[965] Use shared intel_regions.c.

This adds (so far) unused PBO functions, and holding the lock while writing
to regions (which may be shared static screen regions).

9 files changed, 29 insertions, 478 deletions

diff --git a/src/mesa/drivers/dri/i965/brw_vtbl.c b/src/mesa/drivers/dri/i965/brw_vtbl.c
index 45e1b7235d..2bc8849867 100644
--- a/src/mesa/drivers/dri/i965/brw_vtbl.c
+++ b/src/mesa/drivers/dri/i965/brw_vtbl.c
@@ -75,8 +75,8 @@ static void brw_set_draw_region( struct intel_context *intel,
 {
    struct brw_context *brw = brw_context(&intel->ctx);
 
-   intel_region_release(intel, &brw->state.draw_region);
-   intel_region_release(intel, &brw->state.depth_region);
+   intel_region_release(&brw->state.draw_region);
+   intel_region_release(&brw->state.depth_region);
    intel_region_reference(&brw->state.draw_region, draw_region);
    intel_region_reference(&brw->state.depth_region, depth_region);
 }
diff --git a/src/mesa/drivers/dri/i965/intel_buffer_objects.h b/src/mesa/drivers/dri/i965/intel_buffer_objects.h
index a80f448716..f2077567bc 100644
--- a/src/mesa/drivers/dri/i965/intel_buffer_objects.h
+++ b/src/mesa/drivers/dri/i965/intel_buffer_objects.h
@@ -40,6 +40,10 @@ struct gl_buffer_object;
 struct intel_buffer_object {
    struct gl_buffer_object Base;
    dri_bo *buffer;   /* the low-level buffer manager's buffer handle */
+
+   struct intel_region *region; /* Is there a zero-copy texture
+                                   associated with this (pixel)
+                                   buffer object? */
 };
 
 
diff --git a/src/mesa/drivers/dri/i965/intel_buffers.c b/src/mesa/drivers/dri/i965/intel_buffers.c
index 2567b36120..6af53374b5 100644
--- a/src/mesa/drivers/dri/i965/intel_buffers.c
+++ b/src/mesa/drivers/dri/i965/intel_buffers.c
@@ -556,12 +556,12 @@ static void intelDrawBuffer(GLcontext *ctx, GLenum mode )
 
    if (front) {
       if (intel->draw_region != intel->front_region) {
-	 intel_region_release(intel, &intel->draw_region);
+	 intel_region_release(&intel->draw_region);
 	 intel_region_reference(&intel->draw_region, intel->front_region);
       }
    } else {
       if (intel->draw_region != intel->back_region) {
-	 intel_region_release(intel, &intel->draw_region);
+	 intel_region_release(&intel->draw_region);
 	 intel_region_reference(&intel->draw_region, intel->back_region);
       }
    }
diff --git a/src/mesa/drivers/dri/i965/intel_context.c b/src/mesa/drivers/dri/i965/intel_context.c
index 1277dd15aa..6b397ed03d 100644
--- a/src/mesa/drivers/dri/i965/intel_context.c
+++ b/src/mesa/drivers/dri/i965/intel_context.c
@@ -616,10 +616,10 @@ void intelDestroyContext(__DRIcontextPrivate *driContextPriv)
        * buffers:
        */
 #if 0
-      intel_region_release(intel, &intel->front_region);
-      intel_region_release(intel, &intel->back_region);
-      intel_region_release(intel, &intel->depth_region);
-      intel_region_release(intel, &intel->draw_region);
+      intel_region_release(&intel->front_region);
+      intel_region_release(&intel->back_region);
+      intel_region_release(&intel->depth_region);
+      intel_region_release(&intel->draw_region);
 #endif
 
       /* free the Mesa context */
diff --git a/src/mesa/drivers/dri/i965/intel_context.h b/src/mesa/drivers/dri/i965/intel_context.h
index 17612acdaf..c1ad504af4 100644
--- a/src/mesa/drivers/dri/i965/intel_context.h
+++ b/src/mesa/drivers/dri/i965/intel_context.h
@@ -63,7 +63,9 @@ typedef void (*intel_point_func)(struct intel_context *, intelVertex *);
 extern void intelFallback( struct intel_context *intel, GLuint bit, GLboolean mode );
 #define FALLBACK( intel, bit, mode ) intelFallback( intel, bit, mode )
 
-
+#define INTEL_WRITE_PART  0x1
+#define INTEL_WRITE_FULL  0x2
+#define INTEL_READ        0x4
 
 struct intel_texture_object
 {
diff --git a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
index edca84c64e..8cc54703e3 100644
--- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
+++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
@@ -119,7 +119,7 @@ void intel_miptree_destroy( struct intel_context *intel,
    if (mt) {
       GLuint i;
 
-      intel_region_release(intel, &(mt->region));
+      intel_region_release(&mt->region);
 
       for (i = 0; i < MAX_TEXTURE_LEVELS; i++)
 	 if (mt->level[i].image_offset)
@@ -242,17 +242,16 @@ GLboolean intel_miptree_image_data(struct intel_context *intel,
 
    DBG("%s\n", __FUNCTION__);
    for (i = 0; i < depth; i++) {
-      if (!intel_region_data(intel,
-			     dst->region, 
-			     dst_offset + dst_depth_offset[i],
-			     0,
-			     0,
-			     src,
-			     src_row_pitch,
-			     0, 0,	/* source x,y */
-			     width,
-			     height))
-	 return GL_FALSE;
+      intel_region_data(intel,
+			dst->region,
+			dst_offset + dst_depth_offset[i],
+			0,
+			0,
+			src,
+			src_row_pitch,
+			0, 0,	/* source x,y */
+			width,
+			height);
       src += src_image_pitch;
    }
    return GL_TRUE;
diff --git a/src/mesa/drivers/dri/i965/intel_regions.c b/src/mesa/drivers/dri/i965/intel_regions.c
index feaecbc754..89b2f15c10 100644..120000
--- a/src/mesa/drivers/dri/i965/intel_regions.c
+++ b/src/mesa/drivers/dri/i965/intel_regions.c
@@ -1,305 +1 @@
-/**************************************************************************
- * 
- * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- * 
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- * 
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- * 
- **************************************************************************/
-
-/* Provide additional functionality on top of bufmgr buffers:
- *   - 2d semantics and blit operations
- *   - refcounting of buffers for multiple images in a buffer.
- *   - refcounting of buffer mappings.
- *   - some logic for moving the buffers to the best memory pools for
- *     given operations.
- *
- * Most of this is to make it easier to implement the fixed-layout
- * mipmap tree required by intel hardware in the face of GL's
- * programming interface where each image can be specifed in random
- * order and it isn't clear what layout the tree should have until the
- * last moment.
- */
-
-#include "intel_context.h"
-#include "intel_regions.h"
-#include "intel_blit.h"
-#include "dri_bufmgr.h"
-#include "intel_bufmgr_ttm.h"
-#include "imports.h"
-
-#define FILE_DEBUG_FLAG DEBUG_REGION
-
-/* XXX: Thread safety?
- */
-GLubyte *intel_region_map(struct intel_context *intel, struct intel_region *region)
-{
-   DBG("%s\n", __FUNCTION__);
-   if (!region->map_refcount++) {
-      dri_bo_map(region->buffer, GL_TRUE);
-      region->map = region->buffer->virtual;
-   }
-
-   return region->map;
-}
-
-void intel_region_unmap(struct intel_context *intel, 
-			struct intel_region *region)
-{
-   DBG("%s\n", __FUNCTION__);
-   if (!--region->map_refcount) {
-      dri_bo_unmap(region->buffer);
-      region->map = NULL;
-   }
-}
-
-struct intel_region *intel_region_alloc( struct intel_context *intel, 
-					 GLuint cpp,
-					 GLuint pitch, 
-					 GLuint height )
-{
-   struct intel_region *region = calloc(sizeof(*region), 1);
-
-   DBG("%s %dx%dx%d == 0x%x bytes\n", __FUNCTION__,
-       cpp, pitch, height, cpp*pitch*height);
-
-   region->cpp = cpp;
-   region->pitch = pitch;
-   region->height = height; 	/* needed? */
-   region->refcount = 1;
-
-   region->buffer = dri_bo_alloc(intel->bufmgr, "region",
-				 pitch * cpp * height, 64, DRM_BO_FLAG_MEM_TT);
-
-   return region;
-}
-
-void intel_region_reference( struct intel_region **dst,
-			     struct intel_region *src)
-{
-   src->refcount++;
-   assert(*dst == NULL);
-   *dst = src;
-}
-
-void intel_region_release( struct intel_context *intel,
-			   struct intel_region **region )
-{
-   if (!*region)
-      return;
-
-   DBG("%s %d\n", __FUNCTION__, (*region)->refcount-1);
-   
-   if (--(*region)->refcount == 0) {
-      assert((*region)->map_refcount == 0);
-      dri_bo_unreference((*region)->buffer);
-      free(*region);
-   }
-   *region = NULL;
-}
-
-void _mesa_copy_rect( GLubyte *dst,
-		      GLuint cpp,
-		      GLuint dst_pitch,
-		      GLuint dst_x, 
-		      GLuint dst_y,
-		      GLuint width,
-		      GLuint height,
-		      const GLubyte *src,
-		      GLuint src_pitch,
-		      GLuint src_x,
-		      GLuint src_y )
-{
-   GLuint i;
-
-   dst_pitch *= cpp;
-   src_pitch *= cpp;
-   dst += dst_x * cpp;
-   src += src_x * cpp;
-   dst += dst_y * dst_pitch;
-   src += src_y * dst_pitch;
-   width *= cpp;
-
-   if (width == dst_pitch && 
-       width == src_pitch)
-      do_memcpy(dst, src, height * width);
-   else {
-      for (i = 0; i < height; i++) {
-	 do_memcpy(dst, src, width);
-	 dst += dst_pitch;
-	 src += src_pitch;
-      }
-   }
-}
-
-
-/* Upload data to a rectangular sub-region.  Lots of choices how to do this:
- *
- * - memcpy by span to current destination
- * - upload data as new buffer and blit
- *
- * Currently always memcpy.
- */
-GLboolean intel_region_data(struct intel_context *intel, 
-			    struct intel_region *dst,
-			    GLuint dst_offset,
-			    GLuint dstx, GLuint dsty,
-			    const void *src, GLuint src_pitch,
-			    GLuint srcx, GLuint srcy,
-			    GLuint width, GLuint height)
-{
-   DBG("%s\n", __FUNCTION__);
-
-   assert (dst_offset + dstx + width +
-	   (dsty + height - 1) * dst->pitch * dst->cpp <=
-	   dst->pitch * dst->cpp * dst->height);
-
-   _mesa_copy_rect(intel_region_map(intel, dst) + dst_offset,
-                   dst->cpp,
-                   dst->pitch,
-                   dstx, dsty, width, height, src, src_pitch, srcx, srcy);
-   intel_region_unmap(intel, dst);
-
-   return GL_TRUE;
-}
-			  
-/* Copy rectangular sub-regions. Need better logic about when to
- * push buffers into AGP - will currently do so whenever possible.
- */
-void intel_region_copy( struct intel_context *intel,
-			struct intel_region *dst,
-			GLuint dst_offset,
-			GLuint dstx, GLuint dsty,
-			struct intel_region *src,
-			GLuint src_offset,
-			GLuint srcx, GLuint srcy,
-			GLuint width, GLuint height )
-{
-   DBG("%s\n", __FUNCTION__);
-
-   assert(src->cpp == dst->cpp);
-
-   intelEmitCopyBlit(intel,
-		     dst->cpp,
-		     src->pitch, src->buffer, src_offset, src->tiled,
-		     dst->pitch, dst->buffer, dst_offset, dst->tiled,
-		     srcx, srcy,
-		     dstx, dsty,
-		     width, height,
-		     GL_COPY );
-}
-
-/* Fill a rectangular sub-region.  Need better logic about when to
- * push buffers into AGP - will currently do so whenever possible.
- */
-void intel_region_fill( struct intel_context *intel,
-			struct intel_region *dst,
-			GLuint dst_offset,
-			GLuint dstx, GLuint dsty,
-			GLuint width, GLuint height,
-			GLuint color )
-{
-   DBG("%s\n", __FUNCTION__);
-   
-   intelEmitFillBlit(intel,
-		     dst->cpp,
-		     dst->pitch, dst->buffer, dst_offset, dst->tiled,
-		     dstx, dsty,
-		     width, height,
-		     color );
-}
-
-static struct intel_region *
-intel_recreate_static(struct intel_context *intel,
-		      const char *name,
-		      struct intel_region *region,
-		      intelRegion *region_desc,
-		      GLuint mem_type)
-{
-   intelScreenPrivate *intelScreen = intel->intelScreen;
-
-   if (region == NULL) {
-      region = calloc(sizeof(*region), 1);
-      region->refcount = 1;
-   }
-
-   region->cpp = intelScreen->cpp;
-   region->pitch = region_desc->pitch / intelScreen->cpp;
-   region->height = intelScreen->height;     /* needed? */
-   region->tiled = region_desc->tiled;
-
-   if (intel->ttm) {
-      assert(region_desc->bo_handle != -1);
-      region->buffer = intel_ttm_bo_create_from_handle(intel->bufmgr,
-						       name,
-						       region_desc->bo_handle);
-   } else {
-      region->buffer = dri_bo_alloc_static(intel->bufmgr,
-					   name,
-					   region_desc->offset,
-					   region_desc->pitch *
-					   intelScreen->height,
-					   region_desc->map,
-					   DRM_BO_FLAG_MEM_TT);
-   }
-
-   assert(region->buffer != NULL);
-
-   return region;
-}
-
-/**
- * Create intel_region structs to describe the static front, back, and 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 buffer will remain even then.
- *
- * Note that these don't allocate video memory, just describe
- * allocations alread made by the X server.
- */
-void
-intel_recreate_static_regions(struct intel_context *intel)
-{
-   intelScreenPrivate *intelScreen = intel->intelScreen;
-
-   intel->front_region =
-      intel_recreate_static(intel, "front",
-			    intel->front_region,
-			    &intelScreen->front,
-			    DRM_BO_FLAG_MEM_TT);
-
-   intel->back_region =
-      intel_recreate_static(intel, "back",
-			    intel->back_region,
-			    &intelScreen->back,
-			    DRM_BO_FLAG_MEM_TT);
-
-   /* Still assumes front.cpp == depth.cpp.  We can kill this when we move to
-    * private buffers.
-    */
-   intel->depth_region =
-      intel_recreate_static(intel, "depth",
-			    intel->depth_region,
-			    &intelScreen->depth,
-			    DRM_BO_FLAG_MEM_TT);
-}
+../intel/intel_regions.c
\ No newline at end of file
diff --git a/src/mesa/drivers/dri/i965/intel_regions.h b/src/mesa/drivers/dri/i965/intel_regions.h
deleted file mode 100644
index 3e130203c3..0000000000
--- a/src/mesa/drivers/dri/i965/intel_regions.h
+++ /dev/null
@@ -1,152 +0,0 @@
-/**************************************************************************
- * 
- * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- * 
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- * 
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- * 
- **************************************************************************/
-
-#ifndef INTEL_REGIONS_H
-#define INTEL_REGIONS_H
-
-#include "mtypes.h"
-#include "dri_bufmgr.h"		/* for DBG! */
-#include "intel_screen.h"
-struct intel_context;
-
-/* A layer on top of the bufmgr buffers that adds a few useful things:
- *
- * - Refcounting for local buffer references.
- * - Refcounting for buffer maps
- * - Buffer dimensions - pitch and height.
- * - Blitter commands for copying 2D regions between buffers.
- */
-struct intel_region {
-   dri_bo *buffer;
-   GLuint refcount;
-   GLuint cpp;
-   GLuint pitch;
-   GLuint height;
-   GLboolean tiled;
-   GLubyte *map;
-   GLuint map_refcount;
-};
-
-/* Allocate a refcounted region.  Pointers to regions should only be
- * copied by calling intel_reference_region().
- *
- * No support for dynamically allocating tiled regions at this point.
- */
-struct intel_region *intel_region_alloc( struct intel_context *intel,
-					 GLuint cpp,
-					 GLuint pitch, 
-					 GLuint height );
-
-void intel_region_reference( struct intel_region **dst, 
-			     struct intel_region *src );
-
-void intel_region_release(struct intel_context *intel,
-			  struct intel_region **ib );
-
-void intel_recreate_static_regions(struct intel_context *intel);
-
-/* Static regions may be tiled.  The assumption is that the X server
- * has set up fence registers to define tiled zones in agp and these
- * buffers are within those zones.  Tiling regions without fence
- * registers is more work.
- */
-struct intel_region *
-intel_region_create_static(intelScreenPrivate *intelScreen,
-			   char *name,
-			   GLuint mem_type,
-			   unsigned int bo_handle,
-			   GLuint offset,
-			   void *virtual,
-			   GLuint cpp,
-			   GLuint pitch, GLuint height, GLboolean tiled);
-void
-intel_region_update_static(intelScreenPrivate *intelScreen,
-			   struct intel_region *region,
-			   GLuint mem_type,
-			   unsigned int bo_handle,
-			   GLuint offset,
-			   void *virtual,
-			   GLuint cpp, GLuint pitch, GLuint height,
-			   GLboolean tiled);
-
-/* Map/unmap regions.  This is refcounted also: 
- */
-GLubyte *intel_region_map(struct intel_context *intel, 
-		       struct intel_region *ib);
-
-void intel_region_unmap(struct intel_context *intel,
-			struct intel_region *ib);
-
-
-/* Upload data to a rectangular sub-region
- */
-GLboolean intel_region_data(struct intel_context *intel, 
-			    struct intel_region *dest,
-			    GLuint dest_offset,
-			    GLuint destx, GLuint desty,
-			    const void *src, GLuint src_stride,
-			    GLuint srcx, GLuint srcy,
-			    GLuint width, GLuint height);
-			  
-/* Copy rectangular sub-regions
- */
-void intel_region_copy( struct intel_context *intel,
-			struct intel_region *dest,
-			GLuint dest_offset,
-			GLuint destx, GLuint desty,
-			struct intel_region *src,
-			GLuint src_offset,
-			GLuint srcx, GLuint srcy,
-			GLuint width, GLuint height );
-
-/* Fill a rectangular sub-region
- */
-void intel_region_fill( struct intel_context *intel,
-			struct intel_region *dest,
-			GLuint dest_offset,
-			GLuint destx, GLuint desty,
-			GLuint width, GLuint height,
-			GLuint color );
-
-
-/***********************************************************************
- * Misc utilities: move to somewhere generic
- */
-void _mesa_copy_rect( GLubyte *dst,
-		      GLuint cpp,
-		      GLuint dst_pitch,
-		      GLuint dst_x, 
-		      GLuint dst_y,
-		      GLuint width,
-		      GLuint height,
-		      const GLubyte *src,
-		      GLuint src_pitch,
-		      GLuint src_x,
-		      GLuint src_y );
-
-
-#endif
diff --git a/src/mesa/drivers/dri/intel/intel_regions.c b/src/mesa/drivers/dri/intel/intel_regions.c
index 56ca6d2fd2..d66cc641f5 100644
--- a/src/mesa/drivers/dri/intel/intel_regions.c
+++ b/src/mesa/drivers/dri/intel/intel_regions.c
@@ -442,6 +442,7 @@ intel_recreate_static_regions(struct intel_context *intel)
 			    &intelScreen->back,
 			    DRM_BO_FLAG_MEM_TT);
 
+#ifdef I915
    if (intelScreen->third.handle) {
       intel->third_region =
 	 intel_recreate_static(intel, "third",
@@ -449,6 +450,7 @@ intel_recreate_static_regions(struct intel_context *intel)
 			       &intelScreen->third,
 			       DRM_BO_FLAG_MEM_TT);
    }
+#endif /* I915 */
 
    /* Still assumes front.cpp == depth.cpp.  We can kill this when we move to
     * private buffers.