src/gallium/drivers/r600/r600_resource.h

   1 /*
   2  * Copyright 2010 Marek Olšák <maraeo@gmail.com
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  */
  23 #ifndef R600_RESOURCE_H
  24 #define R600_RESOURCE_H
  25
  26 #include "r600.h"
  27
  28 /* flag to indicate a resource is to be used as a transfer so should not be tiled */
  29 #define R600_RESOURCE_FLAG_TRANSFER             PIPE_RESOURCE_FLAG_DRV_PRIV
  30 #define R600_RESOURCE_FLAG_FLUSHED_DEPTH        (PIPE_RESOURCE_FLAG_DRV_PRIV << 1)
  31
  32 struct r600_transfer {
  33         struct pipe_transfer            transfer;
  34         struct r600_resource            *staging;
  35         unsigned                        offset;
  36 };
  37
  38 struct compute_memory_item;
  39
  40 struct r600_resource_global {
  41         struct r600_resource base;
  42         struct compute_memory_item *chunk;
  43 };
  44
  45 struct r600_resource_texture {
  46         struct r600_resource            resource;
  47
  48         /* If this resource is a depth-stencil buffer on evergreen, this contains
  49          * the depth part of the format. There is a separate stencil resource
  50          * for the stencil buffer below. */
  51         enum pipe_format                real_format;
  52
  53         unsigned                        offset[PIPE_MAX_TEXTURE_LEVELS];
  54         unsigned                        pitch_in_bytes[PIPE_MAX_TEXTURE_LEVELS];  /* transfer */
  55         unsigned                        pitch_in_blocks[PIPE_MAX_TEXTURE_LEVELS]; /* texture resource */
  56         unsigned                        layer_size[PIPE_MAX_TEXTURE_LEVELS];
  57         unsigned                        array_mode[PIPE_MAX_TEXTURE_LEVELS];
  58         unsigned                        pitch_override;
  59         unsigned                        size;
  60         unsigned                        tile_type;
  61         bool                            is_depth;
  62         bool                            is_rat;
  63         unsigned                        dirty_db_mask; /* each bit says if that miplevel is dirty */
  64         struct r600_resource_texture    *stencil; /* Stencil is in a separate buffer on Evergreen. */
  65         struct r600_resource_texture    *flushed_depth_texture;
  66         boolean                         is_flushing_texture;
  67         struct radeon_surface           surface;
  68 };
  69
  70 #define R600_TEX_IS_TILED(tex, level) ((tex)->array_mode[level] != V_038000_ARRAY_LINEAR_GENERAL && (tex)->array_mode[level] != V_038000_ARRAY_LINEAR_ALIGNED)
  71
  72 struct r600_surface {
  73         struct pipe_surface             base;
  74         unsigned                        aligned_height;
  75 };
  76
  77 void r600_resource_destroy(struct pipe_screen *screen, struct pipe_resource *res);
  78 void r600_init_screen_resource_functions(struct pipe_screen *screen);
  79
  80 /* r600_texture */
  81 struct pipe_resource *r600_texture_create(struct pipe_screen *screen,
  82                                         const struct pipe_resource *templ);
  83 struct pipe_resource *r600_texture_from_handle(struct pipe_screen *screen,
  84                                                 const struct pipe_resource *base,
  85                                                 struct winsys_handle *whandle);
  86
  87 static INLINE struct r600_resource *r600_resource(struct pipe_resource *r)
  88 {
  89         return (struct r600_resource*)r;
  90 }
  91
  92 bool r600_init_flushed_depth_texture(struct pipe_context *ctx,
  93                                      struct pipe_resource *texture,
  94                                      struct r600_resource_texture **staging);
  95 void r600_texture_depth_flush(struct pipe_context *ctx,
  96                               struct pipe_resource *texture,
  97                               struct r600_resource_texture **staging,
  98                               unsigned first_level, unsigned last_level,
  99                               unsigned first_layer, unsigned last_layer);
 100
 101 /* r600_texture.c texture transfer functions. */
 102 struct pipe_transfer* r600_texture_get_transfer(struct pipe_context *ctx,
 103                                                 struct pipe_resource *texture,
 104                                                 unsigned level,
 105                                                 unsigned usage,
 106                                                 const struct pipe_box *box);
 107 void r600_texture_transfer_destroy(struct pipe_context *ctx,
 108                                    struct pipe_transfer *trans);
 109 void* r600_texture_transfer_map(struct pipe_context *ctx,
 110                                 struct pipe_transfer* transfer);
 111 void r600_texture_transfer_unmap(struct pipe_context *ctx,
 112                                  struct pipe_transfer* transfer);
 113
 114 #endif