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 #include "util/u_vbuf_mgr.h"
  28
  29 /* flag to indicate a resource is to be used as a transfer so should not be tiled */
  30 #define R600_RESOURCE_FLAG_TRANSFER     PIPE_RESOURCE_FLAG_DRV_PRIV
  31
  32 /* Texture transfer. */
  33 struct r600_transfer {
  34         /* Base class. */
  35         struct pipe_transfer            transfer;
  36         /* Buffer transfer. */
  37         struct pipe_transfer            *buffer_transfer;
  38         unsigned                        offset;
  39         struct pipe_resource            *staging_texture;
  40 };
  41
  42 /* This gets further specialized into either buffer or texture
  43  * structures. Use the vtbl struct to choose between the two
  44  * underlying implementations.
  45  */
  46 struct r600_resource {
  47         struct u_vbuf_resource          b;
  48         struct r600_bo                  *bo;
  49         u32                             size;
  50         unsigned                        bo_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];  /* transfer */
  57         unsigned                        pitch_in_blocks[PIPE_MAX_TEXTURE_LEVELS]; /* texture resource */
  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                        tile_type;
  63         unsigned                        depth;
  64         unsigned                        dirty_db;
  65         struct r600_resource_texture    *flushed_depth_texture;
  66         boolean                         is_flushing_texture;
  67
  68         /* on some cards we have to use integer 64/128-bit types
  69            for s3tc blits, do this until gallium grows int formats */
  70         boolean force_int_type;
  71 };
  72
  73 #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)
  74
  75 #define R600_BUFFER_MAGIC 0xabcd1600
  76
  77 /* XXX this could be removed */
  78 struct r600_resource_buffer {
  79         struct r600_resource            r;
  80         uint32_t                        magic;
  81 };
  82
  83 struct r600_surface {
  84         struct pipe_surface             base;
  85         unsigned                        aligned_height;
  86 };
  87
  88 void r600_init_screen_resource_functions(struct pipe_screen *screen);
  89
  90 /* r600_texture */
  91 struct pipe_resource *r600_texture_create(struct pipe_screen *screen,
  92                                         const struct pipe_resource *templ);
  93 struct pipe_resource *r600_texture_from_handle(struct pipe_screen *screen,
  94                                                 const struct pipe_resource *base,
  95                                                 struct winsys_handle *whandle);
  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 int r600_texture_depth_flush(struct pipe_context *ctx, struct pipe_resource *texture, boolean just_create);
 108
 109 /* r600_texture.c texture transfer functions. */
 110 struct pipe_transfer* r600_texture_get_transfer(struct pipe_context *ctx,
 111                                                 struct pipe_resource *texture,
 112                                                 unsigned level,
 113                                                 unsigned usage,
 114                                                 const struct pipe_box *box);
 115 void r600_texture_transfer_destroy(struct pipe_context *ctx,
 116                                    struct pipe_transfer *trans);
 117 void* r600_texture_transfer_map(struct pipe_context *ctx,
 118                                 struct pipe_transfer* transfer);
 119 void r600_texture_transfer_unmap(struct pipe_context *ctx,
 120                                  struct pipe_transfer* transfer);
 121
 122 struct r600_pipe_context;
 123
 124 void r600_upload_const_buffer(struct r600_pipe_context *rctx, struct r600_resource_buffer **rbuffer, uint32_t *offset);
 125
 126 #endif