| 1 | /* $Id$ */
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| 2 |
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| 3 | /** @file
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| 4 | * Blitter API
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| 5 | */
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| 6 | /*
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| 7 | * Copyright (C) 2013 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | */
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| 17 | #ifndef ___cr_blitter_h__
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| 18 | #define ___cr_blitter_h__
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| 19 |
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| 20 | #include <iprt/cdefs.h>
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| 21 | #include "cr_spu.h"
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| 22 | #include "cr_vreg.h"
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| 23 |
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| 24 | #ifndef IN_RING0
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| 25 | # define VBOXBLITTERDECL(_type) DECLEXPORT(_type)
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| 26 | #else
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| 27 | # define VBOXBLITTERDECL(_type) RTDECL(_type)
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| 28 | #endif
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| 29 |
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| 30 | RT_C_DECLS_BEGIN
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| 31 |
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| 32 | /* BLITTER */
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| 33 | typedef struct CR_BLITTER_BUFFER
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| 34 | {
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| 35 | GLuint cbBuffer;
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| 36 | GLvoid * pvBuffer;
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| 37 | } CR_BLITTER_BUFFER, *PCR_BLITTER_BUFFER;
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| 38 |
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| 39 | typedef union CR_BLITTER_FLAGS
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| 40 | {
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| 41 | struct
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| 42 | {
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| 43 | uint32_t Initialized : 1;
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| 44 | uint32_t CtxCreated : 1;
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| 45 | uint32_t SupportsFBO : 1;
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| 46 | uint32_t SupportsFBOBlit : 1;
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| 47 | uint32_t CurrentMuralChanged : 1;
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| 48 | uint32_t LastWasFBODraw : 1;
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| 49 | uint32_t Reserved : 26;
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| 50 | };
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| 51 | uint32_t Value;
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| 52 | } CR_BLITTER_FLAGS, *PCR_BLITTER_FLAGS;
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| 53 |
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| 54 | struct CR_BLITTER;
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| 55 |
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| 56 | typedef DECLCALLBACK(int) FNCRBLT_BLITTER(struct CR_BLITTER *pBlitter, VBOXVR_TEXTURE *pSrc, const RTRECT *paSrcRect, const RTRECTSIZE *pDstSize, const RTRECT *paDstRect, uint32_t cRects, uint32_t fFlags);
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| 57 | typedef FNCRBLT_BLITTER *PFNCRBLT_BLITTER;
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| 58 |
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| 59 | #define CRBLT_F_LINEAR 0x00000001
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| 60 | #define CRBLT_F_OFFSCREEN 0x00000002
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| 61 |
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| 62 | typedef struct CR_BLITTER_SPUITEM
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| 63 | {
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| 64 | int id;
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| 65 | GLint visualBits;
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| 66 | } CR_BLITTER_SPUITEM, *PCR_BLITTER_SPUITEM;
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| 67 |
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| 68 | typedef struct CR_BLITTER_CONTEXT
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| 69 | {
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| 70 | CR_BLITTER_SPUITEM Base;
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| 71 | } CR_BLITTER_CONTEXT, *PCR_BLITTER_CONTEXT;
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| 72 |
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| 73 | typedef struct CR_BLITTER_WINDOW
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| 74 | {
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| 75 | CR_BLITTER_SPUITEM Base;
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| 76 | GLuint width, height;
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| 77 | } CR_BLITTER_WINDOW, *PCR_BLITTER_WINDOW;
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| 78 |
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| 79 | typedef struct CR_BLITTER
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| 80 | {
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| 81 | GLuint idFBO;
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| 82 | CR_BLITTER_FLAGS Flags;
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| 83 | PFNCRBLT_BLITTER pfnBlt;
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| 84 | CR_BLITTER_BUFFER Verticies;
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| 85 | CR_BLITTER_BUFFER Indicies;
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| 86 | RTRECTSIZE CurrentSetSize;
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| 87 | CR_BLITTER_WINDOW *pCurrentMural;
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| 88 | CR_BLITTER_CONTEXT CtxInfo;
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| 89 | CR_BLITTER_CONTEXT *pRestoreCtxInfo;
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| 90 | CR_BLITTER_WINDOW *pRestoreMural;
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| 91 | int32_t i32MakeCurrentUserData;
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| 92 | SPUDispatchTable *pDispatch;
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| 93 | } CR_BLITTER, *PCR_BLITTER;
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| 94 |
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| 95 | VBOXBLITTERDECL(int) CrBltInit(PCR_BLITTER pBlitter, CR_BLITTER_CONTEXT *pCtxBase, bool fCreateNewCtx, SPUDispatchTable *pDispatch);
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| 96 | VBOXBLITTERDECL(void) CrBltTerm(PCR_BLITTER pBlitter);
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| 97 |
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| 98 | DECLINLINE(GLboolean) CrBltSupportsTexTex(PCR_BLITTER pBlitter)
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| 99 | {
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| 100 | return pBlitter->Flags.SupportsFBO;
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| 101 | }
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| 102 |
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| 103 | DECLINLINE(GLboolean) CrBltIsEntered(PCR_BLITTER pBlitter)
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| 104 | {
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| 105 | return !!pBlitter->pRestoreCtxInfo;
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| 106 | }
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| 107 |
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| 108 | DECLINLINE(GLboolean) CrBltIsEverEntered(PCR_BLITTER pBlitter)
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| 109 | {
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| 110 | return !!pBlitter->Flags.Initialized;
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| 111 | }
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| 112 |
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| 113 | DECLINLINE(void) CrBltSetMakeCurrentUserData(PCR_BLITTER pBlitter, int32_t i32MakeCurrentUserData)
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| 114 | {
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| 115 | pBlitter->i32MakeCurrentUserData = i32MakeCurrentUserData;
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| 116 | }
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| 117 |
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| 118 | VBOXBLITTERDECL(void) CrBltMuralSetCurrent(PCR_BLITTER pBlitter, CR_BLITTER_WINDOW *pMural);
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| 119 | DECLINLINE(CR_BLITTER_WINDOW *) CrBltMuralGetCurrent(PCR_BLITTER pBlitter)
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| 120 | {
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| 121 | return pBlitter->pCurrentMural;
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| 122 | }
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| 123 |
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| 124 | VBOXBLITTERDECL(void) CrBltLeave(PCR_BLITTER pBlitter);
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| 125 | VBOXBLITTERDECL(int) CrBltEnter(PCR_BLITTER pBlitter, CR_BLITTER_CONTEXT *pRestoreCtxInfo, CR_BLITTER_WINDOW *pRestoreMural);
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| 126 | VBOXBLITTERDECL(void) CrBltBlitTexMural(PCR_BLITTER pBlitter, VBOXVR_TEXTURE *pSrc, const RTRECT *paSrcRects, const RTRECT *paDstRects, uint32_t cRects, uint32_t fFlags);
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| 127 | VBOXBLITTERDECL(void) CrBltBlitTexTex(PCR_BLITTER pBlitter, VBOXVR_TEXTURE *pSrc, const RTRECT *pSrcRect, VBOXVR_TEXTURE *pDst, const RTRECT *pDstRect, uint32_t cRects, uint32_t fFlags);
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| 128 | VBOXBLITTERDECL(void) CrBltPresent(PCR_BLITTER pBlitter);
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| 129 | /* */
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| 130 |
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| 131 | RT_C_DECLS_END
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| 132 |
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| 133 | #endif /* #ifndef ___cr_blitter_h__ */
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