From 461c34c0cb0e23f11fd9390a37a62d9930a1c48e Mon Sep 17 00:00:00 2001
From: =?utf8?q?Christian=20K=C3=B6nig?= <deathsimple@vodafone.de>
Date: Thu, 8 Mar 2012 12:16:40 +0100
Subject: [PATCH] gallivm: add support for R8G8_R8B8 and G8R8_B8R8 formats
MIME-Version: 1.0
Content-Type: text/plain; charset=utf8
Content-Transfer-Encoding: 8bit

Just to keep lp_test_format happy.

Signed-off-by: Christian König <deathsimple@vodafone.de>
---
 src/gallium/auxiliary/gallivm/lp_bld_format_yuv.c | 42 +++++++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/src/gallium/auxiliary/gallivm/lp_bld_format_yuv.c b/src/gallium/auxiliary/gallivm/lp_bld_format_yuv.c
index cdf1956..ccc8320 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_format_yuv.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_format_yuv.c
@@ -398,6 +398,42 @@ grgb_to_rgba_aos(struct gallivm_state *gallivm,
    return rgba;
 }
 
+/**
+ * Convert from <n x i32> packed GR_BR to <4n x i8> RGBA AoS
+ */
+static LLVMValueRef
+grbr_to_rgba_aos(struct gallivm_state *gallivm,
+                 unsigned n,
+                 LLVMValueRef packed,
+                 LLVMValueRef i)
+{
+   LLVMValueRef r, g, b;
+   LLVMValueRef rgba;
+
+   uyvy_to_yuv_soa(gallivm, n, packed, i, &r, &g, &b);
+   rgba = rgb_to_rgba_aos(gallivm, n, r, g, b);
+
+   return rgba;
+}
+
+
+/**
+ * Convert from <n x i32> packed RG_RB to <4n x i8> RGBA AoS
+ */
+static LLVMValueRef
+rgrb_to_rgba_aos(struct gallivm_state *gallivm,
+                 unsigned n,
+                 LLVMValueRef packed,
+                 LLVMValueRef i)
+{
+   LLVMValueRef r, g, b;
+   LLVMValueRef rgba;
+
+   yuyv_to_yuv_soa(gallivm, n, packed, i, &r, &g, &b);
+   rgba = rgb_to_rgba_aos(gallivm, n, r, g, b);
+
+   return rgba;
+}
 
 /**
  * @param n  is the number of pixels processed
@@ -439,6 +475,12 @@ lp_build_fetch_subsampled_rgba_aos(struct gallivm_state *gallivm,
    case PIPE_FORMAT_G8R8_G8B8_UNORM:
       rgba = grgb_to_rgba_aos(gallivm, n, packed, i);
       break;
+   case PIPE_FORMAT_G8R8_B8R8_UNORM:
+      rgba = grbr_to_rgba_aos(gallivm, n, packed, i);
+      break;
+   case PIPE_FORMAT_R8G8_R8B8_UNORM:
+      rgba = rgrb_to_rgba_aos(gallivm, n, packed, i);
+      break;
    default:
       assert(0);
       rgba =  LLVMGetUndef(LLVMVectorType(LLVMInt8TypeInContext(gallivm->context), 4*n));
-- 
2.7.4