/** * \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" #ifdef __cplusplus extern "C" { #endif /** 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 GLenum _mesa_get_proxy_target(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_update_fbo_texture(struct gl_context *ctx, struct gl_texture_object *texObj, GLuint face, GLuint level); 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, const struct gl_texture_unit *texUnit, GLenum target); extern struct gl_texture_object * _mesa_get_current_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 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, gl_format format, 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); extern GLboolean _mesa_legal_texture_dimensions(struct gl_context *ctx, GLenum target, GLint level, GLint width, GLint height, GLint depth, GLint border); /** * 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_TexImage3D( GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const GLvoid *pixels ); extern void GLAPIENTRY _mesa_TexImage3DEXT( GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const GLvoid *pixels ); extern void GLAPIENTRY _mesa_EGLImageTargetTexture2DOES( GLenum target, GLeglImageOES image ); 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_TexSubImage3D( GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, 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 ); extern void GLAPIENTRY _mesa_CopyTexSubImage3D( GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height ); extern void GLAPIENTRY _mesa_CompressedTexImage1D(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLint border, GLsizei imageSize, const GLvoid *data); extern void GLAPIENTRY _mesa_CompressedTexImage2D(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const GLvoid *data); extern void GLAPIENTRY _mesa_CompressedTexImage3D(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLsizei imageSize, const GLvoid *data); #ifdef VMS #define _mesa_CompressedTexSubImage1D _mesa_CompressedTexSubImage1DAR #define _mesa_CompressedTexSubImage2D _mesa_CompressedTexSubImage2DAR #define _mesa_CompressedTexSubImage3D _mesa_CompressedTexSubImage3DAR #endif extern void GLAPIENTRY _mesa_CompressedTexSubImage1D(GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLsizei imageSize, const GLvoid *data); extern void GLAPIENTRY _mesa_CompressedTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const GLvoid *data); extern void GLAPIENTRY _mesa_CompressedTexSubImage3D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const GLvoid *data); extern void GLAPIENTRY _mesa_TexBuffer(GLenum target, GLenum internalFormat, GLuint buffer); /*@}*/ #ifdef __cplusplus } #endif #endif