softpipe: First attempts at multithreaded softpipe.
Configured for 2 cores.
This commit is contained in:
parent
5a25628bd2
commit
ebe6160d7c
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@ -92,17 +92,19 @@ static void softpipe_destroy( struct pipe_context *pipe )
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if (softpipe->draw)
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draw_destroy( softpipe->draw );
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softpipe->quad.polygon_stipple->destroy( softpipe->quad.polygon_stipple );
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softpipe->quad.earlyz->destroy( softpipe->quad.earlyz );
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softpipe->quad.shade->destroy( softpipe->quad.shade );
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softpipe->quad.alpha_test->destroy( softpipe->quad.alpha_test );
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softpipe->quad.depth_test->destroy( softpipe->quad.depth_test );
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softpipe->quad.stencil_test->destroy( softpipe->quad.stencil_test );
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softpipe->quad.occlusion->destroy( softpipe->quad.occlusion );
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softpipe->quad.coverage->destroy( softpipe->quad.coverage );
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softpipe->quad.blend->destroy( softpipe->quad.blend );
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softpipe->quad.colormask->destroy( softpipe->quad.colormask );
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softpipe->quad.output->destroy( softpipe->quad.output );
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for (i = 0; i < SP_NUM_QUAD_THREADS; i++) {
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softpipe->quad[i].polygon_stipple->destroy( softpipe->quad[i].polygon_stipple );
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softpipe->quad[i].earlyz->destroy( softpipe->quad[i].earlyz );
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softpipe->quad[i].shade->destroy( softpipe->quad[i].shade );
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softpipe->quad[i].alpha_test->destroy( softpipe->quad[i].alpha_test );
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softpipe->quad[i].depth_test->destroy( softpipe->quad[i].depth_test );
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softpipe->quad[i].stencil_test->destroy( softpipe->quad[i].stencil_test );
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softpipe->quad[i].occlusion->destroy( softpipe->quad[i].occlusion );
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softpipe->quad[i].coverage->destroy( softpipe->quad[i].coverage );
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softpipe->quad[i].blend->destroy( softpipe->quad[i].blend );
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softpipe->quad[i].colormask->destroy( softpipe->quad[i].colormask );
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softpipe->quad[i].output->destroy( softpipe->quad[i].output );
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}
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for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++)
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sp_destroy_tile_cache(softpipe->cbuf_cache[i]);
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@ -205,17 +207,19 @@ softpipe_create( struct pipe_screen *screen,
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/* setup quad rendering stages */
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softpipe->quad.polygon_stipple = sp_quad_polygon_stipple_stage(softpipe);
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softpipe->quad.earlyz = sp_quad_earlyz_stage(softpipe);
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softpipe->quad.shade = sp_quad_shade_stage(softpipe);
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softpipe->quad.alpha_test = sp_quad_alpha_test_stage(softpipe);
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softpipe->quad.depth_test = sp_quad_depth_test_stage(softpipe);
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softpipe->quad.stencil_test = sp_quad_stencil_test_stage(softpipe);
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softpipe->quad.occlusion = sp_quad_occlusion_stage(softpipe);
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softpipe->quad.coverage = sp_quad_coverage_stage(softpipe);
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softpipe->quad.blend = sp_quad_blend_stage(softpipe);
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softpipe->quad.colormask = sp_quad_colormask_stage(softpipe);
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softpipe->quad.output = sp_quad_output_stage(softpipe);
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for (i = 0; i < SP_NUM_QUAD_THREADS; i++) {
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softpipe->quad[i].polygon_stipple = sp_quad_polygon_stipple_stage(softpipe);
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softpipe->quad[i].earlyz = sp_quad_earlyz_stage(softpipe);
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softpipe->quad[i].shade = sp_quad_shade_stage(softpipe);
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softpipe->quad[i].alpha_test = sp_quad_alpha_test_stage(softpipe);
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softpipe->quad[i].depth_test = sp_quad_depth_test_stage(softpipe);
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softpipe->quad[i].stencil_test = sp_quad_stencil_test_stage(softpipe);
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softpipe->quad[i].occlusion = sp_quad_occlusion_stage(softpipe);
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softpipe->quad[i].coverage = sp_quad_coverage_stage(softpipe);
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softpipe->quad[i].blend = sp_quad_blend_stage(softpipe);
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softpipe->quad[i].colormask = sp_quad_colormask_stage(softpipe);
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softpipe->quad[i].output = sp_quad_output_stage(softpipe);
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}
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/*
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* Create drawing context and plug our rendering stage into it.
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@ -257,3 +261,4 @@ softpipe_create( struct pipe_screen *screen,
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softpipe_destroy(&softpipe->pipe);
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return NULL;
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}
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@ -45,6 +45,10 @@
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*/
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#define USE_DRAW_STAGE_PSTIPPLE 1
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/* Number of threads working on individual quads.
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* Setting to 1 disables this feature.
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*/
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#define SP_NUM_QUAD_THREADS 2
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struct softpipe_winsys;
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struct softpipe_vbuf_render;
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@ -133,7 +137,7 @@ struct softpipe_context {
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struct quad_stage *output;
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struct quad_stage *first; /**< points to one of the above stages */
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} quad;
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} quad[SP_NUM_QUAD_THREADS];
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/** The primitive drawing context */
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struct draw_context *draw;
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@ -151,13 +155,11 @@ struct softpipe_context {
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};
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static INLINE struct softpipe_context *
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softpipe_context( struct pipe_context *pipe )
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{
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return (struct softpipe_context *)pipe;
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}
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#endif /* SP_CONTEXT_H */
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@ -33,29 +33,33 @@
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static void
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sp_push_quad_first(
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struct softpipe_context *sp,
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struct quad_stage *quad )
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struct quad_stage *quad,
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uint i )
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{
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quad->next = sp->quad.first;
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sp->quad.first = quad;
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quad->next = sp->quad[i].first;
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sp->quad[i].first = quad;
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}
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static void
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sp_build_depth_stencil(
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struct softpipe_context *sp )
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struct softpipe_context *sp,
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uint i )
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{
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if (sp->depth_stencil->stencil[0].enabled ||
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sp->depth_stencil->stencil[1].enabled) {
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sp_push_quad_first( sp, sp->quad.stencil_test );
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sp_push_quad_first( sp, sp->quad[i].stencil_test, i );
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}
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else if (sp->depth_stencil->depth.enabled &&
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sp->framebuffer.zsbuf) {
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sp_push_quad_first( sp, sp->quad.depth_test );
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sp_push_quad_first( sp, sp->quad[i].depth_test, i );
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}
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}
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void
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sp_build_quad_pipeline(struct softpipe_context *sp)
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{
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uint i;
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boolean early_depth_test =
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sp->depth_stencil->depth.enabled &&
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sp->framebuffer.zsbuf &&
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@ -64,49 +68,51 @@ sp_build_quad_pipeline(struct softpipe_context *sp)
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!sp->fs->info.writes_z;
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/* build up the pipeline in reverse order... */
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for (i = 0; i < SP_NUM_QUAD_THREADS; i++) {
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sp->quad[i].first = sp->quad[i].output;
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sp->quad.first = sp->quad.output;
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if (sp->blend->colormask != 0xf) {
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sp_push_quad_first( sp, sp->quad[i].colormask, i );
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}
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if (sp->blend->colormask != 0xf) {
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sp_push_quad_first( sp, sp->quad.colormask );
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}
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if (sp->blend->blend_enable ||
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sp->blend->logicop_enable) {
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sp_push_quad_first( sp, sp->quad[i].blend, i );
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}
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if (sp->blend->blend_enable ||
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sp->blend->logicop_enable) {
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sp_push_quad_first( sp, sp->quad.blend );
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}
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if (sp->depth_stencil->depth.occlusion_count) {
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sp_push_quad_first( sp, sp->quad[i].occlusion, i );
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}
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if (sp->depth_stencil->depth.occlusion_count) {
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sp_push_quad_first( sp, sp->quad.occlusion );
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}
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if (sp->rasterizer->poly_smooth ||
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sp->rasterizer->line_smooth ||
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sp->rasterizer->point_smooth) {
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sp_push_quad_first( sp, sp->quad[i].coverage, i );
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}
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if (sp->rasterizer->poly_smooth ||
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sp->rasterizer->line_smooth ||
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sp->rasterizer->point_smooth) {
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sp_push_quad_first( sp, sp->quad.coverage );
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}
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if (!early_depth_test) {
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sp_build_depth_stencil( sp, i );
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}
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if (!early_depth_test) {
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sp_build_depth_stencil( sp );
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}
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if (sp->depth_stencil->alpha.enabled) {
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sp_push_quad_first( sp, sp->quad[i].alpha_test, i );
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}
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if (sp->depth_stencil->alpha.enabled) {
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sp_push_quad_first( sp, sp->quad.alpha_test );
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}
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/* XXX always enable shader? */
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if (1) {
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sp_push_quad_first( sp, sp->quad[i].shade, i );
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}
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/* XXX always enable shader? */
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if (1) {
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sp_push_quad_first( sp, sp->quad.shade );
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}
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if (early_depth_test) {
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sp_build_depth_stencil( sp );
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sp_push_quad_first( sp, sp->quad.earlyz );
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}
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if (early_depth_test) {
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sp_build_depth_stencil( sp, i );
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sp_push_quad_first( sp, sp->quad[i].earlyz, i );
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}
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#if !USE_DRAW_STAGE_PSTIPPLE
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if (sp->rasterizer->poly_stipple_enable) {
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sp_push_quad_first( sp, sp->quad.polygon_stipple );
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}
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if (sp->rasterizer->poly_stipple_enable) {
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sp_push_quad_first( sp, sp->quad[i].polygon_stipple, i );
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}
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#endif
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}
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}
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@ -43,6 +43,7 @@
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#include "draw/draw_private.h"
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#include "draw/draw_vertex.h"
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#include "pipe/p_shader_tokens.h"
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#include "pipe/p_thread.h"
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#include "util/u_math.h"
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#include "util/u_memory.h"
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@ -61,6 +62,51 @@ struct edge {
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int lines; /**< number of lines on this edge */
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};
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#if SP_NUM_QUAD_THREADS > 1
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struct thread_info
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{
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struct setup_context *setup;
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uint id;
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pipe_thread handle;
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};
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struct quad_job;
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typedef void (* quad_job_routine)( struct setup_context *setup, uint thread, struct quad_job *job );
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struct quad_job
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{
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int x, y;
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unsigned mask;
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struct quad_header quad;
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quad_job_routine routine;
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};
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#define NUM_QUAD_JOBS 64
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struct quad_job_que
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{
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struct quad_job jobs[NUM_QUAD_JOBS];
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uint first;
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uint last;
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pipe_mutex mutex;
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};
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static void
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add_quad_job( struct quad_job_que *que, int x, int y, unsigned mask, struct quad_header *quad, quad_job_routine routine )
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{
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while ((que->last + 1) % NUM_QUAD_JOBS == que->first)
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usleep( 10 );
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que->jobs[que->last].x = x;
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que->jobs[que->last].y = y;
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que->jobs[que->last].mask = mask;
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que->jobs[que->last].quad = *quad;
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que->jobs[que->last].routine = routine;
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que->last = (que->last + 1) % NUM_QUAD_JOBS;
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}
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#endif
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/**
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* Triangle setup info (derived from draw_stage).
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@ -88,6 +134,12 @@ struct setup_context {
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struct tgsi_interp_coef posCoef; /* For Z, W */
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struct quad_header quad;
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#if SP_NUM_QUAD_THREADS > 1
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struct quad_job_que que;
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struct thread_info threads[SP_NUM_QUAD_THREADS];
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#endif
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struct {
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int left[2]; /**< [0] = row0, [1] = row1 */
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int right[2];
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unsigned winding; /* which winding to cull */
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};
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#if SP_NUM_QUAD_THREADS > 1
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static PIPE_THREAD_ROUTINE( quad_thread, param )
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{
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struct thread_info *info = (struct thread_info *) param;
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for (;;) {
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struct quad_job *job;
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while (info->setup->que.last == info->setup->que.first)
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usleep( 10 );
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pipe_mutex_lock( info->setup->que.mutex );
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job = &info->setup->que.jobs[info->setup->que.first];
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info->setup->que.first = (info->setup->que.first + 1) % NUM_QUAD_JOBS;
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job->routine( info->setup, info->id, job );
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pipe_mutex_unlock( info->setup->que.mutex );
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}
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}
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#define WAIT_FOR_COMPLETION(setup) \
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do {\
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while (setup->que.last != setup->que.first)\
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usleep( 10 );\
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} while (0)
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#else
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#define WAIT_FOR_COMPLETION(setup) ((void) 0)
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#endif
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/**
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* Test if x is NaN or +/- infinity.
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@ -143,7 +224,7 @@ static boolean cull_tri( struct setup_context *setup,
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* Clip setup->quad against the scissor/surface bounds.
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*/
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static INLINE void
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quad_clip(struct setup_context *setup)
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quad_clip( struct setup_context *setup, struct quad_header *quad )
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{
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const struct pipe_scissor_state *cliprect = &setup->softpipe->cliprect;
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const int minx = (int) cliprect->minx;
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const int miny = (int) cliprect->miny;
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const int maxy = (int) cliprect->maxy;
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if (setup->quad.x0 >= maxx ||
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setup->quad.y0 >= maxy ||
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setup->quad.x0 + 1 < minx ||
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setup->quad.y0 + 1 < miny) {
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if (quad->x0 >= maxx ||
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quad->y0 >= maxy ||
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quad->x0 + 1 < minx ||
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quad->y0 + 1 < miny) {
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/* totally clipped */
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setup->quad.mask = 0x0;
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quad->mask = 0x0;
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return;
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}
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if (setup->quad.x0 < minx)
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setup->quad.mask &= (MASK_BOTTOM_RIGHT | MASK_TOP_RIGHT);
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if (setup->quad.y0 < miny)
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setup->quad.mask &= (MASK_BOTTOM_LEFT | MASK_BOTTOM_RIGHT);
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if (setup->quad.x0 == maxx - 1)
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setup->quad.mask &= (MASK_BOTTOM_LEFT | MASK_TOP_LEFT);
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if (setup->quad.y0 == maxy - 1)
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setup->quad.mask &= (MASK_TOP_LEFT | MASK_TOP_RIGHT);
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if (quad->x0 < minx)
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quad->mask &= (MASK_BOTTOM_RIGHT | MASK_TOP_RIGHT);
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if (quad->y0 < miny)
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quad->mask &= (MASK_BOTTOM_LEFT | MASK_BOTTOM_RIGHT);
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if (quad->x0 == maxx - 1)
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quad->mask &= (MASK_BOTTOM_LEFT | MASK_TOP_LEFT);
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if (quad->y0 == maxy - 1)
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quad->mask &= (MASK_TOP_LEFT | MASK_TOP_RIGHT);
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}
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* Emit a quad (pass to next stage) with clipping.
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*/
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static INLINE void
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clip_emit_quad(struct setup_context *setup)
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clip_emit_quad( struct setup_context *setup, struct quad_header *quad, uint thread )
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{
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quad_clip(setup);
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if (setup->quad.mask) {
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quad_clip( setup, quad );
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if (quad->mask) {
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struct softpipe_context *sp = setup->softpipe;
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sp->quad.first->run(sp->quad.first, &setup->quad);
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sp->quad[thread].first->run( sp->quad[thread].first, quad );
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}
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}
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#if SP_NUM_QUAD_THREADS > 1
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static void
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clip_emit_quad_job( struct setup_context *setup, uint thread, struct quad_job *job )
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{
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clip_emit_quad( setup, &job->quad, thread );
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}
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#define CLIP_EMIT_QUAD(setup) add_quad_job( &setup->que, 0, 0, 0, &setup->quad, clip_emit_quad_job )
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#else
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#define CLIP_EMIT_QUAD(setup) clip_emit_quad( setup, &setup->quad, 0 )
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#endif
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/**
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* Emit a quad (pass to next stage). No clipping is done.
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*/
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static INLINE void
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emit_quad( struct setup_context *setup, int x, int y, unsigned mask )
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emit_quad( struct setup_context *setup, int x, int y, unsigned mask, struct quad_header *quad, uint thread )
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{
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struct softpipe_context *sp = setup->softpipe;
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setup->quad.x0 = x;
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setup->quad.y0 = y;
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setup->quad.mask = mask;
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quad->x0 = x;
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quad->y0 = y;
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quad->mask = mask;
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#if DEBUG_FRAGS
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if (mask & 1) setup->numFragsEmitted++;
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if (mask & 2) setup->numFragsEmitted++;
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if (mask & 4) setup->numFragsEmitted++;
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if (mask & 8) setup->numFragsEmitted++;
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||||
#endif
|
||||
sp->quad.first->run(sp->quad.first, &setup->quad);
|
||||
sp->quad[thread].first->run( sp->quad[thread].first, quad );
|
||||
#if DEBUG_FRAGS
|
||||
mask = setup->quad.mask;
|
||||
mask = quad->mask;
|
||||
if (mask & 1) setup->numFragsWritten++;
|
||||
if (mask & 2) setup->numFragsWritten++;
|
||||
if (mask & 4) setup->numFragsWritten++;
|
||||
|
@ -210,6 +308,21 @@ emit_quad( struct setup_context *setup, int x, int y, unsigned mask )
|
|||
#endif
|
||||
}
|
||||
|
||||
#if SP_NUM_QUAD_THREADS > 1
|
||||
|
||||
static void
|
||||
emit_quad_job( struct setup_context *setup, uint thread, struct quad_job *job )
|
||||
{
|
||||
emit_quad( setup, job->x, job->y, job->mask, &job->quad, thread );
|
||||
}
|
||||
|
||||
#define EMIT_QUAD(setup,x,y,mask) add_quad_job( &setup->que, x, y, mask, &setup->quad, emit_quad_job )
|
||||
|
||||
#else
|
||||
|
||||
#define EMIT_QUAD(setup,x,y,mask) emit_quad( setup, x, y, mask, &setup->quad, 0 )
|
||||
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Given an X or Y coordinate, return the block/quad coordinate that it
|
||||
|
@ -249,7 +362,7 @@ static void flush_spans( struct setup_context *setup )
|
|||
mask |= MASK_TOP_RIGHT;
|
||||
if (x+1 >= xleft1 && x+1 < xright1)
|
||||
mask |= MASK_BOTTOM_RIGHT;
|
||||
emit_quad( setup, x, setup->span.y, mask );
|
||||
EMIT_QUAD( setup, x, setup->span.y, mask );
|
||||
}
|
||||
break;
|
||||
|
||||
|
@ -263,7 +376,7 @@ static void flush_spans( struct setup_context *setup )
|
|||
mask |= MASK_TOP_LEFT;
|
||||
if (x+1 >= xleft0 && x+1 < xright0)
|
||||
mask |= MASK_TOP_RIGHT;
|
||||
emit_quad( setup, x, setup->span.y, mask );
|
||||
EMIT_QUAD( setup, x, setup->span.y, mask );
|
||||
}
|
||||
break;
|
||||
|
||||
|
@ -277,7 +390,7 @@ static void flush_spans( struct setup_context *setup )
|
|||
mask |= MASK_BOTTOM_LEFT;
|
||||
if (x+1 >= xleft1 && x+1 < xright1)
|
||||
mask |= MASK_BOTTOM_RIGHT;
|
||||
emit_quad( setup, x, setup->span.y, mask );
|
||||
EMIT_QUAD( setup, x, setup->span.y, mask );
|
||||
}
|
||||
break;
|
||||
|
||||
|
@ -790,6 +903,8 @@ void setup_tri( struct setup_context *setup,
|
|||
|
||||
flush_spans( setup );
|
||||
|
||||
WAIT_FOR_COMPLETION(setup);
|
||||
|
||||
#if DEBUG_FRAGS
|
||||
printf("Tri: %u frags emitted, %u written\n",
|
||||
setup->numFragsEmitted,
|
||||
|
@ -931,7 +1046,7 @@ plot(struct setup_context *setup, int x, int y)
|
|||
/* flush prev quad, start new quad */
|
||||
|
||||
if (setup->quad.x0 != -1)
|
||||
clip_emit_quad(setup);
|
||||
CLIP_EMIT_QUAD(setup);
|
||||
|
||||
setup->quad.x0 = quadX;
|
||||
setup->quad.y0 = quadY;
|
||||
|
@ -1053,8 +1168,10 @@ setup_line(struct setup_context *setup,
|
|||
|
||||
/* draw final quad */
|
||||
if (setup->quad.mask) {
|
||||
clip_emit_quad(setup);
|
||||
CLIP_EMIT_QUAD(setup);
|
||||
}
|
||||
|
||||
WAIT_FOR_COMPLETION(setup);
|
||||
}
|
||||
|
||||
|
||||
|
@ -1163,7 +1280,7 @@ setup_point( struct setup_context *setup,
|
|||
setup->quad.x0 = (int) x - ix;
|
||||
setup->quad.y0 = (int) y - iy;
|
||||
setup->quad.mask = (1 << ix) << (2 * iy);
|
||||
clip_emit_quad(setup);
|
||||
CLIP_EMIT_QUAD(setup);
|
||||
}
|
||||
else {
|
||||
if (round) {
|
||||
|
@ -1224,7 +1341,7 @@ setup_point( struct setup_context *setup,
|
|||
if (setup->quad.mask) {
|
||||
setup->quad.x0 = ix;
|
||||
setup->quad.y0 = iy;
|
||||
clip_emit_quad(setup);
|
||||
CLIP_EMIT_QUAD(setup);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
@ -1271,11 +1388,13 @@ setup_point( struct setup_context *setup,
|
|||
setup->quad.mask = mask;
|
||||
setup->quad.x0 = ix;
|
||||
setup->quad.y0 = iy;
|
||||
clip_emit_quad(setup);
|
||||
CLIP_EMIT_QUAD(setup);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
WAIT_FOR_COMPLETION(setup);
|
||||
}
|
||||
|
||||
void setup_prepare( struct setup_context *setup )
|
||||
|
@ -1300,7 +1419,9 @@ void setup_prepare( struct setup_context *setup )
|
|||
/* Note: nr_attrs is only used for debugging (vertex printing) */
|
||||
setup->quad.nr_attrs = draw_num_vs_outputs(sp->draw);
|
||||
|
||||
sp->quad.first->begin(sp->quad.first);
|
||||
for (i = 0; i < SP_NUM_QUAD_THREADS; i++) {
|
||||
sp->quad[i].first->begin( sp->quad[i].first );
|
||||
}
|
||||
|
||||
if (sp->reduced_api_prim == PIPE_PRIM_TRIANGLES &&
|
||||
sp->rasterizer->fill_cw == PIPE_POLYGON_MODE_FILL &&
|
||||
|
@ -1328,11 +1449,24 @@ void setup_destroy_context( struct setup_context *setup )
|
|||
struct setup_context *setup_create_context( struct softpipe_context *softpipe )
|
||||
{
|
||||
struct setup_context *setup = CALLOC_STRUCT(setup_context);
|
||||
uint i;
|
||||
|
||||
setup->softpipe = softpipe;
|
||||
|
||||
setup->quad.coef = setup->coef;
|
||||
setup->quad.posCoef = &setup->posCoef;
|
||||
|
||||
#if SP_NUM_QUAD_THREADS > 1
|
||||
setup->que.first = 0;
|
||||
setup->que.last = 0;
|
||||
pipe_mutex_init( setup->que.mutex );
|
||||
for (i = 0; i < SP_NUM_QUAD_THREADS; i++) {
|
||||
setup->threads[i].setup = setup;
|
||||
setup->threads[i].id = i;
|
||||
setup->threads[i].handle = pipe_thread_create( quad_thread, &setup->threads[i] );
|
||||
}
|
||||
#endif
|
||||
|
||||
return setup;
|
||||
}
|
||||
|
||||
|
|
Loading…
Reference in New Issue