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
  31 struct r600_transfer {
  32         struct pipe_transfer            transfer;
  33         struct r600_resource            *staging;
  34         unsigned                        offset;
  35 };
  36
  37 struct compute_memory_item;
  38
  39 struct r600_resource_global {
  40         struct r600_resource base;
  41         struct compute_memory_item *chunk;
  42 };
  43
  44 struct r600_resource_texture {
  45         struct r600_resource            resource;
  46
  47         /* If this resource is a depth-stencil buffer on evergreen, this contains
  48          * the depth part of the format. There is a separate stencil resource
  49          * for the stencil buffer below. */
  50         enum pipe_format                real_format;
  51
  52         unsigned                        offset[PIPE_MAX_TEXTURE_LEVELS];
  53         unsigned                        pitch_in_bytes[PIPE_MAX_TEXTURE_LEVELS];  /* transfer */
  54         unsigned                        pitch_in_blocks[PIPE_MAX_TEXTURE_LEVELS]; /* texture resource */
  55         unsigned                        layer_size[PIPE_MAX_TEXTURE_LEVELS];
  56         unsigned                        array_mode[PIPE_MAX_TEXTURE_LEVELS];
  57         unsigned                        pitch_override;
  58         unsigned                        size;
  59         unsigned                        tile_type;
  60         bool                            is_depth;
  61         unsigned                        dirty_db;
  62         struct r600_resource_texture    *stencil; /* Stencil is in a separate buffer on Evergreen. */
  63         struct r600_resource_texture    *flushed_depth_texture;
  64         boolean                         is_flushing_texture;
  65         struct radeon_surface           surface;
  66 };
  67
  68 #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)
  69
  70 struct r600_surface {
  71         struct pipe_surface             base;
  72         unsigned                        aligned_height;
  73 };
  74
  75 void r600_resource_destroy(struct pipe_screen *screen, struct pipe_resource *res);
  76 void r600_init_screen_resource_functions(struct pipe_screen *screen);
  77
  78 /* r600_texture */
  79 struct pipe_resource *r600_texture_create(struct pipe_screen *screen,
  80                                         const struct pipe_resource *templ);
  81 struct pipe_resource *r600_texture_from_handle(struct pipe_screen *screen,
  82                                                 const struct pipe_resource *base,
  83                                                 struct winsys_handle *whandle);
  84
  85 static INLINE struct r600_resource *r600_resource(struct pipe_resource *r)
  86 {
  87         return (struct r600_resource*)r;
  88 }
  89
  90 void r600_init_flushed_depth_texture(struct pipe_context *ctx,
  91                                      struct pipe_resource *texture);
  92 void r600_texture_depth_flush(struct pipe_context *ctx,
  93                               struct pipe_resource *texture);
  94
  95 /* r600_texture.c texture transfer functions. */
  96 struct pipe_transfer* r600_texture_get_transfer(struct pipe_context *ctx,
  97                                                 struct pipe_resource *texture,
  98                                                 unsigned level,
  99                                                 unsigned usage,
 100                                                 const struct pipe_box *box);
 101 void r600_texture_transfer_destroy(struct pipe_context *ctx,
 102                                    struct pipe_transfer *trans);
 103 void* r600_texture_transfer_map(struct pipe_context *ctx,
 104                                 struct pipe_transfer* transfer);
 105 void r600_texture_transfer_unmap(struct pipe_context *ctx,
 106                                  struct pipe_transfer* transfer);
 107
 108 #endif