diff options
Diffstat (limited to 'src/mesa/main/texobj.c')
-rw-r--r-- | src/mesa/main/texobj.c | 47 |
1 files changed, 19 insertions, 28 deletions
diff --git a/src/mesa/main/texobj.c b/src/mesa/main/texobj.c index bd447ac068..0d2946e95a 100644 --- a/src/mesa/main/texobj.c +++ b/src/mesa/main/texobj.c @@ -42,10 +42,6 @@ #include "mtypes.h" -#ifdef __VMS -#define _mesa_sprintf sprintf -#endif - /**********************************************************************/ /** \name Internal functions */ /*@{*/ @@ -110,7 +106,6 @@ _mesa_initialize_texture_object( struct gl_texture_object *obj, _mesa_bzero(obj, sizeof(*obj)); /* init the non-zero fields */ - _glthread_INIT_MUTEX(obj->Mutex); obj->RefCount = 1; obj->Name = name; obj->Target = target; @@ -140,13 +135,13 @@ _mesa_initialize_texture_object( struct gl_texture_object *obj, obj->CompareFunc = GL_LEQUAL; /* ARB_shadow */ obj->DepthMode = GL_LUMINANCE; /* ARB_depth_texture */ obj->ShadowAmbient = 0.0F; /* ARB/SGIX_shadow_ambient */ - _mesa_init_colortable(&obj->Palette); } /** * Deallocate a texture object struct. It should have already been * removed from the texture object pool. + * Called via ctx->Driver.DeleteTexture() if not overriden by a driver. * * \param shared the shared GL state to which the object belongs. * \param texOjb the texture object to delete. @@ -169,9 +164,6 @@ _mesa_delete_texture_object( GLcontext *ctx, struct gl_texture_object *texObj ) } } - /* destroy the mutex -- it may have allocated memory (eg on bsd) */ - _glthread_DESTROY_MUTEX(texObj->Mutex); - /* free this object */ _mesa_free(texObj); } @@ -532,13 +524,6 @@ _mesa_test_texobj_completeness( const GLcontext *ctx, /** \name API functions */ /*@{*/ -/** - * Texture name generation lock. - * - * Used by _mesa_GenTextures() to guarantee that the generation and allocation - * of texture IDs is atomic. - */ -_glthread_DECLARE_STATIC_MUTEX(GenTexturesLock); /** * Generate texture names. @@ -548,9 +533,9 @@ _glthread_DECLARE_STATIC_MUTEX(GenTexturesLock); * * \sa glGenTextures(). * - * While holding the GenTexturesLock lock, calls _mesa_HashFindFreeKeyBlock() - * to find a block of free texture IDs which are stored in \p textures. - * Corresponding empty texture objects are also generated. + * Calls _mesa_HashFindFreeKeyBlock() to find a block of free texture + * IDs which are stored in \p textures. Corresponding empty texture + * objects are also generated. */ void GLAPIENTRY _mesa_GenTextures( GLsizei n, GLuint *textures ) @@ -571,7 +556,7 @@ _mesa_GenTextures( GLsizei n, GLuint *textures ) /* * This must be atomic (generation and allocation of texture IDs) */ - _glthread_LOCK_MUTEX(GenTexturesLock); + _glthread_LOCK_MUTEX(ctx->Shared->Mutex); first = _mesa_HashFindFreeKeyBlock(ctx->Shared->TexObjects, n); @@ -582,20 +567,18 @@ _mesa_GenTextures( GLsizei n, GLuint *textures ) GLenum target = 0; texObj = (*ctx->Driver.NewTextureObject)( ctx, name, target); if (!texObj) { - _glthread_UNLOCK_MUTEX(GenTexturesLock); + _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex); _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGenTextures"); return; } /* insert into hash table */ - _glthread_LOCK_MUTEX(ctx->Shared->Mutex); _mesa_HashInsert(ctx->Shared->TexObjects, texObj->Name, texObj); - _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex); textures[i] = name; } - _glthread_UNLOCK_MUTEX(GenTexturesLock); + _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex); } @@ -1097,14 +1080,21 @@ _mesa_IsTexture( GLuint texture ) return t && t->Target; } -/* Simplest implementation of texture locking: Grab the a new mutex in + +/** + * Simplest implementation of texture locking: Grab the a new mutex in * the shared context. Examine the shared context state timestamp and * if there has been a change, set the appropriate bits in * ctx->NewState. * - * See also _mesa_lock/unlock_texture in texobj.h + * This is used to deal with synchronizing things when a texture object + * is used/modified by different contexts (or threads) which are sharing + * the texture. + * + * See also _mesa_lock/unlock_texture() in teximage.h */ -void _mesa_lock_context_textures( GLcontext *ctx ) +void +_mesa_lock_context_textures( GLcontext *ctx ) { _glthread_LOCK_MUTEX(ctx->Shared->TexMutex); @@ -1115,7 +1105,8 @@ void _mesa_lock_context_textures( GLcontext *ctx ) } -void _mesa_unlock_context_textures( GLcontext *ctx ) +void +_mesa_unlock_context_textures( GLcontext *ctx ) { assert(ctx->Shared->TextureStateStamp == ctx->TextureStateTimestamp); _glthread_UNLOCK_MUTEX(ctx->Shared->TexMutex); |