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