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path: root/src/mesa/main/shaderapi.h
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/*
 * Mesa 3-D graphics library
 *
 * Copyright (C) 2004-2007  Brian Paul   All Rights Reserved.
 * Copyright (C) 2010  VMware, Inc.  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"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */


#ifndef SHADERAPI_H
#define SHADERAPI_H


#include "glheader.h"
#include "main/mtypes.h"
#include "compiler/shader_enums.h"

#ifdef __cplusplus
extern "C" {
#endif


struct _glapi_table;
struct gl_context;
struct gl_linked_shader;
struct gl_pipeline_object;
struct gl_program;
struct gl_program_resource;
struct gl_shader;
struct gl_shader_program;

extern GLbitfield
_mesa_get_shader_flags(void);

extern const char *
_mesa_get_shader_capture_path(void);

extern void
_mesa_copy_string(GLchar *dst, GLsizei maxLength,
                  GLsizei *length, const GLchar *src);

extern void
_mesa_use_shader_program(struct gl_context *ctx,
                         struct gl_shader_program *shProg);

extern void
_mesa_active_program(struct gl_context *ctx, struct gl_shader_program *shProg,
		     const char *caller);

extern void
_mesa_compile_shader(struct gl_context *ctx, struct gl_shader *sh);

extern void
_mesa_link_program(struct gl_context *ctx, struct gl_shader_program *sh_prog);

extern unsigned
_mesa_count_active_attribs(struct gl_shader_program *shProg);

extern size_t
_mesa_longest_attribute_name_length(struct gl_shader_program *shProg);

extern void
_mesa_shader_write_subroutine_indices(struct gl_context *ctx,
                                      gl_shader_stage stage);

void GLAPIENTRY
_mesa_AttachObjectARB_no_error(GLhandleARB, GLhandleARB);

extern void GLAPIENTRY
_mesa_AttachObjectARB(GLhandleARB, GLhandleARB);

extern void  GLAPIENTRY
_mesa_CompileShader(GLuint);

extern GLhandleARB GLAPIENTRY
_mesa_CreateProgramObjectARB(void);

GLhandleARB GLAPIENTRY
_mesa_CreateShaderObjectARB_no_error(GLenum type);

extern GLhandleARB GLAPIENTRY
_mesa_CreateShaderObjectARB(GLenum type);

extern void GLAPIENTRY
_mesa_DeleteObjectARB(GLhandleARB obj);

void GLAPIENTRY
_mesa_DetachObjectARB_no_error(GLhandleARB, GLhandleARB);

extern void GLAPIENTRY
_mesa_DetachObjectARB(GLhandleARB, GLhandleARB);

extern void GLAPIENTRY
_mesa_GetAttachedObjectsARB(GLhandleARB, GLsizei, GLsizei *, GLhandleARB *);

extern GLint GLAPIENTRY
_mesa_GetFragDataLocation(GLuint program, const GLchar *name);

extern GLint GLAPIENTRY
_mesa_GetFragDataIndex(GLuint program, const GLchar *name);

extern GLhandleARB GLAPIENTRY
_mesa_GetHandleARB(GLenum pname);

extern void GLAPIENTRY
_mesa_GetInfoLogARB(GLhandleARB, GLsizei, GLsizei *, GLcharARB *);

extern void GLAPIENTRY
_mesa_GetObjectParameterfvARB(GLhandleARB, GLenum, GLfloat *);

extern void GLAPIENTRY
_mesa_GetObjectParameterivARB(GLhandleARB, GLenum, GLint *);

extern void GLAPIENTRY
_mesa_GetShaderSource(GLuint, GLsizei, GLsizei *, GLchar *);

extern GLboolean GLAPIENTRY
_mesa_IsProgram(GLuint name);

extern GLboolean GLAPIENTRY
_mesa_IsShader(GLuint name);

void GLAPIENTRY
_mesa_LinkProgram_no_error(GLuint programObj);

extern void GLAPIENTRY
_mesa_LinkProgram(GLuint programObj);

void GLAPIENTRY
_mesa_ShaderSource_no_error(GLuint, GLsizei, const GLchar* const *,
                            const GLint *);

extern void GLAPIENTRY
_mesa_ShaderSource(GLuint, GLsizei, const GLchar* const *, const GLint *);

void GLAPIENTRY
_mesa_UseProgram_no_error(GLuint);
extern void GLAPIENTRY
_mesa_UseProgram(GLuint);

extern void GLAPIENTRY
_mesa_ValidateProgram(GLuint);


void GLAPIENTRY
_mesa_BindAttribLocation_no_error(GLuint program, GLuint, const GLchar *);

extern void GLAPIENTRY
_mesa_BindAttribLocation(GLuint program, GLuint, const GLchar *);

extern void GLAPIENTRY
_mesa_BindFragDataLocation(GLuint program, GLuint colorNumber,
                           const GLchar *name);

extern void GLAPIENTRY
_mesa_BindFragDataLocationIndexed(GLuint program, GLuint colorNumber,
                                  GLuint index, const GLchar *name);

extern void GLAPIENTRY
_mesa_BindFragDataLocation_no_error(GLuint program, GLuint colorNumber,
                                    const GLchar *name);

extern void GLAPIENTRY
_mesa_BindFragDataLocationIndexed_no_error(GLuint program, GLuint colorNumber,
                                           GLuint index, const GLchar *name);

extern void GLAPIENTRY
_mesa_GetActiveAttrib(GLuint, GLuint, GLsizei, GLsizei *, GLint *,
                         GLenum *, GLchar *);

extern GLint GLAPIENTRY
_mesa_GetAttribLocation(GLuint, const GLchar *);

void GLAPIENTRY
_mesa_AttachShader_no_error(GLuint program, GLuint shader);

extern void GLAPIENTRY
_mesa_AttachShader(GLuint program, GLuint shader);

GLuint GLAPIENTRY
_mesa_CreateShader_no_error(GLenum);

extern GLuint GLAPIENTRY
_mesa_CreateShader(GLenum);

extern GLuint GLAPIENTRY
_mesa_CreateProgram(void);

extern void GLAPIENTRY
_mesa_DeleteProgram(GLuint program);

extern void GLAPIENTRY
_mesa_DeleteShader(GLuint shader);

void GLAPIENTRY
_mesa_DetachShader_no_error(GLuint program, GLuint shader);

extern void GLAPIENTRY
_mesa_DetachShader(GLuint program, GLuint shader);

extern void GLAPIENTRY
_mesa_GetAttachedShaders(GLuint program, GLsizei maxCount,
                         GLsizei *count, GLuint *obj);

extern void GLAPIENTRY
_mesa_GetProgramiv(GLuint program, GLenum pname, GLint *params);

extern void GLAPIENTRY
_mesa_GetProgramInfoLog(GLuint program, GLsizei bufSize,
                        GLsizei *length, GLchar *infoLog);

extern void GLAPIENTRY
_mesa_GetShaderiv(GLuint shader, GLenum pname, GLint *params);

extern void GLAPIENTRY
_mesa_GetShaderInfoLog(GLuint shader, GLsizei bufSize,
                       GLsizei *length, GLchar *infoLog);


extern void GLAPIENTRY
_mesa_GetShaderPrecisionFormat(GLenum shadertype, GLenum precisiontype,
                               GLint *range, GLint *precision);

extern void GLAPIENTRY
_mesa_ReleaseShaderCompiler(void);

extern void GLAPIENTRY
_mesa_ShaderBinary(GLint n, const GLuint *shaders, GLenum binaryformat,
                   const void* binary, GLint length);

extern void GLAPIENTRY
_mesa_GetProgramBinary(GLuint program, GLsizei bufSize, GLsizei *length,
                       GLenum *binaryFormat, GLvoid *binary);

extern void GLAPIENTRY
_mesa_ProgramBinary(GLuint program, GLenum binaryFormat,
                    const GLvoid *binary, GLsizei length);

void GLAPIENTRY
_mesa_ProgramParameteri_no_error(GLuint program, GLenum pname, GLint value);

extern void GLAPIENTRY
_mesa_ProgramParameteri(GLuint program, GLenum pname, GLint value);

void
_mesa_use_program(struct gl_context *ctx, gl_shader_stage stage,
                  struct gl_shader_program *shProg, struct gl_program *prog,
                  struct gl_pipeline_object *shTarget);

extern void
_mesa_copy_linked_program_data(const struct gl_shader_program *src,
                               struct gl_linked_shader *dst_sh);

extern bool
_mesa_validate_shader_target(const struct gl_context *ctx, GLenum type);


/* GL_ARB_separate_shader_objects */
extern GLuint GLAPIENTRY
_mesa_CreateShaderProgramv(GLenum type, GLsizei count,
                           const GLchar* const *strings);

/* GL_ARB_program_resource_query */
extern const char*
_mesa_program_resource_name(struct gl_program_resource *res);

extern unsigned
_mesa_program_resource_array_size(struct gl_program_resource *res);

extern GLuint
_mesa_program_resource_index(struct gl_shader_program *shProg,
                             struct gl_program_resource *res);

extern struct gl_program_resource *
_mesa_program_resource_find_name(struct gl_shader_program *shProg,
                                 GLenum programInterface, const char *name,
                                 unsigned *array_index);

extern struct gl_program_resource *
_mesa_program_resource_find_index(struct gl_shader_program *shProg,
                                  GLenum programInterface, GLuint index);

extern struct gl_program_resource *
_mesa_program_resource_find_active_variable(struct gl_shader_program *shProg,
                                            GLenum programInterface,
                                            const struct gl_uniform_block *block,
                                            unsigned index);

extern bool
_mesa_get_program_resource_name(struct gl_shader_program *shProg,
                                GLenum programInterface, GLuint index,
                                GLsizei bufSize, GLsizei *length,
                                GLchar *name, const char *caller);

extern unsigned
_mesa_program_resource_name_len(struct gl_program_resource *res);

extern GLint
_mesa_program_resource_location(struct gl_shader_program *shProg,
                                GLenum programInterface, const char *name);

extern GLint
_mesa_program_resource_location_index(struct gl_shader_program *shProg,
                                      GLenum programInterface, const char *name);

extern unsigned
_mesa_program_resource_prop(struct gl_shader_program *shProg,
                            struct gl_program_resource *res, GLuint index,
                            const GLenum prop, GLint *val, const char *caller);

extern void
_mesa_get_program_resourceiv(struct gl_shader_program *shProg,
                             GLenum programInterface, GLuint index,
                             GLsizei propCount, const GLenum *props,
                             GLsizei bufSize, GLsizei *length,
                             GLint *params);

extern void
_mesa_create_program_resource_hash(struct gl_shader_program *shProg);

/* GL_ARB_tessellation_shader */
void GLAPIENTRY
_mesa_PatchParameteri_no_error(GLenum pname, GLint value);

extern void GLAPIENTRY
_mesa_PatchParameteri(GLenum pname, GLint value);

extern void GLAPIENTRY
_mesa_PatchParameterfv(GLenum pname, const GLfloat *values);

/* GL_ARB_shader_subroutine */
void
_mesa_program_init_subroutine_defaults(struct gl_context *ctx,
                                       struct gl_program *prog);

extern GLint GLAPIENTRY
_mesa_GetSubroutineUniformLocation(GLuint program, GLenum shadertype,
                                   const GLchar *name);

extern GLuint GLAPIENTRY
_mesa_GetSubroutineIndex(GLuint program, GLenum shadertype,
                         const GLchar *name);

extern GLvoid GLAPIENTRY
_mesa_GetActiveSubroutineUniformiv(GLuint program, GLenum shadertype,
                                   GLuint index, GLenum pname, GLint *values);

extern GLvoid GLAPIENTRY
_mesa_GetActiveSubroutineUniformName(GLuint program, GLenum shadertype,
                                     GLuint index, GLsizei bufsize,
                                     GLsizei *length, GLchar *name);

extern GLvoid GLAPIENTRY
_mesa_GetActiveSubroutineName(GLuint program, GLenum shadertype,
                              GLuint index, GLsizei bufsize,
                              GLsizei *length, GLchar *name);

extern GLvoid GLAPIENTRY
_mesa_UniformSubroutinesuiv(GLenum shadertype, GLsizei count,
                            const GLuint *indices);

extern GLvoid GLAPIENTRY
_mesa_GetUniformSubroutineuiv(GLenum shadertype, GLint location,
                              GLuint *params);

extern GLvoid GLAPIENTRY
_mesa_GetProgramStageiv(GLuint program, GLenum shadertype,
                        GLenum pname, GLint *values);

extern GLvoid GLAPIENTRY
_mesa_NamedStringARB(GLenum type, GLint namelen, const GLchar *name,
                     GLint stringlen, const GLchar *string);

extern GLvoid GLAPIENTRY
_mesa_DeleteNamedStringARB(GLint namelen, const GLchar *name);

extern GLvoid GLAPIENTRY
_mesa_CompileShaderIncludeARB(GLuint shader, GLsizei count,
                              const GLchar* const *path, const GLint *length);

extern GLboolean GLAPIENTRY
_mesa_IsNamedStringARB(GLint namelen, const GLchar *name);

extern GLvoid GLAPIENTRY
_mesa_GetNamedStringARB(GLint namelen, const GLchar *name, GLsizei bufSize,
                        GLint *stringlen, GLchar *string);

extern GLvoid GLAPIENTRY
_mesa_GetNamedStringivARB(GLint namelen, const GLchar *name,
                          GLenum pname, GLint *params);

GLcharARB *
_mesa_read_shader_source(const gl_shader_stage stage, const char *source);

void
_mesa_dump_shader_source(const gl_shader_stage stage, const char *source);

void
_mesa_init_shader_includes(struct gl_shared_state *shared);

size_t
_mesa_get_shader_include_cursor(struct gl_shared_state *shared);

void
_mesa_set_shader_include_cursor(struct gl_shared_state *shared, size_t cusor);

void
_mesa_destroy_shader_includes(struct gl_shared_state *shared);

const char *
_mesa_lookup_shader_include(struct gl_context *ctx, char *path,
                            bool error_check);

#ifdef __cplusplus
}
#endif

#endif /* SHADERAPI_H */