DevVGA-SVGA3d.cpp@ 69052

Last change on this file since 69052 was 67972, checked in by vboxsync, 7 years ago
bugref:8863: several DevVGA-SVGA fixes
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1	/* $Id: DevVGA-SVGA3d.cpp 67972 2017-07-14 13:44:02Z vboxsync $ */
2	/** @file
3	* DevSVGA3d - VMWare SVGA device, 3D parts - Common core code.
4	*/
5
6	/*
7	* Copyright (C) 2013-2016 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 <VBox/err.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	#else
128	pSurface->idAssociatedContext = SVGA3D_INVALID_ID;
129	#endif
130	#ifdef VMSVGA3D_DIRECT3D
131	pSurface->hSharedObject = NULL;
132	pSurface->pSharedObjectTree = NULL;
133	#else
134	pSurface->oglId.buffer = OPENGL_INVALID_ID;
135	#endif
136
137	/* The surface type is sort of undefined now, even though the hints and format can help to clear that up.
138	* In some case we'll have to wait until the surface is used to create the D3D object.
139	*/
140	switch (format)
141	{
142	case SVGA3D_Z_D32:
143	case SVGA3D_Z_D16:
144	case SVGA3D_Z_D24S8:
145	case SVGA3D_Z_D15S1:
146	case SVGA3D_Z_D24X8:
147	case SVGA3D_Z_DF16:
148	case SVGA3D_Z_DF24:
149	case SVGA3D_Z_D24S8_INT:
150	surfaceFlags \|= SVGA3D_SURFACE_HINT_DEPTHSTENCIL;
151	break;
152
153	/* Texture compression formats */
154	case SVGA3D_DXT1:
155	case SVGA3D_DXT2:
156	case SVGA3D_DXT3:
157	case SVGA3D_DXT4:
158	case SVGA3D_DXT5:
159	/* Bump-map formats */
160	case SVGA3D_BUMPU8V8:
161	case SVGA3D_BUMPL6V5U5:
162	case SVGA3D_BUMPX8L8V8U8:
163	case SVGA3D_BUMPL8V8U8:
164	case SVGA3D_V8U8:
165	case SVGA3D_Q8W8V8U8:
166	case SVGA3D_CxV8U8:
167	case SVGA3D_X8L8V8U8:
168	case SVGA3D_A2W10V10U10:
169	case SVGA3D_V16U16:
170	/* Typical render target formats; we should allow render target buffers to be used as textures. */
171	case SVGA3D_X8R8G8B8:
172	case SVGA3D_A8R8G8B8:
173	case SVGA3D_R5G6B5:
174	case SVGA3D_X1R5G5B5:
175	case SVGA3D_A1R5G5B5:
176	case SVGA3D_A4R4G4B4:
177	surfaceFlags \|= SVGA3D_SURFACE_HINT_TEXTURE;
178	break;
179
180	case SVGA3D_LUMINANCE8:
181	case SVGA3D_LUMINANCE4_ALPHA4:
182	case SVGA3D_LUMINANCE16:
183	case SVGA3D_LUMINANCE8_ALPHA8:
184	case SVGA3D_ARGB_S10E5: /* 16-bit floating-point ARGB */
185	case SVGA3D_ARGB_S23E8: /* 32-bit floating-point ARGB */
186	case SVGA3D_A2R10G10B10:
187	case SVGA3D_ALPHA8:
188	case SVGA3D_R_S10E5:
189	case SVGA3D_R_S23E8:
190	case SVGA3D_RG_S10E5:
191	case SVGA3D_RG_S23E8:
192	case SVGA3D_G16R16:
193	case SVGA3D_A16B16G16R16:
194	case SVGA3D_UYVY:
195	case SVGA3D_YUY2:
196	case SVGA3D_NV12:
197	case SVGA3D_AYUV:
198	case SVGA3D_BC4_UNORM:
199	case SVGA3D_BC5_UNORM:
200	break;
201
202	/*
203	* Any surface can be used as a buffer object, but SVGA3D_BUFFER is
204	* the most efficient format to use when creating new surfaces
205	* expressly for index or vertex data.
206	*/
207	case SVGA3D_BUFFER:
208	break;
209
210	default:
211	break;
212	}
213
214	pSurface->flags = surfaceFlags;
215	pSurface->format = format;
216	memcpy(pSurface->faces, face, sizeof(pSurface->faces));
217	pSurface->cFaces = cFaces;
218	pSurface->multiSampleCount = multisampleCount;
219	pSurface->autogenFilter = autogenFilter;
220	Assert(autogenFilter != SVGA3D_TEX_FILTER_FLATCUBIC);
221	Assert(autogenFilter != SVGA3D_TEX_FILTER_GAUSSIANCUBIC);
222	pSurface->cMipmapLevels = cMipLevels;
223	pSurface->pMipmapLevels = (PVMSVGA3DMIPMAPLEVEL)RTMemAllocZ(cMipLevels * sizeof(VMSVGA3DMIPMAPLEVEL));
224	AssertReturn(pSurface->pMipmapLevels, VERR_NO_MEMORY);
225
226	for (uint32_t i=0; i < cMipLevels; i++)
227	pSurface->pMipmapLevels[i].size = paMipLevelSizes[i];
228
229	pSurface->cbBlock = vmsvga3dSurfaceFormatSize(format);
230	AssertReturn(pSurface->cbBlock, VERR_INVALID_PARAMETER);
231
232	#ifdef VMSVGA3D_DIRECT3D
233	/* Translate the format and usage flags to D3D. */
234	pSurface->formatD3D = vmsvga3dSurfaceFormat2D3D(format);
235	pSurface->multiSampleTypeD3D= vmsvga3dMultipeSampleCount2D3D(multisampleCount);
236	pSurface->fUsageD3D = 0;
237	if (surfaceFlags & SVGA3D_SURFACE_HINT_DYNAMIC)
238	pSurface->fUsageD3D \|= D3DUSAGE_DYNAMIC;
239	if (surfaceFlags & SVGA3D_SURFACE_HINT_RENDERTARGET)
240	pSurface->fUsageD3D \|= D3DUSAGE_RENDERTARGET;
241	if (surfaceFlags & SVGA3D_SURFACE_HINT_DEPTHSTENCIL)
242	pSurface->fUsageD3D \|= D3DUSAGE_DEPTHSTENCIL;
243	if (surfaceFlags & SVGA3D_SURFACE_HINT_WRITEONLY)
244	pSurface->fUsageD3D \|= D3DUSAGE_WRITEONLY;
245	if (surfaceFlags & SVGA3D_SURFACE_AUTOGENMIPMAPS)
246	pSurface->fUsageD3D \|= D3DUSAGE_AUTOGENMIPMAP;
247	pSurface->fu32ActualUsageFlags = 0;
248	#else
249	vmsvga3dSurfaceFormat2OGL(pSurface, format);
250	#endif
251
252	switch (surfaceFlags & (SVGA3D_SURFACE_HINT_INDEXBUFFER \| SVGA3D_SURFACE_HINT_VERTEXBUFFER \| SVGA3D_SURFACE_HINT_TEXTURE \| SVGA3D_SURFACE_HINT_RENDERTARGET \| SVGA3D_SURFACE_HINT_DEPTHSTENCIL \| SVGA3D_SURFACE_CUBEMAP))
253	{
254	case SVGA3D_SURFACE_CUBEMAP:
255	Log(("SVGA3D_SURFACE_CUBEMAP\n"));
256	break;
257
258	case SVGA3D_SURFACE_HINT_INDEXBUFFER:
259	Log(("SVGA3D_SURFACE_HINT_INDEXBUFFER\n"));
260	/* else type unknown at this time; postpone buffer creation */
261	break;
262
263	case SVGA3D_SURFACE_HINT_VERTEXBUFFER:
264	Log(("SVGA3D_SURFACE_HINT_VERTEXBUFFER\n"));
265	/* Type unknown at this time; postpone buffer creation */
266	break;
267
268	case SVGA3D_SURFACE_HINT_TEXTURE:
269	Log(("SVGA3D_SURFACE_HINT_TEXTURE\n"));
270	break;
271
272	case SVGA3D_SURFACE_HINT_RENDERTARGET:
273	Log(("SVGA3D_SURFACE_HINT_RENDERTARGET\n"));
274	break;
275
276	case SVGA3D_SURFACE_HINT_DEPTHSTENCIL:
277	Log(("SVGA3D_SURFACE_HINT_DEPTHSTENCIL\n"));
278	break;
279
280	default:
281	/* Unknown; decide later. */
282	break;
283	}
284
285	Assert(!VMSVGA3DSURFACE_HAS_HW_SURFACE(pSurface));
286
287	/* Allocate buffer to hold the surface data until we can move it into a D3D object */
288	uint32_t cbMemRemaining = SVGA3D_MAX_SURFACE_MEM_SIZE; /* Do not allow more than this for a surface. */
289	for (uint32_t i = 0; i < cMipLevels; ++i)
290	{
291	PVMSVGA3DMIPMAPLEVEL pMipmapLevel = &pSurface->pMipmapLevels[i];
292	LogFunc(("[%d] face %d mip level %d (%d,%d,%d) cbBlock=0x%x\n",
293	i, i / pSurface->faces[0].numMipLevels, i % pSurface->faces[0].numMipLevels,
294	pMipmapLevel->size.width, pMipmapLevel->size.height, pMipmapLevel->size.depth, pSurface->cbBlock));
295
296	if ( pMipmapLevel->size.width == 0
297	\|\| pMipmapLevel->size.height == 0
298	\|\| pMipmapLevel->size.depth == 0)
299	return VERR_INVALID_PARAMETER;
300
301	const uint32_t cMaxWidth = cbMemRemaining / pSurface->cbBlock;
302	if (pMipmapLevel->size.width > cMaxWidth)
303	return VERR_INVALID_PARAMETER;
304	const uint32_t cbSurfacePitch = pSurface->cbBlock * pMipmapLevel->size.width;
305	LogFunc(("cbPitch=0x%x\n", cbSurfacePitch));
306
307	const uint32_t cMaxHeight = cbMemRemaining / cbSurfacePitch;
308	if (pMipmapLevel->size.height > cMaxHeight)
309	return VERR_INVALID_PARAMETER;
310	const uint32_t cbSurfacePlane = cbSurfacePitch * pMipmapLevel->size.height;
311
312	const uint32_t cMaxDepth = cbMemRemaining / cbSurfacePlane;
313	if (pMipmapLevel->size.depth > cMaxDepth)
314	return VERR_INVALID_PARAMETER;
315	const uint32_t cbSurface = cbSurfacePlane * pMipmapLevel->size.depth;
316
317	pMipmapLevel->cbSurfacePitch = cbSurfacePitch;
318	pMipmapLevel->cbSurface = cbSurface;
319	pMipmapLevel->pSurfaceData = RTMemAllocZ(cbSurface);
320	AssertReturn(pMipmapLevel->pSurfaceData, VERR_NO_MEMORY);
321
322	cbMemRemaining -= cbSurface;
323	}
324	return VINF_SUCCESS;
325	}
326
327
328	/**
329	* Implements the SVGA_3D_CMD_SURFACE_DESTROY command (fifo).
330	*
331	* @returns VBox status code (currently ignored).
332	* @param pThis The VGA device instance data.
333	* @param sid The ID of the surface to destroy.
334	*/
335	int vmsvga3dSurfaceDestroy(PVGASTATE pThis, uint32_t sid)
336	{
337	PVMSVGA3DSTATE pState = pThis->svga.p3dState;
338	AssertReturn(pState, VERR_NO_MEMORY);
339
340	if ( sid < pState->cSurfaces
341	&& pState->papSurfaces[sid]->id == sid)
342	{
343	PVMSVGA3DSURFACE pSurface = pState->papSurfaces[sid];
344
345	Log(("vmsvga3dSurfaceDestroy id %x\n", sid));
346
347	/* Check all contexts if this surface is used as a render target or active texture. */
348	for (uint32_t cid = 0; cid < pState->cContexts; cid++)
349	{
350	PVMSVGA3DCONTEXT pContext = pState->papContexts[cid];
351	if (pContext->id == cid)
352	{
353	for (uint32_t i = 0; i < RT_ELEMENTS(pContext->aSidActiveTexture); i++)
354	if (pContext->aSidActiveTexture[i] == sid)
355	pContext->aSidActiveTexture[i] = SVGA3D_INVALID_ID;
356	if (pContext->sidRenderTarget == sid)
357	pContext->sidRenderTarget = SVGA3D_INVALID_ID;
358	}
359	}
360
361	vmsvga3dBackSurfaceDestroy(pState, pSurface);
362
363	if (pSurface->pMipmapLevels)
364	{
365	for (uint32_t i = 0; i < pSurface->cMipmapLevels; ++i)
366	RTMemFree(pSurface->pMipmapLevels[i].pSurfaceData);
367	RTMemFree(pSurface->pMipmapLevels);
368	}
369
370	memset(pSurface, 0, sizeof(*pSurface));
371	pSurface->id = SVGA3D_INVALID_ID;
372	}
373	else
374	AssertFailedReturn(VERR_INVALID_PARAMETER);
375
376	return VINF_SUCCESS;
377	}
378
379
380	/**
381	* Implements the SVGA_3D_CMD_SURFACE_STRETCHBLT command (fifo).
382	*
383	* @returns VBox status code (currently ignored).
384	* @param pThis The VGA device instance data.
385	* @param pDstSfcImg
386	* @param pDstBox
387	* @param pSrcSfcImg
388	* @param pSrcBox
389	* @param enmMode
390	*/
391	int vmsvga3dSurfaceStretchBlt(PVGASTATE pThis, SVGA3dSurfaceImageId const pDstSfcImg, SVGA3dBox const pDstBox,
392	SVGA3dSurfaceImageId const pSrcSfcImg, SVGA3dBox const pSrcBox, SVGA3dStretchBltMode enmMode)
393	{
394	PVMSVGA3DSTATE pState = pThis->svga.p3dState;
395
396	AssertReturn(pState, VERR_NO_MEMORY);
397
398	uint32_t const sidSrc = pSrcSfcImg->sid;
399	Assert(sidSrc < SVGA3D_MAX_SURFACE_IDS);
400	AssertReturn(sidSrc < pState->cSurfaces, VERR_INVALID_PARAMETER);
401	PVMSVGA3DSURFACE pSrcSurface = pState->papSurfaces[sidSrc];
402	AssertReturn(pSrcSurface && pSrcSurface->id == sidSrc, VERR_INVALID_PARAMETER);
403
404	uint32_t const sidDst = pDstSfcImg->sid;
405	Assert(sidDst < SVGA3D_MAX_SURFACE_IDS);
406	AssertReturn(sidDst < pState->cSurfaces, VERR_INVALID_PARAMETER);
407	PVMSVGA3DSURFACE pDstSurface = pState->papSurfaces[sidDst];
408	AssertReturn(pDstSurface && pDstSurface->id == sidDst, VERR_INVALID_PARAMETER);
409
410	Assert(pSrcSfcImg->face == 0);
411	AssertReturn(pSrcSfcImg->mipmap < pSrcSurface->faces[0].numMipLevels, VERR_INVALID_PARAMETER);
412	Assert(pDstSfcImg->face == 0);
413	AssertReturn(pDstSfcImg->mipmap < pDstSurface->faces[0].numMipLevels, VERR_INVALID_PARAMETER);
414
415	PVMSVGA3DCONTEXT pContext;
416	#ifdef VMSVGA3D_OPENGL
417	Log(("vmsvga3dSurfaceStretchBlt: src sid=%x (%d,%d)(%d,%d) dest sid=%x (%d,%d)(%d,%d) mode=%x\n",
418	sidSrc, pSrcBox->x, pSrcBox->y, pSrcBox->x + pSrcBox->w, pSrcBox->y + pSrcBox->h,
419	sidDst, pDstBox->x, pDstBox->y, pDstBox->x + pDstBox->w, pDstBox->y + pDstBox->h, enmMode));
420	pContext = &pState->SharedCtx;
421	VMSVGA3D_SET_CURRENT_CONTEXT(pState, pContext);
422	#else
423	Log(("vmsvga3dSurfaceStretchBlt: src sid=%x cid=%x (%d,%d)(%d,%d) dest sid=%x cid=%x (%d,%d)(%d,%d) mode=%x\n",
424	sidSrc, pSrcSurface->idAssociatedContext, pSrcBox->x, pSrcBox->y, pSrcBox->x + pSrcBox->w, pSrcBox->y + pSrcBox->h,
425	sidDst, pDstSurface->idAssociatedContext, pDstBox->x, pDstBox->y, pDstBox->x + pDstBox->w, pDstBox->y + pDstBox->h, enmMode));
426
427	/** @todo stricter checks for associated context */
428	uint32_t cid = pDstSurface->idAssociatedContext;
429	if (cid == SVGA3D_INVALID_ID)
430	cid = pSrcSurface->idAssociatedContext;
431
432	if ( cid >= pState->cContexts
433	\|\| pState->papContexts[cid]->id != cid)
434	{
435	Log(("vmsvga3dSurfaceStretchBlt invalid context id!\n"));
436	AssertFailedReturn(VERR_INVALID_PARAMETER);
437	}
438	pContext = pState->papContexts[cid];
439	#endif
440
441	int rc;
442	if (!VMSVGA3DSURFACE_HAS_HW_SURFACE(pSrcSurface))
443	{
444	/* Unknown surface type; turn it into a texture, which can be used for other purposes too. */
445	Log(("vmsvga3dSurfaceStretchBlt: unknown src surface id=%x type=%d format=%d -> create texture\n", sidSrc, pSrcSurface->flags, pSrcSurface->format));
446	rc = vmsvga3dBackCreateTexture(pState, pContext, pContext->id, pSrcSurface);
447	AssertRCReturn(rc, rc);
448	}
449
450	if (!VMSVGA3DSURFACE_HAS_HW_SURFACE(pDstSurface))
451	{
452	/* Unknown surface type; turn it into a texture, which can be used for other purposes too. */
453	Log(("vmsvga3dSurfaceStretchBlt: unknown dest surface id=%x type=%d format=%d -> create texture\n", sidDst, pDstSurface->flags, pDstSurface->format));
454	rc = vmsvga3dBackCreateTexture(pState, pContext, pContext->id, pDstSurface);
455	AssertRCReturn(rc, rc);
456	}
457
458	SVGA3dBox clipSrcBox = *pSrcBox;
459	SVGA3dBox clipDstBox = *pDstBox;
460	vmsvgaClipBox(&pSrcSurface->pMipmapLevels[pSrcSfcImg->mipmap].size, &clipSrcBox);
461	vmsvgaClipBox(&pDstSurface->pMipmapLevels[pDstSfcImg->mipmap].size, &clipDstBox);
462
463	return vmsvga3dBackSurfaceStretchBlt(pThis, pState,
464	pDstSurface, pDstSfcImg->mipmap, &clipDstBox,
465	pSrcSurface, pSrcSfcImg->mipmap, &clipSrcBox,
466	enmMode, pContext);
467	}
468
469
470
471	/**
472	* Implements the SVGA_3D_CMD_SURFACE_DMA command (fifo).
473	*
474	* @returns VBox status code (currently ignored).
475	* @param pThis The VGA device instance data.
476	* @param guest .
477	* @param host .
478	* @param transfer .
479	* @param cCopyBoxes .
480	* @param paBoxes .
481	*/
482	int vmsvga3dSurfaceDMA(PVGASTATE pThis, SVGA3dGuestImage guest, SVGA3dSurfaceImageId host, SVGA3dTransferType transfer,
483	uint32_t cCopyBoxes, SVGA3dCopyBox *paBoxes)
484	{
485	int rc = VINF_SUCCESS;
486
487	PVMSVGA3DSTATE pState = pThis->svga.p3dState;
488	AssertReturn(pState, VERR_NO_MEMORY);
489
490	uint32_t sid = host.sid;
491	Assert(sid < SVGA3D_MAX_SURFACE_IDS);
492	AssertReturn(sid < pState->cSurfaces, VERR_INVALID_PARAMETER);
493	PVMSVGA3DSURFACE pSurface = pState->papSurfaces[sid];
494	AssertReturn(pSurface && pSurface->id == sid, VERR_INVALID_PARAMETER);
495
496	if (pSurface->flags & SVGA3D_SURFACE_HINT_TEXTURE)
497	Log(("vmsvga3dSurfaceDMA TEXTURE guestptr gmr=%x offset=%x pitch=%x host sid=%x face=%d mipmap=%d transfer=%s cCopyBoxes=%d\n", guest.ptr.gmrId, guest.ptr.offset, guest.pitch, host.sid, host.face, host.mipmap, (transfer == SVGA3D_WRITE_HOST_VRAM) ? "READ" : "WRITE", cCopyBoxes));
498	else
499	Log(("vmsvga3dSurfaceDMA guestptr gmr=%x offset=%x pitch=%x host sid=%x face=%d mipmap=%d transfer=%s cCopyBoxes=%d\n", guest.ptr.gmrId, guest.ptr.offset, guest.pitch, host.sid, host.face, host.mipmap, (transfer == SVGA3D_WRITE_HOST_VRAM) ? "READ" : "WRITE", cCopyBoxes));
500
501	AssertMsg(host.face == 0, ("host.face=%#x\n", host.face));
502	AssertMsgReturn(pSurface->faces[0].numMipLevels > host.mipmap, ("numMipLevels %d, host.mipmap %d", pSurface->faces[0].numMipLevels, host.mipmap), VERR_INVALID_PARAMETER);
503	PVMSVGA3DMIPMAPLEVEL pMipLevel = &pSurface->pMipmapLevels[host.mipmap];
504
505	if (!VMSVGA3DSURFACE_HAS_HW_SURFACE(pSurface))
506	{
507	/*
508	* Not realized in host hardware/library yet, we have to work with
509	* the copy of the data we've got in VMSVGA3DMIMAPLEVEL::pvSurfaceData.
510	*/
511	AssertReturn(pSurface->pMipmapLevels[host.mipmap].pSurfaceData, VERR_INTERNAL_ERROR);
512
513	for (unsigned i = 0; i < cCopyBoxes; i++)
514	{
515	unsigned uDestOffset;
516	unsigned cbSrcPitch;
517	uint8_t *pBufferStart;
518
519	Log(("Copy box %d (%d,%d,%d)(%d,%d,%d) dest (%d,%d)\n", 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));
520
521	/* Apparently we're supposed to clip it (gmr test sample) */
522	SVGA3dCopyBox clipBox = paBoxes[i];
523	vmsvgaClipCopyBox(&pMipLevel->size, &pMipLevel->size, &clipBox);
524	if ( !clipBox.w
525	\|\| !clipBox.h
526	\|\| !clipBox.d)
527	{
528	Log(("Empty box; skip\n"));
529	continue;
530	}
531
532	uDestOffset = clipBox.x * pSurface->cbBlock + clipBox.y * pMipLevel->cbSurfacePitch + clipBox.z * pMipLevel->size.height * pMipLevel->cbSurfacePitch;
533	AssertReturn(uDestOffset + clipBox.w * pSurface->cbBlock * clipBox.h * clipBox.d <= pMipLevel->cbSurface, VERR_INTERNAL_ERROR);
534
535	cbSrcPitch = (guest.pitch == 0) ? clipBox.w * pSurface->cbBlock : guest.pitch;
536	#ifdef MANUAL_FLIP_SURFACE_DATA
537	pBufferStart = (uint8_t *)pMipLevel->pSurfaceData
538	+ clipBox.x * pSurface->cbBlock
539	+ pMipLevel->cbSurface - clipBox.y * pMipLevel->cbSurfacePitch
540	- pMipLevel->cbSurfacePitch; /* flip image during copy */
541	#else
542	pBufferStart = (uint8_t *)pMipLevel->pSurfaceData + uDestOffset;
543	#endif
544	rc = vmsvgaGMRTransfer(pThis,
545	transfer,
546	pBufferStart,
547	#ifdef MANUAL_FLIP_SURFACE_DATA
548	-(int32_t)pMipLevel->cbSurfacePitch,
549	#else
550	(int32_t)pMipLevel->cbSurfacePitch,
551	#endif
552	guest.ptr,
553	clipBox.srcx * pSurface->cbBlock + (clipBox.srcy + clipBox.srcz * clipBox.h) * cbSrcPitch,
554	cbSrcPitch,
555	clipBox.w * pSurface->cbBlock,
556	clipBox.d * clipBox.h);
557
558	Log4(("first line:\n%.*Rhxd\n", pMipLevel->cbSurfacePitch, pMipLevel->pSurfaceData));
559
560	AssertRC(rc);
561	}
562	pSurface->pMipmapLevels[host.mipmap].fDirty = true;
563	pSurface->fDirty = true;
564	}
565	else
566	{
567	/*
568	* Because of the clipping below, we're doing a little more
569	* here before calling the backend specific code.
570	*/
571	#ifdef VMSVGA3D_DIRECT3D
572	/* Flush the drawing pipeline for this surface as it could be used in a shared context. */
573	vmsvga3dSurfaceFlush(pThis, pSurface);
574	PVMSVGA3DCONTEXT pContext = NULL;
575
576	#else /* VMSVGA3D_OPENGL */
577	PVMSVGA3DCONTEXT pContext = &pState->SharedCtx;
578	VMSVGA3D_SET_CURRENT_CONTEXT(pState, pContext);
579	#endif
580
581	for (unsigned i = 0; i < cCopyBoxes; i++)
582	{
583	Log(("Copy box %d (%d,%d,%d)(%d,%d,%d) dest (%d,%d)\n", 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));
584
585	/** @todo Is d == 0 valid? */
586	Assert((paBoxes[i].d == 1 \|\| paBoxes[i].d == 0) && paBoxes[i].z == 0);
587
588	/* Apparently we're supposed to clip it (gmr test sample) */
589	SVGA3dCopyBox clipBox = paBoxes[i];
590	vmsvgaClipCopyBox(&pMipLevel->size, &pMipLevel->size, &clipBox);
591	if ( !clipBox.w
592	\|\| !clipBox.h
593	\|\| !clipBox.d)
594	{
595	Log(("Empty box; skip\n"));
596	continue;
597	}
598
599	uint32_t cbSrcPitch = (guest.pitch == 0) ? clipBox.w * pSurface->cbBlock : guest.pitch;
600	rc = vmsvga3dBackSurfaceDMACopyBox(pThis, pState, pSurface, host.mipmap, guest.ptr, cbSrcPitch, transfer,
601	&clipBox, pContext, rc, i);
602	}
603	}
604
605	return rc;
606	}
607

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source: vbox/trunk/src/VBox/Devices/Graphics/DevVGA-SVGA3d.cpp@ 69052

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