| 1 | /** @file
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| 2 | *
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| 3 | * VBoxDisp -- Windows Guest OpenGL ICD
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| 4 | *
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| 5 | * Copyright (C) 2006-2007 innotek GmbH
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| 6 | *
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| 7 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 8 | * available from http://www.virtualbox.org. This file is free software;
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| 9 | * you can redistribute it and/or modify it under the terms of the GNU
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| 10 | * General Public License (GPL) as published by the Free Software
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| 11 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 12 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 13 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 14 | */
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| 15 | #define VBOX_OGL_WITH_CMD_STRINGS
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| 16 | #include "VBoxOGL.h"
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| 17 | #include <VBox/version.h>
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| 18 | #include <stdarg.h>
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| 19 | #include <stdio.h>
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| 20 |
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| 21 |
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| 22 | /**
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| 23 | * Queue a new OpenGL command
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| 24 | *
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| 25 | * @param enmOp OpenGL command op
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| 26 | * @param cParams Number of parameters
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| 27 | * @param cbParams Memory needed for parameters
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| 28 | */
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| 29 | void VBoxCmdStart(uint32_t enmOp, uint32_t cParams, uint32_t cbParams)
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| 30 | {
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| 31 | PVBOX_OGL_THREAD_CTX pCtx = VBoxOGLGetThreadCtx();
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| 32 | PVBOX_OGL_CMD pCmd = (PVBOX_OGL_CMD)pCtx->pCurrentCmd;
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| 33 |
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| 34 | DbgPrintf2(("Start %s cParams=%d cbParams=%d\n", pszVBoxOGLCmd[enmOp], cParams, cbParams));
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| 35 |
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| 36 | if (pCtx->pCurrentCmd + cParams*VBOX_OGL_CMD_ALIGN + cbParams + sizeof(VBOX_OGL_CMD) >= pCtx->pCmdBufferEnd)
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| 37 | {
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| 38 | DbgPrintf(("VBoxCmdStart -> cmd queue full -> flush!\n"));
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| 39 | VBoxOGLFlush();
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| 40 | pCmd = (PVBOX_OGL_CMD)pCtx->pCurrentCmd;
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| 41 | }
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| 42 | Assert(pCtx->pCurrentCmd + cbParams + sizeof(VBOX_OGL_CMD) < pCtx->pCmdBufferEnd);
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| 43 |
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| 44 | #ifdef VBOX_OGL_CMD_STRICT
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| 45 | pCmd->Magic = VBOX_OGL_CMD_MAGIC;
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| 46 | #endif
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| 47 | pCmd->enmOp = enmOp;
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| 48 | pCmd->cbCmd = sizeof(VBOX_OGL_CMD);
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| 49 | pCmd->cParams = cParams;
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| 50 | return;
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| 51 | }
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| 52 |
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| 53 | /**
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| 54 | * Add a parameter (fixed size) to the currently queued OpenGL command
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| 55 | *
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| 56 | * @param pParam Parameter ptr
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| 57 | * @param cbParam Parameter value size
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| 58 | */
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| 59 | void VBoxCmdSaveParameter(uint8_t *pParam, uint32_t cbParam)
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| 60 | {
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| 61 | PVBOX_OGL_THREAD_CTX pCtx = VBoxOGLGetThreadCtx();
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| 62 | PVBOX_OGL_CMD pCmd = (PVBOX_OGL_CMD)pCtx->pCurrentCmd;
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| 63 | uint8_t *pCurrentCmdBlock = (uint8_t *)pCmd + pCmd->cbCmd;
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| 64 |
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| 65 | Assert(pCurrentCmdBlock + cbParam < pCtx->pCmdBufferEnd);
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| 66 |
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| 67 | #ifdef DEBUG
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| 68 | switch(cbParam)
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| 69 | {
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| 70 | case 1:
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| 71 | DbgPrintf2(("Param %s val=%x cbParam=%d\n", pszVBoxOGLCmd[pCmd->enmOp], *(uint8_t *)pParam, cbParam));
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| 72 | break;
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| 73 | case 2:
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| 74 | DbgPrintf2(("Param %s val=%x cbParam=%d\n", pszVBoxOGLCmd[pCmd->enmOp], *(uint16_t *)pParam, cbParam));
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| 75 | break;
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| 76 | case 4:
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| 77 | default:
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| 78 | DbgPrintf2(("Param %s val=%x cbParam=%d\n", pszVBoxOGLCmd[pCmd->enmOp], *(uint32_t *)pParam, cbParam));
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| 79 | break;
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| 80 | }
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| 81 | #endif
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| 82 |
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| 83 | memcpy(pCurrentCmdBlock, pParam, cbParam);
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| 84 | pCmd->cbCmd += cbParam;
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| 85 | pCmd->cbCmd = RT_ALIGN(pCmd->cbCmd, VBOX_OGL_CMD_ALIGN);
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| 86 | }
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| 87 |
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| 88 | /**
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| 89 | * Add a parameter (variable size) to the currently queued OpenGL command
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| 90 | *
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| 91 | * @param pParam Parameter ptr
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| 92 | * @param cbParam Parameter value size
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| 93 | */
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| 94 | void VBoxCmdSaveMemParameter(uint8_t *pParam, uint32_t cbParam)
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| 95 | {
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| 96 | PVBOX_OGL_THREAD_CTX pCtx = VBoxOGLGetThreadCtx();
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| 97 | PVBOX_OGL_CMD pCmd = (PVBOX_OGL_CMD)pCtx->pCurrentCmd;
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| 98 | uint8_t *pCurrentCmdBlock = (uint8_t *)pCmd + pCmd->cbCmd;
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| 99 | PVBOX_OGL_VAR_PARAM pCurrentParam = (PVBOX_OGL_VAR_PARAM)pCurrentCmdBlock;
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| 100 |
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| 101 | Assert(pCurrentCmdBlock + cbParam < pCtx->pCmdBufferEnd);
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| 102 |
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| 103 | DbgPrintf2(("Mem Param %s cbParam=%d\n", pszVBoxOGLCmd[pCmd->enmOp], cbParam));
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| 104 |
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| 105 | #ifdef VBOX_OGL_CMD_STRICT
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| 106 | pCurrentParam->Magic = VBOX_OGL_CMD_MAGIC;
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| 107 | #endif
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| 108 |
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| 109 | if (pParam && cbParam)
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| 110 | {
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| 111 | pCurrentParam->cbParam = cbParam;
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| 112 | memcpy(pCurrentParam+1, pParam, cbParam);
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| 113 | }
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| 114 | else
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| 115 | {
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| 116 | pCurrentParam->cbParam = 0;
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| 117 | cbParam = 0;
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| 118 | }
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| 119 | pCmd->cbCmd += sizeof(*pCurrentParam) + cbParam;
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| 120 | pCmd->cbCmd = RT_ALIGN(pCmd->cbCmd, VBOX_OGL_CMD_ALIGN);
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| 121 | }
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| 122 |
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| 123 | /**
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| 124 | * Finish the queued command
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| 125 | *
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| 126 | * @param enmOp OpenGL command op
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| 127 | */
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| 128 | void VBoxCmdStop(uint32_t enmOp)
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| 129 | {
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| 130 | PVBOX_OGL_THREAD_CTX pCtx = VBoxOGLGetThreadCtx();
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| 131 | PVBOX_OGL_CMD pCmd = (PVBOX_OGL_CMD)pCtx->pCurrentCmd;
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| 132 | uint8_t *pCurrentCmdBlock = (uint8_t *)pCmd + pCmd->cbCmd;
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| 133 |
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| 134 | DbgPrintf2(("End %s cbCmd=%d\n", pszVBoxOGLCmd[pCmd->enmOp], pCmd->cbCmd));
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| 135 |
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| 136 | pCtx->pCurrentCmd = pCurrentCmdBlock;
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| 137 | pCtx->cCommands++;
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| 138 | }
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| 139 |
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