From: Eric Anholt <eric@anholt.net>
Date: Thu, 9 Dec 2010 21:51:21 +0000 (-0800)
Subject: intel: Set the swizzling for depth textures using the GL_RED depth mode.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=3fb18d67753fec8a21461266246ff6949fc0fe81;p=mesa.git

intel: Set the swizzling for depth textures using the GL_RED depth mode.

Fixes depth-tex-modes-rg.
---

diff --git a/src/mesa/drivers/dri/i965/brw_wm.c b/src/mesa/drivers/dri/i965/brw_wm.c
index e0aa3fd7f26..656501b4f79 100644
--- a/src/mesa/drivers/dri/i965/brw_wm.c
+++ b/src/mesa/drivers/dri/i965/brw_wm.c
@@ -378,6 +378,10 @@ static void brw_wm_populate_key( struct brw_context *brw,
 	       swizzles[2] = SWIZZLE_ZERO;
 	    } else if (t->DepthMode == GL_LUMINANCE) {
 	       swizzles[3] = SWIZZLE_ONE;
+	    } else if (t->DepthMode == GL_RED) {
+	       swizzles[1] = SWIZZLE_ZERO;
+	       swizzles[2] = SWIZZLE_ZERO;
+	       swizzles[3] = SWIZZLE_ZERO;
 	    }
 	 }
 
diff --git a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
index fb0e34e94f5..ad744044c70 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
@@ -139,6 +139,8 @@ static GLuint translate_tex_format( gl_format mesa_format,
 	  return BRW_SURFACEFORMAT_I16_UNORM;
       else if (depth_mode == GL_ALPHA)
 	  return BRW_SURFACEFORMAT_A16_UNORM;
+      else if (depth_mode == GL_RED)
+	  return BRW_SURFACEFORMAT_R16_UNORM;
       else
 	  return BRW_SURFACEFORMAT_L16_UNORM;
 
@@ -174,6 +176,8 @@ static GLuint translate_tex_format( gl_format mesa_format,
          return BRW_SURFACEFORMAT_I24X8_UNORM;
       else if (depth_mode == GL_ALPHA)
          return BRW_SURFACEFORMAT_A24X8_UNORM;
+      else if (depth_mode == GL_RED)
+         return BRW_SURFACEFORMAT_R24_UNORM_X8_TYPELESS;
       else
          return BRW_SURFACEFORMAT_L24X8_UNORM;