From 316598b96f07a38752c0c0f534feb025ee2a3235 Mon Sep 17 00:00:00 2001 From: Jerome Glisse Date: Wed, 10 Jun 2009 14:59:33 +0200 Subject: r300: make sure indexed rendering doesn't try to use more than the num of vertices When with memory manager we need to make sure the GPU won't try to access beyond vertex buffer size, do so by enforcing that the maximun index is the last vertex of the buffer. --- src/mesa/drivers/dri/r300/r300_render.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/src/mesa/drivers/dri/r300/r300_render.c b/src/mesa/drivers/dri/r300/r300_render.c index dfbd79a389..c2c532a9a8 100644 --- a/src/mesa/drivers/dri/r300/r300_render.c +++ b/src/mesa/drivers/dri/r300/r300_render.c @@ -351,6 +351,7 @@ static void r300FireAOS(r300ContextPtr rmesa, int vertex_count, int type) void r300RunRenderPrimitive(GLcontext * ctx, int start, int end, int prim) { r300ContextPtr rmesa = R300_CONTEXT(ctx); + BATCH_LOCALS(&rmesa->radeon); int type, num_verts; type = r300PrimitiveType(rmesa, prim); @@ -384,6 +385,12 @@ void r300RunRenderPrimitive(GLcontext * ctx, int start, int end, int prim) */ r300EmitElts(ctx, num_verts); r300EmitAOS(rmesa, rmesa->radeon.tcl.aos_count, start); + if (rmesa->radeon.radeonScreen->kernel_mm) { + BEGIN_BATCH_NO_AUTOSTATE(2); + OUT_BATCH_REGSEQ(R300_VAP_VF_MAX_VTX_INDX, 1); + OUT_BATCH(num_verts); + END_BATCH(); + } r300FireEB(rmesa, num_verts, type); } else { r300EmitAOS(rmesa, rmesa->radeon.tcl.aos_count, start); -- cgit v1.2.3