state_snapshot.c revision bff361262f6f9bda1094fc5f754259b8e0404718
/* $Id$ */
/** @file
* VBox Context state saving/loading used by VM snapshot
*/
/*
* Copyright (C) 2008-2013 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*/
#include "state.h"
#include "state_internals.h"
#include "state/cr_statetypes.h"
#include "state/cr_texture.h"
#include "cr_mem.h"
#include "cr_string.h"
#include "cr_pixeldata.h"
#include <stdio.h>
#include <iprt/assert.h>
#include <iprt/types.h>
#include <iprt/err.h>
#include <VBox/err.h>
/* @todo
* We have two ways of saving/loading states.
*
* First which is being used atm, just pure saving/loading of structures.
* The drawback is we have to deal with all the pointers around those structures,
* we'd have to update this code if we'd change state tracking.
* On the bright side it's fast, though it's not really needed as it's not that often operation.
* It could also worth to split those functions into appropriate parts,
* similar to the way context creation is being done.
*
* Second way would be to implement full dispatch api table and substitute diff_api during saving/loading.
* Then if we implement that api in a similar way to packer/unpacker with a change to store/load
* via provided pSSM handle instead of pack buffer,
* saving state could be done by simple diffing against empty "dummy" context.
* Restoring state in such case would look like unpacking commands from pSSM instead of network buffer.
* This would be slower (who cares) but most likely will not require any code changes to support in future.
* We will reduce amount of saved data as we'd save only changed state parts, but I doubt it'd be that much.
* It could be done for the first way as well, but requires tons of bit checks.
*/
static int32_t crStateAllocAndSSMR3GetMem(PSSMHANDLE pSSM, void **pBuffer, size_t cbBuffer)
{
CRASSERT(pSSM && pBuffer && cbBuffer>0);
*pBuffer = crAlloc(cbBuffer);
if (!*pBuffer)
return VERR_NO_MEMORY;
return SSMR3GetMem(pSSM, *pBuffer, cbBuffer);
}
#define SHCROGL_GET_STRUCT_PART(_pPtr, _type, _from, _to) do { \
rc = SSMR3GetMem(pSSM, &(_pPtr)->_from, RT_OFFSETOF(_type, _to) - RT_OFFSETOF(_type, _from)); \
AssertRCReturn(rc, rc); \
} while (0)
#define SHCROGL_GET_STRUCT_TAIL(_pPtr, _type, _from) do { \
rc = SSMR3GetMem(pSSM, &(_pPtr)->_from, sizeof (_type) - RT_OFFSETOF(_type, _from)); \
AssertRCReturn(rc, rc); \
} while (0)
#define SHCROGL_GET_STRUCT_HEAD(_pPtr, _type, _to) do { \
rc = SSMR3GetMem(pSSM, (_pPtr), RT_OFFSETOF(_type, _to)); \
AssertRCReturn(rc, rc); \
} while (0)
#define SHCROGL_CUT_FIELD_ALIGNMENT_SIZE(_type, _prevField, _field) (RT_OFFSETOF(_type, _field) - RT_OFFSETOF(_type, _prevField) - RT_SIZEOFMEMB(_type, _prevField))
#define SHCROGL_CUT_FIELD_ALIGNMENT(_type, _prevField, _field) do { \
const int32_t cbAlignment = SHCROGL_CUT_FIELD_ALIGNMENT_SIZE(_type, _prevField, _field) ; \
/*AssertCompile(SHCROGL_CUT_FIELD_ALIGNMENT_SIZE(_type, _prevField, _field) >= 0 && SHCROGL_CUT_FIELD_ALIGNMENT_SIZE(_type, _prevField, _field) < sizeof (void*));*/ \
if (cbAlignment) { \
rc = SSMR3Skip(pSSM, cbAlignment); \
} \
} while (0)
#define SHCROGL_ROUNDBOUND(_v, _b) (((_v) + ((_b) - 1)) & ~((_b) - 1))
#define SHCROGL_ALIGNTAILSIZE(_v, _b) (SHCROGL_ROUNDBOUND((_v),(_b)) - (_v))
#define SHCROGL_CUT_FOR_OLD_TYPE_TO_ENSURE_ALIGNMENT_SIZE(_type, _field, _oldFieldType, _nextFieldAllignment) (SHCROGL_ALIGNTAILSIZE(((RT_OFFSETOF(_type, _field) + sizeof (_oldFieldType))), (_nextFieldAllignment)))
#define SHCROGL_CUT_FOR_OLD_TYPE_TO_ENSURE_ALIGNMENT(_type, _field, _oldFieldType, _nextFieldAllignment) do { \
const int32_t cbAlignment = SHCROGL_CUT_FOR_OLD_TYPE_TO_ENSURE_ALIGNMENT_SIZE(_type, _field, _oldFieldType, _nextFieldAllignment); \
/*AssertCompile(SHCROGL_CUT_TAIL_ALIGNMENT_SIZE(_type, _lastField) >= 0 && SHCROGL_CUT_TAIL_ALIGNMENT_SIZE(_type, _lastField) < sizeof (void*));*/ \
if (cbAlignment) { \
rc = SSMR3Skip(pSSM, cbAlignment); \
} \
} while (0)
#define SHCROGL_CUT_TAIL_ALIGNMENT_SIZE(_type, _lastField) (sizeof (_type) - RT_OFFSETOF(_type, _lastField) - RT_SIZEOFMEMB(_type, _lastField))
#define SHCROGL_CUT_TAIL_ALIGNMENT(_type, _lastField) do { \
const int32_t cbAlignment = SHCROGL_CUT_TAIL_ALIGNMENT_SIZE(_type, _lastField); \
/*AssertCompile(SHCROGL_CUT_TAIL_ALIGNMENT_SIZE(_type, _lastField) >= 0 && SHCROGL_CUT_TAIL_ALIGNMENT_SIZE(_type, _lastField) < sizeof (void*));*/ \
if (cbAlignment) { \
rc = SSMR3Skip(pSSM, cbAlignment); \
} \
} while (0)
static int32_t crStateLoadTextureObj_v_BEFORE_CTXUSAGE_BITS(CRTextureObj *pTexture, PSSMHANDLE pSSM)
{
int32_t rc;
uint32_t cbObj = RT_OFFSETOF(CRTextureObj, ctxUsage);
cbObj = ((cbObj + sizeof (void*) - 1) & ~(sizeof (void*) - 1));
rc = SSMR3GetMem(pSSM, pTexture, cbObj);
AssertRCReturn(rc, rc);
/* just make all bits are used so that we fall back to the pre-ctxUsage behavior,
* i.e. all shared resources will be destructed on last shared context termination */
FILLDIRTY(pTexture->ctxUsage);
return rc;
}
static int32_t crStateLoadTextureUnit_v_BEFORE_CTXUSAGE_BITS(CRTextureUnit *t, PSSMHANDLE pSSM)
{
int32_t rc;
SHCROGL_GET_STRUCT_HEAD(t, CRTextureUnit, Saved1D);
rc = crStateLoadTextureObj_v_BEFORE_CTXUSAGE_BITS(&t->Saved1D, pSSM);
AssertRCReturn(rc, rc);
SHCROGL_CUT_FIELD_ALIGNMENT(CRTextureUnit, Saved1D, Saved2D);
rc = crStateLoadTextureObj_v_BEFORE_CTXUSAGE_BITS(&t->Saved2D, pSSM);
AssertRCReturn(rc, rc);
SHCROGL_CUT_FIELD_ALIGNMENT(CRTextureUnit, Saved2D, Saved3D);
rc = crStateLoadTextureObj_v_BEFORE_CTXUSAGE_BITS(&t->Saved3D, pSSM);
AssertRCReturn(rc, rc);
#ifdef CR_ARB_texture_cube_map
SHCROGL_CUT_FIELD_ALIGNMENT(CRTextureUnit, Saved3D, SavedCubeMap);
rc = crStateLoadTextureObj_v_BEFORE_CTXUSAGE_BITS(&t->SavedCubeMap, pSSM);
AssertRCReturn(rc, rc);
# define SHCROGL_INTERNAL_LAST_FIELD SavedCubeMap
#else
# define SHCROGL_INTERNAL_LAST_FIELD Saved3D
#endif
#ifdef CR_NV_texture_rectangle
SHCROGL_CUT_FIELD_ALIGNMENT(CRTextureUnit, SHCROGL_INTERNAL_LAST_FIELD, SavedRect);
rc = crStateLoadTextureObj_v_BEFORE_CTXUSAGE_BITS(&t->SavedRect, pSSM);
AssertRCReturn(rc, rc);
# undef SHCROGL_INTERNAL_LAST_FIELD
# define SHCROGL_INTERNAL_LAST_FIELD SavedRect
#endif
SHCROGL_CUT_TAIL_ALIGNMENT(CRTextureUnit, SHCROGL_INTERNAL_LAST_FIELD);
#undef SHCROGL_INTERNAL_LAST_FIELD
return rc;
}
static int crStateLoadStencilPoint_v_37(CRPointState *pPoint, PSSMHANDLE pSSM)
{
int rc = VINF_SUCCESS;
SHCROGL_GET_STRUCT_HEAD(pPoint, CRPointState, spriteCoordOrigin);
pPoint->spriteCoordOrigin = (GLfloat)GL_UPPER_LEFT;
return rc;
}
static int32_t crStateLoadStencilState_v_33(CRStencilState *s, PSSMHANDLE pSSM)
{
CRStencilState_v_33 stencilV33;
int32_t rc = SSMR3GetMem(pSSM, &stencilV33, sizeof (stencilV33));
AssertRCReturn(rc, rc);
s->stencilTest = stencilV33.stencilTest;
s->stencilTwoSideEXT = GL_FALSE;
s->activeStencilFace = GL_FRONT;
s->clearValue = stencilV33.clearValue;
s->writeMask = stencilV33.writeMask;
s->buffers[CRSTATE_STENCIL_BUFFER_ID_FRONT].func = stencilV33.func;
s->buffers[CRSTATE_STENCIL_BUFFER_ID_FRONT].mask = stencilV33.mask;
s->buffers[CRSTATE_STENCIL_BUFFER_ID_FRONT].ref = stencilV33.ref;
s->buffers[CRSTATE_STENCIL_BUFFER_ID_FRONT].fail = stencilV33.fail;
s->buffers[CRSTATE_STENCIL_BUFFER_ID_FRONT].passDepthFail = stencilV33.passDepthFail;
s->buffers[CRSTATE_STENCIL_BUFFER_ID_FRONT].passDepthPass = stencilV33.passDepthPass;
s->buffers[CRSTATE_STENCIL_BUFFER_ID_BACK] = s->buffers[CRSTATE_STENCIL_BUFFER_ID_FRONT];
crStateStencilBufferInit(&s->buffers[CRSTATE_STENCIL_BUFFER_ID_TWO_SIDE_BACK]);
return VINF_SUCCESS;
}
static int32_t crStateLoadTextureState_v_BEFORE_CTXUSAGE_BITS(CRTextureState *t, PSSMHANDLE pSSM)
{
GLint i;
int32_t rc = crStateLoadTextureObj_v_BEFORE_CTXUSAGE_BITS(&t->base1D, pSSM);
AssertRCReturn(rc, rc);
SHCROGL_CUT_FIELD_ALIGNMENT(CRTextureState, base1D, base2D);
rc = crStateLoadTextureObj_v_BEFORE_CTXUSAGE_BITS(&t->base2D, pSSM);
AssertRCReturn(rc, rc);
rc = crStateLoadTextureObj_v_BEFORE_CTXUSAGE_BITS(&t->base3D, pSSM);
SHCROGL_CUT_FIELD_ALIGNMENT(CRTextureState, base2D, base3D);
AssertRCReturn(rc, rc);
#ifdef CR_ARB_texture_cube_map
SHCROGL_CUT_FIELD_ALIGNMENT(CRTextureState, base3D, baseCubeMap);
rc = crStateLoadTextureObj_v_BEFORE_CTXUSAGE_BITS(&t->baseCubeMap, pSSM);
AssertRCReturn(rc, rc);
# define SHCROGL_INTERNAL_LAST_FIELD baseCubeMap
#else
# define SHCROGL_INTERNAL_LAST_FIELD base3D
#endif
#ifdef CR_NV_texture_rectangle
SHCROGL_CUT_FIELD_ALIGNMENT(CRTextureState, SHCROGL_INTERNAL_LAST_FIELD, baseRect);
rc = crStateLoadTextureObj_v_BEFORE_CTXUSAGE_BITS(&t->baseRect, pSSM);
AssertRCReturn(rc, rc);
# undef SHCROGL_INTERNAL_LAST_FIELD
# define SHCROGL_INTERNAL_LAST_FIELD baseRect
#endif
SHCROGL_CUT_FIELD_ALIGNMENT(CRTextureState, SHCROGL_INTERNAL_LAST_FIELD, proxy1D);
rc = crStateLoadTextureObj_v_BEFORE_CTXUSAGE_BITS(&t->proxy1D, pSSM);
AssertRCReturn(rc, rc);
#undef SHCROGL_INTERNAL_LAST_FIELD
SHCROGL_CUT_FIELD_ALIGNMENT(CRTextureState, proxy1D, proxy2D);
rc = crStateLoadTextureObj_v_BEFORE_CTXUSAGE_BITS(&t->proxy2D, pSSM);
AssertRCReturn(rc, rc);
SHCROGL_CUT_FIELD_ALIGNMENT(CRTextureState, proxy2D, proxy3D);
rc = crStateLoadTextureObj_v_BEFORE_CTXUSAGE_BITS(&t->proxy3D, pSSM);
AssertRCReturn(rc, rc);
#ifdef CR_ARB_texture_cube_map
SHCROGL_CUT_FIELD_ALIGNMENT(CRTextureState, proxy3D, proxyCubeMap);
rc = crStateLoadTextureObj_v_BEFORE_CTXUSAGE_BITS(&t->proxyCubeMap, pSSM);
AssertRCReturn(rc, rc);
# define SHCROGL_INTERNAL_LAST_FIELD proxyCubeMap
#else
# define SHCROGL_INTERNAL_LAST_FIELD proxy3D
#endif
#ifdef CR_NV_texture_rectangle
SHCROGL_CUT_FIELD_ALIGNMENT(CRTextureState, SHCROGL_INTERNAL_LAST_FIELD, proxyRect);
rc = crStateLoadTextureObj_v_BEFORE_CTXUSAGE_BITS(&t->proxyRect, pSSM);
AssertRCReturn(rc, rc);
# undef SHCROGL_INTERNAL_LAST_FIELD
# define SHCROGL_INTERNAL_LAST_FIELD proxyRect
#endif
SHCROGL_CUT_FIELD_ALIGNMENT(CRTextureState, SHCROGL_INTERNAL_LAST_FIELD, curTextureUnit);
# undef SHCROGL_INTERNAL_LAST_FIELD
SHCROGL_GET_STRUCT_PART(t, CRTextureState, curTextureUnit, unit);
for (i = 0; i < CR_MAX_TEXTURE_UNITS; ++i)
{
rc = crStateLoadTextureUnit_v_BEFORE_CTXUSAGE_BITS(&t->unit[i], pSSM);
AssertRCReturn(rc, rc);
}
SHCROGL_CUT_TAIL_ALIGNMENT(CRTextureState, unit);
return VINF_SUCCESS;
}
static int32_t crStateStencilBufferStack_v_33(CRStencilBufferStack *s, PSSMHANDLE pSSM)
{
CRStencilBufferStack_v_33 stackV33;
int32_t rc = SSMR3GetMem(pSSM, &stackV33, sizeof (stackV33));
s->stencilTest = stackV33.stencilTest;
s->stencilTwoSideEXT = GL_FALSE;
s->activeStencilFace = GL_FRONT;
s->clearValue = stackV33.clearValue;
s->writeMask = stackV33.writeMask;
s->buffers[CRSTATE_STENCIL_BUFFER_ID_FRONT].func = stackV33.func;
s->buffers[CRSTATE_STENCIL_BUFFER_ID_FRONT].mask = stackV33.mask;
s->buffers[CRSTATE_STENCIL_BUFFER_ID_FRONT].ref = stackV33.ref;
s->buffers[CRSTATE_STENCIL_BUFFER_ID_FRONT].fail = stackV33.fail;
s->buffers[CRSTATE_STENCIL_BUFFER_ID_FRONT].passDepthFail = stackV33.passDepthFail;
s->buffers[CRSTATE_STENCIL_BUFFER_ID_FRONT].passDepthPass = stackV33.passDepthPass;
s->buffers[CRSTATE_STENCIL_BUFFER_ID_BACK] = s->buffers[CRSTATE_STENCIL_BUFFER_ID_FRONT];
s->buffers[CRSTATE_STENCIL_BUFFER_ID_TWO_SIDE_BACK].func = GL_ALWAYS;
s->buffers[CRSTATE_STENCIL_BUFFER_ID_TWO_SIDE_BACK].mask = 0xFFFFFFFF;
s->buffers[CRSTATE_STENCIL_BUFFER_ID_TWO_SIDE_BACK].ref = 0;
s->buffers[CRSTATE_STENCIL_BUFFER_ID_TWO_SIDE_BACK].fail = GL_KEEP;
s->buffers[CRSTATE_STENCIL_BUFFER_ID_TWO_SIDE_BACK].passDepthFail = GL_KEEP;
s->buffers[CRSTATE_STENCIL_BUFFER_ID_TWO_SIDE_BACK].passDepthPass = GL_KEEP;
return VINF_SUCCESS;
}
static int32_t crStateLoadAttribState_v_33(CRAttribState *t, PSSMHANDLE pSSM)
{
int32_t i, rc;
SHCROGL_GET_STRUCT_HEAD(t, CRAttribState, stencilBufferStack);
for (i = 0; i < CR_MAX_ATTRIB_STACK_DEPTH; ++i)
{
rc = crStateStencilBufferStack_v_33(&t->stencilBufferStack[i], pSSM);
AssertRCReturn(rc, rc);
}
SHCROGL_GET_STRUCT_TAIL(t, CRAttribState, textureStackDepth);
return rc;
}
static int32_t crStateLoadTextureStack_v_BEFORE_CTXUSAGE_BITS(CRTextureStack *t, PSSMHANDLE pSSM)
{
int32_t i, rc;
SHCROGL_GET_STRUCT_HEAD(t, CRTextureStack, unit);
for (i = 0; i < CR_MAX_TEXTURE_UNITS; ++i)
{
rc = crStateLoadTextureUnit_v_BEFORE_CTXUSAGE_BITS(&t->unit[i], pSSM);
AssertRCReturn(rc, rc);
}
SHCROGL_CUT_TAIL_ALIGNMENT(CRTextureStack, unit);
return rc;
}
static int32_t crStateLoadAttribState_v_BEFORE_CTXUSAGE_BITS(CRAttribState *t, PSSMHANDLE pSSM)
{
int32_t i, rc;
SHCROGL_GET_STRUCT_HEAD(t, CRAttribState, stencilBufferStack);
for (i = 0; i < CR_MAX_ATTRIB_STACK_DEPTH; ++i)
{
rc = crStateStencilBufferStack_v_33(&t->stencilBufferStack[i], pSSM);
AssertRCReturn(rc, rc);
}
SHCROGL_GET_STRUCT_PART(t, CRAttribState, textureStackDepth, textureStack);
for (i = 0; i < CR_MAX_ATTRIB_STACK_DEPTH; ++i)
{
rc = crStateLoadTextureStack_v_BEFORE_CTXUSAGE_BITS(&t->textureStack[i], pSSM);
AssertRCReturn(rc, rc);
}
SHCROGL_GET_STRUCT_TAIL(t, CRAttribState, transformStackDepth);
return rc;
}
static int32_t crStateLoadTextureObj(CRTextureObj *pTexture, PSSMHANDLE pSSM, uint32_t u32Version)
{
int32_t rc;
if (u32Version == SHCROGL_SSM_VERSION_BEFORE_CTXUSAGE_BITS)
return crStateLoadTextureObj_v_BEFORE_CTXUSAGE_BITS(pTexture, pSSM);
rc = SSMR3GetMem(pSSM, pTexture, sizeof (*pTexture));
AssertRCReturn(rc, rc);
return rc;
}
static int32_t crStateLoadBufferObject(CRBufferObject *pBufferObj, PSSMHANDLE pSSM, uint32_t u32Version)
{
int32_t rc;
if (u32Version == SHCROGL_SSM_VERSION_BEFORE_CTXUSAGE_BITS)
{
uint32_t cbObj = RT_OFFSETOF(CRBufferObject, ctxUsage);
cbObj = ((cbObj + sizeof (void*) - 1) & ~(sizeof (void*) - 1));
rc = SSMR3GetMem(pSSM, pBufferObj, cbObj);
AssertRCReturn(rc, rc);
/* just make all bits are used so that we fall back to the pre-ctxUsage behavior,
* i.e. all shared resources will be destructed on last shared context termination */
FILLDIRTY(pBufferObj->ctxUsage);
}
else
{
rc = SSMR3GetMem(pSSM, pBufferObj, sizeof(*pBufferObj));
AssertRCReturn(rc, rc);
}
return rc;
}
static int32_t crStateLoadFramebufferObject(CRFramebufferObject *pFBO, PSSMHANDLE pSSM, uint32_t u32Version)
{
int32_t rc;
if (u32Version == SHCROGL_SSM_VERSION_BEFORE_CTXUSAGE_BITS)
{
uint32_t cbObj = RT_OFFSETOF(CRFramebufferObject, ctxUsage);
cbObj = ((cbObj + sizeof (void*) - 1) & ~(sizeof (void*) - 1));
rc = SSMR3GetMem(pSSM, pFBO, cbObj);
AssertRCReturn(rc, rc);
/* just make all bits are used so that we fall back to the pre-ctxUsage behavior,
* i.e. all shared resources will be destructed on last shared context termination */
FILLDIRTY(pFBO->ctxUsage);
}
else
{
rc = SSMR3GetMem(pSSM, pFBO, sizeof(*pFBO));
AssertRCReturn(rc, rc);
}
return rc;
}
static int32_t crStateLoadRenderbufferObject(CRRenderbufferObject *pRBO, PSSMHANDLE pSSM, uint32_t u32Version)
{
int32_t rc;
if (u32Version == SHCROGL_SSM_VERSION_BEFORE_CTXUSAGE_BITS)
{
uint32_t cbObj = RT_OFFSETOF(CRRenderbufferObject, ctxUsage);
cbObj = ((cbObj + sizeof (void*) - 1) & ~(sizeof (void*) - 1));
rc = SSMR3GetMem(pSSM, pRBO, cbObj);
AssertRCReturn(rc, rc);
/* just make all bits are used so that we fall back to the pre-ctxUsage behavior,
* i.e. all shared resources will be destructed on last shared context termination */
FILLDIRTY(pRBO->ctxUsage);
}
else
{
rc = SSMR3GetMem(pSSM, pRBO, sizeof(*pRBO));
AssertRCReturn(rc, rc);
}
return rc;
}
static int32_t crStateSaveTextureObjData(CRTextureObj *pTexture, PSSMHANDLE pSSM)
{
int32_t rc, face, i;
GLint bound = 0;
CRASSERT(pTexture && pSSM);
crDebug("crStateSaveTextureObjData %u. START", pTexture->id);
for (face = 0; face < 6; face++) {
CRASSERT(pTexture->level[face]);
for (i = 0; i < CR_MAX_MIPMAP_LEVELS; i++) {
CRTextureLevel *ptl = &(pTexture->level[face][i]);
rc = SSMR3PutMem(pSSM, ptl, sizeof(*ptl));
AssertRCReturn(rc, rc);
if (ptl->img)
{
CRASSERT(ptl->bytes);
rc = SSMR3PutMem(pSSM, ptl->img, ptl->bytes);
AssertRCReturn(rc, rc);
}
#ifdef CR_STATE_NO_TEXTURE_IMAGE_STORE
/* Note, this is not a bug.
* Even with CR_STATE_NO_TEXTURE_IMAGE_STORE defined, it's possible that ptl->img!=NULL.
* For ex. we're saving snapshot right after it was loaded
* and some context hasn't been used by the guest application yet
* (pContext->shared->bTexResyncNeeded==GL_TRUE).
*/
else if (ptl->bytes)
{
char *pImg;
GLenum target;
if (!bound)
{
GLenum getEnum;
diff_api.BindTexture(pTexture->target, pTexture->hwid);
bound = 1;
/* osx nvidia drivers seem to have a bug that 1x1 TEXTURE_2D texture becmes inaccessible for some reason
* saw that for 1x1 dummy textures generated by wine
* to avoid crashes we skip texture data save if that is the case */
switch (pTexture->target)
{
case GL_TEXTURE_1D:
getEnum = GL_TEXTURE_BINDING_1D;
break;
case GL_TEXTURE_2D:
getEnum = GL_TEXTURE_BINDING_2D;
break;
case GL_TEXTURE_3D:
getEnum = GL_TEXTURE_BINDING_3D;
break;
case GL_TEXTURE_RECTANGLE_ARB:
getEnum = GL_TEXTURE_BINDING_RECTANGLE_ARB;
break;
case GL_TEXTURE_CUBE_MAP_ARB:
getEnum = GL_TEXTURE_BINDING_CUBE_MAP_ARB;
break;
default:
crWarning("unknown texture target: 0x%x", pTexture->target);
getEnum = 0;
break;
}
if (getEnum)
{
GLint curTex;
diff_api.GetIntegerv(getEnum, &curTex);
if (curTex != pTexture->hwid)
{
crWarning("texture not bound properly: expected %d, but was %d. Texture state data: target(0x%x), id(%d), w(%d), h(%d)",
pTexture->hwid, curTex,
pTexture->target,
pTexture->id,
ptl->width,
ptl->height);
bound = -1;
}
}
}
if (pTexture->target!=GL_TEXTURE_CUBE_MAP_ARB)
{
target = pTexture->target;
}
else
{
target = GL_TEXTURE_CUBE_MAP_POSITIVE_X + face;
}
#ifdef DEBUG
pImg = crAlloc(ptl->bytes+4);
#else
pImg = crAlloc(ptl->bytes);
#endif
if (!pImg) return VERR_NO_MEMORY;
#ifdef DEBUG
*(int*)((char*)pImg+ptl->bytes) = 0xDEADDEAD;
#endif
if (bound > 0)
{
#ifdef DEBUG
{
GLint w,h=0;
crDebug("get image: compressed %i, face %i, level %i, width %i, height %i, bytes %i",
ptl->compressed, face, i, ptl->width, ptl->height, ptl->bytes);
diff_api.GetTexLevelParameteriv(target, i, GL_TEXTURE_WIDTH, &w);
diff_api.GetTexLevelParameteriv(target, i, GL_TEXTURE_HEIGHT, &h);
if (w!=ptl->width || h!=ptl->height)
{
crWarning("!!!tex size mismatch %i, %i!!!", w, h);
}
}
#endif
/*@todo: ugly workaround for crashes inside ati driver,
* they overwrite their own allocated memory in cases where texlevel >=4
and width or height <=2.
*/
if (i<4 || (ptl->width>2 && ptl->height>2))
{
if (!ptl->compressed)
{
diff_api.GetTexImage(target, i, ptl->format, ptl->type, pImg);
}
else
{
diff_api.GetCompressedTexImageARB(target, i, pImg);
}
}
}
else
{
crMemset(pImg, 0, ptl->bytes);
}
#ifdef DEBUG
if (*(int*)((char*)pImg+ptl->bytes) != 0xDEADDEAD)
{
crWarning("Texture is bigger than expected!!!");
}
#endif
rc = SSMR3PutMem(pSSM, pImg, ptl->bytes);
crFree(pImg);
AssertRCReturn(rc, rc);
}
#endif
}
}
crDebug("crStateSaveTextureObjData %u. END", pTexture->id);
return VINF_SUCCESS;
}
static int32_t crStateLoadTextureObjData(CRTextureObj *pTexture, PSSMHANDLE pSSM)
{
int32_t rc, face, i;
CRASSERT(pTexture && pSSM);
for (face = 0; face < 6; face++) {
CRASSERT(pTexture->level[face]);
for (i = 0; i < CR_MAX_MIPMAP_LEVELS; i++) {
CRTextureLevel *ptl = &(pTexture->level[face][i]);
CRASSERT(!ptl->img);
rc = SSMR3GetMem(pSSM, ptl, sizeof(*ptl));
AssertRCReturn(rc, rc);
if (ptl->img)
{
CRASSERT(ptl->bytes);
ptl->img = crAlloc(ptl->bytes);
if (!ptl->img) return VERR_NO_MEMORY;
rc = SSMR3GetMem(pSSM, ptl->img, ptl->bytes);
AssertRCReturn(rc, rc);
}
#ifdef CR_STATE_NO_TEXTURE_IMAGE_STORE
/* Same story as in crStateSaveTextureObjData */
else if (ptl->bytes)
{
ptl->img = crAlloc(ptl->bytes);
if (!ptl->img) return VERR_NO_MEMORY;
rc = SSMR3GetMem(pSSM, ptl->img, ptl->bytes);
AssertRCReturn(rc, rc);
}
#endif
crStateTextureInitTextureFormat(ptl, ptl->internalFormat);
}
}
return VINF_SUCCESS;
}
static void crStateSaveSharedTextureCB(unsigned long key, void *data1, void *data2)
{
CRTextureObj *pTexture = (CRTextureObj *) data1;
PSSMHANDLE pSSM = (PSSMHANDLE) data2;
int32_t rc;
CRASSERT(pTexture && pSSM);
rc = SSMR3PutMem(pSSM, &key, sizeof(key));
CRASSERT(rc == VINF_SUCCESS);
rc = SSMR3PutMem(pSSM, pTexture, sizeof(*pTexture));
CRASSERT(rc == VINF_SUCCESS);
rc = crStateSaveTextureObjData(pTexture, pSSM);
CRASSERT(rc == VINF_SUCCESS);
}
static int32_t crStateSaveMatrixStack(CRMatrixStack *pStack, PSSMHANDLE pSSM)
{
return SSMR3PutMem(pSSM, pStack->stack, sizeof(CRmatrix) * pStack->maxDepth);
}
static int32_t crStateLoadMatrixStack(CRMatrixStack *pStack, PSSMHANDLE pSSM)
{
int32_t rc;
CRASSERT(pStack && pSSM);
rc = SSMR3GetMem(pSSM, pStack->stack, sizeof(CRmatrix) * pStack->maxDepth);
/* fixup stack top pointer */
pStack->top = &pStack->stack[pStack->depth];
return rc;
}
static int32_t crStateSaveTextureObjPtr(CRTextureObj *pTexture, PSSMHANDLE pSSM)
{
/* Current texture pointer can't be NULL for real texture unit states,
* but it could be NULL for unused attribute stack depths.
*/
if (pTexture)
return SSMR3PutU32(pSSM, pTexture->id);
else
return VINF_SUCCESS;
}
static int32_t crStateLoadTextureObjPtr(CRTextureObj **pTexture, CRContext *pContext, GLenum target, PSSMHANDLE pSSM)
{
uint32_t texName;
int32_t rc;
/* We're loading attrib stack with unused state */
if (!*pTexture)
return VINF_SUCCESS;
rc = SSMR3GetU32(pSSM, &texName);
AssertRCReturn(rc, rc);
if (texName)
{
*pTexture = (CRTextureObj *) crHashtableSearch(pContext->shared->textureTable, texName);
}
else
{
switch (target)
{
case GL_TEXTURE_1D:
*pTexture = &(pContext->texture.base1D);
break;
case GL_TEXTURE_2D:
*pTexture = &(pContext->texture.base2D);
break;
#ifdef CR_OPENGL_VERSION_1_2
case GL_TEXTURE_3D:
*pTexture = &(pContext->texture.base3D);
break;
#endif
#ifdef CR_ARB_texture_cube_map
case GL_TEXTURE_CUBE_MAP_ARB:
*pTexture = &(pContext->texture.baseCubeMap);
break;
#endif
#ifdef CR_NV_texture_rectangle
case GL_TEXTURE_RECTANGLE_NV:
*pTexture = &(pContext->texture.baseRect);
break;
#endif
default:
crError("LoadTextureObjPtr: Unknown texture target %d", target);
}
}
return rc;
}
static int32_t crStateSaveTexUnitCurrentTexturePtrs(CRTextureUnit *pTexUnit, PSSMHANDLE pSSM)
{
int32_t rc;
rc = crStateSaveTextureObjPtr(pTexUnit->currentTexture1D, pSSM);
AssertRCReturn(rc, rc);
rc = crStateSaveTextureObjPtr(pTexUnit->currentTexture2D, pSSM);
AssertRCReturn(rc, rc);
rc = crStateSaveTextureObjPtr(pTexUnit->currentTexture3D, pSSM);
AssertRCReturn(rc, rc);
#ifdef CR_ARB_texture_cube_map
rc = crStateSaveTextureObjPtr(pTexUnit->currentTextureCubeMap, pSSM);
AssertRCReturn(rc, rc);
#endif
#ifdef CR_NV_texture_rectangle
rc = crStateSaveTextureObjPtr(pTexUnit->currentTextureRect, pSSM);
AssertRCReturn(rc, rc);
#endif
return rc;
}
static int32_t crStateLoadTexUnitCurrentTexturePtrs(CRTextureUnit *pTexUnit, CRContext *pContext, PSSMHANDLE pSSM)
{
int32_t rc;
rc = crStateLoadTextureObjPtr(&pTexUnit->currentTexture1D, pContext, GL_TEXTURE_1D, pSSM);
AssertRCReturn(rc, rc);
rc = crStateLoadTextureObjPtr(&pTexUnit->currentTexture2D, pContext, GL_TEXTURE_1D, pSSM);
AssertRCReturn(rc, rc);
rc = crStateLoadTextureObjPtr(&pTexUnit->currentTexture3D, pContext, GL_TEXTURE_2D, pSSM);
AssertRCReturn(rc, rc);
#ifdef CR_ARB_texture_cube_map
rc = crStateLoadTextureObjPtr(&pTexUnit->currentTextureCubeMap, pContext, GL_TEXTURE_CUBE_MAP_ARB, pSSM);
AssertRCReturn(rc, rc);
#endif
#ifdef CR_NV_texture_rectangle
rc = crStateLoadTextureObjPtr(&pTexUnit->currentTextureRect, pContext, GL_TEXTURE_RECTANGLE_NV, pSSM);
AssertRCReturn(rc, rc);
#endif
return rc;
}
static int32_t crSateSaveEvalCoeffs1D(CREvaluator1D *pEval, PSSMHANDLE pSSM)
{
int32_t rc, i;
for (i=0; i<GLEVAL_TOT; ++i)
{
if (pEval[i].coeff)
{
rc = SSMR3PutMem(pSSM, pEval[i].coeff, pEval[i].order * gleval_sizes[i] * sizeof(GLfloat));
AssertRCReturn(rc, rc);
}
}
return VINF_SUCCESS;
}
static int32_t crSateSaveEvalCoeffs2D(CREvaluator2D *pEval, PSSMHANDLE pSSM)
{
int32_t rc, i;
for (i=0; i<GLEVAL_TOT; ++i)
{
if (pEval[i].coeff)
{
rc = SSMR3PutMem(pSSM, pEval[i].coeff, pEval[i].uorder * pEval[i].vorder * gleval_sizes[i] * sizeof(GLfloat));
AssertRCReturn(rc, rc);
}
}
return VINF_SUCCESS;
}
static int32_t crSateLoadEvalCoeffs1D(CREvaluator1D *pEval, GLboolean bReallocMem, PSSMHANDLE pSSM)
{
int32_t rc, i;
size_t size;
for (i=0; i<GLEVAL_TOT; ++i)
{
if (pEval[i].coeff)
{
size = pEval[i].order * gleval_sizes[i] * sizeof(GLfloat);
if (bReallocMem)
{
pEval[i].coeff = (GLfloat*) crAlloc(size);
if (!pEval[i].coeff) return VERR_NO_MEMORY;
}
rc = SSMR3GetMem(pSSM, pEval[i].coeff, size);
AssertRCReturn(rc, rc);
}
}
return VINF_SUCCESS;
}
static int32_t crSateLoadEvalCoeffs2D(CREvaluator2D *pEval, GLboolean bReallocMem, PSSMHANDLE pSSM)
{
int32_t rc, i;
size_t size;
for (i=0; i<GLEVAL_TOT; ++i)
{
if (pEval[i].coeff)
{
size = pEval[i].uorder * pEval[i].vorder * gleval_sizes[i] * sizeof(GLfloat);
if (bReallocMem)
{
pEval[i].coeff = (GLfloat*) crAlloc(size);
if (!pEval[i].coeff) return VERR_NO_MEMORY;
}
rc = SSMR3GetMem(pSSM, pEval[i].coeff, size);
AssertRCReturn(rc, rc);
}
}
return VINF_SUCCESS;
}
static void crStateCopyEvalPtrs1D(CREvaluator1D *pDst, CREvaluator1D *pSrc)
{
int32_t i;
for (i=0; i<GLEVAL_TOT; ++i)
pDst[i].coeff = pSrc[i].coeff;
/*
pDst[GL_MAP1_VERTEX_3-GL_MAP1_COLOR_4].coeff = pSrc[GL_MAP1_VERTEX_3-GL_MAP1_COLOR_4].coeff;
pDst[GL_MAP1_VERTEX_4-GL_MAP1_COLOR_4].coeff = pSrc[GL_MAP1_VERTEX_4-GL_MAP1_COLOR_4].coeff;
pDst[GL_MAP1_INDEX-GL_MAP1_COLOR_4].coeff = pSrc[GL_MAP1_INDEX-GL_MAP1_COLOR_4].coeff;
pDst[GL_MAP1_COLOR_4-GL_MAP1_COLOR_4].coeff = pSrc[GL_MAP1_COLOR_4-GL_MAP1_COLOR_4].coeff;
pDst[GL_MAP1_NORMAL-GL_MAP1_COLOR_4].coeff = pSrc[GL_MAP1_NORMAL-GL_MAP1_COLOR_4].coeff;
pDst[GL_MAP1_TEXTURE_COORD_1-GL_MAP1_COLOR_4].coeff = pSrc[GL_MAP1_TEXTURE_COORD_1-GL_MAP1_COLOR_4].coeff;
pDst[GL_MAP1_TEXTURE_COORD_2-GL_MAP1_COLOR_4].coeff = pSrc[GL_MAP1_TEXTURE_COORD_2-GL_MAP1_COLOR_4].coeff;
pDst[GL_MAP1_TEXTURE_COORD_3-GL_MAP1_COLOR_4].coeff = pSrc[GL_MAP1_TEXTURE_COORD_3-GL_MAP1_COLOR_4].coeff;
pDst[GL_MAP1_TEXTURE_COORD_4-GL_MAP1_COLOR_4].coeff = pSrc[GL_MAP1_TEXTURE_COORD_4-GL_MAP1_COLOR_4].coeff;
*/
}
static void crStateCopyEvalPtrs2D(CREvaluator2D *pDst, CREvaluator2D *pSrc)
{
int32_t i;
for (i=0; i<GLEVAL_TOT; ++i)
pDst[i].coeff = pSrc[i].coeff;
/*
pDst[GL_MAP2_VERTEX_3-GL_MAP2_COLOR_4].coeff = pSrc[GL_MAP2_VERTEX_3-GL_MAP2_COLOR_4].coeff;
pDst[GL_MAP2_VERTEX_4-GL_MAP2_COLOR_4].coeff = pSrc[GL_MAP2_VERTEX_4-GL_MAP2_COLOR_4].coeff;
pDst[GL_MAP2_INDEX-GL_MAP2_COLOR_4].coeff = pSrc[GL_MAP2_INDEX-GL_MAP2_COLOR_4].coeff;
pDst[GL_MAP2_COLOR_4-GL_MAP2_COLOR_4].coeff = pSrc[GL_MAP2_COLOR_4-GL_MAP2_COLOR_4].coeff;
pDst[GL_MAP2_NORMAL-GL_MAP2_COLOR_4].coeff = pSrc[GL_MAP2_NORMAL-GL_MAP2_COLOR_4].coeff;
pDst[GL_MAP2_TEXTURE_COORD_1-GL_MAP2_COLOR_4].coeff = pSrc[GL_MAP2_TEXTURE_COORD_1-GL_MAP2_COLOR_4].coeff;
pDst[GL_MAP2_TEXTURE_COORD_2-GL_MAP2_COLOR_4].coeff = pSrc[GL_MAP2_TEXTURE_COORD_2-GL_MAP2_COLOR_4].coeff;
pDst[GL_MAP2_TEXTURE_COORD_3-GL_MAP2_COLOR_4].coeff = pSrc[GL_MAP2_TEXTURE_COORD_3-GL_MAP2_COLOR_4].coeff;
pDst[GL_MAP2_TEXTURE_COORD_4-GL_MAP2_COLOR_4].coeff = pSrc[GL_MAP2_TEXTURE_COORD_4-GL_MAP2_COLOR_4].coeff;
*/
}
static void crStateSaveBufferObjectCB(unsigned long key, void *data1, void *data2)
{
CRBufferObject *pBufferObj = (CRBufferObject *) data1;
PSSMHANDLE pSSM = (PSSMHANDLE) data2;
int32_t rc;
CRASSERT(pBufferObj && pSSM);
rc = SSMR3PutMem(pSSM, &key, sizeof(key));
CRASSERT(rc == VINF_SUCCESS);
rc = SSMR3PutMem(pSSM, pBufferObj, sizeof(*pBufferObj));
CRASSERT(rc == VINF_SUCCESS);
if (pBufferObj->data)
{
/*We could get here even though retainBufferData is false on host side, in case when we're taking snapshot
after state load and before this context was ever made current*/
CRASSERT(pBufferObj->size>0);
rc = SSMR3PutMem(pSSM, pBufferObj->data, pBufferObj->size);
CRASSERT(rc == VINF_SUCCESS);
}
else if (pBufferObj->id!=0 && pBufferObj->size>0)
{
diff_api.BindBufferARB(GL_ARRAY_BUFFER_ARB, pBufferObj->hwid);
pBufferObj->pointer = diff_api.MapBufferARB(GL_ARRAY_BUFFER_ARB, GL_READ_ONLY_ARB);
rc = SSMR3PutMem(pSSM, &pBufferObj->pointer, sizeof(pBufferObj->pointer));
CRASSERT(rc == VINF_SUCCESS);
if (pBufferObj->pointer)
{
rc = SSMR3PutMem(pSSM, pBufferObj->pointer, pBufferObj->size);
CRASSERT(rc == VINF_SUCCESS);
}
diff_api.UnmapBufferARB(GL_ARRAY_BUFFER_ARB);
pBufferObj->pointer = NULL;
}
}
static void crStateSaveProgramCB(unsigned long key, void *data1, void *data2)
{
CRProgram *pProgram = (CRProgram *) data1;
PSSMHANDLE pSSM = (PSSMHANDLE) data2;
CRProgramSymbol *pSymbol;
int32_t rc;
CRASSERT(pProgram && pSSM);
rc = SSMR3PutMem(pSSM, &key, sizeof(key));
CRASSERT(rc == VINF_SUCCESS);
rc = SSMR3PutMem(pSSM, pProgram, sizeof(*pProgram));
CRASSERT(rc == VINF_SUCCESS);
if (pProgram->string)
{
CRASSERT(pProgram->length);
rc = SSMR3PutMem(pSSM, pProgram->string, pProgram->length);
CRASSERT(rc == VINF_SUCCESS);
}
for (pSymbol = pProgram->symbolTable; pSymbol; pSymbol=pSymbol->next)
{
rc = SSMR3PutMem(pSSM, pSymbol, sizeof(*pSymbol));
CRASSERT(rc == VINF_SUCCESS);
if (pSymbol->name)
{
CRASSERT(pSymbol->cbName>0);
rc = SSMR3PutMem(pSSM, pSymbol->name, pSymbol->cbName);
CRASSERT(rc == VINF_SUCCESS);
}
}
}
static void crStateSaveFramebuffersCB(unsigned long key, void *data1, void *data2)
{
CRFramebufferObject *pFBO = (CRFramebufferObject*) data1;
PSSMHANDLE pSSM = (PSSMHANDLE) data2;
int32_t rc;
rc = SSMR3PutMem(pSSM, &key, sizeof(key));
CRASSERT(rc == VINF_SUCCESS);
rc = SSMR3PutMem(pSSM, pFBO, sizeof(*pFBO));
CRASSERT(rc == VINF_SUCCESS);
}
static void crStateSaveRenderbuffersCB(unsigned long key, void *data1, void *data2)
{
CRRenderbufferObject *pRBO = (CRRenderbufferObject*) data1;
PSSMHANDLE pSSM = (PSSMHANDLE) data2;
int32_t rc;
rc = SSMR3PutMem(pSSM, &key, sizeof(key));
CRASSERT(rc == VINF_SUCCESS);
rc = SSMR3PutMem(pSSM, pRBO, sizeof(*pRBO));
CRASSERT(rc == VINF_SUCCESS);
}
static int32_t crStateLoadProgram(CRProgram **ppProgram, PSSMHANDLE pSSM)
{
CRProgramSymbol **ppSymbol;
int32_t rc;
unsigned long key;
rc = SSMR3GetMem(pSSM, &key, sizeof(key));
AssertRCReturn(rc, rc);
/* we're loading default vertex or pixel program*/
if (*ppProgram)
{
if (key!=0) return VERR_SSM_UNEXPECTED_DATA;
}
else
{
*ppProgram = (CRProgram*) crAlloc(sizeof(CRProgram));
if (!ppProgram) return VERR_NO_MEMORY;
if (key==0) return VERR_SSM_UNEXPECTED_DATA;
}
rc = SSMR3GetMem(pSSM, *ppProgram, sizeof(**ppProgram));
AssertRCReturn(rc, rc);
if ((*ppProgram)->string)
{
CRASSERT((*ppProgram)->length);
(*ppProgram)->string = crAlloc((*ppProgram)->length);
if (!(*ppProgram)->string) return VERR_NO_MEMORY;
rc = SSMR3GetMem(pSSM, (void*) (*ppProgram)->string, (*ppProgram)->length);
AssertRCReturn(rc, rc);
}
for (ppSymbol = &(*ppProgram)->symbolTable; *ppSymbol; ppSymbol=&(*ppSymbol)->next)
{
*ppSymbol = crAlloc(sizeof(CRProgramSymbol));
if (!ppSymbol) return VERR_NO_MEMORY;
rc = SSMR3GetMem(pSSM, *ppSymbol, sizeof(**ppSymbol));
AssertRCReturn(rc, rc);
if ((*ppSymbol)->name)
{
CRASSERT((*ppSymbol)->cbName>0);
(*ppSymbol)->name = crAlloc((*ppSymbol)->cbName);
if (!(*ppSymbol)->name) return VERR_NO_MEMORY;
rc = SSMR3GetMem(pSSM, (void*) (*ppSymbol)->name, (*ppSymbol)->cbName);
AssertRCReturn(rc, rc);
}
}
return VINF_SUCCESS;
}
static void crStateSaveString(const char *pStr, PSSMHANDLE pSSM)
{
int32_t len;
int32_t rc;
if (pStr)
{
len = crStrlen(pStr)+1;
rc = SSMR3PutS32(pSSM, len);
CRASSERT(rc == VINF_SUCCESS);
rc = SSMR3PutMem(pSSM, pStr, len*sizeof(*pStr));
CRASSERT(rc == VINF_SUCCESS);
}
else
{
rc = SSMR3PutS32(pSSM, 0);
CRASSERT(rc == VINF_SUCCESS);
}
}
static char* crStateLoadString(PSSMHANDLE pSSM)
{
int32_t len, rc;
char* pStr = NULL;
rc = SSMR3GetS32(pSSM, &len);
CRASSERT(rc == VINF_SUCCESS);
if (len!=0)
{
pStr = crAlloc(len*sizeof(*pStr));
rc = SSMR3GetMem(pSSM, pStr, len*sizeof(*pStr));
CRASSERT(rc == VINF_SUCCESS);
}
return pStr;
}
static void crStateSaveGLSLShaderCB(unsigned long key, void *data1, void *data2)
{
CRGLSLShader *pShader = (CRGLSLShader*) data1;
PSSMHANDLE pSSM = (PSSMHANDLE) data2;
int32_t rc;
rc = SSMR3PutMem(pSSM, &key, sizeof(key));
CRASSERT(rc == VINF_SUCCESS);
rc = SSMR3PutMem(pSSM, pShader, sizeof(*pShader));
CRASSERT(rc == VINF_SUCCESS);
if (pShader->source)
{
crStateSaveString(pShader->source, pSSM);
}
else
{
GLint sLen=0;
GLchar *source=NULL;
diff_api.GetShaderiv(pShader->hwid, GL_SHADER_SOURCE_LENGTH, &sLen);
if (sLen>0)
{
source = (GLchar*) crAlloc(sLen);
diff_api.GetShaderSource(pShader->hwid, sLen, NULL, source);
}
crStateSaveString(source, pSSM);
if (source) crFree(source);
}
}
static CRGLSLShader* crStateLoadGLSLShader(PSSMHANDLE pSSM)
{
CRGLSLShader *pShader;
int32_t rc;
unsigned long key;
pShader = crAlloc(sizeof(*pShader));
if (!pShader) return NULL;
rc = SSMR3GetMem(pSSM, &key, sizeof(key));
CRASSERT(rc == VINF_SUCCESS);
rc = SSMR3GetMem(pSSM, pShader, sizeof(*pShader));
CRASSERT(rc == VINF_SUCCESS);
pShader->source = crStateLoadString(pSSM);
return pShader;
}
static void crStateSaveGLSLShaderKeyCB(unsigned long key, void *data1, void *data2)
{
CRGLSLShader *pShader = (CRGLSLShader*) data1;
PSSMHANDLE pSSM = (PSSMHANDLE) data2;
int32_t rc;
rc = SSMR3PutMem(pSSM, &key, sizeof(key));
CRASSERT(rc == VINF_SUCCESS);
}
static void crStateSaveGLSLProgramAttribs(CRGLSLProgramState *pState, PSSMHANDLE pSSM)
{
GLuint i;
int32_t rc;
for (i=0; i<pState->cAttribs; ++i)
{
rc = SSMR3PutMem(pSSM, &pState->pAttribs[i].index, sizeof(pState->pAttribs[i].index));
CRASSERT(rc == VINF_SUCCESS);
crStateSaveString(pState->pAttribs[i].name, pSSM);
}
}
static void crStateSaveGLSLProgramCB(unsigned long key, void *data1, void *data2)
{
CRGLSLProgram *pProgram = (CRGLSLProgram*) data1;
PSSMHANDLE pSSM = (PSSMHANDLE) data2;
int32_t rc;
uint32_t ui32;
GLint maxUniformLen, activeUniforms=0, uniformsCount=0, i, j;
GLchar *name = NULL;
GLenum type;
GLint size, location;
rc = SSMR3PutMem(pSSM, &key, sizeof(key));
CRASSERT(rc == VINF_SUCCESS);
rc = SSMR3PutMem(pSSM, pProgram, sizeof(*pProgram));
CRASSERT(rc == VINF_SUCCESS);
ui32 = crHashtableNumElements(pProgram->currentState.attachedShaders);
rc = SSMR3PutU32(pSSM, ui32);
CRASSERT(rc == VINF_SUCCESS);
crHashtableWalk(pProgram->currentState.attachedShaders, crStateSaveGLSLShaderKeyCB, pSSM);
if (pProgram->activeState.attachedShaders)
{
ui32 = crHashtableNumElements(pProgram->activeState.attachedShaders);
rc = SSMR3PutU32(pSSM, ui32);
CRASSERT(rc == VINF_SUCCESS);
crHashtableWalk(pProgram->currentState.attachedShaders, crStateSaveGLSLShaderCB, pSSM);
}
crStateSaveGLSLProgramAttribs(&pProgram->currentState, pSSM);
crStateSaveGLSLProgramAttribs(&pProgram->activeState, pSSM);
diff_api.GetProgramiv(pProgram->hwid, GL_ACTIVE_UNIFORM_MAX_LENGTH, &maxUniformLen);
diff_api.GetProgramiv(pProgram->hwid, GL_ACTIVE_UNIFORMS, &activeUniforms);
if (!maxUniformLen)
{
if (activeUniforms)
{
crWarning("activeUniforms (%d), while maxUniformLen is zero", activeUniforms);
activeUniforms = 0;
}
}
if (activeUniforms>0)
{
name = (GLchar *) crAlloc((maxUniformLen+8)*sizeof(GLchar));
if (!name)
{
crWarning("crStateSaveGLSLProgramCB: out of memory");
return;
}
}
for (i=0; i<activeUniforms; ++i)
{
diff_api.GetActiveUniform(pProgram->hwid, i, maxUniformLen, NULL, &size, &type, name);
uniformsCount += size;
}
CRASSERT(uniformsCount>=activeUniforms);
rc = SSMR3PutS32(pSSM, uniformsCount);
CRASSERT(rc == VINF_SUCCESS);
if (activeUniforms>0)
{
GLfloat fdata[16];
GLint idata[16];
char *pIndexStr=NULL;
for (i=0; i<activeUniforms; ++i)
{
diff_api.GetActiveUniform(pProgram->hwid, i, maxUniformLen, NULL, &size, &type, name);
if (size>1)
{
pIndexStr = crStrchr(name, '[');
if (!pIndexStr)
{
pIndexStr = name+crStrlen(name);
}
}
for (j=0; j<size; ++j)
{
if (size>1)
{
sprintf(pIndexStr, "[%i]", j);
}
location = diff_api.GetUniformLocation(pProgram->hwid, name);
rc = SSMR3PutMem(pSSM, &type, sizeof(type));
CRASSERT(rc == VINF_SUCCESS);
crStateSaveString(name, pSSM);
if (crStateIsIntUniform(type))
{
diff_api.GetUniformiv(pProgram->hwid, location, &idata[0]);
rc = SSMR3PutMem(pSSM, &idata[0], crStateGetUniformSize(type)*sizeof(idata[0]));
CRASSERT(rc == VINF_SUCCESS);
}
else
{
diff_api.GetUniformfv(pProgram->hwid, location, &fdata[0]);
rc = SSMR3PutMem(pSSM, &fdata[0], crStateGetUniformSize(type)*sizeof(fdata[0]));
CRASSERT(rc == VINF_SUCCESS);
}
}
}
crFree(name);
}
}
static int32_t crStateSaveClientPointer(CRVertexArrays *pArrays, int32_t index, PSSMHANDLE pSSM)
{
int32_t rc;
CRClientPointer *cp;
cp = crStateGetClientPointerByIndex(index, pArrays);
if (cp->buffer)
rc = SSMR3PutU32(pSSM, cp->buffer->id);
else
rc = SSMR3PutU32(pSSM, 0);
AssertRCReturn(rc, rc);
#ifdef CR_EXT_compiled_vertex_array
if (cp->locked)
{
CRASSERT(cp->p);
rc = SSMR3PutMem(pSSM, cp->p, cp->stride*(pArrays->lockFirst+pArrays->lockCount));
AssertRCReturn(rc, rc);
}
#endif
return VINF_SUCCESS;
}
static int32_t crStateLoadClientPointer(CRVertexArrays *pArrays, int32_t index, CRContext *pContext, PSSMHANDLE pSSM)
{
int32_t rc;
uint32_t ui;
CRClientPointer *cp;
cp = crStateGetClientPointerByIndex(index, pArrays);
rc = SSMR3GetU32(pSSM, &ui);
AssertRCReturn(rc, rc);
cp->buffer = ui==0 ? pContext->bufferobject.nullBuffer : crHashtableSearch(pContext->shared->buffersTable, ui);
if (!cp->buffer)
{
crWarning("crStateLoadClientPointer: ui=%d loaded as NULL buffer!", ui);
}
#ifdef CR_EXT_compiled_vertex_array
if (cp->locked)
{
rc = crStateAllocAndSSMR3GetMem(pSSM, (void**)&cp->p, cp->stride*(pArrays->lockFirst+pArrays->lockCount));
AssertRCReturn(rc, rc);
}
#endif
return VINF_SUCCESS;
}
static int32_t crStateSaveCurrentBits(CRStateBits *pBits, PSSMHANDLE pSSM)
{
int32_t rc, i;
rc = SSMR3PutMem(pSSM, pBits, sizeof(*pBits));
AssertRCReturn(rc, rc);
rc = SSMR3PutMem(pSSM, pBits->client.v, GLCLIENT_BIT_ALLOC*sizeof(CRbitvalue));
AssertRCReturn(rc, rc);
rc = SSMR3PutMem(pSSM, pBits->client.n, GLCLIENT_BIT_ALLOC*sizeof(CRbitvalue));
AssertRCReturn(rc, rc);
rc = SSMR3PutMem(pSSM, pBits->client.c, GLCLIENT_BIT_ALLOC*sizeof(CRbitvalue));
AssertRCReturn(rc, rc);
rc = SSMR3PutMem(pSSM, pBits->client.s, GLCLIENT_BIT_ALLOC*sizeof(CRbitvalue));
AssertRCReturn(rc, rc);
rc = SSMR3PutMem(pSSM, pBits->client.i, GLCLIENT_BIT_ALLOC*sizeof(CRbitvalue));
AssertRCReturn(rc, rc);
for (i=0; i<CR_MAX_TEXTURE_UNITS; i++)
{
rc = SSMR3PutMem(pSSM, pBits->client.t[i], GLCLIENT_BIT_ALLOC*sizeof(CRbitvalue));
AssertRCReturn(rc, rc);
}
rc = SSMR3PutMem(pSSM, pBits->client.e, GLCLIENT_BIT_ALLOC*sizeof(CRbitvalue));
AssertRCReturn(rc, rc);
rc = SSMR3PutMem(pSSM, pBits->client.f, GLCLIENT_BIT_ALLOC*sizeof(CRbitvalue));
AssertRCReturn(rc, rc);
#ifdef CR_NV_vertex_program
for (i=0; i<CR_MAX_VERTEX_ATTRIBS; i++)
{
rc = SSMR3PutMem(pSSM, pBits->client.a[i], GLCLIENT_BIT_ALLOC*sizeof(CRbitvalue));
AssertRCReturn(rc, rc);
}
#endif
rc = SSMR3PutMem(pSSM, pBits->lighting.light, CR_MAX_LIGHTS*sizeof(pBits->lighting.light));
AssertRCReturn(rc, rc);
return VINF_SUCCESS;
}
static int32_t crStateLoadCurrentBits(CRStateBits *pBits, PSSMHANDLE pSSM)
{
int32_t rc, i;
CRClientBits client;
CRLightingBits lighting;
CRASSERT(pBits);
client.v = pBits->client.v;
client.n = pBits->client.n;
client.c = pBits->client.c;
client.s = pBits->client.s;
client.i = pBits->client.i;
client.e = pBits->client.e;
client.f = pBits->client.f;
for (i=0; i<CR_MAX_TEXTURE_UNITS; i++)
{
client.t[i] = pBits->client.t[i];
}
#ifdef CR_NV_vertex_program
for (i=0; i<CR_MAX_VERTEX_ATTRIBS; i++)
{
client.a[i] = pBits->client.a[i];
}
#endif
lighting.light = pBits->lighting.light;
rc = SSMR3GetMem(pSSM, pBits, sizeof(*pBits));
AssertRCReturn(rc, rc);
pBits->client.v = client.v;
rc = SSMR3GetMem(pSSM, pBits->client.v, GLCLIENT_BIT_ALLOC*sizeof(CRbitvalue));
AssertRCReturn(rc, rc);
pBits->client.n = client.n;
rc = SSMR3GetMem(pSSM, pBits->client.n, GLCLIENT_BIT_ALLOC*sizeof(CRbitvalue));
AssertRCReturn(rc, rc);
pBits->client.c = client.c;
rc = SSMR3GetMem(pSSM, pBits->client.c, GLCLIENT_BIT_ALLOC*sizeof(CRbitvalue));
AssertRCReturn(rc, rc);
pBits->client.s = client.s;
rc = SSMR3GetMem(pSSM, pBits->client.s, GLCLIENT_BIT_ALLOC*sizeof(CRbitvalue));
AssertRCReturn(rc, rc);
pBits->client.i = client.i;
rc = SSMR3GetMem(pSSM, pBits->client.i, GLCLIENT_BIT_ALLOC*sizeof(CRbitvalue));
AssertRCReturn(rc, rc);
pBits->client.e = client.e;
rc = SSMR3GetMem(pSSM, pBits->client.e, GLCLIENT_BIT_ALLOC*sizeof(CRbitvalue));
AssertRCReturn(rc, rc);
pBits->client.f = client.f;
rc = SSMR3GetMem(pSSM, pBits->client.f, GLCLIENT_BIT_ALLOC*sizeof(CRbitvalue));
AssertRCReturn(rc, rc);
for (i=0; i<CR_MAX_TEXTURE_UNITS; i++)
{
pBits->client.t[i] = client.t[i];
rc = SSMR3GetMem(pSSM, pBits->client.t[i], GLCLIENT_BIT_ALLOC*sizeof(CRbitvalue));
AssertRCReturn(rc, rc);
}
#ifdef CR_NV_vertex_program
for (i=0; i<CR_MAX_VERTEX_ATTRIBS; i++)
{
pBits->client.a[i] = client.a[i];
rc = SSMR3GetMem(pSSM, pBits->client.a[i], GLCLIENT_BIT_ALLOC*sizeof(CRbitvalue));
AssertRCReturn(rc, rc);
}
#endif
pBits->lighting.light = lighting.light;
rc = SSMR3GetMem(pSSM, pBits->lighting.light, CR_MAX_LIGHTS*sizeof(pBits->lighting.light));
AssertRCReturn(rc, rc);
return VINF_SUCCESS;
}
static void crStateSaveKeysCB(unsigned long firstKey, unsigned long count, void *data)
{
PSSMHANDLE pSSM = (PSSMHANDLE)data;
int rc;
CRASSERT(firstKey);
CRASSERT(count);
rc = SSMR3PutU32(pSSM, firstKey);
CRASSERT(RT_SUCCESS(rc));
rc = SSMR3PutU32(pSSM, count);
CRASSERT(RT_SUCCESS(rc));
}
static int32_t crStateSaveKeys(CRHashTable *pHash, PSSMHANDLE pSSM)
{
crHashtableWalkKeys(pHash, crStateSaveKeysCB , pSSM);
/* use null terminator */
SSMR3PutU32(pSSM, 0);
return VINF_SUCCESS;
}
static int32_t crStateLoadKeys(CRHashTable *pHash, PSSMHANDLE pSSM)
{
uint32_t u32Key, u32Count, i;
int rc;
for(;;)
{
rc = SSMR3GetU32(pSSM, &u32Key);
AssertRCReturn(rc, rc);
if (!u32Key)
return rc;
rc = SSMR3GetU32(pSSM, &u32Count);
AssertRCReturn(rc, rc);
CRASSERT(u32Count);
for (i = u32Key; i < u32Count + u32Key; ++i)
{
GLboolean fIsNew = crHashtableAllocRegisterKey(pHash, i);
CRASSERT(fIsNew);
}
}
return rc;
}
int32_t crStateSaveContext(CRContext *pContext, PSSMHANDLE pSSM)
{
int32_t rc, i;
uint32_t ui32, j;
GLboolean bSaveShared = GL_TRUE;
CRASSERT(pContext && pSSM);
CRASSERT(pContext->client.attribStackDepth == 0);
/* this stuff is not used anymore, zero it up for sanity */
pContext->buffer.storedWidth = 0;
pContext->buffer.storedHeight = 0;
CRASSERT(VBoxTlsRefIsFunctional(pContext));
/* make sure the gl error state is captured by our state mechanism to store the correct gl error value */
crStateSyncHWErrorState(pContext);
rc = SSMR3PutMem(pSSM, pContext, sizeof (*pContext));
AssertRCReturn(rc, rc);
if (crHashtableNumElements(pContext->shared->dlistTable)>0)
crWarning("Saving state with %d display lists, unsupported", crHashtableNumElements(pContext->shared->dlistTable));
if (crHashtableNumElements(pContext->program.programHash)>0)
crDebug("Saving state with %d programs", crHashtableNumElements(pContext->program.programHash));
rc = SSMR3PutS32(pSSM, pContext->shared->id);
AssertRCReturn(rc, rc);
rc = SSMR3PutS32(pSSM, crStateContextIsShared(pContext));
AssertRCReturn(rc, rc);
if (pContext->shared->refCount>1)
{
bSaveShared = pContext->shared->saveCount==0;
++pContext->shared->saveCount;
if (pContext->shared->saveCount == pContext->shared->refCount)
{
pContext->shared->saveCount=0;
}
}
/* Save transform state */
rc = SSMR3PutMem(pSSM, pContext->transform.clipPlane, sizeof(GLvectord)*CR_MAX_CLIP_PLANES);
AssertRCReturn(rc, rc);
rc = SSMR3PutMem(pSSM, pContext->transform.clip, sizeof(GLboolean)*CR_MAX_CLIP_PLANES);
AssertRCReturn(rc, rc);
rc = crStateSaveMatrixStack(&pContext->transform.modelViewStack, pSSM);
AssertRCReturn(rc, rc);
rc = crStateSaveMatrixStack(&pContext->transform.projectionStack, pSSM);
AssertRCReturn(rc, rc);
rc = crStateSaveMatrixStack(&pContext->transform.colorStack, pSSM);
AssertRCReturn(rc, rc);
for (i = 0 ; i < CR_MAX_TEXTURE_UNITS ; i++)
{
rc = crStateSaveMatrixStack(&pContext->transform.textureStack[i], pSSM);
AssertRCReturn(rc, rc);
}
for (i = 0 ; i < CR_MAX_PROGRAM_MATRICES ; i++)
{
rc = crStateSaveMatrixStack(&pContext->transform.programStack[i], pSSM);
AssertRCReturn(rc, rc);
}
/* Save textures */
rc = crStateSaveTextureObjData(&pContext->texture.base1D, pSSM);
AssertRCReturn(rc, rc);
rc = crStateSaveTextureObjData(&pContext->texture.base2D, pSSM);
AssertRCReturn(rc, rc);
rc = crStateSaveTextureObjData(&pContext->texture.base3D, pSSM);
AssertRCReturn(rc, rc);
rc = crStateSaveTextureObjData(&pContext->texture.proxy1D, pSSM);
AssertRCReturn(rc, rc);
rc = crStateSaveTextureObjData(&pContext->texture.proxy2D, pSSM);
AssertRCReturn(rc, rc);
rc = crStateSaveTextureObjData(&pContext->texture.proxy3D, pSSM);
#ifdef CR_ARB_texture_cube_map
rc = crStateSaveTextureObjData(&pContext->texture.baseCubeMap, pSSM);
AssertRCReturn(rc, rc);
rc = crStateSaveTextureObjData(&pContext->texture.proxyCubeMap, pSSM);
AssertRCReturn(rc, rc);
#endif
#ifdef CR_NV_texture_rectangle
rc = crStateSaveTextureObjData(&pContext->texture.baseRect, pSSM);
AssertRCReturn(rc, rc);
rc = crStateSaveTextureObjData(&pContext->texture.proxyRect, pSSM);
AssertRCReturn(rc, rc);
#endif
/* Save shared textures */
if (bSaveShared)
{
CRASSERT(pContext->shared && pContext->shared->textureTable);
rc = crStateSaveKeys(pContext->shared->textureTable, pSSM);
AssertRCReturn(rc, rc);
ui32 = crHashtableNumElements(pContext->shared->textureTable);
rc = SSMR3PutU32(pSSM, ui32);
AssertRCReturn(rc, rc);
crHashtableWalk(pContext->shared->textureTable, crStateSaveSharedTextureCB, pSSM);
#ifdef CR_STATE_NO_TEXTURE_IMAGE_STORE
/* Restore previous texture bindings via diff_api */
if (ui32)
{
CRTextureUnit *pTexUnit;
pTexUnit = &pContext->texture.unit[pContext->texture.curTextureUnit];
diff_api.BindTexture(GL_TEXTURE_1D, pTexUnit->currentTexture1D->hwid);
diff_api.BindTexture(GL_TEXTURE_2D, pTexUnit->currentTexture2D->hwid);
diff_api.BindTexture(GL_TEXTURE_3D, pTexUnit->currentTexture3D->hwid);
#ifdef CR_ARB_texture_cube_map
diff_api.BindTexture(GL_TEXTURE_CUBE_MAP_ARB, pTexUnit->currentTextureCubeMap->hwid);
#endif
#ifdef CR_NV_texture_rectangle
diff_api.BindTexture(GL_TEXTURE_RECTANGLE_NV, pTexUnit->currentTextureRect->hwid);
#endif
}
#endif
}
/* Save current texture pointers */
for (i=0; i<CR_MAX_TEXTURE_UNITS; ++i)
{
rc = crStateSaveTexUnitCurrentTexturePtrs(&pContext->texture.unit[i], pSSM);
AssertRCReturn(rc, rc);
}
/* Save lights */
CRASSERT(pContext->lighting.light);
rc = SSMR3PutMem(pSSM, pContext->lighting.light, CR_MAX_LIGHTS * sizeof(*pContext->lighting.light));
AssertRCReturn(rc, rc);
/* Save attrib stack*/
/*@todo could go up to used stack depth here?*/
for ( i = 0 ; i < CR_MAX_ATTRIB_STACK_DEPTH ; i++)
{
if (pContext->attrib.enableStack[i].clip)
{
rc = SSMR3PutMem(pSSM, pContext->attrib.enableStack[i].clip,
pContext->limits.maxClipPlanes*sizeof(GLboolean));
AssertRCReturn(rc, rc);
}
if (pContext->attrib.enableStack[i].light)
{
rc = SSMR3PutMem(pSSM, pContext->attrib.enableStack[i].light,
pContext->limits.maxLights*sizeof(GLboolean));
AssertRCReturn(rc, rc);
}
if (pContext->attrib.lightingStack[i].light)
{
rc = SSMR3PutMem(pSSM, pContext->attrib.lightingStack[i].light,
pContext->limits.maxLights*sizeof(CRLight));
AssertRCReturn(rc, rc);
}
for (j=0; j<pContext->limits.maxTextureUnits; ++j)
{
rc = crStateSaveTexUnitCurrentTexturePtrs(&pContext->attrib.textureStack[i].unit[j], pSSM);
AssertRCReturn(rc, rc);
}
if (pContext->attrib.transformStack[i].clip)
{
rc = SSMR3PutMem(pSSM, pContext->attrib.transformStack[i].clip,
pContext->limits.maxClipPlanes*sizeof(GLboolean));
AssertRCReturn(rc, rc);
}
if (pContext->attrib.transformStack[i].clipPlane)
{
rc = SSMR3PutMem(pSSM, pContext->attrib.transformStack[i].clipPlane,
pContext->limits.maxClipPlanes*sizeof(GLvectord));
AssertRCReturn(rc, rc);
}
rc = crSateSaveEvalCoeffs1D(pContext->attrib.evalStack[i].eval1D, pSSM);
AssertRCReturn(rc, rc);
rc = crSateSaveEvalCoeffs2D(pContext->attrib.evalStack[i].eval2D, pSSM);
AssertRCReturn(rc, rc);
}
/* Save evaluator coeffs */
rc = crSateSaveEvalCoeffs1D(pContext->eval.eval1D, pSSM);
AssertRCReturn(rc, rc);
rc = crSateSaveEvalCoeffs2D(pContext->eval.eval2D, pSSM);
AssertRCReturn(rc, rc);
#ifdef CR_ARB_vertex_buffer_object
/* Save buffer objects */
if (bSaveShared)
{
rc = crStateSaveKeys(pContext->shared->buffersTable, pSSM);
AssertRCReturn(rc, rc);
}
ui32 = bSaveShared? crHashtableNumElements(pContext->shared->buffersTable):0;
rc = SSMR3PutU32(pSSM, ui32);
AssertRCReturn(rc, rc);
/* Save default one*/
crStateSaveBufferObjectCB(0, pContext->bufferobject.nullBuffer, pSSM);
if (bSaveShared)
{
/* Save all the rest */
crHashtableWalk(pContext->shared->buffersTable, crStateSaveBufferObjectCB, pSSM);
}
/* Restore binding */
diff_api.BindBufferARB(GL_ARRAY_BUFFER_ARB, pContext->bufferobject.arrayBuffer->hwid);
/* Save pointers */
rc = SSMR3PutU32(pSSM, pContext->bufferobject.arrayBuffer->id);
AssertRCReturn(rc, rc);
rc = SSMR3PutU32(pSSM, pContext->bufferobject.elementsBuffer->id);
AssertRCReturn(rc, rc);
#ifdef CR_ARB_pixel_buffer_object
rc = SSMR3PutU32(pSSM, pContext->bufferobject.packBuffer->id);
AssertRCReturn(rc, rc);
rc = SSMR3PutU32(pSSM, pContext->bufferobject.unpackBuffer->id);
AssertRCReturn(rc, rc);
#endif
/* Save clint pointers and buffer bindings*/
for (i=0; i<CRSTATECLIENT_MAX_VERTEXARRAYS; ++i)
{
rc = crStateSaveClientPointer(&pContext->client.array, i, pSSM);
AssertRCReturn(rc, rc);
}
crDebug("client.vertexArrayStackDepth %i", pContext->client.vertexArrayStackDepth);
for (i=0; i<pContext->client.vertexArrayStackDepth; ++i)
{
CRVertexArrays *pArray = &pContext->client.vertexArrayStack[i];
for (j=0; j<CRSTATECLIENT_MAX_VERTEXARRAYS; ++j)
{
rc = crStateSaveClientPointer(pArray, j, pSSM);
AssertRCReturn(rc, rc);
}
}
#endif /*CR_ARB_vertex_buffer_object*/
/* Save pixel/vertex programs */
ui32 = crHashtableNumElements(pContext->program.programHash);
rc = SSMR3PutU32(pSSM, ui32);
AssertRCReturn(rc, rc);
/* Save defaults programs */
crStateSaveProgramCB(0, pContext->program.defaultVertexProgram, pSSM);
crStateSaveProgramCB(0, pContext->program.defaultFragmentProgram, pSSM);
/* Save all the rest */
crHashtableWalk(pContext->program.programHash, crStateSaveProgramCB, pSSM);
/* Save Pointers */
rc = SSMR3PutU32(pSSM, pContext->program.currentVertexProgram->id);
AssertRCReturn(rc, rc);
rc = SSMR3PutU32(pSSM, pContext->program.currentFragmentProgram->id);
AssertRCReturn(rc, rc);
/* This one is unused it seems*/
CRASSERT(!pContext->program.errorString);
#ifdef CR_EXT_framebuffer_object
/* Save FBOs */
if (bSaveShared)
{
rc = crStateSaveKeys(pContext->shared->fbTable, pSSM);
AssertRCReturn(rc, rc);
ui32 = crHashtableNumElements(pContext->shared->fbTable);
rc = SSMR3PutU32(pSSM, ui32);
AssertRCReturn(rc, rc);
crHashtableWalk(pContext->shared->fbTable, crStateSaveFramebuffersCB, pSSM);
rc = crStateSaveKeys(pContext->shared->rbTable, pSSM);
AssertRCReturn(rc, rc);
ui32 = crHashtableNumElements(pContext->shared->rbTable);
rc = SSMR3PutU32(pSSM, ui32);
AssertRCReturn(rc, rc);
crHashtableWalk(pContext->shared->rbTable, crStateSaveRenderbuffersCB, pSSM);
}
rc = SSMR3PutU32(pSSM, pContext->framebufferobject.drawFB?pContext->framebufferobject.drawFB->id:0);
AssertRCReturn(rc, rc);
rc = SSMR3PutU32(pSSM, pContext->framebufferobject.readFB?pContext->framebufferobject.readFB->id:0);
AssertRCReturn(rc, rc);
rc = SSMR3PutU32(pSSM, pContext->framebufferobject.renderbuffer?pContext->framebufferobject.renderbuffer->id:0);
AssertRCReturn(rc, rc);
#endif
#ifdef CR_OPENGL_VERSION_2_0
/* Save GLSL related info */
ui32 = crHashtableNumElements(pContext->glsl.shaders);
rc = SSMR3PutU32(pSSM, ui32);
AssertRCReturn(rc, rc);
crHashtableWalk(pContext->glsl.shaders, crStateSaveGLSLShaderCB, pSSM);
ui32 = crHashtableNumElements(pContext->glsl.programs);
rc = SSMR3PutU32(pSSM, ui32);
AssertRCReturn(rc, rc);
crHashtableWalk(pContext->glsl.programs, crStateSaveGLSLProgramCB, pSSM);
rc = SSMR3PutU32(pSSM, pContext->glsl.activeProgram?pContext->glsl.activeProgram->id:0);
AssertRCReturn(rc, rc);
#endif
return VINF_SUCCESS;
}
typedef struct _crFindSharedCtxParms {
PFNCRSTATE_CONTEXT_GET pfnCtxGet;
CRContext *pSrcCtx, *pDstCtx;
} crFindSharedCtxParms_t;
static void crStateFindSharedCB(unsigned long key, void *data1, void *data2)
{
crFindSharedCtxParms_t *pParms = (crFindSharedCtxParms_t *) data2;
CRContext *pContext = pParms->pfnCtxGet(data1);
(void) key;
if (pContext!=pParms->pSrcCtx && pContext->shared->id==pParms->pSrcCtx->shared->id)
{
pParms->pDstCtx->shared = pContext->shared;
}
}
int32_t crStateSaveGlobals(PSSMHANDLE pSSM)
{
/* don't need that for now */
#if 0
CRStateBits *pBits;
int rc;
CRASSERT(g_cContexts >= 1);
if (g_cContexts <= 1)
return VINF_SUCCESS;
pBits = GetCurrentBits();
#define CRSTATE_BITS_OP(_var, _size) \
rc = SSMR3PutMem(pSSM, (pBits->_var), _size); \
AssertRCReturn(rc, rc);
#include "state_bits_globalop.h"
#undef CRSTATE_BITS_OP
#endif
return VINF_SUCCESS;
}
int32_t crStateLoadGlobals(PSSMHANDLE pSSM, uint32_t u32Version)
{
CRStateBits *pBits;
int rc;
CRASSERT(g_cContexts >= 1);
if (g_cContexts <= 1)
return VINF_SUCCESS;
pBits = GetCurrentBits();
if (u32Version >= SHCROGL_SSM_VERSION_WITH_STATE_BITS)
{
#define CRSTATE_BITS_OP(_var, _size) \
rc = SSMR3GetMem(pSSM, (pBits->_var), _size); \
AssertRCReturn(rc, rc);
if (u32Version < SHCROGL_SSM_VERSION_WITH_FIXED_STENCIL)
{
#define CRSTATE_BITS_OP_VERSION (SHCROGL_SSM_VERSION_WITH_FIXED_STENCIL - 1)
#define CRSTATE_BITS_OP_STENCIL_FUNC_V_33(_i, _var) do {} while (0)
#define CRSTATE_BITS_OP_STENCIL_OP_V_33(_i, _var) do {} while (0)
#include "state_bits_globalop.h"
#undef CRSTATE_BITS_OP_VERSION
#undef CRSTATE_BITS_OP_STENCIL_FUNC_V_33
#undef CRSTATE_BITS_OP_STENCIL_OP_V_33
}
else if (u32Version < SHCROGL_SSM_VERSION_WITH_SPRITE_COORD_ORIGIN)
{
#define CRSTATE_BITS_OP_VERSION (SHCROGL_SSM_VERSION_WITH_SPRITE_COORD_ORIGIN - 1)
#include "state_bits_globalop.h"
#undef CRSTATE_BITS_OP_VERSION
}
else
{
/* we do not put dirty bits to state anymore,
* nop */
//#include "state_bits_globalop.h"
}
#undef CRSTATE_BITS_OP
/* always dirty all bits */
/* return VINF_SUCCESS; */
}
#define CRSTATE_BITS_OP(_var, _size) FILLDIRTY(pBits->_var);
#include "state_bits_globalop.h"
#undef CRSTATE_BITS_OP
return VINF_SUCCESS;
}
#define SLC_COPYPTR(ptr) pTmpContext->ptr = pContext->ptr
#define SLC_ASSSERT_NULL_PTR(ptr) CRASSERT(!pContext->ptr)
AssertCompile(VBOXTLSREFDATA_SIZE() <= CR_MAX_BITARRAY);
AssertCompile(VBOXTLSREFDATA_STATE_INITIALIZED != 0);
AssertCompile(RT_OFFSETOF(CRContext, shared) >= VBOXTLSREFDATA_OFFSET(CRContext) + VBOXTLSREFDATA_SIZE() + RT_SIZEOFMEMB(CRContext, bitid) + RT_SIZEOFMEMB(CRContext, neg_bitid));
int32_t crStateLoadContext(CRContext *pContext, CRHashTable * pCtxTable, PFNCRSTATE_CONTEXT_GET pfnCtxGet, PSSMHANDLE pSSM, uint32_t u32Version)
{
CRContext* pTmpContext;
int32_t rc, i, j;
uint32_t uiNumElems, ui, k;
unsigned long key;
GLboolean bLoadShared = GL_TRUE;
GLenum err;
CRASSERT(pContext && pSSM);
/* This one is rather big for stack allocation and causes macs to crash */
pTmpContext = (CRContext*)crAlloc(sizeof(*pTmpContext));
if (!pTmpContext)
return VERR_NO_MEMORY;
CRASSERT(VBoxTlsRefIsFunctional(pContext));
if (u32Version <= SHCROGL_SSM_VERSION_WITH_INVALID_ERROR_STATE)
{
union {
CRbitvalue bitid[CR_MAX_BITARRAY];
struct {
VBOXTLSREFDATA
} tlsRef;
} bitid;
/* do not increment the saved state version due to VBOXTLSREFDATA addition to CRContext */
rc = SSMR3GetMem(pSSM, pTmpContext, VBOXTLSREFDATA_OFFSET(CRContext));
AssertRCReturn(rc, rc);
/* VBox 4.1.8 had a bug that VBOXTLSREFDATA was also stored in the snapshot,
* thus the saved state data format was changed w/o changing the saved state version.
* here we determine whether the saved state contains VBOXTLSREFDATA, and if so, treat it accordingly */
rc = SSMR3GetMem(pSSM, &bitid, sizeof (bitid));
AssertRCReturn(rc, rc);
/* the bitid array has one bit set only. this is why if bitid.tlsRef has both cTlsRefs
* and enmTlsRefState non-zero - this is definitely NOT a bit id and is a VBOXTLSREFDATA */
if (bitid.tlsRef.enmTlsRefState == VBOXTLSREFDATA_STATE_INITIALIZED
&& bitid.tlsRef.cTlsRefs)
{
/* VBOXTLSREFDATA is stored, skip it */
crMemcpy(&pTmpContext->bitid, ((uint8_t*)&bitid) + VBOXTLSREFDATA_SIZE(), sizeof (bitid) - VBOXTLSREFDATA_SIZE());
rc = SSMR3GetMem(pSSM, ((uint8_t*)&pTmpContext->bitid) + sizeof (pTmpContext->bitid) - VBOXTLSREFDATA_SIZE(), sizeof (pTmpContext->neg_bitid) + VBOXTLSREFDATA_SIZE());
AssertRCReturn(rc, rc);
ui = VBOXTLSREFDATA_OFFSET(CRContext) + VBOXTLSREFDATA_SIZE() + sizeof (pTmpContext->bitid) + sizeof (pTmpContext->neg_bitid);
ui = RT_OFFSETOF(CRContext, shared) - ui;
}
else
{
/* VBOXTLSREFDATA is NOT stored */
crMemcpy(&pTmpContext->bitid, &bitid, sizeof (bitid));
rc = SSMR3GetMem(pSSM, &pTmpContext->neg_bitid, sizeof (pTmpContext->neg_bitid));
AssertRCReturn(rc, rc);
/* the pre-VBOXTLSREFDATA CRContext structure might have additional allignment bits before the CRContext::shared */
ui = VBOXTLSREFDATA_OFFSET(CRContext) + sizeof (pTmpContext->bitid) + sizeof (pTmpContext->neg_bitid);
ui &= (sizeof (void*) - 1);
}
if (ui)
{
void* pTmp = NULL;
rc = SSMR3GetMem(pSSM, &pTmp, ui);
AssertRCReturn(rc, rc);
}
if (u32Version == SHCROGL_SSM_VERSION_BEFORE_CTXUSAGE_BITS)
{
SHCROGL_GET_STRUCT_PART(pTmpContext, CRContext, shared, attrib);
rc = crStateLoadAttribState_v_BEFORE_CTXUSAGE_BITS(&pTmpContext->attrib, pSSM);
AssertRCReturn(rc, rc);
SHCROGL_CUT_FIELD_ALIGNMENT(CRContext, attrib, buffer);
SHCROGL_GET_STRUCT_PART(pTmpContext, CRContext, buffer, point);
rc = crStateLoadStencilPoint_v_37(&pTmpContext->point, pSSM);
AssertRCReturn(rc, rc);
SHCROGL_GET_STRUCT_PART(pTmpContext, CRContext, polygon, stencil);
rc = crStateLoadStencilState_v_33(&pTmpContext->stencil, pSSM);
AssertRCReturn(rc, rc);
SHCROGL_CUT_FOR_OLD_TYPE_TO_ENSURE_ALIGNMENT(CRContext, stencil, CRStencilState_v_33, sizeof (void*));
rc = crStateLoadTextureState_v_BEFORE_CTXUSAGE_BITS(&pTmpContext->texture, pSSM);
AssertRCReturn(rc, rc);
SHCROGL_CUT_FIELD_ALIGNMENT(CRContext, texture, transform);
SHCROGL_GET_STRUCT_TAIL(pTmpContext, CRContext, transform);
}
else
{
SHCROGL_GET_STRUCT_PART(pTmpContext, CRContext, shared, attrib);
rc = crStateLoadAttribState_v_33(&pTmpContext->attrib, pSSM);
AssertRCReturn(rc, rc);
SHCROGL_CUT_FIELD_ALIGNMENT(CRContext, attrib, buffer);
SHCROGL_GET_STRUCT_PART(pTmpContext, CRContext, buffer, point);
rc = crStateLoadStencilPoint_v_37(&pTmpContext->point, pSSM);
AssertRCReturn(rc, rc);
SHCROGL_GET_STRUCT_PART(pTmpContext, CRContext, polygon, stencil);
rc = crStateLoadStencilState_v_33(&pTmpContext->stencil, pSSM);
AssertRCReturn(rc, rc);
SHCROGL_CUT_FOR_OLD_TYPE_TO_ENSURE_ALIGNMENT(CRContext, stencil, CRStencilState_v_33, sizeof (void*));
SHCROGL_GET_STRUCT_TAIL(pTmpContext, CRContext, texture);
}
pTmpContext->error = GL_NO_ERROR; /* <- the error state contained some random error data here
* treat as no error */
}
else if (u32Version < SHCROGL_SSM_VERSION_WITH_FIXED_STENCIL)
{
SHCROGL_GET_STRUCT_HEAD(pTmpContext, CRContext, attrib);
rc = crStateLoadAttribState_v_33(&pTmpContext->attrib, pSSM);
AssertRCReturn(rc, rc);
SHCROGL_CUT_FIELD_ALIGNMENT(CRContext, attrib, buffer);
SHCROGL_GET_STRUCT_PART(pTmpContext, CRContext, buffer, point);
rc = crStateLoadStencilPoint_v_37(&pTmpContext->point, pSSM);
AssertRCReturn(rc, rc);
SHCROGL_GET_STRUCT_PART(pTmpContext, CRContext, polygon, stencil);
rc = crStateLoadStencilState_v_33(&pTmpContext->stencil, pSSM);
AssertRCReturn(rc, rc);
SHCROGL_CUT_FOR_OLD_TYPE_TO_ENSURE_ALIGNMENT(CRContext, stencil, CRStencilState_v_33, sizeof (void*));
SHCROGL_GET_STRUCT_TAIL(pTmpContext, CRContext, texture);
}
else if (u32Version < SHCROGL_SSM_VERSION_WITH_SPRITE_COORD_ORIGIN)
{
SHCROGL_GET_STRUCT_HEAD(pTmpContext, CRContext, point);
crStateLoadStencilPoint_v_37(&pTmpContext->point, pSSM);
SHCROGL_GET_STRUCT_TAIL(pTmpContext, CRContext, polygon);
}
else
{
rc = SSMR3GetMem(pSSM, pTmpContext, sizeof (*pTmpContext));
AssertRCReturn(rc, rc);
}
/* preserve the error to restore it at the end of context creation,
* it should not normally change, but just in case it it changed */
err = pTmpContext->error;
/* we will later do crMemcpy from entire pTmpContext to pContext,
* for simplicity store the VBOXTLSREFDATA from the pContext to pTmpContext */
VBOXTLSREFDATA_COPY(pTmpContext, pContext);
/* Deal with shared state */
{
crFindSharedCtxParms_t parms;
int32_t shared;
rc = SSMR3GetS32(pSSM, &pContext->shared->id);
AssertRCReturn(rc, rc);
rc = SSMR3GetS32(pSSM, &shared);
AssertRCReturn(rc, rc);
pTmpContext->shared = NULL;
parms.pfnCtxGet = pfnCtxGet;
parms.pSrcCtx = pContext;
parms.pDstCtx = pTmpContext;
crHashtableWalk(pCtxTable, crStateFindSharedCB, &parms);
if (pTmpContext->shared)
{
CRASSERT(pContext->shared->refCount==1);
bLoadShared = GL_FALSE;
crStateFreeShared(pContext, pContext->shared);
pContext->shared = NULL;
pTmpContext->shared->refCount++;
}
else
{
SLC_COPYPTR(shared);
}
if (bLoadShared && shared)
{
crStateSetSharedContext(pTmpContext);
}
}
SLC_COPYPTR(flush_func);
SLC_COPYPTR(flush_arg);
/* We're supposed to be loading into an empty context, so those pointers should be NULL */
for ( i = 0 ; i < CR_MAX_ATTRIB_STACK_DEPTH ; i++)
{
SLC_ASSSERT_NULL_PTR(attrib.enableStack[i].clip);
SLC_ASSSERT_NULL_PTR(attrib.enableStack[i].light);
SLC_ASSSERT_NULL_PTR(attrib.lightingStack[i].light);
SLC_ASSSERT_NULL_PTR(attrib.transformStack[i].clip);
SLC_ASSSERT_NULL_PTR(attrib.transformStack[i].clipPlane);
for (j=0; j<GLEVAL_TOT; ++j)
{
SLC_ASSSERT_NULL_PTR(attrib.evalStack[i].eval1D[j].coeff);
SLC_ASSSERT_NULL_PTR(attrib.evalStack[i].eval2D[j].coeff);
}
}
#ifdef CR_ARB_vertex_buffer_object
SLC_COPYPTR(bufferobject.nullBuffer);
#endif
/*@todo, that should be removed probably as those should hold the offset values, so loading should be fine
but better check*/
#if 0
#ifdef CR_EXT_compiled_vertex_array
SLC_COPYPTR(client.array.v.prevPtr);
SLC_COPYPTR(client.array.c.prevPtr);
SLC_COPYPTR(client.array.f.prevPtr);
SLC_COPYPTR(client.array.s.prevPtr);
SLC_COPYPTR(client.array.e.prevPtr);
SLC_COPYPTR(client.array.i.prevPtr);
SLC_COPYPTR(client.array.n.prevPtr);
for (i = 0 ; i < CR_MAX_TEXTURE_UNITS ; i++)
{
SLC_COPYPTR(client.array.t[i].prevPtr);
}
# ifdef CR_NV_vertex_program
for (i = 0; i < CR_MAX_VERTEX_ATTRIBS; i++)
{
SLC_COPYPTR(client.array.a[i].prevPtr);
}
# endif
#endif
#endif
#ifdef CR_ARB_vertex_buffer_object
/*That just sets those pointers to NULL*/
SLC_COPYPTR(client.array.v.buffer);
SLC_COPYPTR(client.array.c.buffer);
SLC_COPYPTR(client.array.f.buffer);
SLC_COPYPTR(client.array.s.buffer);
SLC_COPYPTR(client.array.e.buffer);
SLC_COPYPTR(client.array.i.buffer);
SLC_COPYPTR(client.array.n.buffer);
for (i = 0 ; i < CR_MAX_TEXTURE_UNITS ; i++)
{
SLC_COPYPTR(client.array.t[i].buffer);
}
# ifdef CR_NV_vertex_program
for (i = 0; i < CR_MAX_VERTEX_ATTRIBS; i++)
{
SLC_COPYPTR(client.array.a[i].buffer);
}
# endif
#endif /*CR_ARB_vertex_buffer_object*/
/*@todo CR_NV_vertex_program*/
crStateCopyEvalPtrs1D(pTmpContext->eval.eval1D, pContext->eval.eval1D);
crStateCopyEvalPtrs2D(pTmpContext->eval.eval2D, pContext->eval.eval2D);
SLC_COPYPTR(feedback.buffer); /*@todo*/
SLC_COPYPTR(selection.buffer); /*@todo*/
SLC_COPYPTR(lighting.light);
/*This one could be tricky if we're loading snapshot on host with different GPU*/
SLC_COPYPTR(limits.extensions);
#if CR_ARB_occlusion_query
SLC_COPYPTR(occlusion.objects); /*@todo*/
#endif
SLC_COPYPTR(program.errorString);
SLC_COPYPTR(program.programHash);
SLC_COPYPTR(program.defaultVertexProgram);
SLC_COPYPTR(program.defaultFragmentProgram);
/* Texture pointers */
for (i=0; i<6; ++i)
{
SLC_COPYPTR(texture.base1D.level[i]);
SLC_COPYPTR(texture.base2D.level[i]);
SLC_COPYPTR(texture.base3D.level[i]);
SLC_COPYPTR(texture.proxy1D.level[i]);
SLC_COPYPTR(texture.proxy2D.level[i]);
SLC_COPYPTR(texture.proxy3D.level[i]);
#ifdef CR_ARB_texture_cube_map
SLC_COPYPTR(texture.baseCubeMap.level[i]);
SLC_COPYPTR(texture.proxyCubeMap.level[i]);
#endif
#ifdef CR_NV_texture_rectangle
SLC_COPYPTR(texture.baseRect.level[i]);
SLC_COPYPTR(texture.proxyRect.level[i]);
#endif
}
/* Load transform state */
SLC_COPYPTR(transform.clipPlane);
SLC_COPYPTR(transform.clip);
/* Don't have to worry about pContext->transform.current as it'd be set in crStateSetCurrent call */
/*SLC_COPYPTR(transform.currentStack);*/
SLC_COPYPTR(transform.modelViewStack.stack);
SLC_COPYPTR(transform.projectionStack.stack);
SLC_COPYPTR(transform.colorStack.stack);
for (i = 0 ; i < CR_MAX_TEXTURE_UNITS ; i++)
{
SLC_COPYPTR(transform.textureStack[i].stack);
}
for (i = 0 ; i < CR_MAX_PROGRAM_MATRICES ; i++)
{
SLC_COPYPTR(transform.programStack[i].stack);
}
#ifdef CR_OPENGL_VERSION_2_0
SLC_COPYPTR(glsl.shaders);
SLC_COPYPTR(glsl.programs);
#endif
/* Have to preserve original context id */
CRASSERT(pTmpContext->id == pContext->id);
CRASSERT(VBOXTLSREFDATA_EQUAL(pContext, pTmpContext));
/* Copy ordinary state to real context */
crMemcpy(pContext, pTmpContext, sizeof(*pTmpContext));
crFree(pTmpContext);
pTmpContext = NULL;
/* Now deal with pointers */
/* Load transform state */
rc = SSMR3GetMem(pSSM, pContext->transform.clipPlane, sizeof(GLvectord)*CR_MAX_CLIP_PLANES);
AssertRCReturn(rc, rc);
rc = SSMR3GetMem(pSSM, pContext->transform.clip, sizeof(GLboolean)*CR_MAX_CLIP_PLANES);
AssertRCReturn(rc, rc);
rc = crStateLoadMatrixStack(&pContext->transform.modelViewStack, pSSM);
AssertRCReturn(rc, rc);
rc = crStateLoadMatrixStack(&pContext->transform.projectionStack, pSSM);
AssertRCReturn(rc, rc);
rc = crStateLoadMatrixStack(&pContext->transform.colorStack, pSSM);
AssertRCReturn(rc, rc);
for (i = 0 ; i < CR_MAX_TEXTURE_UNITS ; i++)
{
rc = crStateLoadMatrixStack(&pContext->transform.textureStack[i], pSSM);
AssertRCReturn(rc, rc);
}
for (i = 0 ; i < CR_MAX_PROGRAM_MATRICES ; i++)
{
rc = crStateLoadMatrixStack(&pContext->transform.programStack[i], pSSM);
AssertRCReturn(rc, rc);
}
/* Load Textures */
rc = crStateLoadTextureObjData(&pContext->texture.base1D, pSSM);
AssertRCReturn(rc, rc);
rc = crStateLoadTextureObjData(&pContext->texture.base2D, pSSM);
AssertRCReturn(rc, rc);
rc = crStateLoadTextureObjData(&pContext->texture.base3D, pSSM);
AssertRCReturn(rc, rc);
rc = crStateLoadTextureObjData(&pContext->texture.proxy1D, pSSM);
AssertRCReturn(rc, rc);
rc = crStateLoadTextureObjData(&pContext->texture.proxy2D, pSSM);
AssertRCReturn(rc, rc);
rc = crStateLoadTextureObjData(&pContext->texture.proxy3D, pSSM);
AssertRCReturn(rc, rc);
#ifdef CR_ARB_texture_cube_map
rc = crStateLoadTextureObjData(&pContext->texture.baseCubeMap, pSSM);
AssertRCReturn(rc, rc);
rc = crStateLoadTextureObjData(&pContext->texture.proxyCubeMap, pSSM);
AssertRCReturn(rc, rc);
#endif
#ifdef CR_NV_texture_rectangle
rc = crStateLoadTextureObjData(&pContext->texture.baseRect, pSSM);
AssertRCReturn(rc, rc);
rc = crStateLoadTextureObjData(&pContext->texture.proxyRect, pSSM);
AssertRCReturn(rc, rc);
#endif
if (bLoadShared)
{
/* Load shared textures */
CRASSERT(pContext->shared && pContext->shared->textureTable);
if (u32Version >= SHCROGL_SSM_VERSION_WITH_ALLOCATED_KEYS)
{
rc = crStateLoadKeys(pContext->shared->buffersTable, pSSM);
AssertRCReturn(rc, rc);
}
rc = SSMR3GetU32(pSSM, &uiNumElems);
AssertRCReturn(rc, rc);
for (ui=0; ui<uiNumElems; ++ui)
{
CRTextureObj *pTexture;
rc = SSMR3GetMem(pSSM, &key, sizeof(key));
AssertRCReturn(rc, rc);
pTexture = (CRTextureObj *) crCalloc(sizeof(CRTextureObj));
if (!pTexture) return VERR_NO_MEMORY;
rc = crStateLoadTextureObj(pTexture, pSSM, u32Version);
AssertRCReturn(rc, rc);
pTexture->hwid = 0;
/*allocate actual memory*/
for (i=0; i<6; ++i) {
pTexture->level[i] = (CRTextureLevel *) crCalloc(sizeof(CRTextureLevel) * CR_MAX_MIPMAP_LEVELS);
if (!pTexture->level[i]) return VERR_NO_MEMORY;
}
rc = crStateLoadTextureObjData(pTexture, pSSM);
AssertRCReturn(rc, rc);
crHashtableAdd(pContext->shared->textureTable, key, pTexture);
}
}
/* Load current texture pointers */
for (i=0; i<CR_MAX_TEXTURE_UNITS; ++i)
{
rc = crStateLoadTexUnitCurrentTexturePtrs(&pContext->texture.unit[i], pContext, pSSM);
AssertRCReturn(rc, rc);
}
/* Mark textures for resending to GPU */
pContext->shared->bTexResyncNeeded = GL_TRUE;
/* Load lights */
CRASSERT(pContext->lighting.light);
rc = SSMR3GetMem(pSSM, pContext->lighting.light, CR_MAX_LIGHTS * sizeof(*pContext->lighting.light));
AssertRCReturn(rc, rc);
/* Load attrib stack*/
for ( i = 0 ; i < CR_MAX_ATTRIB_STACK_DEPTH ; i++)
{
if (pContext->attrib.enableStack[i].clip)
{
rc = crStateAllocAndSSMR3GetMem(pSSM, (void**)&pContext->attrib.enableStack[i].clip,
pContext->limits.maxClipPlanes*sizeof(GLboolean));
AssertRCReturn(rc, rc);
}
if (pContext->attrib.enableStack[i].light)
{
rc = crStateAllocAndSSMR3GetMem(pSSM, (void**)&pContext->attrib.enableStack[i].light,
pContext->limits.maxLights*sizeof(GLboolean));
AssertRCReturn(rc, rc);
}
if (pContext->attrib.lightingStack[i].light)
{
rc = crStateAllocAndSSMR3GetMem(pSSM, (void**)&pContext->attrib.lightingStack[i].light,
pContext->limits.maxLights*sizeof(CRLight));
AssertRCReturn(rc, rc);
}
for (k=0; k<pContext->limits.maxTextureUnits; ++k)
{
rc = crStateLoadTexUnitCurrentTexturePtrs(&pContext->attrib.textureStack[i].unit[k], pContext, pSSM);
AssertRCReturn(rc, rc);
}
if (pContext->attrib.transformStack[i].clip)
{
rc = crStateAllocAndSSMR3GetMem(pSSM, (void*)&pContext->attrib.transformStack[i].clip,
pContext->limits.maxClipPlanes*sizeof(GLboolean));
AssertRCReturn(rc, rc);
}
if (pContext->attrib.transformStack[i].clipPlane)
{
rc = crStateAllocAndSSMR3GetMem(pSSM, (void**)&pContext->attrib.transformStack[i].clipPlane,
pContext->limits.maxClipPlanes*sizeof(GLvectord));
AssertRCReturn(rc, rc);
}
rc = crSateLoadEvalCoeffs1D(pContext->attrib.evalStack[i].eval1D, GL_TRUE, pSSM);
AssertRCReturn(rc, rc);
rc = crSateLoadEvalCoeffs2D(pContext->attrib.evalStack[i].eval2D, GL_TRUE, pSSM);
AssertRCReturn(rc, rc);
}
/* Load evaluator coeffs */
rc = crSateLoadEvalCoeffs1D(pContext->eval.eval1D, GL_FALSE, pSSM);
AssertRCReturn(rc, rc);
rc = crSateLoadEvalCoeffs2D(pContext->eval.eval2D, GL_FALSE, pSSM);
AssertRCReturn(rc, rc);
/* Load buffer objects */
#ifdef CR_ARB_vertex_buffer_object
if (bLoadShared)
{
if (u32Version >= SHCROGL_SSM_VERSION_WITH_ALLOCATED_KEYS)
{
rc = crStateLoadKeys(pContext->shared->textureTable, pSSM);
AssertRCReturn(rc, rc);
}
}
rc = SSMR3GetU32(pSSM, &uiNumElems);
AssertRCReturn(rc, rc);
for (ui=0; ui<=uiNumElems; ++ui) /*ui<=uiNumElems to load nullBuffer in same loop*/
{
CRBufferObject *pBufferObj;
rc = SSMR3GetMem(pSSM, &key, sizeof(key));
AssertRCReturn(rc, rc);
/* default one should be already allocated */
if (key==0)
{
pBufferObj = pContext->bufferobject.nullBuffer;
if (!pBufferObj) return VERR_SSM_UNEXPECTED_DATA;
}
else
{
pBufferObj = (CRBufferObject *) crCalloc(sizeof(*pBufferObj));
if (!pBufferObj) return VERR_NO_MEMORY;
}
rc = crStateLoadBufferObject(pBufferObj, pSSM, u32Version);
AssertRCReturn(rc, rc);
pBufferObj->hwid = 0;
if (pBufferObj->data)
{
CRASSERT(pBufferObj->size>0);
pBufferObj->data = crAlloc(pBufferObj->size);
rc = SSMR3GetMem(pSSM, pBufferObj->data, pBufferObj->size);
AssertRCReturn(rc, rc);
}
else if (pBufferObj->id!=0 && pBufferObj->size>0)
{
rc = SSMR3GetMem(pSSM, &pBufferObj->data, sizeof(pBufferObj->data));
AssertRCReturn(rc, rc);
if (pBufferObj->data)
{
pBufferObj->data = crAlloc(pBufferObj->size);
rc = SSMR3GetMem(pSSM, pBufferObj->data, pBufferObj->size);
AssertRCReturn(rc, rc);
}
}
if (key!=0)
crHashtableAdd(pContext->shared->buffersTable, key, pBufferObj);
}
/* Load pointers */
#define CRS_GET_BO(name) (((name)==0) ? (pContext->bufferobject.nullBuffer) : crHashtableSearch(pContext->shared->buffersTable, name))
rc = SSMR3GetU32(pSSM, &ui);
AssertRCReturn(rc, rc);
pContext->bufferobject.arrayBuffer = CRS_GET_BO(ui);
rc = SSMR3GetU32(pSSM, &ui);
AssertRCReturn(rc, rc);
pContext->bufferobject.elementsBuffer = CRS_GET_BO(ui);
#ifdef CR_ARB_pixel_buffer_object
rc = SSMR3GetU32(pSSM, &ui);
AssertRCReturn(rc, rc);
pContext->bufferobject.packBuffer = CRS_GET_BO(ui);
rc = SSMR3GetU32(pSSM, &ui);
AssertRCReturn(rc, rc);
pContext->bufferobject.unpackBuffer = CRS_GET_BO(ui);
#endif
#undef CRS_GET_BO
/* Load client pointers and array buffer bindings*/
for (i=0; i<CRSTATECLIENT_MAX_VERTEXARRAYS; ++i)
{
rc = crStateLoadClientPointer(&pContext->client.array, i, pContext, pSSM);
AssertRCReturn(rc, rc);
}
for (j=0; j<pContext->client.vertexArrayStackDepth; ++j)
{
CRVertexArrays *pArray = &pContext->client.vertexArrayStack[j];
for (i=0; i<CRSTATECLIENT_MAX_VERTEXARRAYS; ++i)
{
rc = crStateLoadClientPointer(pArray, i, pContext, pSSM);
AssertRCReturn(rc, rc);
}
}
pContext->shared->bVBOResyncNeeded = GL_TRUE;
#endif
/* Load pixel/vertex programs */
rc = SSMR3GetU32(pSSM, &uiNumElems);
AssertRCReturn(rc, rc);
/* Load defaults programs */
rc = crStateLoadProgram(&pContext->program.defaultVertexProgram, pSSM);
AssertRCReturn(rc, rc);
rc = crStateLoadProgram(&pContext->program.defaultFragmentProgram, pSSM);
AssertRCReturn(rc, rc);
/* Load all the rest */
for (ui=0; ui<uiNumElems; ++ui)
{
CRProgram *pProgram = NULL;
rc = crStateLoadProgram(&pProgram, pSSM);
AssertRCReturn(rc, rc);
crHashtableAdd(pContext->program.programHash, pProgram->id, pProgram);
//DIRTY(pProgram->dirtyProgram, pContext->neg_bitid);
}
/* Load Pointers */
rc = SSMR3GetU32(pSSM, &ui);
AssertRCReturn(rc, rc);
pContext->program.currentVertexProgram = ui==0 ? pContext->program.defaultVertexProgram
: crHashtableSearch(pContext->program.programHash, ui);
rc = SSMR3GetU32(pSSM, &ui);
AssertRCReturn(rc, rc);
pContext->program.currentFragmentProgram = ui==0 ? pContext->program.defaultFragmentProgram
: crHashtableSearch(pContext->program.programHash, ui);
/* Mark programs for resending to GPU */
pContext->program.bResyncNeeded = GL_TRUE;
#ifdef CR_EXT_framebuffer_object
/* Load FBOs */
if (bLoadShared)
{
if (u32Version >= SHCROGL_SSM_VERSION_WITH_ALLOCATED_KEYS)
{
rc = crStateLoadKeys(pContext->shared->fbTable, pSSM);
AssertRCReturn(rc, rc);
}
rc = SSMR3GetU32(pSSM, &uiNumElems);
AssertRCReturn(rc, rc);
for (ui=0; ui<uiNumElems; ++ui)
{
CRFramebufferObject *pFBO;
pFBO = crAlloc(sizeof(*pFBO));
if (!pFBO) return VERR_NO_MEMORY;
rc = SSMR3GetMem(pSSM, &key, sizeof(key));
AssertRCReturn(rc, rc);
rc = crStateLoadFramebufferObject(pFBO, pSSM, u32Version);
AssertRCReturn(rc, rc);
Assert(key == pFBO->id);
crHashtableAdd(pContext->shared->fbTable, key, pFBO);
}
if (u32Version >= SHCROGL_SSM_VERSION_WITH_ALLOCATED_KEYS)
{
rc = crStateLoadKeys(pContext->shared->rbTable, pSSM);
AssertRCReturn(rc, rc);
}
rc = SSMR3GetU32(pSSM, &uiNumElems);
AssertRCReturn(rc, rc);
for (ui=0; ui<uiNumElems; ++ui)
{
CRRenderbufferObject *pRBO;
pRBO = crAlloc(sizeof(*pRBO));
if (!pRBO) return VERR_NO_MEMORY;
rc = SSMR3GetMem(pSSM, &key, sizeof(key));
AssertRCReturn(rc, rc);
rc = crStateLoadRenderbufferObject(pRBO, pSSM, u32Version);
AssertRCReturn(rc, rc);
crHashtableAdd(pContext->shared->rbTable, key, pRBO);
}
}
rc = SSMR3GetU32(pSSM, &ui);
AssertRCReturn(rc, rc);
pContext->framebufferobject.drawFB = ui==0 ? NULL
: crHashtableSearch(pContext->shared->fbTable, ui);
rc = SSMR3GetU32(pSSM, &ui);
AssertRCReturn(rc, rc);
pContext->framebufferobject.readFB = ui==0 ? NULL
: crHashtableSearch(pContext->shared->fbTable, ui);
rc = SSMR3GetU32(pSSM, &ui);
AssertRCReturn(rc, rc);
pContext->framebufferobject.renderbuffer = ui==0 ? NULL
: crHashtableSearch(pContext->shared->rbTable, ui);
/* Mark FBOs/RBOs for resending to GPU */
pContext->shared->bFBOResyncNeeded = GL_TRUE;
#endif
#ifdef CR_OPENGL_VERSION_2_0
/* Load GLSL related info */
rc = SSMR3GetU32(pSSM, &uiNumElems);
AssertRCReturn(rc, rc);
for (ui=0; ui<uiNumElems; ++ui)
{
CRGLSLShader *pShader = crStateLoadGLSLShader(pSSM);
GLboolean fNewKeyCheck;
if (!pShader) return VERR_SSM_UNEXPECTED_DATA;
fNewKeyCheck = crHashtableAllocRegisterKey(pContext->glsl.programs, pShader->id);
CRASSERT(fNewKeyCheck);
crHashtableAdd(pContext->glsl.shaders, pShader->id, pShader);
}
rc = SSMR3GetU32(pSSM, &uiNumElems);
AssertRCReturn(rc, rc);
for (ui=0; ui<uiNumElems; ++ui)
{
CRGLSLProgram *pProgram;
uint32_t numShaders;
pProgram = crAlloc(sizeof(*pProgram));
if (!pProgram) return VERR_NO_MEMORY;
rc = SSMR3GetMem(pSSM, &key, sizeof(key));
AssertRCReturn(rc, rc);
rc = SSMR3GetMem(pSSM, pProgram, sizeof(*pProgram));
AssertRCReturn(rc, rc);
crHashtableAdd(pContext->glsl.programs, key, pProgram);
pProgram->currentState.attachedShaders = crAllocHashtable();
rc = SSMR3GetU32(pSSM, &numShaders);
AssertRCReturn(rc, rc);
for (k=0; k<numShaders; ++k)
{
rc = SSMR3GetMem(pSSM, &key, sizeof(key));
AssertRCReturn(rc, rc);
crHashtableAdd(pProgram->currentState.attachedShaders, key, crHashtableSearch(pContext->glsl.shaders, key));
}
if (pProgram->activeState.attachedShaders)
{
pProgram->activeState.attachedShaders = crAllocHashtable();
rc = SSMR3GetU32(pSSM, &numShaders);
AssertRCReturn(rc, rc);
for (k=0; k<numShaders; ++k)
{
CRGLSLShader *pShader = crStateLoadGLSLShader(pSSM);
if (!pShader) return VERR_SSM_UNEXPECTED_DATA;
crHashtableAdd(pProgram->activeState.attachedShaders, pShader->id, pShader);
}
}
if (pProgram->currentState.cAttribs)
pProgram->currentState.pAttribs = (CRGLSLAttrib*) crAlloc(pProgram->currentState.cAttribs*sizeof(CRGLSLAttrib));
for (k=0; k<pProgram->currentState.cAttribs; ++k)
{
rc = SSMR3GetMem(pSSM, &pProgram->currentState.pAttribs[k].index, sizeof(pProgram->currentState.pAttribs[k].index));
AssertRCReturn(rc, rc);
pProgram->currentState.pAttribs[k].name = crStateLoadString(pSSM);
}
if (pProgram->activeState.cAttribs)
pProgram->activeState.pAttribs = (CRGLSLAttrib*) crAlloc(pProgram->activeState.cAttribs*sizeof(CRGLSLAttrib));
for (k=0; k<pProgram->activeState.cAttribs; ++k)
{
rc = SSMR3GetMem(pSSM, &pProgram->activeState.pAttribs[k].index, sizeof(pProgram->activeState.pAttribs[k].index));
AssertRCReturn(rc, rc);
pProgram->activeState.pAttribs[k].name = crStateLoadString(pSSM);
}
{
int32_t cUniforms;
rc = SSMR3GetS32(pSSM, &cUniforms);
pProgram->cUniforms = cUniforms;
AssertRCReturn(rc, rc);
}
if (pProgram->cUniforms)
{
pProgram->pUniforms = crAlloc(pProgram->cUniforms*sizeof(CRGLSLUniform));
if (!pProgram->pUniforms) return VERR_NO_MEMORY;
for (k=0; k<pProgram->cUniforms; ++k)
{
size_t itemsize, datasize;
rc = SSMR3GetMem(pSSM, &pProgram->pUniforms[k].type, sizeof(GLenum));
AssertRCReturn(rc, rc);
pProgram->pUniforms[k].name = crStateLoadString(pSSM);
if (crStateIsIntUniform(pProgram->pUniforms[k].type))
{
itemsize = sizeof(GLint);
} else itemsize = sizeof(GLfloat);
datasize = crStateGetUniformSize(pProgram->pUniforms[k].type)*itemsize;
pProgram->pUniforms[k].data = crAlloc(datasize);
if (!pProgram->pUniforms[k].data) return VERR_NO_MEMORY;
rc = SSMR3GetMem(pSSM, pProgram->pUniforms[k].data, datasize);
AssertRCReturn(rc, rc);
}
}
}
rc = SSMR3GetU32(pSSM, &ui);
AssertRCReturn(rc, rc);
pContext->glsl.activeProgram = ui==0 ? NULL
: crHashtableSearch(pContext->glsl.programs, ui);
/*Mark for resending to GPU*/
pContext->glsl.bResyncNeeded = GL_TRUE;
#endif
if (pContext->error != err)
{
crWarning("context error state changed on context restore, was 0x%x, but became 0x%x, resetting to its original value",
err, pContext->error);
pContext->error = err;
}
return VINF_SUCCESS;
}