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-rw-r--r--src/mesa/shader/prog_execute.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mesa/shader/prog_execute.h b/src/mesa/shader/prog_execute.h
index 47845e9111..be29eceeda 100644
--- a/src/mesa/shader/prog_execute.h
+++ b/src/mesa/shader/prog_execute.h
@@ -48,6 +48,9 @@ struct gl_program_machine
/** Fragment Input attributes */
GLfloat (*Attribs)[MAX_WIDTH][4];
+ GLfloat (*DerivX)[4];
+ GLfloat (*DerivY)[4];
+ GLuint NumDeriv; /**< Max index into DerivX/Y arrays */
GLuint CurElement; /**< Index into Attribs arrays */
/** Vertex Input attribs */