Moved from src/mesa/main
This commit is contained in:
Michal Krol
253
src/mesa/shader/program.h
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253
src/mesa/shader/program.h
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/*
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* Mesa 3-D graphics library
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* Version: 5.1
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*
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* Copyright (C) 1999-2003 Brian Paul All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/**
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* \file program.c
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* Vertex and fragment program support functions.
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* \author Brian Paul
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*/
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#ifndef PROGRAM_H
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#define PROGRAM_H
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#include "mtypes.h"
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/* for GL_ARB_v_p and GL_ARB_f_p SWZ instruction */
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#define SWIZZLE_X 0
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#define SWIZZLE_Y 1
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#define SWIZZLE_Z 2
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#define SWIZZLE_W 3
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#define SWIZZLE_ZERO 4 /* keep these values together: KW */
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#define SWIZZLE_ONE 5 /* keep these values together: KW */
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/*
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* Internal functions
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*/
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extern void
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_mesa_init_program(GLcontext *ctx);
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extern void
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_mesa_set_program_error(GLcontext *ctx, GLint pos, const char *string);
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extern const GLubyte *
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_mesa_find_line_column(const GLubyte *string, const GLubyte *pos,
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GLint *line, GLint *col);
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extern struct program *
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_mesa_init_vertex_program( GLcontext *ctx,
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struct vertex_program *prog,
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GLenum target,
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GLuint id );
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extern struct program *
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_mesa_init_fragment_program( GLcontext *ctx,
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struct fragment_program *prog,
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GLenum target,
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GLuint id );
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extern struct program *
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_mesa_new_program(GLcontext *ctx, GLenum target, GLuint id);
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extern void
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_mesa_delete_program(GLcontext *ctx, struct program *prog);
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/*
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* Used for describing GL state referenced from inside ARB vertex and
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* fragment programs.
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* A string such as "state.light[0].ambient" gets translated into a
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* sequence of tokens such as [ STATE_LIGHT, 0, STATE_AMBIENT ].
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*/
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enum state_index {
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STATE_MATERIAL,
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STATE_LIGHT,
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STATE_LIGHTMODEL_AMBIENT,
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STATE_LIGHTMODEL_SCENECOLOR,
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STATE_LIGHTPROD,
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STATE_TEXGEN,
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STATE_FOG_COLOR,
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STATE_FOG_PARAMS,
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STATE_CLIPPLANE,
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STATE_POINT_SIZE,
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STATE_POINT_ATTENUATION,
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STATE_MATRIX,
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STATE_MODELVIEW,
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STATE_PROJECTION,
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STATE_MVP,
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STATE_TEXTURE,
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STATE_PROGRAM,
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STATE_MATRIX_INVERSE,
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STATE_MATRIX_TRANSPOSE,
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STATE_MATRIX_INVTRANS,
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STATE_AMBIENT,
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STATE_DIFFUSE,
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STATE_SPECULAR,
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STATE_EMISSION,
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STATE_SHININESS,
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STATE_HALF,
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STATE_POSITION,
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STATE_ATTENUATION,
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STATE_SPOT_DIRECTION,
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STATE_TEXGEN_EYE_S,
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STATE_TEXGEN_EYE_T,
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STATE_TEXGEN_EYE_R,
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STATE_TEXGEN_EYE_Q,
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STATE_TEXGEN_OBJECT_S,
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STATE_TEXGEN_OBJECT_T,
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STATE_TEXGEN_OBJECT_R,
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STATE_TEXGEN_OBJECT_Q,
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STATE_TEXENV_COLOR,
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STATE_DEPTH_RANGE,
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STATE_VERTEX_PROGRAM,
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STATE_FRAGMENT_PROGRAM,
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STATE_ENV,
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STATE_LOCAL
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};
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/*
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* Named program parameters
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* Used for NV_fragment_program "DEFINE"d constants and "DECLARE"d parameters,
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* and ARB_fragment_program global state references. For the later, Name
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* might be "state.light[0].diffuse", for example.
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*/
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enum parameter_type
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{
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NAMED_PARAMETER,
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CONSTANT,
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STATE
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};
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struct program_parameter
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{
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const char *Name; /* Null-terminated */
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enum parameter_type Type;
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enum state_index StateIndexes[6]; /* Global state reference */
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GLfloat Values[4];
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};
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struct program_parameter_list
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{
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GLuint NumParameters;
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struct program_parameter *Parameters;
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};
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/*
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* Program parameter functions
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*/
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extern struct program_parameter_list *
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_mesa_new_parameter_list(void);
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extern void
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_mesa_free_parameter_list(struct program_parameter_list *paramList);
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extern void
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_mesa_free_parameters(struct program_parameter_list *paramList);
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extern GLint
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_mesa_add_named_parameter(struct program_parameter_list *paramList,
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const char *name, const GLfloat values[4]);
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extern GLint
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_mesa_add_named_constant(struct program_parameter_list *paramList,
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const char *name, const GLfloat values[4]);
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extern GLint
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_mesa_add_unnamed_constant(struct program_parameter_list *paramList,
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const GLfloat values[4]);
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extern GLint
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_mesa_add_state_reference(struct program_parameter_list *paramList,
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GLint *stateTokens);
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extern GLfloat *
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_mesa_lookup_parameter_value(struct program_parameter_list *paramList,
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GLsizei nameLen, const char *name);
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extern GLint
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_mesa_lookup_parameter_index(struct program_parameter_list *paramList,
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GLsizei nameLen, const char *name);
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extern void
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_mesa_load_state_parameters(GLcontext *ctx,
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struct program_parameter_list *paramList);
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/*
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* API functions
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*/
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extern void GLAPIENTRY
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_mesa_BindProgram(GLenum target, GLuint id);
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extern void GLAPIENTRY
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_mesa_DeletePrograms(GLsizei n, const GLuint *ids);
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extern void GLAPIENTRY
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_mesa_GenPrograms(GLsizei n, GLuint *ids);
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extern GLboolean GLAPIENTRY
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_mesa_IsProgram(GLuint id);
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/*
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* GL_MESA_program_debug
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*/
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extern void
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_mesa_ProgramCallbackMESA(GLenum target, GLprogramcallbackMESA callback,
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GLvoid *data);
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extern void
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_mesa_GetProgramRegisterfvMESA(GLenum target, GLsizei len,
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const GLubyte *registerName, GLfloat *v);
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#endif /* PROGRAM_H */
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