Merge commit 'origin/7.8'
[mesa.git] / src / mesa / drivers / dri / i965 / intel_screen.c
deleted file mode 100644 (file)
index 14b461b1ee71fd1afa2b4109429d2816d5e08c18..0000000000000000000000000000000000000000
+++ /dev/null
@@ -1,699 +0,0 @@
-/**************************************************************************
- * 
- * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- * 
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- * 
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- * 
- **************************************************************************/
-
-#include "glheader.h"
-#include "context.h"
-#include "framebuffer.h"
-#include "matrix.h"
-#include "renderbuffer.h"
-#include "simple_list.h"
-#include "utils.h"
-#include "vblank.h"
-#include "xmlpool.h"
-
-
-#include "intel_screen.h"
-
-#include "intel_tex.h"
-#include "intel_span.h"
-#include "intel_ioctl.h"
-
-#include "i830_dri.h"
-
-PUBLIC const char __driConfigOptions[] =
-DRI_CONF_BEGIN
-    DRI_CONF_SECTION_PERFORMANCE
-       DRI_CONF_FTHROTTLE_MODE(DRI_CONF_FTHROTTLE_IRQS) 
-       DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_0)
-    DRI_CONF_SECTION_END
-    DRI_CONF_SECTION_QUALITY
-       DRI_CONF_FORCE_S3TC_ENABLE(false)
-       DRI_CONF_ALLOW_LARGE_TEXTURES(1)
-      DRI_CONF_SECTION_END
-DRI_CONF_END;
-const GLuint __driNConfigOptions = 4;
-
-#ifdef USE_NEW_INTERFACE
-static PFNGLXCREATECONTEXTMODES create_context_modes = NULL;
-#endif /*USE_NEW_INTERFACE*/
-
-extern const struct dri_extension card_extensions[];
-
-/**
- * Map all the memory regions described by the screen.
- * \return GL_TRUE if success, GL_FALSE if error.
- */
-GLboolean
-intelMapScreenRegions(__DRIscreenPrivate *sPriv)
-{
-   intelScreenPrivate *intelScreen = (intelScreenPrivate *)sPriv->private;
-
-   if (intelScreen->front.handle) {
-      if (drmMap(sPriv->fd,
-                 intelScreen->front.handle,
-                 intelScreen->front.size,
-                 (drmAddress *)&intelScreen->front.map) != 0) {
-         _mesa_problem(NULL, "drmMap(frontbuffer) failed!");
-         return GL_FALSE;
-      }
-   } else {
-      /* Use the old static allocation method if the server isn't setting up
-       * a movable handle for us.  Add in the front buffer offset from
-       * framebuffer start, as our span routines (unlike other drivers) expect
-       * the renderbuffer address to point to the beginning of the
-       * renderbuffer.
-       */
-      intelScreen->front.map = sPriv->pFB;
-      if (intelScreen->front.map == NULL) {
-        fprintf(stderr, "Failed to find framebuffer mapping\n");
-        return GL_FALSE;
-      }
-   }
-
-   if (drmMap(sPriv->fd,
-              intelScreen->back.handle,
-              intelScreen->back.size,
-              (drmAddress *)&intelScreen->back.map) != 0) {
-      intelUnmapScreenRegions(intelScreen);
-      return GL_FALSE;
-   }
-
-   if (drmMap(sPriv->fd,
-              intelScreen->depth.handle,
-              intelScreen->depth.size,
-              (drmAddress *)&intelScreen->depth.map) != 0) {
-      intelUnmapScreenRegions(intelScreen);
-      return GL_FALSE;
-   }
-
-   if (drmMap(sPriv->fd,
-              intelScreen->tex.handle,
-              intelScreen->tex.size,
-              (drmAddress *)&intelScreen->tex.map) != 0) {
-      intelUnmapScreenRegions(intelScreen);
-      return GL_FALSE;
-   }
-
-   if (0)
-      printf("Mappings:  front: %p  back: %p  depth: %p  tex: %p\n",
-          intelScreen->front.map,
-          intelScreen->back.map,
-          intelScreen->depth.map,
-          intelScreen->tex.map);
-   return GL_TRUE;
-}
-
-
-void
-intelUnmapScreenRegions(intelScreenPrivate *intelScreen)
-{
-#define REALLY_UNMAP 1
-   /* If front.handle is present, we're doing the dynamic front buffer mapping,
-    * but if we've fallen back to static allocation then we shouldn't try to
-    * unmap here.
-    */
-   if (intelScreen->front.handle) {
-#if REALLY_UNMAP
-      if (drmUnmap(intelScreen->front.map, intelScreen->front.size) != 0)
-         printf("drmUnmap front failed!\n");
-#endif
-      intelScreen->front.map = NULL;
-   }
-   if (intelScreen->back.map) {
-#if REALLY_UNMAP
-      if (drmUnmap(intelScreen->back.map, intelScreen->back.size) != 0)
-         printf("drmUnmap back failed!\n");
-#endif
-      intelScreen->back.map = NULL;
-   }
-   if (intelScreen->depth.map) {
-#if REALLY_UNMAP
-      drmUnmap(intelScreen->depth.map, intelScreen->depth.size);
-      intelScreen->depth.map = NULL;
-#endif
-   }
-   if (intelScreen->tex.map) {
-#if REALLY_UNMAP
-      drmUnmap(intelScreen->tex.map, intelScreen->tex.size);
-      intelScreen->tex.map = NULL;
-#endif
-   }
-}
-
-
-static void
-intelPrintDRIInfo(intelScreenPrivate *intelScreen,
-                  __DRIscreenPrivate *sPriv,
-                  I830DRIPtr gDRIPriv)
-{
-   fprintf(stderr, "*** Front size:   0x%x  offset: 0x%x  pitch: %d\n",
-           intelScreen->front.size, intelScreen->front.offset,
-           intelScreen->front.pitch);
-   fprintf(stderr, "*** Back size:    0x%x  offset: 0x%x  pitch: %d\n",
-           intelScreen->back.size, intelScreen->back.offset,
-           intelScreen->back.pitch);
-   fprintf(stderr, "*** Depth size:   0x%x  offset: 0x%x  pitch: %d\n",
-           intelScreen->depth.size, intelScreen->depth.offset,
-           intelScreen->depth.pitch);
-   fprintf(stderr, "*** Rotated size: 0x%x  offset: 0x%x  pitch: %d\n",
-           intelScreen->rotated.size, intelScreen->rotated.offset,
-           intelScreen->rotated.pitch);
-   fprintf(stderr, "*** Texture size: 0x%x  offset: 0x%x\n",
-           intelScreen->tex.size, intelScreen->tex.offset);
-   fprintf(stderr, "*** Memory : 0x%x\n", gDRIPriv->mem);
-}
-
-
-static void
-intelPrintSAREA(volatile drmI830Sarea *sarea)
-{
-   fprintf(stderr, "SAREA: sarea width %d  height %d\n", sarea->width, sarea->height);
-   fprintf(stderr, "SAREA: pitch: %d\n", sarea->pitch);
-   fprintf(stderr,
-           "SAREA: front offset: 0x%08x  size: 0x%x  handle: 0x%x\n",
-           sarea->front_offset, sarea->front_size,
-           (unsigned) sarea->front_handle);
-   fprintf(stderr,
-           "SAREA: back  offset: 0x%08x  size: 0x%x  handle: 0x%x\n",
-           sarea->back_offset, sarea->back_size,
-           (unsigned) sarea->back_handle);
-   fprintf(stderr, "SAREA: depth offset: 0x%08x  size: 0x%x  handle: 0x%x\n",
-           sarea->depth_offset, sarea->depth_size,
-           (unsigned) sarea->depth_handle);
-   fprintf(stderr, "SAREA: tex   offset: 0x%08x  size: 0x%x  handle: 0x%x\n",
-           sarea->tex_offset, sarea->tex_size,
-           (unsigned) sarea->tex_handle);
-   fprintf(stderr, "SAREA: rotation: %d\n", sarea->rotation);
-   fprintf(stderr,
-           "SAREA: rotated offset: 0x%08x  size: 0x%x\n",
-           sarea->rotated_offset, sarea->rotated_size);
-   fprintf(stderr, "SAREA: rotated pitch: %d\n", sarea->rotated_pitch);
-}
-
-
-/**
- * A number of the screen parameters are obtained/computed from
- * information in the SAREA.  This function updates those parameters.
- */
-void
-intelUpdateScreenFromSAREA(intelScreenPrivate *intelScreen,
-                           volatile drmI830Sarea *sarea)
-{
-   intelScreen->width = sarea->width;
-   intelScreen->height = sarea->height;
-
-   intelScreen->front.offset = sarea->front_offset;
-   intelScreen->front.pitch = sarea->pitch * intelScreen->cpp;
-   intelScreen->front.handle = sarea->front_handle;
-   intelScreen->front.size = sarea->front_size;
-
-   intelScreen->back.offset = sarea->back_offset;
-   intelScreen->back.pitch = sarea->pitch * intelScreen->cpp;
-   intelScreen->back.handle = sarea->back_handle;
-   intelScreen->back.size = sarea->back_size;
-                        
-   intelScreen->depth.offset = sarea->depth_offset;
-   intelScreen->depth.pitch = sarea->pitch * intelScreen->cpp;
-   intelScreen->depth.handle = sarea->depth_handle;
-   intelScreen->depth.size = sarea->depth_size;
-
-   intelScreen->tex.offset = sarea->tex_offset;
-   intelScreen->logTextureGranularity = sarea->log_tex_granularity;
-   intelScreen->tex.handle = sarea->tex_handle;
-   intelScreen->tex.size = sarea->tex_size;
-
-   intelScreen->rotated.offset = sarea->rotated_offset;
-   intelScreen->rotated.pitch = sarea->rotated_pitch * intelScreen->cpp;
-   intelScreen->rotated.size = sarea->rotated_size;
-   intelScreen->current_rotation = sarea->rotation;
-#if 0
-   matrix23Rotate(&intelScreen->rotMatrix,
-                  sarea->width, sarea->height, sarea->rotation);
-#endif
-   intelScreen->rotatedWidth = sarea->virtualX;
-   intelScreen->rotatedHeight = sarea->virtualY;
-
-   if (0)
-      intelPrintSAREA(sarea);
-}
-
-
-static GLboolean intelInitDriver(__DRIscreenPrivate *sPriv)
-{
-   intelScreenPrivate *intelScreen;
-   I830DRIPtr         gDRIPriv = (I830DRIPtr)sPriv->pDevPriv;
-   PFNGLXSCRENABLEEXTENSIONPROC glx_enable_extension =
-     (PFNGLXSCRENABLEEXTENSIONPROC) (*dri_interface->getProcAddress("glxEnableExtension"));
-   void * const psc = sPriv->psc->screenConfigs;
-   volatile drmI830Sarea *sarea;
-
-   if (sPriv->devPrivSize != sizeof(I830DRIRec)) {
-      fprintf(stderr,"\nERROR!  sizeof(I830DRIRec) (%d) does not match passed size from device driver (%d)\n", sizeof(I830DRIRec), sPriv->devPrivSize);
-      return GL_FALSE;
-   }
-
-   /* Allocate the private area */
-   intelScreen = (intelScreenPrivate *)CALLOC(sizeof(intelScreenPrivate));
-   if (!intelScreen) {
-      fprintf(stderr,"\nERROR!  Allocating private area failed\n");
-      return GL_FALSE;
-   }
-   /* parse information in __driConfigOptions */
-   driParseOptionInfo (&intelScreen->optionCache,
-                      __driConfigOptions, __driNConfigOptions);
-
-   intelScreen->driScrnPriv = sPriv;
-   sPriv->private = (void *)intelScreen;
-   intelScreen->sarea_priv_offset = gDRIPriv->sarea_priv_offset;
-   sarea = (volatile drmI830Sarea *)
-         (((GLubyte *)sPriv->pSAREA)+intelScreen->sarea_priv_offset);
-
-   intelScreen->deviceID = gDRIPriv->deviceID;
-   intelScreen->mem = gDRIPriv->mem;
-   intelScreen->cpp = gDRIPriv->cpp;
-
-   switch (gDRIPriv->bitsPerPixel) {
-   case 15: intelScreen->fbFormat = DV_PF_555; break;
-   case 16: intelScreen->fbFormat = DV_PF_565; break;
-   case 32: intelScreen->fbFormat = DV_PF_8888; break;
-   }
-                        
-   intelUpdateScreenFromSAREA(intelScreen, sarea);
-
-   if (0)
-      intelPrintDRIInfo(intelScreen, sPriv, gDRIPriv);
-
-   if (!intelMapScreenRegions(sPriv)) {
-      fprintf(stderr,"\nERROR!  mapping regions\n");
-      _mesa_free(intelScreen);
-      sPriv->private = NULL;
-      return GL_FALSE;
-   }
-
-   intelScreen->drmMinor = sPriv->drmMinor;
-
-   /* Determine if IRQs are active? */
-   {
-      int ret;
-      drmI830GetParam gp;
-
-      gp.param = I830_PARAM_IRQ_ACTIVE;
-      gp.value = &intelScreen->irq_active;
-
-      ret = drmCommandWriteRead( sPriv->fd, DRM_I830_GETPARAM,
-                                &gp, sizeof(gp));
-      if (ret) {
-        fprintf(stderr, "drmI830GetParam: %d\n", ret);
-        return GL_FALSE;
-      }
-   }
-
-   /* Determine if batchbuffers are allowed */
-   {
-      int ret;
-      drmI830GetParam gp;
-
-      gp.param = I830_PARAM_ALLOW_BATCHBUFFER;
-      gp.value = &intelScreen->allow_batchbuffer;
-
-      ret = drmCommandWriteRead( sPriv->fd, DRM_I830_GETPARAM,
-                                &gp, sizeof(gp));
-      if (ret) {
-        fprintf(stderr, "drmI830GetParam: (%d) %d\n", gp.param, ret);
-        return GL_FALSE;
-      }
-   }
-
-   if (glx_enable_extension != NULL) {
-      (*glx_enable_extension)( psc, "GLX_SGI_swap_control" );
-      (*glx_enable_extension)( psc, "GLX_SGI_video_sync" );
-      (*glx_enable_extension)( psc, "GLX_MESA_swap_control" );
-      (*glx_enable_extension)( psc, "GLX_MESA_swap_frame_usage" );
-      (*glx_enable_extension)( psc, "GLX_SGI_make_current_read" );
-      (*glx_enable_extension)( psc, "GLX_MESA_copy_sub_buffer" );
-   }
-   
-   return GL_TRUE;
-}
-
-
-static void intelDestroyScreen(__DRIscreenPrivate *sPriv)
-{
-   intelScreenPrivate *intelScreen = (intelScreenPrivate *)sPriv->private;
-
-   intelUnmapScreenRegions(intelScreen);
-   FREE(intelScreen);
-   sPriv->private = NULL;
-}
-
-static GLboolean intelCreateBuffer( __DRIscreenPrivate *driScrnPriv,
-                                   __DRIdrawablePrivate *driDrawPriv,
-                                   const __GLcontextModes *mesaVis,
-                                   GLboolean isPixmap )
-{
-   intelScreenPrivate *screen = (intelScreenPrivate *) driScrnPriv->private;
-
-   if (isPixmap) {
-      return GL_FALSE; /* not implemented */
-   } else {
-      GLboolean swStencil = (mesaVis->stencilBits > 0 && 
-                            mesaVis->depthBits != 24);
-
-      struct gl_framebuffer *fb = _mesa_create_framebuffer(mesaVis);
-
-      {
-         driRenderbuffer *frontRb
-            = driNewRenderbuffer(GL_RGBA,
-                                 screen->front.map,
-                                 screen->cpp,
-                                 screen->front.offset, screen->front.pitch,
-                                 driDrawPriv);
-         intelSetSpanFunctions(frontRb, mesaVis);
-         _mesa_add_renderbuffer(fb, BUFFER_FRONT_LEFT, &frontRb->Base);
-      }
-
-      if (mesaVis->doubleBufferMode) {
-         driRenderbuffer *backRb
-            = driNewRenderbuffer(GL_RGBA,
-                                 screen->back.map,
-                                 screen->cpp,
-                                 screen->back.offset, screen->back.pitch,
-                                 driDrawPriv);
-         intelSetSpanFunctions(backRb, mesaVis);
-         _mesa_add_renderbuffer(fb, BUFFER_BACK_LEFT, &backRb->Base);
-      }
-
-      if (mesaVis->depthBits == 16) {
-         driRenderbuffer *depthRb
-            = driNewRenderbuffer(GL_DEPTH_COMPONENT16,
-                                 screen->depth.map,
-                                 screen->cpp,
-                                 screen->depth.offset, screen->depth.pitch,
-                                 driDrawPriv);
-         intelSetSpanFunctions(depthRb, mesaVis);
-         _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base);
-      }
-      else if (mesaVis->depthBits == 24) {
-         driRenderbuffer *depthRb
-            = driNewRenderbuffer(GL_DEPTH_COMPONENT24,
-                                 screen->depth.map,
-                                 screen->cpp,
-                                 screen->depth.offset, screen->depth.pitch,
-                                 driDrawPriv);
-         intelSetSpanFunctions(depthRb, mesaVis);
-         _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base);
-      }
-
-      if (mesaVis->stencilBits > 0 && !swStencil) {
-         driRenderbuffer *stencilRb
-            = driNewRenderbuffer(GL_STENCIL_INDEX8_EXT,
-                                 screen->depth.map,
-                                 screen->cpp,
-                                 screen->depth.offset, screen->depth.pitch,
-                                 driDrawPriv);
-         intelSetSpanFunctions(stencilRb, mesaVis);
-         _mesa_add_renderbuffer(fb, BUFFER_STENCIL, &stencilRb->Base);
-      }
-
-      _mesa_add_soft_renderbuffers(fb,
-                                   GL_FALSE, /* color */
-                                   GL_FALSE, /* depth */
-                                   swStencil,
-                                   mesaVis->accumRedBits > 0,
-                                   GL_FALSE, /* alpha */
-                                   GL_FALSE /* aux */);
-      driDrawPriv->driverPrivate = (void *) fb;
-
-      return (driDrawPriv->driverPrivate != NULL);
-   }
-}
-
-static void intelDestroyBuffer(__DRIdrawablePrivate *driDrawPriv)
-{
-   _mesa_destroy_framebuffer((GLframebuffer *) (driDrawPriv->driverPrivate));
-}
-
-
-/**
- * Get information about previous buffer swaps.
- */
-static int
-intelGetSwapInfo( __DRIdrawablePrivate *dPriv, __DRIswapInfo * sInfo )
-{
-   struct intel_context *intel;
-
-   if ( (dPriv == NULL) || (dPriv->driContextPriv == NULL)
-       || (dPriv->driContextPriv->driverPrivate == NULL)
-       || (sInfo == NULL) ) {
-      return -1;
-   }
-
-   intel = dPriv->driContextPriv->driverPrivate;
-   sInfo->swap_count = intel->swap_count;
-   sInfo->swap_ust = intel->swap_ust;
-   sInfo->swap_missed_count = intel->swap_missed_count;
-
-   sInfo->swap_missed_usage = (sInfo->swap_missed_count != 0)
-       ? driCalculateSwapUsage( dPriv, 0, intel->swap_missed_ust )
-       : 0.0;
-
-   return 0;
-}
-
-
-/* There are probably better ways to do this, such as an
- * init-designated function to register chipids and createcontext
- * functions.
- */
-extern GLboolean i830CreateContext( const __GLcontextModes *mesaVis,
-                                   __DRIcontextPrivate *driContextPriv,
-                                   void *sharedContextPrivate);
-
-extern GLboolean i915CreateContext( const __GLcontextModes *mesaVis,
-                                  __DRIcontextPrivate *driContextPriv,
-                                  void *sharedContextPrivate);
-
-extern GLboolean brwCreateContext( const __GLcontextModes *mesaVis,
-                                  __DRIcontextPrivate *driContextPriv,
-                                  void *sharedContextPrivate);
-
-
-
-
-static GLboolean intelCreateContext( const __GLcontextModes *mesaVis,
-                                  __DRIcontextPrivate *driContextPriv,
-                                  void *sharedContextPrivate)
-{
-#if 0
-   __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv;
-   intelScreenPrivate *intelScreen = (intelScreenPrivate *)sPriv->private;
-   switch (intelScreen->deviceID) {
-   case PCI_CHIP_845_G:
-   case PCI_CHIP_I830_M:
-   case PCI_CHIP_I855_GM:
-   case PCI_CHIP_I865_G:
-      return i830CreateContext( mesaVis, driContextPriv, 
-                               sharedContextPrivate );
-
-   case PCI_CHIP_I915_G:
-   case PCI_CHIP_I915_GM:
-   case PCI_CHIP_I945_G:
-   case PCI_CHIP_I945_GM:
-      return i915CreateContext( mesaVis, driContextPriv, 
-                              sharedContextPrivate );
-   default:
-      fprintf(stderr, "Unrecognized deviceID %x\n", intelScreen->deviceID);
-      return GL_FALSE;
-   }
-#else
-   return brwCreateContext( mesaVis, driContextPriv, 
-                           sharedContextPrivate );
-#endif
-}
-
-
-static const struct __DriverAPIRec intelAPI = {
-   .InitDriver      = intelInitDriver,
-   .DestroyScreen   = intelDestroyScreen,
-   .CreateContext   = intelCreateContext,
-   .DestroyContext  = intelDestroyContext,
-   .CreateBuffer    = intelCreateBuffer,
-   .DestroyBuffer   = intelDestroyBuffer,
-   .SwapBuffers     = intelSwapBuffers,
-   .MakeCurrent     = intelMakeCurrent,
-   .UnbindContext   = intelUnbindContext,
-   .GetSwapInfo     = intelGetSwapInfo,
-   .GetMSC          = driGetMSC32,
-   .WaitForMSC      = driWaitForMSC32,
-   .WaitForSBC      = NULL,
-   .SwapBuffersMSC  = NULL,
-   .CopySubBuffer   = intelCopySubBuffer
-};
-
-
-static __GLcontextModes *
-intelFillInModes( unsigned pixel_bits, unsigned depth_bits,
-                unsigned stencil_bits, GLboolean have_back_buffer )
-{
-   __GLcontextModes * modes;
-   __GLcontextModes * m;
-   unsigned num_modes;
-   unsigned depth_buffer_factor;
-   unsigned back_buffer_factor;
-   GLenum fb_format;
-   GLenum fb_type;
-
-   /* GLX_SWAP_COPY_OML is only supported because the Intel driver doesn't
-    * support pageflipping at all.
-    */
-   static const GLenum back_buffer_modes[] = {
-      GLX_NONE, GLX_SWAP_UNDEFINED_OML, GLX_SWAP_COPY_OML
-   };
-
-   u_int8_t depth_bits_array[3];
-   u_int8_t stencil_bits_array[3];
-
-
-   depth_bits_array[0] = 0;
-   depth_bits_array[1] = depth_bits;
-   depth_bits_array[2] = depth_bits;
-
-   /* Just like with the accumulation buffer, always provide some modes
-    * with a stencil buffer.  It will be a sw fallback, but some apps won't
-    * care about that.
-    */
-   stencil_bits_array[0] = 0;
-   stencil_bits_array[1] = 0;
-   stencil_bits_array[2] = (stencil_bits == 0) ? 8 : stencil_bits;
-
-   depth_buffer_factor = ((depth_bits != 0) || (stencil_bits != 0)) ? 3 : 1;
-   back_buffer_factor  = (have_back_buffer) ? 3 : 1;
-
-   num_modes = depth_buffer_factor * back_buffer_factor * 4;
-
-    if ( pixel_bits == 16 ) {
-        fb_format = GL_RGB;
-        fb_type = GL_UNSIGNED_SHORT_5_6_5;
-    }
-    else {
-        fb_format = GL_BGRA;
-        fb_type = GL_UNSIGNED_INT_8_8_8_8_REV;
-    }
-
-   modes = (*dri_interface->createContextModes)( num_modes, sizeof( __GLcontextModes ) );
-   m = modes;
-   if ( ! driFillInModes( & m, fb_format, fb_type,
-                         depth_bits_array, stencil_bits_array, depth_buffer_factor,
-                         back_buffer_modes, back_buffer_factor,
-                         GLX_TRUE_COLOR ) ) {
-       fprintf( stderr, "[%s:%u] Error creating FBConfig!\n",
-                __func__, __LINE__ );
-       return NULL;
-   }
-   if ( ! driFillInModes( & m, fb_format, fb_type,
-                         depth_bits_array, stencil_bits_array, depth_buffer_factor,
-                         back_buffer_modes, back_buffer_factor,
-                         GLX_DIRECT_COLOR ) ) {
-       fprintf( stderr, "[%s:%u] Error creating FBConfig!\n",
-                __func__, __LINE__ );
-       return NULL;
-   }
-
-   /* Mark the visual as slow if there are "fake" stencil bits.
-    */
-   for ( m = modes ; m != NULL ; m = m->next ) {
-      if ( (m->stencilBits != 0) && (m->stencilBits != stencil_bits) ) {
-        m->visualRating = GLX_SLOW_CONFIG;
-      }
-   }
-
-   return modes;
-}
-
-
-/**
- * This is the bootstrap function for the driver.  libGL supplies all of the
- * requisite information about the system, and the driver initializes itself.
- * This routine also fills in the linked list pointed to by \c driver_modes
- * with the \c __GLcontextModes that the driver can support for windows or
- * pbuffers.
- * 
- * \return A pointer to a \c __DRIscreenPrivate on success, or \c NULL on 
- *         failure.
- */
-PUBLIC
-void * __driCreateNewScreen_20050727( __DRInativeDisplay *dpy, int scrn, __DRIscreen *psc,
-                            const __GLcontextModes * modes,
-                            const __DRIversion * ddx_version,
-                            const __DRIversion * dri_version,
-                            const __DRIversion * drm_version,
-                            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, 6, 0 };
-   static const __DRIversion dri_expected = { 4, 0, 0 };
-   static const __DRIversion drm_expected = { 1, 3, 0 };
-
-   dri_interface = interface;
-
-   if ( ! driCheckDriDdxDrmVersions2( "i915",
-                                     dri_version, & dri_expected,
-                                     ddx_version, & ddx_expected,
-                                     drm_version, & drm_expected ) ) {
-      return NULL;
-   }
-
-   psp = __driUtilCreateNewScreen(dpy, scrn, psc, NULL,
-                                 ddx_version, dri_version, drm_version,
-                                 frame_buffer, pSAREA, fd,
-                                 internal_api_version, &intelAPI);
-   if ( psp != NULL ) {
-      I830DRIPtr dri_priv = (I830DRIPtr) psp->pDevPriv;
-      *driver_modes = intelFillInModes( dri_priv->cpp * 8,
-                                       (dri_priv->cpp == 2) ? 16 : 24,
-                                       (dri_priv->cpp == 2) ? 0  : 8,
-                                       GL_TRUE );
-
-      /* 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 );
-   }
-
-   return (void *) psp;
-}
new file mode 120000 (symlink)
index 0000000000000000000000000000000000000000..f2db48272b935d7a584fcba8fff2ab90198a8403
--- /dev/null
@@ -0,0 +1 @@
+../intel/intel_screen.c
\ No newline at end of file