Add EnvParams field to gl_program_machine, avoid passing ctx to a bunch of functions.
diff --git a/src/mesa/shader/prog_execute.h b/src/mesa/shader/prog_execute.h
index 2dbd922..0f4956d 100644
--- a/src/mesa/shader/prog_execute.h
+++ b/src/mesa/shader/prog_execute.h
@@ -55,8 +55,8 @@
 
    GLfloat Temporaries[MAX_PROGRAM_TEMPS][4];
    GLfloat Outputs[MAX_PROGRAM_OUTPUTS][4];
+   GLfloat (*EnvParams)[4]; /**< Vertex or Fragment env parameters */
    GLuint CondCodes[4];  /**< COND_* value for x/y/z/w */
-
    GLint AddressReg[MAX_VERTEX_PROGRAM_ADDRESS_REGS][4];
 
    GLuint CallStack[MAX_PROGRAM_CALL_DEPTH]; /**< For CAL/RET instructions */