/*
* Mesa 3-D graphics library
- * Version: 5.1
+ * Version: 6.5.3
*
- * Copyright (C) 1999-2003 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2007 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
-#include "mtypes.h"
+#include "main/mtypes.h"
-/* for GL_ARB_v_p and GL_ARB_f_p SWZ instruction */
-#define SWIZZLE_X 0
-#define SWIZZLE_Y 1
-#define SWIZZLE_Z 2
-#define SWIZZLE_W 3
-#define SWIZZLE_ZERO 4 /* keep these values together: KW */
-#define SWIZZLE_ONE 5 /* keep these values together: KW */
+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_update_default_objects_program(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);
-
-
-
-/*
- * 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
- * sequence of tokens such as [ STATE_LIGHT, 0, STATE_AMBIENT ].
- */
-enum state_index {
- STATE_MATERIAL,
-
- STATE_LIGHT,
- STATE_LIGHTMODEL_AMBIENT,
- STATE_LIGHTMODEL_SCENECOLOR,
- STATE_LIGHTPROD,
-
- STATE_TEXGEN,
-
- STATE_FOG_COLOR,
- STATE_FOG_PARAMS,
+_mesa_delete_program(GLcontext *ctx, struct gl_program *prog);
- STATE_CLIPPLANE,
+extern struct gl_program *
+_mesa_lookup_program(GLcontext *ctx, GLuint id);
- STATE_POINT_SIZE,
- STATE_POINT_ATTENUATION,
-
- STATE_MATRIX,
- STATE_MODELVIEW,
- STATE_PROJECTION,
- STATE_MVP,
- STATE_TEXTURE,
- STATE_PROGRAM,
- STATE_MATRIX_INVERSE,
- STATE_MATRIX_TRANSPOSE,
- STATE_MATRIX_INVTRANS,
-
- STATE_AMBIENT,
- STATE_DIFFUSE,
- STATE_SPECULAR,
- STATE_EMISSION,
- STATE_SHININESS,
- STATE_HALF,
-
- STATE_POSITION,
- STATE_ATTENUATION,
- STATE_SPOT_DIRECTION,
-
- STATE_TEXGEN_EYE_S,
- STATE_TEXGEN_EYE_T,
- STATE_TEXGEN_EYE_R,
- STATE_TEXGEN_EYE_Q,
- STATE_TEXGEN_OBJECT_S,
- STATE_TEXGEN_OBJECT_T,
- STATE_TEXGEN_OBJECT_R,
- STATE_TEXGEN_OBJECT_Q,
-
- STATE_TEXENV_COLOR,
-
- STATE_DEPTH_RANGE,
-
- STATE_VERTEX_PROGRAM,
- STATE_FRAGMENT_PROGRAM,
-
- STATE_ENV,
- STATE_LOCAL
-};
-
-
-
-/*
- * 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
+extern void
+_mesa_reference_program(GLcontext *ctx,
+ struct gl_program **ptr,
+ struct gl_program *prog);
+
+static INLINE void
+_mesa_reference_vertprog(GLcontext *ctx,
+ struct gl_vertex_program **ptr,
+ struct gl_vertex_program *prog)
{
- const char *Name; /* Null-terminated */
- enum parameter_type Type;
- enum state_index StateIndexes[6]; /* Global state reference */
- GLfloat Values[4];
-};
-
-
-struct program_parameter_list
+ _mesa_reference_program(ctx, (struct gl_program **) ptr,
+ (struct gl_program *) prog);
+}
+
+static INLINE void
+_mesa_reference_fragprog(GLcontext *ctx,
+ struct gl_fragment_program **ptr,
+ struct gl_fragment_program *prog)
{
- GLuint NumParameters;
- struct program_parameter *Parameters;
-};
+ _mesa_reference_program(ctx, (struct gl_program **) ptr,
+ (struct gl_program *) prog);
+}
+extern struct gl_program *
+_mesa_clone_program(GLcontext *ctx, const struct gl_program *prog);
-/*
- * Program parameter functions
- */
+extern GLboolean
+_mesa_insert_instructions(struct gl_program *prog, GLuint start, GLuint count);
-extern struct program_parameter_list *
-_mesa_new_parameter_list(void);
+extern GLboolean
+_mesa_delete_instructions(struct gl_program *prog, GLuint start, GLuint count);
-extern void
-_mesa_free_parameter_list(struct program_parameter_list *paramList);
-
-extern void
-_mesa_free_parameters(struct program_parameter_list *paramList);
-
-extern GLint
-_mesa_add_named_parameter(struct program_parameter_list *paramList,
- const char *name, const GLfloat values[4]);
+extern struct gl_program *
+_mesa_combine_programs(GLcontext *ctx,
+ const struct gl_program *progA,
+ const struct gl_program *progB);
extern GLint
-_mesa_add_named_constant(struct program_parameter_list *paramList,
- const char *name, const GLfloat values[4]);
-
-extern GLint
-_mesa_add_unnamed_constant(struct program_parameter_list *paramList,
- const GLfloat values[4]);
-
-extern GLint
-_mesa_add_state_reference(struct program_parameter_list *paramList,
- GLint *stateTokens);
-
-extern GLfloat *
-_mesa_lookup_parameter_value(struct program_parameter_list *paramList,
- GLsizei nameLen, const char *name);
-
-extern GLint
-_mesa_lookup_parameter_index(struct program_parameter_list *paramList,
- GLsizei nameLen, const char *name);
-
-extern void
-_mesa_load_state_parameters(GLcontext *ctx,
- struct program_parameter_list *paramList);
-
-
-/*
- * API functions
- */
-
-extern void GLAPIENTRY
-_mesa_BindProgram(GLenum target, GLuint id);
-
-extern void GLAPIENTRY
-_mesa_DeletePrograms(GLsizei n, const GLuint *ids);
-
-extern void GLAPIENTRY
-_mesa_GenPrograms(GLsizei n, GLuint *ids);
-
-extern GLboolean GLAPIENTRY
-_mesa_IsProgram(GLuint id);
+_mesa_find_free_register(const struct gl_program *prog, GLuint regFile);
-/*
- * GL_MESA_program_debug
- */
-
-extern void
-_mesa_ProgramCallbackMESA(GLenum target, GLprogramcallbackMESA callback,
- GLvoid *data);
-
-extern void
-_mesa_GetProgramRegisterfvMESA(GLenum target, GLsizei len,
- const GLubyte *registerName, GLfloat *v);
-
-
#endif /* PROGRAM_H */