-/* $Id: texobj.c,v 1.41 2001/02/26 18:25:25 brianp Exp $ */
+/* $Id: texobj.c,v 1.52 2002/02/15 16:32:06 brianp Exp $ */
/*
* Mesa 3-D graphics library
- * Version: 3.5
+ * Version: 4.1
*
- * Copyright (C) 1999-2000 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2002 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"),
* Return: pointer to new texture object
*/
struct gl_texture_object *
-_mesa_alloc_texture_object( struct gl_shared_state *shared,
+_mesa_alloc_texture_object( struct gl_shared_state *shared,
GLuint name, GLuint dimensions )
{
struct gl_texture_object *obj;
obj->MaxLod = 1000.0;
obj->BaseLevel = 0;
obj->MaxLevel = 1000;
- obj->CompareFlag = GL_FALSE;
- obj->CompareOperator = GL_TEXTURE_LEQUAL_R_SGIX;
- obj->ShadowAmbient = 0;
+ obj->MaxAnisotropy = 1.0;
+ obj->CompareFlag = GL_FALSE; /* SGIX_shadow */
+ obj->CompareOperator = GL_TEXTURE_LEQUAL_R_SGIX; /* SGIX_shadow */
+ obj->CompareMode = GL_LUMINANCE; /* ARB_shadow */
+ obj->CompareFunc = GL_LEQUAL; /* ARB_shadow */
+ obj->DepthMode = GL_LUMINANCE; /* ARB_depth_texture */
+ obj->ShadowAmbient = 0; /* ARB/SGIX_shadow_ambient */
_mesa_init_colortable(&obj->Palette);
/* insert into linked list */
struct gl_texture_object *t )
{
const GLint baseLevel = t->BaseLevel;
- GLint maxLog2 = 0;
+ GLint maxLog2 = 0, maxLevels = 0;
t->Complete = GL_TRUE; /* be optimistic */
/* Compute _MaxLevel */
if (t->Dimensions == 1) {
maxLog2 = t->Image[baseLevel]->WidthLog2;
+ maxLevels = ctx->Const.MaxTextureLevels;
}
else if (t->Dimensions == 2 || t->Dimensions == 6) {
maxLog2 = MAX2(t->Image[baseLevel]->WidthLog2,
t->Image[baseLevel]->HeightLog2);
+ maxLevels = (t->Dimensions == 2) ?
+ ctx->Const.MaxTextureLevels : ctx->Const.MaxCubeTextureLevels;
}
else if (t->Dimensions == 3) {
GLint max = MAX2(t->Image[baseLevel]->WidthLog2,
t->Image[baseLevel]->HeightLog2);
maxLog2 = MAX2(max, (GLint)(t->Image[baseLevel]->DepthLog2));
+ maxLevels = ctx->Const.Max3DTextureLevels;
+ }
+ else {
+ _mesa_problem(ctx, "Bad t->Dimension in _mesa_test_texobj_completeness");
+ return;
}
+ ASSERT(maxLevels > 0);
+
t->_MaxLevel = baseLevel + maxLog2;
t->_MaxLevel = MIN2(t->_MaxLevel, t->MaxLevel);
- t->_MaxLevel = MIN2(t->_MaxLevel, ctx->Const.MaxTextureLevels - 1);
+ t->_MaxLevel = MIN2(t->_MaxLevel, maxLevels - 1);
/* Compute _MaxLambda = q - b (see the 1.2 spec) used during mipmapping */
t->_MaxLambda = (GLfloat) (t->_MaxLevel - t->BaseLevel);
if (t->Dimensions == 6) {
/* make sure that all six cube map level 0 images are the same size */
- const GLint w = t->Image[baseLevel]->Width2;
- const GLint h = t->Image[baseLevel]->Height2;
+ 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 ||
/* Test dimension-independent attributes */
for (i = minLevel; i <= maxLevel; i++) {
if (t->Image[i]) {
- if (t->Image[i]->Format != t->Image[baseLevel]->Format) {
+ if (t->Image[i]->TexFormat != t->Image[baseLevel]->TexFormat) {
t->Complete = GL_FALSE;
incomplete(t, "Format[i] != Format[baseLevel]");
return;
if (t->Dimensions == 1) {
/* Test 1-D mipmaps */
GLuint width = t->Image[baseLevel]->Width2;
- for (i = baseLevel + 1; i < ctx->Const.MaxTextureLevels; i++) {
+ for (i = baseLevel + 1; i < maxLevels; i++) {
if (width > 1) {
width /= 2;
}
/* Test 2-D mipmaps */
GLuint width = t->Image[baseLevel]->Width2;
GLuint height = t->Image[baseLevel]->Height2;
- for (i = baseLevel + 1; i < ctx->Const.MaxTextureLevels; i++) {
+ for (i = baseLevel + 1; i < maxLevels; i++) {
if (width > 1) {
width /= 2;
}
GLuint width = t->Image[baseLevel]->Width2;
GLuint height = t->Image[baseLevel]->Height2;
GLuint depth = t->Image[baseLevel]->Depth2;
- for (i = baseLevel + 1; i < ctx->Const.MaxTextureLevels; i++) {
+ for (i = baseLevel + 1; i < maxLevels; i++) {
if (width > 1) {
width /= 2;
}
t->Complete = GL_FALSE;
return;
}
+ if (t->Image[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) {
t->Complete = GL_FALSE;
incomplete(t, "3D Image[i] bad width");
/* make sure 6 cube faces are consistant */
GLuint width = t->Image[baseLevel]->Width2;
GLuint height = t->Image[baseLevel]->Height2;
- for (i = baseLevel + 1; i < ctx->Const.MaxTextureLevels; i++) {
+ for (i = baseLevel + 1; i < maxLevels; i++) {
if (width > 1) {
width /= 2;
}
height /= 2;
}
if (i >= minLevel && i <= maxLevel) {
+ /* 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 we have images defined */
if (!t->Image[i] || !t->NegX[i] ||
!t->PosY[i] || !t->NegY[i] ||
}
else {
/* Dimensions = ??? */
- gl_problem(ctx, "Bug in gl_test_texture_object_completeness\n");
+ _mesa_problem(ctx, "Bug in gl_test_texture_object_completeness\n");
}
}
}
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (n < 0) {
- gl_error( ctx, GL_INVALID_VALUE, "glGenTextures" );
+ _mesa_error( ctx, GL_INVALID_VALUE, "glGenTextures" );
return;
}
if (delObj == unit->Current1D) {
unit->Current1D = ctx->Shared->Default1D;
ctx->Shared->Default1D->RefCount++;
+ if (delObj == unit->_Current)
+ unit->_Current = unit->Current1D;
}
else if (delObj == unit->Current2D) {
unit->Current2D = ctx->Shared->Default2D;
ctx->Shared->Default2D->RefCount++;
+ if (delObj == unit->_Current)
+ unit->_Current = unit->Current2D;
}
else if (delObj == unit->Current3D) {
unit->Current3D = ctx->Shared->Default3D;
ctx->Shared->Default3D->RefCount++;
+ if (delObj == unit->_Current)
+ unit->_Current = unit->Current3D;
}
else if (delObj == unit->CurrentCubeMap) {
unit->CurrentCubeMap = ctx->Shared->DefaultCubeMap;
ctx->Shared->DefaultCubeMap->RefCount++;
+ if (delObj == unit->_Current)
+ unit->_Current = unit->CurrentCubeMap;
}
}
ctx->NewState |= _NEW_TEXTURE;
/* Decrement reference count and delete if zero */
delObj->RefCount--;
- ASSERT( delObj->RefCount >= 0 );
+ ASSERT(delObj->RefCount >= 0);
+
if (delObj->RefCount == 0) {
+ ASSERT(delObj->Name != 0);
if (ctx->Driver.DeleteTexture)
(*ctx->Driver.DeleteTexture)( ctx, delObj );
_mesa_free_texture_object(ctx->Shared, delObj);
if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
fprintf(stderr, "glBindTexture %s %d\n",
- gl_lookup_enum_by_nr(target), (GLint) texName);
+ _mesa_lookup_enum_by_nr(target), (GLint) texName);
switch (target) {
case GL_TEXTURE_1D:
}
/* fallthrough */
default:
- gl_error( ctx, GL_INVALID_ENUM, "glBindTexture(target)" );
+ _mesa_error( ctx, GL_INVALID_ENUM, "glBindTexture(target)" );
return;
}
/* error checking */
if (newTexObj->Dimensions > 0 && newTexObj->Dimensions != targetDim) {
/* the named texture object's dimensions don't match the target */
- gl_error( ctx, GL_INVALID_OPERATION, "glBindTexture" );
+ _mesa_error( ctx, GL_INVALID_OPERATION,
+ "glBindTexture(wrong dimensionality)" );
return;
}
}
newTexObj = _mesa_alloc_texture_object( ctx->Shared, texName,
targetDim);
if (!newTexObj) {
- gl_error(ctx, GL_OUT_OF_MEMORY, "glBindTexture");
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBindTexture");
return;
}
}
newTexObj->RefCount++;
-
/* do the actual binding, but first flush outstanding vertices:
*/
FLUSH_VERTICES(ctx, _NEW_TEXTURE);
texUnit->CurrentCubeMap = newTexObj;
break;
default:
- gl_problem(ctx, "bad target in BindTexture");
+ _mesa_problem(ctx, "bad target in BindTexture");
}
/* Pass BindTexture call to device driver */
if (ctx->Driver.BindTexture)
(*ctx->Driver.BindTexture)( ctx, target, newTexObj );
- if (oldTexObj->Name > 0) {
- /* never delete default (id=0) texture objects */
- oldTexObj->RefCount--;
- if (oldTexObj->RefCount <= 0) {
- if (ctx->Driver.DeleteTexture) {
- (*ctx->Driver.DeleteTexture)( ctx, oldTexObj );
- }
- _mesa_free_texture_object(ctx->Shared, oldTexObj);
+ oldTexObj->RefCount--;
+ assert(oldTexObj->RefCount >= 0);
+ if (oldTexObj->RefCount == 0) {
+ assert(oldTexObj->Name != 0);
+ if (ctx->Driver.DeleteTexture) {
+ (*ctx->Driver.DeleteTexture)( ctx, oldTexObj );
}
+ _mesa_free_texture_object(ctx->Shared, oldTexObj);
}
}
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
if (n < 0) {
- gl_error( ctx, GL_INVALID_VALUE, "glPrioritizeTextures" );
+ _mesa_error( ctx, GL_INVALID_VALUE, "glPrioritizeTextures" );
return;
}
ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
if (n < 0) {
- gl_error(ctx, GL_INVALID_VALUE, "glAreTexturesResident(n)");
+ _mesa_error(ctx, GL_INVALID_VALUE, "glAreTexturesResident(n)");
return GL_FALSE;
}
for (i = 0; i < n; i++) {
struct gl_texture_object *t;
if (texName[i] == 0) {
- gl_error(ctx, GL_INVALID_VALUE, "glAreTexturesResident(textures)");
+ _mesa_error(ctx, GL_INVALID_VALUE, "glAreTexturesResident(textures)");
return GL_FALSE;
}
t = (struct gl_texture_object *)
}
}
else {
- gl_error(ctx, GL_INVALID_VALUE, "glAreTexturesResident(textures)");
+ _mesa_error(ctx, GL_INVALID_VALUE, "glAreTexturesResident(textures)");
return GL_FALSE;
}
}
ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
return texture > 0 && _mesa_HashLookup(ctx->Shared->TexObjects, texture);
}
-