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