DevVGA-SVGA3d-savedstate.cpp@ 93115

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1	/* $Id: DevVGA-SVGA3d-savedstate.cpp 93115 2022-01-01 11:31:46Z vboxsync $ */
2	/** @file
3	* DevSVGA3d - VMWare SVGA device, 3D parts - Saved state and assocated stuff.
4	*/
5
6	/*
7	* Copyright (C) 2013-2022 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
19	/*********************************************************************************************************************************
20	* Header Files *
21	*********************************************************************************************************************************/
22	#define LOG_GROUP LOG_GROUP_DEV_VMSVGA
23	#include <VBox/vmm/pdmdev.h>
24	#include <iprt/errcore.h>
25	#include <VBox/log.h>
26
27	#include <iprt/assert.h>
28	#include <iprt/mem.h>
29
30	#include <VBox/vmm/pgm.h> /* required by DevVGA.h */
31	#include <VBoxVideo.h> /* required by DevVGA.h */
32
33	/* should go BEFORE any other DevVGA include to make all DevVGA.h config defines be visible */
34	#include "DevVGA.h"
35
36	#include "DevVGA-SVGA.h"
37	#include "DevVGA-SVGA3d.h"
38	#define VMSVGA3D_INCL_STRUCTURE_DESCRIPTORS
39	#include "DevVGA-SVGA3d-internal.h"
40
41
42
43	/**
44	* Reinitializes an active context.
45	*
46	* @returns VBox status code.
47	* @param pThisCC The VGA/VMSVGA state for ring-3.
48	* @param pContext The freshly loaded context to reinitialize.
49	*/
50	static int vmsvga3dLoadReinitContext(PVGASTATECC pThisCC, PVMSVGA3DCONTEXT pContext)
51	{
52	int rc;
53	uint32_t cid = pContext->id;
54	Assert(cid != SVGA3D_INVALID_ID);
55
56	/* First set the render targets as they change the internal state (reset viewport etc) */
57	Log(("vmsvga3dLoadReinitContext: Recreate render targets BEGIN [cid=%#x]\n", cid));
58	for (uint32_t j = 0; j < RT_ELEMENTS(pContext->state.aRenderTargets); j++)
59	{
60	if (pContext->state.aRenderTargets[j] != SVGA3D_INVALID_ID)
61	{
62	SVGA3dSurfaceImageId target;
63
64	target.sid = pContext->state.aRenderTargets[j];
65	target.face = 0;
66	target.mipmap = 0;
67	rc = vmsvga3dSetRenderTarget(pThisCC, cid, (SVGA3dRenderTargetType)j, target);
68	AssertRCReturn(rc, rc);
69	}
70	}
71	Log(("vmsvga3dLoadReinitContext: Recreate render targets END\n"));
72
73	/* Recreate the render state */
74	Log(("vmsvga3dLoadReinitContext: Recreate render state BEGIN\n"));
75	for (uint32_t j = 0; j < RT_ELEMENTS(pContext->state.aRenderState); j++)
76	{
77	SVGA3dRenderState *pRenderState = &pContext->state.aRenderState[j];
78
79	if (pRenderState->state != SVGA3D_RS_INVALID)
80	vmsvga3dSetRenderState(pThisCC, pContext->id, 1, pRenderState);
81	}
82	Log(("vmsvga3dLoadReinitContext: Recreate render state END\n"));
83
84	/* Recreate the texture state */
85	Log(("vmsvga3dLoadReinitContext: Recreate texture state BEGIN\n"));
86	for (uint32_t iStage = 0; iStage < RT_ELEMENTS(pContext->state.aTextureStates); ++iStage)
87	{
88	for (uint32_t j = 0; j < RT_ELEMENTS(pContext->state.aTextureStates[0]); ++j)
89	{
90	SVGA3dTextureState *pTextureState = &pContext->state.aTextureStates[iStage][j];
91
92	if (pTextureState->name != SVGA3D_TS_INVALID)
93	vmsvga3dSetTextureState(pThisCC, pContext->id, 1, pTextureState);
94	}
95	}
96	Log(("vmsvga3dLoadReinitContext: Recreate texture state END\n"));
97
98	/* Reprogram the clip planes. */
99	for (uint32_t j = 0; j < RT_ELEMENTS(pContext->state.aClipPlane); j++)
100	{
101	if (pContext->state.aClipPlane[j].fValid == true)
102	vmsvga3dSetClipPlane(pThisCC, cid, j, pContext->state.aClipPlane[j].plane);
103	}
104
105	/* Reprogram the light data. */
106	for (uint32_t j = 0; j < RT_ELEMENTS(pContext->state.aLightData); j++)
107	{
108	if (pContext->state.aLightData[j].fValidData == true)
109	vmsvga3dSetLightData(pThisCC, cid, j, &pContext->state.aLightData[j].data);
110	if (pContext->state.aLightData[j].fEnabled)
111	vmsvga3dSetLightEnabled(pThisCC, cid, j, true);
112	}
113
114	/* Recreate the transform state. */
115	if (pContext->state.u32UpdateFlags & VMSVGA3D_UPDATE_TRANSFORM)
116	{
117	for (uint32_t j = 0; j < RT_ELEMENTS(pContext->state.aTransformState); j++)
118	{
119	if (pContext->state.aTransformState[j].fValid == true)
120	vmsvga3dSetTransform(pThisCC, cid, (SVGA3dTransformType)j, pContext->state.aTransformState[j].matrix);
121	}
122	}
123
124	/* Reprogram the material data. */
125	if (pContext->state.u32UpdateFlags & VMSVGA3D_UPDATE_MATERIAL)
126	{
127	for (uint32_t j = 0; j < RT_ELEMENTS(pContext->state.aMaterial); j++)
128	{
129	if (pContext->state.aMaterial[j].fValid == true)
130	vmsvga3dSetMaterial(pThisCC, cid, (SVGA3dFace)j, &pContext->state.aMaterial[j].material);
131	}
132	}
133
134	if (pContext->state.u32UpdateFlags & VMSVGA3D_UPDATE_SCISSORRECT)
135	vmsvga3dSetScissorRect(pThisCC, cid, &pContext->state.RectScissor);
136	if (pContext->state.u32UpdateFlags & VMSVGA3D_UPDATE_ZRANGE)
137	vmsvga3dSetZRange(pThisCC, cid, pContext->state.zRange);
138	if (pContext->state.u32UpdateFlags & VMSVGA3D_UPDATE_VIEWPORT)
139	vmsvga3dSetViewPort(pThisCC, cid, &pContext->state.RectViewPort);
140	if (pContext->state.u32UpdateFlags & VMSVGA3D_UPDATE_VERTEXSHADER)
141	vmsvga3dShaderSet(pThisCC, pContext, cid, SVGA3D_SHADERTYPE_VS, pContext->state.shidVertex);
142	if (pContext->state.u32UpdateFlags & VMSVGA3D_UPDATE_PIXELSHADER)
143	vmsvga3dShaderSet(pThisCC, pContext, cid, SVGA3D_SHADERTYPE_PS, pContext->state.shidPixel);
144
145	Log(("vmsvga3dLoadReinitContext: returns [cid=%#x]\n", cid));
146	return VINF_SUCCESS;
147	}
148
149	static int vmsvga3dLoadVMSVGA3DSURFACEPreMipLevels(PPDMDEVINS pDevIns, PSSMHANDLE pSSM, VMSVGA3DSURFACE *pSurface)
150	{
151	struct VMSVGA3DSURFACEPreMipLevels
152	{
153	uint32_t id;
154	uint32_t idAssociatedContext;
155	uint32_t surfaceFlags;
156	SVGA3dSurfaceFormat format;
157	#ifdef VMSVGA3D_OPENGL
158	GLint internalFormatGL;
159	GLint formatGL;
160	GLint typeGL;
161	#endif
162	SVGA3dSurfaceFace faces[SVGA3D_MAX_SURFACE_FACES];
163	uint32_t cFaces;
164	uint32_t multiSampleCount;
165	SVGA3dTextureFilter autogenFilter;
166	uint32_t cbBlock;
167	};
168
169	static SSMFIELD const s_aVMSVGA3DSURFACEFieldsPreMipLevels[] =
170	{
171	SSMFIELD_ENTRY(struct VMSVGA3DSURFACEPreMipLevels, id),
172	SSMFIELD_ENTRY(struct VMSVGA3DSURFACEPreMipLevels, idAssociatedContext),
173	SSMFIELD_ENTRY(struct VMSVGA3DSURFACEPreMipLevels, surfaceFlags),
174	SSMFIELD_ENTRY(struct VMSVGA3DSURFACEPreMipLevels, format),
175	#ifdef VMSVGA3D_OPENGL
176	SSMFIELD_ENTRY(struct VMSVGA3DSURFACEPreMipLevels, internalFormatGL),
177	SSMFIELD_ENTRY(struct VMSVGA3DSURFACEPreMipLevels, formatGL),
178	SSMFIELD_ENTRY(struct VMSVGA3DSURFACEPreMipLevels, typeGL),
179	#endif
180	SSMFIELD_ENTRY(struct VMSVGA3DSURFACEPreMipLevels, faces),
181	SSMFIELD_ENTRY(struct VMSVGA3DSURFACEPreMipLevels, cFaces),
182	SSMFIELD_ENTRY(struct VMSVGA3DSURFACEPreMipLevels, multiSampleCount),
183	SSMFIELD_ENTRY(struct VMSVGA3DSURFACEPreMipLevels, autogenFilter),
184	#ifdef VMSVGA3D_DIRECT3D
185	SSMFIELD_ENTRY(struct VMSVGA3DSURFACEPreMipLevels, format), /* Yes, the 'format' field is duplicated. */
186	#endif
187	SSMFIELD_ENTRY(struct VMSVGA3DSURFACEPreMipLevels, cbBlock),
188	SSMFIELD_ENTRY_TERM()
189	};
190
191	struct VMSVGA3DSURFACEPreMipLevels surfacePreMipLevels;
192	int rc = pDevIns->pHlpR3->pfnSSMGetStructEx(pSSM, &surfacePreMipLevels, sizeof(surfacePreMipLevels), 0, s_aVMSVGA3DSURFACEFieldsPreMipLevels, NULL);
193	if (RT_SUCCESS(rc))
194	{
195	pSurface->id = surfacePreMipLevels.id;
196	pSurface->idAssociatedContext = surfacePreMipLevels.idAssociatedContext;
197	pSurface->surfaceFlags = surfacePreMipLevels.surfaceFlags;
198	pSurface->format = surfacePreMipLevels.format;
199	#ifdef VMSVGA3D_OPENGL
200	pSurface->internalFormatGL = surfacePreMipLevels.internalFormatGL;
201	pSurface->formatGL = surfacePreMipLevels.formatGL;
202	pSurface->typeGL = surfacePreMipLevels.typeGL;
203	#endif
204	pSurface->cLevels = surfacePreMipLevels.faces[0].numMipLevels;
205	pSurface->cFaces = surfacePreMipLevels.cFaces;
206	pSurface->multiSampleCount = surfacePreMipLevels.multiSampleCount;
207	pSurface->autogenFilter = surfacePreMipLevels.autogenFilter;
208	pSurface->cbBlock = surfacePreMipLevels.cbBlock;
209	}
210	return rc;
211	}
212
213	int vmsvga3dLoadExec(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC, PSSMHANDLE pSSM, uint32_t uVersion, uint32_t uPass)
214	{
215	RT_NOREF(pDevIns, pThis, uPass);
216	PVMSVGA3DSTATE pState = pThisCC->svga.p3dState;
217	AssertReturn(pState, VERR_NO_MEMORY);
218	PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3;
219	int rc;
220	uint32_t cContexts, cSurfaces;
221	LogFlow(("vmsvga3dLoadExec:\n"));
222
223	/* Get the generic 3d state first. */
224	rc = pHlp->pfnSSMGetStructEx(pSSM, pState, sizeof(*pState), 0, g_aVMSVGA3DSTATEFields, NULL);
225	AssertRCReturn(rc, rc);
226
227	cContexts = pState->cContexts;
228	cSurfaces = pState->cSurfaces;
229	pState->cContexts = 0;
230	pState->cSurfaces = 0;
231
232	/* Fetch all active contexts. */
233	for (uint32_t i = 0; i < cContexts; i++)
234	{
235	PVMSVGA3DCONTEXT pContext;
236	uint32_t cid;
237
238	/* Get the context id */
239	rc = pHlp->pfnSSMGetU32(pSSM, &cid);
240	AssertRCReturn(rc, rc);
241
242	if (cid != SVGA3D_INVALID_ID)
243	{
244	uint32_t cPixelShaderConst, cVertexShaderConst, cPixelShaders, cVertexShaders;
245	LogFlow(("vmsvga3dLoadExec: Loading cid=%#x\n", cid));
246
247	#ifdef VMSVGA3D_OPENGL
248	if (cid == VMSVGA3D_SHARED_CTX_ID)
249	{
250	i--; /* Not included in cContexts. */
251	pContext = &pState->SharedCtx;
252	if (pContext->id != VMSVGA3D_SHARED_CTX_ID)
253	{
254	/** @todo Separate backend */
255	rc = vmsvga3dContextDefineOgl(pThisCC, VMSVGA3D_SHARED_CTX_ID, VMSVGA3D_DEF_CTX_F_SHARED_CTX);
256	AssertRCReturn(rc, rc);
257	}
258	}
259	else
260	#endif
261	{
262	rc = vmsvga3dContextDefine(pThisCC, cid);
263	AssertRCReturn(rc, rc);
264
265	pContext = pState->papContexts[i];
266	}
267	AssertReturn(pContext->id == cid, VERR_INTERNAL_ERROR);
268
269	rc = pHlp->pfnSSMGetStructEx(pSSM, pContext, sizeof(*pContext), 0, g_aVMSVGA3DCONTEXTFields, NULL);
270	AssertRCReturn(rc, rc);
271
272	cPixelShaders = pContext->cPixelShaders;
273	cVertexShaders = pContext->cVertexShaders;
274	cPixelShaderConst = pContext->state.cPixelShaderConst;
275	cVertexShaderConst = pContext->state.cVertexShaderConst;
276	pContext->cPixelShaders = 0;
277	pContext->cVertexShaders = 0;
278	pContext->state.cPixelShaderConst = 0;
279	pContext->state.cVertexShaderConst = 0;
280
281	/* Fetch all pixel shaders. */
282	for (uint32_t j = 0; j < cPixelShaders; j++)
283	{
284	VMSVGA3DSHADER shader;
285	uint32_t shid;
286
287	/* Fetch the id first. */
288	rc = pHlp->pfnSSMGetU32(pSSM, &shid);
289	AssertRCReturn(rc, rc);
290
291	if (shid != SVGA3D_INVALID_ID)
292	{
293	uint32_t *pData;
294
295	/* Fetch a copy of the shader struct. */
296	rc = pHlp->pfnSSMGetStructEx(pSSM, &shader, sizeof(shader), 0, g_aVMSVGA3DSHADERFields, NULL);
297	AssertRCReturn(rc, rc);
298
299	pData = (uint32_t *)RTMemAlloc(shader.cbData);
300	AssertReturn(pData, VERR_NO_MEMORY);
301
302	rc = pHlp->pfnSSMGetMem(pSSM, pData, shader.cbData);
303	AssertRCReturn(rc, rc);
304
305	rc = vmsvga3dShaderDefine(pThisCC, cid, shid, shader.type, shader.cbData, pData);
306	AssertRCReturn(rc, rc);
307
308	RTMemFree(pData);
309	}
310	}
311
312	/* Fetch all vertex shaders. */
313	for (uint32_t j = 0; j < cVertexShaders; j++)
314	{
315	VMSVGA3DSHADER shader;
316	uint32_t shid;
317
318	/* Fetch the id first. */
319	rc = pHlp->pfnSSMGetU32(pSSM, &shid);
320	AssertRCReturn(rc, rc);
321
322	if (shid != SVGA3D_INVALID_ID)
323	{
324	uint32_t *pData;
325
326	/* Fetch a copy of the shader struct. */
327	rc = pHlp->pfnSSMGetStructEx(pSSM, &shader, sizeof(shader), 0, g_aVMSVGA3DSHADERFields, NULL);
328	AssertRCReturn(rc, rc);
329
330	pData = (uint32_t *)RTMemAlloc(shader.cbData);
331	AssertReturn(pData, VERR_NO_MEMORY);
332
333	rc = pHlp->pfnSSMGetMem(pSSM, pData, shader.cbData);
334	AssertRCReturn(rc, rc);
335
336	rc = vmsvga3dShaderDefine(pThisCC, cid, shid, shader.type, shader.cbData, pData);
337	AssertRCReturn(rc, rc);
338
339	RTMemFree(pData);
340	}
341	}
342
343	/* Fetch pixel shader constants. */
344	for (uint32_t j = 0; j < cPixelShaderConst; j++)
345	{
346	VMSVGASHADERCONST ShaderConst;
347
348	rc = pHlp->pfnSSMGetStructEx(pSSM, &ShaderConst, sizeof(ShaderConst), 0, g_aVMSVGASHADERCONSTFields, NULL);
349	AssertRCReturn(rc, rc);
350
351	if (ShaderConst.fValid)
352	{
353	rc = vmsvga3dShaderSetConst(pThisCC, cid, j, SVGA3D_SHADERTYPE_PS, ShaderConst.ctype, 1, ShaderConst.value);
354	AssertRCReturn(rc, rc);
355	}
356	}
357
358	/* Fetch vertex shader constants. */
359	for (uint32_t j = 0; j < cVertexShaderConst; j++)
360	{
361	VMSVGASHADERCONST ShaderConst;
362
363	rc = pHlp->pfnSSMGetStructEx(pSSM, &ShaderConst, sizeof(ShaderConst), 0, g_aVMSVGASHADERCONSTFields, NULL);
364	AssertRCReturn(rc, rc);
365
366	if (ShaderConst.fValid)
367	{
368	rc = vmsvga3dShaderSetConst(pThisCC, cid, j, SVGA3D_SHADERTYPE_VS, ShaderConst.ctype, 1, ShaderConst.value);
369	AssertRCReturn(rc, rc);
370	}
371	}
372
373	if (uVersion >= VGA_SAVEDSTATE_VERSION_VMSVGA_TEX_STAGES)
374	{
375	/* Load texture stage and samplers state. */
376
377	/* Number of stages/samplers. */
378	uint32_t cStages;
379	rc = pHlp->pfnSSMGetU32(pSSM, &cStages);
380	AssertRCReturn(rc, rc);
381
382	/* Number of states. */
383	uint32_t cTextureStates;
384	rc = pHlp->pfnSSMGetU32(pSSM, &cTextureStates);
385	AssertRCReturn(rc, rc);
386
387	for (uint32_t iStage = 0; iStage < cStages; ++iStage)
388	{
389	for (uint32_t j = 0; j < cTextureStates; ++j)
390	{
391	SVGA3dTextureState textureState;
392	pHlp->pfnSSMGetU32(pSSM, &textureState.stage);
393	uint32_t u32Name;
394	pHlp->pfnSSMGetU32(pSSM, &u32Name);
395	textureState.name = (SVGA3dTextureStateName)u32Name;
396	rc = pHlp->pfnSSMGetU32(pSSM, &textureState.value);
397	AssertRCReturn(rc, rc);
398
399	if ( iStage < RT_ELEMENTS(pContext->state.aTextureStates)
400	&& j < RT_ELEMENTS(pContext->state.aTextureStates[0]))
401	{
402	pContext->state.aTextureStates[iStage][j] = textureState;
403	}
404	}
405	}
406	}
407
408	if (uVersion >= VGA_SAVEDSTATE_VERSION_VMSVGA)
409	{
410	VMSVGA3DQUERY query;
411	RT_ZERO(query);
412
413	rc = pHlp->pfnSSMGetStructEx(pSSM, &query, sizeof(query), 0, g_aVMSVGA3DQUERYFields, NULL);
414	AssertRCReturn(rc, rc);
415
416	switch (query.enmQueryState)
417	{
418	case VMSVGA3DQUERYSTATE_BUILDING:
419	/* Start collecting data. */
420	vmsvga3dQueryBegin(pThisCC, cid, SVGA3D_QUERYTYPE_OCCLUSION);
421	/* Partial result. */
422	pContext->occlusion.u32QueryResult = query.u32QueryResult;
423	break;
424
425	case VMSVGA3DQUERYSTATE_ISSUED:
426	/* Guest ended the query but did not read result. Result is restored. */
427	query.enmQueryState = VMSVGA3DQUERYSTATE_SIGNALED;
428	RT_FALL_THRU();
429	case VMSVGA3DQUERYSTATE_SIGNALED:
430	/* Create the query object. */
431	vmsvga3dQueryCreate(pThisCC, cid, SVGA3D_QUERYTYPE_OCCLUSION);
432
433	/* Update result and state. */
434	pContext->occlusion.enmQueryState = query.enmQueryState;
435	pContext->occlusion.u32QueryResult = query.u32QueryResult;
436	break;
437
438	default:
439	AssertFailed();
440	RT_FALL_THRU();
441	case VMSVGA3DQUERYSTATE_NULL:
442	RT_ZERO(pContext->occlusion);
443	break;
444	}
445	}
446	}
447	}
448
449	#ifdef VMSVGA3D_OPENGL
450	/* Make the shared context the current one. */
451	if (pState->SharedCtx.id == VMSVGA3D_SHARED_CTX_ID)
452	VMSVGA3D_SET_CURRENT_CONTEXT(pState, &pState->SharedCtx);
453	#endif
454
455	/* Fetch all surfaces. */
456	for (uint32_t i = 0; i < cSurfaces; i++)
457	{
458	uint32_t sid;
459
460	/* Fetch the id first. */
461	rc = pHlp->pfnSSMGetU32(pSSM, &sid);
462	AssertRCReturn(rc, rc);
463
464	if (sid != SVGA3D_INVALID_ID)
465	{
466	VMSVGA3DSURFACE surface;
467	LogFlow(("vmsvga3dLoadExec: Loading sid=%#x\n", sid));
468
469	/* Fetch the surface structure first. */
470	if (RT_LIKELY(uVersion >= VGA_SAVEDSTATE_VERSION_VMSVGA_MIPLEVELS))
471	rc = pHlp->pfnSSMGetStructEx(pSSM, &surface, sizeof(surface), 0, g_aVMSVGA3DSURFACEFields, NULL);
472	else
473	rc = vmsvga3dLoadVMSVGA3DSURFACEPreMipLevels(pDevIns, pSSM, &surface);
474	AssertRCReturn(rc, rc);
475
476	{
477	uint32_t cMipLevels = surface.cLevels * surface.cFaces;
478	PVMSVGA3DMIPMAPLEVEL pMipmapLevel = (PVMSVGA3DMIPMAPLEVEL)RTMemAlloc(cMipLevels * sizeof(VMSVGA3DMIPMAPLEVEL));
479	AssertReturn(pMipmapLevel, VERR_NO_MEMORY);
480	SVGA3dSize pMipmapLevelSize = (SVGA3dSize )RTMemAlloc(cMipLevels * sizeof(SVGA3dSize));
481	AssertReturn(pMipmapLevelSize, VERR_NO_MEMORY);
482
483	/* Load the mip map level info. */
484	for (uint32_t face=0; face < surface.cFaces; face++)
485	{
486	for (uint32_t j = 0; j < surface.cLevels; j++)
487	{
488	uint32_t idx = j + face * surface.cLevels;
489	/* Load the mip map level struct. */
490	rc = pHlp->pfnSSMGetStructEx(pSSM, &pMipmapLevel[idx], sizeof(pMipmapLevel[idx]), 0,
491	g_aVMSVGA3DMIPMAPLEVELFields, NULL);
492	AssertRCReturn(rc, rc);
493
494	pMipmapLevelSize[idx] = pMipmapLevel[idx].mipmapSize;
495	}
496	}
497
498	rc = vmsvga3dSurfaceDefine(pThisCC, sid, surface.surfaceFlags, surface.format, surface.multiSampleCount,
499	surface.autogenFilter, surface.cLevels, &pMipmapLevelSize[0], /* fAllocMipLevels = */ true);
500	AssertRCReturn(rc, rc);
501
502	RTMemFree(pMipmapLevelSize);
503	RTMemFree(pMipmapLevel);
504	}
505
506	PVMSVGA3DSURFACE pSurface = pState->papSurfaces[sid];
507	Assert(pSurface->id == sid);
508
509	pSurface->fDirty = false;
510
511	/* Load the mip map level data. */
512	for (uint32_t j = 0; j < pSurface->cLevels * pSurface->cFaces; j++)
513	{
514	PVMSVGA3DMIPMAPLEVEL pMipmapLevel = &pSurface->paMipmapLevels[j];
515	bool fDataPresent = false;
516
517	/* vmsvga3dSurfaceDefine already allocated the surface data buffer. */
518	Assert(pMipmapLevel->cbSurface);
519	AssertReturn(pMipmapLevel->pSurfaceData, VERR_INTERNAL_ERROR);
520
521	/* Fetch the data present boolean first. */
522	rc = pHlp->pfnSSMGetBool(pSSM, &fDataPresent);
523	AssertRCReturn(rc, rc);
524
525	Log(("Surface sid=%u: load mipmap level %d with %x bytes data (present=%d).\n", sid, j, pMipmapLevel->cbSurface, fDataPresent));
526
527	if (fDataPresent)
528	{
529	rc = pHlp->pfnSSMGetMem(pSSM, pMipmapLevel->pSurfaceData, pMipmapLevel->cbSurface);
530	AssertRCReturn(rc, rc);
531	pMipmapLevel->fDirty = true;
532	pSurface->fDirty = true;
533	}
534	else
535	{
536	pMipmapLevel->fDirty = false;
537	}
538	}
539	}
540	}
541
542	#ifdef VMSVGA3D_OPENGL
543	/* Reinitialize the shared context. */
544	LogFlow(("vmsvga3dLoadExec: pState->SharedCtx.id=%#x\n", pState->SharedCtx.id));
545	if (pState->SharedCtx.id == VMSVGA3D_SHARED_CTX_ID)
546	{
547	rc = vmsvga3dLoadReinitContext(pThisCC, &pState->SharedCtx);
548	AssertRCReturn(rc, rc);
549	}
550	#endif
551
552	/* Reinitialize all active contexts. */
553	for (uint32_t i = 0; i < pState->cContexts; i++)
554	{
555	PVMSVGA3DCONTEXT pContext = pState->papContexts[i];
556	if (pContext->id != SVGA3D_INVALID_ID)
557	{
558	rc = vmsvga3dLoadReinitContext(pThisCC, pContext);
559	AssertRCReturn(rc, rc);
560	}
561	}
562
563	LogFlow(("vmsvga3dLoadExec: return success\n"));
564	return VINF_SUCCESS;
565	}
566
567
568	static int vmsvga3dSaveContext(PCPDMDEVHLPR3 pHlp, PVGASTATECC pThisCC, PSSMHANDLE pSSM, PVMSVGA3DCONTEXT pContext)
569	{
570	uint32_t cid = pContext->id;
571
572	/* Save the id first. */
573	int rc = pHlp->pfnSSMPutU32(pSSM, cid);
574	AssertRCReturn(rc, rc);
575
576	if (cid != SVGA3D_INVALID_ID)
577	{
578	/* Save a copy of the context structure first. */
579	rc = pHlp->pfnSSMPutStructEx(pSSM, pContext, sizeof(*pContext), 0, g_aVMSVGA3DCONTEXTFields, NULL);
580	AssertRCReturn(rc, rc);
581
582	/* Save all pixel shaders. */
583	for (uint32_t j = 0; j < pContext->cPixelShaders; j++)
584	{
585	PVMSVGA3DSHADER pShader = &pContext->paPixelShader[j];
586
587	/* Save the id first. */
588	rc = pHlp->pfnSSMPutU32(pSSM, pShader->id);
589	AssertRCReturn(rc, rc);
590
591	if (pShader->id != SVGA3D_INVALID_ID)
592	{
593	uint32_t cbData = pShader->cbData;
594
595	/* Save a copy of the shader struct. */
596	rc = pHlp->pfnSSMPutStructEx(pSSM, pShader, sizeof(*pShader), 0, g_aVMSVGA3DSHADERFields, NULL);
597	AssertRCReturn(rc, rc);
598
599	Log(("Save pixelshader shid=%d with %x bytes code.\n", pShader->id, cbData));
600	rc = pHlp->pfnSSMPutMem(pSSM, pShader->pShaderProgram, cbData);
601	AssertRCReturn(rc, rc);
602	}
603	}
604
605	/* Save all vertex shaders. */
606	for (uint32_t j = 0; j < pContext->cVertexShaders; j++)
607	{
608	PVMSVGA3DSHADER pShader = &pContext->paVertexShader[j];
609
610	/* Save the id first. */
611	rc = pHlp->pfnSSMPutU32(pSSM, pShader->id);
612	AssertRCReturn(rc, rc);
613
614	if (pShader->id != SVGA3D_INVALID_ID)
615	{
616	uint32_t cbData = pShader->cbData;
617
618	/* Save a copy of the shader struct. */
619	rc = pHlp->pfnSSMPutStructEx(pSSM, pShader, sizeof(*pShader), 0, g_aVMSVGA3DSHADERFields, NULL);
620	AssertRCReturn(rc, rc);
621
622	Log(("Save vertex shader shid=%d with %x bytes code.\n", pShader->id, cbData));
623	/* Fetch the shader code and save it. */
624	rc = pHlp->pfnSSMPutMem(pSSM, pShader->pShaderProgram, cbData);
625	AssertRCReturn(rc, rc);
626	}
627	}
628
629	/* Save pixel shader constants. */
630	for (uint32_t j = 0; j < pContext->state.cPixelShaderConst; j++)
631	{
632	rc = pHlp->pfnSSMPutStructEx(pSSM, &pContext->state.paPixelShaderConst[j], sizeof(pContext->state.paPixelShaderConst[j]), 0, g_aVMSVGASHADERCONSTFields, NULL);
633	AssertRCReturn(rc, rc);
634	}
635
636	/* Save vertex shader constants. */
637	for (uint32_t j = 0; j < pContext->state.cVertexShaderConst; j++)
638	{
639	rc = pHlp->pfnSSMPutStructEx(pSSM, &pContext->state.paVertexShaderConst[j], sizeof(pContext->state.paVertexShaderConst[j]), 0, g_aVMSVGASHADERCONSTFields, NULL);
640	AssertRCReturn(rc, rc);
641	}
642
643	/* Save texture stage and samplers state. */
644
645	/* Number of stages/samplers. */
646	rc = pHlp->pfnSSMPutU32(pSSM, RT_ELEMENTS(pContext->state.aTextureStates));
647	AssertRCReturn(rc, rc);
648
649	/* Number of texture states. */
650	rc = pHlp->pfnSSMPutU32(pSSM, RT_ELEMENTS(pContext->state.aTextureStates[0]));
651	AssertRCReturn(rc, rc);
652
653	for (uint32_t iStage = 0; iStage < RT_ELEMENTS(pContext->state.aTextureStates); ++iStage)
654	{
655	for (uint32_t j = 0; j < RT_ELEMENTS(pContext->state.aTextureStates[0]); ++j)
656	{
657	SVGA3dTextureState *pTextureState = &pContext->state.aTextureStates[iStage][j];
658
659	pHlp->pfnSSMPutU32(pSSM, pTextureState->stage);
660	pHlp->pfnSSMPutU32(pSSM, pTextureState->name);
661	rc = pHlp->pfnSSMPutU32(pSSM, pTextureState->value);
662	AssertRCReturn(rc, rc);
663	}
664	}
665
666	/* Occlusion query. */
667	if (!VMSVGA3DQUERY_EXISTS(&pContext->occlusion))
668	{
669	pContext->occlusion.enmQueryState = VMSVGA3DQUERYSTATE_NULL;
670	}
671
672	/* Save the current query state, because code below can change it. */
673	VMSVGA3DQUERYSTATE const enmQueryState = pContext->occlusion.enmQueryState;
674	switch (enmQueryState)
675	{
676	case VMSVGA3DQUERYSTATE_BUILDING:
677	/* Stop collecting data. Fetch partial result. Save result. */
678	vmsvga3dQueryEnd(pThisCC, cid, SVGA3D_QUERYTYPE_OCCLUSION);
679	RT_FALL_THRU();
680	case VMSVGA3DQUERYSTATE_ISSUED:
681	/* Fetch result. Save result. */
682	pContext->occlusion.u32QueryResult = 0;
683	vmsvga3dQueryWait(pThisCC, cid, SVGA3D_QUERYTYPE_OCCLUSION, NULL, NULL);
684	RT_FALL_THRU();
685	case VMSVGA3DQUERYSTATE_SIGNALED:
686	/* Save result. Nothing to do here. */
687	break;
688
689	default:
690	AssertFailed();
691	RT_FALL_THRU();
692	case VMSVGA3DQUERYSTATE_NULL:
693	pContext->occlusion.enmQueryState = VMSVGA3DQUERYSTATE_NULL;
694	pContext->occlusion.u32QueryResult = 0;
695	break;
696	}
697
698	/* Restore the current actual state. */
699	pContext->occlusion.enmQueryState = enmQueryState;
700
701	rc = pHlp->pfnSSMPutStructEx(pSSM, &pContext->occlusion, sizeof(pContext->occlusion), 0, g_aVMSVGA3DQUERYFields, NULL);
702	AssertRCReturn(rc, rc);
703	}
704
705	return VINF_SUCCESS;
706	}
707
708	int vmsvga3dSaveExec(PPDMDEVINS pDevIns, PVGASTATECC pThisCC, PSSMHANDLE pSSM)
709	{
710	PVMSVGA3DSTATE pState = pThisCC->svga.p3dState;
711	AssertReturn(pState, VERR_NO_MEMORY);
712	PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3;
713	int rc;
714
715	/* Save a copy of the generic 3d state first. */
716	rc = pHlp->pfnSSMPutStructEx(pSSM, pState, sizeof(*pState), 0, g_aVMSVGA3DSTATEFields, NULL);
717	AssertRCReturn(rc, rc);
718
719	#ifdef VMSVGA3D_OPENGL
720	/* Save the shared context. */
721	if (pState->SharedCtx.id == VMSVGA3D_SHARED_CTX_ID)
722	{
723	rc = vmsvga3dSaveContext(pHlp, pThisCC, pSSM, &pState->SharedCtx);
724	AssertRCReturn(rc, rc);
725	}
726	#endif
727
728	/* Save all active contexts. */
729	for (uint32_t i = 0; i < pState->cContexts; i++)
730	{
731	rc = vmsvga3dSaveContext(pHlp, pThisCC, pSSM, pState->papContexts[i]);
732	AssertRCReturn(rc, rc);
733	}
734
735	/* Save all active surfaces. */
736	for (uint32_t sid = 0; sid < pState->cSurfaces; sid++)
737	{
738	PVMSVGA3DSURFACE pSurface = pState->papSurfaces[sid];
739
740	/* Save the id first. */
741	rc = pHlp->pfnSSMPutU32(pSSM, pSurface->id);
742	AssertRCReturn(rc, rc);
743
744	if (pSurface->id != SVGA3D_INVALID_ID)
745	{
746	/* Save a copy of the surface structure first. */
747	rc = pHlp->pfnSSMPutStructEx(pSSM, pSurface, sizeof(*pSurface), 0, g_aVMSVGA3DSURFACEFields, NULL);
748	AssertRCReturn(rc, rc);
749
750	/* Save the mip map level info. */
751	for (uint32_t face=0; face < pSurface->cFaces; face++)
752	{
753	for (uint32_t i = 0; i < pSurface->cLevels; i++)
754	{
755	uint32_t idx = i + face * pSurface->cLevels;
756	PVMSVGA3DMIPMAPLEVEL pMipmapLevel = &pSurface->paMipmapLevels[idx];
757
758	/* Save a copy of the mip map level struct. */
759	rc = pHlp->pfnSSMPutStructEx(pSSM, pMipmapLevel, sizeof(*pMipmapLevel), 0, g_aVMSVGA3DMIPMAPLEVELFields, NULL);
760	AssertRCReturn(rc, rc);
761	}
762	}
763
764	/* Save the mip map level data. */
765	for (uint32_t face=0; face < pSurface->cFaces; face++)
766	{
767	for (uint32_t i = 0; i < pSurface->cLevels; i++)
768	{
769	uint32_t idx = i + face * pSurface->cLevels;
770	PVMSVGA3DMIPMAPLEVEL pMipmapLevel = &pSurface->paMipmapLevels[idx];
771
772	Log(("Surface sid=%u: save mipmap level %d with %x bytes data.\n", sid, i, pMipmapLevel->cbSurface));
773
774	if (!VMSVGA3DSURFACE_HAS_HW_SURFACE(pSurface))
775	{
776	if (pMipmapLevel->fDirty)
777	{
778	/* Data follows */
779	rc = pHlp->pfnSSMPutBool(pSSM, true);
780	AssertRCReturn(rc, rc);
781
782	Assert(pMipmapLevel->cbSurface);
783	rc = pHlp->pfnSSMPutMem(pSSM, pMipmapLevel->pSurfaceData, pMipmapLevel->cbSurface);
784	AssertRCReturn(rc, rc);
785	}
786	else
787	{
788	/* No data follows */
789	rc = pHlp->pfnSSMPutBool(pSSM, false);
790	AssertRCReturn(rc, rc);
791	}
792	}
793	else if (vmsvga3dIsLegacyBackend(pThisCC))
794	{
795	#ifdef VMSVGA3D_DIRECT3D
796	void *pData;
797	bool fRenderTargetTexture = false;
798	bool fTexture = false;
799	bool fSkipSave = false;
800	HRESULT hr;
801
802	Assert(pMipmapLevel->cbSurface);
803	pData = RTMemAllocZ(pMipmapLevel->cbSurface);
804	AssertReturn(pData, VERR_NO_MEMORY);
805
806	switch (pSurface->enmD3DResType)
807	{
808	case VMSVGA3D_D3DRESTYPE_CUBE_TEXTURE:
809	case VMSVGA3D_D3DRESTYPE_VOLUME_TEXTURE:
810	AssertFailed(); /// @todo
811	fSkipSave = true;
812	break;
813	case VMSVGA3D_D3DRESTYPE_SURFACE:
814	case VMSVGA3D_D3DRESTYPE_TEXTURE:
815	{
816	if (pSurface->surfaceFlags & SVGA3D_SURFACE_HINT_DEPTHSTENCIL)
817	{
818	/** @todo unable to easily fetch depth surface data in d3d 9 */
819	fSkipSave = true;
820	break;
821	}
822
823	fTexture = (pSurface->enmD3DResType == VMSVGA3D_D3DRESTYPE_TEXTURE);
824	fRenderTargetTexture = fTexture && (pSurface->surfaceFlags & SVGA3D_SURFACE_HINT_RENDERTARGET);
825
826	D3DLOCKED_RECT LockedRect;
827
828	if (fTexture)
829	{
830	if (pSurface->bounce.pTexture)
831	{
832	if ( !pSurface->fDirty
833	&& fRenderTargetTexture
834	&& i == 0 /* only the first time */)
835	{
836	IDirect3DSurface9 pSrc, pDest;
837
838	/** @todo stricter checks for associated context */
839	uint32_t cid = pSurface->idAssociatedContext;
840
841	PVMSVGA3DCONTEXT pContext;
842	rc = vmsvga3dContextFromCid(pState, cid, &pContext);
843	AssertRCReturn(rc, rc);
844
845	hr = pSurface->bounce.pTexture->GetSurfaceLevel(i, &pDest);
846	AssertMsgReturn(hr == D3D_OK, ("vmsvga3dSaveExec: GetSurfaceLevel failed with %x\n", hr), VERR_INTERNAL_ERROR);
847
848	hr = pSurface->u.pTexture->GetSurfaceLevel(i, &pSrc);
849	AssertMsgReturn(hr == D3D_OK, ("vmsvga3dSaveExec: GetSurfaceLevel failed with %x\n", hr), VERR_INTERNAL_ERROR);
850
851	hr = pContext->pDevice->GetRenderTargetData(pSrc, pDest);
852	AssertMsgReturn(hr == D3D_OK, ("vmsvga3dSaveExec: GetRenderTargetData failed with %x\n", hr), VERR_INTERNAL_ERROR);
853
854	pSrc->Release();
855	pDest->Release();
856	}
857
858	hr = pSurface->bounce.pTexture->LockRect(i, /* texture level */
859	&LockedRect,
860	NULL,
861	D3DLOCK_READONLY);
862	}
863	else
864	hr = pSurface->u.pTexture->LockRect(i, /* texture level */
865	&LockedRect,
866	NULL,
867	D3DLOCK_READONLY);
868	}
869	else
870	hr = pSurface->u.pSurface->LockRect(&LockedRect,
871	NULL,
872	D3DLOCK_READONLY);
873	AssertMsgReturn(hr == D3D_OK, ("vmsvga3dSaveExec: LockRect failed with %x\n", hr), VERR_INTERNAL_ERROR);
874
875	/* Copy the data one line at a time in case the internal pitch is different. */
876	for (uint32_t j = 0; j < pMipmapLevel->cBlocksY; ++j)
877	{
878	uint8_t pu8Dst = (uint8_t )pData + j * pMipmapLevel->cbSurfacePitch;
879	const uint8_t pu8Src = (uint8_t )LockedRect.pBits + j * LockedRect.Pitch;
880	memcpy(pu8Dst, pu8Src, pMipmapLevel->cbSurfacePitch);
881	}
882
883	if (fTexture)
884	{
885	if (pSurface->bounce.pTexture)
886	{
887	hr = pSurface->bounce.pTexture->UnlockRect(i);
888	AssertMsgReturn(hr == D3D_OK, ("vmsvga3dSaveExec: UnlockRect failed with %x\n", hr), VERR_INTERNAL_ERROR);
889	}
890	else
891	hr = pSurface->u.pTexture->UnlockRect(i);
892	}
893	else
894	hr = pSurface->u.pSurface->UnlockRect();
895	AssertMsgReturn(hr == D3D_OK, ("vmsvga3dSaveExec: UnlockRect failed with %x\n", hr), VERR_INTERNAL_ERROR);
896	break;
897	}
898
899	case VMSVGA3D_D3DRESTYPE_VERTEX_BUFFER:
900	case VMSVGA3D_D3DRESTYPE_INDEX_BUFFER:
901	{
902	/* Current type of the buffer. */
903	const bool fVertex = (pSurface->enmD3DResType == VMSVGA3D_D3DRESTYPE_VERTEX_BUFFER);
904
905	uint8_t *pD3DData;
906
907	if (fVertex)
908	hr = pSurface->u.pVertexBuffer->Lock(0, 0, (void **)&pD3DData, D3DLOCK_READONLY);
909	else
910	hr = pSurface->u.pIndexBuffer->Lock(0, 0, (void **)&pD3DData, D3DLOCK_READONLY);
911	AssertMsg(hr == D3D_OK, ("vmsvga3dSaveExec: Lock %s failed with %x\n", (fVertex) ? "vertex" : "index", hr));
912
913	memcpy(pData, pD3DData, pMipmapLevel->cbSurface);
914
915	if (fVertex)
916	hr = pSurface->u.pVertexBuffer->Unlock();
917	else
918	hr = pSurface->u.pIndexBuffer->Unlock();
919	AssertMsg(hr == D3D_OK, ("vmsvga3dSaveExec: Unlock %s failed with %x\n", (fVertex) ? "vertex" : "index", hr));
920	break;
921	}
922
923	default:
924	AssertFailed();
925	break;
926	}
927
928	if (!fSkipSave)
929	{
930	/* Data follows */
931	rc = pHlp->pfnSSMPutBool(pSSM, true);
932	AssertRCReturn(rc, rc);
933
934	/* And write the surface data. */
935	rc = pHlp->pfnSSMPutMem(pSSM, pData, pMipmapLevel->cbSurface);
936	AssertRCReturn(rc, rc);
937	}
938	else
939	{
940	/* No data follows */
941	rc = pHlp->pfnSSMPutBool(pSSM, false);
942	AssertRCReturn(rc, rc);
943	}
944
945	RTMemFree(pData);
946
947	#elif defined(VMSVGA3D_OPENGL)
948	void *pData = NULL;
949
950	PVMSVGA3DCONTEXT pContext = &pState->SharedCtx;
951	VMSVGA3D_SET_CURRENT_CONTEXT(pState, pContext);
952
953	Assert(pMipmapLevel->cbSurface);
954
955	switch (pSurface->enmOGLResType)
956	{
957	default:
958	AssertFailed();
959	RT_FALL_THRU();
960	case VMSVGA3D_OGLRESTYPE_RENDERBUFFER:
961	/** @todo fetch data from the renderbuffer. Not used currently. */
962	/* No data follows */
963	rc = pHlp->pfnSSMPutBool(pSSM, false);
964	AssertRCReturn(rc, rc);
965	break;
966
967	case VMSVGA3D_OGLRESTYPE_TEXTURE:
968	{
969	GLint activeTexture;
970
971	pData = RTMemAllocZ(pMipmapLevel->cbSurface);
972	AssertReturn(pData, VERR_NO_MEMORY);
973
974	glGetIntegerv(GL_TEXTURE_BINDING_2D, &activeTexture);
975	VMSVGA3D_CHECK_LAST_ERROR_WARN(pState, pContext);
976
977	glBindTexture(GL_TEXTURE_2D, pSurface->oglId.texture);
978	VMSVGA3D_CHECK_LAST_ERROR_WARN(pState, pContext);
979
980	/* Set row length and alignment of the output data. */
981	VMSVGAPACKPARAMS SavedParams;
982	vmsvga3dOglSetPackParams(pState, pContext, pSurface, &SavedParams);
983
984	glGetTexImage(GL_TEXTURE_2D,
985	i,
986	pSurface->formatGL,
987	pSurface->typeGL,
988	pData);
989	VMSVGA3D_CHECK_LAST_ERROR_WARN(pState, pContext);
990
991	vmsvga3dOglRestorePackParams(pState, pContext, pSurface, &SavedParams);
992
993	/* Data follows */
994	rc = pHlp->pfnSSMPutBool(pSSM, true);
995	AssertRCReturn(rc, rc);
996
997	/* And write the surface data. */
998	rc = pHlp->pfnSSMPutMem(pSSM, pData, pMipmapLevel->cbSurface);
999	AssertRCReturn(rc, rc);
1000
1001	/* Restore the old active texture. */
1002	glBindTexture(GL_TEXTURE_2D, activeTexture);
1003	VMSVGA3D_CHECK_LAST_ERROR_WARN(pState, pContext);
1004	break;
1005	}
1006
1007	case VMSVGA3D_OGLRESTYPE_BUFFER:
1008	{
1009	uint8_t *pBufferData;
1010
1011	pState->ext.glBindBuffer(GL_ARRAY_BUFFER, pSurface->oglId.buffer);
1012	VMSVGA3D_CHECK_LAST_ERROR(pState, pContext);
1013
1014	pBufferData = (uint8_t *)pState->ext.glMapBuffer(GL_ARRAY_BUFFER, GL_READ_ONLY);
1015	VMSVGA3D_CHECK_LAST_ERROR(pState, pContext);
1016	Assert(pBufferData);
1017
1018	/* Data follows */
1019	rc = pHlp->pfnSSMPutBool(pSSM, true);
1020	AssertRCReturn(rc, rc);
1021
1022	/* And write the surface data. */
1023	rc = pHlp->pfnSSMPutMem(pSSM, pBufferData, pMipmapLevel->cbSurface);
1024	AssertRCReturn(rc, rc);
1025
1026	pState->ext.glUnmapBuffer(GL_ARRAY_BUFFER);
1027	VMSVGA3D_CHECK_LAST_ERROR(pState, pContext);
1028
1029	pState->ext.glBindBuffer(GL_ARRAY_BUFFER, 0);
1030	VMSVGA3D_CHECK_LAST_ERROR(pState, pContext);
1031
1032	}
1033	}
1034	if (pData)
1035	RTMemFree(pData);
1036	#else
1037	#error "Unexpected 3d backend"
1038	#endif
1039	}
1040	else
1041	{
1042	/** @todo DX backend. */
1043	Assert(!vmsvga3dIsLegacyBackend(pThisCC));
1044
1045	/* No data follows */
1046	rc = pHlp->pfnSSMPutBool(pSSM, false);
1047	AssertRCReturn(rc, rc);
1048	}
1049	}
1050	}
1051	}
1052	}
1053	return VINF_SUCCESS;
1054	}
1055
1056	int vmsvga3dSaveShaderConst(PVMSVGA3DCONTEXT pContext, uint32_t reg, SVGA3dShaderType type, SVGA3dShaderConstType ctype,
1057	uint32_t val1, uint32_t val2, uint32_t val3, uint32_t val4)
1058	{
1059	/* Choose a sane upper limit. */
1060	AssertReturn(reg < _32K, VERR_INVALID_PARAMETER);
1061
1062	if (type == SVGA3D_SHADERTYPE_VS)
1063	{
1064	if (pContext->state.cVertexShaderConst <= reg)
1065	{
1066	pContext->state.paVertexShaderConst = (PVMSVGASHADERCONST)RTMemRealloc(pContext->state.paVertexShaderConst, sizeof(VMSVGASHADERCONST) * (reg + 1));
1067	AssertReturn(pContext->state.paVertexShaderConst, VERR_NO_MEMORY);
1068	for (uint32_t i = pContext->state.cVertexShaderConst; i < reg + 1; i++)
1069	pContext->state.paVertexShaderConst[i].fValid = false;
1070	pContext->state.cVertexShaderConst = reg + 1;
1071	}
1072
1073	pContext->state.paVertexShaderConst[reg].fValid = true;
1074	pContext->state.paVertexShaderConst[reg].ctype = ctype;
1075	pContext->state.paVertexShaderConst[reg].value[0] = val1;
1076	pContext->state.paVertexShaderConst[reg].value[1] = val2;
1077	pContext->state.paVertexShaderConst[reg].value[2] = val3;
1078	pContext->state.paVertexShaderConst[reg].value[3] = val4;
1079	}
1080	else
1081	{
1082	Assert(type == SVGA3D_SHADERTYPE_PS);
1083	if (pContext->state.cPixelShaderConst <= reg)
1084	{
1085	pContext->state.paPixelShaderConst = (PVMSVGASHADERCONST)RTMemRealloc(pContext->state.paPixelShaderConst, sizeof(VMSVGASHADERCONST) * (reg + 1));
1086	AssertReturn(pContext->state.paPixelShaderConst, VERR_NO_MEMORY);
1087	for (uint32_t i = pContext->state.cPixelShaderConst; i < reg + 1; i++)
1088	pContext->state.paPixelShaderConst[i].fValid = false;
1089	pContext->state.cPixelShaderConst = reg + 1;
1090	}
1091
1092	pContext->state.paPixelShaderConst[reg].fValid = true;
1093	pContext->state.paPixelShaderConst[reg].ctype = ctype;
1094	pContext->state.paPixelShaderConst[reg].value[0] = val1;
1095	pContext->state.paPixelShaderConst[reg].value[1] = val2;
1096	pContext->state.paPixelShaderConst[reg].value[2] = val3;
1097	pContext->state.paPixelShaderConst[reg].value[3] = val4;
1098	}
1099
1100	return VINF_SUCCESS;
1101	}
1102

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source: vbox/trunk/src/VBox/Devices/Graphics/DevVGA-SVGA3d-savedstate.cpp@ 93115

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