void CrBltLeave(PCR_BLITTER pBlitter)
{
if (!CrBltIsEntered(pBlitter))
{
crWarning("CrBltLeave: blitter not entered");
return;
}
if (pBlitter->Flags.SupportsFBO)
{
pBlitter->pDispatch->BindFramebufferEXT(GL_FRAMEBUFFER, 0);
pBlitter->pDispatch->DrawBuffer(GL_BACK);
pBlitter->pDispatch->ReadBuffer(GL_BACK);
}
pBlitter->pDispatch->Flush();
if (pBlitter->CtxInfo.Base.id)
{
if (pBlitter->pRestoreCtxInfo != &pBlitter->CtxInfo)
{
pBlitter->pDispatch->MakeCurrent(pBlitter->pRestoreMural->Base.id, 0, pBlitter->pRestoreCtxInfo->Base.id);
}
else
{
pBlitter->pDispatch->MakeCurrent(0, 0, 0);
}
}
pBlitter->pRestoreCtxInfo = NULL;
}
VBOXBLITTERDECL(int) CrBltImgGetTex(PCR_BLITTER pBlitter, const VBOXVR_TEXTURE *pSrc, GLenum enmFormat, CR_BLITTER_IMG *pDst)
{
if (!CrBltIsEntered(pBlitter))
{
crWarning("CrBltImgGetTex: blitter not entered");
return VERR_INVALID_STATE;
}
int rc = crBltImgCreateForTex(pSrc, pDst, enmFormat);
if (!RT_SUCCESS(rc))
{
crWarning("crBltImgCreateForTex failed, rc %d", rc);
return rc;
}
pBlitter->pDispatch->BindTexture(pSrc->target, pSrc->hwid);
#ifdef DEBUG_misha
{
GLint width = 0, height = 0, depth = 0;
pBlitter->pDispatch->GetTexLevelParameteriv(pSrc->target, 0, GL_TEXTURE_WIDTH, &width);
pBlitter->pDispatch->GetTexLevelParameteriv(pSrc->target, 0, GL_TEXTURE_HEIGHT, &height);
pBlitter->pDispatch->GetTexLevelParameteriv(pSrc->target, 0, GL_TEXTURE_DEPTH, &depth);
Assert(width == pSrc->width);
Assert(height == pSrc->height);
// Assert(depth == pSrc->depth);
}
#endif
pBlitter->pDispatch->GetTexImage(pSrc->target, 0, enmFormat, GL_UNSIGNED_BYTE, pDst->pvData);
pBlitter->pDispatch->BindTexture(pSrc->target, 0);
return VINF_SUCCESS;
}
int CrBltMuralSetCurrent(PCR_BLITTER pBlitter, const CR_BLITTER_WINDOW *pMural)
{
if (pMural)
{
if (!memcmp(&pBlitter->CurrentMural, pMural, sizeof (pBlitter->CurrentMural)))
return VINF_SUCCESS;
memcpy(&pBlitter->CurrentMural, pMural, sizeof (pBlitter->CurrentMural));
}
else
{
if (!pBlitter->CurrentMural.Base.id)
return VINF_SUCCESS;
pBlitter->CurrentMural.Base.id = 0;
}
pBlitter->Flags.CurrentMuralChanged = 1;
if (!CrBltIsEntered(pBlitter))
return VINF_SUCCESS;
else if (!pBlitter->CtxInfo.Base.id)
{
crWarning("setting current mural for entered no-context blitter");
return VERR_INVALID_STATE;
}
pBlitter->pDispatch->Flush();
if (pMural)
pBlitter->pDispatch->MakeCurrent(pMural->Base.id, pBlitter->i32MakeCurrentUserData, pBlitter->CtxInfo.Base.id);
else
pBlitter->pDispatch->MakeCurrent(0, 0, 0);
return VINF_SUCCESS;
}
VBOXBLITTERDECL(int) CrBltImgGetMural(PCR_BLITTER pBlitter, bool fBb, CR_BLITTER_IMG *pDst)
{
if (!CrBltIsEntered(pBlitter))
{
crWarning("CrBltImgGetMural: blitter not entered");
return VERR_INVALID_STATE;
}
crWarning("NOT IMPLEMENTED");
return VERR_NOT_IMPLEMENTED;
}
int CrBltEnter(PCR_BLITTER pBlitter, const CR_BLITTER_CONTEXT *pRestoreCtxInfo, const CR_BLITTER_WINDOW *pRestoreMural)
{
if (!pBlitter->CurrentMural.Base.id && pBlitter->CtxInfo.Base.id)
{
crWarning("current mural not initialized!");
return VERR_INVALID_STATE;
}
if (CrBltIsEntered(pBlitter))
{
crWarning("blitter is entered already!");
return VERR_INVALID_STATE;
}
if (pBlitter->CurrentMural.Base.id) /* <- pBlitter->CurrentMural.Base.id can be null if the blitter is in a "no-context" mode (see comments to BltInit for detail)*/
{
if (pRestoreCtxInfo)
pBlitter->pDispatch->Flush();
pBlitter->pDispatch->MakeCurrent(pBlitter->CurrentMural.Base.id, pBlitter->i32MakeCurrentUserData, pBlitter->CtxInfo.Base.id);
}
else
{
if (pRestoreCtxInfo)
{
crWarning("pRestoreCtxInfo is not NULL for \"no-context\" blitter");
pRestoreCtxInfo = NULL;
}
}
if (pRestoreCtxInfo)
{
pBlitter->pRestoreCtxInfo = pRestoreCtxInfo;
pBlitter->pRestoreMural = pRestoreMural;
}
else
{
pBlitter->pRestoreCtxInfo = &pBlitter->CtxInfo;
}
if (pBlitter->Flags.Initialized)
return VINF_SUCCESS;
int rc = crBltInitOnMakeCurent(pBlitter);
if (RT_SUCCESS(rc))
{
pBlitter->Flags.Initialized = 1;
return VINF_SUCCESS;
}
crWarning("crBltInitOnMakeCurent failed, rc %d", rc);
CrBltLeave(pBlitter);
return rc;
}
void CrBltPresent(PCR_BLITTER pBlitter)
{
if (!CrBltIsEntered(pBlitter))
{
crWarning("CrBltPresent: blitter not entered");
return;
}
if (pBlitter->CtxInfo.Base.visualBits & CR_DOUBLE_BIT)
pBlitter->pDispatch->SwapBuffers(pBlitter->CurrentMural.Base.id, 0);
else
pBlitter->pDispatch->Flush();
}
VBOXBLITTERDECL(void) CrBltImgFree(PCR_BLITTER pBlitter, CR_BLITTER_IMG *pDst)
{
if (!CrBltIsEntered(pBlitter))
{
crWarning("CrBltImgFree: blitter not entered");
return;
}
if (pDst->pvData)
{
RTMemFree(pDst->pvData);
pDst->pvData = NULL;
}
}
void CrBltBlitTexMural(PCR_BLITTER pBlitter, bool fBb, const VBOXVR_TEXTURE *pSrc, const RTRECT *paSrcRects, const RTRECT *paDstRects, uint32_t cRects, uint32_t fFlags)
{
if (!CrBltIsEntered(pBlitter))
{
crWarning("CrBltBlitTexMural: blitter not entered");
return;
}
RTRECTSIZE DstSize = {pBlitter->CurrentMural.width, pBlitter->CurrentMural.height};
pBlitter->pDispatch->BindFramebufferEXT(GL_DRAW_FRAMEBUFFER, 0);
crBltBlitTexBuf(pBlitter, pSrc, paSrcRects, fBb ? GL_BACK : GL_FRONT, &DstSize, paDstRects, cRects, fFlags);
}
void CrBltBlitTexTex(PCR_BLITTER pBlitter, const VBOXVR_TEXTURE *pSrc, const RTRECT *pSrcRect, const VBOXVR_TEXTURE *pDst, const RTRECT *pDstRect, uint32_t cRects, uint32_t fFlags)
{
if (!CrBltIsEntered(pBlitter))
{
crWarning("CrBltBlitTexTex: blitter not entered");
return;
}
RTRECTSIZE DstSize = {(uint32_t)pDst->width, (uint32_t)pDst->height};
pBlitter->pDispatch->BindFramebufferEXT(GL_DRAW_FRAMEBUFFER, pBlitter->idFBO);
/* TODO: mag/min filters ? */
pBlitter->pDispatch->FramebufferTexture2DEXT(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, pDst->target, pDst->hwid, 0);
// pBlitter->pDispatch->FramebufferTexture2DEXT(GL_DRAW_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, 0, 0);
// pBlitter->pDispatch->FramebufferTexture2DEXT(GL_DRAW_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_TEXTURE_2D, 0, 0);
crBltBlitTexBuf(pBlitter, pSrc, pSrcRect, GL_DRAW_FRAMEBUFFER, &DstSize, pDstRect, cRects, fFlags);
pBlitter->pDispatch->FramebufferTexture2DEXT(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, pDst->target, 0, 0);
}
VBOXBLITTERDECL(int) CrBltCleanup(PCR_BLITTER pBlitter, const CR_BLITTER_CONTEXT *pRestoreCtxInfo, const CR_BLITTER_WINDOW *pRestoreMural)
{
if (CrBltIsEntered(pBlitter))
{
crWarning("CrBltBlitTexTex: blitter is entered");
return VERR_INVALID_STATE;
}
if (pBlitter->Flags.ShadersGloal || !CrGlslNeedsCleanup(&pBlitter->LocalGlslCache))
return VINF_SUCCESS;
int rc = CrBltEnter(pBlitter, pRestoreCtxInfo, pRestoreMural);
if (!RT_SUCCESS(rc))
{
crWarning("CrBltEnter failed, rc %d", rc);
return rc;
}
CrGlslCleanup(&pBlitter->LocalGlslCache);
CrBltLeave(pBlitter);
return VINF_SUCCESS;
}
