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