src/gallium/drivers/r600/r600_screen.h

   1 /*
   2  * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
   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_SCREEN_H
  24 #define R600_SCREEN_H
  25
  26 #include <pipe/p_state.h>
  27 #include <pipe/p_screen.h>
  28 #include <pipebuffer/pb_buffer.h>
  29 #include <xf86drm.h>
  30 #include <radeon_drm.h>
  31 #include "radeon.h"
  32 #include "util/u_transfer.h"
  33
  34 /* Texture transfer. */
  35 struct r600_transfer {
  36         /* Base class. */
  37         struct pipe_transfer            transfer;
  38         /* Buffer transfer. */
  39         struct pipe_transfer            *buffer_transfer;
  40         unsigned                        offset;
  41 };
  42
  43 struct r600_buffer {
  44         struct u_resource               b;
  45         struct radeon_bo                *bo;
  46         u32                             domain;
  47         u32                             flink;
  48         struct pb_buffer                *pb;
  49 };
  50
  51 struct r600_screen {
  52         struct pipe_screen              screen;
  53         struct radeon                   *rw;
  54 };
  55
  56 static INLINE struct r600_screen *r600_screen(struct pipe_screen *screen)
  57 {
  58         return (struct r600_screen*)screen;
  59 }
  60
  61 /* Buffer functions. */
  62 struct pipe_resource *r600_buffer_create(struct pipe_screen *screen,
  63                                          const struct pipe_resource *templ);
  64 struct pipe_resource *r600_user_buffer_create(struct pipe_screen *screen,
  65                                               void *ptr, unsigned bytes,
  66                                               unsigned bind);
  67 unsigned r600_buffer_is_referenced_by_cs(struct pipe_context *context,
  68                                          struct pipe_resource *buf,
  69                                          unsigned face, unsigned level);
  70 struct pipe_resource *r600_buffer_from_handle(struct pipe_screen *screen,
  71                                               struct winsys_handle *whandle);
  72
  73 /* Texture transfer functions. */
  74 struct pipe_transfer* r600_texture_get_transfer(struct pipe_context *ctx,
  75                                                 struct pipe_resource *texture,
  76                                                 struct pipe_subresource sr,
  77                                                 unsigned usage,
  78                                                 const struct pipe_box *box);
  79 void r600_texture_transfer_destroy(struct pipe_context *ctx,
  80                                    struct pipe_transfer *trans);
  81 void* r600_texture_transfer_map(struct pipe_context *ctx,
  82                                 struct pipe_transfer* transfer);
  83 void r600_texture_transfer_unmap(struct pipe_context *ctx,
  84                                  struct pipe_transfer* transfer);
  85
  86
  87 /* helpers */
  88 int r600_conv_pipe_format(unsigned pformat, unsigned *format);
  89 int r600_conv_pipe_prim(unsigned pprim, unsigned *prim);
  90
  91 union r600_float_to_u32_u {
  92         u32     u;
  93         float   f;
  94 };
  95
  96 static inline u32 r600_float_to_u32(float f)
  97 {
  98         union r600_float_to_u32_u c;
  99
 100         c.f = f;
 101         return c.u;
 102 }
 103
 104 #endif