(root)/iphone/common : 51 : tappity/source/TappityView.m

#import "ES2Shader.h"

#import "VertexArray.h"

- (void) setupGraphicsForApi: (EAGLRenderingAPI) glApi

{

 

        secondaryContext = [[EAGLContext alloc] initWithAPI: glApi sharegroup: [context sharegroup]];

 

        glClearColor(0.0f,0.0f,0.0f,1.0f);

 

        if ([[EAGLContext currentContext] API] == kEAGLRenderingAPIOpenGLES2)

        {

                imgShader = [[[ESShader shader] initWithVertexShaderFile: @"jigsawPiece.vs" fragmentShaderFile: @"jigsawPiece.fs"] retain];

        }

        else

        {

                imgShader = [[[ESShader shader] init] retain];

        }

 

        

}

 

        [EAGLContext setCurrentContext: secondaryContext];

        

        GLuint tex = 0;

        [self textureFromCgImage: [img CGImage] texName: &tex width: 320 height: 480 repeat: NO mipmap: NO filter: NO];

        

        glFlush();

 

                

                if (imageTex)

                        glDeleteTextures(1, &imageTex);

                imageTex = tex;

 

        glFlush();

 

        [self performSelectorOnMainThread: @selector(drawView) withObject: nil waitUntilDone: NO];

- (void) drawView

{

        m16 I = midentity();

                

        [self setupViewDrawing];

        

        glDisable(GL_CULL_FACE);

        glEnable(GL_TEXTURE_2D);

        glDisable(GL_DEPTH_TEST);

        glDisable(GL_BLEND);

        glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);

        

        glBindTexture(GL_TEXTURE_2D, imageTex);

        

        [imgShader bindShader];

        

        [imgShader setColorRed: 1.0f green: 1.0f blue: 1.0f alpha: 1.0f];

        

        [imgShader setTextureMatrix: &I];

        [imgShader setProjectionMatrix: &I];

        [imgShader setModelviewMatrix: &I];

        

        [[VertexArray sharedQuad] draw];

        

        

        [self finishViewDrawing];

}

 

 

/*

*/