| /** |
| * \file texobj.h |
| * Texture object management. |
| */ |
| |
| /* |
| * Mesa 3-D graphics library |
| * Version: 6.5 |
| * |
| * Copyright (C) 1999-2006 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 TEXTOBJ_H |
| #define TEXTOBJ_H |
| |
| |
| #include "compiler.h" |
| #include "glheader.h" |
| #include "mtypes.h" |
| #include "samplerobj.h" |
| |
| |
| /** |
| * \name Internal functions |
| */ |
| /*@{*/ |
| |
| extern struct gl_texture_object * |
| _mesa_lookup_texture(struct gl_context *ctx, GLuint id); |
| |
| extern struct gl_texture_object * |
| _mesa_new_texture_object( struct gl_context *ctx, GLuint name, GLenum target ); |
| |
| extern void |
| _mesa_initialize_texture_object( struct gl_texture_object *obj, |
| GLuint name, GLenum target ); |
| |
| extern void |
| _mesa_delete_texture_object( struct gl_context *ctx, |
| struct gl_texture_object *obj ); |
| |
| extern void |
| _mesa_copy_texture_object( struct gl_texture_object *dest, |
| const struct gl_texture_object *src ); |
| |
| extern void |
| _mesa_clear_texture_object(struct gl_context *ctx, |
| struct gl_texture_object *obj); |
| |
| extern void |
| _mesa_reference_texobj_(struct gl_texture_object **ptr, |
| struct gl_texture_object *tex); |
| |
| static inline void |
| _mesa_reference_texobj(struct gl_texture_object **ptr, |
| struct gl_texture_object *tex) |
| { |
| if (*ptr != tex) |
| _mesa_reference_texobj_(ptr, tex); |
| } |
| |
| |
| /** |
| * Return number of faces for a texture target. This will be 6 for |
| * cube maps (and cube map arrays) and 1 otherwise. |
| */ |
| static inline GLuint |
| _mesa_num_tex_faces(GLenum target) |
| { |
| return target == GL_TEXTURE_CUBE_MAP ? 6 : 1; |
| } |
| |
| |
| /** Is the texture "complete" with respect to the given sampler state? */ |
| static inline GLboolean |
| _mesa_is_texture_complete(const struct gl_texture_object *texObj, |
| const struct gl_sampler_object *sampler) |
| { |
| if (texObj->_IsIntegerFormat && |
| (sampler->MagFilter != GL_NEAREST || |
| (sampler->MinFilter != GL_NEAREST && |
| sampler->MinFilter != GL_NEAREST_MIPMAP_NEAREST))) { |
| /* If the format is integer, only nearest filtering is allowed */ |
| return GL_FALSE; |
| } |
| |
| if (_mesa_is_mipmap_filter(sampler)) |
| return texObj->_MipmapComplete; |
| else |
| return texObj->_BaseComplete; |
| } |
| |
| |
| extern void |
| _mesa_test_texobj_completeness( const struct gl_context *ctx, |
| struct gl_texture_object *obj ); |
| |
| extern GLboolean |
| _mesa_cube_complete(const struct gl_texture_object *texObj); |
| |
| extern void |
| _mesa_dirty_texobj(struct gl_context *ctx, struct gl_texture_object *texObj, |
| GLboolean invalidate_state); |
| |
| extern struct gl_texture_object * |
| _mesa_get_fallback_texture(struct gl_context *ctx, gl_texture_index tex); |
| |
| extern GLuint |
| _mesa_total_texture_memory(struct gl_context *ctx); |
| |
| extern void |
| _mesa_unlock_context_textures( struct gl_context *ctx ); |
| |
| extern void |
| _mesa_lock_context_textures( struct gl_context *ctx ); |
| |
| /*@}*/ |
| |
| /** |
| * \name API functions |
| */ |
| /*@{*/ |
| |
| extern void GLAPIENTRY |
| _mesa_GenTextures( GLsizei n, GLuint *textures ); |
| |
| |
| extern void GLAPIENTRY |
| _mesa_DeleteTextures( GLsizei n, const GLuint *textures ); |
| |
| |
| extern void GLAPIENTRY |
| _mesa_BindTexture( GLenum target, GLuint texture ); |
| |
| |
| extern void GLAPIENTRY |
| _mesa_PrioritizeTextures( GLsizei n, const GLuint *textures, |
| const GLclampf *priorities ); |
| |
| |
| extern GLboolean GLAPIENTRY |
| _mesa_AreTexturesResident( GLsizei n, const GLuint *textures, |
| GLboolean *residences ); |
| |
| extern GLboolean GLAPIENTRY |
| _mesa_IsTexture( GLuint texture ); |
| |
| extern void GLAPIENTRY |
| _mesa_InvalidateTexSubImage(GLuint texture, GLint level, GLint xoffset, |
| GLint yoffset, GLint zoffset, GLsizei width, |
| GLsizei height, GLsizei depth); |
| |
| extern void GLAPIENTRY |
| _mesa_InvalidateTexImage(GLuint texture, GLint level); |
| |
| /*@}*/ |
| |
| |
| #endif |