1 files changed, 135 insertions, 541 deletions

diff --git a/src/mesa/drivers/dri/intel/intel_span.c b/src/mesa/drivers/dri/intel/intel_span.c
index edede3a74b4..742b1b87350 100644
--- a/src/mesa/drivers/dri/intel/intel_span.c
+++ b/src/mesa/drivers/dri/intel/intel_span.c
@@ -39,224 +39,6 @@
 
 #include "swrast/swrast.h"
 
-static void
-intel_set_span_functions(struct intel_context *intel,
-			 struct gl_renderbuffer *rb);
-
-#define SPAN_CACHE_SIZE		4096
-
-static void
-get_span_cache(struct intel_renderbuffer *irb, uint32_t offset)
-{
-   if (irb->span_cache == NULL) {
-      irb->span_cache = _mesa_malloc(SPAN_CACHE_SIZE);
-      irb->span_cache_offset = -1;
-   }
-
-   if ((offset & ~(SPAN_CACHE_SIZE - 1)) != irb->span_cache_offset) {
-      irb->span_cache_offset = offset & ~(SPAN_CACHE_SIZE - 1);
-      dri_bo_get_subdata(irb->region->buffer, irb->span_cache_offset,
-			 SPAN_CACHE_SIZE, irb->span_cache);
-   }
-}
-
-static void
-clear_span_cache(struct intel_renderbuffer *irb)
-{
-   irb->span_cache_offset = -1;
-}
-
-static uint32_t
-pread_32(struct intel_renderbuffer *irb, uint32_t offset)
-{
-   get_span_cache(irb, offset);
-
-   return *(uint32_t *)(irb->span_cache + (offset & (SPAN_CACHE_SIZE - 1)));
-}
-
-static uint32_t
-pread_xrgb8888(struct intel_renderbuffer *irb, uint32_t offset)
-{
-   get_span_cache(irb, offset);
-
-   return *(uint32_t *)(irb->span_cache + (offset & (SPAN_CACHE_SIZE - 1))) |
-      0xff000000;
-}
-
-static uint16_t
-pread_16(struct intel_renderbuffer *irb, uint32_t offset)
-{
-   get_span_cache(irb, offset);
-
-   return *(uint16_t *)(irb->span_cache + (offset & (SPAN_CACHE_SIZE - 1)));
-}
-
-static uint8_t
-pread_8(struct intel_renderbuffer *irb, uint32_t offset)
-{
-   get_span_cache(irb, offset);
-
-   return *(uint8_t *)(irb->span_cache + (offset & (SPAN_CACHE_SIZE - 1)));
-}
-
-static void
-pwrite_32(struct intel_renderbuffer *irb, uint32_t offset, uint32_t val)
-{
-   clear_span_cache(irb);
-
-   dri_bo_subdata(irb->region->buffer, offset, 4, &val);
-}
-
-static void
-pwrite_xrgb8888(struct intel_renderbuffer *irb, uint32_t offset, uint32_t val)
-{
-   clear_span_cache(irb);
-
-   dri_bo_subdata(irb->region->buffer, offset, 3, &val);
-}
-
-static void
-pwrite_16(struct intel_renderbuffer *irb, uint32_t offset, uint16_t val)
-{
-   clear_span_cache(irb);
-
-   dri_bo_subdata(irb->region->buffer, offset, 2, &val);
-}
-
-static void
-pwrite_8(struct intel_renderbuffer *irb, uint32_t offset, uint8_t val)
-{
-   clear_span_cache(irb);
-
-   dri_bo_subdata(irb->region->buffer, offset, 1, &val);
-}
-
-static uint32_t no_tile_swizzle(struct intel_renderbuffer *irb,
-				struct intel_context *intel,
-				int x, int y)
-{
-	x += intel->drawX;
-	y += intel->drawY;
-
-	return (y * irb->region->pitch + x) * irb->region->cpp;
-}
-
-/*
- * Deal with tiled surfaces
- */
-
-static uint32_t x_tile_swizzle(struct intel_renderbuffer *irb,
-			       struct intel_context *intel,
-			       int x, int y)
-{
-	int	tile_stride;
-	int	xbyte;
-	int	x_tile_off, y_tile_off;
-	int	x_tile_number, y_tile_number;
-	int	tile_off, tile_base;
-	
-	tile_stride = (irb->pfPitch * irb->region->cpp) << 3;
-	
-	x += intel->drawX;
-	y += intel->drawY;
-
-	xbyte = x * irb->region->cpp;
-
-	x_tile_off = xbyte & 0x1ff;
-	y_tile_off = y & 7;
-
-	x_tile_number = xbyte >> 9;
-	y_tile_number = y >> 3;
-
-	tile_off = (y_tile_off << 9) + x_tile_off;
-
-	switch (irb->region->bit_6_swizzle) {
-	case I915_BIT_6_SWIZZLE_NONE:
-	   break;
-	case I915_BIT_6_SWIZZLE_9:
-	   tile_off ^= ((tile_off >> 3) & 64);
-	   break;
-	case I915_BIT_6_SWIZZLE_9_10:
-	   tile_off ^= ((tile_off >> 3) & 64) ^ ((tile_off >> 4) & 64);
-	   break;
-	case I915_BIT_6_SWIZZLE_9_11:
-	   tile_off ^= ((tile_off >> 3) & 64) ^ ((tile_off >> 5) & 64);
-	   break;
-	case I915_BIT_6_SWIZZLE_9_10_11:
-	   tile_off ^= ((tile_off >> 3) & 64) ^ ((tile_off >> 4) & 64) ^
-	      ((tile_off >> 5) & 64);
-	   break;
-	default:
-	   fprintf(stderr, "Unknown tile swizzling mode %d\n",
-		   irb->region->bit_6_swizzle);
-	   exit(1);
-	}
-
-	tile_base = (x_tile_number << 12) + y_tile_number * tile_stride;
-
-#if 0
-	printf("(%d,%d) -> %d + %d = %d (pitch = %d, tstride = %d)\n",
-	       x, y, tile_off, tile_base,
-	       tile_off + tile_base,
-	       irb->pfPitch, tile_stride);
-#endif
-
-	return tile_base + tile_off;
-}
-
-static uint32_t y_tile_swizzle(struct intel_renderbuffer *irb,
-			       struct intel_context *intel,
-			       int x, int y)
-{
-	int	tile_stride;
-	int	xbyte;
-	int	x_tile_off, y_tile_off;
-	int	x_tile_number, y_tile_number;
-	int	tile_off, tile_base;
-	
-	tile_stride = (irb->pfPitch * irb->region->cpp) << 5;
-	
-	x += intel->drawX;
-	y += intel->drawY;
-
-	xbyte = x * irb->region->cpp;
-
-	x_tile_off = xbyte & 0x7f;
-	y_tile_off = y & 0x1f;
-
-	x_tile_number = xbyte >> 7;
-	y_tile_number = y >> 5;
-
-	tile_off = ((x_tile_off & ~0xf) << 5) + (y_tile_off << 4) +
-	   (x_tile_off & 0xf);
-
-	switch (irb->region->bit_6_swizzle) {
-	case I915_BIT_6_SWIZZLE_NONE:
-	   break;
-	case I915_BIT_6_SWIZZLE_9:
-	   tile_off ^= ((tile_off >> 3) & 64);
-	   break;
-	case I915_BIT_6_SWIZZLE_9_10:
-	   tile_off ^= ((tile_off >> 3) & 64) ^ ((tile_off >> 4) & 64);
-	   break;
-	case I915_BIT_6_SWIZZLE_9_11:
-	   tile_off ^= ((tile_off >> 3) & 64) ^ ((tile_off >> 5) & 64);
-	   break;
-	case I915_BIT_6_SWIZZLE_9_10_11:
-	   tile_off ^= ((tile_off >> 3) & 64) ^ ((tile_off >> 4) & 64) ^
-	      ((tile_off >> 5) & 64);
-	   break;
-	default:
-	   fprintf(stderr, "Unknown tile swizzling mode %d\n",
-		   irb->region->bit_6_swizzle);
-	   exit(1);
-	}
-
-	tile_base = (x_tile_number << 12) + y_tile_number * tile_stride;
-
-	return tile_base + tile_off;
-}
-
 /*
   break intelWriteRGBASpan_ARGB8888
 */
@@ -269,7 +51,10 @@ static uint32_t y_tile_swizzle(struct intel_renderbuffer *irb,
    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;\
    GLuint p;								\
+   assert(irb->pfMap);\
    (void) p;
 
 /* XXX FBO: this is identical to the macro in spantmp2.h except we get
@@ -284,14 +69,12 @@ static uint32_t y_tile_swizzle(struct intel_renderbuffer *irb,
 	 int miny = intel->pClipRects[_nc].y1 - intel->drawY;		\
 	 int maxx = intel->pClipRects[_nc].x2 - intel->drawX;		\
 	 int maxy = intel->pClipRects[_nc].y2 - intel->drawY;
-	
-#if 0
-      }}
-#endif
+
+
+
 
 #define Y_FLIP(_y) ((_y) * yScale + yBias)
 
-/* XXX with GEM, these need to tell the kernel */
 #define HW_LOCK()
 
 #define HW_UNLOCK()
@@ -303,8 +86,7 @@ static uint32_t y_tile_swizzle(struct intel_renderbuffer *irb,
 
 #define TAG(x)    intel##x##_RGB565
 #define TAG2(x,y) intel##x##_RGB565##y
-#define GET_VALUE(X, Y) pread_16(irb, no_tile_swizzle(irb, intel, X, Y))
-#define PUT_VALUE(X, Y, V) pwrite_16(irb, no_tile_swizzle(irb, intel, X, Y), V)
+#define GET_PTR(X,Y) (buf + ((Y) * irb->pfPitch + (X)) * 2)
 #include "spantmp2.h"
 
 /* 32 bit, ARGB8888 color spanline and pixel functions
@@ -314,89 +96,17 @@ static uint32_t y_tile_swizzle(struct intel_renderbuffer *irb,
 
 #define TAG(x)    intel##x##_ARGB8888
 #define TAG2(x,y) intel##x##_ARGB8888##y
-#define GET_VALUE(X, Y) pread_32(irb, no_tile_swizzle(irb, intel, X, Y))
-#define PUT_VALUE(X, Y, V) pwrite_32(irb, no_tile_swizzle(irb, intel, X, Y), V)
-#include "spantmp2.h"
-
-/* 32 bit, xRGB8888 color spanline and pixel functions
- */
-#define SPANTMP_PIXEL_FMT GL_BGRA
-#define SPANTMP_PIXEL_TYPE GL_UNSIGNED_INT_8_8_8_8_REV
-
-#define TAG(x)    intel##x##_xRGB8888
-#define TAG2(x,y) intel##x##_xRGB8888##y
-#define GET_VALUE(X, Y) pread_xrgb8888(irb, no_tile_swizzle(irb, intel, X, Y))
-#define PUT_VALUE(X, Y, V) pwrite_xrgb8888(irb, no_tile_swizzle(irb, intel, X, Y), V)
-#include "spantmp2.h"
-
-/* 16 bit RGB565 color tile spanline and pixel functions
- */
-
-#define SPANTMP_PIXEL_FMT GL_RGB
-#define SPANTMP_PIXEL_TYPE GL_UNSIGNED_SHORT_5_6_5
-
-#define TAG(x)    intel_XTile_##x##_RGB565
-#define TAG2(x,y) intel_XTile_##x##_RGB565##y
-#define GET_VALUE(X, Y) pread_16(irb, x_tile_swizzle(irb, intel, X, Y))
-#define PUT_VALUE(X, Y, V) pwrite_16(irb, x_tile_swizzle(irb, intel, X, Y), V)
-#include "spantmp2.h"
-
-#define SPANTMP_PIXEL_FMT GL_RGB
-#define SPANTMP_PIXEL_TYPE GL_UNSIGNED_SHORT_5_6_5
-
-#define TAG(x)    intel_YTile_##x##_RGB565
-#define TAG2(x,y) intel_YTile_##x##_RGB565##y
-#define GET_VALUE(X, Y) pread_16(irb, y_tile_swizzle(irb, intel, X, Y))
-#define PUT_VALUE(X, Y, V) pwrite_16(irb, y_tile_swizzle(irb, intel, X, Y), V)
-#include "spantmp2.h"
-
-/* 32 bit ARGB888 color tile spanline and pixel functions
- */
-
-#define SPANTMP_PIXEL_FMT GL_BGRA
-#define SPANTMP_PIXEL_TYPE GL_UNSIGNED_INT_8_8_8_8_REV
-
-#define TAG(x)    intel_XTile_##x##_ARGB8888
-#define TAG2(x,y) intel_XTile_##x##_ARGB8888##y
-#define GET_VALUE(X, Y) pread_32(irb, x_tile_swizzle(irb, intel, X, Y))
-#define PUT_VALUE(X, Y, V) pwrite_32(irb, x_tile_swizzle(irb, intel, X, Y), V)
-#include "spantmp2.h"
-
-#define SPANTMP_PIXEL_FMT GL_BGRA
-#define SPANTMP_PIXEL_TYPE GL_UNSIGNED_INT_8_8_8_8_REV
-
-#define TAG(x)    intel_YTile_##x##_ARGB8888
-#define TAG2(x,y) intel_YTile_##x##_ARGB8888##y
-#define GET_VALUE(X, Y) pread_32(irb, y_tile_swizzle(irb, intel, X, Y))
-#define PUT_VALUE(X, Y, V) pwrite_32(irb, y_tile_swizzle(irb, intel, X, Y), V)
-#include "spantmp2.h"
-
-/* 32 bit xRGB888 color tile spanline and pixel functions
- */
-
-#define SPANTMP_PIXEL_FMT GL_BGRA
-#define SPANTMP_PIXEL_TYPE GL_UNSIGNED_INT_8_8_8_8_REV
-
-#define TAG(x)    intel_XTile_##x##_xRGB8888
-#define TAG2(x,y) intel_XTile_##x##_xRGB8888##y
-#define GET_VALUE(X, Y) pread_xrgb8888(irb, x_tile_swizzle(irb, intel, X, Y))
-#define PUT_VALUE(X, Y, V) pwrite_xrgb8888(irb, x_tile_swizzle(irb, intel, X, Y), V)
-#include "spantmp2.h"
-
-#define SPANTMP_PIXEL_FMT GL_BGRA
-#define SPANTMP_PIXEL_TYPE GL_UNSIGNED_INT_8_8_8_8_REV
-
-#define TAG(x)    intel_YTile_##x##_xRGB8888
-#define TAG2(x,y) intel_YTile_##x##_xRGB8888##y
-#define GET_VALUE(X, Y) pread_xrgb8888(irb, y_tile_swizzle(irb, intel, X, Y))
-#define PUT_VALUE(X, Y, V) pwrite_xrgb8888(irb, y_tile_swizzle(irb, intel, X, Y), V)
+#define GET_PTR(X,Y) (buf + ((Y) * irb->pfPitch + (X)) * 4)
 #include "spantmp2.h"
 
 #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;
+   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;
 
 
 #define LOCAL_STENCIL_VARS LOCAL_DEPTH_VARS
@@ -405,34 +115,15 @@ static uint32_t y_tile_swizzle(struct intel_renderbuffer *irb,
  ** 16-bit depthbuffer functions.
  **/
 #define VALUE_TYPE GLushort
-#define WRITE_DEPTH(_x, _y, d) \
-   pwrite_16(irb, no_tile_swizzle(irb, intel, _x, _y), d)
-#define READ_DEPTH(d, _x, _y) \
-   d = pread_16(irb, no_tile_swizzle(irb, intel, _x, _y))
-#define TAG(x) intel##x##_z16
-#include "depthtmp.h"
 
+#define WRITE_DEPTH( _x, _y, d ) \
+   ((GLushort *)buf)[(_x) + (_y) * pitch] = d;
 
-/**
- ** 16-bit x tile depthbuffer functions.
- **/
-#define VALUE_TYPE GLushort
-#define WRITE_DEPTH(_x, _y, d) \
-   pwrite_16(irb, x_tile_swizzle(irb, intel, _x, _y), d)
-#define READ_DEPTH(d, _x, _y) \
-   d = pread_16(irb, x_tile_swizzle(irb, intel, _x, _y))
-#define TAG(x) intel_XTile_##x##_z16
-#include "depthtmp.h"
+#define READ_DEPTH( d, _x, _y )	\
+   d = ((GLushort *)buf)[(_x) + (_y) * pitch];
 
-/**
- ** 16-bit y tile depthbuffer functions.
- **/
-#define VALUE_TYPE GLushort
-#define WRITE_DEPTH(_x, _y, d) \
-   pwrite_16(irb, y_tile_swizzle(irb, intel, _x, _y), d)
-#define READ_DEPTH(d, _x, _y) \
-   d = pread_16(irb, y_tile_swizzle(irb, intel, _x, _y))
-#define TAG(x) intel_YTile_##x##_z16
+
+#define TAG(x) intel##x##_z16
 #include "depthtmp.h"
 
 
@@ -445,129 +136,38 @@ static uint32_t y_tile_swizzle(struct intel_renderbuffer *irb,
 #define VALUE_TYPE GLuint
 
 /* Change ZZZS -> SZZZ */
-#define WRITE_DEPTH(_x, _y, d)					\
-   pwrite_32(irb, no_tile_swizzle(irb, intel, _x, _y),		\
-	     ((d) >> 8) | ((d) << 24))
-
-/* Change SZZZ -> ZZZS */
-#define READ_DEPTH( d, _x, _y ) {				\
-   GLuint tmp = pread_32(irb, no_tile_swizzle(irb, intel, _x, _y));	\
-   d = (tmp << 8) | (tmp >> 24);				\
+#define WRITE_DEPTH( _x, _y, d ) {				\
+   GLuint tmp = ((d) >> 8) | ((d) << 24);			\
+   ((GLuint *)buf)[(_x) + (_y) * pitch] = tmp;			\
 }
 
-#define TAG(x) intel##x##_z24_s8
-#include "depthtmp.h"
-
-
-/**
- ** 24/8-bit x-tile interleaved depth/stencil functions
- ** Note: we're actually reading back combined depth+stencil values.
- ** The wrappers in main/depthstencil.c are used to extract the depth
- ** and stencil values.
- **/
-#define VALUE_TYPE GLuint
-
-/* Change ZZZS -> SZZZ */
-#define WRITE_DEPTH(_x, _y, d)					\
-   pwrite_32(irb, x_tile_swizzle(irb, intel, _x, _y),		\
-	     ((d) >> 8) | ((d) << 24))				\
-
 /* Change SZZZ -> ZZZS */
 #define READ_DEPTH( d, _x, _y ) {				\
-   GLuint tmp = pread_32(irb, x_tile_swizzle(irb, intel, _x, _y));	\
+   GLuint tmp = ((GLuint *)buf)[(_x) + (_y) * pitch];		\
    d = (tmp << 8) | (tmp >> 24);				\
 }
 
-#define TAG(x) intel_XTile_##x##_z24_s8
-#include "depthtmp.h"
-
-/**
- ** 24/8-bit y-tile interleaved depth/stencil functions
- ** Note: we're actually reading back combined depth+stencil values.
- ** The wrappers in main/depthstencil.c are used to extract the depth
- ** and stencil values.
- **/
-#define VALUE_TYPE GLuint
-
-/* Change ZZZS -> SZZZ */
-#define WRITE_DEPTH(_x, _y, d)					\
-   pwrite_32(irb, y_tile_swizzle(irb, intel, _x, _y),		\
-	     ((d) >> 8) | ((d) << 24))
-
-/* Change SZZZ -> ZZZS */
-#define READ_DEPTH( d, _x, _y ) {				\
-   GLuint tmp = pread_32(irb, y_tile_swizzle(irb, intel, _x, _y));	\
-   d = (tmp << 8) | (tmp >> 24);				\
-}
-
-#define TAG(x) intel_YTile_##x##_z24_s8
+#define TAG(x) intel##x##_z24_s8
 #include "depthtmp.h"
 
 
 /**
  ** 8-bit stencil function (XXX FBO: This is obsolete)
  **/
-#define WRITE_STENCIL(_x, _y, d)				\
-   pwrite_8(irb, no_tile_swizzle(irb, intel, _x, _y) + 3, d)
+#define WRITE_STENCIL( _x, _y, d ) {				\
+   GLuint tmp = ((GLuint *)buf)[(_x) + (_y) * pitch];		\
+   tmp &= 0xffffff;						\
+   tmp |= ((d) << 24);						\
+   ((GLuint *) buf)[(_x) + (_y) * pitch] = tmp;			\
+}
 
-#define READ_STENCIL(d, _x, _y)					\
-   d = pread_8(irb, no_tile_swizzle(irb, intel, _x, _y) + 3);
+#define READ_STENCIL( d, _x, _y )				\
+   d = ((GLuint *)buf)[(_x) + (_y) * pitch] >> 24;
 
 #define TAG(x) intel##x##_z24_s8
 #include "stenciltmp.h"
 
-/**
- ** 8-bit x-tile stencil function (XXX FBO: This is obsolete)
- **/
-#define WRITE_STENCIL(_x, _y, d)				\
-   pwrite_8(irb, x_tile_swizzle(irb, intel, _x, _y) + 3, d)
 
-#define READ_STENCIL(d, _x, _y)					\
-   d = pread_8(irb, x_tile_swizzle(irb, intel, _x, _y) + 3);
-
-#define TAG(x) intel_XTile_##x##_z24_s8
-#include "stenciltmp.h"
-
-/**
- ** 8-bit y-tile stencil function (XXX FBO: This is obsolete)
- **/
-#define WRITE_STENCIL(_x, _y, d)				\
-   pwrite_8(irb, y_tile_swizzle(irb, intel, _x, _y) + 3, d)
-
-#define READ_STENCIL(d, _x, _y)					\
-   d = pread_8(irb, y_tile_swizzle(irb, intel, _x, _y) + 3)
-
-#define TAG(x) intel_YTile_##x##_z24_s8
-#include "stenciltmp.h"
-
-void
-intel_renderbuffer_map(struct intel_context *intel, struct gl_renderbuffer *rb)
-{
-   struct intel_renderbuffer *irb = intel_renderbuffer(rb);
-
-   if (irb == NULL || irb->region == NULL)
-      return;
-
-   irb->pfPitch = irb->region->pitch;
-
-   intel_set_span_functions(intel, rb);
-}
-
-void
-intel_renderbuffer_unmap(struct intel_context *intel,
-			 struct gl_renderbuffer *rb)
-{
-   struct intel_renderbuffer *irb = intel_renderbuffer(rb);
-
-   if (irb == NULL || irb->region == NULL)
-      return;
-
-   clear_span_cache(irb);
-   irb->pfPitch = 0;
-
-   rb->GetRow = NULL;
-   rb->PutRow = NULL;
-}
 
 /**
  * Map or unmap all the renderbuffers which we may need during
@@ -586,13 +186,23 @@ intel_map_unmap_buffers(struct intel_context *intel, GLboolean map)
 {
    GLcontext *ctx = &intel->ctx;
    GLuint i, j;
+   struct intel_renderbuffer *irb;
 
    /* color draw buffers */
    for (j = 0; j < ctx->DrawBuffer->_NumColorDrawBuffers; j++) {
-      if (map)
-	 intel_renderbuffer_map(intel, ctx->DrawBuffer->_ColorDrawBuffers[j]);
-      else
-	 intel_renderbuffer_unmap(intel, ctx->DrawBuffer->_ColorDrawBuffers[j]);
+      struct gl_renderbuffer *rb = ctx->DrawBuffer->_ColorDrawBuffers[j];
+      irb = intel_renderbuffer(rb);
+      if (irb) {
+         /* this is a user-created intel_renderbuffer */
+         if (irb->region) {
+            if (map)
+               intel_region_map(intel, irb->region);
+            else
+               intel_region_unmap(intel, irb->region);
+            irb->pfMap = irb->region->map;
+            irb->pfPitch = irb->region->pitch;
+         }
+      }
    }
 
    /* check for render to textures */
@@ -615,28 +225,77 @@ intel_map_unmap_buffers(struct intel_context *intel, GLboolean map)
    }
 
    /* color read buffers */
-   if (map)
-      intel_renderbuffer_map(intel, ctx->ReadBuffer->_ColorReadBuffer);
-   else
-      intel_renderbuffer_unmap(intel, ctx->ReadBuffer->_ColorReadBuffer);
+   irb = intel_renderbuffer(ctx->ReadBuffer->_ColorReadBuffer);
+   if (irb && irb->region) {
+      if (map)
+         intel_region_map(intel, irb->region);
+      else
+         intel_region_unmap(intel, irb->region);
+      irb->pfMap = irb->region->map;
+      irb->pfPitch = irb->region->pitch;
+   }
+
+   /* Account for front/back color page flipping.
+    * The span routines use the pfMap and pfPitch fields which will
+    * swap the front/back region map/pitch if we're page flipped.
+    * Do this after mapping, above, so the map field is valid.
+    */
+#if 0
+   if (map && ctx->DrawBuffer->Name == 0) {
+      struct intel_renderbuffer *irbFront
+         = intel_get_renderbuffer(ctx->DrawBuffer, BUFFER_FRONT_LEFT);
+      struct intel_renderbuffer *irbBack
+         = intel_get_renderbuffer(ctx->DrawBuffer, BUFFER_BACK_LEFT);
+      if (irbBack) {
+         /* double buffered */
+         if (intel->sarea->pf_current_page == 0) {
+            irbFront->pfMap = irbFront->region->map;
+            irbFront->pfPitch = irbFront->region->pitch;
+            irbBack->pfMap = irbBack->region->map;
+            irbBack->pfPitch = irbBack->region->pitch;
+         }
+         else {
+            irbFront->pfMap = irbBack->region->map;
+            irbFront->pfPitch = irbBack->region->pitch;
+            irbBack->pfMap = irbFront->region->map;
+            irbBack->pfPitch = irbFront->region->pitch;
+         }
+      }
+   }
+#endif
 
    /* depth buffer (Note wrapper!) */
    if (ctx->DrawBuffer->_DepthBuffer) {
-      if (map)
-	 intel_renderbuffer_map(intel, ctx->DrawBuffer->_DepthBuffer->Wrapped);
-      else
-	 intel_renderbuffer_unmap(intel,
-				  ctx->DrawBuffer->_DepthBuffer->Wrapped);
+      irb = intel_renderbuffer(ctx->DrawBuffer->_DepthBuffer->Wrapped);
+      if (irb && irb->region) {
+         if (map) {
+            intel_region_map(intel, irb->region);
+            irb->pfMap = irb->region->map;
+            irb->pfPitch = irb->region->pitch;
+         }
+         else {
+            intel_region_unmap(intel, irb->region);
+            irb->pfMap = irb->region->map;
+            irb->pfPitch = irb->region->pitch;
+         }
+      }
    }
 
    /* stencil buffer (Note wrapper!) */
    if (ctx->DrawBuffer->_StencilBuffer) {
-      if (map)
-	 intel_renderbuffer_map(intel,
-				ctx->DrawBuffer->_StencilBuffer->Wrapped);
-      else
-	 intel_renderbuffer_unmap(intel,
-				  ctx->DrawBuffer->_StencilBuffer->Wrapped);
+      irb = intel_renderbuffer(ctx->DrawBuffer->_StencilBuffer->Wrapped);
+      if (irb && irb->region) {
+         if (map) {
+            intel_region_map(intel, irb->region);
+            irb->pfMap = irb->region->map;
+            irb->pfPitch = irb->region->pitch;
+         }
+         else {
+            intel_region_unmap(intel, irb->region);
+            irb->pfMap = irb->region->map;
+            irb->pfPitch = irb->region->pitch;
+         }
+      }
    }
 }
 
@@ -654,9 +313,18 @@ intelSpanRenderStart(GLcontext * ctx)
    struct intel_context *intel = intel_context(ctx);
    GLuint i;
 
-   intelFlush(&intel->ctx);
+   intelFinish(&intel->ctx);
    LOCK_HARDWARE(intel);
 
+#if 0
+   /* Just map the framebuffer and all textures.  Bufmgr code will
+    * take care of waiting on the necessary fences:
+    */
+   intel_region_map(intel, intel->front_region);
+   intel_region_map(intel, intel->back_region);
+   intel_region_map(intel, intel->depth_region);
+#endif
+
    for (i = 0; i < ctx->Const.MaxTextureCoordUnits; i++) {
       if (ctx->Texture.Unit[i]._ReallyEnabled) {
          struct gl_texture_object *texObj = ctx->Texture.Unit[i]._Current;
@@ -679,6 +347,14 @@ intelSpanRenderFinish(GLcontext * ctx)
 
    _swrast_flush(ctx);
 
+   /* Now unmap the framebuffer:
+    */
+#if 0
+   intel_region_unmap(intel, intel->front_region);
+   intel_region_unmap(intel, intel->back_region);
+   intel_region_unmap(intel, intel->depth_region);
+#endif
+
    for (i = 0; i < ctx->Const.MaxTextureCoordUnits; i++) {
       if (ctx->Texture.Unit[i]._ReallyEnabled) {
          struct gl_texture_object *texObj = ctx->Texture.Unit[i]._Current;
@@ -705,108 +381,26 @@ intelInitSpanFuncs(GLcontext * ctx)
  * Plug in appropriate span read/write functions for the given renderbuffer.
  * These are used for the software fallbacks.
  */
-static void
-intel_set_span_functions(struct intel_context *intel,
-			 struct gl_renderbuffer *rb)
+void
+intel_set_span_functions(struct gl_renderbuffer *rb)
 {
-   struct intel_renderbuffer *irb = (struct intel_renderbuffer *) rb;
-   uint32_t tiling;
-
-   /* If in GEM mode, we need to do the tile address swizzling ourselves,
-    * instead of the fence registers handling it.
-    */
-   if (intel->ttm)
-      tiling = irb->region->tiling;
-   else
-      tiling = I915_TILING_NONE;
-
    if (rb->_ActualFormat == GL_RGB5) {
       /* 565 RGB */
-      switch (tiling) {
-      case I915_TILING_NONE:
-      default:
-	 intelInitPointers_RGB565(rb);
-	 break;
-      case I915_TILING_X:
-	 intel_XTile_InitPointers_RGB565(rb);
-	 break;
-      case I915_TILING_Y:
-	 intel_YTile_InitPointers_RGB565(rb);
-	 break;
-      }
-   }
-   else if (rb->_ActualFormat == GL_RGB8) {
-      /* 8888 RGBx */
-      switch (tiling) {
-      case I915_TILING_NONE:
-      default:
-	 intelInitPointers_xRGB8888(rb);
-	 break;
-      case I915_TILING_X:
-	 intel_XTile_InitPointers_xRGB8888(rb);
-	 break;
-      case I915_TILING_Y:
-	 intel_YTile_InitPointers_xRGB8888(rb);
-	 break;
-      }
+      intelInitPointers_RGB565(rb);
    }
    else if (rb->_ActualFormat == GL_RGBA8) {
       /* 8888 RGBA */
-      switch (tiling) {
-      case I915_TILING_NONE:
-      default:
-	 intelInitPointers_ARGB8888(rb);
-	 break;
-      case I915_TILING_X:
-	 intel_XTile_InitPointers_ARGB8888(rb);
-	 break;
-      case I915_TILING_Y:
-	 intel_YTile_InitPointers_ARGB8888(rb);
-	 break;
-      }
+      intelInitPointers_ARGB8888(rb);
    }
    else if (rb->_ActualFormat == GL_DEPTH_COMPONENT16) {
-      switch (tiling) {
-      case I915_TILING_NONE:
-      default:
-	 intelInitDepthPointers_z16(rb);
-	 break;
-      case I915_TILING_X:
-	 intel_XTile_InitDepthPointers_z16(rb);
-	 break;
-      case I915_TILING_Y:
-	 intel_YTile_InitDepthPointers_z16(rb);
-	 break;
-      }
+      intelInitDepthPointers_z16(rb);
    }
    else if (rb->_ActualFormat == GL_DEPTH_COMPONENT24 ||        /* XXX FBO remove */
             rb->_ActualFormat == GL_DEPTH24_STENCIL8_EXT) {
-      switch (tiling) {
-      case I915_TILING_NONE:
-      default:
-	 intelInitDepthPointers_z24_s8(rb);
-	 break;
-      case I915_TILING_X:
-	 intel_XTile_InitDepthPointers_z24_s8(rb);
-	 break;
-      case I915_TILING_Y:
-	 intel_YTile_InitDepthPointers_z24_s8(rb);
-	 break;
-      }
+      intelInitDepthPointers_z24_s8(rb);
    }
-   else if (rb->_ActualFormat == GL_STENCIL_INDEX8_EXT) {
-      switch (tiling) {
-      case I915_TILING_NONE:
-      default:
-	 intelInitStencilPointers_z24_s8(rb);
-	 break;
-      case I915_TILING_X:
-	 intel_XTile_InitStencilPointers_z24_s8(rb);
-	 break;
-      case I915_TILING_Y:
-	 intel_YTile_InitStencilPointers_z24_s8(rb);
-	 break;
-      }
+   else if (rb->_ActualFormat == GL_STENCIL_INDEX8_EXT) {       /* XXX FBO remove */
+      intelInitStencilPointers_z24_s8(rb);
    }
    else {
       _mesa_problem(NULL,