From: José Fonseca <jfonseca@vmware.com>
Date: Sun, 9 Aug 2009 21:59:52 +0000 (+0100)
Subject: llvmpipe: Handle disabled blending too.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=e7fc21434d2c5a9177a427950be5029ff4db43ee;p=mesa.git

llvmpipe: Handle disabled blending too.
---

diff --git a/src/gallium/drivers/llvmpipe/lp_bld_blend_aos.c b/src/gallium/drivers/llvmpipe/lp_bld_blend_aos.c
index e4a57af94c7..a9ea2f4986d 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_blend_aos.c
+++ b/src/gallium/drivers/llvmpipe/lp_bld_blend_aos.c
@@ -302,6 +302,9 @@ lp_build_blend_aos(LLVMBuilderRef builder,
    LLVMValueRef src_term;
    LLVMValueRef dst_term;
 
+   if(!blend->blend_enable)
+      return src;
+
    /* It makes no sense to blend unless values are normalized */
    assert(type.norm);
 
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_blend_soa.c b/src/gallium/drivers/llvmpipe/lp_bld_blend_soa.c
index 1ef1718cfda..44c5a516e43 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_blend_soa.c
+++ b/src/gallium/drivers/llvmpipe/lp_bld_blend_soa.c
@@ -167,6 +167,15 @@ lp_build_blend_soa(LLVMBuilderRef builder,
    struct lp_build_blend_soa_context bld;
    unsigned i, j;
 
+   if(!blend->blend_enable) {
+      for (i = 0; i < 4; ++i)
+         res[i] = src[i];
+      return;
+   }
+
+   /* It makes no sense to blend unless values are normalized */
+   assert(type.norm);
+
    /* Setup build context */
    memset(&bld, 0, sizeof bld);
    lp_build_context_init(&bld.base, builder, type);
diff --git a/src/gallium/drivers/llvmpipe/lp_test_blend.c b/src/gallium/drivers/llvmpipe/lp_test_blend.c
index 8bf5508bd4e..5a09df5306f 100644
--- a/src/gallium/drivers/llvmpipe/lp_test_blend.c
+++ b/src/gallium/drivers/llvmpipe/lp_test_blend.c
@@ -766,7 +766,7 @@ blend_funcs[] = {
 
 const union lp_type blend_types[] = {
    /* float, fixed,  sign,  norm, width, len */
-   {{  TRUE, FALSE,  TRUE,  TRUE,    32,   4 }}, /* f32 x 4 */
+   {{  TRUE, FALSE, FALSE,  TRUE,    32,   4 }}, /* f32 x 4 */
    {{ FALSE, FALSE, FALSE,  TRUE,     8,  16 }}, /* u8n x 16 */
 };