From fe3b1e14480f303614c9c834f54615e75ec2392a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Nicolai=20H=C3=A4hnle?= Date: Wed, 20 Apr 2016 09:11:16 -0500 Subject: radeon: handle query buffer allocation and mapping failures MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=94984 Reviewed-by: Marek Olšák --- src/gallium/drivers/radeon/r600_query.c | 40 ++++++++++++++++++++++++++------- 1 file changed, 32 insertions(+), 8 deletions(-) (limited to 'src/gallium/drivers/radeon/r600_query.c') diff --git a/src/gallium/drivers/radeon/r600_query.c b/src/gallium/drivers/radeon/r600_query.c index 6e53c76..38c7026 100644 --- a/src/gallium/drivers/radeon/r600_query.c +++ b/src/gallium/drivers/radeon/r600_query.c @@ -271,14 +271,20 @@ static struct r600_resource *r600_new_query_buffer(struct r600_common_context *c struct r600_resource *buf = (struct r600_resource*) pipe_buffer_create(ctx->b.screen, PIPE_BIND_CUSTOM, PIPE_USAGE_STAGING, buf_size); + if (!buf) + return NULL; - if (query->flags & R600_QUERY_HW_FLAG_PREDICATE) - query->ops->prepare_buffer(ctx, query, buf); + if (query->flags & R600_QUERY_HW_FLAG_PREDICATE) { + if (!query->ops->prepare_buffer(ctx, query, buf)) { + pipe_resource_reference((struct pipe_resource **)&buf, NULL); + return NULL; + } + } return buf; } -static void r600_query_hw_prepare_buffer(struct r600_common_context *ctx, +static bool r600_query_hw_prepare_buffer(struct r600_common_context *ctx, struct r600_query_hw *query, struct r600_resource *buffer) { @@ -286,6 +292,8 @@ static void r600_query_hw_prepare_buffer(struct r600_common_context *ctx, uint32_t *results = ctx->ws->buffer_map(buffer->buf, NULL, PIPE_TRANSFER_WRITE | PIPE_TRANSFER_UNSYNCHRONIZED); + if (!results) + return false; memset(results, 0, buffer->b.b.width0); @@ -306,6 +314,8 @@ static void r600_query_hw_prepare_buffer(struct r600_common_context *ctx, results += 4 * ctx->max_db; } } + + return true; } static struct r600_query_ops query_hw_ops = { @@ -496,6 +506,9 @@ static void r600_query_hw_emit_start(struct r600_common_context *ctx, { uint64_t va; + if (!query->buffer.buf) + return; // previous buffer allocation failure + r600_update_occlusion_query_state(ctx, query->b.type, 1); r600_update_prims_generated_query_state(ctx, query->b.type, 1); @@ -506,9 +519,11 @@ static void r600_query_hw_emit_start(struct r600_common_context *ctx, if (query->buffer.results_end + query->result_size > query->buffer.buf->b.b.width0) { struct r600_query_buffer *qbuf = MALLOC_STRUCT(r600_query_buffer); *qbuf = query->buffer; - query->buffer.buf = r600_new_query_buffer(ctx, query); query->buffer.results_end = 0; query->buffer.previous = qbuf; + query->buffer.buf = r600_new_query_buffer(ctx, query); + if (!query->buffer.buf) + return; } /* emit begin query */ @@ -575,6 +590,9 @@ static void r600_query_hw_emit_stop(struct r600_common_context *ctx, { uint64_t va; + if (!query->buffer.buf) + return; // previous buffer allocation failure + /* The queries which need begin already called this in begin_query. */ if (query->flags & R600_QUERY_HW_FLAG_NO_START) { ctx->need_gfx_cs_space(&ctx->b, query->num_cs_dw_end, FALSE); @@ -694,6 +712,9 @@ static void r600_query_hw_reset_buffers(struct r600_common_context *rctx, FREE(qbuf); } + query->buffer.results_end = 0; + query->buffer.previous = NULL; + if (query->flags & R600_QUERY_HW_FLAG_PREDICATE) { /* Obtain a new buffer if the current one can't be mapped without a stall. */ if (r600_rings_is_buffer_referenced(rctx, query->buffer.buf->buf, RADEON_USAGE_READWRITE) || @@ -701,12 +722,10 @@ static void r600_query_hw_reset_buffers(struct r600_common_context *rctx, pipe_resource_reference((struct pipe_resource**)&query->buffer.buf, NULL); query->buffer.buf = r600_new_query_buffer(rctx, query); } else { - query->ops->prepare_buffer(rctx, query, query->buffer.buf); + if (!query->ops->prepare_buffer(rctx, query, query->buffer.buf)) + pipe_resource_reference((struct pipe_resource**)&query->buffer.buf, NULL); } } - - query->buffer.results_end = 0; - query->buffer.previous = NULL; } boolean r600_query_hw_begin(struct r600_common_context *rctx, @@ -722,6 +741,8 @@ boolean r600_query_hw_begin(struct r600_common_context *rctx, r600_query_hw_reset_buffers(rctx, query); r600_query_hw_emit_start(rctx, query); + if (!query->buffer.buf) + return false; LIST_ADDTAIL(&query->list, &rctx->active_queries); return true; @@ -748,6 +769,9 @@ bool r600_query_hw_end(struct r600_common_context *rctx, if (!(query->flags & R600_QUERY_HW_FLAG_NO_START)) LIST_DELINIT(&query->list); + if (!query->buffer.buf) + return false; + return true; } -- cgit v1.1