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-rw-r--r--src/mesa/drivers/dri/intel/intel_clear.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_clear.c b/src/mesa/drivers/dri/intel/intel_clear.c
index 0d0cf39fde..13b433dd17 100644
--- a/src/mesa/drivers/dri/intel/intel_clear.c
+++ b/src/mesa/drivers/dri/intel/intel_clear.c
@@ -143,7 +143,8 @@ intel_clear_tris(GLcontext *ctx, GLbitfield mask)
GL_POLYGON_BIT |
GL_STENCIL_BUFFER_BIT |
GL_TRANSFORM_BIT |
- GL_CURRENT_BIT);
+ GL_CURRENT_BIT |
+ GL_VIEWPORT_BIT);
saved_active_texture = ctx->Texture.CurrentUnit;
/* Disable existing GL state we don't want to apply to a clear. */
@@ -209,6 +210,11 @@ intel_clear_tris(GLcontext *ctx, GLbitfield mask)
/* convert clear Z from [0,1] to NDC coord in [-1,1] */
dst_z = -1.0 + 2.0 * ctx->Depth.Clear;
+ /* The ClearDepth value is unaffected by DepthRange, so do a default
+ * mapping.
+ */
+ _mesa_DepthRange(0.0, 1.0);
+
/* Prepare the vertices, which are the same regardless of which buffer we're
* drawing to.
*/