From: Michel Dänzer <michel.daenzer@amd.com>
Date: Thu, 10 May 2012 11:54:27 +0000 (+0200)
Subject: radeonsi: Fix vertex buffer resource for stride 0.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=36d2914a19e48a702ed2303e272a92e487f00f3e;p=mesa.git

radeonsi: Fix vertex buffer resource for stride 0.
---

diff --git a/src/gallium/drivers/radeonsi/r600_state_common.c b/src/gallium/drivers/radeonsi/r600_state_common.c
index d283e41e681..ebed5b36730 100644
--- a/src/gallium/drivers/radeonsi/r600_state_common.c
+++ b/src/gallium/drivers/radeonsi/r600_state_common.c
@@ -625,7 +625,11 @@ static void r600_vertex_buffer_update(struct r600_context *rctx)
 		ptr[0] = va & 0xFFFFFFFF;
 		ptr[1] = (S_008F04_BASE_ADDRESS_HI(va >> 32) |
 			  S_008F04_STRIDE(vertex_buffer->stride));
-		ptr[2] = (vertex_buffer->buffer->width0 - offset) / vertex_buffer->stride;
+		if (vertex_buffer->stride > 0)
+			ptr[2] = ((vertex_buffer->buffer->width0 - offset) /
+				  vertex_buffer->stride);
+		else
+			ptr[2] = vertex_buffer->buffer->width0 - offset;
 		/* XXX: Hardcoding RGBA */
 		ptr[3] = (S_008F0C_DST_SEL_X(V_008F0C_SQ_SEL_X) |
 			  S_008F0C_DST_SEL_Y(V_008F0C_SQ_SEL_Y) |