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-rw-r--r--src/VBox/HostServices/SharedOpenGL/render/renderspu.c1960
1 files changed, 1960 insertions, 0 deletions
diff --git a/src/VBox/HostServices/SharedOpenGL/render/renderspu.c b/src/VBox/HostServices/SharedOpenGL/render/renderspu.c
new file mode 100644
index 00000000..52a1dfca
--- /dev/null
+++ b/src/VBox/HostServices/SharedOpenGL/render/renderspu.c
@@ -0,0 +1,1960 @@
+/* Copyright (c) 2001, Stanford University
+ * All rights reserved
+ *
+ * See the file LICENSE.txt for information on redistributing this software.
+ */
+
+#include "cr_environment.h"
+#include "cr_string.h"
+#include "cr_error.h"
+#include "cr_mem.h"
+#include "cr_spu.h"
+#include "cr_environment.h"
+#include "renderspu.h"
+#include "cr_extstring.h"
+
+#include <iprt/asm.h>
+
+uint32_t renderspuContextRelease(ContextInfo *context);
+uint32_t renderspuContextRetain(ContextInfo *context);
+
+static void
+DoSync(void)
+{
+ CRMessage *in, out;
+
+ out.header.type = CR_MESSAGE_OOB;
+
+ if (render_spu.is_swap_master)
+ {
+ int a;
+
+ for (a = 0; a < render_spu.num_swap_clients; a++)
+ {
+ crNetGetMessage( render_spu.swap_conns[a], &in );
+ crNetFree( render_spu.swap_conns[a], in);
+ }
+
+ for (a = 0; a < render_spu.num_swap_clients; a++)
+ crNetSend( render_spu.swap_conns[a], NULL, &out, sizeof(CRMessage));
+ }
+ else
+ {
+ crNetSend( render_spu.swap_conns[0], NULL, &out, sizeof(CRMessage));
+
+ crNetGetMessage( render_spu.swap_conns[0], &in );
+ crNetFree( render_spu.swap_conns[0], in);
+ }
+}
+
+
+
+/*
+ * Visual functions
+ */
+
+/**
+ * used for debugging and giving info to the user.
+ */
+void
+renderspuMakeVisString( GLbitfield visAttribs, char *s )
+{
+ s[0] = 0;
+
+ if (visAttribs & CR_RGB_BIT)
+ crStrcat(s, "RGB");
+ if (visAttribs & CR_ALPHA_BIT)
+ crStrcat(s, "A");
+ if (visAttribs & CR_DOUBLE_BIT)
+ crStrcat(s, ", Doublebuffer");
+ if (visAttribs & CR_STEREO_BIT)
+ crStrcat(s, ", Stereo");
+ if (visAttribs & CR_DEPTH_BIT)
+ crStrcat(s, ", Z");
+ if (visAttribs & CR_STENCIL_BIT)
+ crStrcat(s, ", Stencil");
+ if (visAttribs & CR_ACCUM_BIT)
+ crStrcat(s, ", Accum");
+ if (visAttribs & CR_MULTISAMPLE_BIT)
+ crStrcat(s, ", Multisample");
+ if (visAttribs & CR_OVERLAY_BIT)
+ crStrcat(s, ", Overlay");
+ if (visAttribs & CR_PBUFFER_BIT)
+ crStrcat(s, ", PBuffer");
+}
+
+GLboolean renderspuInitVisual(VisualInfo *pVisInfo, const char *displayName, GLbitfield visAttribs)
+{
+ pVisInfo->displayName = crStrdup(displayName);
+ pVisInfo->visAttribs = visAttribs;
+ return renderspu_SystemInitVisual(pVisInfo);
+}
+
+/*
+ * Find a VisualInfo which matches the given display name and attribute
+ * bitmask, or return a pointer to a new visual.
+ */
+VisualInfo *
+renderspuFindVisual(const char *displayName, GLbitfield visAttribs)
+{
+ int i;
+
+ if (!displayName)
+ displayName = "";
+
+ /* first, try to find a match */
+#if defined(WINDOWS) || defined(DARWIN)
+ for (i = 0; i < render_spu.numVisuals; i++) {
+ if (visAttribs == render_spu.visuals[i].visAttribs) {
+ return &(render_spu.visuals[i]);
+ }
+ }
+#elif defined(GLX)
+ for (i = 0; i < render_spu.numVisuals; i++) {
+ if (crStrcmp(displayName, render_spu.visuals[i].displayName) == 0
+ && visAttribs == render_spu.visuals[i].visAttribs) {
+ return &(render_spu.visuals[i]);
+ }
+ }
+#endif
+
+ if (render_spu.numVisuals >= MAX_VISUALS)
+ {
+ crWarning("Render SPU: Couldn't create a visual, too many visuals already");
+ return NULL;
+ }
+
+ /* create a new visual */
+ i = render_spu.numVisuals;
+ if (renderspuInitVisual(&(render_spu.visuals[i]), displayName, visAttribs)) {
+ render_spu.numVisuals++;
+ return &(render_spu.visuals[i]);
+ }
+ else {
+ crWarning("Render SPU: Couldn't get a visual, renderspu_SystemInitVisual failed");
+ return NULL;
+ }
+}
+
+static ContextInfo * renderspuCreateContextInternal(const char *dpyName, GLint visBits, GLint idCtx, ContextInfo * sharedContext)
+{
+ ContextInfo *context;
+ VisualInfo *visual;
+
+ if (idCtx <= 0)
+ {
+ idCtx = (GLint)crHashtableAllocKeys(render_spu.contextTable, 1);
+ if (idCtx <= 0)
+ {
+ crWarning("failed to allocate context id");
+ return NULL;
+ }
+ }
+ else
+ {
+ if (crHashtableIsKeyUsed(render_spu.contextTable, idCtx))
+ {
+ crWarning("the specified ctx key %d is in use", idCtx);
+ return NULL;
+ }
+ }
+
+
+ if (!dpyName || crStrlen(render_spu.display_string)>0)
+ dpyName = render_spu.display_string;
+
+ visual = renderspuFindVisual(dpyName, visBits);
+ if (!visual)
+ return NULL;
+
+ context = (ContextInfo *) crCalloc(sizeof(ContextInfo));
+ if (!context)
+ return NULL;
+ context->BltInfo.Base.id = idCtx;
+ context->shared = sharedContext;
+ if (!renderspu_SystemCreateContext(visual, context, sharedContext))
+ return NULL;
+
+ crHashtableAdd(render_spu.contextTable, idCtx, context);
+
+ context->BltInfo.Base.visualBits = visual->visAttribs;
+ /*
+ crDebug("Render SPU: CreateContext(%s, 0x%x) returning %d",
+ dpyName, visBits, context->BltInfo.Base.id);
+ */
+
+ if (sharedContext)
+ renderspuContextRetain(sharedContext);
+
+ context->cRefs = 1;
+
+ return context;
+}
+
+GLint renderspuCreateContextEx(const char *dpyName, GLint visBits, GLint id, GLint shareCtx)
+{
+ ContextInfo *context, *sharedContext = NULL;
+
+ if (shareCtx) {
+ sharedContext
+ = (ContextInfo *) crHashtableSearch(render_spu.contextTable, shareCtx);
+ CRASSERT(sharedContext);
+ }
+
+ context = renderspuCreateContextInternal(dpyName, visBits, id, sharedContext);
+ if (context)
+ return context->BltInfo.Base.id;
+ return -1;
+}
+
+/*
+ * Context functions
+ */
+
+GLint RENDER_APIENTRY
+renderspuCreateContext(const char *dpyName, GLint visBits, GLint shareCtx)
+{
+ return renderspuCreateContextEx(dpyName, visBits, 0, shareCtx);
+}
+
+static void renderspuDestroyContextTerminate( ContextInfo *context )
+{
+ CRASSERT(context->BltInfo.Base.id == -1);
+ renderspu_SystemDestroyContext( context );
+ if (context->extensionString) {
+ crFree(context->extensionString);
+ context->extensionString = NULL;
+ }
+
+ if (context->shared)
+ renderspuContextRelease( context->shared );
+
+ crFree(context);
+}
+
+uint32_t renderspuContextRetain( ContextInfo *context )
+{
+ Assert(context->cRefs);
+ return ASMAtomicIncU32(&context->cRefs);
+}
+
+uint32_t renderspuContextRelease( ContextInfo *context )
+{
+ uint32_t cRefs = ASMAtomicDecU32(&context->cRefs);
+ if (!cRefs)
+ renderspuDestroyContextTerminate( context );
+ else
+ CRASSERT(cRefs < UINT32_MAX/2);
+ return cRefs;
+}
+
+uint32_t renderspuContextMarkDeletedAndRelease( ContextInfo *context )
+{
+ /* invalidate the context id to mark it as deleted */
+ context->BltInfo.Base.id = -1;
+
+ /* some drivers do not like when the base (shared) context is deleted before its referals,
+ * this is why we keep a context refference counting the base (shared) context will be destroyed as soon as*/
+ return renderspuContextRelease( context );
+}
+
+ContextInfo * renderspuDefaultSharedContextAcquire()
+{
+ ContextInfo * pCtx = render_spu.defaultSharedContext;
+ if (!pCtx)
+ return NULL;
+
+ renderspuContextRetain(pCtx);
+ return pCtx;
+}
+
+void renderspuDefaultSharedContextRelease(ContextInfo * pCtx)
+{
+ renderspuContextRelease(pCtx);
+}
+
+
+static void RENDER_APIENTRY
+renderspuDestroyContext( GLint ctx )
+{
+ ContextInfo *context, *curCtx;
+
+ CRASSERT(ctx);
+
+ if (ctx == CR_RENDER_DEFAULT_CONTEXT_ID)
+ {
+ crWarning("request to destroy a default context, ignoring");
+ return;
+ }
+
+ context = (ContextInfo *) crHashtableSearch(render_spu.contextTable, ctx);
+
+ if (!context)
+ {
+ crWarning("request to delete inexistent context");
+ return;
+ }
+
+ if (render_spu.defaultSharedContext == context)
+ {
+ renderspuSetDefaultSharedContext(NULL);
+ }
+
+ curCtx = GET_CONTEXT_VAL();
+// CRASSERT(curCtx);
+ if (curCtx == context)
+ {
+ renderspuMakeCurrent( CR_RENDER_DEFAULT_WINDOW_ID, 0, CR_RENDER_DEFAULT_CONTEXT_ID );
+ curCtx = GET_CONTEXT_VAL();
+ Assert(curCtx);
+ Assert(curCtx != context);
+ }
+
+ crHashtableDelete(render_spu.contextTable, ctx, NULL);
+
+ renderspuContextMarkDeletedAndRelease(context);
+}
+
+WindowInfo* renderspuWinCreate(GLint visBits, GLint id)
+{
+ WindowInfo* window = (WindowInfo *)crAlloc(sizeof (*window));
+ if (!window)
+ {
+ crWarning("crAlloc failed");
+ return NULL;
+ }
+
+ if (!renderspuWinInit(window, NULL, visBits, id))
+ {
+ crWarning("renderspuWinInit failed");
+ crFree(window);
+ return NULL;
+ }
+
+ return window;
+}
+
+void renderspuWinTermOnShutdown(WindowInfo *window)
+{
+ renderspuVBoxCompositorSet(window, NULL);
+ renderspuVBoxPresentBlitterCleanup(window);
+ window->BltInfo.Base.id = -1;
+ renderspu_SystemDestroyWindow( window );
+}
+
+static void renderspuCheckCurrentCtxWindowCB(unsigned long key, void *data1, void *data2)
+{
+ ContextInfo *pCtx = (ContextInfo *) data1;
+ WindowInfo *pWindow = data2;
+ (void) key;
+
+ if (pCtx->currentWindow==pWindow)
+ {
+ WindowInfo* pDummy = renderspuGetDummyWindow(pCtx->BltInfo.Base.visualBits);
+ if (pDummy)
+ {
+ renderspuPerformMakeCurrent(pDummy, 0, pCtx);
+ }
+ else
+ {
+ crWarning("failed to get dummy window");
+ renderspuMakeCurrent(CR_RENDER_DEFAULT_WINDOW_ID, 0, pCtx->BltInfo.Base.id);
+ }
+ }
+}
+
+void renderspuWinTerm( WindowInfo *window )
+{
+ if (!renderspuWinIsTermed(window))
+ {
+
+ GET_CONTEXT(pOldCtx);
+ WindowInfo * pOldWindow = pOldCtx ? pOldCtx->currentWindow : NULL;
+ CRASSERT(!pOldCtx == !pOldWindow);
+ /* ensure no concurrent draws can take place */
+ renderspuWinTermOnShutdown(window);
+ /* check if this window is bound to some ctx. Note: window pointer is already freed here */
+ crHashtableWalk(render_spu.contextTable, renderspuCheckCurrentCtxWindowCB, window);
+ /* restore current context */
+ {
+ GET_CONTEXT(pNewCtx);
+ WindowInfo * pNewWindow = pNewCtx ? pNewCtx->currentWindow : NULL;
+ CRASSERT(!pNewCtx == !pNewWindow);
+
+ if (pOldWindow == window)
+ renderspuMakeCurrent(CR_RENDER_DEFAULT_WINDOW_ID, 0, CR_RENDER_DEFAULT_CONTEXT_ID);
+ else if (pNewCtx != pOldCtx || pOldWindow != pNewWindow)
+ {
+ if (pOldCtx)
+ renderspuPerformMakeCurrent(pOldWindow, 0, pOldCtx);
+ else
+ renderspuMakeCurrent(CR_RENDER_DEFAULT_WINDOW_ID, 0, CR_RENDER_DEFAULT_CONTEXT_ID);
+ }
+ }
+
+ }
+}
+
+void renderspuWinCleanup(WindowInfo *window)
+{
+ renderspuWinTerm( window );
+ RTCritSectDelete(&window->CompositorLock);
+}
+
+void renderspuWinDestroy(WindowInfo *window)
+{
+ renderspuWinCleanup(window);
+ crFree(window);
+}
+
+WindowInfo* renderspuGetDummyWindow(GLint visBits)
+{
+ WindowInfo *window = (WindowInfo *) crHashtableSearch(render_spu.dummyWindowTable, visBits);
+ if (!window)
+ {
+ window = renderspuWinCreate(visBits, -1);
+ if (!window)
+ {
+ WARN(("renderspuWinCreate failed"));
+ return NULL;
+ }
+
+ crHashtableAdd(render_spu.dummyWindowTable, visBits, window);
+ }
+
+ return window;
+}
+
+/* Check that OpenGL extensions listed in pszRequiredExts string also exist in the pszAvailableExts string. */
+static void renderCompareGLExtensions(const char *pszAvailableExts, const char *pszRequiredExts)
+{
+ unsigned char fPrintHeader = 1;
+ const char *pszExt = pszRequiredExts;
+
+ for (;;)
+ {
+ const char *pszSrc = pszAvailableExts;
+ size_t offExtEnd;
+
+ while (*pszExt == ' ')
+ ++pszExt;
+
+ if (!*pszExt)
+ break;
+
+ offExtEnd = RTStrOffCharOrTerm(pszExt, ' ');
+
+ for (;;)
+ {
+ size_t offSrcEnd;
+
+ while (*pszSrc == ' ')
+ ++pszSrc;
+
+ if (!*pszSrc)
+ break;
+
+ offSrcEnd = RTStrOffCharOrTerm(pszSrc, ' ');
+
+ if ( offSrcEnd == offExtEnd
+ && memcmp(pszSrc, pszExt, offSrcEnd) == 0)
+ break;
+
+ pszSrc += offSrcEnd;
+ }
+
+ if (!*pszSrc)
+ {
+ if (fPrintHeader)
+ {
+ fPrintHeader = 0;
+ crInfo("Host does not support OpenGL extension(s):");
+ }
+ crInfo(" %.*s", offExtEnd, pszExt);
+ }
+
+ pszExt += offExtEnd;
+ }
+}
+
+void renderspuPerformMakeCurrent(WindowInfo *window, GLint nativeWindow, ContextInfo *context)
+{
+ if (window && context)
+ {
+#ifdef CHROMIUM_THREADSAFE
+ crSetTSD(&_RenderTSD, context);
+#else
+ render_spu.currentContext = context;
+#endif
+ context->currentWindow = window;
+
+ renderspu_SystemMakeCurrent( window, nativeWindow, context );
+ if (!context->everCurrent) {
+ static volatile uint32_t u32ExtCompared = 0;
+ /* print OpenGL info */
+ const char *extString = (const char *) render_spu.ws.glGetString( GL_EXTENSIONS );
+ /*
+ crDebug( "Render SPU: GL_EXTENSIONS: %s", render_spu.ws.glGetString( GL_EXTENSIONS ) );
+ */
+ crInfo( "Render SPU: GL_VENDOR: %s", render_spu.ws.glGetString( GL_VENDOR ) );
+ crInfo( "Render SPU: GL_RENDERER: %s", render_spu.ws.glGetString( GL_RENDERER ) );
+ crInfo( "Render SPU: GL_VERSION: %s", render_spu.ws.glGetString( GL_VERSION ) );
+ crInfo( "Render SPU: GL_EXTENSIONS: %s", render_spu.ws.glGetString( GL_EXTENSIONS ) );
+
+ if (ASMAtomicCmpXchgU32(&u32ExtCompared, 1, 0))
+ renderCompareGLExtensions(extString, crExtensions);
+
+ if (crStrstr(extString, "GL_ARB_window_pos"))
+ context->haveWindowPosARB = GL_TRUE;
+ else
+ context->haveWindowPosARB = GL_FALSE;
+ context->everCurrent = GL_TRUE;
+ }
+ if (window->BltInfo.Base.id == CR_RENDER_DEFAULT_WINDOW_ID && window->mapPending &&
+ !render_spu.render_to_app_window && !render_spu.render_to_crut_window) {
+ /* Window[CR_RENDER_DEFAULT_CONTEXT_ID] is special, it's the default window and normally hidden.
+ * If the mapPending flag is set, then we should now make the window
+ * visible.
+ */
+ /*renderspu_SystemShowWindow( window, GL_TRUE );*/
+ window->mapPending = GL_FALSE;
+ }
+ window->everCurrent = GL_TRUE;
+ }
+ else if (!window && !context)
+ {
+ renderspu_SystemMakeCurrent( NULL, 0, NULL );
+#ifdef CHROMIUM_THREADSAFE
+ crSetTSD(&_RenderTSD, NULL);
+#else
+ render_spu.currentContext = NULL;
+#endif
+ }
+ else
+ {
+ crError("renderspuMakeCurrent invalid ids: crWindow(%d), ctx(%d)",
+ window ? window->BltInfo.Base.id : 0,
+ context ? context->BltInfo.Base.id : 0);
+ }
+}
+
+void RENDER_APIENTRY
+renderspuMakeCurrent(GLint crWindow, GLint nativeWindow, GLint ctx)
+{
+ WindowInfo *window = NULL;
+ ContextInfo *context = NULL;
+
+ /*
+ crDebug("%s win=%d native=0x%x ctx=%d", __FUNCTION__, crWindow, (int) nativeWindow, ctx);
+ */
+
+ if (crWindow)
+ {
+ window = (WindowInfo *) crHashtableSearch(render_spu.windowTable, crWindow);
+ if (!window)
+ {
+ crWarning("invalid window %d specified", crWindow);
+ return;
+ }
+ }
+
+ if (ctx)
+ {
+ context = (ContextInfo *) crHashtableSearch(render_spu.contextTable, ctx);
+ if (!context)
+ {
+ crWarning("invalid context %d specified", ctx);
+ return;
+ }
+ }
+
+ if (!context != !window)
+ {
+ crWarning("either window %d or context %d are zero", crWindow, ctx);
+ return;
+ }
+
+ renderspuPerformMakeCurrent(window, nativeWindow, context);
+}
+
+GLboolean renderspuWinInitWithVisual( WindowInfo *window, VisualInfo *visual, GLboolean showIt, GLint id )
+{
+ crMemset(window, 0, sizeof (*window));
+ RTCritSectInit(&window->CompositorLock);
+ window->pCompositor = NULL;
+
+ window->BltInfo.Base.id = id;
+
+ window->x = render_spu.defaultX;
+ window->y = render_spu.defaultY;
+ window->BltInfo.width = render_spu.defaultWidth;
+ window->BltInfo.height = render_spu.defaultHeight;
+
+ /* Set window->title, replacing %i with the window ID number */
+ {
+ const char *s = crStrstr(render_spu.window_title, "%i");
+ if (s) {
+ int i, j, k;
+ window->title = crAlloc(crStrlen(render_spu.window_title) + 10);
+ for (i = 0; render_spu.window_title[i] != '%'; i++)
+ window->title[i] = render_spu.window_title[i];
+ k = sprintf(window->title + i, "%d", window->BltInfo.Base.id);
+ CRASSERT(k < 10);
+ i++; /* skip the 'i' after the '%' */
+ j = i + k;
+ for (; (window->title[j] = s[i]) != 0; i++, j++)
+ ;
+ }
+ else {
+ window->title = crStrdup(render_spu.window_title);
+ }
+ }
+
+ window->BltInfo.Base.visualBits = visual->visAttribs;
+
+ window->cRefs = 1;
+
+ /*
+ crDebug("Render SPU: Creating window (visBits=0x%x, id=%d)", visBits, window->BltInfo.Base.id);
+ */
+ /* Have GLX/WGL/AGL create the window */
+ if (!renderspu_SystemVBoxCreateWindow( visual, showIt, window ))
+ {
+ crWarning( "Render SPU: Couldn't create a window, renderspu_SystemCreateWindow failed" );
+ return GL_FALSE;
+ }
+
+ window->visible = !!showIt;
+
+ CRASSERT(window->visual == visual);
+ return GL_TRUE;
+}
+
+/*
+ * Window functions
+ */
+GLboolean renderspuWinInit(WindowInfo *pWindow, const char *dpyName, GLint visBits, GLint id)
+{
+ VisualInfo *visual;
+
+ crMemset(pWindow, 0, sizeof (*pWindow));
+
+ if (!dpyName || crStrlen(render_spu.display_string) > 0)
+ dpyName = render_spu.display_string;
+
+ visual = renderspuFindVisual( dpyName, visBits );
+ if (!visual)
+ {
+ crWarning( "Render SPU: Couldn't create a window, renderspuFindVisual returned NULL" );
+ return GL_FALSE;
+ }
+
+ /*
+ crDebug("Render SPU: Creating window (visBits=0x%x, id=%d)", visBits, window->BltInfo.Base.id);
+ */
+ /* Have GLX/WGL/AGL create the window */
+ if (!renderspuWinInitWithVisual( pWindow, visual, 0, id ))
+ {
+ crWarning( "Render SPU: Couldn't create a window, renderspu_SystemCreateWindow failed" );
+ return GL_FALSE;
+ }
+
+ return GL_TRUE;
+}
+
+GLint renderspuWindowCreateEx( const char *dpyName, GLint visBits, GLint id )
+{
+ WindowInfo *window;
+
+ if (id <= 0)
+ {
+ id = (GLint)crHashtableAllocKeys(render_spu.windowTable, 1);
+ if (id <= 0)
+ {
+ crWarning("failed to allocate window id");
+ return -1;
+ }
+ }
+ else
+ {
+ if (crHashtableIsKeyUsed(render_spu.windowTable, id))
+ {
+ crWarning("the specified window key %d is in use", id);
+ return -1;
+ }
+ }
+
+ /* Allocate WindowInfo */
+ window = renderspuWinCreate(visBits, id);
+
+ if (!window)
+ {
+ crWarning("renderspuWinCreate failed");
+ crFree(window);
+ return -1;
+ }
+
+ crHashtableAdd(render_spu.windowTable, id, window);
+ return window->BltInfo.Base.id;
+}
+
+GLint RENDER_APIENTRY
+renderspuWindowCreate( const char *dpyName, GLint visBits )
+{
+ return renderspuWindowCreateEx( dpyName, visBits, 0 );
+}
+
+void renderspuWinReleaseCb(void*pvWindow)
+{
+ renderspuWinRelease((WindowInfo*)pvWindow);
+}
+
+void
+RENDER_APIENTRY renderspuWindowDestroy( GLint win )
+{
+ WindowInfo *window;
+
+ CRASSERT(win >= 0);
+ if (win == CR_RENDER_DEFAULT_WINDOW_ID)
+ {
+ crWarning("request to destroy a default mural, ignoring");
+ return;
+ }
+ window = (WindowInfo *) crHashtableSearch(render_spu.windowTable, win);
+ if (window) {
+ crDebug("Render SPU: Destroy window (%d)", win);
+ /* since os-specific backend can hold its own reference to the window object (e.g. on OSX),
+ * we need to explicitly issue a window destroy command
+ * this ensures the backend will eventually release the reference,
+ * the window object itself will remain valid until its ref count reaches zero */
+ renderspuWinTerm( window );
+
+ /* remove window info from hash table, and free it */
+ crHashtableDelete(render_spu.windowTable, win, renderspuWinReleaseCb);
+
+ }
+ else {
+ crDebug("Render SPU: Attempt to destroy invalid window (%d)", win);
+ }
+}
+
+
+static void RENDER_APIENTRY
+renderspuWindowSize( GLint win, GLint w, GLint h )
+{
+ WindowInfo *window;
+ CRASSERT(win >= 0);
+ window = (WindowInfo *) crHashtableSearch(render_spu.windowTable, win);
+ if (window) {
+ if (w != window->BltInfo.width
+ || h != window->BltInfo.height)
+ {
+ /* window is resized, compositor data is no longer valid
+ * this set also ensures all redraw operations are done in the redraw thread
+ * and that no redraw is started until new Present request comes containing a valid presentation data */
+ renderspuVBoxCompositorSet( window, NULL);
+ renderspu_SystemWindowSize( window, w, h );
+ window->BltInfo.width = w;
+ window->BltInfo.height = h;
+ }
+ }
+ else {
+ WARN(("Render SPU: Attempt to resize invalid window (%d)", win));
+ }
+}
+
+
+static void RENDER_APIENTRY
+renderspuWindowPosition( GLint win, GLint x, GLint y )
+{
+ if (!render_spu.ignore_window_moves) {
+ WindowInfo *window;
+ CRASSERT(win >= 0);
+ window = (WindowInfo *) crHashtableSearch(render_spu.windowTable, win);
+ if (window) {
+ renderspu_SystemWindowPosition( window, x, y );
+ window->x = x;
+ window->y = y;
+ }
+ else {
+ crDebug("Render SPU: Attempt to move invalid window (%d)", win);
+ }
+ }
+}
+
+#ifdef DEBUG_misha
+# define CR_DBG_DUMP_VISIBLE_REGIONS
+#endif
+
+#ifdef CR_DBG_DUMP_VISIBLE_REGIONS
+static void renderspuDbgDumpVisibleRegion(GLint win, GLint cRects, const GLint *pRects)
+{
+ GLint i;
+ const RTRECT *pRtRects = (const RTRECT *)((const void*)pRects);
+
+ crInfo("Window %d, Vidible Regions%d", win, cRects);
+ for (i = 0; i < cRects; ++i)
+ {
+ crInfo("%d: (%d,%d), (%d,%d)", i, pRtRects[i].xLeft, pRtRects[i].yTop, pRtRects[i].xRight, pRtRects[i].yBottom);
+ }
+ crInfo("======");
+}
+#endif
+
+static void RENDER_APIENTRY
+renderspuWindowVisibleRegion(GLint win, GLint cRects, const GLint *pRects)
+{
+ WindowInfo *window;
+ CRASSERT(win >= 0);
+
+#ifdef CR_DBG_DUMP_VISIBLE_REGIONS
+ renderspuDbgDumpVisibleRegion(win, cRects, pRects);
+#endif
+
+ window = (WindowInfo *) crHashtableSearch(render_spu.windowTable, win);
+ if (window) {
+ renderspu_SystemWindowVisibleRegion( window, cRects, pRects );
+ }
+ else {
+ crWarning("Render SPU: Attempt to set VisibleRegion for invalid window (%d)", win);
+ }
+}
+
+static void RENDER_APIENTRY
+renderspuWindowShow( GLint win, GLint flag )
+{
+ WindowInfo *window;
+ CRASSERT(win >= 0);
+ window = (WindowInfo *) crHashtableSearch(render_spu.windowTable, win);
+ if (window) {
+ GLboolean visible;
+ if (window->nativeWindow) {
+ /* We're rendering back to the native app window instead of the
+ * new window which we (the Render SPU) created earlier.
+ * So, we never want to show the Render SPU's window.
+ */
+ flag = 0;
+ }
+
+ visible = !!flag;
+
+// if (window->visible != visible)
+ {
+ renderspu_SystemShowWindow( window, visible );
+ window->visible = visible;
+ }
+ }
+ else {
+ crDebug("Render SPU: Attempt to hide/show invalid window (%d)", win);
+ }
+}
+
+static void RENDER_APIENTRY
+renderspuVBoxPresentComposition( GLint win, const struct VBOXVR_SCR_COMPOSITOR * pCompositor, const struct VBOXVR_SCR_COMPOSITOR_ENTRY *pChangedEntry )
+{
+ WindowInfo *window;
+ CRASSERT(win >= 0);
+ window = (WindowInfo *) crHashtableSearch(render_spu.windowTable, win);
+ if (window) {
+ if (renderspuVBoxCompositorSet(window, pCompositor))
+ {
+ renderspu_SystemVBoxPresentComposition(window, pChangedEntry);
+ }
+ }
+ else {
+ crDebug("Render SPU: Attempt to PresentComposition for invalid window (%d)", win);
+ }
+}
+
+void renderspuVBoxCompositorBlitStretched ( const struct VBOXVR_SCR_COMPOSITOR * pCompositor, PCR_BLITTER pBlitter, GLfloat scaleX, GLfloat scaleY)
+{
+ VBOXVR_SCR_COMPOSITOR_CONST_ITERATOR CIter;
+ const VBOXVR_SCR_COMPOSITOR_ENTRY *pEntry;
+ CrVrScrCompositorConstIterInit(pCompositor, &CIter);
+ while ((pEntry = CrVrScrCompositorConstIterNext(&CIter)) != NULL)
+ {
+ uint32_t cRegions;
+ const RTRECT *paSrcRegions, *paDstRegions;
+ int rc = CrVrScrCompositorEntryRegionsGet(pCompositor, pEntry, &cRegions, &paSrcRegions, &paDstRegions, NULL);
+ uint32_t fFlags = CrVrScrCompositorEntryFlagsCombinedGet(pCompositor, pEntry);
+ if (RT_SUCCESS(rc))
+ {
+ uint32_t i;
+ for (i = 0; i < cRegions; ++i)
+ {
+ RTRECT DstRect;
+ const CR_TEXDATA *pTexData = CrVrScrCompositorEntryTexGet(pEntry);
+ DstRect.xLeft = paDstRegions[i].xLeft * scaleX;
+ DstRect.yTop = paDstRegions[i].yTop * scaleY;
+ DstRect.xRight = paDstRegions[i].xRight * scaleX;
+ DstRect.yBottom = paDstRegions[i].yBottom * scaleY;
+ CrBltBlitTexMural(pBlitter, true, CrTdTexGet(pTexData), &paSrcRegions[i], &DstRect, 1, fFlags);
+ }
+ }
+ else
+ {
+ crWarning("BlitStretched: CrVrScrCompositorEntryRegionsGet failed rc %d", rc);
+ }
+ }
+}
+
+void renderspuVBoxCompositorBlit ( const struct VBOXVR_SCR_COMPOSITOR * pCompositor, PCR_BLITTER pBlitter)
+{
+ VBOXVR_SCR_COMPOSITOR_CONST_ITERATOR CIter;
+ const VBOXVR_SCR_COMPOSITOR_ENTRY *pEntry;
+ CrVrScrCompositorConstIterInit(pCompositor, &CIter);
+ while ((pEntry = CrVrScrCompositorConstIterNext(&CIter)) != NULL)
+ {
+ uint32_t cRegions;
+ const RTRECT *paSrcRegions, *paDstRegions;
+ int rc = CrVrScrCompositorEntryRegionsGet(pCompositor, pEntry, &cRegions, &paSrcRegions, &paDstRegions, NULL);
+ uint32_t fFlags = CrVrScrCompositorEntryFlagsCombinedGet(pCompositor, pEntry);
+ if (RT_SUCCESS(rc))
+ {
+ const CR_TEXDATA *pTexData = CrVrScrCompositorEntryTexGet(pEntry);
+ CrBltBlitTexMural(pBlitter, true, CrTdTexGet(pTexData), paSrcRegions, paDstRegions, cRegions, fFlags);
+ }
+ else
+ {
+ crWarning("Blit: CrVrScrCompositorEntryRegionsGet failed rc %d", rc);
+ }
+ }
+}
+
+void renderspuVBoxPresentBlitterCleanup( WindowInfo *window )
+{
+ if (!window->pBlitter)
+ return;
+
+ if (render_spu.blitterTable)
+ {
+ const CR_BLITTER_WINDOW * pBltInfo = CrBltMuralGetCurrentInfo(window->pBlitter);
+ if (pBltInfo && pBltInfo->Base.id == window->BltInfo.Base.id)
+ {
+ CrBltMuralSetCurrentInfo(window->pBlitter, NULL);
+ }
+ }
+ else
+ {
+ CRASSERT(CrBltMuralGetCurrentInfo(window->pBlitter)->Base.id == window->BltInfo.Base.id);
+ CrBltMuralSetCurrentInfo(window->pBlitter, NULL);
+ CrBltTerm(window->pBlitter);
+ }
+ window->pBlitter = NULL;
+}
+
+PCR_BLITTER renderspuVBoxPresentBlitterGet( WindowInfo *window )
+{
+ PCR_BLITTER pBlitter = window->pBlitter;
+ if (!pBlitter)
+ {
+ if (render_spu.blitterTable)
+ {
+ crHashtableLock(render_spu.blitterTable);
+ pBlitter = (PCR_BLITTER)crHashtableSearch(render_spu.blitterTable, window->visual->visAttribs);
+ }
+
+ if (!pBlitter)
+ {
+ int rc;
+ ContextInfo * pDefaultCtxInfo;
+
+ pBlitter = (PCR_BLITTER)crCalloc(sizeof (*pBlitter));
+ if (!pBlitter)
+ {
+ crWarning("failed to allocate blitter");
+ return NULL;
+ }
+
+ pDefaultCtxInfo = renderspuDefaultSharedContextAcquire();
+ if (!pDefaultCtxInfo)
+ {
+ crWarning("no default ctx info!");
+ crFree(pBlitter);
+ return NULL;
+ }
+
+ rc = CrBltInit(pBlitter, &pDefaultCtxInfo->BltInfo, true, true, NULL, &render_spu.blitterDispatch);
+
+ /* we can release it either way, since it will be retained when used as a shared context */
+ renderspuDefaultSharedContextRelease(pDefaultCtxInfo);
+
+ if (!RT_SUCCESS(rc))
+ {
+ crWarning("CrBltInit failed, rc %d", rc);
+ crFree(pBlitter);
+ return NULL;
+ }
+
+ if (render_spu.blitterTable)
+ {
+ crHashtableAdd( render_spu.blitterTable, window->visual->visAttribs, pBlitter );
+ }
+ }
+
+ if (render_spu.blitterTable)
+ crHashtableUnlock(render_spu.blitterTable);
+
+ Assert(pBlitter);
+ window->pBlitter = pBlitter;
+ }
+
+ CrBltMuralSetCurrentInfo(pBlitter, &window->BltInfo);
+ return pBlitter;
+}
+
+int renderspuVBoxPresentBlitterEnter( PCR_BLITTER pBlitter, int32_t i32MakeCurrentUserData)
+{
+ int rc;
+
+ CrBltSetMakeCurrentUserData(pBlitter, i32MakeCurrentUserData);
+
+ rc = CrBltEnter(pBlitter);
+ if (!RT_SUCCESS(rc))
+ {
+ crWarning("CrBltEnter failed, rc %d", rc);
+ return rc;
+ }
+ return VINF_SUCCESS;
+}
+
+PCR_BLITTER renderspuVBoxPresentBlitterGetAndEnter( WindowInfo *window, int32_t i32MakeCurrentUserData, bool fRedraw )
+{
+ PCR_BLITTER pBlitter = fRedraw ? window->pBlitter : renderspuVBoxPresentBlitterGet(window);
+ if (pBlitter)
+ {
+ int rc = renderspuVBoxPresentBlitterEnter(pBlitter, i32MakeCurrentUserData);
+ if (RT_SUCCESS(rc))
+ {
+ return pBlitter;
+ }
+ }
+ return NULL;
+}
+
+PCR_BLITTER renderspuVBoxPresentBlitterEnsureCreated( WindowInfo *window, int32_t i32MakeCurrentUserData )
+{
+ if (!window->pBlitter)
+ {
+ const struct VBOXVR_SCR_COMPOSITOR * pTmpCompositor;
+ /* just use compositor lock to synchronize */
+ pTmpCompositor = renderspuVBoxCompositorAcquire(window);
+ CRASSERT(pTmpCompositor);
+ if (pTmpCompositor)
+ {
+ PCR_BLITTER pBlitter = renderspuVBoxPresentBlitterGet( window );
+ if (pBlitter)
+ {
+ if (!CrBltIsEverEntered(pBlitter))
+ {
+ int rc = renderspuVBoxPresentBlitterEnter(pBlitter, i32MakeCurrentUserData);
+ if (RT_SUCCESS(rc))
+ {
+ CrBltLeave(pBlitter);
+ }
+ else
+ {
+ crWarning("renderspuVBoxPresentBlitterEnter failed rc %d", rc);
+ }
+ }
+ }
+ else
+ {
+ crWarning("renderspuVBoxPresentBlitterGet failed");
+ }
+
+ renderspuVBoxCompositorRelease(window);
+ }
+ else
+ {
+ crWarning("renderspuVBoxCompositorAcquire failed");
+ }
+ }
+ return window->pBlitter;
+}
+
+void renderspuVBoxPresentCompositionGeneric( WindowInfo *window, const struct VBOXVR_SCR_COMPOSITOR * pCompositor,
+ const struct VBOXVR_SCR_COMPOSITOR_ENTRY *pChangedEntry, int32_t i32MakeCurrentUserData,
+ bool fRedraw )
+{
+ PCR_BLITTER pBlitter = renderspuVBoxPresentBlitterGetAndEnter(window, i32MakeCurrentUserData, fRedraw);
+ if (!pBlitter)
+ return;
+
+ renderspuVBoxCompositorBlit(pCompositor, pBlitter);
+
+ renderspu_SystemSwapBuffers(window, 0);
+
+ CrBltLeave(pBlitter);
+}
+
+GLboolean renderspuVBoxCompositorSet( WindowInfo *window, const struct VBOXVR_SCR_COMPOSITOR * pCompositor)
+{
+ int rc;
+ GLboolean fEmpty = pCompositor && CrVrScrCompositorIsEmpty(pCompositor);
+ GLboolean fNeedPresent;
+
+ /* renderspuVBoxCompositorSet can be invoked from the chromium thread only and is not reentrant,
+ * no need to synch here
+ * the lock is actually needed to ensure we're in synch with the redraw thread */
+ if (window->pCompositor == pCompositor && !fEmpty)
+ return !!pCompositor;
+
+ rc = RTCritSectEnter(&window->CompositorLock);
+ if (RT_SUCCESS(rc))
+ {
+ if (!fEmpty)
+ fNeedPresent = !!pCompositor;
+ else
+ {
+ fNeedPresent = renderspu_SystemWindowNeedEmptyPresent(window);
+ pCompositor = NULL;
+ }
+
+ window->pCompositor = !fEmpty ? pCompositor : NULL;
+ RTCritSectLeave(&window->CompositorLock);
+ return fNeedPresent;
+ }
+ else
+ {
+ WARN(("RTCritSectEnter failed rc %d", rc));
+ }
+
+ return GL_FALSE;
+}
+
+static void renderspuVBoxCompositorClearAllCB(unsigned long key, void *data1, void *data2)
+{
+ WindowInfo *window = (WindowInfo *) data1;
+ renderspuVBoxCompositorSet(window, NULL);
+}
+
+void renderspuVBoxCompositorClearAll()
+{
+ /* we need to clear window compositor, which is not that trivial though,
+ * since the lock order used in presentation thread is compositor lock() -> hash table lock (aquired for id->window resolution)
+ * this is why, to prevent potential deadlocks, we use crHashtableWalkUnlocked that does not hold the table lock
+ * we are can be sure noone will modify the table here since renderspuVBoxCompositorClearAll can be called in the command (hgcm) thread only,
+ * and the table can be modified from that thread only as well */
+ crHashtableWalkUnlocked(render_spu.windowTable, renderspuVBoxCompositorClearAllCB, NULL);
+}
+
+const struct VBOXVR_SCR_COMPOSITOR * renderspuVBoxCompositorAcquire( WindowInfo *window)
+{
+ int rc = RTCritSectEnter(&window->CompositorLock);
+ if (RT_SUCCESS(rc))
+ {
+ const VBOXVR_SCR_COMPOSITOR * pCompositor = window->pCompositor;
+ if (pCompositor)
+ {
+ Assert(!CrVrScrCompositorIsEmpty(window->pCompositor));
+ return pCompositor;
+ }
+
+ /* if no compositor is set, release the lock and return */
+ RTCritSectLeave(&window->CompositorLock);
+ }
+ else
+ {
+ crWarning("RTCritSectEnter failed rc %d", rc);
+ }
+ return NULL;
+}
+
+int renderspuVBoxCompositorLock(WindowInfo *window, const struct VBOXVR_SCR_COMPOSITOR **ppCompositor)
+{
+ int rc = RTCritSectEnter(&window->CompositorLock);
+ if (RT_SUCCESS(rc))
+ {
+ if (ppCompositor)
+ *ppCompositor = window->pCompositor;
+ }
+ else
+ WARN(("RTCritSectEnter failed %d", rc));
+ return rc;
+}
+
+int renderspuVBoxCompositorUnlock(WindowInfo *window)
+{
+ int rc = RTCritSectLeave(&window->CompositorLock);
+ AssertRC(rc);
+ return rc;
+}
+
+int renderspuVBoxCompositorTryAcquire(WindowInfo *window, const struct VBOXVR_SCR_COMPOSITOR **ppCompositor)
+{
+ int rc = RTCritSectTryEnter(&window->CompositorLock);
+ if (RT_SUCCESS(rc))
+ {
+ *ppCompositor = window->pCompositor;
+ if (*ppCompositor)
+ {
+ Assert(!CrVrScrCompositorIsEmpty(window->pCompositor));
+ return VINF_SUCCESS;
+ }
+
+ /* if no compositor is set, release the lock and return */
+ RTCritSectLeave(&window->CompositorLock);
+ rc = VERR_INVALID_STATE;
+ }
+ else
+ {
+ *ppCompositor = NULL;
+ }
+ return rc;
+}
+
+void renderspuVBoxCompositorRelease( WindowInfo *window)
+{
+ int rc;
+ Assert(window->pCompositor);
+ Assert(!CrVrScrCompositorIsEmpty(window->pCompositor));
+ rc = RTCritSectLeave(&window->CompositorLock);
+ if (!RT_SUCCESS(rc))
+ {
+ crWarning("RTCritSectLeave failed rc %d", rc);
+ }
+}
+
+
+/*
+ * Set the current raster position to the given window coordinate.
+ */
+static void
+SetRasterPos( GLint winX, GLint winY )
+{
+ GLfloat fx, fy;
+
+ /* Push current matrix mode and viewport attributes */
+ render_spu.self.PushAttrib( GL_TRANSFORM_BIT | GL_VIEWPORT_BIT );
+
+ /* Setup projection parameters */
+ render_spu.self.MatrixMode( GL_PROJECTION );
+ render_spu.self.PushMatrix();
+ render_spu.self.LoadIdentity();
+ render_spu.self.MatrixMode( GL_MODELVIEW );
+ render_spu.self.PushMatrix();
+ render_spu.self.LoadIdentity();
+
+ render_spu.self.Viewport( winX - 1, winY - 1, 2, 2 );
+
+ /* set the raster (window) position */
+ /* huh ? */
+ fx = (GLfloat) (winX - (int) winX);
+ fy = (GLfloat) (winY - (int) winY);
+ render_spu.self.RasterPos4f( fx, fy, 0.0, 1.0 );
+
+ /* restore matrices, viewport and matrix mode */
+ render_spu.self.PopMatrix();
+ render_spu.self.MatrixMode( GL_PROJECTION );
+ render_spu.self.PopMatrix();
+
+ render_spu.self.PopAttrib();
+}
+
+
+/*
+ * Draw the mouse pointer bitmap at (x,y) in window coords.
+ */
+static void DrawCursor( GLint x, GLint y )
+{
+#define POINTER_WIDTH 32
+#define POINTER_HEIGHT 32
+ /* Somebody artistic could probably do better here */
+ static const char *pointerImage[POINTER_HEIGHT] =
+ {
+ "XX..............................",
+ "XXXX............................",
+ ".XXXXX..........................",
+ ".XXXXXXX........................",
+ "..XXXXXXXX......................",
+ "..XXXXXXXXXX....................",
+ "...XXXXXXXXXXX..................",
+ "...XXXXXXXXXXXXX................",
+ "....XXXXXXXXXXXXXX..............",
+ "....XXXXXXXXXXXXXXXX............",
+ ".....XXXXXXXXXXXXXXXXX..........",
+ ".....XXXXXXXXXXXXXXXXXXX........",
+ "......XXXXXXXXXXXXXXXXXXXX......",
+ "......XXXXXXXXXXXXXXXXXXXXXX....",
+ ".......XXXXXXXXXXXXXXXXXXXXXXX..",
+ ".......XXXXXXXXXXXXXXXXXXXXXXXX.",
+ "........XXXXXXXXXXXXX...........",
+ "........XXXXXXXX.XXXXX..........",
+ ".........XXXXXX...XXXXX.........",
+ ".........XXXXX.....XXXXX........",
+ "..........XXX.......XXXXX.......",
+ "..........XX.........XXXXX......",
+ "......................XXXXX.....",
+ ".......................XXXXX....",
+ "........................XXX.....",
+ ".........................X......",
+ "................................",
+ "................................",
+ "................................",
+ "................................",
+ "................................",
+ "................................"
+
+ };
+ static GLubyte pointerBitmap[POINTER_HEIGHT][POINTER_WIDTH / 8];
+ static GLboolean firstCall = GL_TRUE;
+ GLboolean lighting, depthTest, scissorTest;
+
+ if (firstCall) {
+ /* Convert pointerImage into pointerBitmap */
+ GLint i, j;
+ for (i = 0; i < POINTER_HEIGHT; i++) {
+ for (j = 0; j < POINTER_WIDTH; j++) {
+ if (pointerImage[POINTER_HEIGHT - i - 1][j] == 'X') {
+ GLubyte bit = 128 >> (j & 0x7);
+ pointerBitmap[i][j / 8] |= bit;
+ }
+ }
+ }
+ firstCall = GL_FALSE;
+ }
+
+ render_spu.self.GetBooleanv(GL_LIGHTING, &lighting);
+ render_spu.self.GetBooleanv(GL_DEPTH_TEST, &depthTest);
+ render_spu.self.GetBooleanv(GL_SCISSOR_TEST, &scissorTest);
+ render_spu.self.Disable(GL_LIGHTING);
+ render_spu.self.Disable(GL_DEPTH_TEST);
+ render_spu.self.Disable(GL_SCISSOR_TEST);
+ render_spu.self.PixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+ render_spu.self.Color3f(1, 1, 1);
+
+ /* save current raster pos */
+ render_spu.self.PushAttrib(GL_CURRENT_BIT);
+ SetRasterPos(x, y);
+ render_spu.self.Bitmap(POINTER_WIDTH, POINTER_HEIGHT, 1.0, 31.0, 0, 0,
+ (const GLubyte *) pointerBitmap);
+ /* restore current raster pos */
+ render_spu.self.PopAttrib();
+
+ if (lighting)
+ render_spu.self.Enable(GL_LIGHTING);
+ if (depthTest)
+ render_spu.self.Enable(GL_DEPTH_TEST);
+ if (scissorTest)
+ render_spu.self.Enable(GL_SCISSOR_TEST);
+}
+
+void RENDER_APIENTRY renderspuSwapBuffers( GLint window, GLint flags )
+{
+ WindowInfo *w = (WindowInfo *) crHashtableSearch(render_spu.windowTable, window);
+
+ if (!w)
+ {
+ crDebug("Render SPU: SwapBuffers invalid window id: %d", window);
+ return;
+ }
+
+ if (flags & CR_SUPPRESS_SWAP_BIT)
+ {
+ render_spu.self.Finish();
+ return;
+ }
+
+ if (render_spu.drawCursor)
+ DrawCursor( render_spu.cursorX, render_spu.cursorY );
+
+ if (render_spu.swap_master_url)
+ DoSync();
+
+ renderspu_SystemSwapBuffers( w, flags );
+}
+
+
+/*
+ * Barrier functions
+ * Normally, we'll have a crserver somewhere that handles the barrier calls.
+ * However, if we're running the render SPU on the client node, then we
+ * should handle barriers here. The threadtest demo illustrates this.
+ * If we have N threads calling using this SPU we need these barrier
+ * functions to synchronize them.
+ */
+
+static void RENDER_APIENTRY renderspuBarrierCreateCR( GLuint name, GLuint count )
+{
+ Barrier *b;
+
+ if (render_spu.ignore_papi)
+ return;
+
+ b = (Barrier *) crHashtableSearch( render_spu.barrierHash, name );
+ if (b) {
+ /* HACK -- this allows everybody to create a barrier, and all
+ but the first creation are ignored, assuming the count
+ match. */
+ if ( b->count != count ) {
+ crError( "Render SPU: Barrier name=%u created with count=%u, but already "
+ "exists with count=%u", name, count, b->count );
+ }
+ }
+ else {
+ b = (Barrier *) crAlloc( sizeof(Barrier) );
+ b->count = count;
+ crInitBarrier( &b->barrier, count );
+ crHashtableAdd( render_spu.barrierHash, name, b );
+ }
+}
+
+static void RENDER_APIENTRY renderspuBarrierDestroyCR( GLuint name )
+{
+ if (render_spu.ignore_papi)
+ return;
+ crHashtableDelete( render_spu.barrierHash, name, crFree );
+}
+
+static void RENDER_APIENTRY renderspuBarrierExecCR( GLuint name )
+{
+ Barrier *b;
+
+ if (render_spu.ignore_papi)
+ return;
+
+ b = (Barrier *) crHashtableSearch( render_spu.barrierHash, name );
+ if (b) {
+ crWaitBarrier( &(b->barrier) );
+ }
+ else {
+ crWarning("Render SPU: Bad barrier name %d in BarrierExec()", name);
+ }
+}
+
+
+/*
+ * Semaphore functions
+ * XXX we should probably implement these too, for the same reason as
+ * barriers (see above).
+ */
+
+static void RENDER_APIENTRY renderspuSemaphoreCreateCR( GLuint name, GLuint count )
+{
+ (void) name;
+ (void) count;
+}
+
+static void RENDER_APIENTRY renderspuSemaphoreDestroyCR( GLuint name )
+{
+ (void) name;
+}
+
+static void RENDER_APIENTRY renderspuSemaphorePCR( GLuint name )
+{
+ (void) name;
+}
+
+static void RENDER_APIENTRY renderspuSemaphoreVCR( GLuint name )
+{
+ (void) name;
+}
+
+
+/*
+ * Misc functions
+ */
+void renderspuSetDefaultSharedContext(ContextInfo *pCtx)
+{
+ if (pCtx == render_spu.defaultSharedContext)
+ return;
+
+ renderspu_SystemDefaultSharedContextChanged(render_spu.defaultSharedContext, pCtx);
+
+ if (render_spu.defaultSharedContext)
+ renderspuContextRelease(render_spu.defaultSharedContext);
+
+ if (pCtx)
+ renderspuContextRetain(pCtx);
+ render_spu.defaultSharedContext = pCtx;
+}
+
+static void RENDER_APIENTRY renderspuChromiumParameteriCR(GLenum target, GLint value)
+{
+ switch (target)
+ {
+ case GL_HH_SET_DEFAULT_SHARED_CTX:
+ {
+ ContextInfo * pCtx = NULL;
+ if (value)
+ pCtx = (ContextInfo *)crHashtableSearch(render_spu.contextTable, value);
+ else
+ crWarning("invalid default shared context id %d", value);
+
+ renderspuSetDefaultSharedContext(pCtx);
+ break;
+ }
+ case GL_HH_RENDERTHREAD_INFORM:
+ {
+ if (value)
+ {
+ int rc = renderspuDefaultCtxInit();
+ if (RT_FAILURE(rc))
+ {
+ WARN(("renderspuDefaultCtxInit failed"));
+ break;
+ }
+ }
+ else
+ {
+ renderspuCleanupBase(false);
+ }
+ break;
+ }
+ default:
+// crWarning("Unhandled target in renderspuChromiumParameteriCR()");
+ break;
+ }
+}
+
+static void RENDER_APIENTRY
+renderspuChromiumParameterfCR(GLenum target, GLfloat value)
+{
+ (void) target;
+ (void) value;
+
+#if 0
+ switch (target) {
+ default:
+ crWarning("Unhandled target in renderspuChromiumParameterfCR()");
+ break;
+ }
+#endif
+}
+
+bool renderspuCalloutAvailable()
+{
+ return render_spu.pfnClientCallout != NULL;
+}
+
+bool renderspuCalloutClient(PFNVCRSERVER_CLIENT_CALLOUT_CB pfnCb, void *pvCb)
+{
+ if (render_spu.pfnClientCallout)
+ {
+ render_spu.pfnClientCallout(pfnCb, pvCb);
+ return true;
+ }
+ return false;
+}
+
+static void RENDER_APIENTRY
+renderspuChromiumParametervCR(GLenum target, GLenum type, GLsizei count,
+ const GLvoid *values)
+{
+ int client_num;
+ unsigned short port;
+ CRMessage *msg, pingback;
+ unsigned char *privbuf = NULL;
+
+ switch (target) {
+ case GL_HH_SET_CLIENT_CALLOUT:
+ render_spu.pfnClientCallout = (PFNVCRSERVER_CLIENT_CALLOUT)values;
+ break;
+ case GL_GATHER_CONNECT_CR:
+ if (render_spu.gather_userbuf_size)
+ privbuf = (unsigned char *)crAlloc(1024*768*4);
+
+ port = ((GLint *) values)[0];
+
+ if (render_spu.gather_conns == NULL)
+ render_spu.gather_conns = crAlloc(render_spu.server->numClients*sizeof(CRConnection *));
+ else
+ {
+ crError("Oh bother! duplicate GL_GATHER_CONNECT_CR getting through");
+ }
+
+ for (client_num=0; client_num< render_spu.server->numClients; client_num++)
+ {
+ switch (render_spu.server->clients[client_num]->conn->type)
+ {
+ case CR_TCPIP:
+ crDebug("Render SPU: AcceptClient from %s on %d",
+ render_spu.server->clients[client_num]->conn->hostname, render_spu.gather_port);
+ render_spu.gather_conns[client_num] =
+ crNetAcceptClient("tcpip", NULL, port, 1024*1024, 1);
+ break;
+
+ case CR_GM:
+ render_spu.gather_conns[client_num] =
+ crNetAcceptClient("gm", NULL, port, 1024*1024, 1);
+ break;
+
+ default:
+ crError("Render SPU: Unknown Network Type to Open Gather Connection");
+ }
+
+
+ if (render_spu.gather_userbuf_size)
+ {
+ render_spu.gather_conns[client_num]->userbuf = privbuf;
+ render_spu.gather_conns[client_num]->userbuf_len = render_spu.gather_userbuf_size;
+ }
+ else
+ {
+ render_spu.gather_conns[client_num]->userbuf = NULL;
+ render_spu.gather_conns[client_num]->userbuf_len = 0;
+ }
+
+ if (render_spu.gather_conns[client_num])
+ {
+ crDebug("Render SPU: success! from %s", render_spu.gather_conns[client_num]->hostname);
+ }
+ }
+
+ break;
+
+ case GL_GATHER_DRAWPIXELS_CR:
+ pingback.header.type = CR_MESSAGE_OOB;
+
+ for (client_num=0; client_num< render_spu.server->numClients; client_num++)
+ {
+ crNetGetMessage(render_spu.gather_conns[client_num], &msg);
+ if (msg->header.type == CR_MESSAGE_GATHER)
+ {
+ crNetFree(render_spu.gather_conns[client_num], msg);
+ }
+ else
+ {
+ crError("Render SPU: expecting MESSAGE_GATHER. got crap! (%d of %d)",
+ client_num, render_spu.server->numClients-1);
+ }
+ }
+
+ /*
+ * We're only hitting the case if we're not actually calling
+ * child.SwapBuffers from readback, so a switch about which
+ * call to DoSync() we really want [this one, or the one
+ * in SwapBuffers above] is not necessary -- karl
+ */
+
+ if (render_spu.swap_master_url)
+ DoSync();
+
+ for (client_num=0; client_num< render_spu.server->numClients; client_num++)
+ crNetSend(render_spu.gather_conns[client_num], NULL, &pingback,
+ sizeof(CRMessageHeader));
+
+ render_spu.self.RasterPos2i(((GLint *)values)[0], ((GLint *)values)[1]);
+ render_spu.self.DrawPixels( ((GLint *)values)[2], ((GLint *)values)[3],
+ ((GLint *)values)[4], ((GLint *)values)[5],
+ render_spu.gather_conns[0]->userbuf);
+
+
+ render_spu.self.SwapBuffers(((GLint *)values)[6], 0);
+ break;
+
+ case GL_CURSOR_POSITION_CR:
+ if (type == GL_INT && count == 2) {
+ render_spu.cursorX = ((GLint *) values)[0];
+ render_spu.cursorY = ((GLint *) values)[1];
+ crDebug("Render SPU: GL_CURSOR_POSITION_CR (%d, %d)", render_spu.cursorX, render_spu.cursorY);
+ }
+ else {
+ crWarning("Render SPU: Bad type or count for ChromiumParametervCR(GL_CURSOR_POSITION_CR)");
+ }
+ break;
+
+ case GL_WINDOW_SIZE_CR:
+ /* XXX this is old code that should be removed.
+ * NOTE: we can only resize the default (id=CR_RENDER_DEFAULT_WINDOW_ID) window!!!
+ */
+ {
+ GLint w, h;
+ WindowInfo *window;
+ CRASSERT(type == GL_INT);
+ CRASSERT(count == 2);
+ CRASSERT(values);
+ w = ((GLint*)values)[0];
+ h = ((GLint*)values)[1];
+ window = (WindowInfo *) crHashtableSearch(render_spu.windowTable, CR_RENDER_DEFAULT_WINDOW_ID);
+ if (window)
+ {
+ renderspu_SystemWindowSize(window, w, h);
+ }
+ }
+ break;
+
+ case GL_HH_SET_TMPCTX_MAKE_CURRENT:
+ if (type == GL_BYTE && count == sizeof (void*))
+ memcpy(&render_spu.blitterDispatch.MakeCurrent, values, count);
+ else
+ WARN(("unexpected type(%#x) - count(%d) pair", type, count));
+ break;
+
+ default:
+#if 0
+ WARN(("Unhandled target in renderspuChromiumParametervCR(0x%x)", (int) target));
+#endif
+ break;
+ }
+}
+
+
+static void RENDER_APIENTRY
+renderspuGetChromiumParametervCR(GLenum target, GLuint index, GLenum type,
+ GLsizei count, GLvoid *values)
+{
+ switch (target) {
+ case GL_WINDOW_SIZE_CR:
+ {
+ GLint x, y, w, h, *size = (GLint *) values;
+ WindowInfo *window;
+ CRASSERT(type == GL_INT);
+ CRASSERT(count == 2);
+ CRASSERT(values);
+ size[0] = size[1] = 0; /* default */
+ window = (WindowInfo *) crHashtableSearch(render_spu.windowTable, index);
+ if (window)
+ {
+ renderspu_SystemGetWindowGeometry(window, &x, &y, &w, &h);
+ size[0] = w;
+ size[1] = h;
+ }
+ }
+ break;
+ case GL_WINDOW_POSITION_CR:
+ /* return window position, as a screen coordinate */
+ {
+ GLint *pos = (GLint *) values;
+ GLint x, y, w, h;
+ WindowInfo *window;
+ CRASSERT(type == GL_INT);
+ CRASSERT(count == 2);
+ CRASSERT(values);
+ pos[0] = pos[1] = 0; /* default */
+ window = (WindowInfo *) crHashtableSearch(render_spu.windowTable, index);
+ if (window)
+ {
+ renderspu_SystemGetWindowGeometry(window, &x, &y, &w, &h);
+ pos[0] = x;/*window->x;*/
+ pos[1] = y;/*window->y;*/
+ }
+ }
+ break;
+ case GL_MAX_WINDOW_SIZE_CR:
+ {
+ GLint *maxSize = (GLint *) values;
+ WindowInfo *window;
+ CRASSERT(type == GL_INT);
+ CRASSERT(count == 2);
+ CRASSERT(values);
+ window = (WindowInfo *) crHashtableSearch(render_spu.windowTable, index);
+ if (window)
+ {
+ renderspu_SystemGetMaxWindowSize(window, maxSize + 0, maxSize + 1);
+ }
+ }
+ break;
+ case GL_WINDOW_VISIBILITY_CR:
+ {
+ GLint *vis = (GLint *) values;
+ WindowInfo *window;
+ CRASSERT(type == GL_INT);
+ CRASSERT(count == 1);
+ CRASSERT(values);
+ vis[0] = 0; /* default */
+ window = (WindowInfo *) crHashtableSearch(render_spu.windowTable, index);
+ if (window)
+ {
+ vis[0] = window->visible;
+ }
+ }
+ break;
+ default:
+ ; /* nothing - silence compiler */
+ }
+}
+
+
+static void RENDER_APIENTRY
+renderspuBoundsInfoCR( CRrecti *bounds, GLbyte *payload, GLint len,
+ GLint num_opcodes )
+{
+ (void) bounds;
+ (void) payload;
+ (void) len;
+ (void) num_opcodes;
+ /* draw the bounding box */
+ if (render_spu.draw_bbox) {
+ GET_CONTEXT(context);
+ WindowInfo *window = context->currentWindow;
+ GLint x, y, w, h;
+
+ renderspu_SystemGetWindowGeometry(window, &x, &y, &w, &h);
+
+ render_spu.self.PushMatrix();
+ render_spu.self.LoadIdentity();
+ render_spu.self.MatrixMode(GL_PROJECTION);
+ render_spu.self.PushMatrix();
+ render_spu.self.LoadIdentity();
+ render_spu.self.Ortho(0, w, 0, h, -1, 1);
+ render_spu.self.Color3f(1, 1, 1);
+ render_spu.self.Begin(GL_LINE_LOOP);
+ render_spu.self.Vertex2i(bounds->x1, bounds->y1);
+ render_spu.self.Vertex2i(bounds->x2, bounds->y1);
+ render_spu.self.Vertex2i(bounds->x2, bounds->y2);
+ render_spu.self.Vertex2i(bounds->x1, bounds->y2);
+ render_spu.self.End();
+ render_spu.self.PopMatrix();
+ render_spu.self.MatrixMode(GL_MODELVIEW);
+ render_spu.self.PopMatrix();
+ }
+}
+
+
+static void RENDER_APIENTRY
+renderspuWriteback( GLint *writeback )
+{
+ (void) writeback;
+}
+
+
+static void
+remove_trailing_space(char *s)
+{
+ int k = crStrlen(s);
+ while (k > 0 && s[k-1] == ' ')
+ k--;
+ s[k] = 0;
+}
+
+static const GLubyte * RENDER_APIENTRY
+renderspuGetString(GLenum pname)
+{
+ static char tempStr[1000];
+ GET_CONTEXT(context);
+
+ if (pname == GL_EXTENSIONS)
+ {
+ const char *nativeExt;
+ char *crExt, *s1, *s2;
+
+ if (!render_spu.ws.glGetString)
+ return NULL;
+
+ nativeExt = (const char *) render_spu.ws.glGetString(GL_EXTENSIONS);
+ if (!nativeExt) {
+ /* maybe called w/out current context. */
+ return NULL;
+ }
+
+ if (!context)
+ return (const GLubyte *)nativeExt;
+
+ crExt = crStrjoin3(crExtensions, " ", crAppOnlyExtensions);
+ s1 = crStrIntersect(nativeExt, crExt);
+ remove_trailing_space(s1);
+ s2 = crStrjoin3(s1, " ", crChromiumExtensions);
+ remove_trailing_space(s2);
+ crFree(crExt);
+ crFree(s1);
+ if (context->extensionString)
+ crFree(context->extensionString);
+ context->extensionString = s2;
+ return (const GLubyte *) s2;
+ }
+ else if (pname == GL_VENDOR)
+ return (const GLubyte *) CR_VENDOR;
+ else if (pname == GL_VERSION)
+ return render_spu.ws.glGetString(GL_VERSION);
+ else if (pname == GL_RENDERER) {
+#ifdef VBOX
+ snprintf(tempStr, sizeof(tempStr), "Chromium (%s)", (char *) render_spu.ws.glGetString(GL_RENDERER));
+#else
+ sprintf(tempStr, "Chromium (%s)", (char *) render_spu.ws.glGetString(GL_RENDERER));
+#endif
+ return (const GLubyte *) tempStr;
+ }
+#ifdef CR_OPENGL_VERSION_2_0
+ else if (pname == GL_SHADING_LANGUAGE_VERSION)
+ return render_spu.ws.glGetString(GL_SHADING_LANGUAGE_VERSION);
+#endif
+#ifdef GL_CR_real_vendor_strings
+ else if (pname == GL_REAL_VENDOR)
+ return render_spu.ws.glGetString(GL_VENDOR);
+ else if (pname == GL_REAL_VERSION)
+ return render_spu.ws.glGetString(GL_VERSION);
+ else if (pname == GL_REAL_RENDERER)
+ return render_spu.ws.glGetString(GL_RENDERER);
+ else if (pname == GL_REAL_EXTENSIONS)
+ return render_spu.ws.glGetString(GL_EXTENSIONS);
+#endif
+ else
+ return NULL;
+}
+
+static void renderspuReparentWindowCB(unsigned long key, void *data1, void *data2)
+{
+ WindowInfo *pWindow = (WindowInfo *)data1;
+
+ renderspu_SystemReparentWindow(pWindow);
+}
+
+DECLEXPORT(void) renderspuReparentWindow(GLint window)
+{
+ WindowInfo *pWindow;
+ CRASSERT(window >= 0);
+
+ pWindow = (WindowInfo *) crHashtableSearch(render_spu.windowTable, window);
+
+ if (!pWindow)
+ {
+ crDebug("Render SPU: Attempt to reparent invalid window (%d)", window);
+ return;
+ }
+
+ renderspu_SystemReparentWindow(pWindow);
+
+ /* special case: reparent all internal windows as well */
+ if (window == CR_RENDER_DEFAULT_WINDOW_ID)
+ {
+ crHashtableWalk(render_spu.dummyWindowTable, renderspuReparentWindowCB, NULL);
+ }
+}
+
+DECLEXPORT(void) renderspuSetUnscaledHiDPI(bool fEnable)
+{
+ render_spu.fUnscaledHiDPI = fEnable;
+}
+
+#define FILLIN( NAME, FUNC ) \
+ table[i].name = crStrdup(NAME); \
+ table[i].fn = (SPUGenericFunction) FUNC; \
+ i++;
+
+
+/* These are the functions which the render SPU implements, not OpenGL.
+ */
+int
+renderspuCreateFunctions(SPUNamedFunctionTable table[])
+{
+ int i = 0;
+ FILLIN( "SwapBuffers", renderspuSwapBuffers );
+ FILLIN( "CreateContext", renderspuCreateContext );
+ FILLIN( "DestroyContext", renderspuDestroyContext );
+ FILLIN( "MakeCurrent", renderspuMakeCurrent );
+ FILLIN( "WindowCreate", renderspuWindowCreate );
+ FILLIN( "WindowDestroy", renderspuWindowDestroy );
+ FILLIN( "WindowSize", renderspuWindowSize );
+ FILLIN( "WindowPosition", renderspuWindowPosition );
+ FILLIN( "WindowVisibleRegion", renderspuWindowVisibleRegion );
+ FILLIN( "WindowShow", renderspuWindowShow );
+ FILLIN( "BarrierCreateCR", renderspuBarrierCreateCR );
+ FILLIN( "BarrierDestroyCR", renderspuBarrierDestroyCR );
+ FILLIN( "BarrierExecCR", renderspuBarrierExecCR );
+ FILLIN( "BoundsInfoCR", renderspuBoundsInfoCR );
+ FILLIN( "SemaphoreCreateCR", renderspuSemaphoreCreateCR );
+ FILLIN( "SemaphoreDestroyCR", renderspuSemaphoreDestroyCR );
+ FILLIN( "SemaphorePCR", renderspuSemaphorePCR );
+ FILLIN( "SemaphoreVCR", renderspuSemaphoreVCR );
+ FILLIN( "Writeback", renderspuWriteback );
+ FILLIN( "ChromiumParameteriCR", renderspuChromiumParameteriCR );
+ FILLIN( "ChromiumParameterfCR", renderspuChromiumParameterfCR );
+ FILLIN( "ChromiumParametervCR", renderspuChromiumParametervCR );
+ FILLIN( "GetChromiumParametervCR", renderspuGetChromiumParametervCR );
+ FILLIN( "GetString", renderspuGetString );
+ FILLIN( "VBoxPresentComposition", renderspuVBoxPresentComposition );
+ return i;
+}