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 "util/u_transfer.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 /* Texture transfer. */
  32 struct r600_transfer {
  33         /* Base class. */
  34         struct pipe_transfer            transfer;
  35         /* Buffer transfer. */
  36         struct pipe_transfer            *buffer_transfer;
  37         unsigned                        offset;
  38         struct pipe_resource            *staging_texture;
  39 };
  40
  41 /* This gets further specialized into either buffer or texture
  42  * structures. Use the vtbl struct to choose between the two
  43  * underlying implementations.
  44  */
  45 struct r600_resource {
  46         struct u_resource               base;
  47         struct r600_bo                  *bo;
  48         u32                             domain;
  49         u32                             flink;
  50         u32                             size;
  51 };
  52
  53 struct r600_resource_texture {
  54         struct r600_resource            resource;
  55         unsigned                        offset[PIPE_MAX_TEXTURE_LEVELS];
  56         unsigned                        pitch_in_bytes[PIPE_MAX_TEXTURE_LEVELS];
  57         unsigned                        pitch_in_pixels[PIPE_MAX_TEXTURE_LEVELS];
  58         unsigned                        layer_size[PIPE_MAX_TEXTURE_LEVELS];
  59         unsigned                        array_mode[PIPE_MAX_TEXTURE_LEVELS];
  60         unsigned                        pitch_override;
  61         unsigned                        size;
  62         unsigned                        tiled;
  63         unsigned                        tile_type;
  64         unsigned                        depth;
  65         unsigned                        dirty;
  66         struct r600_resource_texture    *flushed_depth_texture;
  67 };
  68
  69 void r600_init_screen_resource_functions(struct pipe_screen *screen);
  70
  71 /* r600_buffer */
  72 u32 r600_domain_from_usage(unsigned usage);
  73
  74 /* r600_texture */
  75 struct pipe_resource *r600_texture_create(struct pipe_screen *screen,
  76                                         const struct pipe_resource *templ);
  77 struct pipe_resource *r600_texture_from_handle(struct pipe_screen *screen,
  78                                                 const struct pipe_resource *base,
  79                                                 struct winsys_handle *whandle);
  80
  81 #define R600_BUFFER_MAGIC 0xabcd1600
  82 #define R600_BUFFER_MAX_RANGES 32
  83
  84 struct r600_buffer_range {
  85         uint32_t start;
  86         uint32_t end;
  87 };
  88
  89 struct r600_resource_buffer {
  90         struct r600_resource r;
  91         uint32_t magic;
  92         void *user_buffer;
  93         struct r600_buffer_range ranges[R600_BUFFER_MAX_RANGES];
  94         unsigned num_ranges;
  95 };
  96
  97 /* r600_buffer */
  98 static INLINE struct r600_resource_buffer *r600_buffer(struct pipe_resource *buffer)
  99 {
 100         if (buffer) {
 101                 assert(((struct r600_resource_buffer *)buffer)->magic == R600_BUFFER_MAGIC);
 102                 return (struct r600_resource_buffer *)buffer;
 103     }
 104     return NULL;
 105 }
 106
 107 static INLINE boolean r600_buffer_is_user_buffer(struct pipe_resource *buffer)
 108 {
 109     return r600_buffer(buffer)->user_buffer ? TRUE : FALSE;
 110 }
 111
 112 int r600_texture_depth_flush(struct pipe_context *ctx,
 113                              struct pipe_resource *texture);
 114
 115 extern int (*r600_blit_uncompress_depth_ptr)(struct pipe_context *ctx, struct r600_resource_texture *texture);
 116
 117 /* r600_texture.c texture transfer functions. */
 118 struct pipe_transfer* r600_texture_get_transfer(struct pipe_context *ctx,
 119                                                 struct pipe_resource *texture,
 120                                                 struct pipe_subresource sr,
 121                                                 unsigned usage,
 122                                                 const struct pipe_box *box);
 123 void r600_texture_transfer_destroy(struct pipe_context *ctx,
 124                                    struct pipe_transfer *trans);
 125 void* r600_texture_transfer_map(struct pipe_context *ctx,
 126                                 struct pipe_transfer* transfer);
 127 void r600_texture_transfer_unmap(struct pipe_context *ctx,
 128                                  struct pipe_transfer* transfer);
 129
 130 struct r600_surface {
 131         struct pipe_surface base;
 132         unsigned aligned_height;
 133 };
 134
 135 #endif