Line data    Source code

       1           0 : /*
       2             : 
       3             : OOMaterial.m
       4             : 
       5             : 
       6             : Copyright (C) 2007-2013 Jens Ayton and contributors
       7             : 
       8             : Permission is hereby granted, free of charge, to any person obtaining a copy
       9             : of this software and associated documentation files (the "Software"), to deal
      10             : in the Software without restriction, including without limitation the rights
      11             : to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
      12             : copies of the Software, and to permit persons to whom the Software is
      13             : furnished to do so, subject to the following conditions:
      14             : 
      15             : The above copyright notice and this permission notice shall be included in all
      16             : copies or substantial portions of the Software.
      17             : 
      18             : THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
      19             : IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
      20             : FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
      21             : AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
      22             : LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
      23             : OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
      24             : SOFTWARE.
      25             : 
      26             : */
      27             : 
      28             : #import "OOMaterial.h"
      29             : #import "OOFunctionAttributes.h"
      30             : #import "OOLogging.h"
      31             : 
      32             : 
      33           0 : static OOMaterial *sActiveMaterial = nil;
      34             : 
      35             : 
      36             : @implementation OOMaterial
      37             : 
      38             : + (void)setUp
      39             : {
      40             :         // I thought we'd need this, but the stuff I needed it for turned out to be problematic. Maybe in future. -- Ahruman
      41             : }
      42             : 
      43             : 
      44           0 : - (void)dealloc
      45             : {
      46             :         // Ensure cleanup happens; doing it more than once is safe.
      47             :         [self willDealloc];
      48             :         
      49             :         [super dealloc];
      50             : }
      51             : 
      52             : 
      53           0 : - (NSString *)descriptionComponents
      54             : {
      55             :         return [NSString stringWithFormat:@"\"%@\"", [self name]];
      56             : }
      57             : 
      58             : 
      59             : - (NSString *)name
      60             : {
      61             :         OOLogGenericParameterError();
      62             :         return nil;
      63             : }
      64             : 
      65             : 
      66             : // Make this the current GL shader program.
      67             : - (void)apply
      68             : {
      69             :         [sActiveMaterial unapplyWithNext:self];
      70             :         [sActiveMaterial release];
      71             :         sActiveMaterial = nil;
      72             :         
      73             :         if ([self doApply])
      74             :         {
      75             :                 sActiveMaterial = [self retain];
      76             :         }
      77             : }
      78             : 
      79             : 
      80             : + (void)applyNone
      81             : {
      82             :         [sActiveMaterial unapplyWithNext:nil];
      83             :         [sActiveMaterial release];
      84             :         sActiveMaterial = nil;
      85             : }
      86             : 
      87             : 
      88             : + (OOMaterial *)current
      89             : {
      90             :         return [[sActiveMaterial retain] autorelease];
      91             : }
      92             : 
      93             : 
      94             : - (void)ensureFinishedLoading
      95             : {
      96             :         
      97             : }
      98             : 
      99             : 
     100             : - (BOOL) isFinishedLoading
     101             : {
     102             :         return YES;
     103             : }
     104             : 
     105             : 
     106             : - (void)setBindingTarget:(id<OOWeakReferenceSupport>)target
     107             : {
     108             :         
     109             : }
     110             : 
     111             : 
     112             : - (BOOL) wantsNormalsAsTextureCoordinates
     113             : {
     114             :         return NO;
     115             : }
     116             : 
     117             : 
     118             : #if OO_MULTITEXTURE
     119             : - (NSUInteger) countOfTextureUnitsWithBaseCoordinates
     120             : {
     121             :         return 1;
     122             : }
     123             : #endif
     124             : 
     125             : 
     126             : #ifndef NDEBUG
     127             : - (NSSet *) allTextures
     128             : {
     129             :         return nil;
     130             : }
     131             : #endif
     132             : 
     133             : @end
     134             : 
     135             : 
     136             : @implementation OOMaterial (OOSubclassInterface)
     137             : 
     138             : - (BOOL)doApply
     139             : {
     140             :         OOLogGenericSubclassResponsibility();
     141             :         return NO;
     142             : }
     143             : 
     144             : 
     145             : - (void)unapplyWithNext:(OOMaterial *)next
     146             : {
     147             :         // Do nothing.
     148             : }
     149             : 
     150             : 
     151             : - (void)willDealloc
     152             : {
     153             :         if (EXPECT_NOT(sActiveMaterial == self))
     154             :         {
     155             :                 OOLog(@"shader.dealloc.imbalance", @"%@", @"***** Material deallocated while active, indicating a retain/release imbalance.");
     156             :                 [self unapplyWithNext:nil];
     157             :                 sActiveMaterial = nil;
     158             :         }
     159             : }
     160             : 
     161             : @end