Merge branch 'i915tex_privbuffers' into softpipe_0_1_branch

Conflicts:

	src/mesa/drivers/dri/i915tex/intel_buffers.c
	src/mesa/drivers/dri/i915tex/intel_context.c
	src/mesa/drivers/dri/i915tex/intel_fbo.c
	src/mesa/drivers/dri/i915tex/intel_pixel_draw.c

26 files changed, 457 insertions, 1176 deletions

diff --git a/src/mesa/drivers/dri/i915tex/i830_state.c b/src/mesa/drivers/dri/i915tex/i830_state.c
index 3c149e69055..490d6814295 100644
--- a/src/mesa/drivers/dri/i915tex/i830_state.c
+++ b/src/mesa/drivers/dri/i915tex/i830_state.c
@@ -879,7 +879,6 @@ i830Enable(GLcontext * ctx, GLenum cap, GLboolean state)
 static void
 i830_init_packets(struct i830_context *i830)
 {
-   intelScreenPrivate *screen = i830->intel.intelScreen;
 
    /* Zero all state */
    memset(&i830->state, 0, sizeof(i830->state));
@@ -1033,15 +1032,6 @@ i830_init_packets(struct i830_context *i830)
 
    i830->state.Stipple[I830_STPREG_ST0] = _3DSTATE_STIPPLE;
 
-   i830->state.Buffer[I830_DESTREG_CBUFADDR0] = _3DSTATE_BUF_INFO_CMD;
-   i830->state.Buffer[I830_DESTREG_CBUFADDR1] = (BUF_3D_ID_COLOR_BACK | BUF_3D_PITCH(screen->front.pitch) |     /* pitch in bytes */
-                                                 BUF_3D_USE_FENCE);
-
-
-   i830->state.Buffer[I830_DESTREG_DBUFADDR0] = _3DSTATE_BUF_INFO_CMD;
-   i830->state.Buffer[I830_DESTREG_DBUFADDR1] = (BUF_3D_ID_DEPTH | BUF_3D_PITCH(screen->depth.pitch) |  /* pitch in bytes */
-                                                 BUF_3D_USE_FENCE);
-
    i830->state.Buffer[I830_DESTREG_DV0] = _3DSTATE_DST_BUF_VARS_CMD;
 
 #if 0
diff --git a/src/mesa/drivers/dri/i915tex/i830_vtbl.c b/src/mesa/drivers/dri/i915tex/i830_vtbl.c
index e432648ada0..20c6900025e 100644
--- a/src/mesa/drivers/dri/i915tex/i830_vtbl.c
+++ b/src/mesa/drivers/dri/i915tex/i830_vtbl.c
@@ -61,6 +61,11 @@ do {									\
 #define TEXBIND_SET(n, x) 		((x)<<((n)*4))
 
 static void
+i830_render_prevalidate(struct intel_context *intel)
+{
+}
+
+static void
 i830_render_start(struct intel_context *intel)
 {
    GLcontext *ctx = &intel->ctx;
@@ -597,25 +602,6 @@ i830_set_draw_region(struct intel_context *intel,
    i830_state_draw_region(intel, &i830->state, color_region, depth_region);
 }
 
-#if 0
-static void
-i830_update_color_z_regions(intelContextPtr intel,
-                            const intelRegion * colorRegion,
-                            const intelRegion * depthRegion)
-{
-   i830ContextPtr i830 = I830_CONTEXT(intel);
-
-   i830->state.Buffer[I830_DESTREG_CBUFADDR1] =
-      (BUF_3D_ID_COLOR_BACK | BUF_3D_PITCH(colorRegion->pitch) |
-       BUF_3D_USE_FENCE);
-   i830->state.Buffer[I830_DESTREG_CBUFADDR2] = colorRegion->offset;
-
-   i830->state.Buffer[I830_DESTREG_DBUFADDR1] =
-      (BUF_3D_ID_DEPTH | BUF_3D_PITCH(depthRegion->pitch) | BUF_3D_USE_FENCE);
-   i830->state.Buffer[I830_DESTREG_DBUFADDR2] = depthRegion->offset;
-}
-#endif
-
 
 /* This isn't really handled at the moment.
  */
@@ -657,5 +643,6 @@ i830InitVtbl(struct i830_context *i830)
    i830->intel.vtbl.update_texture_state = i830UpdateTextureState;
    i830->intel.vtbl.flush_cmd = i830_flush_cmd;
    i830->intel.vtbl.render_start = i830_render_start;
+   i830->intel.vtbl.render_prevalidate = i830_render_prevalidate;
    i830->intel.vtbl.assert_not_dirty = i830_assert_not_dirty;
 }
diff --git a/src/mesa/drivers/dri/i915tex/i915_context.h b/src/mesa/drivers/dri/i915tex/i915_context.h
index d2713e88f96..3a41d66c148 100644
--- a/src/mesa/drivers/dri/i915tex/i915_context.h
+++ b/src/mesa/drivers/dri/i915tex/i915_context.h
@@ -309,12 +309,6 @@ extern GLboolean i915CreateContext(const __GLcontextModes * mesaVis,
 
 
 /*======================================================================
- * i915_texprog.c
- */
-extern void i915ValidateTextureProgram(struct i915_context *i915);
-
-
-/*======================================================================
  * i915_debug.c
  */
 extern void i915_disassemble_program(const GLuint * program, GLuint sz);
diff --git a/src/mesa/drivers/dri/i915tex/i915_fragprog.c b/src/mesa/drivers/dri/i915tex/i915_fragprog.c
index a4b22a0c32c..95ec50490a2 100644
--- a/src/mesa/drivers/dri/i915tex/i915_fragprog.c
+++ b/src/mesa/drivers/dri/i915tex/i915_fragprog.c
@@ -320,7 +320,7 @@ upload_program(struct i915_fragment_program *p)
          i915_emit_arith(p,
                          A0_MUL,
                          tmp, A0_DEST_CHANNEL_X, 0,
-                         src0, i915_emit_const1f(p, 1.0 / (M_PI * 2)), 0);
+                         src0, i915_emit_const1f(p, 1.0 / (M_PI)), 0);
 
          i915_emit_arith(p, A0_MOD, tmp, A0_DEST_CHANNEL_X, 0, tmp, 0, 0);
 
@@ -329,7 +329,7 @@ upload_program(struct i915_fragment_program *p)
          i915_emit_arith(p,
                          A0_MUL,
                          tmp, A0_DEST_CHANNEL_X, 0,
-                         tmp, i915_emit_const1f(p, (M_PI * 2)), 0);
+                         tmp, i915_emit_const1f(p, (M_PI)), 0);
 
          /* 
           * t0.xy = MUL x.xx11, x.x1111  ; x^2, x, 1, 1
@@ -642,7 +642,7 @@ upload_program(struct i915_fragment_program *p)
          i915_emit_arith(p,
                          A0_MUL,
                          tmp, A0_DEST_CHANNEL_X, 0,
-                         src0, i915_emit_const1f(p, 1.0 / (M_PI * 2)), 0);
+                         src0, i915_emit_const1f(p, 1.0 / (M_PI)), 0);
 
          i915_emit_arith(p, A0_MOD, tmp, A0_DEST_CHANNEL_X, 0, tmp, 0, 0);
 
@@ -651,7 +651,7 @@ upload_program(struct i915_fragment_program *p)
          i915_emit_arith(p,
                          A0_MUL,
                          tmp, A0_DEST_CHANNEL_X, 0,
-                         tmp, i915_emit_const1f(p, (M_PI * 2)), 0);
+                         tmp, i915_emit_const1f(p, (M_PI)), 0);
 
          /* 
           * t0.xy = MUL x.xx11, x.x1111  ; x^2, x, 1, 1
diff --git a/src/mesa/drivers/dri/i915tex/i915_state.c b/src/mesa/drivers/dri/i915tex/i915_state.c
index e5d8d279936..1fede6a8d8e 100644
--- a/src/mesa/drivers/dri/i915tex/i915_state.c
+++ b/src/mesa/drivers/dri/i915tex/i915_state.c
@@ -904,42 +904,9 @@ i915_init_packets(struct i915_context *i915)
 
    {
       I915_STATECHANGE(i915, I915_UPLOAD_BUFFERS);
-      /* color buffer offset/stride */
-      i915->state.Buffer[I915_DESTREG_CBUFADDR0] = _3DSTATE_BUF_INFO_CMD;
-      /* XXX FBO: remove this?  Also get set in i915_set_draw_region() */
-      i915->state.Buffer[I915_DESTREG_CBUFADDR1] = (BUF_3D_ID_COLOR_BACK | BUF_3D_PITCH(screen->front.pitch) |  /* pitch in bytes */
-                                                    BUF_3D_USE_FENCE);
-
-      i915->state.Buffer[I915_DESTREG_DBUFADDR0] = _3DSTATE_BUF_INFO_CMD;
-      /* XXX FBO: remove this?  Also get set in i915_set_draw_region() */
-      i915->state.Buffer[I915_DESTREG_DBUFADDR1] = (BUF_3D_ID_DEPTH | BUF_3D_PITCH(screen->depth.pitch) |       /* pitch in bytes */
-                                                    BUF_3D_USE_FENCE);
 
       i915->state.Buffer[I915_DESTREG_DV0] = _3DSTATE_DST_BUF_VARS_CMD;
 
-      /* XXX FBO: remove this?  Also get set in i915_set_draw_region() */
-#if 0                           /* seems we don't need this */
-      switch (screen->fbFormat) {
-      case DV_PF_565:
-         i915->state.Buffer[I915_DESTREG_DV1] = (DSTORG_HORT_BIAS(0x8) |        /* .5 */
-                                                 DSTORG_VERT_BIAS(0x8) |        /* .5 */
-                                                 LOD_PRECLAMP_OGL |
-                                                 TEX_DEFAULT_COLOR_OGL |
-                                                 DITHER_FULL_ALWAYS |
-                                                 screen->fbFormat |
-                                                 DEPTH_FRMT_16_FIXED);
-         break;
-      case DV_PF_8888:
-         i915->state.Buffer[I915_DESTREG_DV1] = (DSTORG_HORT_BIAS(0x8) |        /* .5 */
-                                                 DSTORG_VERT_BIAS(0x8) |        /* .5 */
-                                                 LOD_PRECLAMP_OGL |
-                                                 TEX_DEFAULT_COLOR_OGL |
-                                                 screen->fbFormat |
-                                                 DEPTH_FRMT_24_FIXED_8_OTHER);
-         break;
-      }
-#endif
-
 
       /* scissor */
       i915->state.Buffer[I915_DESTREG_SENABLE] =
@@ -950,19 +917,6 @@ i915_init_packets(struct i915_context *i915)
    }
 
 
-#if 0
-   {
-      I915_STATECHANGE(i915, I915_UPLOAD_DEFAULTS);
-      i915->state.Default[I915_DEFREG_C0] = _3DSTATE_DEFAULT_DIFFUSE;
-      i915->state.Default[I915_DEFREG_C1] = 0;
-      i915->state.Default[I915_DEFREG_S0] = _3DSTATE_DEFAULT_SPECULAR;
-      i915->state.Default[I915_DEFREG_S1] = 0;
-      i915->state.Default[I915_DEFREG_Z0] = _3DSTATE_DEFAULT_Z;
-      i915->state.Default[I915_DEFREG_Z1] = 0;
-   }
-#endif
-
-
    /* These will be emitted every at the head of every buffer, unless
     * we get hardware contexts working.
     */
diff --git a/src/mesa/drivers/dri/i915tex/i915_vtbl.c b/src/mesa/drivers/dri/i915tex/i915_vtbl.c
index 0e7ca9586e8..cc74ceae180 100644
--- a/src/mesa/drivers/dri/i915tex/i915_vtbl.c
+++ b/src/mesa/drivers/dri/i915tex/i915_vtbl.c
@@ -44,13 +44,18 @@
 #include "i915_context.h"
 
 static void
-i915_render_start(struct intel_context *intel)
+i915_render_prevalidate(struct intel_context *intel)
 {
    struct i915_context *i915 = i915_context(&intel->ctx);
 
    i915ValidateFragmentProgram(i915);
 }
 
+static void
+i915_render_start(struct intel_context *intel)
+{
+}
+
 
 static void
 i915_reduced_primitive_state(struct intel_context *intel, GLenum rprim)
@@ -548,6 +553,7 @@ i915InitVtbl(struct i915_context *i915)
    i915->intel.vtbl.lost_hardware = i915_lost_hardware;
    i915->intel.vtbl.reduced_primitive_state = i915_reduced_primitive_state;
    i915->intel.vtbl.render_start = i915_render_start;
+   i915->intel.vtbl.render_prevalidate = i915_render_prevalidate;
    i915->intel.vtbl.set_draw_region = i915_set_draw_region;
    i915->intel.vtbl.update_texture_state = i915UpdateTextureState;
    i915->intel.vtbl.flush_cmd = i915_flush_cmd;
diff --git a/src/mesa/drivers/dri/i915tex/intel_blit.c b/src/mesa/drivers/dri/i915tex/intel_blit.c
index c755eac6b2c..28441f4b835 100644
--- a/src/mesa/drivers/dri/i915tex/intel_blit.c
+++ b/src/mesa/drivers/dri/i915tex/intel_blit.c
@@ -49,7 +49,7 @@
  * Used for SwapBuffers().
  */
 void
-intelCopyBuffer(const __DRIdrawablePrivate * dPriv,
+intelCopyBuffer(__DRIdrawablePrivate * dPriv,
                 const drm_clip_rect_t * rect)
 {
 
@@ -78,22 +78,23 @@ intelCopyBuffer(const __DRIdrawablePrivate * dPriv,
     * should work regardless.
     */
    LOCK_HARDWARE(intel);
+   /* if this drawable isn't currently bound the LOCK_HARDWARE done on the
+      current context (which is what intelScreenContext should return) might
+      not get a contended lock and thus cliprects not updated (tests/manywin) */
+      if ((struct intel_context *)dPriv->driContextPriv->driverPrivate != intel)
+         DRI_VALIDATE_DRAWABLE_INFO(intel->driScreen, dPriv);
 
-      if (intel->revalidateDrawable) {
-	 __DRIscreenPrivate *sPriv = intel->driScreen;
-	 if (dPriv) {
-	    DRI_VALIDATE_DRAWABLE_INFO(sPriv, dPriv);
-	 }
-      }
 
    if (dPriv && dPriv->numClipRects) {
       struct intel_framebuffer *intel_fb = dPriv->driverPrivate;
       const struct intel_region *frontRegion
 	 = intelScreen->front_region;
       const struct intel_region *backRegion
-	 = intel->ctx.DrawBuffer->_ColorDrawBufferMask[0] == BUFFER_BIT_FRONT_LEFT ?
+	 = intel_fb->Base._ColorDrawBufferMask[0] == BUFFER_BIT_FRONT_LEFT ?
 	   intel_get_rb_region(&intel_fb->Base, BUFFER_FRONT_LEFT) :
 	   intel_get_rb_region(&intel_fb->Base, BUFFER_BACK_LEFT);
+      const int backWidth = intel_fb->Base.Width;
+      const int backHeight = intel_fb->Base.Height;
       const int nbox = dPriv->numClipRects;
       const drm_clip_rect_t *pbox = dPriv->pClipRects;
       const int pitch = frontRegion->pitch;
@@ -106,7 +107,6 @@ intelCopyBuffer(const __DRIdrawablePrivate * dPriv,
       ASSERT(intel_fb->Base.Name == 0);    /* Not a user-created FBO */
       ASSERT(frontRegion);
       ASSERT(backRegion);
-//      ASSERT(frontRegion->pitch == backRegion->pitch);
       ASSERT(frontRegion->cpp == backRegion->cpp);
 
       DBG("front pitch %d back pitch %d\n",
@@ -134,32 +134,42 @@ intelCopyBuffer(const __DRIdrawablePrivate * dPriv,
 	 box = *pbox;
 
 	 if (rect) {
-	    if (rect->x1 > box.x1)
-	       box.x1 = rect->x1;
-	    if (rect->y1 > box.y1)
-	       box.y1 = rect->y1;
-	    if (rect->x2 < box.x2)
-	       box.x2 = rect->x2;
-	    if (rect->y2 < box.y2)
-	       box.y2 = rect->y2;
+	    drm_clip_rect_t rrect;
+
+	    rrect.x1 = dPriv->x + rect->x1;
+	    rrect.y1 = (dPriv->h - rect->y1 - rect->y2) + dPriv->y;
+	    rrect.x2 = rect->x2 + rrect.x1;
+	    rrect.y2 = rect->y2 + rrect.y1;
+	    if (rrect.x1 > box.x1)
+	       box.x1 = rrect.x1;
+	    if (rrect.y1 > box.y1)
+	       box.y1 = rrect.y1;
+	    if (rrect.x2 < box.x2)
+	       box.x2 = rrect.x2;
+	    if (rrect.y2 < box.y2)
+	       box.y2 = rrect.y2;
 
 	    if (box.x1 > box.x2 || box.y1 > box.y2)
 	       continue;
 	 }
 
+	 /* restrict blit to size of actually rendered area */
+	 if (box.x2 - box.x1 > backWidth)
+	    box.x2 = backWidth + box.x1;
+	 if (box.y2 - box.y1 > backHeight)
+	    box.y2 = backHeight + box.y1;
+
 	 DBG("box x1 x2 y1 y2 %d %d %d %d\n",
 	      box.x1, box.x2, box.y1, box.y2);
 
-	 /* XXX should make sure only the minimum area based on
-	    old draw buffer and new front clip rects is copied */
 	 sbox.x1 = box.x1 - dPriv->x;
 	 sbox.y1 = box.y1 - dPriv->y;
 
 	 BEGIN_BATCH(8, INTEL_BATCH_NO_CLIPRECTS);
 	 OUT_BATCH(CMD);
 	 OUT_BATCH(BR13);
-	 OUT_BATCH((pbox->y1 << 16) | pbox->x1);
-	 OUT_BATCH((pbox->y2 << 16) | pbox->x2);
+	 OUT_BATCH((box.y1 << 16) | box.x1);
+	 OUT_BATCH((box.y2 << 16) | box.x2);
 
 	 OUT_RELOC(frontRegion->buffer, DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_WRITE,
 		   DRM_BO_MASK_MEM | DRM_BO_FLAG_WRITE, 0);
@@ -179,9 +189,14 @@ intelCopyBuffer(const __DRIdrawablePrivate * dPriv,
 
    UNLOCK_HARDWARE(intel);
 
-   if (intel->revalidateDrawable) {
-      intel->revalidateDrawable = GL_FALSE;
-      intelWindowMoved(intel);
+   /* XXX this is bogus. The context here may not even be bound to this drawable! */
+   if (intel->lastStamp != dPriv->lastStamp) {
+      GET_CURRENT_CONTEXT(currctx);
+      struct intel_context *intelcurrent = intel_context(currctx);
+      if (intelcurrent == intel && intelcurrent->driDrawable == dPriv) {
+         intelWindowMoved(intel);
+         intel->lastStamp = dPriv->lastStamp;
+      }
    }
 
 }
@@ -394,8 +409,7 @@ intelClearWithBlit(GLcontext * ctx, GLbitfield mask)
 
    if (intel->numClipRects) {
       GLint cx, cy, cw, ch;
-      drm_clip_rect_t clear;
-      int i;
+      drm_clip_rect_t b;
 
       /* Get clear bounds after locking */
       cx = fb->_Xmin;
@@ -405,38 +419,26 @@ intelClearWithBlit(GLcontext * ctx, GLbitfield mask)
 
       if (fb->Name == 0) {
          /* clearing a window */
-
          /* flip top to bottom */
-         clear.x1 = cx + intel->drawX;
-         clear.y1 = intel->driDrawable->y + intel->driDrawable->h - cy - ch;
-         clear.x2 = clear.x1 + cw;
-         clear.y2 = clear.y1 + ch;
+         b.x1 = cx;
+         b.y1 = fb->Height - cy - ch;
+         b.x2 = b.x1 + cw;
+         b.y2 = b.y1 + ch;
       }
       else {
          /* clearing FBO */
-         assert(intel->numClipRects == 1);
-         assert(intel->pClipRects == &intel->fboRect);
-         clear.x1 = cx;
-         clear.y1 = cy;
-         clear.x2 = clear.x1 + cw;
-         clear.y2 = clear.y1 + ch;
+         b.x1 = cx;
+         b.y1 = cy;
+         b.x2 = b.x1 + cw;
+         b.y2 = b.y1 + ch;
          /* no change to mask */
       }
 
-      for (i = 0; i < intel->numClipRects; i++) {
-         const drm_clip_rect_t *box = &intel->pClipRects[i];
-         drm_clip_rect_t b;
+      {
          GLuint buf;
          GLuint clearMask = mask;      /* use copy, since we modify it below */
          GLboolean all = (cw == fb->Width && ch == fb->Height);
 
-         if (!all) {
-            intel_intersect_cliprects(&b, &clear, box);
-         }
-         else {
-            b = *box;
-         }
-
          DBG("clear %d,%d..%d,%d, mask %x\n",
                       b.x1, b.y1, b.x2, b.y2, mask);
 
diff --git a/src/mesa/drivers/dri/i915tex/intel_blit.h b/src/mesa/drivers/dri/i915tex/intel_blit.h
index e7bc280f58a..77686444fa0 100644
--- a/src/mesa/drivers/dri/i915tex/intel_blit.h
+++ b/src/mesa/drivers/dri/i915tex/intel_blit.h
@@ -32,7 +32,7 @@
 #include "intel_ioctl.h"
 #include "dri_bufmgr.h"
 
-extern void intelCopyBuffer(const __DRIdrawablePrivate * dpriv,
+extern void intelCopyBuffer(__DRIdrawablePrivate * dpriv,
                             const drm_clip_rect_t * rect);
 
 extern void intelClearWithBlit(GLcontext * ctx, GLbitfield mask);
diff --git a/src/mesa/drivers/dri/i915tex/intel_buffers.c b/src/mesa/drivers/dri/i915tex/intel_buffers.c
index 17b4feadf85..72c7b5ae454 100644
--- a/src/mesa/drivers/dri/i915tex/intel_buffers.c
+++ b/src/mesa/drivers/dri/i915tex/intel_buffers.c
@@ -125,15 +125,14 @@ intel_readbuf_region(struct intel_context *intel)
 
 
 /**
- * Update the following fields for rendering to a user-created FBO:
+ * Update the following fields for rendering:
  *   intel->numClipRects
  *   intel->pClipRects
- *   intel->drawX
- *   intel->drawY
  */
 static void
 intelSetRenderbufferClipRects(struct intel_context *intel)
 {
+   /* zero-sized buffers might be legal? */
    assert(intel->ctx.DrawBuffer->Width > 0);
    assert(intel->ctx.DrawBuffer->Height > 0);
    intel->fboRect.x1 = 0;
@@ -142,33 +141,8 @@ intelSetRenderbufferClipRects(struct intel_context *intel)
    intel->fboRect.y2 = intel->ctx.DrawBuffer->Height;
    intel->numClipRects = 1;
    intel->pClipRects = &intel->fboRect;
-   intel->drawX = 0;
-   intel->drawY = 0;
 }
 
-/**
- * As above, but for rendering private front/back buffer of a window.
- * \sa intelSetPrivbufClipRects
- */
-
-static void
-intelSetPrivbufClipRects(struct intel_context *intel)
-{
-   __DRIdrawablePrivate *dPriv = intel->driDrawable;
-   if (!dPriv)
-      return;
-
-   intel->fakeClipRect.x1 = 0;
-   intel->fakeClipRect.y1 = 0;
-   intel->fakeClipRect.x2 = dPriv->w;
-   intel->fakeClipRect.y2 = dPriv->h;
-   intel->numClipRects = 1;
-   intel->pClipRects = &intel->fakeClipRect;
-   intel->drawX = 0;
-   intel->drawY = 0;
-}
-
-
 
 /**
  * This will be called whenever the currently bound window is moved/resized.
@@ -183,11 +157,15 @@ intelWindowMoved(struct intel_context *intel)
 
    if (!intel->ctx.DrawBuffer) {
       /* when would this happen? -BP */
+      assert(0);
       intel->numClipRects = 0;
    }
 
+   /* Update Mesa's notion of window size */
+   driUpdateFramebufferSize(ctx, dPriv);
+   intel_fb->Base.Initialized = GL_TRUE; /* XXX remove someday */
 
-   if (intel->intelScreen->driScrnPriv->ddxMinor >= 7) {
+   {
       drmI830Sarea *sarea = intel->sarea;
       drm_clip_rect_t drw_rect = { .x1 = dPriv->x, .x2 = dPriv->x + dPriv->w,
 				   .y1 = dPriv->y, .y2 = dPriv->y + dPriv->h };
@@ -216,7 +194,7 @@ intelWindowMoved(struct intel_context *intel)
       intel_fb->pf_current_page = (intel->sarea->pf_current_page >>
 				   (intel_fb->pf_pipes & 0x2)) & 0x3;
 
-      intel_fb->pf_num_pages = intel->intelScreen->third.handle ? 3 : 2;
+      intel_fb->pf_num_pages = 2 /*intel->intelScreen->third.handle ? 3 : 2*/;
 
       pf_active = pf_pipes && (pf_pipes & intel->sarea->pf_active) == pf_pipes;
 
@@ -302,14 +280,8 @@ intelWindowMoved(struct intel_context *intel)
 	       intel_fb->color_rb[i]->vbl_pending = intel_fb->vbl_waited;
 	 }
       }
-   } else {
-      intel_fb->vblank_flags &= ~VBLANK_FLAG_SECONDARY;
    }
 
-   /* Update Mesa's notion of window size */
-   driUpdateFramebufferSize(ctx, dPriv);
-   intel_fb->Base.Initialized = GL_TRUE; /* XXX remove someday */
-
    /* Update hardware scissor */
    ctx->Driver.Scissor(ctx, ctx->Scissor.X, ctx->Scissor.Y,
                        ctx->Scissor.Width, ctx->Scissor.Height);
@@ -335,7 +307,6 @@ intelClearWithTris(struct intel_context *intel, GLbitfield mask)
 
    LOCK_HARDWARE(intel);
 
-   /* XXX FBO: was: intel->driDrawable->numClipRects */
    if (intel->numClipRects) {
       GLint cx, cy, cw, ch;
       GLuint buf;
@@ -388,7 +359,8 @@ intelClearWithTris(struct intel_context *intel, GLbitfield mask)
          /* XXX: Using INTEL_BATCH_NO_CLIPRECTS here is dangerous as the
           * drawing origin may not be correctly emitted.
           */
-         intel_meta_draw_quad(intel, clear.x1, clear.x2, clear.y1, clear.y2, intel->ctx.Depth.Clear, clearColor, 0, 0, 0, 0);   /* texcoords */
+         intel_meta_draw_quad(intel, clear.x1, clear.x2, clear.y1, clear.y2,
+                              intel->ctx.Depth.Clear, clearColor, 0, 0, 0, 0);   /* texcoords */
 
          mask &=
             ~(BUFFER_BIT_BACK_LEFT | BUFFER_BIT_STENCIL | BUFFER_BIT_DEPTH);
@@ -427,156 +399,6 @@ intelClearWithTris(struct intel_context *intel, GLbitfield mask)
 }
 
 
-
-
-/**
- * Copy the window contents named by dPriv to the rotated (or reflected)
- * color buffer.
- * srcBuf is BUFFER_BIT_FRONT_LEFT or BUFFER_BIT_BACK_LEFT to indicate the source.
- */
-void
-intelRotateWindow(struct intel_context *intel,
-                  __DRIdrawablePrivate * dPriv, GLuint srcBuf)
-{
-
-   intelScreenPrivate *screen = intel->intelScreen;
-   drm_clip_rect_t fullRect;
-   struct intel_framebuffer *intel_fb;
-   struct intel_region *src;
-   const drm_clip_rect_t *clipRects;
-   int numClipRects;
-   int i;
-   GLenum format, type;
-
-   int xOrig, yOrig;
-   int origNumClipRects;
-   drm_clip_rect_t *origRects;
-
-   /*
-    * set up hardware state
-    */
-   intelFlush(&intel->ctx);
-
-   LOCK_HARDWARE(intel);
-
-   if (!intel->numClipRects) {
-      UNLOCK_HARDWARE(intel);
-      return;
-   }
-
-   intel->vtbl.install_meta_state(intel);
-
-   intel->vtbl.meta_no_depth_write(intel);
-   intel->vtbl.meta_no_stencil_write(intel);
-   intel->vtbl.meta_color_mask(intel, GL_FALSE);
-
-
-   /* save current drawing origin and cliprects (restored at end) */
-   xOrig = intel->drawX;
-   yOrig = intel->drawY;
-   origNumClipRects = intel->numClipRects;
-   origRects = intel->pClipRects;
-
-   /*
-    * set drawing origin, cliprects for full-screen access to rotated screen
-    */
-   fullRect.x1 = 0;
-   fullRect.y1 = 0;
-   fullRect.x2 = screen->rotatedWidth;
-   fullRect.y2 = screen->rotatedHeight;
-   intel->drawX = 0;
-   intel->drawY = 0;
-   intel->numClipRects = 1;
-   intel->pClipRects = &fullRect;
-
-   intel->vtbl.meta_draw_region(intel, screen->rotated_region, NULL);    /* ? */
-
-   intel_fb = dPriv->driverPrivate;
-
-   if ((srcBuf == BUFFER_BIT_BACK_LEFT && !intel_fb->pf_active)) {
-      src = intel_get_rb_region(&intel_fb->Base, BUFFER_BACK_LEFT);
-      clipRects = dPriv->pBackClipRects;
-      numClipRects = dPriv->numBackClipRects;
-   }
-   else {
-      src = intel_get_rb_region(&intel_fb->Base, BUFFER_FRONT_LEFT);
-      clipRects = dPriv->pClipRects;
-      numClipRects = dPriv->numClipRects;
-   }
-
-   if (src->cpp == 4) {
-      format = GL_BGRA;
-      type = GL_UNSIGNED_BYTE;
-   }
-   else {
-      format = GL_BGR;
-      type = GL_UNSIGNED_SHORT_5_6_5_REV;
-   }
-
-   /* set the whole screen up as a texture to avoid alignment issues */
-   intel->vtbl.meta_tex_rect_source(intel,
-                                    src->buffer,
-                                    screen->width,
-                                    screen->height, src->pitch, format, type);
-
-   intel->vtbl.meta_texture_blend_replace(intel);
-
-   /*
-    * loop over the source window's cliprects
-    */
-   for (i = 0; i < numClipRects; i++) {
-      int srcX0 = clipRects[i].x1;
-      int srcY0 = clipRects[i].y1;
-      int srcX1 = clipRects[i].x2;
-      int srcY1 = clipRects[i].y2;
-      GLfloat verts[4][2], tex[4][2];
-      int j;
-
-      /* build vertices for four corners of clip rect */
-      verts[0][0] = srcX0;
-      verts[0][1] = srcY0;
-      verts[1][0] = srcX1;
-      verts[1][1] = srcY0;
-      verts[2][0] = srcX1;
-      verts[2][1] = srcY1;
-      verts[3][0] = srcX0;
-      verts[3][1] = srcY1;
-
-      /* .. and texcoords */
-      tex[0][0] = srcX0;
-      tex[0][1] = srcY0;
-      tex[1][0] = srcX1;
-      tex[1][1] = srcY0;
-      tex[2][0] = srcX1;
-      tex[2][1] = srcY1;
-      tex[3][0] = srcX0;
-      tex[3][1] = srcY1;
-
-      /* transform coords to rotated screen coords */
-
-      for (j = 0; j < 4; j++) {
-         matrix23TransformCoordf(&screen->rotMatrix,
-                                 &verts[j][0], &verts[j][1]);
-      }
-
-      /* draw polygon to map source image to dest region */
-      intel_meta_draw_poly(intel, 4, verts, 0, 0, tex);
-
-   }                            /* cliprect loop */
-
-   intel->vtbl.leave_meta_state(intel);
-   intel_batchbuffer_flush(intel->batch);
-
-   /* restore original drawing origin and cliprects */
-   intel->drawX = xOrig;
-   intel->drawY = yOrig;
-   intel->numClipRects = origNumClipRects;
-   intel->pClipRects = origRects;
-
-   UNLOCK_HARDWARE(intel);
-}
-
-
 /**
  * Called by ctx->Driver.Clear.
  */
@@ -687,7 +509,7 @@ intel_wait_flips(struct intel_context *intel, GLuint batch_flags)
    }
 }
 
-
+#if 0
 /* Flip the front & back buffers
  */
 static GLboolean
@@ -744,37 +566,13 @@ intelPageFlip(const __DRIdrawablePrivate * dPriv)
    intel_flip_renderbuffers(intel_fb);
    intel_draw_buffer(&intel->ctx, &intel_fb->Base);
 
+   if (INTEL_DEBUG & DEBUG_IOCTL)
+      fprintf(stderr, "%s: success\n", __FUNCTION__);
+
    return GL_TRUE;
 }
+#endif
 
-#if 0
-void
-intelSwapBuffers(__DRIdrawablePrivate * dPriv)
-{
-   if (dPriv->driverPrivate) {
-      const struct gl_framebuffer *fb
-         = (struct gl_framebuffer *) dPriv->driverPrivate;
-      if (fb->Visual.doubleBufferMode) {
-         GET_CURRENT_CONTEXT(ctx);
-         if (ctx && ctx->DrawBuffer == fb) {
-            _mesa_notifySwapBuffers(ctx);       /* flush pending rendering */
-         }
-         if (intel->doPageFlip) {
-            intelPageFlip(dPriv);
-         }
-         else {
-            intelCopyBuffer(dPriv);
-         }
-      }
-   }
-   else {
-      _mesa_problem(NULL,
-                    "dPriv has no gl_framebuffer pointer in intelSwapBuffers");
-   }
-}
-#else
-/* Trunk version:
- */
 
 static GLboolean
 intelScheduleSwap(const __DRIdrawablePrivate * dPriv, GLboolean *missed_target)
@@ -790,7 +588,6 @@ intelScheduleSwap(const __DRIdrawablePrivate * dPriv, GLboolean *missed_target)
 
    if (!intel_fb->vblank_flags ||
        (intel_fb->vblank_flags & VBLANK_FLAG_NO_IRQ) ||
-       intelScreen->current_rotation != 0 ||
        intelScreen->drmMinor < (intel_fb->pf_active ? 9 : 6))
       return GL_FALSE;
 
@@ -852,7 +649,7 @@ intelScheduleSwap(const __DRIdrawablePrivate * dPriv, GLboolean *missed_target)
 
    return ret;
 }
-  
+
 void
 intelSwapBuffers(__DRIdrawablePrivate * dPriv)
 {
@@ -866,25 +663,17 @@ intelSwapBuffers(__DRIdrawablePrivate * dPriv)
       intel = intel_context(ctx);
 
       if (ctx->Visual.doubleBufferMode) {
-         intelScreenPrivate *screen = intel->intelScreen;
 	 GLboolean missed_target;
 	 struct intel_framebuffer *intel_fb = dPriv->driverPrivate;
 	 int64_t ust;
 
 	 _mesa_notifySwapBuffers(ctx);  /* flush pending rendering comands */
 
-         if (screen->current_rotation != 0 ||
-	     !intelScheduleSwap(dPriv, &missed_target)) {
+         if (!intelScheduleSwap(dPriv, &missed_target)) {
 	    driWaitForVBlank(dPriv, &intel_fb->vbl_seq, intel_fb->vblank_flags,
 			     &missed_target);
 
-	    if (screen->current_rotation != 0 || !intelPageFlip(dPriv)) {
-	       intelCopyBuffer(dPriv, NULL);
-	    }
-
-	    if (screen->current_rotation != 0) {
-	       intelRotateWindow(intel, dPriv, BUFFER_BIT_FRONT_LEFT);
-	    }
+            intelCopyBuffer(dPriv, NULL);
 	 }
 
 	 intel_fb->swap_count++;
@@ -902,7 +691,6 @@ intelSwapBuffers(__DRIdrawablePrivate * dPriv)
       fprintf(stderr, "%s: drawable has no context!\n", __FUNCTION__);
    }
 }
-#endif
 
 void
 intelCopySubBuffer(__DRIdrawablePrivate * dPriv, int x, int y, int w, int h)
@@ -914,17 +702,11 @@ intelCopySubBuffer(__DRIdrawablePrivate * dPriv, int x, int y, int w, int h)
 
       if (ctx->Visual.doubleBufferMode) {
          drm_clip_rect_t rect;
-#if 1
-         rect.x1 = x + dPriv->x;
-         rect.y1 = (dPriv->h - y - h) + dPriv->y;
-         rect.x2 = rect.x1 + w;
-         rect.y2 = rect.y1 + h;
-#else
+	 /* fixup cliprect (driDrawable may have changed?) later */
          rect.x1 = x;
-         rect.y1 = dPriv->h - y;
-         rect.x2 = rect.x1 + w;
-         rect.y2 = rect.y1 + h;
-#endif
+         rect.y1 = y;
+         rect.x2 = w;
+         rect.y2 = h;
          _mesa_notifySwapBuffers(ctx);  /* flush pending rendering comands */
          intelCopyBuffer(dPriv, &rect);
       }
@@ -952,7 +734,6 @@ intel_draw_buffer(GLcontext * ctx, struct gl_framebuffer *fb)
    struct intel_context *intel = intel_context(ctx);
    struct intel_region *colorRegion, *depthRegion = NULL;
    struct intel_renderbuffer *irbDepth = NULL, *irbStencil = NULL;
-   int front = 0;               /* drawing to front color buffer? */
 
    if (!fb) {
       /* this can happen during the initial context initialization */
@@ -987,33 +768,18 @@ intel_draw_buffer(GLcontext * ctx, struct gl_framebuffer *fb)
       /* writing to 0 or 2 or 4 color buffers */
       /*_mesa_debug(ctx, "Software rendering\n");*/
       FALLBACK(intel, INTEL_FALLBACK_DRAW_BUFFER, GL_TRUE);
-      front = 1;                /* might not have back color buffer */
    }
    else {
       /* draw to exactly one color buffer */
       /*_mesa_debug(ctx, "Hardware rendering\n");*/
       FALLBACK(intel, INTEL_FALLBACK_DRAW_BUFFER, GL_FALSE);
-      if (fb->_ColorDrawBufferMask[0] == BUFFER_BIT_FRONT_LEFT) {
-         front = 1;
-      }
    }
 
    /*
     * Get the intel_renderbuffer for the colorbuffer we're drawing into.
     * And set up cliprects.
     */
-   if (fb->Name == 0) {
-      intelSetPrivbufClipRects(intel);
-      /* drawing to window system buffer */
-      if (front) {
-         colorRegion = intel_get_rb_region(fb, BUFFER_FRONT_LEFT);
-      }
-      else {
-         colorRegion = intel_get_rb_region(fb, BUFFER_BACK_LEFT);
-      }
-   }
-   else {
-      /* drawing to user-created FBO */
+   {
       struct intel_renderbuffer *irb;
       intelSetRenderbufferClipRects(intel);
       irb = intel_renderbuffer(fb->_ColorDrawBuffers[0][0]);
@@ -1086,16 +852,6 @@ intel_draw_buffer(GLcontext * ctx, struct gl_framebuffer *fb)
    /**
     ** Release old regions, reference new regions
     **/
-#if 0                           /* XXX FBO: this seems to be redundant with i915_state_draw_region() */
-   if (intel->draw_region != colorRegion) {
-      intel_region_release(&intel->draw_region);
-      intel_region_reference(&intel->draw_region, colorRegion);
-   }
-   if (intel->intelScreen->depth_region != depthRegion) {
-      intel_region_release(&intel->intelScreen->depth_region);
-      intel_region_reference(&intel->intelScreen->depth_region, depthRegion);
-   }
-#endif
 
    intel->vtbl.set_draw_region(intel, colorRegion, depthRegion);
 
diff --git a/src/mesa/drivers/dri/i915tex/intel_buffers.h b/src/mesa/drivers/dri/i915tex/intel_buffers.h
index 3b686cb5c18..13d1a15ffbf 100644
--- a/src/mesa/drivers/dri/i915tex/intel_buffers.h
+++ b/src/mesa/drivers/dri/i915tex/intel_buffers.h
@@ -52,8 +52,4 @@ extern void intel_draw_buffer(GLcontext * ctx, struct gl_framebuffer *fb);
 
 extern void intelInitBufferFuncs(struct dd_function_table *functions);
 
-extern void
-intelRotateWindow(struct intel_context *intel,
-                  __DRIdrawablePrivate * dPriv, GLuint srcBuf);
-
 #endif /* INTEL_BUFFERS_H */
diff --git a/src/mesa/drivers/dri/i915tex/intel_context.c b/src/mesa/drivers/dri/i915tex/intel_context.c
index 61842da29d9..5ab919ecb60 100644
--- a/src/mesa/drivers/dri/i915tex/intel_context.c
+++ b/src/mesa/drivers/dri/i915tex/intel_context.c
@@ -196,6 +196,7 @@ const struct dri_extension card_extensions[] = {
 #if 1                           /* XXX FBO temporary? */
    {"GL_EXT_packed_depth_stencil", NULL},
 #endif
+   {"GL_EXT_pixel_buffer_object", NULL},
    {"GL_EXT_secondary_color", GL_EXT_secondary_color_functions},
    {"GL_EXT_stencil_wrap", NULL},
    {"GL_EXT_texture_edge_clamp", NULL},
@@ -295,16 +296,14 @@ static void
 intelCheckFrontUpdate(GLcontext * ctx)
 {
    struct intel_context *intel = intel_context(ctx);
+   /* rely on _ColorDrawBufferMask being kept up to date by mesa
+      even for window-fbos. */
+   /* not sure. Might need that for all masks including
+      BUFFER_BIT_FRONT_LEFT maybe? */
    if (intel->ctx.DrawBuffer->_ColorDrawBufferMask[0] ==
        BUFFER_BIT_FRONT_LEFT) {
-      intelScreenPrivate *screen = intel->intelScreen;
       __DRIdrawablePrivate *dPriv = intel->driDrawable;
-      if (screen->current_rotation != 0) {
-         intelRotateWindow(intel, dPriv, BUFFER_BIT_FRONT_LEFT);
-      }
-      else {
-         intelCopyBuffer(dPriv, NULL);
-      }
+      intelCopyBuffer(dPriv, NULL);
    }
 }
 
@@ -377,7 +376,7 @@ intelInitContext(struct intel_context *intel,
 
    if (!havePools)
       return GL_FALSE;
-     
+
    if (!_mesa_initialize_context(&intel->ctx,
                                  mesaVis, shareCtx,
                                  functions, (void *) intel))
@@ -388,10 +387,6 @@ intelInitContext(struct intel_context *intel,
    intel->driScreen = sPriv;
    intel->sarea = saPriv;
 
-   intel->width = intelScreen->width;
-   intel->height = intelScreen->height;
-   intel->current_rotation = intelScreen->current_rotation;
-
    if (!lockMutexInit) {
       lockMutexInit = GL_TRUE;
       _glthread_INIT_MUTEX(lockMutex);
@@ -576,6 +571,11 @@ intelDestroyContext(__DRIcontextPrivate * driContextPriv)
 GLboolean
 intelUnbindContext(__DRIcontextPrivate * driContextPriv)
 {
+   struct intel_context *intel = (struct intel_context *) driContextPriv->driverPrivate;
+   /* XXX UnbindContext is called AFTER the new context is made current.
+      Hopefully shouldn't be a problem ? */
+   FLUSH_VERTICES((&intel->ctx), 0);
+   intelFlush(&intel->ctx);
    return GL_TRUE;
 }
 
@@ -603,43 +603,14 @@ intelMakeCurrent(__DRIcontextPrivate * driContextPriv,
          is done. Need a per-screen context? */
       intel->intelScreen->dummyctxptr = intel;
 
-      /* XXX FBO temporary fix-ups! */
-      /* if the renderbuffers don't have regions, init them from the context */
-      {
-         struct intel_renderbuffer *irbDepth
-            = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH);
-         struct intel_renderbuffer *irbStencil
-            = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL);
-
-         if (intel_fb->color_rb[0] && !intel_fb->color_rb[0]->region) {
-            intel_region_reference(&intel_fb->color_rb[0]->region,
-				   intel->intelScreen->front_region);
-         }
-         if (intel_fb->color_rb[1] && !intel_fb->color_rb[1]->region) {
-            intel_region_reference(&intel_fb->color_rb[1]->region,
-				   intel->intelScreen->back_region);
-         }
-         if (intel_fb->color_rb[2] && !intel_fb->color_rb[2]->region) {
-            intel_region_reference(&intel_fb->color_rb[2]->region,
-				   intel->intelScreen->third_region);
-         }
-         if (irbDepth && !irbDepth->region) {
-            intel_region_reference(&irbDepth->region, intel->intelScreen->depth_region);
-         }
-         if (irbStencil && !irbStencil->region) {
-            intel_region_reference(&irbStencil->region, intel->intelScreen->depth_region);
-         }
-      }
-
-      /* set GLframebuffer size to match window, if needed */
+      /* update GLframebuffer size to match window if needed */
       driUpdateFramebufferSize(&intel->ctx, driDrawPriv);
 
       if (driReadPriv != driDrawPriv) {
-	 driUpdateFramebufferSize(&intel->ctx, driReadPriv);
+         driUpdateFramebufferSize(&intel->ctx, driReadPriv);
       }
 
       _mesa_make_current(&intel->ctx, &intel_fb->Base, readFb);
-      intel->intelScreen->dummyctxptr = &intel->ctx;
 
       /* The drawbuffer won't always be updated by _mesa_make_current: 
        */
@@ -658,17 +629,21 @@ intelMakeCurrent(__DRIcontextPrivate * driContextPriv,
 				     &intel_fb->vbl_seq);
 	       intel_fb->vbl_waited = intel_fb->vbl_seq;
 
-	       for (i = 0; i < (intel->intelScreen->third.handle ? 3 : 2); i++) {
+	       for (i = 0; i < 2; i++) {
 		  if (intel_fb->color_rb[i])
 		     intel_fb->color_rb[i]->vbl_pending = intel_fb->vbl_seq;
 	       }
 	    }
-	    intel->driDrawable = driDrawPriv;
-	    intelWindowMoved(intel);
 	 }
+      }
 
-	 intel_draw_buffer(&intel->ctx, &intel_fb->Base);
+      if ((intel->driDrawable != driDrawPriv) ||
+	  (intel->lastStamp != driDrawPriv->lastStamp)) {
+	    intel->driDrawable = driDrawPriv;
+	    intelWindowMoved(intel);
+	    intel->lastStamp = driDrawPriv->lastStamp;
       }
+
    }
    else {
       _mesa_make_current(NULL, NULL, NULL);
@@ -696,12 +671,10 @@ intelContendedLock(struct intel_context *intel, GLuint flags)
     * checking must be done *after* this call:
     */
    if (dPriv)
-      intel->revalidateDrawable = GL_TRUE;
-//      DRI_VALIDATE_DRAWABLE_INFO(sPriv, dPriv);
+      DRI_VALIDATE_DRAWABLE_INFO(sPriv, dPriv);
 
    if (sarea->width != intelScreen->width ||
-       sarea->height != intelScreen->height ||
-       sarea->rotation != intelScreen->current_rotation) {
+       sarea->height != intelScreen->height) {
 
       intelUpdateScreenRotation(sPriv, sarea);
    }
@@ -743,8 +716,7 @@ intelContendedLock(struct intel_context *intel, GLuint flags)
 }
 
 
-
-/* Lock the hardware and validate our state.  
+/* Lock the hardware and validate our state.
  */
 void LOCK_HARDWARE( struct intel_context *intel )
 {
diff --git a/src/mesa/drivers/dri/i915tex/intel_context.h b/src/mesa/drivers/dri/i915tex/intel_context.h
index 7b97c564a3e..ee5be455333 100644
--- a/src/mesa/drivers/dri/i915tex/intel_context.h
+++ b/src/mesa/drivers/dri/i915tex/intel_context.h
@@ -131,6 +131,7 @@ struct intel_context
       void (*update_texture_state) (struct intel_context * intel);
 
       void (*render_start) (struct intel_context * intel);
+      void (*render_prevalidate) (struct intel_context * intel);
       void (*set_draw_region) (struct intel_context * intel,
                                struct intel_region * draw_region,
                                struct intel_region * depth_region);
@@ -234,13 +235,6 @@ struct intel_context
    GLuint vertex_size;
    GLubyte *verts;              /* points to tnl->clipspace.vertex_buf */
 
-#if 0
-   struct intel_region *front_region;   /* XXX FBO: obsolete */
-   struct intel_region *rotated_region; /* XXX FBO: obsolete */
-   struct intel_region *back_region;    /* XXX FBO: obsolete */
-   struct intel_region *draw_region;    /* XXX FBO: rename to color_region */
-   struct intel_region *depth_region;   /**< currently bound depth/Z region */
-#endif
 
    /* Fallback rasterization functions 
     */
@@ -250,13 +244,9 @@ struct intel_context
 
    /* These refer to the current drawing buffer:
     */
-   int drawX, drawY;            /**< origin of drawing area within region */
    GLuint numClipRects;         /**< cliprects for drawing */
    drm_clip_rect_t *pClipRects;
-   drm_clip_rect_t fboRect;     /**< cliprect for FBO rendering */
-   drm_clip_rect_t fakeClipRect;     /**< cliprect for priv back/fake front buffers rendering */
-
-   int perf_boxes;
+   drm_clip_rect_t fboRect;     /**< cliprect for rendering */
 
    GLuint do_usleeps;
    int do_irqs;
@@ -273,20 +263,11 @@ struct intel_context
    drmI830Sarea *sarea;
 
    GLuint lastStamp;
-   GLuint revalidateDrawable;
 
    /**
     * Configuration cache
     */
    driOptionCache optionCache;
-
-  /* Rotation. Need to match that of the
-   * current screen.
-   */
-
-  int width;
-  int height;
-  int current_rotation;
 };
 
 /* These are functions now:
@@ -355,7 +336,7 @@ __memcpy(void *to, const void *from, size_t n)
 /* ================================================================
  * Debugging:
  */
-#define DO_DEBUG		1
+#define DO_DEBUG		0
 #if DO_DEBUG
 extern int INTEL_DEBUG;
 #else
diff --git a/src/mesa/drivers/dri/i915tex/intel_fbo.c b/src/mesa/drivers/dri/i915tex/intel_fbo.c
index 5a93eb7ad19..559788f20a9 100644
--- a/src/mesa/drivers/dri/i915tex/intel_fbo.c
+++ b/src/mesa/drivers/dri/i915tex/intel_fbo.c
@@ -146,6 +146,8 @@ intel_delete_renderbuffer(struct gl_renderbuffer *rb)
 
    ASSERT(irb);
 
+   DBG("freeing renderbuffer\n");
+
    if (irb->PairedStencil || irb->PairedDepth) {
       intel_unpair_depth_stencil(ctx, irb);
    }
@@ -303,24 +305,6 @@ intel_alloc_renderbuffer_storage(GLcontext * ctx, struct gl_renderbuffer *rb,
 }
 
 
-
-/**
- * Called for each hardware renderbuffer when a _window_ is resized.
- * Just update fields.
- * Not used for user-created renderbuffers!
- */
-static GLboolean
-intel_alloc_window_storage(GLcontext * ctx, struct gl_renderbuffer *rb,
-                           GLenum internalFormat, GLuint width, GLuint height)
-{
-   ASSERT(rb->Name == 0);
-   rb->Width = width;
-   rb->Height = height;
-   rb->_ActualFormat = internalFormat;
-
-   return GL_TRUE;
-}
-
 static void
 intel_resize_buffers(GLcontext *ctx, struct gl_framebuffer *fb,
 		     GLuint width, GLuint height)
@@ -357,127 +341,38 @@ intel_nop_alloc_storage(GLcontext * ctx, struct gl_renderbuffer *rb,
 
 
 
-/**
- * Create a new intel_renderbuffer which corresponds to an on-screen window,
- * not a user-created renderbuffer.
- * \param width  the screen width
- * \param height  the screen height
- */
 struct intel_renderbuffer *
-intel_create_renderbuffer(GLenum intFormat, GLsizei width, GLsizei height,
-                          int offset, int pitch, int cpp, void *map)
+intel_new_renderbuffer_fb(GLuint intFormat)
 {
-   GET_CURRENT_CONTEXT(ctx);
-
    struct intel_renderbuffer *irb;
-   const GLuint name = 0;
 
    irb = CALLOC_STRUCT(intel_renderbuffer);
    if (!irb) {
-      _mesa_error(ctx, GL_OUT_OF_MEMORY, "creating renderbuffer");
+      _mesa_error(NULL, GL_OUT_OF_MEMORY, "creating renderbuffer");
       return NULL;
    }
 
-   _mesa_init_renderbuffer(&irb->Base, name);
+   _mesa_init_renderbuffer(&irb->Base, 0);
    irb->Base.ClassID = INTEL_RB_CLASS;
+   irb->Base.InternalFormat = intFormat;
 
    switch (intFormat) {
    case GL_RGB5:
-      irb->Base._ActualFormat = GL_RGB5;
-      irb->Base._BaseFormat = GL_RGBA;
-      irb->Base.RedBits = 5;
-      irb->Base.GreenBits = 6;
-      irb->Base.BlueBits = 5;
-      irb->Base.DataType = GL_UNSIGNED_BYTE;
-      cpp = 2;
-      break;
    case GL_RGBA8:
-      irb->Base._ActualFormat = GL_RGBA8;
       irb->Base._BaseFormat = GL_RGBA;
-      irb->Base.RedBits = 8;
-      irb->Base.GreenBits = 8;
-      irb->Base.BlueBits = 8;
-      irb->Base.AlphaBits = 8;
-      irb->Base.DataType = GL_UNSIGNED_BYTE;
-      cpp = 4;
-      break;
-   case GL_STENCIL_INDEX8_EXT:
-      irb->Base._ActualFormat = GL_STENCIL_INDEX8_EXT;
-      irb->Base._BaseFormat = GL_STENCIL_INDEX;
-      irb->Base.StencilBits = 8;
-      irb->Base.DataType = GL_UNSIGNED_BYTE;
-      cpp = 1;
       break;
    case GL_DEPTH_COMPONENT16:
-      irb->Base._ActualFormat = GL_DEPTH_COMPONENT16;
       irb->Base._BaseFormat = GL_DEPTH_COMPONENT;
-      irb->Base.DepthBits = 16;
-      irb->Base.DataType = GL_UNSIGNED_SHORT;
-      cpp = 2;
-      break;
-   case GL_DEPTH_COMPONENT24:
-      irb->Base._ActualFormat = GL_DEPTH24_STENCIL8_EXT;
-      irb->Base._BaseFormat = GL_DEPTH_COMPONENT;
-      irb->Base.DepthBits = 24;
-      irb->Base.DataType = GL_UNSIGNED_INT;
-      cpp = 4;
       break;
    case GL_DEPTH24_STENCIL8_EXT:
-      irb->Base._ActualFormat = GL_DEPTH24_STENCIL8_EXT;
       irb->Base._BaseFormat = GL_DEPTH_STENCIL_EXT;
-      irb->Base.DepthBits = 24;
-      irb->Base.StencilBits = 8;
-      irb->Base.DataType = GL_UNSIGNED_INT_24_8_EXT;
-      cpp = 4;
       break;
    default:
       _mesa_problem(NULL,
-                    "Unexpected intFormat in intel_create_renderbuffer");
-      return NULL;
-   }
-
-   irb->Base.InternalFormat = intFormat;
-
-   /* intel-specific methods */
-   irb->Base.Delete = intel_delete_renderbuffer;
-   irb->Base.AllocStorage = intel_alloc_window_storage;
-   irb->Base.GetPointer = intel_get_pointer;
-   /* This sets the Get/PutRow/Value functions */
-   intel_set_span_functions(&irb->Base);
-
-   irb->pfMap = map;
-   irb->pfPitch = pitch / cpp;	/* in pixels */
-
-#if 00
-   irb->region = intel_region_create_static(intel,
-                                            DRM_MM_TT,
-                                            offset, map, cpp, width, height);
-#endif
-
-   return irb;
-}
-
-
-/**
- * Create a new renderbuffer which corresponds to an X window buffer
- * (color, depth, stencil, etc) - not a user-created GL renderbuffer.
- * The internal format is set at creation time and does not change.
- */
-struct gl_renderbuffer *
-intel_new_renderbuffer_fb(GLcontext * ctx, GLuint intFormat)
-{
-   struct intel_renderbuffer *irb;
-
-   irb = CALLOC_STRUCT(intel_renderbuffer);
-   if (!irb) {
-      _mesa_error(ctx, GL_OUT_OF_MEMORY, "creating renderbuffer");
+		    "Unexpected intFormat in intel_create_renderbuffer");
       return NULL;
    }
 
-   _mesa_init_renderbuffer(&irb->Base, 0);
-   irb->Base.ClassID = INTEL_RB_CLASS;
-   irb->Base.InternalFormat = intFormat;
-
    /* intel-specific methods */
    irb->Base.Delete = intel_delete_renderbuffer;
    irb->Base.AllocStorage = intel_alloc_renderbuffer_storage;
diff --git a/src/mesa/drivers/dri/i915tex/intel_fbo.h b/src/mesa/drivers/dri/i915tex/intel_fbo.h
index 86c81060845..7dc39675337 100644
--- a/src/mesa/drivers/dri/i915tex/intel_fbo.h
+++ b/src/mesa/drivers/dri/i915tex/intel_fbo.h
@@ -91,7 +91,7 @@ struct intel_renderbuffer
    struct intel_surface *surface;
 };
 
-
+#if 0
 extern struct intel_renderbuffer *intel_create_renderbuffer(GLenum intFormat,
                                                             GLsizei width,
                                                             GLsizei height,
@@ -99,7 +99,9 @@ extern struct intel_renderbuffer *intel_create_renderbuffer(GLenum intFormat,
                                                             int pitch,
                                                             int cpp,
                                                             void *map);
+#endif
 
+extern struct intel_renderbuffer *intel_new_renderbuffer_fb(GLuint intFormat);
 
 extern void intel_fbo_init(struct intel_context *intel);
 
diff --git a/src/mesa/drivers/dri/i915tex/intel_ioctl.c b/src/mesa/drivers/dri/i915tex/intel_ioctl.c
index 3250c6b3a9c..54721c78ab1 100644
--- a/src/mesa/drivers/dri/i915tex/intel_ioctl.c
+++ b/src/mesa/drivers/dri/i915tex/intel_ioctl.c
@@ -116,8 +116,7 @@ intel_batch_ioctl(struct intel_context *intel,
    batch.cliprects = intel->pClipRects;
    batch.num_cliprects = ignore_cliprects ? 0 : intel->numClipRects;
    batch.DR1 = 0;
-   batch.DR4 = ((((GLuint) intel->drawX) & 0xffff) |
-                (((GLuint) intel->drawY) << 16));
+   batch.DR4 = 0; /* still need this ? */
 
    DBG("%s: 0x%x..0x%x DR4: %x cliprects: %d\n",
        __FUNCTION__,
diff --git a/src/mesa/drivers/dri/i915tex/intel_pixel.c b/src/mesa/drivers/dri/i915tex/intel_pixel.c
index 9018e3daef4..8e61cc81848 100644
--- a/src/mesa/drivers/dri/i915tex/intel_pixel.c
+++ b/src/mesa/drivers/dri/i915tex/intel_pixel.c
@@ -44,13 +44,12 @@ intel_check_blit_fragment_ops(GLcontext * ctx)
    if (ctx->NewState)
       _mesa_update_state(ctx);
 
-   /* XXX Note: Scissor could be done with the blitter:
+   /* XXX Note: Scissor done with blitter:
     */
    return !(ctx->_ImageTransferState ||
             ctx->Color.AlphaEnabled ||
             ctx->Depth.Test ||
             ctx->Fog.Enabled ||
-            ctx->Scissor.Enabled ||
             ctx->Stencil.Enabled ||
             !ctx->Color.ColorMask[0] ||
             !ctx->Color.ColorMask[1] ||
diff --git a/src/mesa/drivers/dri/i915tex/intel_pixel_bitmap.c b/src/mesa/drivers/dri/i915tex/intel_pixel_bitmap.c
index 65bf338589e..c205c6a715f 100644
--- a/src/mesa/drivers/dri/i915tex/intel_pixel_bitmap.c
+++ b/src/mesa/drivers/dri/i915tex/intel_pixel_bitmap.c
@@ -195,18 +195,19 @@ do_blit_bitmap( GLcontext *ctx,
 
    LOCK_HARDWARE(intel);
 
-   if (intel->driDrawable->numClipRects) {
-      __DRIdrawablePrivate *dPriv = intel->driDrawable;
-      drm_clip_rect_t *box = dPriv->pClipRects;
+   {
+      drm_clip_rect_t box;
       drm_clip_rect_t dest_rect;
-      GLint nbox = dPriv->numClipRects;
       GLint srcx = 0, srcy = 0;
       GLint orig_screen_x1, orig_screen_y2;
       GLuint i;
 
-
-      orig_screen_x1 = dPriv->x + dstx;
-      orig_screen_y2 = dPriv->y + (dPriv->h - dsty);
+      box.x1 = 0;
+      box.y1 = 0;
+      box.x2 = ctx->DrawBuffer->Width;
+      box.y2 = ctx->DrawBuffer->Height;
+      orig_screen_x1 = dstx;
+      orig_screen_y2 = box->y2 - dsty;
 
       /* Do scissoring in GL coordinates:
        */
@@ -223,21 +224,21 @@ x      if (ctx->Scissor.Enabled)
 
       /* Convert from GL to hardware coordinates:
        */
-      dsty = dPriv->y + (dPriv->h - dsty - height);  
-      dstx = dPriv->x + dstx;
+      dsty = box->y2 - dsty - height;
+      dstx = dstx;
 
       dest_rect.x1 = dstx;
       dest_rect.y1 = dsty;
       dest_rect.x2 = dstx + width;
       dest_rect.y2 = dsty + height;
 
-      for (i = 0; i < nbox; i++) {
+      for (i = 0; i < 1; i++) {
          drm_clip_rect_t rect;
 	 int box_w, box_h;
 	 GLint px, py;
-	 GLuint stipple[32];  
+	 GLuint stipple[32];
 
-         if (!intel_intersect_cliprects(&rect, &dest_rect, &box[i]))
+         if (!intel_intersect_cliprects(&rect, &dest_rect, &box[0]))
             continue;
 
 	 /* Now go back to GL coordinates to figure out what subset of
diff --git a/src/mesa/drivers/dri/i915tex/intel_pixel_copy.c b/src/mesa/drivers/dri/i915tex/intel_pixel_copy.c
index 9d478283e47..2ecacc3c090 100644
--- a/src/mesa/drivers/dri/i915tex/intel_pixel_copy.c
+++ b/src/mesa/drivers/dri/i915tex/intel_pixel_copy.c
@@ -42,21 +42,25 @@
 #include "intel_regions.h"
 #include "intel_tris.h"
 #include "intel_pixel.h"
+#include "intel_fbo.h"
 
 #define FILE_DEBUG_FLAG DEBUG_PIXEL
 
 static struct intel_region *
 copypix_src_region(struct intel_context *intel, GLenum type)
 {
+   struct intel_renderbuffer *irb;
+
    switch (type) {
    case GL_COLOR:
       return intel_readbuf_region(intel);
    case GL_DEPTH:
       /* Don't think this is really possible execpt at 16bpp, when we have no stencil.
        */
-      if (intel->intelScreen->depth_region && 
-	  intel->intelScreen->depth_region->cpp == 2)
-         return intel->intelScreen->depth_region;
+      irb = intel_renderbuffer(intel->ctx.ReadBuffer->_DepthBuffer->Wrapped);
+         if (irb && irb->region && irb->region->cpp == 2)
+            return irb->region;
+      break;
    case GL_STENCIL:
       /* Don't think this is really possible. 
        */
@@ -64,7 +68,10 @@ copypix_src_region(struct intel_context *intel, GLenum type)
    case GL_DEPTH_STENCIL_EXT:
       /* Does it matter whether it is stencil/depth or depth/stencil?
        */
-      return intel->intelScreen->depth_region;
+      irb = intel_renderbuffer(intel->ctx.ReadBuffer->_DepthBuffer->Wrapped);
+         if (irb && irb->region)
+            return irb->region;
+      break;
    default:
       break;
    }
@@ -73,33 +80,6 @@ copypix_src_region(struct intel_context *intel, GLenum type)
 }
 
 
-/**
- * Check if any fragment operations are in effect which might effect
- * glCopyPixels.  Differs from intel_check_blit_fragment_ops in that
- * we allow Scissor.
- */
-static GLboolean
-intel_check_copypixel_blit_fragment_ops(GLcontext * ctx)
-{
-   if (ctx->NewState)
-      _mesa_update_state(ctx);
-
-   /* Could do logicop with the blitter: 
-    */
-   return !(ctx->_ImageTransferState ||
-            ctx->Color.AlphaEnabled ||
-            ctx->Depth.Test ||
-            ctx->Fog.Enabled ||
-            ctx->Stencil.Enabled ||
-            !ctx->Color.ColorMask[0] ||
-            !ctx->Color.ColorMask[1] ||
-            !ctx->Color.ColorMask[2] ||
-            !ctx->Color.ColorMask[3] ||
-            ctx->Texture._EnabledUnits ||
-	    ctx->FragmentProgram._Enabled ||
-	    ctx->Color.BlendEnabled);
-}
-
 /* Doesn't work for overlapping regions.  Could do a double copy or
  * just fallback.
  */
@@ -112,6 +92,7 @@ do_texture_copypixels(GLcontext * ctx,
    struct intel_context *intel = intel_context(ctx);
    struct intel_region *dst = intel_drawbuf_region(intel);
    struct intel_region *src = copypix_src_region(intel, type);
+   struct intel_region *depthreg = NULL;
    GLenum src_format;
    GLenum src_type;
 
@@ -164,7 +145,11 @@ do_texture_copypixels(GLcontext * ctx,
 
    /* Set the 3d engine to draw into the destination region:
     */
-   intel->vtbl.meta_draw_region(intel, dst, intel->intelScreen->depth_region);
+   if (ctx->DrawBuffer->_DepthBuffer &&
+       ctx->DrawBuffer->_DepthBuffer->Wrapped)
+      depthreg = (intel_renderbuffer(ctx->DrawBuffer->_DepthBuffer->Wrapped))->region;
+
+   intel->vtbl.meta_draw_region(intel, dst, depthreg);
 
    intel->vtbl.meta_import_pixel_state(intel);
 
@@ -191,14 +176,10 @@ do_texture_copypixels(GLcontext * ctx,
 
    LOCK_HARDWARE(intel);
 
-   if (intel->driDrawable->numClipRects) {
-      __DRIdrawablePrivate *dPriv = intel->driDrawable;
-
-
-      srcy = dPriv->h - srcy - height;  /* convert from gl to hardware coords */
-
-      srcx += dPriv->x;
-      srcy += dPriv->y;
+   {
+      int dstbufHeight = ctx->DrawBuffer->Height;
+      /* convert from gl to hardware coords */
+      srcy = ctx->ReadBuffer->Height - srcy - height;
 
       /* Clip against the source region.  This is the only source
        * clipping we do.  XXX: Just set the texcord wrap mode to clamp
@@ -209,7 +190,8 @@ do_texture_copypixels(GLcontext * ctx,
          GLint orig_x = srcx;
          GLint orig_y = srcy;
 
-         if (!_mesa_clip_to_region(0, 0, src->pitch, src->height,
+         if (!_mesa_clip_to_region(0, 0, ctx->ReadBuffer->Width - 1,
+				   ctx->ReadBuffer->Height - 1,
                                    &srcx, &srcy, &width, &height))
             goto out;
 
@@ -220,11 +202,11 @@ do_texture_copypixels(GLcontext * ctx,
       /* Just use the regular cliprect mechanism...  Does this need to
        * even hold the lock???
        */
-      intel_meta_draw_quad(intel, 
-			   dstx, 
-			   dstx + width * ctx->Pixel.ZoomX, 
-			   dPriv->h - (dsty + height * ctx->Pixel.ZoomY), 
-			   dPriv->h - (dsty), 0,   /* XXX: what z value? */
+      intel_meta_draw_quad(intel,
+			   dstx,
+			   dstx + width * ctx->Pixel.ZoomX,
+			   dstbufHeight - (dsty + height * ctx->Pixel.ZoomY),
+			   dstbufHeight - (dsty), 0,   /* XXX: what z value? */
                            0x00ff00ff,
                            srcx, srcx + width, srcy, srcy + height);
 
@@ -252,102 +234,96 @@ do_blit_copypixels(GLcontext * ctx,
                    GLint dstx, GLint dsty, GLenum type)
 {
    struct intel_context *intel = intel_context(ctx);
-   struct intel_region *dst = intel_drawbuf_region(intel);
-   struct intel_region *src = copypix_src_region(intel, type);
+   struct gl_framebuffer *fb = ctx->DrawBuffer;
+   struct gl_framebuffer *fbread = ctx->ReadBuffer;
+   struct intel_renderbuffer *irbread;
+   struct intel_renderbuffer *irbdraw;
+   struct intel_region *dst;
+   struct intel_region *src;
 
    /* Copypixels can be more than a straight copy.  Ensure all the
     * extra operations are disabled:
     */
-   if (!intel_check_copypixel_blit_fragment_ops(ctx) ||
+   if (!intel_check_blit_fragment_ops(ctx) ||
        ctx->Pixel.ZoomX != 1.0F || ctx->Pixel.ZoomY != 1.0F)
       return GL_FALSE;
 
-   if (!src || !dst)
-      return GL_FALSE;
+   intelFlush(&intel->ctx);
 
+   if (type == GL_COLOR) {
+      irbread = intel_renderbuffer(fbread->_ColorReadBuffer);
+      irbdraw = intel_renderbuffer(fb->_ColorDrawBuffers[0][0]);
+      if (!irbread || !irbread->region || !irbdraw || !irbdraw->region)
+	 return GL_FALSE;
+   }
+   else if (type == GL_DEPTH) {
+      /* Don't think this is really possible execpt at 16bpp, when we have no stencil.
+       */
+      irbread = intel_renderbuffer(fbread->_DepthBuffer->Wrapped);
+      irbdraw = intel_renderbuffer(fb->_DepthBuffer->Wrapped);
+      if (!irbread || !irbread->region || !irbdraw || !irbdraw->region
+	 || !(irbread->region->cpp == 2))
+	 return GL_FALSE;
+   }
+   else if (type == GL_DEPTH_STENCIL_EXT) {
+      /* Does it matter whether it is stencil/depth or depth/stencil?
+       */
+      irbread = intel_renderbuffer(fbread->_DepthBuffer->Wrapped);
+      irbdraw = intel_renderbuffer(fb->_DepthBuffer->Wrapped);
+      if (!irbread || !irbread->region || !irbdraw || !irbdraw->region)
+	 return GL_FALSE;
+   }
+   else /* GL_STENCIL */ {
+      /* Don't think this is really possible. 
+       */
+      return GL_FALSE;
+   }
 
+   src = irbread->region;
+   dst = irbdraw->region;
 
-   intelFlush(&intel->ctx);
+   {
+      GLint dx = dstx - srcx;
+      GLint dy = dsty - srcy;
 
-   LOCK_HARDWARE(intel);
+      /* Clip against dest, including scissor, in GL coordinates:
+       */
 
-   if (intel->driDrawable->numClipRects) {
-      __DRIdrawablePrivate *dPriv = intel->driDrawable;
-      drm_clip_rect_t *box = dPriv->pClipRects;
-      drm_clip_rect_t dest_rect;
-      GLint nbox = dPriv->numClipRects;
-      GLint delta_x = 0;
-      GLint delta_y = 0;
-      GLuint i;
+      if (!_mesa_clip_to_region(fb->_Xmin, fb->_Ymin,
+			        fb->_Xmax - 1, fb->_Ymax - 1,
+				&dstx, &dsty, &width, &height))
+         goto out;
 
-      /* Do scissoring in GL coordinates:
-       */
-      if (ctx->Scissor.Enabled)
-      {
-	 GLint x = ctx->Scissor.X;
-	 GLint y = ctx->Scissor.Y;
-	 GLuint w = ctx->Scissor.Width;
-	 GLuint h = ctx->Scissor.Height;
-	 GLint dx = dstx - srcx;
-         GLint dy = dsty - srcy;
-
-         if (!_mesa_clip_to_region(x, y, x+w-1, y+h-1, &dstx, &dsty, &width, &height))
-            goto out;
-	 
-         srcx = dstx - dx;
-         srcy = dsty - dy;
-      }
+      srcx = dstx - dx;
+      srcy = dsty - dy;
 
       /* Convert from GL to hardware coordinates:
        */
-      dsty = dPriv->h - dsty - height;  
-      srcy = dPriv->h - srcy - height;  
-      dstx += dPriv->x;
-      dsty += dPriv->y;
-      srcx += dPriv->x;
-      srcy += dPriv->y;
+      dsty = fb->Height - dsty - height;
+      srcy = fbread->Height - srcy - height;
 
-      /* Clip against the source region.  This is the only source
-       * clipping we do.  Dst is clipped with cliprects below.
+      /* Clip against the source region:
        */
-      {
-         delta_x = srcx - dstx;
-         delta_y = srcy - dsty;
+      dx = srcx - dstx;
+      dy = srcy - dsty;
 
-         if (!_mesa_clip_to_region(0, 0, src->pitch, src->height,
-                                   &srcx, &srcy, &width, &height))
-            goto out;
+      if (!_mesa_clip_to_region(0, 0, irbread->Base.Width - 1,
+				irbread->Base.Height - 1,
+				&srcx, &srcy, &width, &height))
+         goto out;
 
-         dstx = srcx - delta_x;
-         dsty = srcy - delta_y;
-      }
-
-      dest_rect.x1 = dstx;
-      dest_rect.y1 = dsty;
-      dest_rect.x2 = dstx + width;
-      dest_rect.y2 = dsty + height;
-
-      /* Could do slightly more clipping: Eg, take the intersection of
-       * the existing set of cliprects and those cliprects translated
-       * by delta_x, delta_y:
-       * 
-       * This code will not overwrite other windows, but will
-       * introduce garbage when copying from obscured window regions.
-       */
-      for (i = 0; i < nbox; i++) {
-         drm_clip_rect_t rect;
+      dstx = srcx - dx;
+      dsty = srcy - dy;
 
-         if (!intel_intersect_cliprects(&rect, &dest_rect, &box[i]))
-            continue;
 
+      {
 
-         intelEmitCopyBlit(intel, dst->cpp, 
-			   src->pitch, src->buffer, 0, 
-			   dst->pitch, dst->buffer, 0, 
-			   rect.x1 + delta_x, 
-			   rect.y1 + delta_y,       /* srcx, srcy */
-                           rect.x1, rect.y1,    /* dstx, dsty */
-                           rect.x2 - rect.x1, rect.y2 - rect.y1,
+         intelEmitCopyBlit(intel, dst->cpp,
+			   src->pitch, src->buffer, 0,
+			   dst->pitch, dst->buffer, 0,
+			   srcx, srcy,
+			   dstx, dsty,
+			   width, height,
 			   ctx->Color.ColorLogicOpEnabled ?
 			   ctx->Color.LogicOp : GL_COPY);
       }
@@ -355,7 +331,6 @@ do_blit_copypixels(GLcontext * ctx,
     out:
       intel_batchbuffer_flush(intel->batch);
    }
-   UNLOCK_HARDWARE(intel);
 
    DBG("%s: success\n", __FUNCTION__);
    return GL_TRUE;
diff --git a/src/mesa/drivers/dri/i915tex/intel_pixel_draw.c b/src/mesa/drivers/dri/i915tex/intel_pixel_draw.c
index e4e57cb3a7e..4139117206e 100644
--- a/src/mesa/drivers/dri/i915tex/intel_pixel_draw.c
+++ b/src/mesa/drivers/dri/i915tex/intel_pixel_draw.c
@@ -43,7 +43,7 @@
 #include "intel_pixel.h"
 #include "intel_buffer_objects.h"
 #include "intel_tris.h"
-
+#include "intel_fbo.h"
 
 
 static GLboolean
@@ -57,6 +57,7 @@ do_texture_drawpixels(GLcontext * ctx,
    struct intel_context *intel = intel_context(ctx);
    struct intel_region *dst = intel_drawbuf_region(intel);
    struct intel_buffer_object *src = intel_buffer_object(unpack->BufferObj);
+   struct intel_region *depthreg = NULL;
    GLuint rowLength = unpack->RowLength ? unpack->RowLength : width;
    GLuint src_offset;
 
@@ -112,7 +113,11 @@ do_texture_drawpixels(GLcontext * ctx,
 
    /* Set the 3d engine to draw into the destination region:
     */
-   intel->vtbl.meta_draw_region(intel, dst, intel->intelScreen->depth_region);
+   if (ctx->DrawBuffer->_DepthBuffer &&
+       ctx->DrawBuffer->_DepthBuffer->Wrapped)
+      depthreg = (intel_renderbuffer(ctx->DrawBuffer->_DepthBuffer->Wrapped))->region;
+
+   intel->vtbl.meta_draw_region(intel, dst, depthreg);
 
    intel->vtbl.meta_import_pixel_state(intel);
 
@@ -138,13 +143,14 @@ do_texture_drawpixels(GLcontext * ctx,
 
    LOCK_HARDWARE(intel);
 
-   if (intel->driDrawable->numClipRects) {
-      __DRIdrawablePrivate *dPriv = intel->driDrawable;
+   {
+      int bufHeight = ctx->DrawBuffer->Height;
+
       GLint srcx, srcy;
       GLint dstx, dsty;
 
       dstx = x;
-      dsty = dPriv->h - (y + height);
+      dsty = bufHeight - (y + height);
 
       srcx = 0;                 /* skiprows/pixels already done */
       srcy = 0;
@@ -172,8 +178,8 @@ do_texture_drawpixels(GLcontext * ctx,
        */
       intel_meta_draw_quad(intel,
                            dstx, dstx + width * ctx->Pixel.ZoomX,
-                           dPriv->h - (y + height * ctx->Pixel.ZoomY),
-                           dPriv->h - (y),
+                           bufHeight - (y + height * ctx->Pixel.ZoomY),
+                           bufHeight - (y),
                            -ctx->Current.RasterPos[2] * .5,
                            0x00ff00ff,
                            srcx, srcx + width, srcy + height, srcy);
@@ -206,14 +212,16 @@ do_texture_drawpixels(GLcontext * ctx,
  */
 static GLboolean
 do_blit_drawpixels(GLcontext * ctx,
-                   GLint x, GLint y,
+                   GLint dstx, GLint dsty,
                    GLsizei width, GLsizei height,
                    GLenum format, GLenum type,
                    const struct gl_pixelstore_attrib *unpack,
                    const GLvoid * pixels)
 {
    struct intel_context *intel = intel_context(ctx);
-   struct intel_region *dest = intel_drawbuf_region(intel);
+   struct gl_framebuffer *fb = ctx->DrawBuffer;
+   struct intel_renderbuffer *irbdraw;
+   struct intel_region *dest;
    struct intel_buffer_object *src = intel_buffer_object(unpack->BufferObj);
    GLuint src_offset;
    GLuint rowLength;
@@ -222,6 +230,32 @@ do_blit_drawpixels(GLcontext * ctx,
    if (INTEL_DEBUG & DEBUG_PIXEL)
       _mesa_printf("%s\n", __FUNCTION__);
 
+   if (type == GL_COLOR) {
+      irbdraw = intel_renderbuffer(fb->_ColorDrawBuffers[0][0]);
+      if (!irbdraw || !irbdraw->region)
+	 return GL_FALSE;
+   }
+   else if (type == GL_DEPTH) {
+      /* Don't think this is really possible execpt at 16bpp, when we have no stencil.
+       */
+      irbdraw = intel_renderbuffer(fb->_DepthBuffer->Wrapped);
+      if (!irbdraw || !irbdraw->region || !(irbdraw->region->cpp == 2))
+	 return GL_FALSE;
+   }
+   else if (type == GL_DEPTH_STENCIL_EXT) {
+      /* Does it matter whether it is stencil/depth or depth/stencil?
+       */
+      irbdraw = intel_renderbuffer(fb->_DepthBuffer->Wrapped);
+      if (!irbdraw || !irbdraw->region)
+	 return GL_FALSE;
+   }
+   else /* GL_STENCIL */ {
+      /* Don't think this is really possible. 
+       */
+      return GL_FALSE;
+   }
+
+   dest = irbdraw->region;
 
    if (!dest) {
       if (INTEL_DEBUG & DEBUG_PIXEL)
@@ -275,7 +309,7 @@ do_blit_drawpixels(GLcontext * ctx,
       if (INTEL_DEBUG & DEBUG_PIXEL)
          _mesa_printf("%s - bad PixelZoomY for blit\n", __FUNCTION__);
       return GL_FALSE;          /* later */
-      y -= height;
+      dsty -= height;
    }
    else if (ctx->Pixel.ZoomY == 1.0F) {
       rowLength = -rowLength;
@@ -289,51 +323,59 @@ do_blit_drawpixels(GLcontext * ctx,
    src_offset = (GLuint) _mesa_image_address(2, unpack, pixels, width, height,
                                              format, type, 0, 0, 0);
 
+   /* don't need a lock as we have no cliprects ? */
    intelFlush(&intel->ctx);
-   LOCK_HARDWARE(intel);
 
-   if (intel->driDrawable->numClipRects) {
-      __DRIdrawablePrivate *dPriv = intel->driDrawable;
-      int nbox = dPriv->numClipRects;
-      drm_clip_rect_t *box = dPriv->pClipRects;
-      drm_clip_rect_t rect;
-      drm_clip_rect_t dest_rect;
+   {
+      GLuint srcx = 0;
+      GLuint srcy = 0;
+      GLint dx = dstx;
+      GLint dy = dsty;
+      GLuint height_orig = height;
+
+      /* Do scissoring and clipping in GL coordinates, no need to clip against
+       * pbo src region (note fbo fields include scissor already):
+       */
+      height_orig = height;
+      if (!_mesa_clip_to_region(fb->_Xmin, fb->_Ymin,
+				fb->_Xmax - 1, fb->_Ymax - 1,
+				&dstx, &dsty, &width, &height))
+         goto out;
+
+      srcx = dstx - dx;
+      srcy = dsty - dy;
+
       struct _DriBufferObject *src_buffer =
          intel_bufferobj_buffer(intel, src, INTEL_READ);
-      int i;
-
-      dest_rect.x1 = dPriv->x + x;
-      dest_rect.y1 = dPriv->y + dPriv->h - (y + height);
-      dest_rect.x2 = dest_rect.x1 + width;
-      dest_rect.y2 = dest_rect.y1 + height;
 
-      for (i = 0; i < nbox; i++) {
-         if (!intel_intersect_cliprects(&rect, &dest_rect, &box[i]))
-            continue;
+      /* Convert from GL to hardware coordinates:
+       */
+      dsty = fb->Height - dsty - height;
+      srcy = height_orig - srcy - height;
 
+      {
          intelEmitCopyBlit(intel,
                            dest->cpp,
                            rowLength,
                            src_buffer, src_offset,
                            dest->pitch,
                            dest->buffer, 0,
-                           rect.x1 - dest_rect.x1,
-                           rect.y2 - dest_rect.y2,
-                           rect.x1,
-                           rect.y1, rect.x2 - rect.x1, rect.y2 - rect.y1,
+                           srcx, srcy,
+                           dstx, dsty, width, height,
 			   ctx->Color.ColorLogicOpEnabled ?
 			   ctx->Color.LogicOp : GL_COPY);
       }
       fence = intel_batchbuffer_flush(intel->batch);
       driFenceReference(fence);
    }
-   UNLOCK_HARDWARE(intel);
 
    if (fence) {
       driFenceFinish(fence, DRM_FENCE_TYPE_EXE | DRM_I915_FENCE_TYPE_RW, GL_FALSE);
       driFenceUnReference(fence);
    }
 
+   out:
+
    if (INTEL_DEBUG & DEBUG_PIXEL)
       _mesa_printf("%s - DONE\n", __FUNCTION__);
 
@@ -371,7 +413,8 @@ intelDrawPixels(GLcontext * ctx,
        */
       struct gl_fragment_program *fpSave = ctx->FragmentProgram._Current;
    /* can't just set current frag prog to 0 here as on buffer resize
-      we'll get new state checks which will segfault. Remains a hack. */
+      we'll get new state checks which will segfault (actually don't get them
+      with current priv buffers). Remains a hack. */
       ctx->FragmentProgram._Current = NULL;
       ctx->FragmentProgram._UseTexEnvProgram = GL_FALSE;
       ctx->FragmentProgram._Active = GL_FALSE;
diff --git a/src/mesa/drivers/dri/i915tex/intel_pixel_read.c b/src/mesa/drivers/dri/i915tex/intel_pixel_read.c
index 24e49ae0663..76a6959625e 100644
--- a/src/mesa/drivers/dri/i915tex/intel_pixel_read.c
+++ b/src/mesa/drivers/dri/i915tex/intel_pixel_read.c
@@ -42,6 +42,8 @@
 #include "intel_regions.h"
 #include "intel_pixel.h"
 #include "intel_buffer_objects.h"
+#include "intel_fbo.h"
+#include "intel_tris.h"
 
 /* For many applications, the new ability to pull the source buffers
  * back out of the GTT and then do the packing/conversion operations
@@ -54,6 +56,8 @@
  * an argument for blit/texture readpixels, or for blitting to a
  * temporary and then pulling that back.
  *
+ * XXX this is not true for fake frontbuffers...
+
  * When the destination is a pbo, however, it's not clear if it is
  * ever going to be pulled to main memory (though the access param
  * will be a good hint).  So it sounds like we do want to be able to
@@ -68,91 +72,105 @@
 
 static GLboolean
 do_texture_readpixels(GLcontext * ctx,
-                      GLint x, GLint y, GLsizei width, GLsizei height,
+                      GLint srcx, GLint srcy, GLsizei width, GLsizei height,
                       GLenum format, GLenum type,
                       const struct gl_pixelstore_attrib *pack,
                       struct intel_region *dest_region)
 {
 #if 0
    struct intel_context *intel = intel_context(ctx);
-   intelScreenPrivate *screen = intel->intelScreen;
-   GLint pitch = pack->RowLength ? pack->RowLength : width;
-   __DRIdrawablePrivate *dPriv = intel->driDrawable;
-   int textureFormat;
-   GLenum glTextureFormat;
-   int destFormat, depthFormat, destPitch;
-   drm_clip_rect_t tmp;
+   struct intel_region *depthreg = NULL;
+   struct intel_region *src = intel_readbuf_region(intel);
+// struct intel_region *src = copypix_src_region(intel, type);
+   GLenum src_format;
+   GLenum src_type;
 
    if (INTEL_DEBUG & DEBUG_PIXEL)
       fprintf(stderr, "%s\n", __FUNCTION__);
 
-
-   if (ctx->_ImageTransferState ||
-       pack->SwapBytes || pack->LsbFirst || !pack->Invert) {
-      if (INTEL_DEBUG & DEBUG_PIXEL)
-         fprintf(stderr, "%s: check_color failed\n", __FUNCTION__);
+   if (!src || type != GL_COLOR)
       return GL_FALSE;
-   }
-
-   intel->vtbl.meta_texrect_source(intel, intel_readbuf_region(intel));
 
-   if (!intel->vtbl.meta_render_dest(intel, dest_region, type, format)) {
-      if (INTEL_DEBUG & DEBUG_PIXEL)
-         fprintf(stderr, "%s: couldn't set dest %s/%s\n",
-                 __FUNCTION__,
-                 _mesa_lookup_enum_by_nr(type),
-                 _mesa_lookup_enum_by_nr(format));
-      return GL_FALSE;
-   }
+   intelFlush(&intel->ctx);
 
-   LOCK_HARDWARE(intel);
+   intel->vtbl.install_meta_state(intel);
 
-   if (intel->driDrawable->numClipRects) {
-      intel->vtbl.install_meta_state(intel);
-      intel->vtbl.meta_no_depth_write(intel);
-      intel->vtbl.meta_no_stencil_write(intel);
+   /* Is this true?  Also will need to turn depth testing on according
+    * to state:
+    */
+   intel->vtbl.meta_no_stencil_write(intel);
+   intel->vtbl.meta_no_depth_write(intel);
 
-      if (!driClipRectToFramebuffer(ctx->ReadBuffer, &x, &y, &width, &height)) {
-         UNLOCK_HARDWARE(intel);
-         SET_STATE(i830, state);
-         if (INTEL_DEBUG & DEBUG_PIXEL)
-            fprintf(stderr, "%s: cliprect failed\n", __FUNCTION__);
-         return GL_TRUE;
-      }
+   /* Set the 3d engine to draw into the destination region:
+    */
+   if (ctx->DrawBuffer->_DepthBuffer &&
+       ctx->DrawBuffer->_DepthBuffer->Wrapped)
+      depthreg = (intel_renderbuffer(ctx->DrawBuffer->_DepthBuffer->Wrapped))->region;
 
-      y = dPriv->h - y - height;
-      x += dPriv->x;
-      y += dPriv->y;
+   intel->vtbl.meta_draw_region(intel, dest_region, depthreg);
 
+   intel->vtbl.meta_import_pixel_state(intel);
 
-      /* Set the frontbuffer up as a large rectangular texture.
-       */
-      intel->vtbl.meta_tex_rect_source(intel, src_region, textureFormat);
+   if (src->cpp == 2) {
+      src_format = GL_RGB;
+      src_type = GL_UNSIGNED_SHORT_5_6_5;
+   }
+   else {
+      src_format = GL_BGRA;
+      src_type = GL_UNSIGNED_BYTE;
+   }
 
+   /* Set the frontbuffer up as a large rectangular texture.
+    */
+   if (!intel->vtbl.meta_tex_rect_source(intel, src->buffer, 0,
+                                         src->pitch,
+                                         src->height, src_format, src_type)) {
+      intel->vtbl.leave_meta_state(intel);
+      return GL_FALSE;
+   }
 
-      intel->vtbl.meta_texture_blend_replace(i830, glTextureFormat);
 
+   intel->vtbl.meta_texture_blend_replace(intel);
 
-      /* Set the 3d engine to draw into the destination region:
-       */
-
-      intel->vtbl.meta_draw_region(intel, dest_region);
-      intel->vtbl.meta_draw_format(intel, destFormat, depthFormat);     /* ?? */
+   LOCK_HARDWARE(intel);
 
+   {
+      int dstbufHeight = height * ctx->Pixel.ZoomY; /* ? */
+      /* convert from gl to hardware coords */
+      srcy = ctx->ReadBuffer->Height - srcy - height;
 
-      /* Draw a single quad, no cliprects:
+      /* Clip against the source region.  This is the only source
+       * clipping we do.  XXX: Just set the texcord wrap mode to clamp
+       * or similar.
+       *
        */
-      intel->vtbl.meta_disable_cliprects(intel);
+      if (0) {
+         if (!_mesa_clip_to_region(0, 0, ctx->ReadBuffer->Width - 1,
+				   ctx->ReadBuffer->Height - 1,
+                                   &srcx, &srcy, &width, &height))
+            goto out;
 
-      intel->vtbl.draw_quad(intel,
-                            0, width, 0, height,
-                            0x00ff00ff, x, x + width, y, y + height);
+      }
 
+      /* Just use the regular cliprect mechanism...  Does this need to
+       * even hold the lock???
+       */
+      intel_meta_draw_quad(intel,
+			   0,
+			   width * ctx->Pixel.ZoomX,
+			   dstbufHeight - (height * ctx->Pixel.ZoomY),
+			   dstbufHeight, 0,   /* XXX: what z value? */
+                           0x00ff00ff,
+                           srcx, srcx + width, srcy, srcy + height);
+
+    out:
       intel->vtbl.leave_meta_state(intel);
+      intel_batchbuffer_flush(intel->batch);
    }
    UNLOCK_HARDWARE(intel);
 
-   intel_region_wait_fence(ctx, dest_region);   /* required by GL */
+   if (INTEL_DEBUG & DEBUG_PIXEL)
+      _mesa_printf("%s: success\n", __FUNCTION__);
    return GL_TRUE;
 #endif
 
@@ -169,7 +187,8 @@ do_blit_readpixels(GLcontext * ctx,
                    const struct gl_pixelstore_attrib *pack, GLvoid * pixels)
 {
    struct intel_context *intel = intel_context(ctx);
-   struct intel_region *src = intel_readbuf_region(intel);
+   struct intel_renderbuffer *irbread;
+   struct intel_region *src;
    struct intel_buffer_object *dst = intel_buffer_object(pack->BufferObj);
    GLuint dst_offset;
    GLuint rowLength;
@@ -178,15 +197,17 @@ do_blit_readpixels(GLcontext * ctx,
    if (INTEL_DEBUG & DEBUG_PIXEL)
       _mesa_printf("%s\n", __FUNCTION__);
 
-   if (!src)
+   irbread = intel_renderbuffer(ctx->ReadBuffer->_ColorReadBuffer);
+   if (!irbread || !irbread->region)
       return GL_FALSE;
+   src = irbread->region;
 
    if (dst) {
       /* XXX This validation should be done by core mesa:
        */
       if (!_mesa_validate_pbo_access(2, pack, width, height, 1,
                                      format, type, pixels)) {
-         _mesa_error(ctx, GL_INVALID_OPERATION, "glDrawPixels");
+         _mesa_error(ctx, GL_INVALID_OPERATION, "glReadPixels");
          return GL_TRUE;
       }
    }
@@ -206,17 +227,18 @@ do_blit_readpixels(GLcontext * ctx,
       return GL_FALSE;
    }
 
-   if (pack->Alignment != 1 || pack->SwapBytes || pack->LsbFirst) {
-      if (INTEL_DEBUG & DEBUG_PIXEL)
-         _mesa_printf("%s: bad packing params\n", __FUNCTION__);
-      return GL_FALSE;
-   }
-
    if (pack->RowLength > 0)
       rowLength = pack->RowLength;
    else
       rowLength = width;
 
+   if (((rowLength * src->cpp) % pack->Alignment) ||
+      pack->SwapBytes || pack->LsbFirst) {
+      if (INTEL_DEBUG & DEBUG_PIXEL)
+         _mesa_printf("%s: bad packing params\n", __FUNCTION__);
+      return GL_FALSE;
+   }
+
    if (pack->Invert) {
       if (INTEL_DEBUG & DEBUG_PIXEL)
          _mesa_printf("%s: MESA_PACK_INVERT not done yet\n", __FUNCTION__);
@@ -230,48 +252,35 @@ do_blit_readpixels(GLcontext * ctx,
    dst_offset = (GLuint) _mesa_image_address(2, pack, pixels, width, height,
                                              format, type, 0, 0, 0);
 
-
-   /* Although the blits go on the command buffer, need to do this and
-    * fire with lock held to guarentee cliprects are correct.
-    */
    intelFlush(&intel->ctx);
-   LOCK_HARDWARE(intel);
 
-   if (intel->driDrawable->numClipRects) {
+   {
+      GLint srcx = x;
+      GLint srcy = irbread->Base.Height - (y + height);
+      GLint srcwidth = width;
+      GLint srcheight = height;
+
       GLboolean all = (width * height * src->cpp == dst->Base.Size &&
                        x == 0 && dst_offset == 0);
 
       struct _DriBufferObject *dst_buffer =
          intel_bufferobj_buffer(intel, dst, all ? INTEL_WRITE_FULL :
                                 INTEL_WRITE_PART);
-      __DRIdrawablePrivate *dPriv = intel->driDrawable;
-      int nbox = dPriv->numClipRects;
-      drm_clip_rect_t *box = dPriv->pClipRects;
-      drm_clip_rect_t rect;
-      drm_clip_rect_t src_rect;
-      int i;
-
-      src_rect.x1 = dPriv->x + x;
-      src_rect.y1 = dPriv->y + dPriv->h - (y + height);
-      src_rect.x2 = src_rect.x1 + width;
-      src_rect.y2 = src_rect.y1 + height;
 
+      /* clip to src region */
+      if (_mesa_clip_to_region(0, 0, irbread->Base.Width - 1,
+				   irbread->Base.Height - 1,
+				   &srcx, &srcy, &srcwidth, &srcheight));
 
-
-      for (i = 0; i < nbox; i++) {
-         if (!intel_intersect_cliprects(&rect, &src_rect, &box[i]))
-            continue;
-
+      {
          intelEmitCopyBlit(intel,
                            src->cpp,
                            src->pitch, src->buffer, 0,
                            rowLength,
                            dst_buffer, dst_offset,
-                           rect.x1,
-                           rect.y1,
-                           rect.x1 - src_rect.x1,
-                           rect.y2 - src_rect.y2,
-                           rect.x2 - rect.x1, rect.y2 - rect.y1,
+                           srcx, srcy,
+                           0, 0,
+                           width, height,
 			   GL_COPY);
       }
 
@@ -279,7 +288,6 @@ do_blit_readpixels(GLcontext * ctx,
       driFenceReference(fence);
 
    }
-   UNLOCK_HARDWARE(intel);
 
    if (fence) {
       driFenceFinish(fence, DRM_FENCE_TYPE_EXE | DRM_I915_FENCE_TYPE_RW, 
diff --git a/src/mesa/drivers/dri/i915tex/intel_render.c b/src/mesa/drivers/dri/i915tex/intel_render.c
index f9fa55051ea..c8b6d308d96 100644
--- a/src/mesa/drivers/dri/i915tex/intel_render.c
+++ b/src/mesa/drivers/dri/i915tex/intel_render.c
@@ -202,6 +202,8 @@ intel_run_render(GLcontext * ctx, struct tnl_pipeline_stage *stage)
    struct vertex_buffer *VB = &tnl->vb;
    GLuint i;
 
+   intel->vtbl.render_prevalidate( intel );
+
    /* Don't handle clipping or indexed vertices.
     */
    if (intel->RenderIndex != 0 ||
diff --git a/src/mesa/drivers/dri/i915tex/intel_screen.c b/src/mesa/drivers/dri/i915tex/intel_screen.c
index 08057a66006..3c0ae854e46 100644
--- a/src/mesa/drivers/dri/i915tex/intel_screen.c
+++ b/src/mesa/drivers/dri/i915tex/intel_screen.c
@@ -88,55 +88,8 @@ intelMapScreenRegions(__DRIscreenPrivate * sPriv)
       _mesa_warning(NULL, "no front buffer handle in intelMapScreenRegions!");
    }
 
-#if 0
-   if (0)
-      _mesa_printf("Back 0x%08x ", intelScreen->back.handle);
-   if (drmMap(sPriv->fd,
-              intelScreen->back.handle,
-              intelScreen->back.size,
-              (drmAddress *) & intelScreen->back.map) != 0) {
-      intelUnmapScreenRegions(intelScreen);
-      return GL_FALSE;
-   }
-
-   if (intelScreen->third.handle) {
-      if (0)
-	 _mesa_printf("Third 0x%08x ", intelScreen->third.handle);
-      if (drmMap(sPriv->fd,
-		 intelScreen->third.handle,
-		 intelScreen->third.size,
-		 (drmAddress *) & intelScreen->third.map) != 0) {
-	 intelUnmapScreenRegions(intelScreen);
-	 return GL_FALSE;
-      }
-   }
-
-   if (0)
-      _mesa_printf("Depth 0x%08x ", intelScreen->depth.handle);
-   if (drmMap(sPriv->fd,
-              intelScreen->depth.handle,
-              intelScreen->depth.size,
-              (drmAddress *) & intelScreen->depth.map) != 0) {
-      intelUnmapScreenRegions(intelScreen);
-      return GL_FALSE;
-   }
-#endif
-
-#if 0
-   _mesa_printf("TEX 0x%08x ", intelScreen->tex.handle);
-   if (drmMap(sPriv->fd,
-              intelScreen->tex.handle,
-              intelScreen->tex.size,
-              (drmAddress *) & intelScreen->tex.map) != 0) {
-      intelUnmapScreenRegions(intelScreen);
-      return GL_FALSE;
-   }
-#endif
    if (0)
-      printf("Mappings:  front: %p  back: %p  third: %p  depth: %p  tex: %p\n",
-             intelScreen->front.map,
-             intelScreen->back.map, intelScreen->third.map,
-             intelScreen->depth.map, intelScreen->tex.map);
+      printf("Mappings:  front: %p\n", intelScreen->front.map);
    return GL_TRUE;
 }
 
@@ -161,15 +114,11 @@ intel_recreate_static(intelScreenPrivate *intelScreen,
 
 
 /* Create intel_region structs to describe the static front,back,depth
- * buffers created by the xserver. 
- *
- * Although FBO's mean we now no longer use these as render targets in
- * all circumstances, they won't go away until the back and depth
- * buffers become private, and the front and rotated buffers will
- * remain even then.
+ * buffers created by the xserver.
+ * Only used for real front buffer now.
  *
  * Note that these don't allocate video memory, just describe
- * allocations alread made by the X server.
+ * allocations already made by the X server.
  */
 static void
 intel_recreate_static_regions(intelScreenPrivate *intelScreen)
@@ -185,51 +134,6 @@ intel_recreate_static_regions(intelScreenPrivate *intelScreen)
 			    intelScreen->front.pitch / intelScreen->cpp,
 			    intelScreen->height);
 
-   intelScreen->rotated_region =
-      intel_recreate_static(intelScreen,
-			    intelScreen->rotated_region,
-			    DRM_BO_FLAG_MEM_TT,
-			    intelScreen->rotated.offset,
-			    intelScreen->rotated.map,
-			    intelScreen->cpp,
-			    intelScreen->rotated.pitch /
-			    intelScreen->cpp, intelScreen->height);
-
-#if 0
-   intelScreen->back_region =
-      intel_recreate_static(intelScreen,
-			    intelScreen->back_region,
-			    DRM_BO_FLAG_MEM_TT,
-			    intelScreen->back.offset,
-			    intelScreen->back.map,
-			    intelScreen->cpp,
-			    intelScreen->back.pitch / intelScreen->cpp,
-			    intelScreen->height);
-
-   if (intelScreen->third.handle) {
-      intelScreen->third_region =
-	 intel_recreate_static(intelScreen,
-			       intelScreen->third_region,
-			       DRM_BO_FLAG_MEM_TT,
-			       intelScreen->third.offset,
-			       intelScreen->third.map,
-			       intelScreen->cpp,
-			       intelScreen->third.pitch / intelScreen->cpp,
-			       intelScreen->height);
-   }
-
-   /* Still assuming front.cpp == depth.cpp
-    */
-   intelScreen->depth_region =
-      intel_recreate_static(intelScreen,
-			    intelScreen->depth_region,
-			    DRM_BO_FLAG_MEM_TT,
-			    intelScreen->depth.offset,
-			    intelScreen->depth.map,
-			    intelScreen->cpp,
-			    intelScreen->depth.pitch / intelScreen->cpp,
-			    intelScreen->height);
-#endif
 }
 
 /**
@@ -261,32 +165,6 @@ intelUnmapScreenRegions(intelScreenPrivate * intelScreen)
 #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->third.map) {
-#if REALLY_UNMAP
-      if (drmUnmap(intelScreen->third.map, intelScreen->third.size) != 0)
-         printf("drmUnmap third failed!\n");
-#endif
-      intelScreen->third.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
-   }
 }
 
 
@@ -297,17 +175,6 @@ intelPrintDRIInfo(intelScreenPrivate * intelScreen,
    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);
 }
 
@@ -355,38 +222,7 @@ intelUpdateScreenFromSAREA(intelScreenPrivate * intelScreen,
    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;
-
-   if (intelScreen->driScrnPriv->ddxMinor >= 8) {
-      intelScreen->third.offset = sarea->third_offset;
-      intelScreen->third.pitch = sarea->pitch * intelScreen->cpp;
-      intelScreen->third.handle = sarea->third_handle;
-      intelScreen->third.size = sarea->third_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;
-   matrix23Rotate(&intelScreen->rotMatrix,
-                  sarea->width, sarea->height, sarea->rotation);
-   intelScreen->rotatedWidth = sarea->virtualX;
-   intelScreen->rotatedHeight = sarea->virtualY;
-
-   if (1)
+   if (0)
       intelPrintSAREA(sarea);
 }
 
@@ -474,10 +310,8 @@ intelInitDriver(__DRIscreenPrivate * sPriv)
 
    switch (gDRIPriv->bitsPerPixel) {
    case 16:
-      intelScreen->fbFormat = DV_PF_565;
       break;
    case 32:
-      intelScreen->fbFormat = DV_PF_8888;
       break;
    default:
       exit(1);
@@ -493,23 +327,6 @@ intelInitDriver(__DRIscreenPrivate * sPriv)
       return GL_FALSE;
    }
 
-#if 0
-
-   /*
-    * FIXME: Remove this code and its references.
-    */
-
-   intelScreen->tex.offset = gDRIPriv->textureOffset;
-   intelScreen->logTextureGranularity = gDRIPriv->logTextureGranularity;
-   intelScreen->tex.handle = gDRIPriv->textures;
-   intelScreen->tex.size = gDRIPriv->textureSize;
-
-#else
-   intelScreen->tex.offset = 0;
-   intelScreen->logTextureGranularity = 0;
-   intelScreen->tex.handle = 0;
-   intelScreen->tex.size = 0;
-#endif
 
    intelScreen->sarea_priv_offset = gDRIPriv->sarea_priv_offset;
 
@@ -587,7 +404,9 @@ intelCreateBuffer(__DRIscreenPrivate * driScrnPriv,
                   __DRIdrawablePrivate * driDrawPriv,
                   const __GLcontextModes * mesaVis, GLboolean isPixmap)
 {
+#if 0
    intelScreenPrivate *screen = (intelScreenPrivate *) driScrnPriv->private;
+#endif
 
    if (isPixmap) {
       return GL_FALSE;          /* not implemented */
@@ -604,105 +423,37 @@ intelCreateBuffer(__DRIscreenPrivate * driScrnPriv,
 
       _mesa_initialize_framebuffer(&intel_fb->Base, mesaVis);
 
-#if 0
-      /* setup the hardware-based renderbuffers */
-      {
-         intel_fb->color_rb[0]
-            = intel_create_renderbuffer(rgbFormat,
-                                        screen->width, screen->height,
-                                        screen->front.offset,
-                                        screen->front.pitch,
-                                        screen->cpp,
-                                        screen->front.map);
-         intel_set_span_functions(&intel_fb->color_rb[0]->Base);
-         _mesa_add_renderbuffer(&intel_fb->Base, BUFFER_FRONT_LEFT,
-				&intel_fb->color_rb[0]->Base);
-      }
-
-      if (mesaVis->doubleBufferMode) {
-         intel_fb->color_rb[1]
-            = intel_create_renderbuffer(rgbFormat,
-                                        screen->width, screen->height,
-                                        screen->back.offset,
-                                        screen->back.pitch,
-                                        screen->cpp,
-                                        screen->back.map);
-         intel_set_span_functions(&intel_fb->color_rb[1]->Base);
-         _mesa_add_renderbuffer(&intel_fb->Base, BUFFER_BACK_LEFT,
-				&intel_fb->color_rb[1]->Base);
-
-	 if (screen->third.handle) {
-	    struct gl_renderbuffer *tmp_rb = NULL;
-
-	    intel_fb->color_rb[2]
-	       = intel_create_renderbuffer(rgbFormat,
-					   screen->width, screen->height,
-					   screen->third.offset,
-					   screen->third.pitch,
-					   screen->cpp,
-					   screen->third.map);
-	    intel_set_span_functions(&intel_fb->color_rb[2]->Base);
-	    _mesa_reference_renderbuffer(&tmp_rb, &intel_fb->color_rb[2]->Base);
-	 }
-      }
-      if (mesaVis->depthBits == 24 && mesaVis->stencilBits == 8) {
-         /* combined depth/stencil buffer */
-         struct intel_renderbuffer *depthStencilRb
-            = intel_create_renderbuffer(GL_DEPTH24_STENCIL8_EXT,
-                                        screen->width, screen->height,
-                                        screen->depth.offset,
-                                        screen->depth.pitch,
-                                        screen->cpp,    /* 4! */
-                                        screen->depth.map);
-         intel_set_span_functions(&depthStencilRb->Base);
-         /* note: bind RB to two attachment points */
-         _mesa_add_renderbuffer(&intel_fb->Base, BUFFER_DEPTH,
-				&depthStencilRb->Base);
-         _mesa_add_renderbuffer(&intel_fb->Base, BUFFER_STENCIL,
-				&depthStencilRb->Base);
-      }
-      else if (mesaVis->depthBits == 16) {
-         /* just 16-bit depth buffer, no hw stencil */
-         struct intel_renderbuffer *depthRb
-            = intel_create_renderbuffer(GL_DEPTH_COMPONENT16,
-                                        screen->width, screen->height,
-                                        screen->depth.offset,
-                                        screen->depth.pitch,
-                                        screen->cpp,    /* 2! */
-                                        screen->depth.map);
-         intel_set_span_functions(&depthRb->Base);
-         _mesa_add_renderbuffer(&intel_fb->Base, BUFFER_DEPTH, &depthRb->Base);
-      }
-
-#else
       {
 	 /* fake frontbuffer */
 	 /* XXX allocation should only happen in the unusual case
             it's actually needed */
          intel_fb->color_rb[0]
-            = intel_new_renderbuffer_fb(NULL, rgbFormat);
+            = intel_new_renderbuffer_fb(rgbFormat);
          _mesa_add_renderbuffer(&intel_fb->Base, BUFFER_FRONT_LEFT,
 				&intel_fb->color_rb[0]->Base);
       }
 
       if (mesaVis->doubleBufferMode) {
          intel_fb->color_rb[1]
-            = intel_new_renderbuffer_fb(NULL, rgbFormat);
+            = intel_new_renderbuffer_fb(rgbFormat);
          _mesa_add_renderbuffer(&intel_fb->Base, BUFFER_BACK_LEFT,
 				&intel_fb->color_rb[1]->Base);
 
+#if 0
 	 if (screen->third.handle) {
 	    struct gl_renderbuffer *tmp_rb = NULL;
 
 	    intel_fb->color_rb[2]
-	       = intel_new_renderbuffer_fb(NULL, rgbFormat);
+	       = intel_new_renderbuffer_fb(rgbFormat);
 	    _mesa_reference_renderbuffer(&tmp_rb, &intel_fb->color_rb[2]->Base);
 	 }
+#endif
       }
+
       if (mesaVis->depthBits == 24 && mesaVis->stencilBits == 8) {
          /* combined depth/stencil buffer */
          struct intel_renderbuffer *depthStencilRb
-            = intel_new_renderbuffer_fb(NULL, GL_DEPTH24_STENCIL8_EXT);
+            = intel_new_renderbuffer_fb(GL_DEPTH24_STENCIL8_EXT);
          /* note: bind RB to two attachment points */
          _mesa_add_renderbuffer(&intel_fb->Base, BUFFER_DEPTH,
 				&depthStencilRb->Base);
@@ -712,11 +463,10 @@ intelCreateBuffer(__DRIscreenPrivate * driScrnPriv,
       else if (mesaVis->depthBits == 16) {
          /* just 16-bit depth buffer, no hw stencil */
          struct intel_renderbuffer *depthRb
-            = intel_new_renderbuffer_fb(NULL, GL_DEPTH_COMPONENT16);
+            = intel_new_renderbuffer_fb(GL_DEPTH_COMPONENT16);
          _mesa_add_renderbuffer(&intel_fb->Base, BUFFER_DEPTH, &depthRb->Base);
       }
 
-#endif
 
       /* now add any/all software-based renderbuffers we may need */
       _mesa_add_soft_renderbuffers(&intel_fb->Base,
@@ -942,7 +692,7 @@ __driCreateNewScreen_20050727(__DRInativeDisplay * dpy, int scrn,
                               __GLcontextModes ** driver_modes)
 {
    __DRIscreenPrivate *psp;
-   static const __DRIversion ddx_expected = { 1, 5, 0 };
+   static const __DRIversion ddx_expected = { 1, 7, 0 };
    static const __DRIversion dri_expected = { 4, 0, 0 };
    static const __DRIversion drm_expected = { 1, 7, 0 };
 
@@ -987,18 +737,19 @@ struct intel_context *intelScreenContext(intelScreenPrivate *intelScreen)
    * context at screen creation. For now just use the current context.
    */
 
-/*  GET_CURRENT_CONTEXT(ctx);
+  GET_CURRENT_CONTEXT(ctx);
   if (ctx == NULL) {
-     _mesa_problem(NULL, "No current context in intelScreenContext\n");
-     return NULL;
+/*     _mesa_problem(NULL, "No current context in intelScreenContext\n");
+     return NULL; */
+     /* need a context for the first time makecurrent is called (for hw lock
+        when allocating priv buffers) */
+     if (intelScreen->dummyctxptr == NULL) {
+        _mesa_problem(NULL, "No current context in intelScreenContext\n");
+        return NULL;
+     }
+     return intelScreen->dummyctxptr;
   }
   return intel_context(ctx);
-*/
-  if (intelScreen->dummyctxptr == NULL) {
-     _mesa_problem(NULL, "No current context in intelScreenContext\n");
-     return NULL;
-  }
-  return intelScreen->dummyctxptr;
 
 }
 
diff --git a/src/mesa/drivers/dri/i915tex/intel_screen.h b/src/mesa/drivers/dri/i915tex/intel_screen.h
index 783ee35524b..8e4e0b9c12f 100644
--- a/src/mesa/drivers/dri/i915tex/intel_screen.h
+++ b/src/mesa/drivers/dri/i915tex/intel_screen.h
@@ -50,17 +50,8 @@ typedef struct
 typedef struct
 {
    intelRegion front;
-   intelRegion back;
-   intelRegion third;
-   intelRegion rotated;
-   intelRegion depth;
-   intelRegion tex;
 
    struct intel_region *front_region;
-   struct intel_region *back_region;
-   struct intel_region *third_region;
-   struct intel_region *depth_region;
-   struct intel_region *rotated_region;
 
    int deviceID;
    int width;
@@ -68,10 +59,6 @@ typedef struct
    int mem;                     /* unused */
 
    int cpp;                     /* for front and back buffers */
-/*    int bitsPerPixel;   */
-   int fbFormat;                /* XXX FBO: this is obsolete - remove after i830 updates */
-
-   int logTextureGranularity;
 
    __DRIscreenPrivate *driScrnPriv;
    unsigned int sarea_priv_offset;
@@ -83,8 +70,6 @@ typedef struct
 
    struct matrix23 rotMatrix;
 
-   int current_rotation;        /* 0, 90, 180 or 270 */
-   int rotatedWidth, rotatedHeight;
 
    /**
    * Configuration cache with default values for all contexts
diff --git a/src/mesa/drivers/dri/i915tex/intel_span.c b/src/mesa/drivers/dri/i915tex/intel_span.c
index ab0874e4fd6..5a978d9ce26 100644
--- a/src/mesa/drivers/dri/i915tex/intel_span.c
+++ b/src/mesa/drivers/dri/i915tex/intel_span.c
@@ -47,30 +47,25 @@
 #define DBG 0
 
 #define LOCAL_VARS							\
-   struct intel_context *intel = intel_context(ctx);			\
    struct intel_renderbuffer *irb = intel_renderbuffer(rb);		\
    const GLint yScale = irb->RenderToTexture ? 1 : -1;			\
    const GLint yBias = irb->RenderToTexture ? 0 : irb->Base.Height - 1;	\
-   GLubyte *buf = (GLubyte *) irb->pfMap				\
-      + (intel->drawY * irb->pfPitch + intel->drawX) * irb->region->cpp;\
+   GLubyte *buf = (GLubyte *) irb->pfMap;				\
    GLuint p;								\
    assert(irb->pfMap);\
    (void) p;
 
-/* XXX FBO: this is identical to the macro in spantmp2.h except we get
- * the cliprect info from the context, not the driDrawable.
- * Move this into spantmp2.h someday.
+/* There is just a single cliploop!
  */
 #define HW_CLIPLOOP()							\
    do {									\
-      int _nc = intel->numClipRects;					\
-      while ( _nc-- ) {							\
-	 int minx = intel->pClipRects[_nc].x1 - intel->drawX;		\
-	 int miny = intel->pClipRects[_nc].y1 - intel->drawY;		\
-	 int maxx = intel->pClipRects[_nc].x2 - intel->drawX;		\
-	 int maxy = intel->pClipRects[_nc].y2 - intel->drawY;
-
+      int minx = 0;							\
+      int miny = 0;							\
+      int maxx = irb->Base.Width - 1;					\
+      int maxy = irb->Base.Height - 1;
 
+#define HW_ENDCLIPLOOP()						\
+   } while (0)
 
 
 #define Y_FLIP(_y) ((_y) * yScale + yBias)
@@ -101,14 +96,11 @@
 
 
 #define LOCAL_DEPTH_VARS						\
-   struct intel_context *intel = intel_context(ctx);			\
    struct intel_renderbuffer *irb = intel_renderbuffer(rb);		\
    const GLuint pitch = irb->pfPitch/***XXX region->pitch*/; /* in pixels */ \
    const GLint yScale = irb->RenderToTexture ? 1 : -1;			\
    const GLint yBias = irb->RenderToTexture ? 0 : irb->Base.Height - 1;	\
-   char *buf = (char *) irb->pfMap/*XXX use region->map*/ +             \
-      (intel->drawY * pitch + intel->drawX) * irb->region->cpp;
-
+   char *buf = (char *) irb->pfMap/*XXX use region->map*/ ;
 
 #define LOCAL_STENCIL_VARS LOCAL_DEPTH_VARS
 
@@ -267,7 +259,7 @@ intel_map_unmap_buffers(struct intel_context *intel, GLboolean map)
    /* depth buffer (Note wrapper!) */
    if (ctx->DrawBuffer->_DepthBuffer) {
       irb = intel_renderbuffer(ctx->DrawBuffer->_DepthBuffer->Wrapped);
-      if (irb && irb->region && irb->Base.Name != 0) {
+      if (irb && irb->region) {
          if (map) {
             intel_region_map(intel->intelScreen, irb->region);
             irb->pfMap = irb->region->map;
@@ -284,7 +276,7 @@ intel_map_unmap_buffers(struct intel_context *intel, GLboolean map)
    /* stencil buffer (Note wrapper!) */
    if (ctx->DrawBuffer->_StencilBuffer) {
       irb = intel_renderbuffer(ctx->DrawBuffer->_StencilBuffer->Wrapped);
-      if (irb && irb->region && irb->Base.Name != 0) {
+      if (irb && irb->region) {
          if (map) {
             intel_region_map(intel->intelScreen, irb->region);
             irb->pfMap = irb->region->map;
diff --git a/src/mesa/drivers/dri/i915tex/intel_state.c b/src/mesa/drivers/dri/i915tex/intel_state.c
index b2773990e4b..5c5f2c6de5c 100644
--- a/src/mesa/drivers/dri/i915tex/intel_state.c
+++ b/src/mesa/drivers/dri/i915tex/intel_state.c
@@ -194,7 +194,7 @@ intelClearColor(GLcontext * ctx, const GLfloat color[4])
  * Update the viewport transformation matrix.  Depends on:
  *  - viewport pos/size
  *  - depthrange
- *  - window pos/size or FBO size
+ *  - window size or FBO size
  */
 static void
 intelCalcViewport(GLcontext * ctx)
diff --git a/src/mesa/drivers/dri/i915tex/intel_tex_copy.c b/src/mesa/drivers/dri/i915tex/intel_tex_copy.c
index b85a25642a2..8d7f8f9d91b 100644
--- a/src/mesa/drivers/dri/i915tex/intel_tex_copy.c
+++ b/src/mesa/drivers/dri/i915tex/intel_tex_copy.c
@@ -101,6 +101,7 @@ do_copy_texsubimage(struct intel_context *intel,
    }
 
    intelFlush(ctx);
+   /* XXX still need the lock ? */
    LOCK_HARDWARE(intel);
    {
       GLuint image_offset = intel_miptree_image_offset(intelImage->mt,
@@ -117,21 +118,11 @@ do_copy_texsubimage(struct intel_context *intel,
          dstx += x - orig_x;
          dsty += y - orig_y;
 
-         if (ctx->ReadBuffer->Name == 0) {
-            /* reading from a window, adjust x, y */
-            __DRIdrawablePrivate *dPriv = intel->driDrawable;
-            GLuint window_y;
-            /* window_y = position of window on screen if y=0=bottom */
-            window_y = intel->intelScreen->height - (dPriv->y + dPriv->h);
-            y = window_y + y;
-            x += dPriv->x;
+         if (!(ctx->ReadBuffer->Name == 0)) {
+	    /* XXX this looks bogus ? */
+	    /* FBO: invert Y */
+	    y = ctx->ReadBuffer->Height - y - 1;
          }
-         else {
-            /* reading from a FBO */
-            /* invert Y */
-            y = ctx->ReadBuffer->Height - y - 1;
-         }
-
 
          /* A bit of fiddling to get the blitter to work with -ve
           * pitches.  But we get a nice inverted blit this way, so it's