From: Brian <brian.paul@tungstengraphics.com>
Date: Mon, 7 Apr 2008 17:22:41 +0000 (-0600)
Subject: mesa: call _mesa_remove_varying_reads() after compiling vertex shaders
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=42a9218daa8f564ea1b992a48cc3c375fd1b815e;p=mesa.git

mesa: call _mesa_remove_varying_reads() after compiling vertex shaders
---

diff --git a/src/mesa/shader/slang/slang_compile.c b/src/mesa/shader/slang/slang_compile.c
index bfb9ca4db6a..0df673085b7 100644
--- a/src/mesa/shader/slang/slang_compile.c
+++ b/src/mesa/shader/slang/slang_compile.c
@@ -31,6 +31,8 @@
 #include "main/imports.h"
 #include "main/context.h"
 #include "shader/program.h"
+#include "shader/programopt.h"
+#include "shader/prog_print.h"
 #include "shader/prog_parameter.h"
 #include "shader/grammar/grammar_mesa.h"
 #include "slang_codegen.h"
@@ -2186,6 +2188,19 @@ _slang_compile(GLcontext *ctx, struct gl_shader *shader)
    _slang_delete_mempool((slang_mempool *) ctx->Shader.MemPool);
    ctx->Shader.MemPool = NULL;
 
+   if (shader->Type == GL_VERTEX_SHADER) {
+      /* remove any reads of varying (output) registers */
+#if 0
+      printf("Pre-remove output reads:\n");
+      _mesa_print_program(shader->Programs[0]);
+#endif
+      _mesa_remove_varying_reads(shader->Programs[0]);
+#if 0
+      printf("Post-remove output reads:\n");
+      _mesa_print_program(shader->Programs[0]);
+#endif
+   }
+
    return success;
 }