Remove CVS keywords.
[mesa.git] / src / mesa / drivers / dri / tdfx / tdfx_screen.c
index 7896811d997cc4e10c6c3a50d6300d7cb833426c..776166439444ec94b481b24b8afdb038d4ddeba7 100644 (file)
@@ -23,7 +23,6 @@
  * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
-/* $XFree86: xc/lib/GL/mesa/src/drv/tdfx/tdfx_screen.c,v 1.3 2002/02/22 21:45:03 dawes Exp $ */
 
 /*
  * Original rewrite:
 #include "tdfx_context.h"
 #include "tdfx_lock.h"
 #include "tdfx_vb.h"
+#include "tdfx_span.h"
 #include "tdfx_tris.h"
-#include "utils.h"
 
+#include "framebuffer.h"
+#include "renderbuffer.h"
+#include "xmlpool.h"
+
+#include "utils.h"
 
 #ifdef DEBUG_LOCKING
 char *prevLockFile = 0;
@@ -48,30 +52,44 @@ int prevLockLine = 0;
 #endif
 
 #ifndef TDFX_DEBUG
-int TDFX_DEBUG = (0
-/*               | DEBUG_ALWAYS_SYNC */
-/*               | DEBUG_VERBOSE_API */
-/*               | DEBUG_VERBOSE_MSG */
-/*               | DEBUG_VERBOSE_LRU */
-/*               | DEBUG_VERBOSE_DRI */
-/*               | DEBUG_VERBOSE_IOCTL */
-/*               | DEBUG_VERBOSE_2D */
-   );
+int TDFX_DEBUG = 0;
 #endif
 
+PUBLIC const char __driConfigOptions[] =
+DRI_CONF_BEGIN
+    DRI_CONF_SECTION_DEBUG
+        DRI_CONF_NO_RAST(false)
+    DRI_CONF_SECTION_END
+DRI_CONF_END;
 
+static const GLuint __driNConfigOptions = 1;
+
+extern const struct dri_extension card_extensions[];
+extern const struct dri_extension napalm_extensions[];
 
 static GLboolean
 tdfxCreateScreen( __DRIscreenPrivate *sPriv )
 {
    tdfxScreenPrivate *fxScreen;
    TDFXDRIPtr fxDRIPriv = (TDFXDRIPtr) sPriv->pDevPriv;
+   PFNGLXSCRENABLEEXTENSIONPROC glx_enable_extension =
+     (PFNGLXSCRENABLEEXTENSIONPROC) (*dri_interface->getProcAddress("glxEnableExtension"));
+   void *const psc = sPriv->psc->screenConfigs;
+
+   if (sPriv->devPrivSize != sizeof(TDFXDRIRec)) {
+      fprintf(stderr,"\nERROR!  sizeof(TDFXDRIRec) does not match passed size from device driver\n");
+      return GL_FALSE;
+   }
 
    /* Allocate the private area */
    fxScreen = (tdfxScreenPrivate *) CALLOC( sizeof(tdfxScreenPrivate) );
    if ( !fxScreen )
       return GL_FALSE;
 
+   /* parse information in __driConfigOptions */
+   driParseOptionInfo (&fxScreen->optionCache,
+                      __driConfigOptions, __driNConfigOptions);
+
    fxScreen->driScrnPriv = sPriv;
    sPriv->private = (void *) fxScreen;
 
@@ -97,6 +115,10 @@ tdfxCreateScreen( __DRIscreenPrivate *sPriv )
       return GL_FALSE;
    }
 
+   if (glx_enable_extension != NULL) {
+      (*glx_enable_extension)(psc, "GLX_SGI_make_current_read");
+   }
+
    return GL_TRUE;
 }
 
@@ -106,12 +128,16 @@ tdfxDestroyScreen( __DRIscreenPrivate *sPriv )
 {
    tdfxScreenPrivate *fxScreen = (tdfxScreenPrivate *) sPriv->private;
 
-   if ( fxScreen ) {
-      drmUnmap( fxScreen->regs.map, fxScreen->regs.size );
+   if (!fxScreen)
+      return;
 
-      FREE( fxScreen );
-      sPriv->private = NULL;
-   }
+   drmUnmap( fxScreen->regs.map, fxScreen->regs.size );
+
+   /* free all option information */
+   driDestroyOptionInfo (&fxScreen->optionCache);
+
+   FREE( fxScreen );
+   sPriv->private = NULL;
 }
 
 
@@ -137,16 +163,67 @@ tdfxCreateBuffer( __DRIscreenPrivate *driScrnPriv,
                   const __GLcontextModes *mesaVis,
                   GLboolean isPixmap )
 {
+   tdfxScreenPrivate *screen = (tdfxScreenPrivate *) driScrnPriv->private;
+
    if (isPixmap) {
       return GL_FALSE; /* not implemented */
    }
    else {
-      driDrawPriv->driverPrivate = (void *) 
-         _mesa_create_framebuffer( mesaVis,
-                                   GL_FALSE, /* software depth buffer? */
-                                   mesaVis->stencilBits > 0,
+      struct gl_framebuffer *fb = _mesa_create_framebuffer(mesaVis);
+
+      {
+         driRenderbuffer *frontRb
+            = driNewRenderbuffer(GL_RGBA, NULL, screen->cpp,
+                                 screen->fbOffset, screen->width, driDrawPriv);
+         tdfxSetSpanFunctions(frontRb, mesaVis);
+         _mesa_add_renderbuffer(fb, BUFFER_FRONT_LEFT, &frontRb->Base);
+      }
+
+      if (mesaVis->doubleBufferMode) {
+         driRenderbuffer *backRb
+            = driNewRenderbuffer(GL_RGBA, NULL, screen->cpp,
+                                 screen->backOffset, screen->width,
+                                 driDrawPriv);
+         tdfxSetSpanFunctions(backRb, mesaVis);
+         _mesa_add_renderbuffer(fb, BUFFER_BACK_LEFT, &backRb->Base);
+        backRb->backBuffer = GL_TRUE;
+      }
+
+      if (mesaVis->depthBits == 16) {
+         driRenderbuffer *depthRb
+            = driNewRenderbuffer(GL_DEPTH_COMPONENT16, NULL, screen->cpp,
+                                 screen->depthOffset, screen->width,
+                                 driDrawPriv);
+         tdfxSetSpanFunctions(depthRb, mesaVis);
+         _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base);
+      }
+      else if (mesaVis->depthBits == 24) {
+         driRenderbuffer *depthRb
+            = driNewRenderbuffer(GL_DEPTH_COMPONENT24, NULL, screen->cpp,
+                                 screen->depthOffset, screen->width,
+                                 driDrawPriv);
+         tdfxSetSpanFunctions(depthRb, mesaVis);
+         _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base);
+      }
+
+      if (mesaVis->stencilBits > 0) {
+         driRenderbuffer *stencilRb
+            = driNewRenderbuffer(GL_STENCIL_INDEX8_EXT, NULL, screen->cpp,
+                                 screen->depthOffset, screen->width,
+                                 driDrawPriv);
+         tdfxSetSpanFunctions(stencilRb, mesaVis);
+         _mesa_add_renderbuffer(fb, BUFFER_STENCIL, &stencilRb->Base);
+      }
+
+      _mesa_add_soft_renderbuffers(fb,
+                                   GL_FALSE, /* color */
+                                   GL_FALSE, /* depth */
+                                   GL_FALSE, /*swStencil,*/
                                    mesaVis->accumRedBits > 0,
-                                   GL_FALSE /* software alpha channel? */ );
+                                   GL_FALSE, /* alpha */
+                                   GL_FALSE /* aux */);
+      driDrawPriv->driverPrivate = (void *) fb;
+
       return (driDrawPriv->driverPrivate != NULL);
    }
 }
@@ -155,7 +232,7 @@ tdfxCreateBuffer( __DRIscreenPrivate *driScrnPriv,
 static void
 tdfxDestroyBuffer(__DRIdrawablePrivate *driDrawPriv)
 {
-   _mesa_destroy_framebuffer((GLframebuffer *) (driDrawPriv->driverPrivate));
+   _mesa_unreference_framebuffer((GLframebuffer **)(&(driDrawPriv->driverPrivate)));
 }
 
 
@@ -195,7 +272,9 @@ tdfxSwapBuffers( __DRIdrawablePrivate *driDrawPriv )
             return;
         LOCK_HARDWARE( fxMesa );
         fxMesa->Glide.grSstSelect( fxMesa->Glide.Board );
+#ifdef DEBUG
          printf("SwapBuf SetState 1\n");
+#endif
         fxMesa->Glide.grGlideSetState(fxMesa->Glide.State );
       }
    }
@@ -255,7 +334,9 @@ tdfxSwapBuffers( __DRIdrawablePrivate *driDrawPriv )
       if (ctx->DriverCtx != fxMesa) {
          fxMesa = TDFX_CONTEXT(ctx);
         fxMesa->Glide.grSstSelect( fxMesa->Glide.Board );
+#ifdef DEBUG
          printf("SwapBuf SetState 2\n");
+#endif
         fxMesa->Glide.grGlideSetState(fxMesa->Glide.State );
       }
       UNLOCK_HARDWARE( fxMesa );
@@ -280,12 +361,6 @@ static const struct __DriverAPIRec tdfxAPI = {
    .SwapBuffersMSC  = NULL
 };
 
-#ifdef USE_NEW_INTERFACE
-/*
- * new interface code, derived from radeon_screen.c
- * XXX this may still be wrong
- */
-static PFNGLXCREATECONTEXTMODES create_context_modes = NULL;
 
 static __GLcontextModes *tdfxFillInModes(unsigned pixel_bits,
                                         unsigned depth_bits,
@@ -307,7 +382,7 @@ static __GLcontextModes *tdfxFillInModes(unsigned pixel_bits,
 
        num_modes = (depth_bits == 16) ? 32 : 16;
 
-       modes = (*create_context_modes)(num_modes, sizeof(__GLcontextModes));
+       modes = (*dri_interface->createContextModes)(num_modes, sizeof(__GLcontextModes));
        m = modes;
 
        for (i = 0; i <= 1; i++) {
@@ -329,7 +404,7 @@ static __GLcontextModes *tdfxFillInModes(unsigned pixel_bits,
                            m->accumRedBits     = accum ? 16 : 0;
                            m->accumGreenBits   = accum ? 16 : 0;
                            m->accumBlueBits    = accum ? 16 : 0;
-                           m->accumAlphaBits   = accum ? 16 : 0;
+                           m->accumAlphaBits   = (accum && deep) ? 16 : 0;
                            m->stencilBits      = stencil ? 8 : 0;
                            m->depthBits        = deep
                                                  ? (depth ? 24 : 0)
@@ -366,7 +441,7 @@ static __GLcontextModes *tdfxFillInModes(unsigned pixel_bits,
  *         failure.
  */
 PUBLIC
-void * __driCreateNewScreen( __DRInativeDisplay *dpy, int scrn, __DRIscreen *psc,
+void * __driCreateNewScreen_20050727( __DRInativeDisplay *dpy, int scrn, __DRIscreen *psc,
                             const __GLcontextModes * modes,
                             const __DRIversion * ddx_version,
                             const __DRIversion * dri_version,
@@ -374,13 +449,16 @@ void * __driCreateNewScreen( __DRInativeDisplay *dpy, int scrn, __DRIscreen *psc
                             const __DRIframebuffer * frame_buffer,
                             drmAddress pSAREA, int fd,
                             int internal_api_version,
+                            const __DRIinterfaceMethods * interface,
                             __GLcontextModes ** driver_modes )
 {
    __DRIscreenPrivate *psp;
-   static const __DRIversion ddx_expected = { 1, 0, 0 };
+   static const __DRIversion ddx_expected = { 1, 1, 0 };
    static const __DRIversion dri_expected = { 4, 0, 0 };
    static const __DRIversion drm_expected = { 1, 0, 0 };
 
+   dri_interface = interface;
+
    if ( ! driCheckDriDdxDrmVersions2( "tdfx",
                                      dri_version, & dri_expected,
                                      ddx_version, & ddx_expected,
@@ -393,10 +471,7 @@ void * __driCreateNewScreen( __DRInativeDisplay *dpy, int scrn, __DRIscreen *psc
                                  frame_buffer, pSAREA, fd,
                                  internal_api_version, &tdfxAPI);
 
-   create_context_modes = (PFNGLXCREATECONTEXTMODES)
-      glXGetProcAddress((const GLubyte *)"__glXCreateContextModes");
-      
-   if (create_context_modes != NULL) {
+   if (psp != NULL) {
       /* divined from tdfx_dri.c, sketchy */
       TDFXDRIPtr dri_priv = (TDFXDRIPtr) psp->pDevPriv;
       int bpp = (dri_priv->cpp > 2) ? 24 : 16;
@@ -407,24 +482,18 @@ void * __driCreateNewScreen( __DRInativeDisplay *dpy, int scrn, __DRIscreen *psc
       *driver_modes = tdfxFillInModes(bpp, (bpp == 16) ? 16 : 24,
                                (bpp == 16) ? 0 : 8,
                                (dri_priv->backOffset!=dri_priv->depthOffset));
+
+      /* Calling driInitExtensions here, with a NULL context pointer, does not actually
+       * enable the extensions.  It just makes sure that all the dispatch offsets for all
+       * the extensions that *might* be enables are known.  This is needed because the
+       * dispatch offsets need to be known when _mesa_context_create is called, but we can't
+       * enable the extensions until we have a context pointer.
+       *
+       * Hello chicken.  Hello egg.  How are you two today?
+       */
+      driInitExtensions( NULL, card_extensions, GL_FALSE );
+      driInitExtensions( NULL, napalm_extensions, GL_FALSE );
    }
 
    return (void *)psp;
 }
-#endif /* USE_NEW_INTERFACE */
-
-
-/*
- * This is the bootstrap function for the driver.
- * The __driCreateScreen name is the symbol that libGL.so fetches.
- * Return:  pointer to a __DRIscreenPrivate.
- */
-#if !defined(DRI_NEW_INTERFACE_ONLY)
-void *__driCreateScreen(Display *dpy, int scrn, __DRIscreen *psc,
-                        int numConfigs, __GLXvisualConfig *config)
-{
-   __DRIscreenPrivate *psp;
-   psp = __driUtilCreateScreen(dpy, scrn, psc, numConfigs, config, &tdfxAPI);
-   return (void *) psp;
-}
-#endif /* !defined(DRI_NEW_INTERFACE_ONLY) */