From 8bd45a7e7ed8be3f5bb13689d249fc886cf73067 Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Thu, 31 Oct 2013 10:14:17 -0700 Subject: i965: Add a warning if something ever hits a bug I noticed. We'd have to map the VBO and rewrite things to a lower stride to fix it. Reviewed-by: Matt Turner --- src/mesa/drivers/dri/i965/brw_draw_upload.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'src/mesa/drivers') diff --git a/src/mesa/drivers/dri/i965/brw_draw_upload.c b/src/mesa/drivers/dri/i965/brw_draw_upload.c index e2002e8ebc6..57b81df8110 100644 --- a/src/mesa/drivers/dri/i965/brw_draw_upload.c +++ b/src/mesa/drivers/dri/i965/brw_draw_upload.c @@ -609,6 +609,7 @@ static void brw_prepare_vertices(struct brw_context *brw) static void brw_emit_vertices(struct brw_context *brw) { + struct gl_context *ctx = &brw->ctx; GLuint i, nr_elements; brw_prepare_vertices(brw); @@ -680,6 +681,9 @@ static void brw_emit_vertices(struct brw_context *brw) if (brw->gen == 7) dw0 |= GEN7_MOCS_L3 << 16; + WARN_ONCE(buffer->stride >= (brw->gen >= 5 ? 2048 : 2047), + "VBO stride %d too large, bad rendering may occur\n", + buffer->stride); OUT_BATCH(dw0 | (buffer->stride << BRW_VB0_PITCH_SHIFT)); OUT_RELOC(buffer->bo, I915_GEM_DOMAIN_VERTEX, 0, buffer->offset); if (brw->gen >= 5) { -- cgit v1.2.3