src/gallium/drivers/cell/spu/spu_main.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 #ifndef SPU_MAIN_H
  29 #define SPU_MAIN_H
  30
  31
  32 #include <spu_mfcio.h>
  33
  34 #include "cell/common.h"
  35 #include "draw/draw_vertex.h"
  36 #include "pipe/p_state.h"
  37
  38
  39
  40 #define MAX_WIDTH 1024
  41 #define MAX_HEIGHT 1024
  42
  43
  44 typedef union {
  45    ushort us[TILE_SIZE][TILE_SIZE];
  46    uint   ui[TILE_SIZE][TILE_SIZE];
  47    vector unsigned short us8[TILE_SIZE/2][TILE_SIZE/4];
  48    vector unsigned int ui4[TILE_SIZE/2][TILE_SIZE/2];
  49 } tile_t;
  50
  51
  52 #define TILE_STATUS_CLEAR   1
  53 #define TILE_STATUS_DEFINED 2  /**< defined in FB, but not in local store */
  54 #define TILE_STATUS_CLEAN   3  /**< in local store, but not changed */
  55 #define TILE_STATUS_DIRTY   4  /**< modified locally, but not put back yet */
  56 #define TILE_STATUS_GETTING 5  /**< mfc_get() called but not yet arrived */
  57
  58
  59 struct spu_framebuffer {
  60    void *color_start;              /**< addr of color surface in main memory */
  61    void *depth_start;              /**< addr of depth surface in main memory */
  62    enum pipe_format color_format;
  63    enum pipe_format depth_format;
  64    uint width, height;             /**< size in pixels */
  65    uint width_tiles, height_tiles; /**< width and height in tiles */
  66
  67    uint color_clear_value;
  68    uint depth_clear_value;
  69
  70    uint zsize;                     /**< 0, 2 or 4 bytes per Z */
  71 } ALIGN16_ATTRIB;
  72
  73
  74 /**
  75  * All SPU global/context state will be in singleton object of this type:
  76  */
  77 struct spu_global
  78 {
  79    struct cell_init_info init;
  80
  81    struct spu_framebuffer fb;
  82    struct pipe_blend_state blend_stencil;
  83    struct pipe_depth_stencil_alpha_state depth_stencil;
  84    struct pipe_blend_state blend;
  85    struct pipe_sampler_state sampler[PIPE_MAX_SAMPLERS];
  86    struct cell_command_texture texture;
  87
  88    struct vertex_info vertex_info;
  89
  90    /* XXX more state to come */
  91
  92
  93    /** current color and Z tiles */
  94    tile_t ctile ALIGN16_ATTRIB;
  95    tile_t ztile ALIGN16_ATTRIB;
  96
  97    /** Current tiles' status */
  98    ubyte cur_ctile_status, cur_ztile_status;
  99
 100    /** Status of all tiles in framebuffer */
 101    ubyte ctile_status[MAX_HEIGHT/TILE_SIZE][MAX_WIDTH/TILE_SIZE] ALIGN16_ATTRIB;
 102    ubyte ztile_status[MAX_HEIGHT/TILE_SIZE][MAX_WIDTH/TILE_SIZE] ALIGN16_ATTRIB;
 103
 104
 105    /** for converting RGBA to PIPE_FORMAT_x colors */
 106    vector unsigned char color_shuffle;
 107
 108    vector float tex_size;
 109    vector unsigned int tex_size_mask; /**< == int(size - 1) */
 110
 111    vector float (*sample_texture)(vector float texcoord);
 112
 113 } ALIGN16_ATTRIB;
 114
 115
 116 extern struct spu_global spu;
 117 extern boolean Debug;
 118
 119
 120
 121
 122 /* DMA TAGS */
 123
 124 #define TAG_SURFACE_CLEAR     10
 125 #define TAG_VERTEX_BUFFER     11
 126 #define TAG_READ_TILE_COLOR   12
 127 #define TAG_READ_TILE_Z       13
 128 #define TAG_WRITE_TILE_COLOR  14
 129 #define TAG_WRITE_TILE_Z      15
 130 #define TAG_INDEX_BUFFER      16
 131 #define TAG_BATCH_BUFFER      17
 132 #define TAG_MISC              18
 133 #define TAG_TEXTURE_TILE      19
 134 #define TAG_INSTRUCTION_FETCH 20
 135
 136
 137
 138 static INLINE void
 139 wait_on_mask(unsigned tagMask)
 140 {
 141    mfc_write_tag_mask( tagMask );
 142    /* wait for completion of _any_ DMAs specified by tagMask */
 143    mfc_read_tag_status_any();
 144 }
 145
 146
 147 static INLINE void
 148 wait_on_mask_all(unsigned tagMask)
 149 {
 150    mfc_write_tag_mask( tagMask );
 151    /* wait for completion of _any_ DMAs specified by tagMask */
 152    mfc_read_tag_status_all();
 153 }
 154
 155
 156
 157
 158
 159 static INLINE void
 160 memset16(ushort *d, ushort value, uint count)
 161 {
 162    uint i;
 163    for (i = 0; i < count; i++)
 164       d[i] = value;
 165 }
 166
 167
 168 static INLINE void
 169 memset32(uint *d, uint value, uint count)
 170 {
 171    uint i;
 172    for (i = 0; i < count; i++)
 173       d[i] = value;
 174 }
 175
 176
 177 #endif /* SPU_MAIN_H */