/**************************************************************************
*
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2007 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* 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 TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * 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 <keith@tungstengraphics.com>
+ * Keith Whitwell <keithw@vmware.com>
*/
#include "pipe/p_defines.h"
+#include "pipe/p_screen.h"
+#include "util/u_debug_image.h"
+#include "util/u_string.h"
#include "draw/draw_context.h"
#include "lp_flush.h"
#include "lp_context.h"
#include "lp_setup.h"
+/**
+ * \param fence if non-null, returns pointer to a fence which can be waited on
+ */
void
llvmpipe_flush( struct pipe_context *pipe,
- unsigned flags,
- struct pipe_fence_handle **fence )
+ struct pipe_fence_handle **fence,
+ const char *reason)
{
struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
draw_flush(llvmpipe->draw);
- if (fence) {
- if ((flags & (PIPE_FLUSH_SWAPBUFFERS |
- PIPE_FLUSH_RENDER_CACHE))) {
- /* if we're going to flush the setup/rasterization modules, emit
- * a fence.
- * XXX this (and the code below) may need fine tuning...
- */
- *fence = lp_setup_fence( llvmpipe->setup );
- }
- else {
- *fence = NULL;
- }
- }
-
- /* XXX the lp_setup_flush(flags) param is not a bool, and it's ignored
- * at this time!
- */
- if (flags & PIPE_FLUSH_SWAPBUFFERS) {
- lp_setup_flush( llvmpipe->setup, FALSE );
- }
- else if (flags & PIPE_FLUSH_RENDER_CACHE) {
- lp_setup_flush( llvmpipe->setup, TRUE );
- }
+ /* ask the setup module to flush */
+ lp_setup_flush(llvmpipe->setup, fence, reason);
/* Enable to dump BMPs of the color/depth buffers each frame */
-#if 0
- if (flags & PIPE_FLUSH_FRAME) {
+ if (0) {
static unsigned frame_no = 1;
char filename[256];
unsigned i;
for (i = 0; i < llvmpipe->framebuffer.nr_cbufs; i++) {
- util_snprintf(filename, sizeof(filename), "cbuf%u_%u", i, frame_no);
- debug_dump_surface(filename, llvmpipe->framebuffer.cbufs[i]);
+ util_snprintf(filename, sizeof(filename), "cbuf%u_%u", i, frame_no);
+ debug_dump_surface_bmp(&llvmpipe->pipe, filename, llvmpipe->framebuffer.cbufs[i]);
}
if (0) {
util_snprintf(filename, sizeof(filename), "zsbuf_%u", frame_no);
- debug_dump_surface(filename, llvmpipe->framebuffer.zsbuf);
+ debug_dump_surface_bmp(&llvmpipe->pipe, filename, llvmpipe->framebuffer.zsbuf);
}
++frame_no;
}
-#endif
}
+void
+llvmpipe_finish( struct pipe_context *pipe,
+ const char *reason )
+{
+ struct pipe_fence_handle *fence = NULL;
+ llvmpipe_flush(pipe, &fence, reason);
+ if (fence) {
+ pipe->screen->fence_finish(pipe->screen, NULL, fence,
+ PIPE_TIMEOUT_INFINITE);
+ pipe->screen->fence_reference(pipe->screen, &fence, NULL);
+ }
+}
+
+/**
+ * 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
+llvmpipe_flush_resource(struct pipe_context *pipe,
+ struct pipe_resource *resource,
+ unsigned level,
+ boolean read_only,
+ boolean cpu_access,
+ boolean do_not_block,
+ const char *reason)
+{
+ unsigned referenced;
+
+ referenced = llvmpipe_is_resource_referenced(pipe, resource, level);
+
+ if ((referenced & LP_REFERENCED_FOR_WRITE) ||
+ ((referenced & LP_REFERENCED_FOR_READ) && !read_only)) {
+
+ if (cpu_access) {
+ /*
+ * Flush and wait.
+ */
+ if (do_not_block)
+ return FALSE;
+
+ llvmpipe_finish(pipe, reason);
+ } else {
+ /*
+ * Just flush.
+ */
+
+ llvmpipe_flush(pipe, NULL, reason);
+ }
+ }
+
+ return TRUE;
+}