texobj.c revision 6a00625fbb7e42a71daa87f982eee8e9077a0679
16dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell/** 26dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * \file texobj.c 36dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * Texture object management. 46dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell */ 56dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell 6afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg/* 7afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg * Mesa 3-D graphics library 8145d762044f795bf9d68f28079cc5e5d3056920eBrian * Version: 7.1 95e3bc0c2a2bcdf59949410f94c9b705fc1281ce8Jouk Jansen * 10145d762044f795bf9d68f28079cc5e5d3056920eBrian * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. 115e3bc0c2a2bcdf59949410f94c9b705fc1281ce8Jouk Jansen * 12afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg * Permission is hereby granted, free of charge, to any person obtaining a 13afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg * copy of this software and associated documentation files (the "Software"), 14afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg * to deal in the Software without restriction, including without limitation 15afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg * the rights to use, copy, modify, merge, publish, distribute, sublicense, 16afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg * and/or sell copies of the Software, and to permit persons to whom the 17afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg * Software is furnished to do so, subject to the following conditions: 185e3bc0c2a2bcdf59949410f94c9b705fc1281ce8Jouk Jansen * 19afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg * The above copyright notice and this permission notice shall be included 20afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg * in all copies or substantial portions of the Software. 215e3bc0c2a2bcdf59949410f94c9b705fc1281ce8Jouk Jansen * 22afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 23afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 24afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 25afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 26afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 27afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 28afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg */ 29afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg 306dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell 31fbd8f212c3866ec98c1d8c9d3db3ddb7e7c479a5Brian Paul#include "glheader.h" 324bdcfe50f8886e43714f9b7edd25cbff19e6a97dBrian Paul#include "colortab.h" 33afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg#include "context.h" 34afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg#include "enums.h" 35519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul#include "fbobject.h" 36afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg#include "hash.h" 373c63452e64df7e10aa073c6c3b9492b1d7dabbb8Brian Paul#include "imports.h" 38ebb248aa5c018dc676d389221d76ed329059789eBrian Paul#include "macros.h" 39afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg#include "teximage.h" 40afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg#include "texstate.h" 41afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg#include "texobj.h" 425e3bc0c2a2bcdf59949410f94c9b705fc1281ce8Jouk Jansen#include "mtypes.h" 43afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg 44519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul 456dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell/**********************************************************************/ 466dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell/** \name Internal functions */ 476dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell/*@{*/ 486dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell 49ea4fe661d7f3a95d9db17e1475076f1badf8e1a6Brian Paul 50ea4fe661d7f3a95d9db17e1475076f1badf8e1a6Brian Paul/** 51ea4fe661d7f3a95d9db17e1475076f1badf8e1a6Brian Paul * Return the gl_texture_object for a given ID. 52ea4fe661d7f3a95d9db17e1475076f1badf8e1a6Brian Paul */ 53ea4fe661d7f3a95d9db17e1475076f1badf8e1a6Brian Paulstruct gl_texture_object * 54ea4fe661d7f3a95d9db17e1475076f1badf8e1a6Brian Paul_mesa_lookup_texture(GLcontext *ctx, GLuint id) 55ea4fe661d7f3a95d9db17e1475076f1badf8e1a6Brian Paul{ 56ea4fe661d7f3a95d9db17e1475076f1badf8e1a6Brian Paul return (struct gl_texture_object *) 57ea4fe661d7f3a95d9db17e1475076f1badf8e1a6Brian Paul _mesa_HashLookup(ctx->Shared->TexObjects, id); 58ea4fe661d7f3a95d9db17e1475076f1badf8e1a6Brian Paul} 59ea4fe661d7f3a95d9db17e1475076f1badf8e1a6Brian Paul 60ea4fe661d7f3a95d9db17e1475076f1badf8e1a6Brian Paul 61ea4fe661d7f3a95d9db17e1475076f1badf8e1a6Brian Paul 62a3f137094cd965d27e1b088499dd609b81a91906Brian Paul/** 638a033fa13514e3b78612ba1678182c9ea8290cd4Brian Paul * Allocate and initialize a new texture object. But don't put it into the 648a033fa13514e3b78612ba1678182c9ea8290cd4Brian Paul * texture object hash table. 656dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * 66a3f137094cd965d27e1b088499dd609b81a91906Brian Paul * Called via ctx->Driver.NewTextureObject, unless overridden by a device 67a3f137094cd965d27e1b088499dd609b81a91906Brian Paul * driver. 686dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * 696dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * \param shared the shared GL state structure to contain the texture object 706dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * \param name integer name for the texture object 716dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * \param target either GL_TEXTURE_1D, GL_TEXTURE_2D, GL_TEXTURE_3D, 726dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * GL_TEXTURE_CUBE_MAP_ARB or GL_TEXTURE_RECTANGLE_NV. zero is ok for the sake 736dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * of GenTextures() 746dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * 756dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * \return pointer to new texture object. 76afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg */ 77afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtgstruct gl_texture_object * 78a3f137094cd965d27e1b088499dd609b81a91906Brian Paul_mesa_new_texture_object( GLcontext *ctx, GLuint name, GLenum target ) 79afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg{ 80afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg struct gl_texture_object *obj; 81a6c423d95663cfd8601cf84e10e8e1b12fa6ef15Brian Paul (void) ctx; 829c0b83556dae35cf7260567f30fc156efa8c9742Brian Paul obj = MALLOC_STRUCT(gl_texture_object); 83a3f137094cd965d27e1b088499dd609b81a91906Brian Paul _mesa_initialize_texture_object(obj, name, target); 84a3f137094cd965d27e1b088499dd609b81a91906Brian Paul return obj; 85a3f137094cd965d27e1b088499dd609b81a91906Brian Paul} 86afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg 87a3f137094cd965d27e1b088499dd609b81a91906Brian Paul 88a3f137094cd965d27e1b088499dd609b81a91906Brian Paul/** 89f18fc687071a71a6f821a779a83b435f80d55b64Brian Paul * Initialize a new texture object to default values. 90a3f137094cd965d27e1b088499dd609b81a91906Brian Paul * \param obj the texture object 91a3f137094cd965d27e1b088499dd609b81a91906Brian Paul * \param name the texture name 92a3f137094cd965d27e1b088499dd609b81a91906Brian Paul * \param target the texture target 93a3f137094cd965d27e1b088499dd609b81a91906Brian Paul */ 94a3f137094cd965d27e1b088499dd609b81a91906Brian Paulvoid 95a3f137094cd965d27e1b088499dd609b81a91906Brian Paul_mesa_initialize_texture_object( struct gl_texture_object *obj, 96a3f137094cd965d27e1b088499dd609b81a91906Brian Paul GLuint name, GLenum target ) 97a3f137094cd965d27e1b088499dd609b81a91906Brian Paul{ 988afe7de8deaf3c9613fd68b344de8c52b02b1879Brian Paul ASSERT(target == 0 || 998afe7de8deaf3c9613fd68b344de8c52b02b1879Brian Paul target == GL_TEXTURE_1D || 1008afe7de8deaf3c9613fd68b344de8c52b02b1879Brian Paul target == GL_TEXTURE_2D || 1018afe7de8deaf3c9613fd68b344de8c52b02b1879Brian Paul target == GL_TEXTURE_3D || 1028afe7de8deaf3c9613fd68b344de8c52b02b1879Brian Paul target == GL_TEXTURE_CUBE_MAP_ARB || 103bb372f1c9bc08e8b0dca983cb4ba36b2f2f039fbIan Romanick target == GL_TEXTURE_RECTANGLE_NV || 104bb372f1c9bc08e8b0dca983cb4ba36b2f2f039fbIan Romanick target == GL_TEXTURE_1D_ARRAY_EXT || 105bb372f1c9bc08e8b0dca983cb4ba36b2f2f039fbIan Romanick target == GL_TEXTURE_2D_ARRAY_EXT); 106420ef64f18208a54b97e96936b741dc1531e45c8Brian Paul 107f18fc687071a71a6f821a779a83b435f80d55b64Brian Paul _mesa_bzero(obj, sizeof(*obj)); 108a3f137094cd965d27e1b088499dd609b81a91906Brian Paul /* init the non-zero fields */ 1099e01b915f1243a3f551cb795b7124bd1e52ca15fBrian _glthread_INIT_MUTEX(obj->Mutex); 110a3f137094cd965d27e1b088499dd609b81a91906Brian Paul obj->RefCount = 1; 111a3f137094cd965d27e1b088499dd609b81a91906Brian Paul obj->Name = name; 112a3f137094cd965d27e1b088499dd609b81a91906Brian Paul obj->Target = target; 113a3f137094cd965d27e1b088499dd609b81a91906Brian Paul obj->Priority = 1.0F; 114a3f137094cd965d27e1b088499dd609b81a91906Brian Paul if (target == GL_TEXTURE_RECTANGLE_NV) { 115a3f137094cd965d27e1b088499dd609b81a91906Brian Paul obj->WrapS = GL_CLAMP_TO_EDGE; 116a3f137094cd965d27e1b088499dd609b81a91906Brian Paul obj->WrapT = GL_CLAMP_TO_EDGE; 117a3f137094cd965d27e1b088499dd609b81a91906Brian Paul obj->WrapR = GL_CLAMP_TO_EDGE; 118a3f137094cd965d27e1b088499dd609b81a91906Brian Paul obj->MinFilter = GL_LINEAR; 119afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 120a3f137094cd965d27e1b088499dd609b81a91906Brian Paul else { 121a3f137094cd965d27e1b088499dd609b81a91906Brian Paul obj->WrapS = GL_REPEAT; 122a3f137094cd965d27e1b088499dd609b81a91906Brian Paul obj->WrapT = GL_REPEAT; 123a3f137094cd965d27e1b088499dd609b81a91906Brian Paul obj->WrapR = GL_REPEAT; 124a3f137094cd965d27e1b088499dd609b81a91906Brian Paul obj->MinFilter = GL_NEAREST_MIPMAP_LINEAR; 125a3f137094cd965d27e1b088499dd609b81a91906Brian Paul } 126a3f137094cd965d27e1b088499dd609b81a91906Brian Paul obj->MagFilter = GL_LINEAR; 127a3f137094cd965d27e1b088499dd609b81a91906Brian Paul obj->MinLod = -1000.0; 128a3f137094cd965d27e1b088499dd609b81a91906Brian Paul obj->MaxLod = 1000.0; 129781fb93877ea3a6faeefcdb48d9b463da7d954a3Brian Paul obj->LodBias = 0.0; 130a3f137094cd965d27e1b088499dd609b81a91906Brian Paul obj->BaseLevel = 0; 131a3f137094cd965d27e1b088499dd609b81a91906Brian Paul obj->MaxLevel = 1000; 132a3f137094cd965d27e1b088499dd609b81a91906Brian Paul obj->MaxAnisotropy = 1.0; 133a3f137094cd965d27e1b088499dd609b81a91906Brian Paul obj->CompareFlag = GL_FALSE; /* SGIX_shadow */ 134a3f137094cd965d27e1b088499dd609b81a91906Brian Paul obj->CompareOperator = GL_TEXTURE_LEQUAL_R_SGIX; /* SGIX_shadow */ 135f0805670a1b8e624c6f9a468a14c4bfbca446d1cBrian Paul obj->CompareMode = GL_NONE; /* ARB_shadow */ 136a3f137094cd965d27e1b088499dd609b81a91906Brian Paul obj->CompareFunc = GL_LEQUAL; /* ARB_shadow */ 137a3f137094cd965d27e1b088499dd609b81a91906Brian Paul obj->DepthMode = GL_LUMINANCE; /* ARB_depth_texture */ 138a3f137094cd965d27e1b088499dd609b81a91906Brian Paul obj->ShadowAmbient = 0.0F; /* ARB/SGIX_shadow_ambient */ 139afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg} 140afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg 141afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg 1426dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell/** 1436a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul * Some texture initialization can't be finished until we know which 1446a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul * target it's getting bound to (GL_TEXTURE_1D/2D/etc). 1456a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul */ 1466a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paulstatic void 1476a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paulfinish_texture_init(GLcontext *ctx, GLenum target, 1486a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul struct gl_texture_object *obj) 1496a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul{ 1506a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul assert(obj->Target == 0); 1516a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul 1526a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul if (target == GL_TEXTURE_RECTANGLE_NV) { 1536a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul /* have to init wrap and filter state here - kind of klunky */ 1546a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul obj->WrapS = GL_CLAMP_TO_EDGE; 1556a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul obj->WrapT = GL_CLAMP_TO_EDGE; 1566a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul obj->WrapR = GL_CLAMP_TO_EDGE; 1576a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul obj->MinFilter = GL_LINEAR; 1586a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul if (ctx->Driver.TexParameter) { 1596a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul static const GLfloat fparam_wrap[1] = {(GLfloat) GL_CLAMP_TO_EDGE}; 1606a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul static const GLfloat fparam_filter[1] = {(GLfloat) GL_LINEAR}; 1616a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul ctx->Driver.TexParameter(ctx, target, obj, GL_TEXTURE_WRAP_S, fparam_wrap); 1626a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul ctx->Driver.TexParameter(ctx, target, obj, GL_TEXTURE_WRAP_T, fparam_wrap); 1636a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul ctx->Driver.TexParameter(ctx, target, obj, GL_TEXTURE_WRAP_R, fparam_wrap); 1646a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul ctx->Driver.TexParameter(ctx, target, obj, GL_TEXTURE_MIN_FILTER, fparam_filter); 1656a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul } 1666a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul } 1676a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul} 1686a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul 1696a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul 1706a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul/** 1716dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * Deallocate a texture object struct. It should have already been 1726dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * removed from the texture object pool. 1739e3e3883fa42ffee82e8e8ecbf75c153a2215acbBrian * Called via ctx->Driver.DeleteTexture() if not overriden by a driver. 1746dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * 1756dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * \param shared the shared GL state to which the object belongs. 1766dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * \param texOjb the texture object to delete. 177afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg */ 178a3f137094cd965d27e1b088499dd609b81a91906Brian Paulvoid 179a3f137094cd965d27e1b088499dd609b81a91906Brian Paul_mesa_delete_texture_object( GLcontext *ctx, struct gl_texture_object *texObj ) 180afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg{ 18118fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell GLuint i, face; 182afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg 183a3f137094cd965d27e1b088499dd609b81a91906Brian Paul (void) ctx; 184a3f137094cd965d27e1b088499dd609b81a91906Brian Paul 1859e01b915f1243a3f551cb795b7124bd1e52ca15fBrian /* Set Target to an invalid value. With some assertions elsewhere 1869e01b915f1243a3f551cb795b7124bd1e52ca15fBrian * we can try to detect possible use of deleted textures. 1879e01b915f1243a3f551cb795b7124bd1e52ca15fBrian */ 1889e01b915f1243a3f551cb795b7124bd1e52ca15fBrian texObj->Target = 0x99; 1899e01b915f1243a3f551cb795b7124bd1e52ca15fBrian 19005944c031cd6bea985050f0e88a19f0794f57887Brian Paul _mesa_free_colortable_data(&texObj->Palette); 191a3f137094cd965d27e1b088499dd609b81a91906Brian Paul 192a3f137094cd965d27e1b088499dd609b81a91906Brian Paul /* free the texture images */ 19318fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell for (face = 0; face < 6; face++) { 19418fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell for (i = 0; i < MAX_TEXTURE_LEVELS; i++) { 19518fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell if (texObj->Image[face][i]) { 1963e62d3a8d88b48d4ed19e00ea2bbc3d0a2b6acf7Keith Whitwell _mesa_delete_texture_image( ctx, texObj->Image[face][i] ); 19718fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell } 198afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 199afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 200afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg 2019e01b915f1243a3f551cb795b7124bd1e52ca15fBrian /* destroy the mutex -- it may have allocated memory (eg on bsd) */ 2029e01b915f1243a3f551cb795b7124bd1e52ca15fBrian _glthread_DESTROY_MUTEX(texObj->Mutex); 2039e01b915f1243a3f551cb795b7124bd1e52ca15fBrian 204a3f137094cd965d27e1b088499dd609b81a91906Brian Paul /* free this object */ 205a3f137094cd965d27e1b088499dd609b81a91906Brian Paul _mesa_free(texObj); 206a3f137094cd965d27e1b088499dd609b81a91906Brian Paul} 207a3f137094cd965d27e1b088499dd609b81a91906Brian Paul 208a3f137094cd965d27e1b088499dd609b81a91906Brian Paul 209a3f137094cd965d27e1b088499dd609b81a91906Brian Paul 210afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg 2116dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell/** 21285d816028a2472e0378afda65e7ab6f7ff4d76b4Brian Paul * Copy texture object state from one texture object to another. 213bb7d5f8837a9c7658a18dbaf02d52583e29443e3Brian Paul * Use for glPush/PopAttrib. 2146dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * 2156dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * \param dest destination texture object. 2166dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * \param src source texture object. 21785d816028a2472e0378afda65e7ab6f7ff4d76b4Brian Paul */ 21885d816028a2472e0378afda65e7ab6f7ff4d76b4Brian Paulvoid 21985d816028a2472e0378afda65e7ab6f7ff4d76b4Brian Paul_mesa_copy_texture_object( struct gl_texture_object *dest, 22085d816028a2472e0378afda65e7ab6f7ff4d76b4Brian Paul const struct gl_texture_object *src ) 22185d816028a2472e0378afda65e7ab6f7ff4d76b4Brian Paul{ 222145d762044f795bf9d68f28079cc5e5d3056920eBrian dest->Target = src->Target; 22385d816028a2472e0378afda65e7ab6f7ff4d76b4Brian Paul dest->Name = src->Name; 22485d816028a2472e0378afda65e7ab6f7ff4d76b4Brian Paul dest->Priority = src->Priority; 22585d816028a2472e0378afda65e7ab6f7ff4d76b4Brian Paul dest->BorderColor[0] = src->BorderColor[0]; 22685d816028a2472e0378afda65e7ab6f7ff4d76b4Brian Paul dest->BorderColor[1] = src->BorderColor[1]; 22785d816028a2472e0378afda65e7ab6f7ff4d76b4Brian Paul dest->BorderColor[2] = src->BorderColor[2]; 22885d816028a2472e0378afda65e7ab6f7ff4d76b4Brian Paul dest->BorderColor[3] = src->BorderColor[3]; 22985d816028a2472e0378afda65e7ab6f7ff4d76b4Brian Paul dest->WrapS = src->WrapS; 23085d816028a2472e0378afda65e7ab6f7ff4d76b4Brian Paul dest->WrapT = src->WrapT; 23185d816028a2472e0378afda65e7ab6f7ff4d76b4Brian Paul dest->WrapR = src->WrapR; 23285d816028a2472e0378afda65e7ab6f7ff4d76b4Brian Paul dest->MinFilter = src->MinFilter; 23385d816028a2472e0378afda65e7ab6f7ff4d76b4Brian Paul dest->MagFilter = src->MagFilter; 23485d816028a2472e0378afda65e7ab6f7ff4d76b4Brian Paul dest->MinLod = src->MinLod; 23585d816028a2472e0378afda65e7ab6f7ff4d76b4Brian Paul dest->MaxLod = src->MaxLod; 236781fb93877ea3a6faeefcdb48d9b463da7d954a3Brian Paul dest->LodBias = src->LodBias; 23785d816028a2472e0378afda65e7ab6f7ff4d76b4Brian Paul dest->BaseLevel = src->BaseLevel; 23885d816028a2472e0378afda65e7ab6f7ff4d76b4Brian Paul dest->MaxLevel = src->MaxLevel; 23985d816028a2472e0378afda65e7ab6f7ff4d76b4Brian Paul dest->MaxAnisotropy = src->MaxAnisotropy; 24085d816028a2472e0378afda65e7ab6f7ff4d76b4Brian Paul dest->CompareFlag = src->CompareFlag; 24185d816028a2472e0378afda65e7ab6f7ff4d76b4Brian Paul dest->CompareOperator = src->CompareOperator; 24285d816028a2472e0378afda65e7ab6f7ff4d76b4Brian Paul dest->ShadowAmbient = src->ShadowAmbient; 24385d816028a2472e0378afda65e7ab6f7ff4d76b4Brian Paul dest->CompareMode = src->CompareMode; 24485d816028a2472e0378afda65e7ab6f7ff4d76b4Brian Paul dest->CompareFunc = src->CompareFunc; 24585d816028a2472e0378afda65e7ab6f7ff4d76b4Brian Paul dest->DepthMode = src->DepthMode; 24685d816028a2472e0378afda65e7ab6f7ff4d76b4Brian Paul dest->_MaxLevel = src->_MaxLevel; 24785d816028a2472e0378afda65e7ab6f7ff4d76b4Brian Paul dest->_MaxLambda = src->_MaxLambda; 24885d816028a2472e0378afda65e7ab6f7ff4d76b4Brian Paul dest->GenerateMipmap = src->GenerateMipmap; 24985d816028a2472e0378afda65e7ab6f7ff4d76b4Brian Paul dest->Palette = src->Palette; 250227315278dea9095cee6e508d03b28720b2e7880Brian dest->_Complete = src->_Complete; 25185d816028a2472e0378afda65e7ab6f7ff4d76b4Brian Paul} 25285d816028a2472e0378afda65e7ab6f7ff4d76b4Brian Paul 25385d816028a2472e0378afda65e7ab6f7ff4d76b4Brian Paul 2546dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell/** 2559e01b915f1243a3f551cb795b7124bd1e52ca15fBrian * Check if the given texture object is valid by examining its Target field. 2569e01b915f1243a3f551cb795b7124bd1e52ca15fBrian * For debugging only. 2579e01b915f1243a3f551cb795b7124bd1e52ca15fBrian */ 2589e01b915f1243a3f551cb795b7124bd1e52ca15fBrianstatic GLboolean 2599e01b915f1243a3f551cb795b7124bd1e52ca15fBrianvalid_texture_object(const struct gl_texture_object *tex) 2609e01b915f1243a3f551cb795b7124bd1e52ca15fBrian{ 2619e01b915f1243a3f551cb795b7124bd1e52ca15fBrian switch (tex->Target) { 2629e01b915f1243a3f551cb795b7124bd1e52ca15fBrian case 0: 2639e01b915f1243a3f551cb795b7124bd1e52ca15fBrian case GL_TEXTURE_1D: 2649e01b915f1243a3f551cb795b7124bd1e52ca15fBrian case GL_TEXTURE_2D: 2659e01b915f1243a3f551cb795b7124bd1e52ca15fBrian case GL_TEXTURE_3D: 2669e01b915f1243a3f551cb795b7124bd1e52ca15fBrian case GL_TEXTURE_CUBE_MAP_ARB: 2679e01b915f1243a3f551cb795b7124bd1e52ca15fBrian case GL_TEXTURE_RECTANGLE_NV: 2689e01b915f1243a3f551cb795b7124bd1e52ca15fBrian case GL_TEXTURE_1D_ARRAY_EXT: 2699e01b915f1243a3f551cb795b7124bd1e52ca15fBrian case GL_TEXTURE_2D_ARRAY_EXT: 2709e01b915f1243a3f551cb795b7124bd1e52ca15fBrian return GL_TRUE; 2719e01b915f1243a3f551cb795b7124bd1e52ca15fBrian case 0x99: 2729e01b915f1243a3f551cb795b7124bd1e52ca15fBrian _mesa_problem(NULL, "invalid reference to a deleted texture object"); 2739e01b915f1243a3f551cb795b7124bd1e52ca15fBrian return GL_FALSE; 2749e01b915f1243a3f551cb795b7124bd1e52ca15fBrian default: 2759e01b915f1243a3f551cb795b7124bd1e52ca15fBrian _mesa_problem(NULL, "invalid texture object Target value"); 2769e01b915f1243a3f551cb795b7124bd1e52ca15fBrian return GL_FALSE; 2779e01b915f1243a3f551cb795b7124bd1e52ca15fBrian } 2789e01b915f1243a3f551cb795b7124bd1e52ca15fBrian} 2799e01b915f1243a3f551cb795b7124bd1e52ca15fBrian 2809e01b915f1243a3f551cb795b7124bd1e52ca15fBrian 2819e01b915f1243a3f551cb795b7124bd1e52ca15fBrian/** 2829e01b915f1243a3f551cb795b7124bd1e52ca15fBrian * Reference (or unreference) a texture object. 2839e01b915f1243a3f551cb795b7124bd1e52ca15fBrian * If '*ptr', decrement *ptr's refcount (and delete if it becomes zero). 2849e01b915f1243a3f551cb795b7124bd1e52ca15fBrian * If 'tex' is non-null, increment its refcount. 2859e01b915f1243a3f551cb795b7124bd1e52ca15fBrian */ 2869e01b915f1243a3f551cb795b7124bd1e52ca15fBrianvoid 2879e01b915f1243a3f551cb795b7124bd1e52ca15fBrian_mesa_reference_texobj(struct gl_texture_object **ptr, 2889e01b915f1243a3f551cb795b7124bd1e52ca15fBrian struct gl_texture_object *tex) 2899e01b915f1243a3f551cb795b7124bd1e52ca15fBrian{ 2909e01b915f1243a3f551cb795b7124bd1e52ca15fBrian assert(ptr); 2919e01b915f1243a3f551cb795b7124bd1e52ca15fBrian if (*ptr == tex) { 2929e01b915f1243a3f551cb795b7124bd1e52ca15fBrian /* no change */ 2939e01b915f1243a3f551cb795b7124bd1e52ca15fBrian return; 2949e01b915f1243a3f551cb795b7124bd1e52ca15fBrian } 2959e01b915f1243a3f551cb795b7124bd1e52ca15fBrian 2969e01b915f1243a3f551cb795b7124bd1e52ca15fBrian if (*ptr) { 2979e01b915f1243a3f551cb795b7124bd1e52ca15fBrian /* Unreference the old texture */ 2989e01b915f1243a3f551cb795b7124bd1e52ca15fBrian GLboolean deleteFlag = GL_FALSE; 2999e01b915f1243a3f551cb795b7124bd1e52ca15fBrian struct gl_texture_object *oldTex = *ptr; 3009e01b915f1243a3f551cb795b7124bd1e52ca15fBrian 3019e01b915f1243a3f551cb795b7124bd1e52ca15fBrian assert(valid_texture_object(oldTex)); 3029e01b915f1243a3f551cb795b7124bd1e52ca15fBrian 3039e01b915f1243a3f551cb795b7124bd1e52ca15fBrian _glthread_LOCK_MUTEX(oldTex->Mutex); 3049e01b915f1243a3f551cb795b7124bd1e52ca15fBrian ASSERT(oldTex->RefCount > 0); 3059e01b915f1243a3f551cb795b7124bd1e52ca15fBrian oldTex->RefCount--; 306145d762044f795bf9d68f28079cc5e5d3056920eBrian 3079e01b915f1243a3f551cb795b7124bd1e52ca15fBrian deleteFlag = (oldTex->RefCount == 0); 3089e01b915f1243a3f551cb795b7124bd1e52ca15fBrian _glthread_UNLOCK_MUTEX(oldTex->Mutex); 3099e01b915f1243a3f551cb795b7124bd1e52ca15fBrian 3109e01b915f1243a3f551cb795b7124bd1e52ca15fBrian if (deleteFlag) { 3119e01b915f1243a3f551cb795b7124bd1e52ca15fBrian GET_CURRENT_CONTEXT(ctx); 312dc73217294efcba83c46183ed2f208250217486fBrian if (ctx) 313dc73217294efcba83c46183ed2f208250217486fBrian ctx->Driver.DeleteTexture(ctx, oldTex); 314dc73217294efcba83c46183ed2f208250217486fBrian else 315dc73217294efcba83c46183ed2f208250217486fBrian _mesa_problem(NULL, "Unable to delete texture, no context"); 3169e01b915f1243a3f551cb795b7124bd1e52ca15fBrian } 3179e01b915f1243a3f551cb795b7124bd1e52ca15fBrian 3189e01b915f1243a3f551cb795b7124bd1e52ca15fBrian *ptr = NULL; 3199e01b915f1243a3f551cb795b7124bd1e52ca15fBrian } 3209e01b915f1243a3f551cb795b7124bd1e52ca15fBrian assert(!*ptr); 3219e01b915f1243a3f551cb795b7124bd1e52ca15fBrian 3229e01b915f1243a3f551cb795b7124bd1e52ca15fBrian if (tex) { 3239e01b915f1243a3f551cb795b7124bd1e52ca15fBrian /* reference new texture */ 3249e01b915f1243a3f551cb795b7124bd1e52ca15fBrian assert(valid_texture_object(tex)); 3259e01b915f1243a3f551cb795b7124bd1e52ca15fBrian _glthread_LOCK_MUTEX(tex->Mutex); 3269e01b915f1243a3f551cb795b7124bd1e52ca15fBrian if (tex->RefCount == 0) { 3279e01b915f1243a3f551cb795b7124bd1e52ca15fBrian /* this texture's being deleted (look just above) */ 3289e01b915f1243a3f551cb795b7124bd1e52ca15fBrian /* Not sure this can every really happen. Warn if it does. */ 3299e01b915f1243a3f551cb795b7124bd1e52ca15fBrian _mesa_problem(NULL, "referencing deleted texture object"); 3309e01b915f1243a3f551cb795b7124bd1e52ca15fBrian *ptr = NULL; 3319e01b915f1243a3f551cb795b7124bd1e52ca15fBrian } 3329e01b915f1243a3f551cb795b7124bd1e52ca15fBrian else { 3339e01b915f1243a3f551cb795b7124bd1e52ca15fBrian tex->RefCount++; 3349e01b915f1243a3f551cb795b7124bd1e52ca15fBrian *ptr = tex; 3359e01b915f1243a3f551cb795b7124bd1e52ca15fBrian } 3369e01b915f1243a3f551cb795b7124bd1e52ca15fBrian _glthread_UNLOCK_MUTEX(tex->Mutex); 3379e01b915f1243a3f551cb795b7124bd1e52ca15fBrian } 3389e01b915f1243a3f551cb795b7124bd1e52ca15fBrian} 3399e01b915f1243a3f551cb795b7124bd1e52ca15fBrian 3409e01b915f1243a3f551cb795b7124bd1e52ca15fBrian 3419e01b915f1243a3f551cb795b7124bd1e52ca15fBrian 3429e01b915f1243a3f551cb795b7124bd1e52ca15fBrian/** 3436dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * Report why a texture object is incomplete. 3446dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * 3456dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * \param t texture object. 3466dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * \param why string describing why it's incomplete. 3476dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * 3486dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * \note For debug purposes only. 349a852378a6289d154364dde440f89a39bbfc33e2dBrian Paul */ 35021d073d55ad668494fa19977fe06369194eb1ec5Brian Paul#if 0 35121d073d55ad668494fa19977fe06369194eb1ec5Brian Paulstatic void 35221d073d55ad668494fa19977fe06369194eb1ec5Brian Paulincomplete(const struct gl_texture_object *t, const char *why) 35321d073d55ad668494fa19977fe06369194eb1ec5Brian Paul{ 3544e9676fb13f60ecdbc247b120031f18cd3febcb0Brian Paul _mesa_printf("Texture Obj %d incomplete because: %s\n", t->Name, why); 35521d073d55ad668494fa19977fe06369194eb1ec5Brian Paul} 35621d073d55ad668494fa19977fe06369194eb1ec5Brian Paul#else 3576dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell#define incomplete(t, why) 35821d073d55ad668494fa19977fe06369194eb1ec5Brian Paul#endif 359afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg 360afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg 3616dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell/** 362a852378a6289d154364dde440f89a39bbfc33e2dBrian Paul * Examine a texture object to determine if it is complete. 3636dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * 3646dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * The gl_texture_object::Complete flag will be set to GL_TRUE or GL_FALSE 3656dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * accordingly. 3666dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * 3676dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * \param ctx GL context. 3686dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * \param t texture object. 3696dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * 3706dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * According to the texture target, verifies that each of the mipmaps is 3716dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * present and has the expected size. 372afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg */ 37335d5301a54153930ee6fd60dff1010ce9f901397Brian Paulvoid 37435d5301a54153930ee6fd60dff1010ce9f901397Brian Paul_mesa_test_texobj_completeness( const GLcontext *ctx, 37535d5301a54153930ee6fd60dff1010ce9f901397Brian Paul struct gl_texture_object *t ) 376afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg{ 37763ec4238236479a57420c6b43a09d79eff624928Brian Paul const GLint baseLevel = t->BaseLevel; 378cd1cefae9146fc14b35ee93a04bdb1b1590fba7bBrian Paul GLint maxLog2 = 0, maxLevels = 0; 37963ec4238236479a57420c6b43a09d79eff624928Brian Paul 380227315278dea9095cee6e508d03b28720b2e7880Brian t->_Complete = GL_TRUE; /* be optimistic */ 381afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg 382a852378a6289d154364dde440f89a39bbfc33e2dBrian Paul /* Always need the base level image */ 38318fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell if (!t->Image[0][baseLevel]) { 3847e86eb991b50e0f52e6a0404289ca73126da6414Brian Paul char s[100]; 385aa2069586d434dd0487b0daa2b583efe801a0d51Brian Paul _mesa_sprintf(s, "obj %p (%d) Image[baseLevel=%d] == NULL", 3864ccbe9e666b55b97e6482e0655277c33e434ff32Brian Paul (void *) t, t->Name, baseLevel); 3877e86eb991b50e0f52e6a0404289ca73126da6414Brian Paul incomplete(t, s); 388227315278dea9095cee6e508d03b28720b2e7880Brian t->_Complete = GL_FALSE; 389afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg return; 390afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 391afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg 392973da83f6237b5af4a9ee77f32fdfa5c04ecabc8Brian Paul /* Check width/height/depth for zero */ 39318fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell if (t->Image[0][baseLevel]->Width == 0 || 39418fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell t->Image[0][baseLevel]->Height == 0 || 39518fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell t->Image[0][baseLevel]->Depth == 0) { 396973da83f6237b5af4a9ee77f32fdfa5c04ecabc8Brian Paul incomplete(t, "texture width = 0"); 397227315278dea9095cee6e508d03b28720b2e7880Brian t->_Complete = GL_FALSE; 398973da83f6237b5af4a9ee77f32fdfa5c04ecabc8Brian Paul return; 399973da83f6237b5af4a9ee77f32fdfa5c04ecabc8Brian Paul } 400973da83f6237b5af4a9ee77f32fdfa5c04ecabc8Brian Paul 401083e466f88e1203f08b7699fa34b05d0e45b3172Brian Paul /* Compute _MaxLevel */ 402bb372f1c9bc08e8b0dca983cb4ba36b2f2f039fbIan Romanick if ((t->Target == GL_TEXTURE_1D) || 403bb372f1c9bc08e8b0dca983cb4ba36b2f2f039fbIan Romanick (t->Target == GL_TEXTURE_1D_ARRAY_EXT)) { 40418fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell maxLog2 = t->Image[0][baseLevel]->WidthLog2; 405cd1cefae9146fc14b35ee93a04bdb1b1590fba7bBrian Paul maxLevels = ctx->Const.MaxTextureLevels; 406afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 407bb372f1c9bc08e8b0dca983cb4ba36b2f2f039fbIan Romanick else if ((t->Target == GL_TEXTURE_2D) || 408bb372f1c9bc08e8b0dca983cb4ba36b2f2f039fbIan Romanick (t->Target == GL_TEXTURE_2D_ARRAY_EXT)) { 40918fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell maxLog2 = MAX2(t->Image[0][baseLevel]->WidthLog2, 41018fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell t->Image[0][baseLevel]->HeightLog2); 4118afe7de8deaf3c9613fd68b344de8c52b02b1879Brian Paul maxLevels = ctx->Const.MaxTextureLevels; 412afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 4138afe7de8deaf3c9613fd68b344de8c52b02b1879Brian Paul else if (t->Target == GL_TEXTURE_3D) { 41418fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell GLint max = MAX2(t->Image[0][baseLevel]->WidthLog2, 41518fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell t->Image[0][baseLevel]->HeightLog2); 41618fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell maxLog2 = MAX2(max, (GLint)(t->Image[0][baseLevel]->DepthLog2)); 417cd1cefae9146fc14b35ee93a04bdb1b1590fba7bBrian Paul maxLevels = ctx->Const.Max3DTextureLevels; 418afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 4198afe7de8deaf3c9613fd68b344de8c52b02b1879Brian Paul else if (t->Target == GL_TEXTURE_CUBE_MAP_ARB) { 42018fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell maxLog2 = MAX2(t->Image[0][baseLevel]->WidthLog2, 42118fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell t->Image[0][baseLevel]->HeightLog2); 4228afe7de8deaf3c9613fd68b344de8c52b02b1879Brian Paul maxLevels = ctx->Const.MaxCubeTextureLevels; 4238afe7de8deaf3c9613fd68b344de8c52b02b1879Brian Paul } 4248afe7de8deaf3c9613fd68b344de8c52b02b1879Brian Paul else if (t->Target == GL_TEXTURE_RECTANGLE_NV) { 4258afe7de8deaf3c9613fd68b344de8c52b02b1879Brian Paul maxLog2 = 0; /* not applicable */ 4268afe7de8deaf3c9613fd68b344de8c52b02b1879Brian Paul maxLevels = 1; /* no mipmapping */ 4278afe7de8deaf3c9613fd68b344de8c52b02b1879Brian Paul } 428cd1cefae9146fc14b35ee93a04bdb1b1590fba7bBrian Paul else { 4298afe7de8deaf3c9613fd68b344de8c52b02b1879Brian Paul _mesa_problem(ctx, "Bad t->Target in _mesa_test_texobj_completeness"); 430cd1cefae9146fc14b35ee93a04bdb1b1590fba7bBrian Paul return; 431cd1cefae9146fc14b35ee93a04bdb1b1590fba7bBrian Paul } 432cd1cefae9146fc14b35ee93a04bdb1b1590fba7bBrian Paul 433cd1cefae9146fc14b35ee93a04bdb1b1590fba7bBrian Paul ASSERT(maxLevels > 0); 434afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg 435083e466f88e1203f08b7699fa34b05d0e45b3172Brian Paul t->_MaxLevel = baseLevel + maxLog2; 436083e466f88e1203f08b7699fa34b05d0e45b3172Brian Paul t->_MaxLevel = MIN2(t->_MaxLevel, t->MaxLevel); 437cd1cefae9146fc14b35ee93a04bdb1b1590fba7bBrian Paul t->_MaxLevel = MIN2(t->_MaxLevel, maxLevels - 1); 438afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg 439083e466f88e1203f08b7699fa34b05d0e45b3172Brian Paul /* Compute _MaxLambda = q - b (see the 1.2 spec) used during mipmapping */ 440083e466f88e1203f08b7699fa34b05d0e45b3172Brian Paul t->_MaxLambda = (GLfloat) (t->_MaxLevel - t->BaseLevel); 441afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg 4428afe7de8deaf3c9613fd68b344de8c52b02b1879Brian Paul if (t->Target == GL_TEXTURE_CUBE_MAP_ARB) { 443a852378a6289d154364dde440f89a39bbfc33e2dBrian Paul /* make sure that all six cube map level 0 images are the same size */ 44418fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell const GLuint w = t->Image[0][baseLevel]->Width2; 44518fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell const GLuint h = t->Image[0][baseLevel]->Height2; 44618fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell GLuint face; 44718fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell for (face = 1; face < 6; face++) { 44818fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell if (t->Image[face][baseLevel] == NULL || 44918fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell t->Image[face][baseLevel]->Width2 != w || 45018fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell t->Image[face][baseLevel]->Height2 != h) { 451227315278dea9095cee6e508d03b28720b2e7880Brian t->_Complete = GL_FALSE; 45218fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell incomplete(t, "Non-quare cubemap image"); 45318fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell return; 45418fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell } 455ad817704fa2c6d8449f55565f07ab5592a574fb6Brian Paul } 456ad817704fa2c6d8449f55565f07ab5592a574fb6Brian Paul } 457ad817704fa2c6d8449f55565f07ab5592a574fb6Brian Paul 458887e2cf01a99f7fe1b7c94320b7bdbbf0d6ad2f8Brian Paul /* extra checking for mipmaps */ 459ad817704fa2c6d8449f55565f07ab5592a574fb6Brian Paul if (t->MinFilter != GL_NEAREST && t->MinFilter != GL_LINEAR) { 460afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg /* 461afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg * Mipmapping: determine if we have a complete set of mipmaps 462afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg */ 463afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg GLint i; 46463ec4238236479a57420c6b43a09d79eff624928Brian Paul GLint minLevel = baseLevel; 465083e466f88e1203f08b7699fa34b05d0e45b3172Brian Paul GLint maxLevel = t->_MaxLevel; 466afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg 467afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg if (minLevel > maxLevel) { 468227315278dea9095cee6e508d03b28720b2e7880Brian t->_Complete = GL_FALSE; 46921d073d55ad668494fa19977fe06369194eb1ec5Brian Paul incomplete(t, "minLevel > maxLevel"); 470afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg return; 471afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 472afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg 473afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg /* Test dimension-independent attributes */ 474afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg for (i = minLevel; i <= maxLevel; i++) { 47518fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell if (t->Image[0][i]) { 47618fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell if (t->Image[0][i]->TexFormat != t->Image[0][baseLevel]->TexFormat) { 477227315278dea9095cee6e508d03b28720b2e7880Brian t->_Complete = GL_FALSE; 47821d073d55ad668494fa19977fe06369194eb1ec5Brian Paul incomplete(t, "Format[i] != Format[baseLevel]"); 479afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg return; 480afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 48118fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell if (t->Image[0][i]->Border != t->Image[0][baseLevel]->Border) { 482227315278dea9095cee6e508d03b28720b2e7880Brian t->_Complete = GL_FALSE; 48321d073d55ad668494fa19977fe06369194eb1ec5Brian Paul incomplete(t, "Border[i] != Border[baseLevel]"); 484afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg return; 485afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 486afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 487afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 488afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg 489afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg /* Test things which depend on number of texture image dimensions */ 490bb372f1c9bc08e8b0dca983cb4ba36b2f2f039fbIan Romanick if ((t->Target == GL_TEXTURE_1D) || 491bb372f1c9bc08e8b0dca983cb4ba36b2f2f039fbIan Romanick (t->Target == GL_TEXTURE_1D_ARRAY_EXT)) { 492afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg /* Test 1-D mipmaps */ 49318fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell GLuint width = t->Image[0][baseLevel]->Width2; 494cd1cefae9146fc14b35ee93a04bdb1b1590fba7bBrian Paul for (i = baseLevel + 1; i < maxLevels; i++) { 495ad817704fa2c6d8449f55565f07ab5592a574fb6Brian Paul if (width > 1) { 496afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg width /= 2; 497afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 498afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg if (i >= minLevel && i <= maxLevel) { 49918fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell if (!t->Image[0][i]) { 500227315278dea9095cee6e508d03b28720b2e7880Brian t->_Complete = GL_FALSE; 50118fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell incomplete(t, "1D Image[0][i] == NULL"); 502afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg return; 503afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 50418fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell if (t->Image[0][i]->Width2 != width ) { 505227315278dea9095cee6e508d03b28720b2e7880Brian t->_Complete = GL_FALSE; 50618fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell incomplete(t, "1D Image[0][i] bad width"); 507afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg return; 508afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 509afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 510ad817704fa2c6d8449f55565f07ab5592a574fb6Brian Paul if (width == 1) { 511afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg return; /* found smallest needed mipmap, all done! */ 512afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 513afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 514afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 515bb372f1c9bc08e8b0dca983cb4ba36b2f2f039fbIan Romanick else if ((t->Target == GL_TEXTURE_2D) || 516bb372f1c9bc08e8b0dca983cb4ba36b2f2f039fbIan Romanick (t->Target == GL_TEXTURE_2D_ARRAY_EXT)) { 517afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg /* Test 2-D mipmaps */ 51818fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell GLuint width = t->Image[0][baseLevel]->Width2; 51918fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell GLuint height = t->Image[0][baseLevel]->Height2; 520cd1cefae9146fc14b35ee93a04bdb1b1590fba7bBrian Paul for (i = baseLevel + 1; i < maxLevels; i++) { 521ad817704fa2c6d8449f55565f07ab5592a574fb6Brian Paul if (width > 1) { 522afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg width /= 2; 523afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 524ad817704fa2c6d8449f55565f07ab5592a574fb6Brian Paul if (height > 1) { 525afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg height /= 2; 526afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 527afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg if (i >= minLevel && i <= maxLevel) { 52818fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell if (!t->Image[0][i]) { 529227315278dea9095cee6e508d03b28720b2e7880Brian t->_Complete = GL_FALSE; 53018fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell incomplete(t, "2D Image[0][i] == NULL"); 531afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg return; 532afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 53318fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell if (t->Image[0][i]->Width2 != width) { 534227315278dea9095cee6e508d03b28720b2e7880Brian t->_Complete = GL_FALSE; 53518fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell incomplete(t, "2D Image[0][i] bad width"); 536afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg return; 537afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 53818fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell if (t->Image[0][i]->Height2 != height) { 539227315278dea9095cee6e508d03b28720b2e7880Brian t->_Complete = GL_FALSE; 54018fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell incomplete(t, "2D Image[0][i] bad height"); 541afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg return; 542afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 543afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg if (width==1 && height==1) { 544afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg return; /* found smallest needed mipmap, all done! */ 545afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 546afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 547afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 548afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 5498afe7de8deaf3c9613fd68b344de8c52b02b1879Brian Paul else if (t->Target == GL_TEXTURE_3D) { 550afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg /* Test 3-D mipmaps */ 55118fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell GLuint width = t->Image[0][baseLevel]->Width2; 55218fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell GLuint height = t->Image[0][baseLevel]->Height2; 55318fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell GLuint depth = t->Image[0][baseLevel]->Depth2; 554cd1cefae9146fc14b35ee93a04bdb1b1590fba7bBrian Paul for (i = baseLevel + 1; i < maxLevels; i++) { 555ad817704fa2c6d8449f55565f07ab5592a574fb6Brian Paul if (width > 1) { 556afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg width /= 2; 557afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 558ad817704fa2c6d8449f55565f07ab5592a574fb6Brian Paul if (height > 1) { 559afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg height /= 2; 560afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 561ad817704fa2c6d8449f55565f07ab5592a574fb6Brian Paul if (depth > 1) { 562afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg depth /= 2; 563afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 564afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg if (i >= minLevel && i <= maxLevel) { 56518fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell if (!t->Image[0][i]) { 56618fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell incomplete(t, "3D Image[0][i] == NULL"); 567227315278dea9095cee6e508d03b28720b2e7880Brian t->_Complete = GL_FALSE; 568afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg return; 569afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 570a9fc8ba756dd25a07dc19058fe60f65bda82a055Brian Paul if (t->Image[0][i]->_BaseFormat == GL_DEPTH_COMPONENT) { 571227315278dea9095cee6e508d03b28720b2e7880Brian t->_Complete = GL_FALSE; 5724182cf60d96a077a66675e89694529b5f9e4b329Brian Paul incomplete(t, "GL_DEPTH_COMPONENT only works with 1/2D tex"); 5734182cf60d96a077a66675e89694529b5f9e4b329Brian Paul return; 5744182cf60d96a077a66675e89694529b5f9e4b329Brian Paul } 57518fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell if (t->Image[0][i]->Width2 != width) { 576227315278dea9095cee6e508d03b28720b2e7880Brian t->_Complete = GL_FALSE; 57718fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell incomplete(t, "3D Image[0][i] bad width"); 578afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg return; 579afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 58018fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell if (t->Image[0][i]->Height2 != height) { 581227315278dea9095cee6e508d03b28720b2e7880Brian t->_Complete = GL_FALSE; 58218fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell incomplete(t, "3D Image[0][i] bad height"); 583afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg return; 584afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 58518fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell if (t->Image[0][i]->Depth2 != depth) { 586227315278dea9095cee6e508d03b28720b2e7880Brian t->_Complete = GL_FALSE; 58718fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell incomplete(t, "3D Image[0][i] bad depth"); 588afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg return; 589afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 590afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 591ad817704fa2c6d8449f55565f07ab5592a574fb6Brian Paul if (width == 1 && height == 1 && depth == 1) { 592afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg return; /* found smallest needed mipmap, all done! */ 593afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 594afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 595afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 5968afe7de8deaf3c9613fd68b344de8c52b02b1879Brian Paul else if (t->Target == GL_TEXTURE_CUBE_MAP_ARB) { 597ad817704fa2c6d8449f55565f07ab5592a574fb6Brian Paul /* make sure 6 cube faces are consistant */ 59818fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell GLuint width = t->Image[0][baseLevel]->Width2; 59918fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell GLuint height = t->Image[0][baseLevel]->Height2; 600cd1cefae9146fc14b35ee93a04bdb1b1590fba7bBrian Paul for (i = baseLevel + 1; i < maxLevels; i++) { 601ad817704fa2c6d8449f55565f07ab5592a574fb6Brian Paul if (width > 1) { 602ad817704fa2c6d8449f55565f07ab5592a574fb6Brian Paul width /= 2; 603ad817704fa2c6d8449f55565f07ab5592a574fb6Brian Paul } 604ad817704fa2c6d8449f55565f07ab5592a574fb6Brian Paul if (height > 1) { 605ad817704fa2c6d8449f55565f07ab5592a574fb6Brian Paul height /= 2; 606ad817704fa2c6d8449f55565f07ab5592a574fb6Brian Paul } 607ad817704fa2c6d8449f55565f07ab5592a574fb6Brian Paul if (i >= minLevel && i <= maxLevel) { 60818fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell GLuint face; 60918fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell for (face = 0; face < 6; face++) { 61018fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell /* check that we have images defined */ 61118fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell if (!t->Image[face][i]) { 612227315278dea9095cee6e508d03b28720b2e7880Brian t->_Complete = GL_FALSE; 61318fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell incomplete(t, "CubeMap Image[n][i] == NULL"); 61418fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell return; 61518fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell } 61618fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell /* Don't support GL_DEPTH_COMPONENT for cube maps */ 617a9fc8ba756dd25a07dc19058fe60f65bda82a055Brian Paul if (t->Image[face][i]->_BaseFormat == GL_DEPTH_COMPONENT) { 618227315278dea9095cee6e508d03b28720b2e7880Brian t->_Complete = GL_FALSE; 61918fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell incomplete(t, "GL_DEPTH_COMPONENT only works with 1/2D tex"); 62018fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell return; 62118fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell } 62218fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell /* check that all six images have same size */ 62318fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell if (t->Image[face][i]->Width2!=width || 62418fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell t->Image[face][i]->Height2!=height) { 625227315278dea9095cee6e508d03b28720b2e7880Brian t->_Complete = GL_FALSE; 62618fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell incomplete(t, "CubeMap Image[n][i] bad size"); 62718fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell return; 62818fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell } 62918fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell } 63018fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell } 63118fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell if (width == 1 && height == 1) { 63218fa367ac6e035341f5eb86ecc4231124b2921e3Keith Whitwell return; /* found smallest needed mipmap, all done! */ 633ad817704fa2c6d8449f55565f07ab5592a574fb6Brian Paul } 634ad817704fa2c6d8449f55565f07ab5592a574fb6Brian Paul } 635413d6a21f849a689b5c83ea04395856b44fc65a8Brian Paul } 6368afe7de8deaf3c9613fd68b344de8c52b02b1879Brian Paul else if (t->Target == GL_TEXTURE_RECTANGLE_NV) { 6378afe7de8deaf3c9613fd68b344de8c52b02b1879Brian Paul /* XXX special checking? */ 6388afe7de8deaf3c9613fd68b344de8c52b02b1879Brian Paul } 639afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg else { 6408afe7de8deaf3c9613fd68b344de8c52b02b1879Brian Paul /* Target = ??? */ 64108836341788a9f9d638d9dc8328510ccd18ddeb5Brian Paul _mesa_problem(ctx, "Bug in gl_test_texture_object_completeness\n"); 642afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 643afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 644afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg} 645afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg 6466dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell/*@}*/ 647afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg 648832179c50e2cf5de9735241e4767aea4d6fc33bfBrian Paul 6496dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell/***********************************************************************/ 6506dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell/** \name API functions */ 6516dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell/*@{*/ 652afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg 6536dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell 6546dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell/** 6556dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * Generate texture names. 6566dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * 6576dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * \param n number of texture names to be generated. 658a212e9670ba31b062c48ed9dd23f28f08fa15b5eBrian Paul * \param textures an array in which will hold the generated texture names. 6596dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * 6606dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * \sa glGenTextures(). 6616dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * 6629e3e3883fa42ffee82e8e8ecbf75c153a2215acbBrian * Calls _mesa_HashFindFreeKeyBlock() to find a block of free texture 6639e3e3883fa42ffee82e8e8ecbf75c153a2215acbBrian * IDs which are stored in \p textures. Corresponding empty texture 6649e3e3883fa42ffee82e8e8ecbf75c153a2215acbBrian * objects are also generated. 6656dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell */ 666c40d1dd62dd9bcbb97128e37a75d991a8d3b2d8cKendall Bennettvoid GLAPIENTRY 667a212e9670ba31b062c48ed9dd23f28f08fa15b5eBrian Paul_mesa_GenTextures( GLsizei n, GLuint *textures ) 668afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg{ 669fbd8f212c3866ec98c1d8c9d3db3ddb7e7c479a5Brian Paul GET_CURRENT_CONTEXT(ctx); 670afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg GLuint first; 671afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg GLint i; 672cab974cf6c2dbfbf5dd5d291e1aae0f8eeb34290Keith Whitwell ASSERT_OUTSIDE_BEGIN_END(ctx); 673afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg 674507d83e4cc0eb2fbc4a5ce3b87ed0b40634df5a8Brian Paul if (n < 0) { 67508836341788a9f9d638d9dc8328510ccd18ddeb5Brian Paul _mesa_error( ctx, GL_INVALID_VALUE, "glGenTextures" ); 676afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg return; 677afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 678afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg 679a212e9670ba31b062c48ed9dd23f28f08fa15b5eBrian Paul if (!textures) 680507d83e4cc0eb2fbc4a5ce3b87ed0b40634df5a8Brian Paul return; 681832179c50e2cf5de9735241e4767aea4d6fc33bfBrian Paul 682832179c50e2cf5de9735241e4767aea4d6fc33bfBrian Paul /* 683832179c50e2cf5de9735241e4767aea4d6fc33bfBrian Paul * This must be atomic (generation and allocation of texture IDs) 684832179c50e2cf5de9735241e4767aea4d6fc33bfBrian Paul */ 6859e3e3883fa42ffee82e8e8ecbf75c153a2215acbBrian _glthread_LOCK_MUTEX(ctx->Shared->Mutex); 686832179c50e2cf5de9735241e4767aea4d6fc33bfBrian Paul 687bb79790662f56eb71aafd3f020cd86ad810f56b2Brian Paul first = _mesa_HashFindFreeKeyBlock(ctx->Shared->TexObjects, n); 688afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg 689afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg /* Allocate new, empty texture objects */ 690a3f137094cd965d27e1b088499dd609b81a91906Brian Paul for (i = 0; i < n; i++) { 691a3f137094cd965d27e1b088499dd609b81a91906Brian Paul struct gl_texture_object *texObj; 692afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg GLuint name = first + i; 6938afe7de8deaf3c9613fd68b344de8c52b02b1879Brian Paul GLenum target = 0; 694a3f137094cd965d27e1b088499dd609b81a91906Brian Paul texObj = (*ctx->Driver.NewTextureObject)( ctx, name, target); 695a3f137094cd965d27e1b088499dd609b81a91906Brian Paul if (!texObj) { 6969e3e3883fa42ffee82e8e8ecbf75c153a2215acbBrian _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex); 697a3f137094cd965d27e1b088499dd609b81a91906Brian Paul _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGenTextures"); 698a3f137094cd965d27e1b088499dd609b81a91906Brian Paul return; 699a3f137094cd965d27e1b088499dd609b81a91906Brian Paul } 700bb7d5f8837a9c7658a18dbaf02d52583e29443e3Brian Paul 701bb7d5f8837a9c7658a18dbaf02d52583e29443e3Brian Paul /* insert into hash table */ 702bb7d5f8837a9c7658a18dbaf02d52583e29443e3Brian Paul _mesa_HashInsert(ctx->Shared->TexObjects, texObj->Name, texObj); 703bb7d5f8837a9c7658a18dbaf02d52583e29443e3Brian Paul 704a212e9670ba31b062c48ed9dd23f28f08fa15b5eBrian Paul textures[i] = name; 705afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 706832179c50e2cf5de9735241e4767aea4d6fc33bfBrian Paul 7079e3e3883fa42ffee82e8e8ecbf75c153a2215acbBrian _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex); 708afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg} 709afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg 710a212e9670ba31b062c48ed9dd23f28f08fa15b5eBrian Paul 7116dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell/** 712519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul * Check if the given texture object is bound to the current draw or 713519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul * read framebuffer. If so, Unbind it. 714519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul */ 715519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paulstatic void 716519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paulunbind_texobj_from_fbo(GLcontext *ctx, struct gl_texture_object *texObj) 717519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul{ 718519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul const GLuint n = (ctx->DrawBuffer == ctx->ReadBuffer) ? 1 : 2; 719519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul GLuint i; 720519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul 721519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul for (i = 0; i < n; i++) { 722519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul struct gl_framebuffer *fb = (i == 0) ? ctx->DrawBuffer : ctx->ReadBuffer; 723519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul if (fb->Name) { 724519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul GLuint j; 725519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul for (j = 0; j < BUFFER_COUNT; j++) { 726519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul if (fb->Attachment[j].Type == GL_TEXTURE && 727519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul fb->Attachment[j].Texture == texObj) { 728519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul _mesa_remove_attachment(ctx, fb->Attachment + j); 729519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul } 730519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul } 731519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul } 732519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul } 733519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul} 734519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul 735519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul 736519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul/** 737519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul * Check if the given texture object is bound to any texture image units and 7389e01b915f1243a3f551cb795b7124bd1e52ca15fBrian * unbind it if so (revert to default textures). 739519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul */ 740519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paulstatic void 741519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paulunbind_texobj_from_texunits(GLcontext *ctx, struct gl_texture_object *texObj) 742519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul{ 743519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul GLuint u; 744519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul 745519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul for (u = 0; u < MAX_TEXTURE_IMAGE_UNITS; u++) { 746519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul struct gl_texture_unit *unit = &ctx->Texture.Unit[u]; 747519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul if (texObj == unit->Current1D) { 7489e01b915f1243a3f551cb795b7124bd1e52ca15fBrian _mesa_reference_texobj(&unit->Current1D, ctx->Shared->Default1D); 749519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul } 750519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul else if (texObj == unit->Current2D) { 7519e01b915f1243a3f551cb795b7124bd1e52ca15fBrian _mesa_reference_texobj(&unit->Current2D, ctx->Shared->Default2D); 752519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul } 753519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul else if (texObj == unit->Current3D) { 7549e01b915f1243a3f551cb795b7124bd1e52ca15fBrian _mesa_reference_texobj(&unit->Current3D, ctx->Shared->Default3D); 755519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul } 756519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul else if (texObj == unit->CurrentCubeMap) { 7579e01b915f1243a3f551cb795b7124bd1e52ca15fBrian _mesa_reference_texobj(&unit->CurrentCubeMap, ctx->Shared->DefaultCubeMap); 758519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul } 759519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul else if (texObj == unit->CurrentRect) { 7609e01b915f1243a3f551cb795b7124bd1e52ca15fBrian _mesa_reference_texobj(&unit->CurrentRect, ctx->Shared->DefaultRect); 76187a980a795b29c5114c07a74aa5d95b6e7a7f971Ian Romanick } 762bb372f1c9bc08e8b0dca983cb4ba36b2f2f039fbIan Romanick else if (texObj == unit->Current1DArray) { 7639e01b915f1243a3f551cb795b7124bd1e52ca15fBrian _mesa_reference_texobj(&unit->Current1DArray, ctx->Shared->Default1DArray); 764bb372f1c9bc08e8b0dca983cb4ba36b2f2f039fbIan Romanick } 765bb372f1c9bc08e8b0dca983cb4ba36b2f2f039fbIan Romanick else if (texObj == unit->Current2DArray) { 7669e01b915f1243a3f551cb795b7124bd1e52ca15fBrian _mesa_reference_texobj(&unit->Current2DArray, ctx->Shared->Default2DArray); 767519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul } 768519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul } 769519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul} 770519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul 771519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul 772519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul/** 7736dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * Delete named textures. 7746dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * 7756dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * \param n number of textures to be deleted. 776a212e9670ba31b062c48ed9dd23f28f08fa15b5eBrian Paul * \param textures array of texture IDs to be deleted. 7776dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * 7786dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * \sa glDeleteTextures(). 7796dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * 780a212e9670ba31b062c48ed9dd23f28f08fa15b5eBrian Paul * If we're about to delete a texture that's currently bound to any 781a212e9670ba31b062c48ed9dd23f28f08fa15b5eBrian Paul * texture unit, unbind the texture first. Decrement the reference 782a212e9670ba31b062c48ed9dd23f28f08fa15b5eBrian Paul * count on the texture object and delete it if it's zero. 783a212e9670ba31b062c48ed9dd23f28f08fa15b5eBrian Paul * Recall that texture objects can be shared among several rendering 784a212e9670ba31b062c48ed9dd23f28f08fa15b5eBrian Paul * contexts. 785afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg */ 786c40d1dd62dd9bcbb97128e37a75d991a8d3b2d8cKendall Bennettvoid GLAPIENTRY 787a212e9670ba31b062c48ed9dd23f28f08fa15b5eBrian Paul_mesa_DeleteTextures( GLsizei n, const GLuint *textures) 788afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg{ 789fbd8f212c3866ec98c1d8c9d3db3ddb7e7c479a5Brian Paul GET_CURRENT_CONTEXT(ctx); 790afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg GLint i; 791cab974cf6c2dbfbf5dd5d291e1aae0f8eeb34290Keith Whitwell ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); /* too complex */ 792afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg 793a212e9670ba31b062c48ed9dd23f28f08fa15b5eBrian Paul if (!textures) 794507d83e4cc0eb2fbc4a5ce3b87ed0b40634df5a8Brian Paul return; 795507d83e4cc0eb2fbc4a5ce3b87ed0b40634df5a8Brian Paul 796a212e9670ba31b062c48ed9dd23f28f08fa15b5eBrian Paul for (i = 0; i < n; i++) { 797a212e9670ba31b062c48ed9dd23f28f08fa15b5eBrian Paul if (textures[i] > 0) { 798ea4fe661d7f3a95d9db17e1475076f1badf8e1a6Brian Paul struct gl_texture_object *delObj 799ea4fe661d7f3a95d9db17e1475076f1badf8e1a6Brian Paul = _mesa_lookup_texture(ctx, textures[i]); 8005ac93f86210eb5c2a8dee74ec19b0ecd54376863Keith Whitwell 801a852378a6289d154364dde440f89a39bbfc33e2dBrian Paul if (delObj) { 8025ac93f86210eb5c2a8dee74ec19b0ecd54376863Keith Whitwell _mesa_lock_texture(ctx, delObj); 803519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul 804519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul /* Check if texture is bound to any framebuffer objects. 805519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul * If so, unbind. 806519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul * See section 4.4.2.3 of GL_EXT_framebuffer_object. 807519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul */ 808519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul unbind_texobj_from_fbo(ctx, delObj); 809519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul 810519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul /* Check if this texture is currently bound to any texture units. 8119e01b915f1243a3f551cb795b7124bd1e52ca15fBrian * If so, unbind it. 81259d6da5365c876ba18a66cd51ed52b0e1d96704eBrian Paul */ 813519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul unbind_texobj_from_texunits(ctx, delObj); 814519b23b21f9cd6945fd17cdb26e7a6f531cdeec0Brian Paul 8159e01b915f1243a3f551cb795b7124bd1e52ca15fBrian _mesa_unlock_texture(ctx, delObj); 8169e01b915f1243a3f551cb795b7124bd1e52ca15fBrian 817a852378a6289d154364dde440f89a39bbfc33e2dBrian Paul ctx->NewState |= _NEW_TEXTURE; 818afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg 819bb7d5f8837a9c7658a18dbaf02d52583e29443e3Brian Paul /* The texture _name_ is now free for re-use. 820bb7d5f8837a9c7658a18dbaf02d52583e29443e3Brian Paul * Remove it from the hash table now. 821bb7d5f8837a9c7658a18dbaf02d52583e29443e3Brian Paul */ 822bb7d5f8837a9c7658a18dbaf02d52583e29443e3Brian Paul _glthread_LOCK_MUTEX(ctx->Shared->Mutex); 823bb7d5f8837a9c7658a18dbaf02d52583e29443e3Brian Paul _mesa_HashRemove(ctx->Shared->TexObjects, delObj->Name); 824bb7d5f8837a9c7658a18dbaf02d52583e29443e3Brian Paul _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex); 825bb7d5f8837a9c7658a18dbaf02d52583e29443e3Brian Paul 826145d762044f795bf9d68f28079cc5e5d3056920eBrian /* Unreference the texobj. If refcount hits zero, the texture 8279e01b915f1243a3f551cb795b7124bd1e52ca15fBrian * will be deleted. 82842fee73aadd7f37a4f18e57c167e98b7a6294508Brian Paul */ 8299e01b915f1243a3f551cb795b7124bd1e52ca15fBrian _mesa_reference_texobj(&delObj, NULL); 830afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 831afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 832afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 833afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg} 834afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg 835f18fc687071a71a6f821a779a83b435f80d55b64Brian Paul 8366dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell/** 8376dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * Bind a named texture to a texturing target. 8386dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * 8396dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * \param target texture target. 8406dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * \param texName texture name. 8416dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * 8426dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * \sa glBindTexture(). 8436dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * 8446dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * Determines the old texture object bound and returns immediately if rebinding 8456dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * the same texture. Get the current texture which is either a default texture 8466dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * if name is null, a named texture from the hash, or a new texture if the 8476dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * given texture name is new. Increments its reference count, binds it, and 8486dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * calls dd_function_table::BindTexture. Decrements the old texture reference 8496dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * count and deletes it if it reaches zero. 850afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg */ 851c40d1dd62dd9bcbb97128e37a75d991a8d3b2d8cKendall Bennettvoid GLAPIENTRY 852fbd8f212c3866ec98c1d8c9d3db3ddb7e7c479a5Brian Paul_mesa_BindTexture( GLenum target, GLuint texName ) 853afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg{ 854fbd8f212c3866ec98c1d8c9d3db3ddb7e7c479a5Brian Paul GET_CURRENT_CONTEXT(ctx); 855be906fe05e1fd6c488ff84b24379d7272a5ac5afBrian Paul const GLuint unit = ctx->Texture.CurrentUnit; 856afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; 8576a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul struct gl_texture_object *newTexObj = NULL, *defaultTexObj = NULL; 858cab974cf6c2dbfbf5dd5d291e1aae0f8eeb34290Keith Whitwell ASSERT_OUTSIDE_BEGIN_END(ctx); 859afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg 860afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) 8614753d60dd070bb08d0116076bcc08025c86ce857Brian Paul _mesa_debug(ctx, "glBindTexture %s %d\n", 862d09a1d8b29ae5841ae39b5c24c3f4693dd750559Brian Paul _mesa_lookup_enum_by_nr(target), (GLint) texName); 863afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg 8646a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul switch (target) { 8656a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul case GL_TEXTURE_1D: 8666a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul defaultTexObj = ctx->Shared->Default1D; 8676a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul break; 8686a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul case GL_TEXTURE_2D: 8696a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul defaultTexObj = ctx->Shared->Default2D; 8706a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul break; 8716a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul case GL_TEXTURE_3D: 8726a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul defaultTexObj = ctx->Shared->Default3D; 8736a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul break; 8746a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul case GL_TEXTURE_CUBE_MAP_ARB: 8756a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul defaultTexObj = ctx->Shared->DefaultCubeMap; 8766a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul break; 8776a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul case GL_TEXTURE_RECTANGLE_NV: 8786a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul defaultTexObj = ctx->Shared->DefaultRect; 8796a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul break; 8806a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul case GL_TEXTURE_1D_ARRAY_EXT: 8816a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul defaultTexObj = ctx->Shared->Default1DArray; 8826a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul break; 8836a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul case GL_TEXTURE_2D_ARRAY_EXT: 8846a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul defaultTexObj = ctx->Shared->Default2DArray; 8856a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul break; 8866a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul default: 8876a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul _mesa_error(ctx, GL_INVALID_ENUM, "glBindTexture(target)"); 8886a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul return; 8896a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul } 8906a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul 891f18fc687071a71a6f821a779a83b435f80d55b64Brian Paul /* 892a852378a6289d154364dde440f89a39bbfc33e2dBrian Paul * Get pointer to new texture object (newTexObj) 893a852378a6289d154364dde440f89a39bbfc33e2dBrian Paul */ 894fc4b44399a07a7a7559f20ceab8a791209b4d875Brian Paul if (texName == 0) { 8956a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul newTexObj = defaultTexObj; 896fc4b44399a07a7a7559f20ceab8a791209b4d875Brian Paul } 897afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg else { 898a852378a6289d154364dde440f89a39bbfc33e2dBrian Paul /* non-default texture object */ 899ea4fe661d7f3a95d9db17e1475076f1badf8e1a6Brian Paul newTexObj = _mesa_lookup_texture(ctx, texName); 900a852378a6289d154364dde440f89a39bbfc33e2dBrian Paul if (newTexObj) { 901a852378a6289d154364dde440f89a39bbfc33e2dBrian Paul /* error checking */ 9028afe7de8deaf3c9613fd68b344de8c52b02b1879Brian Paul if (newTexObj->Target != 0 && newTexObj->Target != target) { 903fb71a484133c53d37e9510b96d14ab04724ead79Brian Paul /* the named texture object's target doesn't match the given target */ 9045a2f32b102ab862fb10ba6b89e0b68a71552c674Brian Paul _mesa_error( ctx, GL_INVALID_OPERATION, 905ee8dfdf4c9f0bbf4f99a6b78dbddc4871fd80a1cBrian Paul "glBindTexture(target mismatch)" ); 906a852378a6289d154364dde440f89a39bbfc33e2dBrian Paul return; 907a852378a6289d154364dde440f89a39bbfc33e2dBrian Paul } 9086a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul if (newTexObj->Target == 0) { 9096a00625fbb7e42a71daa87f982eee8e9077a0679Brian Paul finish_texture_init(ctx, target, newTexObj); 9108afe7de8deaf3c9613fd68b344de8c52b02b1879Brian Paul } 911afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 912a852378a6289d154364dde440f89a39bbfc33e2dBrian Paul else { 913a852378a6289d154364dde440f89a39bbfc33e2dBrian Paul /* if this is a new texture id, allocate a texture object now */ 914a3f137094cd965d27e1b088499dd609b81a91906Brian Paul newTexObj = (*ctx->Driver.NewTextureObject)(ctx, texName, target); 915a852378a6289d154364dde440f89a39bbfc33e2dBrian Paul if (!newTexObj) { 91608836341788a9f9d638d9dc8328510ccd18ddeb5Brian Paul _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBindTexture"); 917a852378a6289d154364dde440f89a39bbfc33e2dBrian Paul return; 918a852378a6289d154364dde440f89a39bbfc33e2dBrian Paul } 919bb7d5f8837a9c7658a18dbaf02d52583e29443e3Brian Paul 920bb7d5f8837a9c7658a18dbaf02d52583e29443e3Brian Paul /* and insert it into hash table */ 921bb7d5f8837a9c7658a18dbaf02d52583e29443e3Brian Paul _glthread_LOCK_MUTEX(ctx->Shared->Mutex); 922bb7d5f8837a9c7658a18dbaf02d52583e29443e3Brian Paul _mesa_HashInsert(ctx->Shared->TexObjects, texName, newTexObj); 923bb7d5f8837a9c7658a18dbaf02d52583e29443e3Brian Paul _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex); 924a852378a6289d154364dde440f89a39bbfc33e2dBrian Paul } 9258afe7de8deaf3c9613fd68b344de8c52b02b1879Brian Paul newTexObj->Target = target; 926afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 927afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg 9289e01b915f1243a3f551cb795b7124bd1e52ca15fBrian assert(valid_texture_object(newTexObj)); 9296e6d4c66bd7fd64162ee453b143d7388bb051444Brian Paul 9309e01b915f1243a3f551cb795b7124bd1e52ca15fBrian /* flush before changing binding */ 931cab974cf6c2dbfbf5dd5d291e1aae0f8eeb34290Keith Whitwell FLUSH_VERTICES(ctx, _NEW_TEXTURE); 932cab974cf6c2dbfbf5dd5d291e1aae0f8eeb34290Keith Whitwell 9339e01b915f1243a3f551cb795b7124bd1e52ca15fBrian /* Do the actual binding. The refcount on the previously bound 9349e01b915f1243a3f551cb795b7124bd1e52ca15fBrian * texture object will be decremented. It'll be deleted if the 9359e01b915f1243a3f551cb795b7124bd1e52ca15fBrian * count hits zero. 9369e01b915f1243a3f551cb795b7124bd1e52ca15fBrian */ 937fc4b44399a07a7a7559f20ceab8a791209b4d875Brian Paul switch (target) { 938fc4b44399a07a7a7559f20ceab8a791209b4d875Brian Paul case GL_TEXTURE_1D: 9399e01b915f1243a3f551cb795b7124bd1e52ca15fBrian _mesa_reference_texobj(&texUnit->Current1D, newTexObj); 940fc4b44399a07a7a7559f20ceab8a791209b4d875Brian Paul break; 941fc4b44399a07a7a7559f20ceab8a791209b4d875Brian Paul case GL_TEXTURE_2D: 9429e01b915f1243a3f551cb795b7124bd1e52ca15fBrian _mesa_reference_texobj(&texUnit->Current2D, newTexObj); 943fc4b44399a07a7a7559f20ceab8a791209b4d875Brian Paul break; 944fc4b44399a07a7a7559f20ceab8a791209b4d875Brian Paul case GL_TEXTURE_3D: 9459e01b915f1243a3f551cb795b7124bd1e52ca15fBrian _mesa_reference_texobj(&texUnit->Current3D, newTexObj); 946fc4b44399a07a7a7559f20ceab8a791209b4d875Brian Paul break; 947fc4b44399a07a7a7559f20ceab8a791209b4d875Brian Paul case GL_TEXTURE_CUBE_MAP_ARB: 9489e01b915f1243a3f551cb795b7124bd1e52ca15fBrian _mesa_reference_texobj(&texUnit->CurrentCubeMap, newTexObj); 949fc4b44399a07a7a7559f20ceab8a791209b4d875Brian Paul break; 9508afe7de8deaf3c9613fd68b344de8c52b02b1879Brian Paul case GL_TEXTURE_RECTANGLE_NV: 9519e01b915f1243a3f551cb795b7124bd1e52ca15fBrian _mesa_reference_texobj(&texUnit->CurrentRect, newTexObj); 9528afe7de8deaf3c9613fd68b344de8c52b02b1879Brian Paul break; 953bb372f1c9bc08e8b0dca983cb4ba36b2f2f039fbIan Romanick case GL_TEXTURE_1D_ARRAY_EXT: 954bb372f1c9bc08e8b0dca983cb4ba36b2f2f039fbIan Romanick texUnit->Current1DArray = newTexObj; 955bb372f1c9bc08e8b0dca983cb4ba36b2f2f039fbIan Romanick break; 956bb372f1c9bc08e8b0dca983cb4ba36b2f2f039fbIan Romanick case GL_TEXTURE_2D_ARRAY_EXT: 957bb372f1c9bc08e8b0dca983cb4ba36b2f2f039fbIan Romanick texUnit->Current2DArray = newTexObj; 958bb372f1c9bc08e8b0dca983cb4ba36b2f2f039fbIan Romanick break; 959fc4b44399a07a7a7559f20ceab8a791209b4d875Brian Paul default: 9601d0ddea92fc933d623caf1b9d3bda47b6f8296f8Brian /* Bad target should be caught above */ 96108836341788a9f9d638d9dc8328510ccd18ddeb5Brian Paul _mesa_problem(ctx, "bad target in BindTexture"); 9628afe7de8deaf3c9613fd68b344de8c52b02b1879Brian Paul return; 963fc4b44399a07a7a7559f20ceab8a791209b4d875Brian Paul } 964afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg 965afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg /* Pass BindTexture call to device driver */ 9665e3bc0c2a2bcdf59949410f94c9b705fc1281ce8Jouk Jansen if (ctx->Driver.BindTexture) 967afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg (*ctx->Driver.BindTexture)( ctx, target, newTexObj ); 968afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg} 969afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg 970f18fc687071a71a6f821a779a83b435f80d55b64Brian Paul 9716dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell/** 9726dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * Set texture priorities. 9736dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * 9746dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * \param n number of textures. 9756dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * \param texName texture names. 9766dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * \param priorities corresponding texture priorities. 9776dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * 9786dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * \sa glPrioritizeTextures(). 9796dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * 9806dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * Looks up each texture in the hash, clamps the corresponding priority between 9816dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * 0.0 and 1.0, and calls dd_function_table::PrioritizeTexture. 982afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg */ 983c40d1dd62dd9bcbb97128e37a75d991a8d3b2d8cKendall Bennettvoid GLAPIENTRY 984fbd8f212c3866ec98c1d8c9d3db3ddb7e7c479a5Brian Paul_mesa_PrioritizeTextures( GLsizei n, const GLuint *texName, 985fbd8f212c3866ec98c1d8c9d3db3ddb7e7c479a5Brian Paul const GLclampf *priorities ) 986afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg{ 987fbd8f212c3866ec98c1d8c9d3db3ddb7e7c479a5Brian Paul GET_CURRENT_CONTEXT(ctx); 988afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg GLint i; 989cab974cf6c2dbfbf5dd5d291e1aae0f8eeb34290Keith Whitwell ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); 990afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg 9916d04725282f32cbd32acbc8b79294a2a056b2158Brian Paul if (n < 0) { 99208836341788a9f9d638d9dc8328510ccd18ddeb5Brian Paul _mesa_error( ctx, GL_INVALID_VALUE, "glPrioritizeTextures" ); 993afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg return; 994afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 995afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg 996507d83e4cc0eb2fbc4a5ce3b87ed0b40634df5a8Brian Paul if (!priorities) 997507d83e4cc0eb2fbc4a5ce3b87ed0b40634df5a8Brian Paul return; 998507d83e4cc0eb2fbc4a5ce3b87ed0b40634df5a8Brian Paul 9996d04725282f32cbd32acbc8b79294a2a056b2158Brian Paul for (i = 0; i < n; i++) { 10006d04725282f32cbd32acbc8b79294a2a056b2158Brian Paul if (texName[i] > 0) { 1001ea4fe661d7f3a95d9db17e1475076f1badf8e1a6Brian Paul struct gl_texture_object *t = _mesa_lookup_texture(ctx, texName[i]); 1002afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg if (t) { 1003afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg t->Priority = CLAMP( priorities[i], 0.0F, 1.0F ); 100469cfdb2fcb6c6d5538aff6533b587a54fb2e74c3Keith Whitwell if (ctx->Driver.PrioritizeTexture) 100569cfdb2fcb6c6d5538aff6533b587a54fb2e74c3Keith Whitwell ctx->Driver.PrioritizeTexture( ctx, t, t->Priority ); 1006afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 1007afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 1008afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 1009a96308c37db0bc0086a017d318bc3504aa5f0b1aKeith Whitwell 1010a96308c37db0bc0086a017d318bc3504aa5f0b1aKeith Whitwell ctx->NewState |= _NEW_TEXTURE; 1011afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg} 1012afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg 10136dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell/** 10146dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * See if textures are loaded in texture memory. 10156dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * 10166dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * \param n number of textures to query. 10176dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * \param texName array with the texture names. 10186dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * \param residences array which will hold the residence status. 10196dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * 10206dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * \return GL_TRUE if all textures are resident and \p residences is left unchanged, 10216dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * 10226dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * \sa glAreTexturesResident(). 10236dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * 10246dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * Looks up each texture in the hash and calls 10256dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * dd_function_table::IsTextureResident. 1026afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg */ 1027c40d1dd62dd9bcbb97128e37a75d991a8d3b2d8cKendall BennettGLboolean GLAPIENTRY 1028bd0f7f42d6413577b78c342ab2f73b8d05c81d2fBrian Paul_mesa_AreTexturesResident(GLsizei n, const GLuint *texName, 1029bd0f7f42d6413577b78c342ab2f73b8d05c81d2fBrian Paul GLboolean *residences) 1030afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg{ 1031fbd8f212c3866ec98c1d8c9d3db3ddb7e7c479a5Brian Paul GET_CURRENT_CONTEXT(ctx); 1032bd0f7f42d6413577b78c342ab2f73b8d05c81d2fBrian Paul GLboolean allResident = GL_TRUE; 103324e81fda4d3c55003294a818de7c0faf7ae1552dBrian Paul GLint i, j; 1034cab974cf6c2dbfbf5dd5d291e1aae0f8eeb34290Keith Whitwell ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE); 1035afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg 1036bd0f7f42d6413577b78c342ab2f73b8d05c81d2fBrian Paul if (n < 0) { 103708836341788a9f9d638d9dc8328510ccd18ddeb5Brian Paul _mesa_error(ctx, GL_INVALID_VALUE, "glAreTexturesResident(n)"); 1038afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg return GL_FALSE; 1039afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 1040afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg 1041507d83e4cc0eb2fbc4a5ce3b87ed0b40634df5a8Brian Paul if (!texName || !residences) 1042507d83e4cc0eb2fbc4a5ce3b87ed0b40634df5a8Brian Paul return GL_FALSE; 1043507d83e4cc0eb2fbc4a5ce3b87ed0b40634df5a8Brian Paul 1044bd0f7f42d6413577b78c342ab2f73b8d05c81d2fBrian Paul for (i = 0; i < n; i++) { 1045afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg struct gl_texture_object *t; 1046bd0f7f42d6413577b78c342ab2f73b8d05c81d2fBrian Paul if (texName[i] == 0) { 104724e81fda4d3c55003294a818de7c0faf7ae1552dBrian Paul _mesa_error(ctx, GL_INVALID_VALUE, "glAreTexturesResident"); 1048afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg return GL_FALSE; 1049afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 1050ea4fe661d7f3a95d9db17e1475076f1badf8e1a6Brian Paul t = _mesa_lookup_texture(ctx, texName[i]); 105124e81fda4d3c55003294a818de7c0faf7ae1552dBrian Paul if (!t) { 105224e81fda4d3c55003294a818de7c0faf7ae1552dBrian Paul _mesa_error(ctx, GL_INVALID_VALUE, "glAreTexturesResident"); 105324e81fda4d3c55003294a818de7c0faf7ae1552dBrian Paul return GL_FALSE; 105424e81fda4d3c55003294a818de7c0faf7ae1552dBrian Paul } 105524e81fda4d3c55003294a818de7c0faf7ae1552dBrian Paul if (!ctx->Driver.IsTextureResident || 105624e81fda4d3c55003294a818de7c0faf7ae1552dBrian Paul ctx->Driver.IsTextureResident(ctx, t)) { 105724e81fda4d3c55003294a818de7c0faf7ae1552dBrian Paul /* The texture is resident */ 105824e81fda4d3c55003294a818de7c0faf7ae1552dBrian Paul if (!allResident) 105969cfdb2fcb6c6d5538aff6533b587a54fb2e74c3Keith Whitwell residences[i] = GL_TRUE; 1060afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 1061afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg else { 106224e81fda4d3c55003294a818de7c0faf7ae1552dBrian Paul /* The texture is not resident */ 106324e81fda4d3c55003294a818de7c0faf7ae1552dBrian Paul if (allResident) { 106424e81fda4d3c55003294a818de7c0faf7ae1552dBrian Paul allResident = GL_FALSE; 106524e81fda4d3c55003294a818de7c0faf7ae1552dBrian Paul for (j = 0; j < i; j++) 106624e81fda4d3c55003294a818de7c0faf7ae1552dBrian Paul residences[j] = GL_TRUE; 106724e81fda4d3c55003294a818de7c0faf7ae1552dBrian Paul } 106824e81fda4d3c55003294a818de7c0faf7ae1552dBrian Paul residences[i] = GL_FALSE; 1069afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 1070afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg } 107124e81fda4d3c55003294a818de7c0faf7ae1552dBrian Paul 1072bd0f7f42d6413577b78c342ab2f73b8d05c81d2fBrian Paul return allResident; 1073afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg} 1074afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg 10756dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell/** 10766dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * See if a name corresponds to a texture. 10776dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * 10786dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * \param texture texture name. 10796dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * 10806dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * \return GL_TRUE if texture name corresponds to a texture, or GL_FALSE 10816dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * otherwise. 10826dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * 10836dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * \sa glIsTexture(). 10846dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * 10856dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell * Calls _mesa_HashLookup(). 1086afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg */ 1087c40d1dd62dd9bcbb97128e37a75d991a8d3b2d8cKendall BennettGLboolean GLAPIENTRY 1088fbd8f212c3866ec98c1d8c9d3db3ddb7e7c479a5Brian Paul_mesa_IsTexture( GLuint texture ) 1089afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg{ 10903ec0631e955cb79cf6009e391cd9b4f6a263b989Brian Paul struct gl_texture_object *t; 1091fbd8f212c3866ec98c1d8c9d3db3ddb7e7c479a5Brian Paul GET_CURRENT_CONTEXT(ctx); 1092cab974cf6c2dbfbf5dd5d291e1aae0f8eeb34290Keith Whitwell ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE); 10933ec0631e955cb79cf6009e391cd9b4f6a263b989Brian Paul 1094b756990b8407d67a15cf7f63683d50dd7f9e3a4eDaniel Borca if (!texture) 10953ec0631e955cb79cf6009e391cd9b4f6a263b989Brian Paul return GL_FALSE; 10963ec0631e955cb79cf6009e391cd9b4f6a263b989Brian Paul 1097ea4fe661d7f3a95d9db17e1475076f1badf8e1a6Brian Paul t = _mesa_lookup_texture(ctx, texture); 10983ec0631e955cb79cf6009e391cd9b4f6a263b989Brian Paul 10993ec0631e955cb79cf6009e391cd9b4f6a263b989Brian Paul /* IsTexture is true only after object has been bound once. */ 11003ec0631e955cb79cf6009e391cd9b4f6a263b989Brian Paul return t && t->Target; 1101afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1cjtg} 11026dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell 1103a01ee8ff0bdc9b80907f2fe48ebf1618ce2ded92Brian 1104a01ee8ff0bdc9b80907f2fe48ebf1618ce2ded92Brian/** 1105a01ee8ff0bdc9b80907f2fe48ebf1618ce2ded92Brian * Simplest implementation of texture locking: Grab the a new mutex in 11065ac93f86210eb5c2a8dee74ec19b0ecd54376863Keith Whitwell * the shared context. Examine the shared context state timestamp and 11075ac93f86210eb5c2a8dee74ec19b0ecd54376863Keith Whitwell * if there has been a change, set the appropriate bits in 11085ac93f86210eb5c2a8dee74ec19b0ecd54376863Keith Whitwell * ctx->NewState. 11095ac93f86210eb5c2a8dee74ec19b0ecd54376863Keith Whitwell * 1110a01ee8ff0bdc9b80907f2fe48ebf1618ce2ded92Brian * This is used to deal with synchronizing things when a texture object 1111a01ee8ff0bdc9b80907f2fe48ebf1618ce2ded92Brian * is used/modified by different contexts (or threads) which are sharing 1112a01ee8ff0bdc9b80907f2fe48ebf1618ce2ded92Brian * the texture. 1113a01ee8ff0bdc9b80907f2fe48ebf1618ce2ded92Brian * 1114a01ee8ff0bdc9b80907f2fe48ebf1618ce2ded92Brian * See also _mesa_lock/unlock_texture() in teximage.h 11155ac93f86210eb5c2a8dee74ec19b0ecd54376863Keith Whitwell */ 1116a01ee8ff0bdc9b80907f2fe48ebf1618ce2ded92Brianvoid 1117a01ee8ff0bdc9b80907f2fe48ebf1618ce2ded92Brian_mesa_lock_context_textures( GLcontext *ctx ) 11185ac93f86210eb5c2a8dee74ec19b0ecd54376863Keith Whitwell{ 11195ac93f86210eb5c2a8dee74ec19b0ecd54376863Keith Whitwell _glthread_LOCK_MUTEX(ctx->Shared->TexMutex); 11205ac93f86210eb5c2a8dee74ec19b0ecd54376863Keith Whitwell 11215ac93f86210eb5c2a8dee74ec19b0ecd54376863Keith Whitwell if (ctx->Shared->TextureStateStamp != ctx->TextureStateTimestamp) { 11225ac93f86210eb5c2a8dee74ec19b0ecd54376863Keith Whitwell ctx->NewState |= _NEW_TEXTURE; 11235ac93f86210eb5c2a8dee74ec19b0ecd54376863Keith Whitwell ctx->TextureStateTimestamp = ctx->Shared->TextureStateStamp; 11245ac93f86210eb5c2a8dee74ec19b0ecd54376863Keith Whitwell } 11255ac93f86210eb5c2a8dee74ec19b0ecd54376863Keith Whitwell} 11265ac93f86210eb5c2a8dee74ec19b0ecd54376863Keith Whitwell 11275ac93f86210eb5c2a8dee74ec19b0ecd54376863Keith Whitwell 1128a01ee8ff0bdc9b80907f2fe48ebf1618ce2ded92Brianvoid 1129a01ee8ff0bdc9b80907f2fe48ebf1618ce2ded92Brian_mesa_unlock_context_textures( GLcontext *ctx ) 11305ac93f86210eb5c2a8dee74ec19b0ecd54376863Keith Whitwell{ 11315ac93f86210eb5c2a8dee74ec19b0ecd54376863Keith Whitwell assert(ctx->Shared->TextureStateStamp == ctx->TextureStateTimestamp); 11325ac93f86210eb5c2a8dee74ec19b0ecd54376863Keith Whitwell _glthread_UNLOCK_MUTEX(ctx->Shared->TexMutex); 11335ac93f86210eb5c2a8dee74ec19b0ecd54376863Keith Whitwell} 11345ac93f86210eb5c2a8dee74ec19b0ecd54376863Keith Whitwell 11356dc85575000127630489b407c50a4b3ea87c9acbKeith Whitwell/*@}*/ 11365ac93f86210eb5c2a8dee74ec19b0ecd54376863Keith Whitwell 11375ac93f86210eb5c2a8dee74ec19b0ecd54376863Keith Whitwell 1138