forked from KolibriOS/kolibrios
170 lines
5.2 KiB
C
170 lines
5.2 KiB
C
/**************************************************************************
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*
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* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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/* Author:
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* Keith Whitwell <keith@tungstengraphics.com>
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*/
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#include "pipe/p_defines.h"
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#include "pipe/p_screen.h"
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#include "draw/draw_context.h"
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#include "sp_flush.h"
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#include "sp_context.h"
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#include "sp_state.h"
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#include "sp_tile_cache.h"
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#include "sp_tex_tile_cache.h"
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#include "util/u_memory.h"
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#include "util/u_string.h"
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void
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softpipe_flush( struct pipe_context *pipe,
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unsigned flags,
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struct pipe_fence_handle **fence )
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{
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struct softpipe_context *softpipe = softpipe_context(pipe);
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uint i;
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draw_flush(softpipe->draw);
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if (flags & SP_FLUSH_TEXTURE_CACHE) {
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unsigned sh;
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for (sh = 0; sh < Elements(softpipe->tex_cache); sh++) {
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for (i = 0; i < softpipe->num_sampler_views[sh]; i++) {
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sp_flush_tex_tile_cache(softpipe->tex_cache[sh][i]);
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}
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}
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}
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/* If this is a swapbuffers, just flush color buffers.
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*
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* The zbuffer changes are not discarded, but held in the cache
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* in the hope that a later clear will wipe them out.
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*/
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for (i = 0; i < softpipe->framebuffer.nr_cbufs; i++)
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if (softpipe->cbuf_cache[i])
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sp_flush_tile_cache(softpipe->cbuf_cache[i]);
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if (softpipe->zsbuf_cache)
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sp_flush_tile_cache(softpipe->zsbuf_cache);
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softpipe->dirty_render_cache = FALSE;
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/* Enable to dump BMPs of the color/depth buffers each frame */
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#if 0
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if (flags & PIPE_FLUSH_END_OF_FRAME) {
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static unsigned frame_no = 1;
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static char filename[256];
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util_snprintf(filename, sizeof(filename), "cbuf_%u.bmp", frame_no);
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debug_dump_surface_bmp(pipe, filename, softpipe->framebuffer.cbufs[0]);
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util_snprintf(filename, sizeof(filename), "zsbuf_%u.bmp", frame_no);
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debug_dump_surface_bmp(pipe, filename, softpipe->framebuffer.zsbuf);
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++frame_no;
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}
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#endif
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if (fence)
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*fence = (void*)(intptr_t)1;
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}
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void
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softpipe_flush_wrapped(struct pipe_context *pipe,
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struct pipe_fence_handle **fence,
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unsigned flags)
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{
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softpipe_flush(pipe, SP_FLUSH_TEXTURE_CACHE, fence);
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}
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/**
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* Flush context if necessary.
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*
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* Returns FALSE if it would have block, but do_not_block was set, TRUE
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* otherwise.
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*
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* TODO: move this logic to an auxiliary library?
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*/
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boolean
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softpipe_flush_resource(struct pipe_context *pipe,
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struct pipe_resource *texture,
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unsigned level,
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int layer,
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unsigned flush_flags,
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boolean read_only,
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boolean cpu_access,
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boolean do_not_block)
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{
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unsigned referenced;
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referenced = softpipe_is_resource_referenced(pipe, texture, level, layer);
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if ((referenced & SP_REFERENCED_FOR_WRITE) ||
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((referenced & SP_REFERENCED_FOR_READ) && !read_only)) {
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/*
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* TODO: The semantics of these flush flags are too obtuse. They should
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* disappear and the pipe driver should just ensure that all visible
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* side-effects happen when they need to happen.
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*/
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if (referenced & SP_REFERENCED_FOR_READ)
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flush_flags |= SP_FLUSH_TEXTURE_CACHE;
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if (cpu_access) {
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/*
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* Flush and wait.
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*/
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struct pipe_fence_handle *fence = NULL;
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if (do_not_block)
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return FALSE;
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softpipe_flush(pipe, flush_flags, &fence);
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if (fence) {
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/*
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* This is for illustrative purposes only, as softpipe does not
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* have fences.
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*/
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pipe->screen->fence_finish(pipe->screen, fence,
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PIPE_TIMEOUT_INFINITE);
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pipe->screen->fence_reference(pipe->screen, &fence, NULL);
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}
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} else {
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/*
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* Just flush.
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*/
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softpipe_flush(pipe, flush_flags, NULL);
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}
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}
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return TRUE;
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}
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