From: Xiong, James <james.xiong@intel.com>
Date: Fri, 27 Apr 2018 01:39:57 +0000 (-0700)
Subject: main: return 0 length when the queried program object's not linked
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=08c1444c9582f8654f9c688b79230ba2acbc2027;p=mesa.git

main: return 0 length when the queried program object's not linked

Signed-off-by: Xiong, James <james.xiong@intel.com>
Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
---

diff --git a/src/mesa/main/shaderapi.c b/src/mesa/main/shaderapi.c
index 44b18af4927..caa42541cad 100644
--- a/src/mesa/main/shaderapi.c
+++ b/src/mesa/main/shaderapi.c
@@ -837,7 +837,7 @@ get_programiv(struct gl_context *ctx, GLuint program, GLenum pname,
       *params = shProg->BinaryRetreivableHint;
       return;
    case GL_PROGRAM_BINARY_LENGTH:
-      if (ctx->Const.NumProgramBinaryFormats == 0) {
+      if (ctx->Const.NumProgramBinaryFormats == 0 || !shProg->data->LinkStatus) {
          *params = 0;
       } else {
          _mesa_get_program_binary_length(ctx, shProg, params);