Module: Mesa
Branch: master
Commit: 99d07d0f91ddd37926d08f4e7f10d55cac28d9a7
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=99d07d0f91ddd37926d08f4e7f10d55cac28d9a7
Author: Eric Anholt <e...@anholt.net>
Date: Tue Jul 14 14:49:03 2009 -0700
intel: Fix ClearDepth to not be affected by DepthRange.
Fixes new piglit depthrange-clear.c test.
---
src/mesa/drivers/dri/intel/intel_clear.c | 8 +++++++-
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 0d0cf39..13b433d 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.
*/
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