSURFACE pSurface);
988	#endif /* VMSVGA3D_DIRECT3D */
989
990
991	#ifdef VMSVGA3D_OPENGL
992	/** Save and setup everything. */
993	# define VMSVGA3D_PARANOID_TEXTURE_PACKING
994
995	/**
996	* Saved texture packing parameters (shared by both pack and unpack).
997	*/
998	typedef struct VMSVGAPACKPARAMS
999	{
1000	GLint iAlignment;
1001	GLint cxRow;
1002	# ifdef VMSVGA3D_PARANOID_TEXTURE_PACKING
1003	GLint cyImage;
1004	GLboolean fSwapBytes;
1005	GLboolean fLsbFirst;
1006	GLint cSkipRows;
1007	GLint cSkipPixels;
1008	GLint cSkipImages;
1009	# endif
1010	} VMSVGAPACKPARAMS;
1011	/** Pointer to saved texture packing parameters. */
1012	typedef VMSVGAPACKPARAMS *PVMSVGAPACKPARAMS;
1013	/** Pointer to const saved texture packing parameters. */
1014	typedef VMSVGAPACKPARAMS const *PCVMSVGAPACKPARAMS;
1015
1016	void vmsvga3dOglSetPackParams(PVMSVGA3DSTATE pState, PVMSVGA3DCONTEXT pContext, PVMSVGA3DSURFACE pSurface,
1017	PVMSVGAPACKPARAMS pSave);
1018	void vmsvga3dOglRestorePackParams(PVMSVGA3DSTATE pState, PVMSVGA3DCONTEXT pContext, PVMSVGA3DSURFACE pSurface,
1019	PCVMSVGAPACKPARAMS pSave);
1020	void vmsvga3dOglSetUnpackParams(PVMSVGA3DSTATE pState, PVMSVGA3DCONTEXT pContext, PVMSVGA3DSURFACE pSurface,
1021	PVMSVGAPACKPARAMS pSave);
1022	void vmsvga3dOglRestoreUnpackParams(PVMSVGA3DSTATE pState, PVMSVGA3DCONTEXT pContext, PVMSVGA3DSURFACE pSurface,
1023	PCVMSVGAPACKPARAMS pSave);
1024
1025	/** @name VMSVGA3D_DEF_CTX_F_XXX - vmsvga3dContextDefineOgl flags.
1026	* @{ */
1027	/** When clear, the context is created using the default OpenGL profile.
1028	* When set, it's created using the alternative profile. The latter is only
1029	* allowed if the VBOX_VMSVGA3D_DUAL_OPENGL_PROFILE is set. */
1030	# define VMSVGA3D_DEF_CTX_F_OTHER_PROFILE RT_BIT_32(0)
1031	/** Defining the shared context. */
1032	# define VMSVGA3D_DEF_CTX_F_SHARED_CTX RT_BIT_32(1)
1033	/** Defining the init time context (EMT). */
1034	# define VMSVGA3D_DEF_CTX_F_INIT RT_BIT_32(2)
1035	/** @} */
1036	int vmsvga3dContextDefineOgl(PVGASTATE pThis, uint32_t cid, uint32_t fFlags);
1037	void vmsvga3dSurfaceFormat2OGL(PVMSVGA3DSURFACE pSurface, SVGA3dSurfaceFormat format);
1038
1039	#endif /* VMSVGA3D_OPENGL */
1040
1041
1042	/* DevVGA-SVGA3d-shared.cpp: */
1043	uint32_t vmsvga3dSaveShaderConst(PVMSVGA3DCONTEXT pContext, uint32_t reg, SVGA3dShaderType type, SVGA3dShaderConstType ctype,
1044	uint32_t val1, uint32_t val2, uint32_t val3, uint32_t val4);
1045
1046
1047
1048	/* Command implementation workers. */
1049	void vmsvga3dBackSurfaceDestroy(PVMSVGA3DSTATE pState, PVMSVGA3DSURFACE pSurface);
1050	int vmsvga3dBackSurfaceStretchBlt(PVGASTATE pThis, PVMSVGA3DSTATE pState,
1051	PVMSVGA3DSURFACE pDstSurface, uint32_t uDstMipmap, SVGA3dBox const *pDstBox,
1052	PVMSVGA3DSURFACE pSrcSurface, uint32_t uSrcMipmap, SVGA3dBox const *pSrcBox,
1053	SVGA3dStretchBltMode enmMode, PVMSVGA3DCONTEXT pContext);
1054	int vmsvga3dBackSurfaceDMACopyBox(PVGASTATE pThis, PVMSVGA3DSTATE pState, PVMSVGA3DSURFACE pSurface, uint32_t uHostMimap,
1055	SVGAGuestPtr GuestPtr, uint32_t cbSrcPitch, SVGA3dTransferType transfer,
1056	SVGA3dCopyBox const *pBox, PVMSVGA3DCONTEXT pContext, int rc, int iBox);
1057
1058	int vmsvga3dBackCreateTexture(PVMSVGA3DSTATE pState, PVMSVGA3DCONTEXT pContext, uint32_t idAssociatedContext,
1059	PVMSVGA3DSURFACE pSurface);
1060
1061	#endif
1062

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source: vbox/trunk/src/VBox/Devices/Graphics/DevVGA-SVGA3d-internal.h@ 57801

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