mirror of
https://github.com/reactos/reactos.git
synced 2024-07-04 11:44:33 +00:00
206 lines
6 KiB
C
206 lines
6 KiB
C
/**
|
|
* \file teximage.h
|
|
* Texture images manipulation functions.
|
|
*/
|
|
|
|
/*
|
|
* Mesa 3-D graphics library
|
|
* Version: 6.5
|
|
*
|
|
* Copyright (C) 1999-2005 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"),
|
|
* 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
|
|
* BRIAN PAUL 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 TEXIMAGE_H
|
|
#define TEXIMAGE_H
|
|
|
|
|
|
#include "mtypes.h"
|
|
#include "formats.h"
|
|
|
|
|
|
/** Is the given value one of the 6 cube faces? */
|
|
static inline GLboolean
|
|
_mesa_is_cube_face(GLenum target)
|
|
{
|
|
return (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
|
|
target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB);
|
|
}
|
|
|
|
/** Is any of the dimensions of given texture equal to zero? */
|
|
static inline GLboolean
|
|
_mesa_is_zero_size_texture(const struct gl_texture_image *texImage)
|
|
{
|
|
return (texImage->Width == 0 ||
|
|
texImage->Height == 0 ||
|
|
texImage->Depth == 0);
|
|
}
|
|
|
|
/** \name Internal functions */
|
|
/*@{*/
|
|
|
|
extern GLint
|
|
_mesa_base_tex_format( struct gl_context *ctx, GLint internalFormat );
|
|
|
|
|
|
extern GLboolean
|
|
_mesa_is_proxy_texture(GLenum target);
|
|
|
|
|
|
extern struct gl_texture_image *
|
|
_mesa_new_texture_image( struct gl_context *ctx );
|
|
|
|
|
|
extern void
|
|
_mesa_delete_texture_image( struct gl_context *ctx,
|
|
struct gl_texture_image *teximage );
|
|
|
|
|
|
extern void
|
|
_mesa_init_teximage_fields(struct gl_context *ctx,
|
|
struct gl_texture_image *img,
|
|
GLsizei width, GLsizei height, GLsizei depth,
|
|
GLint border, GLenum internalFormat,
|
|
gl_format format);
|
|
|
|
|
|
extern gl_format
|
|
_mesa_choose_texture_format(struct gl_context *ctx,
|
|
struct gl_texture_object *texObj,
|
|
GLenum target, GLint level,
|
|
GLenum internalFormat, GLenum format, GLenum type);
|
|
|
|
extern void
|
|
_mesa_clear_texture_image(struct gl_context *ctx,
|
|
struct gl_texture_image *texImage);
|
|
|
|
|
|
extern struct gl_texture_object *
|
|
_mesa_select_tex_object(struct gl_context *ctx,
|
|
GLenum target);
|
|
|
|
|
|
extern struct gl_texture_image *
|
|
_mesa_select_tex_image(struct gl_context *ctx,
|
|
const struct gl_texture_object *texObj,
|
|
GLenum target, GLint level);
|
|
|
|
|
|
extern struct gl_texture_image *
|
|
_mesa_get_tex_image(struct gl_context *ctx, struct gl_texture_object *texObj,
|
|
GLenum target, GLint level);
|
|
|
|
|
|
extern struct gl_texture_image *
|
|
_mesa_get_proxy_tex_image(struct gl_context *ctx, GLenum target, GLint level);
|
|
|
|
|
|
extern GLint
|
|
_mesa_max_texture_levels(struct gl_context *ctx, GLenum target);
|
|
|
|
|
|
extern GLboolean
|
|
_mesa_test_proxy_teximage(struct gl_context *ctx, GLenum target, GLint level,
|
|
GLint internalFormat, GLenum format, GLenum type,
|
|
GLint width, GLint height, GLint depth, GLint border);
|
|
|
|
|
|
extern GLuint
|
|
_mesa_tex_target_to_face(GLenum target);
|
|
|
|
extern GLint
|
|
_mesa_get_texture_dimensions(GLenum target);
|
|
|
|
/**
|
|
* Lock a texture for updating. See also _mesa_lock_context_textures().
|
|
*/
|
|
static inline void
|
|
_mesa_lock_texture(struct gl_context *ctx, struct gl_texture_object *texObj)
|
|
{
|
|
_glthread_LOCK_MUTEX(ctx->Shared->TexMutex);
|
|
ctx->Shared->TextureStateStamp++;
|
|
(void) texObj;
|
|
}
|
|
|
|
static inline void
|
|
_mesa_unlock_texture(struct gl_context *ctx, struct gl_texture_object *texObj)
|
|
{
|
|
(void) texObj;
|
|
_glthread_UNLOCK_MUTEX(ctx->Shared->TexMutex);
|
|
}
|
|
|
|
/*@}*/
|
|
|
|
|
|
/** \name API entry point functions */
|
|
/*@{*/
|
|
|
|
extern void GLAPIENTRY
|
|
_mesa_TexImage1D( GLenum target, GLint level, GLint internalformat,
|
|
GLsizei width, GLint border,
|
|
GLenum format, GLenum type, const GLvoid *pixels );
|
|
|
|
|
|
extern void GLAPIENTRY
|
|
_mesa_TexImage2D( GLenum target, GLint level, GLint internalformat,
|
|
GLsizei width, GLsizei height, GLint border,
|
|
GLenum format, GLenum type, const GLvoid *pixels );
|
|
|
|
|
|
extern void GLAPIENTRY
|
|
_mesa_TexSubImage1D( GLenum target, GLint level, GLint xoffset,
|
|
GLsizei width,
|
|
GLenum format, GLenum type,
|
|
const GLvoid *pixels );
|
|
|
|
|
|
extern void GLAPIENTRY
|
|
_mesa_TexSubImage2D( GLenum target, GLint level,
|
|
GLint xoffset, GLint yoffset,
|
|
GLsizei width, GLsizei height,
|
|
GLenum format, GLenum type,
|
|
const GLvoid *pixels );
|
|
|
|
|
|
extern void GLAPIENTRY
|
|
_mesa_CopyTexImage1D( GLenum target, GLint level, GLenum internalformat,
|
|
GLint x, GLint y, GLsizei width, GLint border );
|
|
|
|
|
|
extern void GLAPIENTRY
|
|
_mesa_CopyTexImage2D( GLenum target, GLint level,
|
|
GLenum internalformat, GLint x, GLint y,
|
|
GLsizei width, GLsizei height, GLint border );
|
|
|
|
|
|
extern void GLAPIENTRY
|
|
_mesa_CopyTexSubImage1D( GLenum target, GLint level, GLint xoffset,
|
|
GLint x, GLint y, GLsizei width );
|
|
|
|
|
|
extern void GLAPIENTRY
|
|
_mesa_CopyTexSubImage2D( GLenum target, GLint level,
|
|
GLint xoffset, GLint yoffset,
|
|
GLint x, GLint y, GLsizei width, GLsizei height );
|
|
|
|
/*@}*/
|
|
|
|
#endif
|