static void
svga_set_polygon_stipple(struct pipe_context *pipe,
const struct pipe_poly_stipple *stipple)
{
struct svga_context *svga = svga_context(pipe);
/* release old texture */
pipe_resource_reference(&svga->polygon_stipple.texture, NULL);
/* release old sampler view */
if (svga->polygon_stipple.sampler_view) {
pipe->sampler_view_destroy(pipe,
&svga->polygon_stipple.sampler_view->base);
}
/* create new stipple texture */
svga->polygon_stipple.texture =
util_pstipple_create_stipple_texture(pipe, stipple->stipple);
/* create new sampler view */
svga->polygon_stipple.sampler_view =
(struct svga_pipe_sampler_view *)
util_pstipple_create_sampler_view(pipe,
svga->polygon_stipple.texture);
/* allocate sampler state, if first time */
if (!svga->polygon_stipple.sampler) {
svga->polygon_stipple.sampler = util_pstipple_create_sampler(pipe);
}
svga->dirty |= SVGA_NEW_STIPPLE;
}
/**
* Called by drivers that want to install this polygon stipple stage
* into the draw module's pipeline. This will not be used if the
* hardware has native support for polygon stipple.
*/
boolean
draw_install_pstipple_stage(struct draw_context *draw,
struct pipe_context *pipe)
{
struct pstip_stage *pstip;
pipe->draw = (void *) draw;
/*
* Create / install pgon stipple drawing / prim stage
*/
pstip = draw_pstip_stage( draw, pipe );
if (!pstip)
goto fail;
draw->pipeline.pstipple = &pstip->stage;
/* save original driver functions */
pstip->driver_create_fs_state = pipe->create_fs_state;
pstip->driver_bind_fs_state = pipe->bind_fs_state;
pstip->driver_delete_fs_state = pipe->delete_fs_state;
pstip->driver_bind_sampler_states = pipe->bind_sampler_states;
pstip->driver_set_sampler_views = pipe->set_sampler_views;
pstip->driver_set_polygon_stipple = pipe->set_polygon_stipple;
/* create special texture, sampler state */
pstip->texture = util_pstipple_create_stipple_texture(pipe, NULL);
if (!pstip->texture)
goto fail;
pstip->sampler_view = util_pstipple_create_sampler_view(pipe,
pstip->texture);
if (!pstip->sampler_view)
goto fail;
pstip->sampler_cso = util_pstipple_create_sampler(pipe);
if (!pstip->sampler_cso)
goto fail;
/* override the driver's functions */
pipe->create_fs_state = pstip_create_fs_state;
pipe->bind_fs_state = pstip_bind_fs_state;
pipe->delete_fs_state = pstip_delete_fs_state;
pipe->bind_sampler_states = pstip_bind_sampler_states;
pipe->set_sampler_views = pstip_set_sampler_views;
pipe->set_polygon_stipple = pstip_set_polygon_stipple;
return TRUE;
fail:
if (pstip)
pstip->stage.destroy( &pstip->stage );
return FALSE;
}
struct pipe_context *
softpipe_create_context( struct pipe_screen *screen,
void *priv )
{
struct softpipe_screen *sp_screen = softpipe_screen(screen);
struct softpipe_context *softpipe = CALLOC_STRUCT(softpipe_context);
uint i, sh;
util_init_math();
softpipe->dump_fs = debug_get_bool_option( "SOFTPIPE_DUMP_FS", FALSE );
softpipe->dump_gs = debug_get_bool_option( "SOFTPIPE_DUMP_GS", FALSE );
softpipe->pipe.screen = screen;
softpipe->pipe.destroy = softpipe_destroy;
softpipe->pipe.priv = priv;
/* state setters */
softpipe_init_blend_funcs(&softpipe->pipe);
softpipe_init_clip_funcs(&softpipe->pipe);
softpipe_init_query_funcs( softpipe );
softpipe_init_rasterizer_funcs(&softpipe->pipe);
softpipe_init_sampler_funcs(&softpipe->pipe);
softpipe_init_shader_funcs(&softpipe->pipe);
softpipe_init_streamout_funcs(&softpipe->pipe);
softpipe_init_texture_funcs( &softpipe->pipe );
softpipe_init_vertex_funcs(&softpipe->pipe);
softpipe->pipe.set_framebuffer_state = softpipe_set_framebuffer_state;
softpipe->pipe.draw_vbo = softpipe_draw_vbo;
softpipe->pipe.clear = softpipe_clear;
softpipe->pipe.flush = softpipe_flush_wrapped;
softpipe->pipe.render_condition = softpipe_render_condition;
softpipe->pipe.create_video_decoder = vl_create_decoder;
softpipe->pipe.create_video_buffer = vl_video_buffer_create;
/*
* Alloc caches for accessing drawing surfaces and textures.
* Must be before quad stage setup!
*/
for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++)
softpipe->cbuf_cache[i] = sp_create_tile_cache( &softpipe->pipe );
softpipe->zsbuf_cache = sp_create_tile_cache( &softpipe->pipe );
/* Allocate texture caches */
for (sh = 0; sh < Elements(softpipe->tex_cache); sh++) {
for (i = 0; i < Elements(softpipe->tex_cache[0]); i++) {
softpipe->tex_cache[sh][i] = sp_create_tex_tile_cache(&softpipe->pipe);
if (!softpipe->tex_cache[sh][i])
goto fail;
}
}
softpipe->fs_machine = tgsi_exec_machine_create();
/* setup quad rendering stages */
softpipe->quad.shade = sp_quad_shade_stage(softpipe);
softpipe->quad.depth_test = sp_quad_depth_test_stage(softpipe);
softpipe->quad.blend = sp_quad_blend_stage(softpipe);
softpipe->quad.pstipple = sp_quad_polygon_stipple_stage(softpipe);
/*
* Create drawing context and plug our rendering stage into it.
*/
if (sp_screen->use_llvm)
softpipe->draw = draw_create(&softpipe->pipe);
else
softpipe->draw = draw_create_no_llvm(&softpipe->pipe);
if (!softpipe->draw)
goto fail;
draw_texture_samplers(softpipe->draw,
PIPE_SHADER_VERTEX,
PIPE_MAX_SAMPLERS,
(struct tgsi_sampler **)
softpipe->tgsi.samplers_list[PIPE_SHADER_VERTEX]);
draw_texture_samplers(softpipe->draw,
PIPE_SHADER_GEOMETRY,
PIPE_MAX_SAMPLERS,
(struct tgsi_sampler **)
softpipe->tgsi.samplers_list[PIPE_SHADER_GEOMETRY]);
if (debug_get_bool_option( "SOFTPIPE_NO_RAST", FALSE ))
softpipe->no_rast = TRUE;
softpipe->vbuf_backend = sp_create_vbuf_backend(softpipe);
if (!softpipe->vbuf_backend)
goto fail;
softpipe->vbuf = draw_vbuf_stage(softpipe->draw, softpipe->vbuf_backend);
if (!softpipe->vbuf)
goto fail;
draw_set_rasterize_stage(softpipe->draw, softpipe->vbuf);
draw_set_render(softpipe->draw, softpipe->vbuf_backend);
/* plug in AA line/point stages */
draw_install_aaline_stage(softpipe->draw, &softpipe->pipe);
draw_install_aapoint_stage(softpipe->draw, &softpipe->pipe);
/* Do polygon stipple w/ texture map + frag prog? */
#if DO_PSTIPPLE_IN_DRAW_MODULE
draw_install_pstipple_stage(softpipe->draw, &softpipe->pipe);
#endif
draw_wide_point_sprites(softpipe->draw, TRUE);
sp_init_surface_functions(softpipe);
#if DO_PSTIPPLE_IN_HELPER_MODULE
/* create the polgon stipple sampler */
softpipe->pstipple.sampler = util_pstipple_create_sampler(&softpipe->pipe);
#endif
return &softpipe->pipe;
fail:
softpipe_destroy(&softpipe->pipe);
return NULL;
}
