DevVGA-SVGA3d.cpp@ 80957

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1	/* $Id: DevVGA-SVGA3d.cpp 76553 2019-01-01 01:45:53Z vboxsync $ */
2	/** @file
3	* DevSVGA3d - VMWare SVGA device, 3D parts - Common core code.
4	*/
5
6	/*
7	* Copyright (C) 2013-2019 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	* Implements the SVGA_3D_CMD_SURFACE_DEFINE_V2 and SVGA_3D_CMD_SURFACE_DEFINE
45	* commands (fifo).
46	*
47	* @returns VBox status code (currently ignored).
48	* @param pThis The VGA device instance data.
49	* @param sid The ID of the surface to (re-)define.
50	* @param surfaceFlags .
51	* @param format .
52	* @param face .
53	* @param multisampleCount .
54	* @param autogenFilter .
55	* @param cMipLevels .
56	* @param paMipLevelSizes .
57	*/
58	int vmsvga3dSurfaceDefine(PVGASTATE pThis, uint32_t sid, uint32_t surfaceFlags, SVGA3dSurfaceFormat format,
59	SVGA3dSurfaceFace face[SVGA3D_MAX_SURFACE_FACES], uint32_t multisampleCount,
60	SVGA3dTextureFilter autogenFilter, uint32_t cMipLevels, SVGA3dSize *paMipLevelSizes)
61	{
62	PVMSVGA3DSURFACE pSurface;
63	PVMSVGA3DSTATE pState = pThis->svga.p3dState;
64	AssertReturn(pState, VERR_NO_MEMORY);
65
66	Log(("vmsvga3dSurfaceDefine: sid=%x surfaceFlags=%x format=%s (%x) multiSampleCount=%d autogenFilter=%d, cMipLevels=%d size=(%d,%d,%d)\n",
67	sid, surfaceFlags, vmsvgaLookupEnum((int)format, &g_SVGA3dSurfaceFormat2String), format, multisampleCount, autogenFilter,
68	cMipLevels, paMipLevelSizes->width, paMipLevelSizes->height, paMipLevelSizes->depth));
69
70	AssertReturn(sid < SVGA3D_MAX_SURFACE_IDS, VERR_INVALID_PARAMETER);
71	AssertReturn(cMipLevels >= 1, VERR_INVALID_PARAMETER);
72
73	/* Number of faces (cFaces) is specified as the number of the first non-zero elements in the 'face' array.
74	* Since only plain surfaces (cFaces == 1) and cubemaps (cFaces == 6) are supported
75	* (see also SVGA3dCmdDefineSurface definition in svga3d_reg.h), we ignore anything else.
76	*/
77	uint32_t cRemainingMipLevels = cMipLevels;
78	uint32_t cFaces = 0;
79	for (uint32_t i = 0; i < SVGA3D_MAX_SURFACE_FACES; ++i)
80	{
81	if (face[i].numMipLevels == 0)
82	break;
83
84	/* All SVGA3dSurfaceFace structures must have the same value of numMipLevels field */
85	AssertReturn(face[i].numMipLevels == face[0].numMipLevels, VERR_INVALID_PARAMETER);
86
87	/* numMipLevels value can't be greater than the number of remaining elements in the paMipLevelSizes array. */
88	AssertReturn(face[i].numMipLevels <= cRemainingMipLevels, VERR_INVALID_PARAMETER);
89	cRemainingMipLevels -= face[i].numMipLevels;
90
91	++cFaces;
92	}
93	for (uint32_t i = cFaces; i < SVGA3D_MAX_SURFACE_FACES; ++i)
94	AssertReturn(face[i].numMipLevels == 0, VERR_INVALID_PARAMETER);
95
96	/* cFaces must be 6 for a cubemap and 1 otherwise. */
97	AssertReturn(cFaces == (uint32_t)((surfaceFlags & SVGA3D_SURFACE_CUBEMAP) ? 6 : 1), VERR_INVALID_PARAMETER);
98
99	/* Sum of face[i].numMipLevels must be equal to cMipLevels. */
100	AssertReturn(cRemainingMipLevels == 0, VERR_INVALID_PARAMETER);
101
102	if (sid >= pState->cSurfaces)
103	{
104	/* Grow the array. */
105	uint32_t cNew = RT_ALIGN(sid + 15, 16);
106	void pvNew = RTMemRealloc(pState->papSurfaces, sizeof(pState->papSurfaces[0]) cNew);
107	AssertReturn(pvNew, VERR_NO_MEMORY);
108	pState->papSurfaces = (PVMSVGA3DSURFACE *)pvNew;
109	while (pState->cSurfaces < cNew)
110	{
111	pSurface = (PVMSVGA3DSURFACE)RTMemAllocZ(sizeof(*pSurface));
112	AssertReturn(pSurface, VERR_NO_MEMORY);
113	pSurface->id = SVGA3D_INVALID_ID;
114	pState->papSurfaces[pState->cSurfaces++] = pSurface;
115	}
116	}
117	pSurface = pState->papSurfaces[sid];
118
119	/* If one already exists with this id, then destroy it now. */
120	if (pSurface->id != SVGA3D_INVALID_ID)
121	vmsvga3dSurfaceDestroy(pThis, sid);
122
123	RT_ZERO(*pSurface);
124	pSurface->id = sid;
125	#ifdef VMSVGA3D_OPENGL
126	pSurface->idWeakContextAssociation = SVGA3D_INVALID_ID;
127	pSurface->oglId.buffer = OPENGL_INVALID_ID;
128	#else /* VMSVGA3D_DIRECT3D */
129	pSurface->idAssociatedContext = SVGA3D_INVALID_ID;
130	pSurface->hSharedObject = NULL;
131	pSurface->pSharedObjectTree = NULL;
132	#endif
133
134	/* The surface type is sort of undefined now, even though the hints and format can help to clear that up.
135	* In some case we'll have to wait until the surface is used to create the D3D object.
136	*/
137	switch (format)
138	{
139	case SVGA3D_Z_D32:
140	case SVGA3D_Z_D16:
141	case SVGA3D_Z_D24S8:
142	case SVGA3D_Z_D15S1:
143	case SVGA3D_Z_D24X8:
144	case SVGA3D_Z_DF16:
145	case SVGA3D_Z_DF24:
146	case SVGA3D_Z_D24S8_INT:
147	surfaceFlags \|= SVGA3D_SURFACE_HINT_DEPTHSTENCIL;
148	break;
149
150	/* Texture compression formats */
151	case SVGA3D_DXT1:
152	case SVGA3D_DXT2:
153	case SVGA3D_DXT3:
154	case SVGA3D_DXT4:
155	case SVGA3D_DXT5:
156	/* Bump-map formats */
157	case SVGA3D_BUMPU8V8:
158	case SVGA3D_BUMPL6V5U5:
159	case SVGA3D_BUMPX8L8V8U8:
160	case SVGA3D_BUMPL8V8U8:
161	case SVGA3D_V8U8:
162	case SVGA3D_Q8W8V8U8:
163	case SVGA3D_CxV8U8:
164	case SVGA3D_X8L8V8U8:
165	case SVGA3D_A2W10V10U10:
166	case SVGA3D_V16U16:
167	/* Typical render target formats; we should allow render target buffers to be used as textures. */
168	case SVGA3D_X8R8G8B8:
169	case SVGA3D_A8R8G8B8:
170	case SVGA3D_R5G6B5:
171	case SVGA3D_X1R5G5B5:
172	case SVGA3D_A1R5G5B5:
173	case SVGA3D_A4R4G4B4:
174	surfaceFlags \|= SVGA3D_SURFACE_HINT_TEXTURE;
175	break;
176
177	case SVGA3D_LUMINANCE8:
178	case SVGA3D_LUMINANCE4_ALPHA4:
179	case SVGA3D_LUMINANCE16:
180	case SVGA3D_LUMINANCE8_ALPHA8:
181	case SVGA3D_ARGB_S10E5: /* 16-bit floating-point ARGB */
182	case SVGA3D_ARGB_S23E8: /* 32-bit floating-point ARGB */
183	case SVGA3D_A2R10G10B10:
184	case SVGA3D_ALPHA8:
185	case SVGA3D_R_S10E5:
186	case SVGA3D_R_S23E8:
187	case SVGA3D_RG_S10E5:
188	case SVGA3D_RG_S23E8:
189	case SVGA3D_G16R16:
190	case SVGA3D_A16B16G16R16:
191	case SVGA3D_UYVY:
192	case SVGA3D_YUY2:
193	case SVGA3D_NV12:
194	case SVGA3D_AYUV:
195	case SVGA3D_BC4_UNORM:
196	case SVGA3D_BC5_UNORM:
197	break;
198
199	/*
200	* Any surface can be used as a buffer object, but SVGA3D_BUFFER is
201	* the most efficient format to use when creating new surfaces
202	* expressly for index or vertex data.
203	*/
204	case SVGA3D_BUFFER:
205	break;
206
207	default:
208	break;
209	}
210
211	pSurface->surfaceFlags = surfaceFlags;
212	pSurface->format = format;
213	memcpy(pSurface->faces, face, sizeof(pSurface->faces));
214	pSurface->cFaces = cFaces;
215	pSurface->multiSampleCount = multisampleCount;
216	pSurface->autogenFilter = autogenFilter;
217	Assert(autogenFilter != SVGA3D_TEX_FILTER_FLATCUBIC);
218	Assert(autogenFilter != SVGA3D_TEX_FILTER_GAUSSIANCUBIC);
219	pSurface->cMipmapLevels = cMipLevels;
220	pSurface->pMipmapLevels = (PVMSVGA3DMIPMAPLEVEL)RTMemAllocZ(cMipLevels * sizeof(VMSVGA3DMIPMAPLEVEL));
221	AssertReturn(pSurface->pMipmapLevels, VERR_NO_MEMORY);
222
223	for (uint32_t i=0; i < cMipLevels; i++)
224	pSurface->pMipmapLevels[i].mipmapSize = paMipLevelSizes[i];
225
226	pSurface->cbBlock = vmsvga3dSurfaceFormatSize(format, &pSurface->cxBlock, &pSurface->cyBlock);
227	AssertReturn(pSurface->cbBlock, VERR_INVALID_PARAMETER);
228
229	#ifdef VMSVGA3D_DIRECT3D
230	/* Translate the format and usage flags to D3D. */
231	pSurface->formatD3D = vmsvga3dSurfaceFormat2D3D(format);
232	pSurface->multiSampleTypeD3D= vmsvga3dMultipeSampleCount2D3D(multisampleCount);
233	pSurface->fUsageD3D = 0;
234	if (surfaceFlags & SVGA3D_SURFACE_HINT_DYNAMIC)
235	pSurface->fUsageD3D \|= D3DUSAGE_DYNAMIC;
236	if (surfaceFlags & SVGA3D_SURFACE_HINT_RENDERTARGET)
237	pSurface->fUsageD3D \|= D3DUSAGE_RENDERTARGET;
238	if (surfaceFlags & SVGA3D_SURFACE_HINT_DEPTHSTENCIL)
239	pSurface->fUsageD3D \|= D3DUSAGE_DEPTHSTENCIL;
240	if (surfaceFlags & SVGA3D_SURFACE_HINT_WRITEONLY)
241	pSurface->fUsageD3D \|= D3DUSAGE_WRITEONLY;
242	if (surfaceFlags & SVGA3D_SURFACE_AUTOGENMIPMAPS)
243	pSurface->fUsageD3D \|= D3DUSAGE_AUTOGENMIPMAP;
244	pSurface->enmD3DResType = VMSVGA3D_D3DRESTYPE_NONE;
245	/* pSurface->u.pSurface = NULL; */
246	/* pSurface->bounce.pTexture = NULL; */
247	#else
248	vmsvga3dSurfaceFormat2OGL(pSurface, format);
249	#endif
250
251	LogFunc(("surface hint(s):%s%s%s%s%s%s\n",
252	(surfaceFlags & SVGA3D_SURFACE_HINT_INDEXBUFFER) ? " SVGA3D_SURFACE_HINT_INDEXBUFFER" : "",
253	(surfaceFlags & SVGA3D_SURFACE_HINT_VERTEXBUFFER) ? " SVGA3D_SURFACE_HINT_VERTEXBUFFER" : "",
254	(surfaceFlags & SVGA3D_SURFACE_HINT_TEXTURE) ? " SVGA3D_SURFACE_HINT_TEXTURE" : "",
255	(surfaceFlags & SVGA3D_SURFACE_HINT_DEPTHSTENCIL) ? " SVGA3D_SURFACE_HINT_DEPTHSTENCIL" : "",
256	(surfaceFlags & SVGA3D_SURFACE_HINT_RENDERTARGET) ? " SVGA3D_SURFACE_HINT_RENDERTARGET" : "",
257	(surfaceFlags & SVGA3D_SURFACE_CUBEMAP) ? " SVGA3D_SURFACE_CUBEMAP" : ""
258	));
259
260	Assert(!VMSVGA3DSURFACE_HAS_HW_SURFACE(pSurface));
261
262	/* Allocate buffer to hold the surface data until we can move it into a D3D object */
263	uint32_t cbMemRemaining = SVGA3D_MAX_SURFACE_MEM_SIZE; /* Do not allow more than this for a surface. */
264	for (uint32_t i = 0; i < cMipLevels; ++i)
265	{
266	PVMSVGA3DMIPMAPLEVEL pMipmapLevel = &pSurface->pMipmapLevels[i];
267	LogFunc(("[%d] face %d mip level %d (%d,%d,%d) cbBlock=0x%x block %dx%d\n",
268	i, i / pSurface->faces[0].numMipLevels, i % pSurface->faces[0].numMipLevels,
269	pMipmapLevel->mipmapSize.width, pMipmapLevel->mipmapSize.height, pMipmapLevel->mipmapSize.depth,
270	pSurface->cbBlock, pSurface->cxBlock, pSurface->cyBlock));
271
272	uint32_t cBlocksX;
273	uint32_t cBlocksY;
274	if (RT_LIKELY(pSurface->cxBlock == 1 && pSurface->cyBlock == 1))
275	{
276	cBlocksX = pMipmapLevel->mipmapSize.width;
277	cBlocksY = pMipmapLevel->mipmapSize.height;
278	}
279	else
280	{
281	cBlocksX = pMipmapLevel->mipmapSize.width / pSurface->cxBlock;
282	if (pMipmapLevel->mipmapSize.width % pSurface->cxBlock)
283	++cBlocksX;
284	cBlocksY = pMipmapLevel->mipmapSize.height / pSurface->cyBlock;
285	if (pMipmapLevel->mipmapSize.height % pSurface->cyBlock)
286	++cBlocksY;
287	}
288
289	if ( cBlocksX == 0
290	\|\| cBlocksY == 0
291	\|\| pMipmapLevel->mipmapSize.depth == 0)
292	return VERR_INVALID_PARAMETER;
293
294	const uint32_t cMaxBlocksX = cbMemRemaining / pSurface->cbBlock;
295	if (cBlocksX > cMaxBlocksX)
296	return VERR_INVALID_PARAMETER;
297	const uint32_t cbSurfacePitch = pSurface->cbBlock * cBlocksX;
298	LogFunc(("cbSurfacePitch=0x%x\n", cbSurfacePitch));
299
300	const uint32_t cMaxBlocksY = cbMemRemaining / cbSurfacePitch;
301	if (cBlocksY > cMaxBlocksY)
302	return VERR_INVALID_PARAMETER;
303	const uint32_t cbSurfacePlane = cbSurfacePitch * cBlocksY;
304
305	const uint32_t cMaxDepth = cbMemRemaining / cbSurfacePlane;
306	if (pMipmapLevel->mipmapSize.depth > cMaxDepth)
307	return VERR_INVALID_PARAMETER;
308	const uint32_t cbSurface = cbSurfacePlane * pMipmapLevel->mipmapSize.depth;
309
310	pMipmapLevel->cBlocksX = cBlocksX;
311	pMipmapLevel->cBlocksY = cBlocksY;
312	pMipmapLevel->cbSurfacePitch = cbSurfacePitch;
313	pMipmapLevel->cbSurfacePlane = cbSurfacePlane;
314	pMipmapLevel->cbSurface = cbSurface;
315	pMipmapLevel->pSurfaceData = RTMemAllocZ(cbSurface);
316	AssertReturn(pMipmapLevel->pSurfaceData, VERR_NO_MEMORY);
317
318	cbMemRemaining -= cbSurface;
319	}
320	return VINF_SUCCESS;
321	}
322
323
324	/**
325	* Implements the SVGA_3D_CMD_SURFACE_DESTROY command (fifo).
326	*
327	* @returns VBox status code (currently ignored).
328	* @param pThis The VGA device instance data.
329	* @param sid The ID of the surface to destroy.
330	*/
331	int vmsvga3dSurfaceDestroy(PVGASTATE pThis, uint32_t sid)
332	{
333	PVMSVGA3DSTATE pState = pThis->svga.p3dState;
334	AssertReturn(pState, VERR_NO_MEMORY);
335
336	PVMSVGA3DSURFACE pSurface;
337	int rc = vmsvga3dSurfaceFromSid(pState, sid, &pSurface);
338	AssertRCReturn(rc, rc);
339
340	LogFunc(("sid=%x\n", sid));
341
342	/* Check all contexts if this surface is used as a render target or active texture. */
343	for (uint32_t cid = 0; cid < pState->cContexts; cid++)
344	{
345	PVMSVGA3DCONTEXT pContext = pState->papContexts[cid];
346	if (pContext->id == cid)
347	{
348	for (uint32_t i = 0; i < RT_ELEMENTS(pContext->aSidActiveTextures); ++i)
349	if (pContext->aSidActiveTextures[i] == sid)
350	pContext->aSidActiveTextures[i] = SVGA3D_INVALID_ID;
351	for (uint32_t i = 0; i < RT_ELEMENTS(pContext->state.aRenderTargets); ++i)
352	if (pContext->state.aRenderTargets[i] == sid)
353	pContext->state.aRenderTargets[i] = SVGA3D_INVALID_ID;
354	}
355	}
356
357	vmsvga3dBackSurfaceDestroy(pState, pSurface);
358
359	if (pSurface->pMipmapLevels)
360	{
361	for (uint32_t i = 0; i < pSurface->cMipmapLevels; ++i)
362	RTMemFree(pSurface->pMipmapLevels[i].pSurfaceData);
363	RTMemFree(pSurface->pMipmapLevels);
364	}
365
366	memset(pSurface, 0, sizeof(*pSurface));
367	pSurface->id = SVGA3D_INVALID_ID;
368
369	return VINF_SUCCESS;
370	}
371
372
373	/**
374	* Implements the SVGA_3D_CMD_SURFACE_STRETCHBLT command (fifo).
375	*
376	* @returns VBox status code (currently ignored).
377	* @param pThis The VGA device instance data.
378	* @param pDstSfcImg
379	* @param pDstBox
380	* @param pSrcSfcImg
381	* @param pSrcBox
382	* @param enmMode
383	*/
384	int vmsvga3dSurfaceStretchBlt(PVGASTATE pThis, SVGA3dSurfaceImageId const pDstSfcImg, SVGA3dBox const pDstBox,
385	SVGA3dSurfaceImageId const pSrcSfcImg, SVGA3dBox const pSrcBox, SVGA3dStretchBltMode enmMode)
386	{
387	PVMSVGA3DSTATE pState = pThis->svga.p3dState;
388	AssertReturn(pState, VERR_NO_MEMORY);
389
390	int rc;
391
392	uint32_t const sidSrc = pSrcSfcImg->sid;
393	PVMSVGA3DSURFACE pSrcSurface;
394	rc = vmsvga3dSurfaceFromSid(pState, sidSrc, &pSrcSurface);
395	AssertRCReturn(rc, rc);
396
397	uint32_t const sidDst = pDstSfcImg->sid;
398	PVMSVGA3DSURFACE pDstSurface;
399	rc = vmsvga3dSurfaceFromSid(pState, sidDst, &pDstSurface);
400	AssertRCReturn(rc, rc);
401
402	/* Can use faces[0].numMipLevels, because numMipLevels is the same for all faces. */
403	AssertReturn(pSrcSfcImg->face < pSrcSurface->cFaces, VERR_INVALID_PARAMETER);
404	AssertReturn(pSrcSfcImg->mipmap < pSrcSurface->faces[0].numMipLevels, VERR_INVALID_PARAMETER);
405	AssertReturn(pDstSfcImg->face < pDstSurface->cFaces, VERR_INVALID_PARAMETER);
406	AssertReturn(pDstSfcImg->mipmap < pDstSurface->faces[0].numMipLevels, VERR_INVALID_PARAMETER);
407
408	PVMSVGA3DCONTEXT pContext;
409	#ifdef VMSVGA3D_OPENGL
410	LogFunc(("src sid=%x (%d,%d)(%d,%d) dest sid=%x (%d,%d)(%d,%d) mode=%x\n",
411	sidSrc, pSrcBox->x, pSrcBox->y, pSrcBox->x + pSrcBox->w, pSrcBox->y + pSrcBox->h,
412	sidDst, pDstBox->x, pDstBox->y, pDstBox->x + pDstBox->w, pDstBox->y + pDstBox->h, enmMode));
413	pContext = &pState->SharedCtx;
414	VMSVGA3D_SET_CURRENT_CONTEXT(pState, pContext);
415	#else
416	LogFunc(("src sid=%x cid=%x (%d,%d)(%d,%d) dest sid=%x cid=%x (%d,%d)(%d,%d) mode=%x\n",
417	sidSrc, pSrcSurface->idAssociatedContext, pSrcBox->x, pSrcBox->y, pSrcBox->x + pSrcBox->w, pSrcBox->y + pSrcBox->h,
418	sidDst, pDstSurface->idAssociatedContext, pDstBox->x, pDstBox->y, pDstBox->x + pDstBox->w, pDstBox->y + pDstBox->h, enmMode));
419
420	uint32_t cid = pDstSurface->idAssociatedContext;
421	if (cid == SVGA3D_INVALID_ID)
422	cid = pSrcSurface->idAssociatedContext;
423
424	/* At least one of surfaces must be in hardware. */
425	AssertReturn(cid != SVGA3D_INVALID_ID, VERR_INVALID_PARAMETER);
426
427	rc = vmsvga3dContextFromCid(pState, cid, &pContext);
428	AssertRCReturn(rc, rc);
429	#endif
430
431	if (!VMSVGA3DSURFACE_HAS_HW_SURFACE(pSrcSurface))
432	{
433	/* Unknown surface type; turn it into a texture, which can be used for other purposes too. */
434	LogFunc(("unknown src sid=%x type=%d format=%d -> create texture\n", sidSrc, pSrcSurface->surfaceFlags, pSrcSurface->format));
435	rc = vmsvga3dBackCreateTexture(pState, pContext, pContext->id, pSrcSurface);
436	AssertRCReturn(rc, rc);
437	}
438
439	if (!VMSVGA3DSURFACE_HAS_HW_SURFACE(pDstSurface))
440	{
441	/* Unknown surface type; turn it into a texture, which can be used for other purposes too. */
442	LogFunc(("unknown dest sid=%x type=%d format=%d -> create texture\n", sidDst, pDstSurface->surfaceFlags, pDstSurface->format));
443	rc = vmsvga3dBackCreateTexture(pState, pContext, pContext->id, pDstSurface);
444	AssertRCReturn(rc, rc);
445	}
446
447	PVMSVGA3DMIPMAPLEVEL pSrcMipmapLevel;
448	rc = vmsvga3dMipmapLevel(pSrcSurface, pSrcSfcImg->face, pSrcSfcImg->mipmap, &pSrcMipmapLevel);
449	AssertRCReturn(rc, rc);
450
451	PVMSVGA3DMIPMAPLEVEL pDstMipmapLevel;
452	rc = vmsvga3dMipmapLevel(pDstSurface, pDstSfcImg->face, pDstSfcImg->mipmap, &pDstMipmapLevel);
453	AssertRCReturn(rc, rc);
454
455	SVGA3dBox clipSrcBox = *pSrcBox;
456	SVGA3dBox clipDstBox = *pDstBox;
457	vmsvgaClipBox(&pSrcMipmapLevel->mipmapSize, &clipSrcBox);
458	vmsvgaClipBox(&pDstMipmapLevel->mipmapSize, &clipDstBox);
459
460	return vmsvga3dBackSurfaceStretchBlt(pThis, pState,
461	pDstSurface, pDstSfcImg->face, pDstSfcImg->mipmap, &clipDstBox,
462	pSrcSurface, pSrcSfcImg->face, pSrcSfcImg->mipmap, &clipSrcBox,
463	enmMode, pContext);
464	}
465
466	/**
467	* Implements the SVGA_3D_CMD_SURFACE_DMA command (fifo).
468	*
469	* @returns VBox status code (currently ignored).
470	* @param pThis The VGA device instance data.
471	* @param guest .
472	* @param host .
473	* @param transfer .
474	* @param cCopyBoxes .
475	* @param paBoxes .
476	*/
477	int vmsvga3dSurfaceDMA(PVGASTATE pThis, SVGA3dGuestImage guest, SVGA3dSurfaceImageId host, SVGA3dTransferType transfer,
478	uint32_t cCopyBoxes, SVGA3dCopyBox *paBoxes)
479	{
480	PVMSVGA3DSTATE pState = pThis->svga.p3dState;
481	AssertReturn(pState, VERR_NO_MEMORY);
482
483	PVMSVGA3DSURFACE pSurface;
484	int rc = vmsvga3dSurfaceFromSid(pState, host.sid, &pSurface);
485	AssertRCReturn(rc, rc);
486
487	LogFunc(("%sguestptr gmr=%x offset=%x pitch=%x host sid=%x face=%d mipmap=%d transfer=%s cCopyBoxes=%d\n",
488	(pSurface->surfaceFlags & SVGA3D_SURFACE_HINT_TEXTURE) ? "TEXTURE " : "",
489	guest.ptr.gmrId, guest.ptr.offset, guest.pitch,
490	host.sid, host.face, host.mipmap, (transfer == SVGA3D_WRITE_HOST_VRAM) ? "READ" : "WRITE", cCopyBoxes));
491
492	PVMSVGA3DMIPMAPLEVEL pMipLevel;
493	rc = vmsvga3dMipmapLevel(pSurface, host.face, host.mipmap, &pMipLevel);
494	AssertRCReturn(rc, rc);
495
496	PVMSVGA3DCONTEXT pContext = NULL;
497	if (!VMSVGA3DSURFACE_HAS_HW_SURFACE(pSurface))
498	{
499	/*
500	* Not realized in host hardware/library yet, we have to work with
501	* the copy of the data we've got in VMSVGA3DMIMAPLEVEL::pSurfaceData.
502	*/
503	AssertReturn(pMipLevel->pSurfaceData, VERR_INTERNAL_ERROR);
504	}
505	else
506	{
507	#ifdef VMSVGA3D_DIRECT3D
508	/* Flush the drawing pipeline for this surface as it could be used in a shared context. */
509	vmsvga3dSurfaceFlush(pThis, pSurface);
510
511	#else /* VMSVGA3D_OPENGL */
512	pContext = &pState->SharedCtx;
513	VMSVGA3D_SET_CURRENT_CONTEXT(pState, pContext);
514	#endif
515	}
516
517	/* SVGA_3D_CMD_SURFACE_DMA:
518	* "define the 'source' in each copyBox as the guest image and the
519	* 'destination' as the host image, regardless of transfer direction."
520	*/
521	for (uint32_t i = 0; i < cCopyBoxes; ++i)
522	{
523	Log(("Copy box (%s) %d (%d,%d,%d)(%d,%d,%d) dest (%d,%d)\n",
524	VMSVGA3DSURFACE_HAS_HW_SURFACE(pSurface) ? "hw" : "mem",
525	i, paBoxes[i].srcx, paBoxes[i].srcy, paBoxes[i].srcz, paBoxes[i].w, paBoxes[i].h, paBoxes[i].d, paBoxes[i].x, paBoxes[i].y));
526
527	/* Apparently we're supposed to clip it (gmr test sample) */
528
529	/* The copybox's "dest" is coords in the host surface. Verify them against the surface's mipmap size. */
530	SVGA3dBox hostBox;
531	hostBox.x = paBoxes[i].x;
532	hostBox.y = paBoxes[i].y;
533	hostBox.z = paBoxes[i].z;
534	hostBox.w = paBoxes[i].w;
535	hostBox.h = paBoxes[i].h;
536	hostBox.d = paBoxes[i].d;
537	vmsvgaClipBox(&pMipLevel->mipmapSize, &hostBox);
538
539	if ( !hostBox.w
540	\|\| !hostBox.h
541	\|\| !hostBox.d)
542	{
543	Log(("Skip empty box\n"));
544	continue;
545	}
546	RT_UNTRUSTED_VALIDATED_FENCE();
547
548	/* Adjust the guest, i.e. "src", point.
549	* Do not try to verify them here because vmsvgaGMRTransfer takes care of this.
550	*/
551	uint32_t const srcx = paBoxes[i].srcx + (hostBox.x - paBoxes[i].x);
552	uint32_t const srcy = paBoxes[i].srcy + (hostBox.y - paBoxes[i].y);
553	uint32_t const srcz = paBoxes[i].srcz + (hostBox.z - paBoxes[i].z);
554
555	/* Calculate offsets of the image blocks for the transfer. */
556	uint32_t u32HostBlockX;
557	uint32_t u32HostBlockY;
558	uint32_t u32GuestBlockX;
559	uint32_t u32GuestBlockY;
560	uint32_t cBlocksX;
561	uint32_t cBlocksY;
562	if (RT_LIKELY(pSurface->cxBlock == 1 && pSurface->cyBlock == 1))
563	{
564	u32HostBlockX = hostBox.x;
565	u32HostBlockY = hostBox.y;
566
567	u32GuestBlockX = srcx;
568	u32GuestBlockY = srcy;
569
570	cBlocksX = hostBox.w;
571	cBlocksY = hostBox.h;
572	}
573	else
574	{
575	/* Pixels to blocks. */
576	u32HostBlockX = hostBox.x / pSurface->cxBlock;
577	u32HostBlockY = hostBox.y / pSurface->cyBlock;
578	Assert(u32HostBlockX * pSurface->cxBlock == hostBox.x);
579	Assert(u32HostBlockY * pSurface->cyBlock == hostBox.y);
580
581	u32GuestBlockX = srcx / pSurface->cxBlock;
582	u32GuestBlockY = srcy / pSurface->cyBlock;
583	Assert(u32GuestBlockX * pSurface->cxBlock == srcx);
584	Assert(u32GuestBlockY * pSurface->cyBlock == srcy);
585
586	cBlocksX = (hostBox.w + pSurface->cxBlock - 1) / pSurface->cxBlock;
587	cBlocksY = (hostBox.h + pSurface->cyBlock - 1) / pSurface->cyBlock;
588	}
589
590	uint32_t cbGuestPitch = guest.pitch;
591	if (cbGuestPitch == 0)
592	{
593	/* Host must "assume image is tightly packed". Our surfaces are. */
594	cbGuestPitch = pMipLevel->cbSurfacePitch;
595	}
596	else
597	{
598	/* vmsvgaGMRTransfer will verify the value, just check it is sane. */
599	AssertReturn(cbGuestPitch <= SVGA3D_MAX_SURFACE_MEM_SIZE, VERR_INVALID_PARAMETER);
600	RT_UNTRUSTED_VALIDATED_FENCE();
601	}
602
603	/* srcx, srcy and srcz values are used to calculate the guest offset.
604	* The offset will be verified by vmsvgaGMRTransfer, so just check for overflows here.
605	*/
606	AssertReturn(srcz < UINT32_MAX / pMipLevel->mipmapSize.height / cbGuestPitch, VERR_INVALID_PARAMETER);
607	AssertReturn(u32GuestBlockY < UINT32_MAX / cbGuestPitch, VERR_INVALID_PARAMETER);
608	AssertReturn(u32GuestBlockX < UINT32_MAX / pSurface->cbBlock, VERR_INVALID_PARAMETER);
609	RT_UNTRUSTED_VALIDATED_FENCE();
610
611	if (!VMSVGA3DSURFACE_HAS_HW_SURFACE(pSurface))
612	{
613	uint64_t uGuestOffset = u32GuestBlockX * pSurface->cbBlock +
614	u32GuestBlockY * cbGuestPitch +
615	srcz * pMipLevel->mipmapSize.height * cbGuestPitch;
616	AssertReturn(uGuestOffset < UINT32_MAX, VERR_INVALID_PARAMETER);
617
618	/* vmsvga3dSurfaceDefine verifies the surface dimensions and clipBox is within them. */
619	uint32_t uHostOffset = u32HostBlockX * pSurface->cbBlock +
620	u32HostBlockY * pMipLevel->cbSurfacePitch +
621	hostBox.z * pMipLevel->cbSurfacePlane;
622	AssertReturn(uHostOffset < pMipLevel->cbSurface, VERR_INTERNAL_ERROR);
623
624	for (uint32_t z = 0; z < hostBox.d; ++z)
625	{
626	rc = vmsvgaGMRTransfer(pThis,
627	transfer,
628	(uint8_t *)pMipLevel->pSurfaceData,
629	pMipLevel->cbSurface,
630	uHostOffset,
631	(int32_t)pMipLevel->cbSurfacePitch,
632	guest.ptr,
633	(uint32_t)uGuestOffset,
634	cbGuestPitch,
635	cBlocksX * pSurface->cbBlock,
636	cBlocksY);
637	AssertRC(rc);
638
639	Log4(("first line [z=%d]:\n%.*Rhxd\n",
640	z, pMipLevel->cbSurfacePitch, (uint8_t *)pMipLevel->pSurfaceData + uHostOffset));
641
642	uHostOffset += pMipLevel->cbSurfacePlane;
643	uGuestOffset += pMipLevel->mipmapSize.height * cbGuestPitch;
644	AssertReturn(uGuestOffset < UINT32_MAX, VERR_INVALID_PARAMETER);
645	}
646	}
647	else
648	{
649	SVGA3dCopyBox clipBox;
650	clipBox.x = hostBox.x;
651	clipBox.y = hostBox.y;
652	clipBox.z = hostBox.z;
653	clipBox.w = hostBox.w;
654	clipBox.h = hostBox.h;
655	clipBox.d = hostBox.d;
656	clipBox.srcx = srcx;
657	clipBox.srcy = srcy;
658	clipBox.srcz = srcz;
659	rc = vmsvga3dBackSurfaceDMACopyBox(pThis, pState, pSurface, pMipLevel, host.face, host.mipmap,
660	guest.ptr, cbGuestPitch, transfer,
661	&clipBox, pContext, rc, i);
662	AssertRC(rc);
663	}
664	}
665
666	if (!VMSVGA3DSURFACE_HAS_HW_SURFACE(pSurface))
667	{
668	pMipLevel->fDirty = true;
669	pSurface->fDirty = true;
670	}
671
672	return rc;
673	}
674
675	static int vmsvga3dQueryWriteResult(PVGASTATE pThis, SVGAGuestPtr guestResult, SVGA3dQueryState enmState, uint32_t u32Result)
676	{
677	SVGA3dQueryResult queryResult;
678	queryResult.totalSize = sizeof(queryResult); /* Set by guest before query is ended. */
679	queryResult.state = enmState; /* Set by host or guest. See SVGA3dQueryState. */
680	queryResult.result32 = u32Result;
681
682	int rc = vmsvgaGMRTransfer(pThis, SVGA3D_READ_HOST_VRAM,
683	(uint8_t *)&queryResult, sizeof(queryResult), 0, sizeof(queryResult),
684	guestResult, 0, sizeof(queryResult), sizeof(queryResult), 1);
685	AssertRC(rc);
686	return rc;
687	}
688
689	int vmsvga3dQueryBegin(PVGASTATE pThis, uint32_t cid, SVGA3dQueryType type)
690	{
691	PVMSVGA3DSTATE pState = pThis->svga.p3dState;
692	AssertReturn(pState, VERR_NO_MEMORY);
693
694	LogFunc(("cid=%x type=%d\n", cid, type));
695
696	PVMSVGA3DCONTEXT pContext;
697	int rc = vmsvga3dContextFromCid(pState, cid, &pContext);
698	AssertRCReturn(rc, rc);
699
700	if (type == SVGA3D_QUERYTYPE_OCCLUSION)
701	{
702	VMSVGA3DQUERY *p = &pContext->occlusion;
703	if (!VMSVGA3DQUERY_EXISTS(p))
704	{
705	/* Lazy creation of the query object. */
706	rc = vmsvga3dOcclusionQueryCreate(pState, pContext);
707	AssertRCReturn(rc, rc);
708	}
709
710	rc = vmsvga3dOcclusionQueryBegin(pState, pContext);
711	AssertRCReturn(rc, rc);
712
713	p->enmQueryState = VMSVGA3DQUERYSTATE_BUILDING;
714	p->u32QueryResult = 0;
715
716	return VINF_SUCCESS;
717	}
718
719	/* Nothing else for VGPU9. */
720	AssertFailedReturn(VERR_NOT_IMPLEMENTED);
721	}
722
723	int vmsvga3dQueryEnd(PVGASTATE pThis, uint32_t cid, SVGA3dQueryType type, SVGAGuestPtr guestResult)
724	{
725	RT_NOREF(guestResult);
726	PVMSVGA3DSTATE pState = pThis->svga.p3dState;
727	AssertReturn(pState, VERR_NO_MEMORY);
728
729	LogFunc(("cid=%x type=%d guestResult %d:0x%x\n", cid, type, guestResult.gmrId, guestResult.offset));
730
731	PVMSVGA3DCONTEXT pContext;
732	int rc = vmsvga3dContextFromCid(pState, cid, &pContext);
733	AssertRCReturn(rc, rc);
734
735	if (type == SVGA3D_QUERYTYPE_OCCLUSION)
736	{
737	VMSVGA3DQUERY *p = &pContext->occlusion;
738	Assert(p->enmQueryState == VMSVGA3DQUERYSTATE_BUILDING);
739	AssertMsgReturn(VMSVGA3DQUERY_EXISTS(p), ("Query is NULL\n"), VERR_INTERNAL_ERROR);
740
741	rc = vmsvga3dOcclusionQueryEnd(pState, pContext);
742	AssertRCReturn(rc, rc);
743
744	p->enmQueryState = VMSVGA3DQUERYSTATE_ISSUED;
745
746	/* Do not touch guestResult, because the guest will call WaitForQuery. */
747	return VINF_SUCCESS;
748	}
749
750	/* Nothing else for VGPU9. */
751	AssertFailedReturn(VERR_NOT_IMPLEMENTED);
752	}
753
754	int vmsvga3dQueryWait(PVGASTATE pThis, uint32_t cid, SVGA3dQueryType type, SVGAGuestPtr guestResult)
755	{
756	PVMSVGA3DSTATE pState = pThis->svga.p3dState;
757	AssertReturn(pState, VERR_NO_MEMORY);
758
759	LogFunc(("cid=%x type=%d guestResult GMR%d:0x%x\n", cid, type, guestResult.gmrId, guestResult.offset));
760
761	PVMSVGA3DCONTEXT pContext;
762	int rc = vmsvga3dContextFromCid(pState, cid, &pContext);
763	AssertRCReturn(rc, rc);
764
765	if (type == SVGA3D_QUERYTYPE_OCCLUSION)
766	{
767	VMSVGA3DQUERY *p = &pContext->occlusion;
768	if (VMSVGA3DQUERY_EXISTS(p))
769	{
770	if (p->enmQueryState == VMSVGA3DQUERYSTATE_ISSUED)
771	{
772	/* Only if not already in SIGNALED state,
773	* i.e. not a second read from the guest or after restoring saved state.
774	*/
775	uint32_t u32Pixels = 0;
776	rc = vmsvga3dOcclusionQueryGetData(pState, pContext, &u32Pixels);
777	if (RT_SUCCESS(rc))
778	{
779	p->enmQueryState = VMSVGA3DQUERYSTATE_SIGNALED;
780	p->u32QueryResult += u32Pixels; /* += because it might contain partial result from saved state. */
781	}
782	}
783
784	if (RT_SUCCESS(rc))
785	{
786	/* Return data to the guest. */
787	vmsvga3dQueryWriteResult(pThis, guestResult, SVGA3D_QUERYSTATE_SUCCEEDED, p->u32QueryResult);
788	return VINF_SUCCESS;
789	}
790	}
791	else
792	{
793	AssertMsgFailed(("GetData Query is NULL\n"));
794	}
795
796	rc = VERR_INTERNAL_ERROR;
797	}
798	else
799	{
800	rc = VERR_NOT_IMPLEMENTED;
801	}
802
803	vmsvga3dQueryWriteResult(pThis, guestResult, SVGA3D_QUERYSTATE_FAILED, 0);
804	AssertFailedReturn(rc);
805	}
806
807	int vmsvga3dSurfaceBlitToScreen(PVGASTATE pThis, uint32_t idDstScreen, SVGASignedRect destRect, SVGA3dSurfaceImageId src, SVGASignedRect srcRect, uint32_t cRects, SVGASignedRect *pRect)
808	{
809	/* Requires SVGA_FIFO_CAP_SCREEN_OBJECT support */
810	LogFunc(("dest=%d (%d,%d)(%d,%d) sid=%x (face=%d, mipmap=%d) (%d,%d)(%d,%d) cRects=%d\n",
811	idDstScreen, destRect.left, destRect.top, destRect.right, destRect.bottom, src.sid, src.face, src.mipmap,
812	srcRect.left, srcRect.top, srcRect.right, srcRect.bottom, cRects));
813	for (uint32_t i = 0; i < cRects; i++)
814	{
815	LogFunc(("clipping rect %d (%d,%d)(%d,%d)\n", i, pRect[i].left, pRect[i].top, pRect[i].right, pRect[i].bottom));
816	}
817
818	VMSVGASCREENOBJECT *pScreen = vmsvgaGetScreenObject(pThis, idDstScreen);
819	AssertReturn(pScreen, VERR_INTERNAL_ERROR);
820
821	AssertReturn(src.mipmap == 0 && src.face == 0, VERR_INVALID_PARAMETER);
822	/** @todo scaling */
823	AssertReturn(destRect.right - destRect.left == srcRect.right - srcRect.left && destRect.bottom - destRect.top == srcRect.bottom - srcRect.top, VERR_INVALID_PARAMETER);
824
825	SVGA3dCopyBox box;
826	SVGA3dGuestImage dest;
827
828	box.srcz = 0;
829	box.z = 0;
830	box.d = 1;
831
832	dest.ptr.gmrId = SVGA_GMR_FRAMEBUFFER;
833	dest.ptr.offset = pScreen->offVRAM;
834	dest.pitch = pScreen->cbPitch;
835
836	if (cRects == 0)
837	{
838	/* easy case; no clipping */
839
840	/* SVGA_3D_CMD_SURFACE_DMA:
841	* 'define the "source" in each copyBox as the guest image and the
842	* "destination" as the host image, regardless of transfer direction.'
843	*
844	* Since the BlitToScreen operation transfers from a host surface to the guest VRAM,
845	* it must set the copyBox "source" to the guest destination coords and
846	* the copyBox "destination" to the host surface source coords.
847	*/
848	/* Host image. */
849	box.x = srcRect.left;
850	box.y = srcRect.top;
851	box.w = srcRect.right - srcRect.left;
852	box.h = srcRect.bottom - srcRect.top;
853	/* Guest image. */
854	box.srcx = destRect.left;
855	box.srcy = destRect.top;
856
857	int rc = vmsvga3dSurfaceDMA(pThis, dest, src, SVGA3D_READ_HOST_VRAM, 1, &box);
858	AssertRCReturn(rc, rc);
859
860	/* Update the guest image, which is at box.src. */
861	vmsvgaUpdateScreen(pThis, pScreen, box.srcx, box.srcy, box.w, box.h);
862	}
863	else
864	{
865	/** @todo merge into one SurfaceDMA call */
866	for (uint32_t i = 0; i < cRects; i++)
867	{
868	/* "The clip rectangle coordinates are measured
869	* relative to the top-left corner of destRect."
870	* Therefore they are relative to the top-left corner of srcRect as well.
871	*/
872
873	/* Host image. See 'SVGA_3D_CMD_SURFACE_DMA:' comment in the 'if' branch. */
874	box.x = srcRect.left + pRect[i].left;
875	box.y = srcRect.top + pRect[i].top;
876	box.w = pRect[i].right - pRect[i].left;
877	box.h = pRect[i].bottom - pRect[i].top;
878	/* Guest image. The target screen memory is currently in the guest VRAM. */
879	box.srcx = destRect.left + pRect[i].left;
880	box.srcy = destRect.top + pRect[i].top;
881
882	int rc = vmsvga3dSurfaceDMA(pThis, dest, src, SVGA3D_READ_HOST_VRAM, 1, &box);
883	AssertRCReturn(rc, rc);
884
885	/* Update the guest image, which is at box.src. */
886	vmsvgaUpdateScreen(pThis, pScreen, box.srcx, box.srcy, box.w, box.h);
887	}
888	}
889
890	return VINF_SUCCESS;
891	}
892
893	int vmsvga3dCommandPresent(PVGASTATE pThis, uint32_t sid, uint32_t cRects, SVGA3dCopyRect *pRect)
894	{
895	/* Deprecated according to svga3d_reg.h. */
896	PVMSVGA3DSTATE pState = pThis->svga.p3dState;
897	AssertReturn(pState, VERR_NO_MEMORY);
898
899	PVMSVGA3DSURFACE pSurface;
900	int rc = vmsvga3dSurfaceFromSid(pState, sid, &pSurface);
901	AssertRCReturn(rc, rc);
902
903	/** @todo Detect screen from coords? Or split rect to screens? */
904	VMSVGASCREENOBJECT *pScreen = vmsvgaGetScreenObject(pThis, 0);
905	AssertReturn(pScreen, VERR_INTERNAL_ERROR);
906
907	/* If there are no recangles specified, just grab a screenful. */
908	SVGA3dCopyRect DummyRect;
909	if (cRects != 0)
910	{ /* likely */ }
911	else
912	{
913	/** @todo Find the usecase for this or check what the original device does.
914	* The original code was doing some scaling based on the surface
915	* size... */
916	AssertMsgFailed(("No rects to present. Who is doing that and what do they actually expect?\n"));
917	DummyRect.x = DummyRect.srcx = 0;
918	DummyRect.y = DummyRect.srcy = 0;
919	DummyRect.w = pScreen->cWidth;
920	DummyRect.h = pScreen->cHeight;
921	cRects = 1;
922	pRect = &DummyRect;
923	}
924
925	uint32_t i;
926	for (i = 0; i < cRects; ++i)
927	{
928	uint32_t idDstScreen = 0; /** @todo Use virtual coords: SVGA_ID_INVALID. */
929	SVGASignedRect destRect;
930	destRect.left = pRect[i].x;
931	destRect.top = pRect[i].y;
932	destRect.right = pRect[i].x + pRect[i].w;
933	destRect.bottom = pRect[i].y + pRect[i].h;
934
935	SVGA3dSurfaceImageId src;
936	src.sid = sid;
937	src.face = 0;
938	src.mipmap = 0;
939
940	SVGASignedRect srcRect;
941	srcRect.left = pRect[i].srcx;
942	srcRect.top = pRect[i].srcy;
943	srcRect.right = pRect[i].srcx + pRect[i].w;
944	srcRect.bottom = pRect[i].srcy + pRect[i].h;
945
946	/* Entire rect. */
947	rc = vmsvga3dSurfaceBlitToScreen(pThis, idDstScreen, destRect, src, srcRect, 0, NULL);
948	AssertRCReturn(rc, rc);
949	}
950
951	return VINF_SUCCESS;
952	}

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source: vbox/trunk/src/VBox/Devices/Graphics/DevVGA-SVGA3d.cpp@ 80957

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