void XMesaDestroyContext( XMesaContext c )
{
GLcontext *mesaCtx = &c->mesa;
+#ifdef FX
+ XMesaBuffer xmbuf = XMESA_BUFFER(mesaCtx->DrawBuffer);
+
+ if (xmbuf && xmbuf->FXctx)
+ fxMesaDestroyContext(xmbuf->FXctx);
+#endif
_swsetup_DestroyContext( mesaCtx );
_swrast_DestroyContext( mesaCtx );
_tnl_DestroyContext( mesaCtx );
* X window or pixmap.
* \param v the window's XMesaVisual
* \param w the window we're wrapping
+ * \param c context used to initialize the buffer if 3Dfx mode in use.
* \return new XMesaBuffer or NULL if error
*/
-PUBLIC XMesaBuffer
-XMesaCreateWindowBuffer(XMesaVisual v, XMesaWindow w)
+XMesaBuffer
+XMesaCreateWindowBuffer2(XMesaVisual v, XMesaWindow w, XMesaContext c)
{
#ifndef XFree86Server
XWindowAttributes attr;
+#endif
+#ifdef FX
+ char *fxEnvVar;
#endif
int client = 0;
XMesaBuffer b;
assert(v);
assert(w);
+ (void) c;
/* Check that window depth matches visual depth */
#ifdef XFree86Server
return NULL;
}
+#ifdef FX
+ fxEnvVar = _mesa_getenv("MESA_GLX_FX");
+ if (fxEnvVar) {
+ if (fxEnvVar[0]!='d') {
+ int attribs[100];
+ int numAttribs = 0;
+ int hw;
+ if (v->mesa_visual.depthBits > 0) {
+ attribs[numAttribs++] = FXMESA_DEPTH_SIZE;
+ attribs[numAttribs++] = v->mesa_visual.depthBits;
+ }
+ if (v->mesa_visual.doubleBufferMode) {
+ attribs[numAttribs++] = FXMESA_DOUBLEBUFFER;
+ }
+ if (v->mesa_visual.accumRedBits > 0) {
+ attribs[numAttribs++] = FXMESA_ACCUM_SIZE;
+ attribs[numAttribs++] = v->mesa_visual.accumRedBits;
+ }
+ if (v->mesa_visual.stencilBits > 0) {
+ attribs[numAttribs++] = FXMESA_STENCIL_SIZE;
+ attribs[numAttribs++] = v->mesa_visual.stencilBits;
+ }
+ if (v->mesa_visual.alphaBits > 0) {
+ attribs[numAttribs++] = FXMESA_ALPHA_SIZE;
+ attribs[numAttribs++] = v->mesa_visual.alphaBits;
+ }
+ if (1) {
+ attribs[numAttribs++] = FXMESA_SHARE_CONTEXT;
+ attribs[numAttribs++] = (int) &(c->mesa);
+ }
+ attribs[numAttribs++] = FXMESA_NONE;
+
+ /* [dBorca] we should take an envvar for `fxMesaSelectCurrentBoard'!!! */
+ hw = fxMesaSelectCurrentBoard(0);
+
+ /* if these fail, there's a new bug somewhere */
+ ASSERT(b->mesa_buffer.Width > 0);
+ ASSERT(b->mesa_buffer.Height > 0);
+
+ if ((hw == GR_SSTTYPE_VOODOO) || (hw == GR_SSTTYPE_Voodoo2)) {
+ b->FXctx = fxMesaCreateBestContext(0, b->mesa_buffer.Width,
+ b->mesa_buffer.Height, attribs);
+ if ((v->undithered_pf!=PF_Index) && (b->backxrb->ximage)) {
+ b->FXisHackUsable = b->FXctx ? GL_TRUE : GL_FALSE;
+ if (b->FXctx && (fxEnvVar[0]=='w' || fxEnvVar[0]=='W')) {
+ b->FXwindowHack = GL_TRUE;
+ FX_grSstControl(GR_CONTROL_DEACTIVATE);
+ }
+ else {
+ b->FXwindowHack = GL_FALSE;
+ }
+ }
+ }
+ else {
+ if (fxEnvVar[0]=='w' || fxEnvVar[0]=='W')
+ b->FXctx = fxMesaCreateContext(w, GR_RESOLUTION_NONE,
+ GR_REFRESH_75Hz, attribs);
+ else
+ b->FXctx = fxMesaCreateBestContext(0, b->mesa_buffer.Width,
+ b->mesa_buffer.Height, attribs);
+ b->FXisHackUsable = GL_FALSE;
+ b->FXwindowHack = GL_FALSE;
+ }
+ /*
+ fprintf(stderr,
+ "voodoo %d, wid %d height %d hack: usable %d active %d\n",
+ hw, b->mesa_buffer.Width, b->mesa_buffer.Height,
+ b->FXisHackUsable, b->FXwindowHack);
+ */
+ }
+ }
+ else {
+ _mesa_warning(NULL, "WARNING: This Mesa Library includes the Glide driver but\n");
+ _mesa_warning(NULL, " you have not defined the MESA_GLX_FX env. var.\n");
+ _mesa_warning(NULL, " (check the README.3DFX file for more information).\n\n");
+ _mesa_warning(NULL, " you can disable this message with a 'export MESA_GLX_FX=disable'.\n");
+ }
+#endif
+
return b;
}
+PUBLIC XMesaBuffer
+XMesaCreateWindowBuffer(XMesaVisual v, XMesaWindow w)
+{
+ return XMesaCreateWindowBuffer2( v, w, NULL );
+}
+
+
/**
* Create a new XMesaBuffer from an X pixmap.
*
if (!drawBuffer || !readBuffer)
return GL_FALSE; /* must specify buffers! */
+#ifdef FX
+ if (drawBuffer->FXctx) {
+ fxMesaMakeCurrent(drawBuffer->FXctx);
+
+ c->xm_buffer = drawBuffer;
+
+ return GL_TRUE;
+ }
+#endif
if (&(c->mesa) == _mesa_get_current_context()
&& c->mesa.DrawBuffer == &drawBuffer->mesa_buffer
&& c->mesa.ReadBuffer == &readBuffer->mesa_buffer
*/
GLboolean XMesaSetFXmode( GLint mode )
{
+#ifdef FX
+ const char *fx = _mesa_getenv("MESA_GLX_FX");
+ if (fx && fx[0] != 'd') {
+ GET_CURRENT_CONTEXT(ctx);
+ GrHwConfiguration hw;
+ if (!FX_grSstQueryHardware(&hw)) {
+ /*fprintf(stderr, "!grSstQueryHardware\n");*/
+ return GL_FALSE;
+ }
+ if (hw.num_sst < 1) {
+ /*fprintf(stderr, "hw.num_sst < 1\n");*/
+ return GL_FALSE;
+ }
+ if (ctx) {
+ /* [dBorca] Hack alert:
+ * oh, this is sooo wrong: ctx above is
+ * really an fxMesaContext, not an XMesaContext
+ */
+ XMesaBuffer xmbuf = XMESA_BUFFER(ctx->DrawBuffer);
+ if (mode == XMESA_FX_WINDOW) {
+ if (xmbuf->FXisHackUsable) {
+ FX_grSstControl(GR_CONTROL_DEACTIVATE);
+ xmbuf->FXwindowHack = GL_TRUE;
+ return GL_TRUE;
+ }
+ }
+ else if (mode == XMESA_FX_FULLSCREEN) {
+ FX_grSstControl(GR_CONTROL_ACTIVATE);
+ xmbuf->FXwindowHack = GL_FALSE;
+ return GL_TRUE;
+ }
+ else {
+ /* Error: Bad mode value */
+ }
+ }
+ }
+ /*fprintf(stderr, "fallthrough\n");*/
+#else
(void) mode;
+#endif
return GL_FALSE;
}
+#ifdef FX
+/*
+ * Read image from VooDoo frame buffer into X/Mesa's back XImage.
+ */
+static void FXgetImage( XMesaBuffer b )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ static unsigned short pixbuf[MAX_WIDTH];
+ GLuint x, y;
+ GLuint width, height;
+ XMesaContext xmesa = XMESA_CONTEXT(ctx);
+
+#ifdef XFree86Server
+ x = b->frontxrb->pixmap->x;
+ y = b->frontxrb->pixmap->y;
+ width = b->frontxrb->pixmap->width;
+ height = b->frontxrb->pixmap->height;
+ depth = b->frontxrb->pixmap->depth;
+#else
+ xmesa_get_window_size(b->display, b, &width, &height);
+ x = y = 0;
+#endif
+ if (b->mesa_buffer.Width != width || b->mesa_buffer.Height != height) {
+ b->mesa_buffer.Width = MIN2((int)width, b->FXctx->width);
+ b->mesa_buffer.Height = MIN2((int)height, b->FXctx->height);
+ if (b->mesa_buffer.Width & 1)
+ b->mesa_buffer.Width--; /* prevent odd width */
+ }
+
+ /* [dBorca] we're always in the right GR_COLORFORMAT... aren't we? */
+ /* grLfbWriteColorFormat(GR_COLORFORMAT_ARGB); */
+ if (b->xm_visual->undithered_pf==PF_5R6G5B) {
+ /* Special case: 16bpp RGB */
+ grLfbReadRegion( GR_BUFFER_FRONTBUFFER, /* src buffer */
+ 0, b->FXctx->height - b->mesa_buffer.Height, /*pos*/
+ b->mesa_buffer.Width, b->mesa_buffer.Height, /* size */
+ b->mesa_buffer.Width * sizeof(GLushort), /* stride */
+ b->backxrb->ximage->data); /* dest buffer */
+ }
+ else if (b->xm_visual->dithered_pf==PF_Dither
+ && GET_VISUAL_DEPTH(b->xm_visual)==8) {
+ /* Special case: 8bpp RGB */
+ for (y=0;y<b->mesa_buffer.Height;y++) {
+ GLubyte *ptr = (GLubyte*) b->backxrb->ximage->data
+ + b->backxrb->ximage->bytes_per_line * y;
+ XDITHER_SETUP(y);
+
+ /* read row from 3Dfx frame buffer */
+ grLfbReadRegion( GR_BUFFER_FRONTBUFFER,
+ 0, b->FXctx->height-(b->mesa_buffer.Height-y),
+ b->mesa_buffer.Width, 1,
+ 0,
+ pixbuf );
+
+ /* write to XImage back buffer */
+ for (x=0;x<b->mesa_buffer.Width;x++) {
+ GLubyte r = (pixbuf[x] & 0xf800) >> 8;
+ GLubyte g = (pixbuf[x] & 0x07e0) >> 3;
+ GLubyte b = (pixbuf[x] & 0x001f) << 3;
+ *ptr++ = XDITHER( x, r, g, b);
+ }
+ }
+ }
+ else {
+ /* General case: slow! */
+ for (y=0;y<b->mesa_buffer.Height;y++) {
+ /* read row from 3Dfx frame buffer */
+ grLfbReadRegion( GR_BUFFER_FRONTBUFFER,
+ 0, b->FXctx->height-(b->mesa_buffer.Height-y),
+ b->mesa_buffer.Width, 1,
+ 0,
+ pixbuf );
+
+ /* write to XImage back buffer */
+ for (x=0;x<b->mesa_buffer.Width;x++) {
+ XMesaPutPixel(b->backxrb->ximage,x,y,
+ xmesa_color_to_pixel(ctx,
+ (pixbuf[x] & 0xf800) >> 8,
+ (pixbuf[x] & 0x07e0) >> 3,
+ (pixbuf[x] & 0x001f) << 3,
+ 0xff,
+ b->xm_visual->undithered_pf));
+ }
+ }
+ }
+ /* grLfbWriteColorFormat(GR_COLORFORMAT_ABGR); */
+}
+#endif
+
+
/*
* Copy the back buffer to the front buffer. If there's no back buffer
* this is a no-op.
_mesa_notifySwapBuffers(ctx);
if (b->db_mode) {
+#ifdef FX
+ if (b->FXctx) {
+ fxMesaSwapBuffers();
+
+ if (b->FXwindowHack)
+ FXgetImage(b);
+ else
+ return;
+ }
+#endif
if (b->backxrb->ximage) {
/* Copy Ximage (back buf) from client memory to server window */
#if defined(USE_XSHM) && !defined(XFree86Server)
if (b->db_mode) {
int yTop = b->mesa_buffer.Height - y - height;
+#ifdef FX
+ if (b->FXctx) {
+ fxMesaSwapBuffers();
+ if (b->FXwindowHack)
+ FXgetImage(b);
+ else
+ return;
+ }
+#endif
if (b->backxrb->ximage) {
/* Copy Ximage from host's memory to server's window */
#if defined(USE_XSHM) && !defined(XFree86Server)
projects / mesa.git / commitdiff