135 lines
4.3 KiB
C
135 lines
4.3 KiB
C
/**************************************************************************
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*
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* Copyright 2007 VMware, Inc.
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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 VMWARE 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 <keithw@vmware.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 "util/u_debug_image.h"
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#include "util/u_string.h"
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#include "draw/draw_context.h"
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#include "lp_flush.h"
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#include "lp_context.h"
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#include "lp_setup.h"
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#include "lp_fence.h"
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#include "lp_screen.h"
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#include "lp_rast.h"
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/**
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* \param fence if non-null, returns pointer to a fence which can be waited on
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*/
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void
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llvmpipe_flush( struct pipe_context *pipe,
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struct pipe_fence_handle **fence,
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const char *reason)
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{
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struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
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struct llvmpipe_screen *screen = llvmpipe_screen(pipe->screen);
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draw_flush(llvmpipe->draw);
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/* ask the setup module to flush */
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lp_setup_flush(llvmpipe->setup, reason);
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lp_rast_fence(screen->rast, (struct lp_fence **)fence);
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if (fence && (!*fence))
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*fence = (struct pipe_fence_handle *)lp_fence_create(0);
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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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static unsigned frame_no = 1;
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char filename[256];
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unsigned i;
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for (i = 0; i < llvmpipe->framebuffer.nr_cbufs; i++) {
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snprintf(filename, sizeof(filename), "cbuf%u_%u", i, frame_no);
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debug_dump_surface_bmp(&llvmpipe->pipe, filename, llvmpipe->framebuffer.cbufs[i]);
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}
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if (0) {
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snprintf(filename, sizeof(filename), "zsbuf_%u", frame_no);
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debug_dump_surface_bmp(&llvmpipe->pipe, filename, llvmpipe->framebuffer.zsbuf);
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}
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++frame_no;
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}
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}
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void
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llvmpipe_finish( struct pipe_context *pipe,
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const char *reason )
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{
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struct pipe_fence_handle *fence = NULL;
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llvmpipe_flush(pipe, &fence, reason);
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if (fence) {
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pipe->screen->fence_finish(pipe->screen, NULL, 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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}
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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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llvmpipe_flush_resource(struct pipe_context *pipe,
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struct pipe_resource *resource,
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unsigned level,
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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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const char *reason)
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{
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unsigned referenced = 0;
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struct llvmpipe_screen *lp_screen = llvmpipe_screen(pipe->screen);
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mtx_lock(&lp_screen->ctx_mutex);
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list_for_each_entry(struct llvmpipe_context, ctx, &lp_screen->ctx_list, list)
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referenced |= llvmpipe_is_resource_referenced((struct pipe_context *)ctx, resource, level);
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mtx_unlock(&lp_screen->ctx_mutex);
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if ((referenced & LP_REFERENCED_FOR_WRITE) ||
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((referenced & LP_REFERENCED_FOR_READ) && !read_only)) {
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if (cpu_access)
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if (do_not_block)
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return FALSE;
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/*
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* Flush and wait.
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* Finish so VS can use FS results.
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*/
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llvmpipe_finish(pipe, reason);
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}
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return TRUE;
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}
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