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-rw-r--r--src/mesa/drivers/dri/nouveau/nv10_state.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nv10_state.c b/src/mesa/drivers/dri/nouveau/nv10_state.c
index 94525ba2a8..b63893d05c 100644
--- a/src/mesa/drivers/dri/nouveau/nv10_state.c
+++ b/src/mesa/drivers/dri/nouveau/nv10_state.c
@@ -253,8 +253,12 @@ static void nv10DepthRange(GLcontext *ctx, GLclampd nearval, GLclampd farval)
nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
GLfloat depth_scale = 16777216.0;
- if (ctx->DrawBuffer->_DepthBuffer->DepthBits == 16) {
- depth_scale = 32768.0;
+ if (ctx->DrawBuffer) {
+ if (ctx->DrawBuffer->_DepthBuffer) {
+ if (ctx->DrawBuffer->_DepthBuffer->DepthBits == 16) {
+ depth_scale = 32768.0;
+ }
+ }
}
BEGIN_RING_CACHE(NvSub3D, NV10_TCL_PRIMITIVE_3D_DEPTH_RANGE_NEAR, 2);