From: Brian <brian@yutani.localnet.net>
Date: Wed, 11 Apr 2007 03:51:27 +0000 (-0600)
Subject: fix/work-around allocation bugs for non-square matrices
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=ba876be0c0711f089c0cde9739f349b137430770;p=mesa.git

fix/work-around allocation bugs for non-square matrices
---

diff --git a/src/mesa/shader/slang/slang_codegen.c b/src/mesa/shader/slang/slang_codegen.c
index ee82a107e0c..fe6b615c5d6 100644
--- a/src/mesa/shader/slang/slang_codegen.c
+++ b/src/mesa/shader/slang/slang_codegen.c
@@ -144,14 +144,17 @@ _slang_sizeof_type_specifier(const slang_type_specifier *spec)
    case SLANG_SPEC_MAT4:
       return 4 * 4;
    case SLANG_SPEC_MAT23:
+      return 2 * 4; /* special case */
    case SLANG_SPEC_MAT32:
-      return 2 * 3;
+      return 3 * 4; /* special case: 3 registers (columns), not two */
    case SLANG_SPEC_MAT24:
-   case SLANG_SPEC_MAT42:
       return 2 * 4;
+   case SLANG_SPEC_MAT42:
+      return 4 * 4; /* special case: 4 registers (columns), not two */
    case SLANG_SPEC_MAT34:
-   case SLANG_SPEC_MAT43:
       return 3 * 4;
+   case SLANG_SPEC_MAT43:
+      return 4 * 4; /* special case: 4 registers (columns), not two */
    case SLANG_SPEC_SAMPLER1D:
    case SLANG_SPEC_SAMPLER2D:
    case SLANG_SPEC_SAMPLER3D: