tweak glAccum error checking

2005-09-27 16:10:49 +00:00
parent 78b3b667b5
commit dbd0fa920e
1 changed files with 5 additions and 5 deletions
@@ -58,11 +58,6 @@ _mesa_Accum( GLenum op, GLfloat value )
   GLuint xpos, ypos, width, height;
   ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);

-   if (ctx->Visual.accumRedBits == 0 || ctx->DrawBuffer != ctx->ReadBuffer) {
-      _mesa_error(ctx, GL_INVALID_OPERATION, "glAccum");
-      return;
-   }
-
   switch (op) {
   case GL_ADD:
   case GL_MULT:
@@ -76,6 +71,11 @@ _mesa_Accum( GLenum op, GLfloat value )
      return;
   }

+   if (ctx->Visual.accumRedBits == 0) {
+      _mesa_error(ctx, GL_INVALID_OPERATION, "glAccum(no accum buffer)");
+      return;
+   }
+
   if (ctx->DrawBuffer != ctx->ReadBuffer) {
      /* See GLX_SGI_make_current_read or WGL_ARB_make_current_read */
      _mesa_error(ctx, GL_INVALID_OPERATION,