/*
* Mesa 3-D graphics library
- * Version: 5.1
+ * Version: 6.5.1
*
- * Copyright (C) 1999-2003 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
*/
+/**
+ * \mainpage Mesa vertex and fragment program module
+ *
+ * This module or directory contains most of the code for vertex and
+ * fragment programs and shaders, including state management, parsers,
+ * and (some) software routines for executing programs
+ */
+
#ifndef PROGRAM_H
#define PROGRAM_H
#define SWIZZLE_ZERO 4 /* keep these values together: KW */
#define SWIZZLE_ONE 5 /* keep these values together: KW */
+#define MAKE_SWIZZLE4(a,b,c,d) (((a)<<0) | ((b)<<3) | ((c)<<6) | ((d)<<9))
+#define SWIZZLE_NOOP MAKE_SWIZZLE4(0,1,2,3)
+#define GET_SWZ(swz, idx) (((swz) >> ((idx)*3)) & 0x7)
+#define GET_BIT(msk, idx) (((msk) >> (idx)) & 0x1)
+
+
+#define WRITEMASK_X 0x1
+#define WRITEMASK_Y 0x2
+#define WRITEMASK_XY 0x3
+#define WRITEMASK_Z 0x4
+#define WRITEMASK_XZ 0x5
+#define WRITEMASK_YZ 0x6
+#define WRITEMASK_XYZ 0x7
+#define WRITEMASK_W 0x8
+#define WRITEMASK_XW 0x9
+#define WRITEMASK_YW 0xa
+#define WRITEMASK_XYW 0xb
+#define WRITEMASK_ZW 0xc
+#define WRITEMASK_XZW 0xd
+#define WRITEMASK_YZW 0xe
+#define WRITEMASK_XYZW 0xf
+
+
+extern struct gl_program _mesa_DummyProgram;
+
/*
* Internal functions
extern void
_mesa_init_program(GLcontext *ctx);
+extern void
+_mesa_free_program_data(GLcontext *ctx);
+
extern void
_mesa_set_program_error(GLcontext *ctx, GLint pos, const char *string);
GLint *line, GLint *col);
-extern struct program *
-_mesa_init_vertex_program( GLcontext *ctx,
- struct vertex_program *prog,
- GLenum target,
- GLuint id );
+extern struct gl_program *
+_mesa_init_vertex_program(GLcontext *ctx,
+ struct gl_vertex_program *prog,
+ GLenum target, GLuint id);
-extern struct program *
-_mesa_init_fragment_program( GLcontext *ctx,
- struct fragment_program *prog,
- GLenum target,
- GLuint id );
+extern struct gl_program *
+_mesa_init_fragment_program(GLcontext *ctx,
+ struct gl_fragment_program *prog,
+ GLenum target, GLuint id);
-extern struct program *
+extern struct gl_program *
_mesa_new_program(GLcontext *ctx, GLenum target, GLuint id);
extern void
-_mesa_delete_program(GLcontext *ctx, struct program *prog);
+_mesa_delete_program(GLcontext *ctx, struct gl_program *prog);
+extern struct gl_program *
+_mesa_lookup_program(GLcontext *ctx, GLuint id);
+extern struct prog_instruction *
+_mesa_alloc_instructions(GLuint numInst);
-/*
+extern struct prog_instruction *
+_mesa_realloc_instructions(struct prog_instruction *oldInst,
+ GLuint numOldInst, GLuint numNewInst);
+
+
+/**
* Used for describing GL state referenced from inside ARB vertex and
* fragment programs.
* A string such as "state.light[0].ambient" gets translated into a
STATE_FRAGMENT_PROGRAM,
STATE_ENV,
- STATE_LOCAL
+ STATE_LOCAL,
+
+ STATE_INTERNAL, /* Mesa additions */
+ STATE_NORMAL_SCALE,
+ STATE_POSITION_NORMALIZED /* normalized light position */
};
-/*
+/**
* Named program parameters
* Used for NV_fragment_program "DEFINE"d constants and "DECLARE"d parameters,
* and ARB_fragment_program global state references. For the later, Name
* might be "state.light[0].diffuse", for example.
*/
-
-enum parameter_type
-{
- NAMED_PARAMETER,
- CONSTANT,
- STATE
-};
-
-
-struct program_parameter
+struct gl_program_parameter
{
- const char *Name; /* Null-terminated */
- enum parameter_type Type;
- enum state_index StateIndexes[6]; /* Global state reference */
- GLfloat Values[4];
+ const char *Name; /**< Null-terminated string */
+ enum register_file Type; /**< PROGRAM_NAMED_PARAM, CONSTANT or STATE_VAR */
+ enum state_index StateIndexes[6]; /**< Global state reference */
};
-struct program_parameter_list
+/**
+ * A list of the above program_parameter instances.
+ */
+struct gl_program_parameter_list
{
- GLuint NumParameters;
- struct program_parameter *Parameters;
+ GLuint Size; /**< allocated size of Parameters, ParameterValues */
+ GLuint NumParameters; /**< number of parameters in arrays */
+ struct gl_program_parameter *Parameters; /**< Array [Size] */
+ GLfloat (*ParameterValues)[4]; /**< Array [Size] of GLfloat[4] */
+ GLbitfield StateFlags; /**< _NEW_* flags indicating which state changes
+ might invalidate ParameterValues[] */
};
* Program parameter functions
*/
-extern struct program_parameter_list *
+extern struct gl_program_parameter_list *
_mesa_new_parameter_list(void);
extern void
-_mesa_free_parameter_list(struct program_parameter_list *paramList);
-
-extern void
-_mesa_free_parameters(struct program_parameter_list *paramList);
+_mesa_free_parameter_list(struct gl_program_parameter_list *paramList);
extern GLint
-_mesa_add_named_parameter(struct program_parameter_list *paramList,
+_mesa_add_named_parameter(struct gl_program_parameter_list *paramList,
const char *name, const GLfloat values[4]);
extern GLint
-_mesa_add_named_constant(struct program_parameter_list *paramList,
+_mesa_add_named_constant(struct gl_program_parameter_list *paramList,
const char *name, const GLfloat values[4]);
extern GLint
-_mesa_add_unnamed_constant(struct program_parameter_list *paramList,
+_mesa_add_unnamed_constant(struct gl_program_parameter_list *paramList,
const GLfloat values[4]);
extern GLint
-_mesa_add_state_reference(struct program_parameter_list *paramList,
- GLint *stateTokens);
+_mesa_add_state_reference(struct gl_program_parameter_list *paramList,
+ const GLint *stateTokens);
extern GLfloat *
-_mesa_lookup_parameter_value(struct program_parameter_list *paramList,
+_mesa_lookup_parameter_value(struct gl_program_parameter_list *paramList,
GLsizei nameLen, const char *name);
extern GLint
-_mesa_lookup_parameter_index(struct program_parameter_list *paramList,
+_mesa_lookup_parameter_index(struct gl_program_parameter_list *paramList,
GLsizei nameLen, const char *name);
extern void
_mesa_load_state_parameters(GLcontext *ctx,
- struct program_parameter_list *paramList);
+ struct gl_program_parameter_list *paramList);
+
+
+
+extern void
+_mesa_print_instruction(const struct prog_instruction *inst);
+
+void
+_mesa_print_alu_instruction(const struct prog_instruction *inst,
+ const char *opcode_string,
+ GLuint numRegs);
+
+extern void
+_mesa_print_program(const struct gl_program *prog);
+
+extern void
+_mesa_print_program_parameters(GLcontext *ctx, const struct gl_program *prog);
/*
- * API functions
+ * API functions common to ARB/NV_vertex/fragment_program
*/
extern void GLAPIENTRY
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