Line data    Source code

       1           0 : /*
       2             : 
       3             : OOShaderProgram.h
       4             : 
       5             : Encapsulates a vertex + fragment shader combo. In general, this should only be
       6             : used though OOShaderMaterial. The point of this separation is that more than
       7             : one OOShaderMaterial can use the same OOShaderProgram.
       8             : 
       9             : 
      10             : Copyright (C) 2007-2013 Jens Ayton
      11             : 
      12             : Permission is hereby granted, free of charge, to any person obtaining a copy
      13             : of this software and associated documentation files (the "Software"), to deal
      14             : in the Software without restriction, including without limitation the rights
      15             : to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
      16             : copies of the Software, and to permit persons to whom the Software is
      17             : furnished to do so, subject to the following conditions:
      18             : 
      19             : The above copyright notice and this permission notice shall be included in all
      20             : copies or substantial portions of the Software.
      21             : 
      22             : THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
      23             : IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
      24             : FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
      25             : AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
      26             : LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
      27             : OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
      28             : SOFTWARE.
      29             : 
      30             : */
      31             : 
      32             : 
      33             : #import <Foundation/Foundation.h>
      34             : #import "OOOpenGL.h"
      35             : #import "OOOpenGLExtensionManager.h"
      36             : 
      37             : #if OO_SHADERS
      38             : 
      39             : 
      40             : @interface OOShaderProgram: NSObject
      41             : {
      42             : @private
      43             :         GLhandleARB                                             program;
      44             :         NSString                                                *key;
      45             :         NSArray                                                 *standardMatrixUniformLocations;
      46             : }
      47             : 
      48             : + (id) shaderProgramWithVertexShader:(NSString *)vertexShaderSource
      49             :                                           fragmentShader:(NSString *)fragmentShaderSource
      50             :                                         vertexShaderName:(NSString *)vertexShaderName
      51             :                                   fragmentShaderName:(NSString *)fragmentShaderName
      52             :                                                           prefix:(NSString *)prefixString                       // String prepended to program source (both vs and fs)
      53             :                                    attributeBindings:(NSDictionary *)attributeBindings  // Maps vertex attribute names to "locations".
      54             :                                                         cacheKey:(NSString *)cacheKey;
      55             : 
      56             : // Loads a shader from a file, caching and sharing shader program instances.
      57             : + (id) shaderProgramWithVertexShaderName:(NSString *)vertexShaderName
      58             :                                           fragmentShaderName:(NSString *)fragmentShaderName
      59             :                                                                   prefix:(NSString *)prefixString                       // String prepended to program source (both vs and fs)
      60             :                                            attributeBindings:(NSDictionary *)attributeBindings; // Maps vertex attribute names to "locations".
      61             : 
      62             : - (void) apply;
      63             : + (void) applyNone;
      64             : 
      65             : - (GLhandleARB) program;
      66             : 
      67             : @end
      68             : 
      69             : #endif // OO_SHADERS