From b939f83eb7af8f818c638453b2d2522b2362a831 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Marek=20Ol=C5=A1=C3=A1k?= Date: Wed, 30 Jun 2010 00:02:27 +0200 Subject: [PATCH] r300g: add workaround for multiple contexts --- src/gallium/drivers/r300/r300_context.c | 2 +- src/gallium/drivers/r300/r300_context.h | 1 + src/gallium/drivers/r300/r300_screen_buffer.c | 7 +++++++ 3 files changed, 9 insertions(+), 1 deletion(-) diff --git a/src/gallium/drivers/r300/r300_context.c b/src/gallium/drivers/r300/r300_context.c index 59129bc24d9..2fe2e0a96d7 100644 --- a/src/gallium/drivers/r300/r300_context.c +++ b/src/gallium/drivers/r300/r300_context.c @@ -121,7 +121,7 @@ static void r300_destroy_context(struct pipe_context* context) FREE(r300); } -static void r300_flush_cb(void *data) +void r300_flush_cb(void *data) { struct r300_context* const cs_context_copy = data; diff --git a/src/gallium/drivers/r300/r300_context.h b/src/gallium/drivers/r300/r300_context.h index ac5ae23cb5a..5bc5d989396 100644 --- a/src/gallium/drivers/r300/r300_context.h +++ b/src/gallium/drivers/r300/r300_context.h @@ -564,6 +564,7 @@ struct pipe_context* r300_create_context(struct pipe_screen* screen, boolean r300_check_cs(struct r300_context *r300, unsigned size); void r300_finish(struct r300_context *r300); +void r300_flush_cb(void *data); /* Context initialization. */ struct draw_stage* r300_draw_stage(struct r300_context* r300); diff --git a/src/gallium/drivers/r300/r300_screen_buffer.c b/src/gallium/drivers/r300/r300_screen_buffer.c index 7959e6a2f9e..f49f36b6264 100644 --- a/src/gallium/drivers/r300/r300_screen_buffer.c +++ b/src/gallium/drivers/r300/r300_screen_buffer.c @@ -178,7 +178,14 @@ r300_buffer_transfer_map( struct pipe_context *pipe, } } } + just_map: + /* XXX buffer_map might flush. + * We cannot flush here because there is a buffer manager between + * the context and winsys, and it does some magic to make the driver + * fast. This is a workaround for the case of multiple contexts. */ + rws->set_flush_cb(rws, r300_flush_cb, pipe); + map = rws->buffer_map(rws, rbuf->buf, transfer->usage); if (map == NULL) -- 2.30.2