From: Brian <brian@yutani.localnet.net>
Date: Thu, 15 Mar 2007 22:07:39 +0000 (-0600)
Subject: silently ignore DeleteProgram/Shader(id=0)
X-Git-Tag: mesa-7.8~6290^2~32
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e348016253582e6a31f7ee7149ff4999de33642d;p=platform%2Fupstream%2Fmesa.git

silently ignore DeleteProgram/Shader(id=0)
---

diff --git a/src/mesa/main/shaders.c b/src/mesa/main/shaders.c
index 4c8ba47..58be1f4 100644
--- a/src/mesa/main/shaders.c
+++ b/src/mesa/main/shaders.c
@@ -110,15 +110,17 @@ _mesa_CreateProgramObjectARB(void)
 void GLAPIENTRY
 _mesa_DeleteObjectARB(GLhandleARB obj)
 {
-   GET_CURRENT_CONTEXT(ctx);
-   if (ctx->Driver.IsProgram(ctx, obj)) {
-      ctx->Driver.DeleteProgram2(ctx, obj);
-   }
-   else if (ctx->Driver.IsShader(ctx, obj)) {
-      ctx->Driver.DeleteShader(ctx, obj);
-   }
-   else {
-      /* error? */
+   if (obj) {
+      GET_CURRENT_CONTEXT(ctx);
+      if (ctx->Driver.IsProgram(ctx, obj)) {
+         ctx->Driver.DeleteProgram2(ctx, obj);
+      }
+      else if (ctx->Driver.IsShader(ctx, obj)) {
+         ctx->Driver.DeleteShader(ctx, obj);
+      }
+      else {
+         /* error? */
+      }
    }
 }
 
@@ -126,16 +128,20 @@ _mesa_DeleteObjectARB(GLhandleARB obj)
 void GLAPIENTRY
 _mesa_DeleteProgram(GLuint name)
 {
-   GET_CURRENT_CONTEXT(ctx);
-   ctx->Driver.DeleteProgram2(ctx, name);
+   if (name) {
+      GET_CURRENT_CONTEXT(ctx);
+      ctx->Driver.DeleteProgram2(ctx, name);
+   }
 }
 
 
 void GLAPIENTRY
 _mesa_DeleteShader(GLuint name)
 {
-   GET_CURRENT_CONTEXT(ctx);
-   ctx->Driver.DeleteShader(ctx, name);
+   if (name) {
+      GET_CURRENT_CONTEXT(ctx);
+      ctx->Driver.DeleteShader(ctx, name);
+   }
 }