From: Brian Paul <brianp@vmware.com>
Date: Thu, 2 Apr 2009 00:50:07 +0000 (-0600)
Subject: mesa: use correct tex unit lod bias for TXB instruction
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=1ab225017ed1ea8bd9e266d10ee56ab914bb28c1;p=mesa.git

mesa: use correct tex unit lod bias for TXB instruction
---

diff --git a/src/mesa/shader/prog_execute.c b/src/mesa/shader/prog_execute.c
index a60cda674ba..0bc8d5f6a79 100644
--- a/src/mesa/shader/prog_execute.c
+++ b/src/mesa/shader/prog_execute.c
@@ -1540,8 +1540,8 @@ _mesa_execute_program(GLcontext * ctx,
       case OPCODE_TXB:         /* GL_ARB_fragment_program only */
          /* Texel lookup with LOD bias */
          {
-            const struct gl_texture_unit *texUnit
-               = &ctx->Texture.Unit[inst->TexSrcUnit];
+            const GLuint unit = machine->Samplers[inst->TexSrcUnit];
+            const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
             GLfloat texcoord[4], color[4], lodBias;
 
             fetch_vector4(&inst->SrcReg[0], machine, texcoord);