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                             size;
  49 };
  50
  51 struct r600_resource_texture {
  52         struct r600_resource            resource;
  53         unsigned                        offset[PIPE_MAX_TEXTURE_LEVELS];
  54         unsigned                        pitch_in_bytes[PIPE_MAX_TEXTURE_LEVELS];
  55         unsigned                        pitch_in_pixels[PIPE_MAX_TEXTURE_LEVELS];
  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                        tiled;
  61         unsigned                        tile_type;
  62         unsigned                        depth;
  63         unsigned                        dirty;
  64         struct r600_resource_texture    *flushed_depth_texture;
  65 };
  66
  67 void r600_init_screen_resource_functions(struct pipe_screen *screen);
  68
  69 /* r600_texture */
  70 struct pipe_resource *r600_texture_create(struct pipe_screen *screen,
  71                                         const struct pipe_resource *templ);
  72 struct pipe_resource *r600_texture_from_handle(struct pipe_screen *screen,
  73                                                 const struct pipe_resource *base,
  74                                                 struct winsys_handle *whandle);
  75
  76 #define R600_BUFFER_MAGIC 0xabcd1600
  77 #define R600_BUFFER_MAX_RANGES 32
  78
  79 struct r600_buffer_range {
  80         uint32_t start;
  81         uint32_t end;
  82 };
  83
  84 struct r600_resource_buffer {
  85         struct r600_resource r;
  86         uint32_t magic;
  87         void *user_buffer;
  88         struct r600_buffer_range ranges[R600_BUFFER_MAX_RANGES];
  89         unsigned num_ranges;
  90 };
  91
  92 /* r600_buffer */
  93 static INLINE struct r600_resource_buffer *r600_buffer(struct pipe_resource *buffer)
  94 {
  95         if (buffer) {
  96                 assert(((struct r600_resource_buffer *)buffer)->magic == R600_BUFFER_MAGIC);
  97                 return (struct r600_resource_buffer *)buffer;
  98     }
  99     return NULL;
 100 }
 101
 102 static INLINE boolean r600_buffer_is_user_buffer(struct pipe_resource *buffer)
 103 {
 104     return r600_buffer(buffer)->user_buffer ? TRUE : FALSE;
 105 }
 106
 107 int r600_texture_depth_flush(struct pipe_context *ctx,
 108                              struct pipe_resource *texture);
 109
 110 extern int (*r600_blit_uncompress_depth_ptr)(struct pipe_context *ctx, struct r600_resource_texture *texture);
 111
 112 /* r600_texture.c texture transfer functions. */
 113 struct pipe_transfer* r600_texture_get_transfer(struct pipe_context *ctx,
 114                                                 struct pipe_resource *texture,
 115                                                 unsigned level,
 116                                                 unsigned usage,
 117                                                 const struct pipe_box *box);
 118 void r600_texture_transfer_destroy(struct pipe_context *ctx,
 119                                    struct pipe_transfer *trans);
 120 void* r600_texture_transfer_map(struct pipe_context *ctx,
 121                                 struct pipe_transfer* transfer);
 122 void r600_texture_transfer_unmap(struct pipe_context *ctx,
 123                                  struct pipe_transfer* transfer);
 124
 125 struct r600_surface {
 126         struct pipe_surface base;
 127         unsigned aligned_height;
 128 };
 129
 130 #endif