i915: reference __DRI_ATTRIB_SWAP_COPY token over the GLX one
[mesa.git] / src / mesa / drivers / dri / i915 / intel_regions.h
index 42d7b177117147512f4a360865463721b199413c..05375f1c41e6b1bbdd129bc8d544d3c4656c8e76 100644 (file)
@@ -1,6 +1,6 @@
 /**************************************************************************
  * 
- * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2006 VMware, Inc.
  * All Rights Reserved.
  * 
  * Permission is hereby granted, free of charge, to any person obtaining a
@@ -18,7 +18,7 @@
  * 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
+ * IN NO EVENT SHALL VMWARE 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 "intel_screen.h"
+/** @file intel_regions.h
+ *
+ * Structure definitions and prototypes for intel_region handling,
+ * which is the basic structure for rectangular collections of pixels
+ * stored in a drm_intel_bo.
+ */
+
+#include <stdbool.h>
+#include <xf86drm.h>
+
+#include "main/mtypes.h"
+#include "intel_bufmgr.h"
 
 struct intel_context;
+struct intel_screen;
 struct intel_buffer_object;
 
 /**
@@ -44,100 +55,97 @@ struct intel_buffer_object;
  */
 struct intel_region
 {
-   dri_bo *buffer;  /**< buffer manager's buffer */
+   drm_intel_bo *bo;  /**< buffer manager's buffer */
    GLuint refcount; /**< Reference count for region */
    GLuint cpp;      /**< bytes per pixel */
-   GLuint pitch;    /**< in pixels */
+   GLuint width;    /**< in pixels */
    GLuint height;   /**< in pixels */
-   GLubyte *map;    /**< only non-NULL when region is actually mapped */
-   GLuint map_refcount;  /**< Reference count for mapping */
+   GLuint pitch;    /**< in bytes */
 
-   GLuint draw_offset; /**< Offset of drawing address within the region */
+   uint32_t tiling; /**< Which tiling mode the region is in */
 
-   struct intel_buffer_object *pbo;     /* zero-copy uploads */
+   uint32_t name; /**< Global name for the bo */
 };
 
 
 /* Allocate a refcounted region.  Pointers to regions should only be
  * copied by calling intel_reference_region().
  */
-struct intel_region *intel_region_alloc(intelScreenPrivate *intelScreen,
-                                        GLuint cpp,
-                                        GLuint pitch, GLuint height);
+struct intel_region *intel_region_alloc(struct intel_screen *screen,
+                                        uint32_t tiling,
+                                       GLuint cpp, GLuint width,
+                                        GLuint height,
+                                       bool expect_accelerated_upload);
+
+struct intel_region *
+intel_region_alloc_for_handle(struct intel_screen *screen,
+                             GLuint cpp,
+                             GLuint width, GLuint height, GLuint pitch,
+                             unsigned int handle, const char *name);
+
+struct intel_region *
+intel_region_alloc_for_fd(struct intel_screen *screen,
+                          GLuint cpp,
+                          GLuint width, GLuint height, GLuint pitch,
+                          GLuint size, int fd, const char *name);
+
+bool
+intel_region_flink(struct intel_region *region, uint32_t *name);
 
 void intel_region_reference(struct intel_region **dst,
                             struct intel_region *src);
 
 void intel_region_release(struct intel_region **ib);
 
-extern struct intel_region 
-*intel_region_create_static(intelScreenPrivate *intelScreen,
-                           GLuint mem_type,
-                           unsigned int bo_handle,
-                           GLuint offset,
-                           void *virtual,
-                           GLuint cpp,
-                           GLuint pitch, GLuint height);
-extern 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);
-
-
-void intel_region_idle(intelScreenPrivate *intelScreen,
-                      struct intel_region *ib);
-
-/* Map/unmap regions.  This is refcounted also: 
- */
-GLubyte *intel_region_map(intelScreenPrivate *intelScreen,
-                          struct intel_region *ib);
+void intel_recreate_static_regions(struct intel_context *intel);
 
-void intel_region_unmap(intelScreenPrivate *intelScreen, struct intel_region *ib);
+void
+intel_region_get_tile_masks(struct intel_region *region,
+                            uint32_t *mask_x, uint32_t *mask_y);
 
+uint32_t
+intel_region_get_aligned_offset(struct intel_region *region, uint32_t x,
+                                uint32_t y);
 
-/* Upload data to a rectangular sub-region
- */
-void intel_region_data(intelScreenPrivate *intelScreen,
-                       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(intelScreenPrivate *intelScreen,
-                       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
+/**
+ * Used with images created with image_from_names
+ * to help support planar images.
  */
-void intel_region_fill(intelScreenPrivate *intelScreen,
-                       struct intel_region *dest,
-                       GLuint dest_offset,
-                       GLuint destx, GLuint desty,
-                       GLuint width, GLuint height, GLuint color);
+struct intel_image_format {
+   int fourcc;
+   int components;
+   int nplanes;
+   struct {
+      int buffer_index;
+      int width_shift;
+      int height_shift;
+      uint32_t dri_format;
+      int cpp;
+   } planes[3];
+};
 
-/* Helpers for zerocopy uploads, particularly texture image uploads:
- */
-void intel_region_attach_pbo(intelScreenPrivate *intelScreen,
-                             struct intel_region *region,
-                             struct intel_buffer_object *pbo);
-void intel_region_release_pbo(intelScreenPrivate *intelScreen,
-                              struct intel_region *region);
-void intel_region_cow(intelScreenPrivate *intelScreen,
-                      struct intel_region *region);
-
-dri_bo *intel_region_buffer(intelScreenPrivate *intelScreen,
-                           struct intel_region *region,
-                           GLuint flag);
+struct __DRIimageRec {
+   struct intel_region *region;
+   GLenum internal_format;
+   uint32_t dri_format;
+   GLuint format;
+   uint32_t offset;
+
+   /*
+    * Need to save these here between calls to
+    * image_from_names and calls to image_from_planar.
+    */
+   uint32_t strides[3];
+   uint32_t offsets[3];
+   struct intel_image_format *planar_format;
+
+   /* particular miptree level */
+   GLuint width;
+   GLuint height;
+   GLuint tile_x;
+   GLuint tile_y;
+
+   void *data;
+};
 
 #endif