src/gallium/drivers/cell/ppu/cell_context.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
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  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28
  29 #ifndef CELL_CONTEXT_H
  30 #define CELL_CONTEXT_H
  31
  32
  33 #include "pipe/p_context.h"
  34 #include "pipe/p_defines.h"
  35 #include "draw/draw_vertex.h"
  36 #include "draw/draw_vbuf.h"
  37 #include "cell_winsys.h"
  38 #include "cell/common.h"
  39 #include "rtasm/rtasm_ppc_spe.h"
  40 #include "tgsi/util/tgsi_scan.h"
  41
  42 struct cell_vbuf_render;
  43
  44 struct cell_vertex_shader_state
  45 {
  46    struct pipe_shader_state shader;
  47    struct tgsi_shader_info info;
  48    void *draw_data;
  49 };
  50
  51
  52 struct cell_fragment_shader_state
  53 {
  54    struct pipe_shader_state shader;
  55    struct tgsi_shader_info info;
  56    void *data;
  57 };
  58
  59
  60 struct cell_context
  61 {
  62    struct pipe_context pipe;
  63
  64    struct cell_winsys *winsys;
  65
  66    const struct pipe_blend_state *blend;
  67    const struct pipe_sampler_state *sampler[PIPE_MAX_SAMPLERS];
  68    uint num_samplers;
  69    const struct pipe_depth_stencil_alpha_state   *depth_stencil;
  70    const struct pipe_rasterizer_state *rasterizer;
  71    const struct cell_vertex_shader_state *vs;
  72    const struct cell_fragment_shader_state *fs;
  73
  74    struct pipe_blend_color blend_color;
  75    struct pipe_clip_state clip;
  76    struct pipe_constant_buffer constants[2];
  77    struct pipe_framebuffer_state framebuffer;
  78    struct pipe_poly_stipple poly_stipple;
  79    struct pipe_scissor_state scissor;
  80    struct cell_texture *texture[PIPE_MAX_SAMPLERS];
  81    uint num_textures;
  82    struct pipe_viewport_state viewport;
  83    struct pipe_vertex_buffer vertex_buffer[PIPE_ATTRIB_MAX];
  84    struct pipe_vertex_element vertex_element[PIPE_ATTRIB_MAX];
  85
  86    ubyte *cbuf_map[PIPE_MAX_COLOR_BUFS];
  87    ubyte *zsbuf_map;
  88
  89    struct pipe_surface *tex_surf;
  90    uint *tex_map;
  91
  92    uint dirty;
  93
  94    /** The primitive drawing context */
  95    struct draw_context *draw;
  96    struct draw_stage *render_stage;
  97
  98    /** For post-transformed vertex buffering: */
  99    struct cell_vbuf_render *vbuf_render;
 100    struct draw_stage *vbuf;
 101
 102    struct vertex_info vertex_info;
 103
 104    /** Mapped constant buffers */
 105    void *mapped_constants[PIPE_SHADER_TYPES];
 106
 107
 108    uint num_spus;
 109
 110    /** Buffers for command batches, vertex/index data */
 111    uint buffer_size[CELL_NUM_BUFFERS];
 112    ubyte buffer[CELL_NUM_BUFFERS][CELL_BUFFER_SIZE] ALIGN16_ATTRIB;
 113
 114    int cur_batch;  /**< which buffer is being filled w/ commands */
 115
 116    /** [4] to ensure 16-byte alignment for each status word */
 117    uint buffer_status[CELL_MAX_SPUS][CELL_NUM_BUFFERS][4] ALIGN16_ATTRIB;
 118
 119
 120    struct spe_function attrib_fetch;
 121    unsigned attrib_fetch_offsets[PIPE_ATTRIB_MAX];
 122 };
 123
 124
 125
 126
 127 static INLINE struct cell_context *
 128 cell_context(struct pipe_context *pipe)
 129 {
 130    return (struct cell_context *) pipe;
 131 }
 132
 133
 134 extern struct pipe_context *
 135 cell_create_context(struct pipe_screen *screen, struct cell_winsys *cws);
 136
 137 extern void
 138 cell_vertex_shader_queue_flush(struct draw_context *draw);
 139
 140
 141 /* XXX find a better home for this */
 142 extern void cell_update_vertex_fetch(struct draw_context *draw);
 143
 144
 145 #endif /* CELL_CONTEXT_H */