src/gallium/drivers/softpipe/sp_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 /* Author:
  29  *    Keith Whitwell <keith@tungstengraphics.com>
  30  */
  31
  32 #include "draw/draw_context.h"
  33 #include "pipe/p_defines.h"
  34 #include "pipe/p_inlines.h"
  35 #include "pipe/p_util.h"
  36 #include "sp_clear.h"
  37 #include "sp_context.h"
  38 #include "sp_flush.h"
  39 #include "sp_prim_setup.h"
  40 #include "sp_prim_vbuf.h"
  41 #include "sp_state.h"
  42 #include "sp_surface.h"
  43 #include "sp_tile_cache.h"
  44 #include "sp_texture.h"
  45 #include "sp_winsys.h"
  46 #include "sp_query.h"
  47
  48
  49
  50 /**
  51  * Map any drawing surfaces which aren't already mapped
  52  */
  53 void
  54 softpipe_map_surfaces(struct softpipe_context *sp)
  55 {
  56    unsigned i;
  57
  58    for (i = 0; i < sp->framebuffer.num_cbufs; i++) {
  59       sp_tile_cache_map_surfaces(sp->cbuf_cache[i]);
  60    }
  61
  62    sp_tile_cache_map_surfaces(sp->zsbuf_cache);
  63 }
  64
  65
  66 /**
  67  * Unmap any mapped drawing surfaces
  68  */
  69 void
  70 softpipe_unmap_surfaces(struct softpipe_context *sp)
  71 {
  72    uint i;
  73
  74    for (i = 0; i < sp->framebuffer.num_cbufs; i++)
  75       sp_flush_tile_cache(sp, sp->cbuf_cache[i]);
  76    sp_flush_tile_cache(sp, sp->zsbuf_cache);
  77
  78    for (i = 0; i < sp->framebuffer.num_cbufs; i++) {
  79       sp_tile_cache_unmap_surfaces(sp->cbuf_cache[i]);
  80    }
  81    sp_tile_cache_unmap_surfaces(sp->zsbuf_cache);
  82 }
  83
  84
  85 static void softpipe_destroy( struct pipe_context *pipe )
  86 {
  87    struct softpipe_context *softpipe = softpipe_context( pipe );
  88    struct pipe_winsys *ws = pipe->winsys;
  89    uint i;
  90
  91    draw_destroy( softpipe->draw );
  92
  93    softpipe->quad.polygon_stipple->destroy( softpipe->quad.polygon_stipple );
  94    softpipe->quad.earlyz->destroy( softpipe->quad.earlyz );
  95    softpipe->quad.shade->destroy( softpipe->quad.shade );
  96    softpipe->quad.alpha_test->destroy( softpipe->quad.alpha_test );
  97    softpipe->quad.depth_test->destroy( softpipe->quad.depth_test );
  98    softpipe->quad.stencil_test->destroy( softpipe->quad.stencil_test );
  99    softpipe->quad.occlusion->destroy( softpipe->quad.occlusion );
 100    softpipe->quad.coverage->destroy( softpipe->quad.coverage );
 101    softpipe->quad.blend->destroy( softpipe->quad.blend );
 102    softpipe->quad.colormask->destroy( softpipe->quad.colormask );
 103    softpipe->quad.output->destroy( softpipe->quad.output );
 104
 105    for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++)
 106       sp_destroy_tile_cache(softpipe->cbuf_cache[i]);
 107    sp_destroy_tile_cache(softpipe->zsbuf_cache);
 108
 109    for (i = 0; i < PIPE_MAX_SAMPLERS; i++)
 110       sp_destroy_tile_cache(softpipe->tex_cache[i]);
 111
 112    for (i = 0; i < Elements(softpipe->constants); i++) {
 113       if (softpipe->constants[i].buffer) {
 114          pipe_buffer_reference(ws, &softpipe->constants[i].buffer, NULL);
 115       }
 116    }
 117
 118    FREE( softpipe );
 119 }
 120
 121
 122 struct pipe_context *
 123 softpipe_create( struct pipe_screen *screen,
 124                  struct pipe_winsys *pipe_winsys,
 125                  void *unused )
 126 {
 127    struct softpipe_context *softpipe = CALLOC_STRUCT(softpipe_context);
 128    uint i;
 129
 130 #ifdef PIPE_ARCH_X86
 131    softpipe->use_sse = GETENV( "GALLIUM_NOSSE" ) == NULL;
 132 #else
 133    softpipe->use_sse = FALSE;
 134 #endif
 135
 136    softpipe->dump_fs = GETENV( "GALLIUM_DUMP_FS" ) != NULL;
 137
 138    softpipe->pipe.winsys = pipe_winsys;
 139    softpipe->pipe.screen = screen;
 140    softpipe->pipe.destroy = softpipe_destroy;
 141
 142    /* state setters */
 143    softpipe->pipe.create_blend_state = softpipe_create_blend_state;
 144    softpipe->pipe.bind_blend_state   = softpipe_bind_blend_state;
 145    softpipe->pipe.delete_blend_state = softpipe_delete_blend_state;
 146
 147    softpipe->pipe.create_sampler_state = softpipe_create_sampler_state;
 148    softpipe->pipe.bind_sampler_states  = softpipe_bind_sampler_states;
 149    softpipe->pipe.delete_sampler_state = softpipe_delete_sampler_state;
 150
 151    softpipe->pipe.create_depth_stencil_alpha_state = softpipe_create_depth_stencil_state;
 152    softpipe->pipe.bind_depth_stencil_alpha_state   = softpipe_bind_depth_stencil_state;
 153    softpipe->pipe.delete_depth_stencil_alpha_state = softpipe_delete_depth_stencil_state;
 154
 155    softpipe->pipe.create_rasterizer_state = softpipe_create_rasterizer_state;
 156    softpipe->pipe.bind_rasterizer_state   = softpipe_bind_rasterizer_state;
 157    softpipe->pipe.delete_rasterizer_state = softpipe_delete_rasterizer_state;
 158
 159    softpipe->pipe.create_fs_state = softpipe_create_fs_state;
 160    softpipe->pipe.bind_fs_state   = softpipe_bind_fs_state;
 161    softpipe->pipe.delete_fs_state = softpipe_delete_fs_state;
 162
 163    softpipe->pipe.create_vs_state = softpipe_create_vs_state;
 164    softpipe->pipe.bind_vs_state   = softpipe_bind_vs_state;
 165    softpipe->pipe.delete_vs_state = softpipe_delete_vs_state;
 166
 167    softpipe->pipe.set_blend_color = softpipe_set_blend_color;
 168    softpipe->pipe.set_clip_state = softpipe_set_clip_state;
 169    softpipe->pipe.set_constant_buffer = softpipe_set_constant_buffer;
 170    softpipe->pipe.set_framebuffer_state = softpipe_set_framebuffer_state;
 171    softpipe->pipe.set_polygon_stipple = softpipe_set_polygon_stipple;
 172    softpipe->pipe.set_scissor_state = softpipe_set_scissor_state;
 173    softpipe->pipe.set_sampler_textures = softpipe_set_sampler_textures;
 174    softpipe->pipe.set_viewport_state = softpipe_set_viewport_state;
 175
 176    softpipe->pipe.set_vertex_buffers = softpipe_set_vertex_buffers;
 177    softpipe->pipe.set_vertex_elements = softpipe_set_vertex_elements;
 178
 179    softpipe->pipe.draw_arrays = softpipe_draw_arrays;
 180    softpipe->pipe.draw_elements = softpipe_draw_elements;
 181    softpipe->pipe.set_edgeflags = softpipe_set_edgeflags;
 182
 183
 184    softpipe->pipe.clear = softpipe_clear;
 185    softpipe->pipe.flush = softpipe_flush;
 186
 187    softpipe_init_query_funcs( softpipe );
 188    softpipe_init_texture_funcs( softpipe );
 189
 190    /*
 191     * Alloc caches for accessing drawing surfaces and textures.
 192     * Must be before quad stage setup!
 193     */
 194    for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++)
 195       softpipe->cbuf_cache[i] = sp_create_tile_cache( screen );
 196    softpipe->zsbuf_cache = sp_create_tile_cache( screen );
 197
 198    for (i = 0; i < PIPE_MAX_SAMPLERS; i++)
 199       softpipe->tex_cache[i] = sp_create_tile_cache( screen );
 200
 201
 202    /* setup quad rendering stages */
 203    softpipe->quad.polygon_stipple = sp_quad_polygon_stipple_stage(softpipe);
 204    softpipe->quad.earlyz = sp_quad_earlyz_stage(softpipe);
 205    softpipe->quad.shade = sp_quad_shade_stage(softpipe);
 206    softpipe->quad.alpha_test = sp_quad_alpha_test_stage(softpipe);
 207    softpipe->quad.depth_test = sp_quad_depth_test_stage(softpipe);
 208    softpipe->quad.stencil_test = sp_quad_stencil_test_stage(softpipe);
 209    softpipe->quad.occlusion = sp_quad_occlusion_stage(softpipe);
 210    softpipe->quad.coverage = sp_quad_coverage_stage(softpipe);
 211    softpipe->quad.blend = sp_quad_blend_stage(softpipe);
 212    softpipe->quad.colormask = sp_quad_colormask_stage(softpipe);
 213    softpipe->quad.output = sp_quad_output_stage(softpipe);
 214
 215    /*
 216     * Create drawing context and plug our rendering stage into it.
 217     */
 218    softpipe->draw = draw_create();
 219    assert(softpipe->draw);
 220    softpipe->setup = sp_draw_render_stage(softpipe);
 221
 222    if (GETENV( "SP_NO_RAST" ) != NULL)
 223       softpipe->no_rast = TRUE;
 224
 225    if (GETENV( "SP_VBUF" ) != NULL) {
 226       sp_init_vbuf(softpipe);
 227    }
 228    else {
 229       draw_set_rasterize_stage(softpipe->draw, softpipe->setup);
 230    }
 231
 232    /* plug in AA line/point stages */
 233    draw_install_aaline_stage(softpipe->draw, &softpipe->pipe);
 234    draw_install_aapoint_stage(softpipe->draw, &softpipe->pipe);
 235
 236 #if USE_DRAW_STAGE_PSTIPPLE
 237    /* Do polygon stipple w/ texture map + frag prog? */
 238    draw_install_pstipple_stage(softpipe->draw, &softpipe->pipe);
 239 #endif
 240
 241    sp_init_surface_functions(softpipe);
 242
 243    return &softpipe->pipe;
 244 }