/*
* Mesa 3-D graphics library
- * Version: 5.1
+ * Version: 6.3
*
- * Copyright (C) 1999-2003 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2005 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* of GenTextures()
*
* \return pointer to new texture object.
- *
- * Allocate and initialize a gl_texture_object structure, and insert in the
- * shared state texture list while holding its mutex.
- * If <tt>name > 0</tt> then also insert the new texture object into the hash
- * table.
- *
*/
struct gl_texture_object *
_mesa_new_texture_object( GLcontext *ctx, GLuint name, GLenum target )
{
struct gl_texture_object *obj;
- obj = CALLOC_STRUCT(gl_texture_object);
+ (void) ctx;
+ obj = MALLOC_STRUCT(gl_texture_object);
_mesa_initialize_texture_object(obj, name, target);
return obj;
}
/**
- * Initialize a texture object to default values.
+ * Initialize a new texture object to default values.
* \param obj the texture object
* \param name the texture name
* \param target the texture target
target == GL_TEXTURE_CUBE_MAP_ARB ||
target == GL_TEXTURE_RECTANGLE_NV);
+ _mesa_bzero(obj, sizeof(*obj));
/* init the non-zero fields */
_glthread_INIT_MUTEX(obj->Mutex);
obj->RefCount = 1;
obj->MagFilter = GL_LINEAR;
obj->MinLod = -1000.0;
obj->MaxLod = 1000.0;
+ obj->LodBias = 0.0;
obj->BaseLevel = 0;
obj->MaxLevel = 1000;
obj->MaxAnisotropy = 1.0;
*
* \param shared the shared GL state to which the object belongs.
* \param texOjb the texture object to delete.
- *
- * Unlink the texture object from the shared state texture linked list while
- * holding its lock. If the texture is a name number it's also removed from the
- * hash table. Finally frees the texture images and the object itself.
*/
void
_mesa_delete_texture_object( GLcontext *ctx, struct gl_texture_object *texObj )
{
- GLuint i;
+ GLuint i, face;
(void) ctx;
- assert(texObj);
-
_mesa_free_colortable_data(&texObj->Palette);
/* free the texture images */
- for (i = 0; i < MAX_TEXTURE_LEVELS; i++) {
- if (texObj->Image[i]) {
- _mesa_delete_texture_image( texObj->Image[i] );
+ for (face = 0; face < 6; face++) {
+ for (i = 0; i < MAX_TEXTURE_LEVELS; i++) {
+ if (texObj->Image[face][i]) {
+ _mesa_delete_texture_image( ctx, texObj->Image[face][i] );
+ }
}
}
}
-/**
- * Add the given texture object to the texture object pool.
- */
-void
-_mesa_save_texture_object( GLcontext *ctx, struct gl_texture_object *texObj )
-{
- /* insert into linked list */
- _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
- texObj->Next = ctx->Shared->TexObjectList;
- ctx->Shared->TexObjectList = texObj;
- _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
-
- if (texObj->Name > 0) {
- /* insert into hash table */
- _mesa_HashInsert(ctx->Shared->TexObjects, texObj->Name, texObj);
- }
-}
-
-
-/**
- * Remove the given texture object from the texture object pool.
- * Do not deallocate the texture object though.
- */
-void
-_mesa_remove_texture_object( GLcontext *ctx, struct gl_texture_object *texObj )
-{
- struct gl_texture_object *tprev, *tcurr;
-
- _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
-
- /* unlink from the linked list */
- tprev = NULL;
- tcurr = ctx->Shared->TexObjectList;
- while (tcurr) {
- if (tcurr == texObj) {
- if (tprev) {
- tprev->Next = texObj->Next;
- }
- else {
- ctx->Shared->TexObjectList = texObj->Next;
- }
- break;
- }
- tprev = tcurr;
- tcurr = tcurr->Next;
- }
-
- _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
- if (texObj->Name > 0) {
- /* remove from hash table */
- _mesa_HashRemove(ctx->Shared->TexObjects, texObj->Name);
- }
-}
/**
* Copy texture object state from one texture object to another.
+ * Use for glPush/PopAttrib.
*
* \param dest destination texture object.
* \param src source texture object.
dest->MagFilter = src->MagFilter;
dest->MinLod = src->MinLod;
dest->MaxLod = src->MaxLod;
+ dest->LodBias = src->LodBias;
dest->BaseLevel = src->BaseLevel;
dest->MaxLevel = src->MaxLevel;
dest->MaxAnisotropy = src->MaxAnisotropy;
t->_IsPowerOfTwo = GL_TRUE; /* may be set FALSE below */
/* Always need the base level image */
- if (!t->Image[baseLevel]) {
- incomplete(t, "Image[baseLevel] == NULL");
+ if (!t->Image[0][baseLevel]) {
+ char s[100];
+ sprintf(s, "obj %p (%d) Image[baseLevel=%d] == NULL",
+ (void *) t, t->Name, baseLevel);
+ incomplete(t, s);
+ t->Complete = GL_FALSE;
+ return;
+ }
+
+ /* Check width/height/depth for zero */
+ if (t->Image[0][baseLevel]->Width == 0 ||
+ t->Image[0][baseLevel]->Height == 0 ||
+ t->Image[0][baseLevel]->Depth == 0) {
+ incomplete(t, "texture width = 0");
t->Complete = GL_FALSE;
return;
}
/* Compute _MaxLevel */
if (t->Target == GL_TEXTURE_1D) {
- maxLog2 = t->Image[baseLevel]->WidthLog2;
+ maxLog2 = t->Image[0][baseLevel]->WidthLog2;
maxLevels = ctx->Const.MaxTextureLevels;
}
else if (t->Target == GL_TEXTURE_2D) {
- maxLog2 = MAX2(t->Image[baseLevel]->WidthLog2,
- t->Image[baseLevel]->HeightLog2);
+ maxLog2 = MAX2(t->Image[0][baseLevel]->WidthLog2,
+ t->Image[0][baseLevel]->HeightLog2);
maxLevels = ctx->Const.MaxTextureLevels;
}
else if (t->Target == GL_TEXTURE_3D) {
- GLint max = MAX2(t->Image[baseLevel]->WidthLog2,
- t->Image[baseLevel]->HeightLog2);
- maxLog2 = MAX2(max, (GLint)(t->Image[baseLevel]->DepthLog2));
+ GLint max = MAX2(t->Image[0][baseLevel]->WidthLog2,
+ t->Image[0][baseLevel]->HeightLog2);
+ maxLog2 = MAX2(max, (GLint)(t->Image[0][baseLevel]->DepthLog2));
maxLevels = ctx->Const.Max3DTextureLevels;
}
else if (t->Target == GL_TEXTURE_CUBE_MAP_ARB) {
- maxLog2 = MAX2(t->Image[baseLevel]->WidthLog2,
- t->Image[baseLevel]->HeightLog2);
+ maxLog2 = MAX2(t->Image[0][baseLevel]->WidthLog2,
+ t->Image[0][baseLevel]->HeightLog2);
maxLevels = ctx->Const.MaxCubeTextureLevels;
}
else if (t->Target == GL_TEXTURE_RECTANGLE_NV) {
if (t->Target == GL_TEXTURE_CUBE_MAP_ARB) {
/* make sure that all six cube map level 0 images are the same size */
- const GLuint w = t->Image[baseLevel]->Width2;
- const GLuint h = t->Image[baseLevel]->Height2;
- if (!t->NegX[baseLevel] ||
- t->NegX[baseLevel]->Width2 != w ||
- t->NegX[baseLevel]->Height2 != h ||
- !t->PosY[baseLevel] ||
- t->PosY[baseLevel]->Width2 != w ||
- t->PosY[baseLevel]->Height2 != h ||
- !t->NegY[baseLevel] ||
- t->NegY[baseLevel]->Width2 != w ||
- t->NegY[baseLevel]->Height2 != h ||
- !t->PosZ[baseLevel] ||
- t->PosZ[baseLevel]->Width2 != w ||
- t->PosZ[baseLevel]->Height2 != h ||
- !t->NegZ[baseLevel] ||
- t->NegZ[baseLevel]->Width2 != w ||
- t->NegZ[baseLevel]->Height2 != h) {
- t->Complete = GL_FALSE;
- incomplete(t, "Non-quare cubemap image");
- return;
+ const GLuint w = t->Image[0][baseLevel]->Width2;
+ const GLuint h = t->Image[0][baseLevel]->Height2;
+ GLuint face;
+ for (face = 1; face < 6; face++) {
+ if (t->Image[face][baseLevel] == NULL ||
+ t->Image[face][baseLevel]->Width2 != w ||
+ t->Image[face][baseLevel]->Height2 != h) {
+ t->Complete = GL_FALSE;
+ incomplete(t, "Non-quare cubemap image");
+ return;
+ }
}
}
/* check for non power of two */
- if (!t->Image[baseLevel]->_IsPowerOfTwo) {
+ if (!t->Image[0][baseLevel]->_IsPowerOfTwo) {
t->_IsPowerOfTwo = GL_FALSE;
}
/* Test dimension-independent attributes */
for (i = minLevel; i <= maxLevel; i++) {
- if (t->Image[i]) {
- if (t->Image[i]->TexFormat != t->Image[baseLevel]->TexFormat) {
+ if (t->Image[0][i]) {
+ if (t->Image[0][i]->TexFormat != t->Image[0][baseLevel]->TexFormat) {
t->Complete = GL_FALSE;
incomplete(t, "Format[i] != Format[baseLevel]");
return;
}
- if (t->Image[i]->Border != t->Image[baseLevel]->Border) {
+ if (t->Image[0][i]->Border != t->Image[0][baseLevel]->Border) {
t->Complete = GL_FALSE;
incomplete(t, "Border[i] != Border[baseLevel]");
return;
/* Test things which depend on number of texture image dimensions */
if (t->Target == GL_TEXTURE_1D) {
/* Test 1-D mipmaps */
- GLuint width = t->Image[baseLevel]->Width2;
+ GLuint width = t->Image[0][baseLevel]->Width2;
for (i = baseLevel + 1; i < maxLevels; i++) {
if (width > 1) {
width /= 2;
}
if (i >= minLevel && i <= maxLevel) {
- if (!t->Image[i]) {
+ if (!t->Image[0][i]) {
t->Complete = GL_FALSE;
- incomplete(t, "1D Image[i] == NULL");
+ incomplete(t, "1D Image[0][i] == NULL");
return;
}
- if (t->Image[i]->Width2 != width ) {
+ if (t->Image[0][i]->Width2 != width ) {
t->Complete = GL_FALSE;
- incomplete(t, "1D Image[i] bad width");
+ incomplete(t, "1D Image[0][i] bad width");
return;
}
}
}
else if (t->Target == GL_TEXTURE_2D) {
/* Test 2-D mipmaps */
- GLuint width = t->Image[baseLevel]->Width2;
- GLuint height = t->Image[baseLevel]->Height2;
+ GLuint width = t->Image[0][baseLevel]->Width2;
+ GLuint height = t->Image[0][baseLevel]->Height2;
for (i = baseLevel + 1; i < maxLevels; i++) {
if (width > 1) {
width /= 2;
height /= 2;
}
if (i >= minLevel && i <= maxLevel) {
- if (!t->Image[i]) {
+ if (!t->Image[0][i]) {
t->Complete = GL_FALSE;
- incomplete(t, "2D Image[i] == NULL");
+ incomplete(t, "2D Image[0][i] == NULL");
return;
}
- if (t->Image[i]->Width2 != width) {
+ if (t->Image[0][i]->Width2 != width) {
t->Complete = GL_FALSE;
- incomplete(t, "2D Image[i] bad width");
+ incomplete(t, "2D Image[0][i] bad width");
return;
}
- if (t->Image[i]->Height2 != height) {
+ if (t->Image[0][i]->Height2 != height) {
t->Complete = GL_FALSE;
- incomplete(t, "2D Image[i] bad height");
+ incomplete(t, "2D Image[0][i] bad height");
return;
}
if (width==1 && height==1) {
}
else if (t->Target == GL_TEXTURE_3D) {
/* Test 3-D mipmaps */
- GLuint width = t->Image[baseLevel]->Width2;
- GLuint height = t->Image[baseLevel]->Height2;
- GLuint depth = t->Image[baseLevel]->Depth2;
+ GLuint width = t->Image[0][baseLevel]->Width2;
+ GLuint height = t->Image[0][baseLevel]->Height2;
+ GLuint depth = t->Image[0][baseLevel]->Depth2;
for (i = baseLevel + 1; i < maxLevels; i++) {
if (width > 1) {
width /= 2;
depth /= 2;
}
if (i >= minLevel && i <= maxLevel) {
- if (!t->Image[i]) {
- incomplete(t, "3D Image[i] == NULL");
+ if (!t->Image[0][i]) {
+ incomplete(t, "3D Image[0][i] == NULL");
t->Complete = GL_FALSE;
return;
}
- if (t->Image[i]->Format == GL_DEPTH_COMPONENT) {
+ if (t->Image[0][i]->Format == GL_DEPTH_COMPONENT) {
t->Complete = GL_FALSE;
incomplete(t, "GL_DEPTH_COMPONENT only works with 1/2D tex");
return;
}
- if (t->Image[i]->Width2 != width) {
+ if (t->Image[0][i]->Width2 != width) {
t->Complete = GL_FALSE;
- incomplete(t, "3D Image[i] bad width");
+ incomplete(t, "3D Image[0][i] bad width");
return;
}
- if (t->Image[i]->Height2 != height) {
+ if (t->Image[0][i]->Height2 != height) {
t->Complete = GL_FALSE;
- incomplete(t, "3D Image[i] bad height");
+ incomplete(t, "3D Image[0][i] bad height");
return;
}
- if (t->Image[i]->Depth2 != depth) {
+ if (t->Image[0][i]->Depth2 != depth) {
t->Complete = GL_FALSE;
- incomplete(t, "3D Image[i] bad depth");
+ incomplete(t, "3D Image[0][i] bad depth");
return;
}
}
}
else if (t->Target == GL_TEXTURE_CUBE_MAP_ARB) {
/* make sure 6 cube faces are consistant */
- GLuint width = t->Image[baseLevel]->Width2;
- GLuint height = t->Image[baseLevel]->Height2;
+ GLuint width = t->Image[0][baseLevel]->Width2;
+ GLuint height = t->Image[0][baseLevel]->Height2;
for (i = baseLevel + 1; i < maxLevels; i++) {
if (width > 1) {
width /= 2;
height /= 2;
}
if (i >= minLevel && i <= maxLevel) {
- /* check that we have images defined */
- if (!t->Image[i] || !t->NegX[i] ||
- !t->PosY[i] || !t->NegY[i] ||
- !t->PosZ[i] || !t->NegZ[i]) {
- t->Complete = GL_FALSE;
- incomplete(t, "CubeMap Image[i] == NULL");
- return;
- }
- /* Don't support GL_DEPTH_COMPONENT for cube maps */
- if (t->Image[i]->Format == GL_DEPTH_COMPONENT) {
- t->Complete = GL_FALSE;
- incomplete(t, "GL_DEPTH_COMPONENT only works with 1/2D tex");
- return;
- }
- /* check that all six images have same size */
- if (t->NegX[i]->Width2!=width || t->NegX[i]->Height2!=height ||
- t->PosY[i]->Width2!=width || t->PosY[i]->Height2!=height ||
- t->NegY[i]->Width2!=width || t->NegY[i]->Height2!=height ||
- t->PosZ[i]->Width2!=width || t->PosZ[i]->Height2!=height ||
- t->NegZ[i]->Width2!=width || t->NegZ[i]->Height2!=height) {
- t->Complete = GL_FALSE;
- incomplete(t, "CubeMap Image[i] bad size");
- return;
- }
- }
- if (width == 1 && height == 1) {
- return; /* found smallest needed mipmap, all done! */
+ GLuint face;
+ for (face = 0; face < 6; face++) {
+ /* check that we have images defined */
+ if (!t->Image[face][i]) {
+ t->Complete = GL_FALSE;
+ incomplete(t, "CubeMap Image[n][i] == NULL");
+ return;
+ }
+ /* Don't support GL_DEPTH_COMPONENT for cube maps */
+ if (t->Image[face][i]->Format == GL_DEPTH_COMPONENT) {
+ t->Complete = GL_FALSE;
+ incomplete(t, "GL_DEPTH_COMPONENT only works with 1/2D tex");
+ return;
+ }
+ /* check that all six images have same size */
+ if (t->Image[face][i]->Width2!=width ||
+ t->Image[face][i]->Height2!=height) {
+ t->Complete = GL_FALSE;
+ incomplete(t, "CubeMap Image[n][i] bad size");
+ return;
+ }
+ }
+ }
+ if (width == 1 && height == 1) {
+ return; /* found smallest needed mipmap, all done! */
}
}
}
else if (t->Target == GL_TEXTURE_RECTANGLE_NV) {
/* XXX special checking? */
-
}
else {
/* Target = ??? */
* Generate texture names.
*
* \param n number of texture names to be generated.
- * \param texName an array in which will hold the generated texture names.
+ * \param textures an array in which will hold the generated texture names.
*
* \sa glGenTextures().
*
* While holding the GenTexturesLock lock, calls _mesa_HashFindFreeKeyBlock()
- * to find a block of free texture IDs which are stored in \p texName.
+ * to find a block of free texture IDs which are stored in \p textures.
* Corresponding empty texture objects are also generated.
*/
-void
-_mesa_GenTextures( GLsizei n, GLuint *texName )
+void GLAPIENTRY
+_mesa_GenTextures( GLsizei n, GLuint *textures )
{
GET_CURRENT_CONTEXT(ctx);
GLuint first;
return;
}
- if (!texName)
+ if (!textures)
return;
/*
GLenum target = 0;
texObj = (*ctx->Driver.NewTextureObject)( ctx, name, target);
if (!texObj) {
+ _glthread_UNLOCK_MUTEX(GenTexturesLock);
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glGenTextures");
return;
}
- _mesa_save_texture_object(ctx, texObj);
- texName[i] = name;
+
+ /* 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);
}
+
/**
* Delete named textures.
*
* \param n number of textures to be deleted.
- * \param texName array of textures names to be deleted.
+ * \param textures array of texture IDs to be deleted.
*
* \sa glDeleteTextures().
*
- * For each texture checks if its bound to any of the texture units, unbinding
- * it and decrementing the reference count if so. If the texture reference
- * count is zero, delete its object.
+ * If we're about to delete a texture that's currently bound to any
+ * texture unit, unbind the texture first. Decrement the reference
+ * count on the texture object and delete it if it's zero.
+ * Recall that texture objects can be shared among several rendering
+ * contexts.
*/
-void
-_mesa_DeleteTextures( GLsizei n, const GLuint *texName)
+void GLAPIENTRY
+_mesa_DeleteTextures( GLsizei n, const GLuint *textures)
{
GET_CURRENT_CONTEXT(ctx);
GLint i;
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); /* too complex */
- if (!texName)
+ if (!textures)
return;
- for (i=0;i<n;i++) {
- if (texName[i] > 0) {
+ for (i = 0; i < n; i++) {
+ if (textures[i] > 0) {
struct gl_texture_object *delObj = (struct gl_texture_object *)
- _mesa_HashLookup(ctx->Shared->TexObjects, texName[i]);
+ _mesa_HashLookup(ctx->Shared->TexObjects, textures[i]);
if (delObj) {
/* First check if this texture is currently bound.
* If so, unbind it and decrement the reference count.
+ * XXX all RefCount accesses should be protected by a mutex.
*/
GLuint u;
for (u = 0; u < MAX_TEXTURE_IMAGE_UNITS; u++) {
}
ctx->NewState |= _NEW_TEXTURE;
- /* Decrement reference count and delete if zero */
- delObj->RefCount--;
- ASSERT(delObj->RefCount >= 0);
+ /* The texture _name_ is now free for re-use.
+ * Remove it from the hash table now.
+ */
+ _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
+ _mesa_HashRemove(ctx->Shared->TexObjects, delObj->Name);
+ _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
+ /* The actual texture object will not be freed until it's no
+ * longer bound in any context.
+ * XXX all RefCount accesses should be protected by a mutex.
+ */
+ delObj->RefCount--;
if (delObj->RefCount == 0) {
- ASSERT(delObj->Name != 0);
- _mesa_remove_texture_object(ctx, delObj);
+ ASSERT(delObj->Name != 0); /* Never delete default tex objs */
ASSERT(ctx->Driver.DeleteTexture);
(*ctx->Driver.DeleteTexture)(ctx, delObj);
}
}
}
+
/**
* Bind a named texture to a texturing target.
*
* calls dd_function_table::BindTexture. Decrements the old texture reference
* count and deletes it if it reaches zero.
*/
-void
+void GLAPIENTRY
_mesa_BindTexture( GLenum target, GLuint texName )
{
GET_CURRENT_CONTEXT(ctx);
GLuint unit = ctx->Texture.CurrentUnit;
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
struct gl_texture_object *oldTexObj;
- struct gl_texture_object *newTexObj = 0;
+ struct gl_texture_object *newTexObj = NULL;
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
_mesa_debug(ctx, "glBindTexture %s %d\n",
_mesa_lookup_enum_by_nr(target), (GLint) texName);
+ /*
+ * Get pointer to currently bound texture object (oldTexObj)
+ */
switch (target) {
case GL_TEXTURE_1D:
oldTexObj = texUnit->Current1D;
}
if (oldTexObj->Name == texName)
+ /* XXX this might be wrong. If the texobj is in use by another
+ * context and a texobj parameter was changed, this might be our
+ * only chance to update this context's hardware state.
+ */
return; /* rebinding the same texture- no change */
/*
newTexObj->WrapT = GL_CLAMP_TO_EDGE;
newTexObj->WrapR = GL_CLAMP_TO_EDGE;
newTexObj->MinFilter = GL_LINEAR;
+ if (ctx->Driver.TexParameter) {
+ static const GLfloat fparam_wrap[1] = {(GLfloat) GL_CLAMP_TO_EDGE};
+ static const GLfloat fparam_filter[1] = {(GLfloat) GL_LINEAR};
+ (*ctx->Driver.TexParameter)( ctx, target, newTexObj, GL_TEXTURE_WRAP_S, fparam_wrap );
+ (*ctx->Driver.TexParameter)( ctx, target, newTexObj, GL_TEXTURE_WRAP_T, fparam_wrap );
+ (*ctx->Driver.TexParameter)( ctx, target, newTexObj, GL_TEXTURE_WRAP_R, fparam_wrap );
+ (*ctx->Driver.TexParameter)( ctx, target, newTexObj, GL_TEXTURE_MIN_FILTER, fparam_filter );
+ }
}
}
else {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glBindTexture");
return;
}
- _mesa_save_texture_object(ctx, newTexObj);
+
+ /* and insert it into hash table */
+ _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
+ _mesa_HashInsert(ctx->Shared->TexObjects, texName, newTexObj);
+ _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
}
newTexObj->Target = target;
}
+ /* XXX all RefCount accesses should be protected by a mutex. */
newTexObj->RefCount++;
/* do the actual binding, but first flush outstanding vertices:
if (ctx->Driver.BindTexture)
(*ctx->Driver.BindTexture)( ctx, target, newTexObj );
+ /* Decrement the reference count on the old texture and check if it's
+ * time to delete it.
+ */
+ /* XXX all RefCount accesses should be protected by a mutex. */
oldTexObj->RefCount--;
- assert(oldTexObj->RefCount >= 0);
+ ASSERT(oldTexObj->RefCount >= 0);
if (oldTexObj->RefCount == 0) {
- assert(oldTexObj->Name != 0);
- _mesa_remove_texture_object(ctx, oldTexObj);
+ ASSERT(oldTexObj->Name != 0);
ASSERT(ctx->Driver.DeleteTexture);
(*ctx->Driver.DeleteTexture)( ctx, oldTexObj );
}
}
+
/**
* Set texture priorities.
*
* Looks up each texture in the hash, clamps the corresponding priority between
* 0.0 and 1.0, and calls dd_function_table::PrioritizeTexture.
*/
-void
+void GLAPIENTRY
_mesa_PrioritizeTextures( GLsizei n, const GLuint *texName,
const GLclampf *priorities )
{
* Looks up each texture in the hash and calls
* dd_function_table::IsTextureResident.
*/
-GLboolean
+GLboolean GLAPIENTRY
_mesa_AreTexturesResident(GLsizei n, const GLuint *texName,
GLboolean *residences)
{
*
* Calls _mesa_HashLookup().
*/
-GLboolean
+GLboolean GLAPIENTRY
_mesa_IsTexture( GLuint texture )
{
+ struct gl_texture_object *t;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
- return texture > 0 && _mesa_HashLookup(ctx->Shared->TexObjects, texture);
+
+ if (!texture)
+ return GL_FALSE;
+
+ t = (struct gl_texture_object *)
+ _mesa_HashLookup(ctx->Shared->TexObjects, texture);
+
+ /* IsTexture is true only after object has been bound once. */
+ return t && t->Target;
}
/*@}*/