i915: Remove most of the code under gen >= 4 checks.
[mesa.git] / src / mesa / drivers / dri / i965 / intel_regions.h
index d2235f1275bd19ba6f0b18146d2a9a3866aa1f4d..1fb6b2757721bd102f56018b07b5179dbb855e73 100644 (file)
 #ifndef INTEL_REGIONS_H
 #define INTEL_REGIONS_H
 
-#include "mtypes.h"
-#include "bufmgr.h"            /* for DBG! */
+/** @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"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 struct intel_context;
+struct intel_screen;
+struct intel_buffer_object;
 
-/* A layer on top of the bufmgr buffers that adds a few useful things:
+/**
+ * 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.
+ * - Blitter commands for copying 2D regions between buffers. (really???)
  */
-struct intel_region {
-   struct buffer *buffer;
-   GLuint refcount;
-   GLuint cpp;
-   GLuint pitch;
-   GLuint height;
-   GLboolean tiled;
-   GLubyte *map;
-   GLuint map_refcount;
+struct intel_region
+{
+   drm_intel_bo *bo;  /**< buffer manager's buffer */
+   GLuint refcount; /**< Reference count for region */
+   GLuint cpp;      /**< bytes per pixel */
+   GLuint width;    /**< in pixels */
+   GLuint height;   /**< in pixels */
+   GLuint pitch;    /**< in bytes */
+
+   uint32_t tiling; /**< Which tiling mode the region is in */
+
+   uint32_t name; /**< Global name for the bo */
 };
 
+
 /* 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 );
-
-/* 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_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,
+                          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);
+
+void intel_recreate_static_regions(struct intel_context *intel);
+
+void
+intel_region_get_tile_masks(struct intel_region *region,
+                            uint32_t *mask_x, uint32_t *mask_y,
+                            bool map_stencil_as_y_tiled);
+
+uint32_t
+intel_region_get_aligned_offset(struct intel_region *region, uint32_t x,
+                                uint32_t y, bool map_stencil_as_y_tiled);
+
+/**
+ * Used with images created with image_from_names
+ * to help support planar images.
  */
-struct intel_region *intel_region_create_static( struct intel_context *intel,
-                                                GLuint mem_type,
-                                                GLuint offset,
-                                                void *virtual,
-                                                GLuint cpp,
-                                                GLuint pitch,
-                                                GLuint height,
-                                                GLuint size,
-                                                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 );
+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];
+};
 
+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;
+   bool has_depthstencil;
 
-/***********************************************************************
- * 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 );
+   void *data;
+};
 
+#ifdef __cplusplus
+}
+#endif
 
 #endif