src/gallium/drivers/cell/ppu/cell_context.c

   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 /**
  29  * Authors
  30  *  Brian Paul
  31  */
  32
  33
  34 #include <stdio.h>
  35
  36 #include "pipe/p_defines.h"
  37 #include "pipe/p_format.h"
  38 #include "pipe/p_util.h"
  39 #include "pipe/p_winsys.h"
  40 #include "cell/common.h"
  41 #include "draw/draw_context.h"
  42 #include "draw/draw_private.h"
  43 #include "cell_clear.h"
  44 #include "cell_context.h"
  45 #include "cell_draw_arrays.h"
  46 #include "cell_flush.h"
  47 #include "cell_render.h"
  48 #include "cell_state.h"
  49 #include "cell_surface.h"
  50 #include "cell_spu.h"
  51 #include "cell_texture.h"
  52 #include "cell_vbuf.h"
  53
  54
  55
  56 static boolean
  57 cell_is_format_supported( struct pipe_context *pipe,
  58                           enum pipe_format format, uint type )
  59 {
  60    /*struct cell_context *cell = cell_context( pipe );*/
  61
  62    switch (type) {
  63    case PIPE_TEXTURE:
  64       /* cell supports all texture formats, XXX for now anyway */
  65       return TRUE;
  66    case PIPE_SURFACE:
  67       /* cell supports all (off-screen) surface formats, XXX for now */
  68       return TRUE;
  69    default:
  70       assert(0);
  71       return FALSE;
  72    }
  73 }
  74
  75
  76 static int cell_get_param(struct pipe_context *pipe, int param)
  77 {
  78    switch (param) {
  79    case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
  80       return 8;
  81    case PIPE_CAP_NPOT_TEXTURES:
  82       return 1;
  83    case PIPE_CAP_TWO_SIDED_STENCIL:
  84       return 1;
  85    case PIPE_CAP_GLSL:
  86       return 1;
  87    case PIPE_CAP_S3TC:
  88       return 0;
  89    case PIPE_CAP_ANISOTROPIC_FILTER:
  90       return 0;
  91    case PIPE_CAP_POINT_SPRITE:
  92       return 1;
  93    case PIPE_CAP_MAX_RENDER_TARGETS:
  94       return 1;
  95    case PIPE_CAP_OCCLUSION_QUERY:
  96       return 1;
  97    case PIPE_CAP_TEXTURE_SHADOW_MAP:
  98       return 1;
  99    case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
 100       return 12; /* max 2Kx2K */
 101    case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 102       return 8;  /* max 128x128x128 */
 103    case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 104       return 12; /* max 2Kx2K */
 105    default:
 106       return 0;
 107    }
 108 }
 109
 110 static float cell_get_paramf(struct pipe_context *pipe, int param)
 111 {
 112    switch (param) {
 113    case PIPE_CAP_MAX_LINE_WIDTH:
 114       /* fall-through */
 115    case PIPE_CAP_MAX_LINE_WIDTH_AA:
 116       return 255.0; /* arbitrary */
 117
 118    case PIPE_CAP_MAX_POINT_WIDTH:
 119       /* fall-through */
 120    case PIPE_CAP_MAX_POINT_WIDTH_AA:
 121       return 255.0; /* arbitrary */
 122
 123    case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
 124       return 0.0;
 125
 126    case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
 127       return 16.0; /* arbitrary */
 128
 129    default:
 130       return 0;
 131    }
 132 }
 133
 134
 135 static const char *
 136 cell_get_name( struct pipe_context *pipe )
 137 {
 138    return "Cell";
 139 }
 140
 141 static const char *
 142 cell_get_vendor( struct pipe_context *pipe )
 143 {
 144    return "Tungsten Graphics, Inc.";
 145 }
 146
 147
 148
 149 static void
 150 cell_destroy_context( struct pipe_context *pipe )
 151 {
 152    struct cell_context *cell = cell_context(pipe);
 153
 154    cell_spu_exit(cell);
 155
 156    align_free(cell);
 157 }
 158
 159
 160 static struct draw_context *
 161 cell_draw_create(struct cell_context *cell)
 162 {
 163    struct draw_context *draw = draw_create();
 164
 165    if (getenv("GALLIUM_CELL_VS")) {
 166       /* plug in SPU-based vertex transformation code */
 167       draw->shader_queue_flush = cell_vertex_shader_queue_flush;
 168       draw->driver_private = cell;
 169    }
 170
 171    return draw;
 172 }
 173
 174
 175 struct pipe_context *
 176 cell_create_context(struct pipe_winsys *winsys, struct cell_winsys *cws)
 177 {
 178    struct cell_context *cell;
 179    uint spu, buf;
 180
 181    /* some fields need to be 16-byte aligned, so align the whole object */
 182    cell = (struct cell_context*) align_malloc(sizeof(struct cell_context), 16);
 183    if (!cell)
 184       return NULL;
 185
 186    memset(cell, 0, sizeof(*cell));
 187
 188    cell->winsys = cws;
 189    cell->pipe.winsys = winsys;
 190    cell->pipe.destroy = cell_destroy_context;
 191
 192    /* queries */
 193    cell->pipe.is_format_supported = cell_is_format_supported;
 194    cell->pipe.get_name = cell_get_name;
 195    cell->pipe.get_vendor = cell_get_vendor;
 196    cell->pipe.get_param = cell_get_param;
 197    cell->pipe.get_paramf = cell_get_paramf;
 198
 199
 200    /* state setters */
 201    cell->pipe.create_blend_state = cell_create_blend_state;
 202    cell->pipe.bind_blend_state   = cell_bind_blend_state;
 203    cell->pipe.delete_blend_state = cell_delete_blend_state;
 204
 205    cell->pipe.create_sampler_state = cell_create_sampler_state;
 206    cell->pipe.bind_sampler_state   = cell_bind_sampler_state;
 207    cell->pipe.delete_sampler_state = cell_delete_sampler_state;
 208
 209    cell->pipe.create_depth_stencil_alpha_state = cell_create_depth_stencil_alpha_state;
 210    cell->pipe.bind_depth_stencil_alpha_state   = cell_bind_depth_stencil_alpha_state;
 211    cell->pipe.delete_depth_stencil_alpha_state = cell_delete_depth_stencil_alpha_state;
 212
 213    cell->pipe.create_rasterizer_state = cell_create_rasterizer_state;
 214    cell->pipe.bind_rasterizer_state   = cell_bind_rasterizer_state;
 215    cell->pipe.delete_rasterizer_state = cell_delete_rasterizer_state;
 216
 217    cell->pipe.create_fs_state = cell_create_fs_state;
 218    cell->pipe.bind_fs_state   = cell_bind_fs_state;
 219    cell->pipe.delete_fs_state = cell_delete_fs_state;
 220
 221    cell->pipe.create_vs_state = cell_create_vs_state;
 222    cell->pipe.bind_vs_state   = cell_bind_vs_state;
 223    cell->pipe.delete_vs_state = cell_delete_vs_state;
 224
 225    cell->pipe.set_blend_color = cell_set_blend_color;
 226    cell->pipe.set_clip_state = cell_set_clip_state;
 227    cell->pipe.set_constant_buffer = cell_set_constant_buffer;
 228
 229    cell->pipe.set_framebuffer_state = cell_set_framebuffer_state;
 230
 231    cell->pipe.set_polygon_stipple = cell_set_polygon_stipple;
 232    cell->pipe.set_scissor_state = cell_set_scissor_state;
 233    cell->pipe.set_viewport_state = cell_set_viewport_state;
 234
 235    cell->pipe.set_vertex_buffer = cell_set_vertex_buffer;
 236    cell->pipe.set_vertex_element = cell_set_vertex_element;
 237
 238    cell->pipe.draw_arrays = cell_draw_arrays;
 239    cell->pipe.draw_elements = cell_draw_elements;
 240
 241    cell->pipe.clear = cell_clear_surface;
 242    cell->pipe.flush = cell_flush;
 243
 244    /* textures */
 245    cell->pipe.texture_create = cell_texture_create;
 246    cell->pipe.texture_release = cell_texture_release;
 247    cell->pipe.get_tex_surface = cell_get_tex_surface;
 248
 249    cell->pipe.set_sampler_texture = cell_set_sampler_texture;
 250
 251 #if 0
 252    cell->pipe.begin_query = cell_begin_query;
 253    cell->pipe.end_query = cell_end_query;
 254    cell->pipe.wait_query = cell_wait_query;
 255 #endif
 256
 257    cell_init_surface_functions(cell);
 258
 259    cell->draw = cell_draw_create(cell);
 260
 261    cell_init_vbuf(cell);
 262    draw_set_rasterize_stage(cell->draw, cell->vbuf);
 263
 264    /*
 265     * SPU stuff
 266     */
 267    cell->num_spus = 6;
 268
 269    cell_start_spus(cell);
 270
 271    /* init command, vertex/index buffer info */
 272    for (buf = 0; buf < CELL_NUM_BUFFERS; buf++) {
 273       cell->buffer_size[buf] = 0;
 274
 275       /* init batch buffer status values,
 276        * mark 0th buffer as used, rest as free.
 277        */
 278       for (spu = 0; spu < cell->num_spus; spu++) {
 279          if (buf == 0)
 280             cell->buffer_status[spu][buf][0] = CELL_BUFFER_STATUS_USED;
 281          else
 282             cell->buffer_status[spu][buf][0] = CELL_BUFFER_STATUS_FREE;
 283       }
 284    }
 285
 286    return &cell->pipe;
 287 }