| 1 | /* Copyright (c) 2001, Stanford University
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| 2 | * All rights reserved.
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| 3 | *
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| 4 | * See the file LICENSE.txt for information on redistributing this software.
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| 5 | */
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| 6 |
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| 7 | #ifndef STATE_H
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| 8 | #define STATE_H
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| 9 |
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| 10 | #include "cr_glstate.h"
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| 11 | #ifdef CHROMIUM_THREADSAFE
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| 12 | #include "cr_threads.h"
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| 13 | #include <iprt/asm.h>
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| 14 | #endif
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| 15 |
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| 16 | typedef struct _crCheckIDHWID {
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| 17 | GLuint id, hwid;
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| 18 | } crCheckIDHWID_t;
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| 19 |
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| 20 | extern SPUDispatchTable diff_api;
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| 21 | extern CRStateBits *__currentBits;
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| 22 |
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| 23 | #define GetCurrentBits() __currentBits
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| 24 |
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| 25 | #ifdef CHROMIUM_THREADSAFE
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| 26 | extern CRtsd __contextTSD;
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| 27 | #define GetCurrentContext() (CRContext *) crGetTSD(&__contextTSD)
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| 28 |
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| 29 | /* NOTE: below ref & SetCurrentContext stuff is supposed to be used only internally!!
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| 30 | * it is placed here only to simplify things since some code besides state_init.c
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| 31 | * (i.e. state_glsl.c) is using it */
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| 32 | void crStateFreeContext(CRContext *ctx);
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| 33 | #define CRCONTEXT_ADDREF(_ctx) do { \
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| 34 | int cRefs = ASMAtomicIncS32(&((CRContext*)(_ctx))->cRefs); \
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| 35 | CRASSERT(cRefs > 1); \
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| 36 | } while (0)
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| 37 | #define CRCONTEXT_RELEASE(_ctx) do { \
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| 38 | int cRefs = ASMAtomicDecS32(&((CRContext*)(_ctx))->cRefs); \
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| 39 | CRASSERT(cRefs >= 0); \
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| 40 | if (!cRefs) { \
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| 41 | crStateFreeContext((_ctx)); \
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| 42 | } \
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| 43 | } while (0)
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| 44 | #define SetCurrentContext(_ctx) do { \
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| 45 | CRContext * oldCur = GetCurrentContext(); \
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| 46 | if (oldCur != (_ctx)) { \
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| 47 | if (oldCur) { \
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| 48 | CRCONTEXT_RELEASE(oldCur); \
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| 49 | } \
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| 50 | if ((_ctx)) { \
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| 51 | CRCONTEXT_ADDREF(_ctx); \
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| 52 | } \
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| 53 | crSetTSD(&__contextTSD, _ctx); \
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| 54 | } \
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| 55 | } while (0)
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| 56 | #else
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| 57 | extern CRContext *__currentContext;
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| 58 | #define GetCurrentContext() __currentContext
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| 59 | #endif
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| 60 |
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| 61 | extern void crStateTextureInitTextureObj (CRContext *ctx, CRTextureObj *tobj, GLuint name, GLenum target);
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| 62 | extern void crStateTextureInitTextureFormat( CRTextureLevel *tl, GLenum internalFormat );
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| 63 |
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| 64 | /* Normally these functions would have been in cr_bufferobject.h but
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| 65 | * that led to a number of issues.
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| 66 | */
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| 67 | void crStateBufferObjectInit(CRContext *ctx);
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| 68 |
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| 69 | void crStateBufferObjectDestroy (CRContext *ctx);
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| 70 |
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| 71 | void crStateBufferObjectDiff(CRBufferObjectBits *bb, CRbitvalue *bitID,
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| 72 | CRContext *fromCtx, CRContext *toCtx);
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| 73 |
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| 74 | void crStateBufferObjectSwitch(CRBufferObjectBits *bb, CRbitvalue *bitID,
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| 75 | CRContext *fromCtx, CRContext *toCtx);
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| 76 |
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| 77 | /* These would normally be in cr_client.h */
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| 78 |
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| 79 | void crStateClientDiff(CRClientBits *cb, CRbitvalue *bitID, CRContext *from, CRContext *to);
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| 80 |
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| 81 | void crStateClientSwitch(CRClientBits *cb, CRbitvalue *bitID, CRContext *from, CRContext *to);
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| 82 |
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| 83 | void crStateGetTextureObjectAndImage(CRContext *g, GLenum texTarget, GLint level,
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| 84 | CRTextureObj **obj, CRTextureLevel **img);
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| 85 |
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| 86 | void crStateFreeBufferObject(void *data);
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| 87 | void crStateFreeFBO(void *data);
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| 88 | void crStateFreeRBO(void *data);
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| 89 | #endif
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