Java Code Examples for org.lwjgl.opengl.GL20#glCreateShader()

The following examples show how to use org.lwjgl.opengl.GL20#glCreateShader() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: ShaderProgram.java    From LowPolyWater with The Unlicense 6 votes vote down vote up 
private int loadShader(MyFile file, int type) {
	StringBuilder shaderSource = new StringBuilder();
	try {
		BufferedReader reader = file.getReader();
		String line;
		while ((line = reader.readLine()) != null) {
			shaderSource.append(line).append("//\n");
		}
		reader.close();
	} catch (Exception e) {
		System.err.println("Could not read file.");
		e.printStackTrace();
		System.exit(-1);
	}
	int shaderID = GL20.glCreateShader(type);
	GL20.glShaderSource(shaderID, shaderSource);
	GL20.glCompileShader(shaderID);
	if (GL20.glGetShaderi(shaderID, GL20.GL_COMPILE_STATUS) == GL11.GL_FALSE) {
		System.out.println(GL20.glGetShaderInfoLog(shaderID, 500));
		System.err.println("Could not compile shader "+ file);
		System.exit(-1);
	}
	return shaderID;
}
Example 2
Source File: ShaderProgram.java    From OpenGL-Animation with The Unlicense 6 votes vote down vote up 
private int loadShader(MyFile file, int type) {
	StringBuilder shaderSource = new StringBuilder();
	try {
		BufferedReader reader = file.getReader();
		String line;
		while ((line = reader.readLine()) != null) {
			shaderSource.append(line).append("//\n");
		}
		reader.close();
	} catch (Exception e) {
		System.err.println("Could not read file.");
		e.printStackTrace();
		System.exit(-1);
	}
	int shaderID = GL20.glCreateShader(type);
	GL20.glShaderSource(shaderID, shaderSource);
	GL20.glCompileShader(shaderID);
	if (GL20.glGetShaderi(shaderID, GL20.GL_COMPILE_STATUS) == GL11.GL_FALSE) {
		System.out.println(GL20.glGetShaderInfoLog(shaderID, 500));
		System.err.println("Could not compile shader "+ file);
		System.exit(-1);
	}
	return shaderID;
}
Example 3
Source File: AbstractShaderObject.java    From CodeChickenLib with GNU Lesser General Public License v2.1 6 votes vote down vote up 
@Override
public void alloc() {
    if (dirty || shaderId == -1) {
        if (shaderId == -1) {
            shaderId = GL20.glCreateShader(type.getGLCode());
            if (shaderId == 0) {
                throw new RuntimeException("Allocation of ShaderObject failed.");
            }
        }
        GL20.glShaderSource(shaderId, getSource());
        GL20.glCompileShader(shaderId);
        if (GL20.glGetShaderi(shaderId, GL20.GL_COMPILE_STATUS) == GL11.GL_FALSE) {
            throw new RuntimeException("ShaderProgram linkage failure. \n" + GL20.glGetShaderInfoLog(shaderId));
        }
    }
}
Example 4
Source File: GLShader.java    From ldparteditor with MIT License 6 votes vote down vote up 
private int createAndCompile(final String path, final int type) {
    final StringBuilder shaderSource = new StringBuilder();

    try (BufferedReader shaderReader = new BufferedReader(new InputStreamReader(GLShader.class.getResourceAsStream(path), "UTF-8"))) { //$NON-NLS-1$) {
        String line;
        while ((line = shaderReader.readLine()) != null) {
            shaderSource.append(line).append("\n"); //$NON-NLS-1$
        }
    } catch (IOException io) {
        NLogger.error(GLShader.class, io);
        return -1;
    }

    final int shaderID = GL20.glCreateShader(type);
    GL20.glShaderSource(shaderID, shaderSource);
    GL20.glCompileShader(shaderID);

    if (GL20.glGetShaderi(shaderID, GL20.GL_COMPILE_STATUS) == GL11.GL_FALSE) {
        NLogger.error(GLShader.class, "Could not compile shader " + path + GL20.glGetProgramInfoLog(program, 1024)); //$NON-NLS-1$;
        NLogger.error(GLShader.class, "msg:  " + path + GL20.glGetShaderInfoLog(shaderID)); //$NON-NLS-1$;
        return -1;
    }

    return shaderID;
}
Example 5
Source File: DesktopComputeJobManager.java    From graphicsfuzz with Apache License 2.0 5 votes vote down vote up 
@Override
public void createAndCompileComputeShader(String computeShaderSource) {
  Gdx.app.log("DesktopComputeJobManager", "Compiling compute shader.");
  shader = GL20.glCreateShader(GL43.GL_COMPUTE_SHADER);
  checkError();
  GL20.glShaderSource(shader, computeShaderSource);
  checkError();
  GL20.glCompileShader(shader);
  checkError();
}
Example 6
Source File: OpenGL3_TheQuadTextured.java    From ldparteditor with MIT License 5 votes vote down vote up 
private int loadShader(String filename, int type) {
    StringBuilder shaderSource = new StringBuilder();
    int shaderID = 0;
     
    try {
        BufferedReader reader = new BufferedReader(new FileReader(filename));
        String line;
        while ((line = reader.readLine()) != null) {
            shaderSource.append(line).append("\n");
        }
        reader.close();
    } catch (IOException e) {
        System.err.println("Could not read file.");
        e.printStackTrace();
        System.exit(-1);
    }
     
    shaderID = GL20.glCreateShader(type);
    GL20.glShaderSource(shaderID, shaderSource);
    GL20.glCompileShader(shaderID);
     
    if (GL20.glGetShader(shaderID, GL20.GL_COMPILE_STATUS) == GL11.GL_FALSE) {
        System.err.println("Could not compile shader.");
        System.exit(-1);
    }
     
    this.exitOnGLError("loadShader");
     
    return shaderID;
}
Example 7
Source File: OpenGLRenderer20.java    From ldparteditor with MIT License 5 votes vote down vote up 
private int loadGlossFragmentShader() {
    StringBuilder shaderSource = new StringBuilder();
    int shaderID = 0;

    try {
        BufferedReader reader = new BufferedReader(new InputStreamReader(GLShader.class.getResourceAsStream("gloss.frag"), "UTF-8")); //$NON-NLS-1$ //$NON-NLS-2$
        String line;
        while ((line = reader.readLine()) != null) {
            shaderSource.append(line).append("\n"); //$NON-NLS-1$
        }
        reader.close();
    } catch (IOException e) {
        NLogger.error(OpenGLRenderer20.class, e);
        return -1;
    }

    shaderID = GL20.glCreateShader(GL20.GL_FRAGMENT_SHADER);
    GL20.glShaderSource(shaderID, shaderSource);
    GL20.glCompileShader(shaderID);

    if (GL20.glGetShaderi(shaderID, GL20.GL_COMPILE_STATUS) == GL11.GL_FALSE) {
        NLogger.error(OpenGLRenderer20.class, new Exception("Could not compile fragment shader.")); //$NON-NLS-1$;
        return -1;
    }

    return shaderID;
}
Example 8
Source File: OpenGLRenderer20.java    From ldparteditor with MIT License 5 votes vote down vote up 
private int loadGlossVertexShader() {
    StringBuilder shaderSource = new StringBuilder();
    int shaderID = 0;

    try {
        BufferedReader reader = new BufferedReader(new InputStreamReader(GLShader.class.getResourceAsStream("gloss.vert"), "UTF-8")); //$NON-NLS-1$ //$NON-NLS-2$
        String line;
        while ((line = reader.readLine()) != null) {
            shaderSource.append(line).append("\n"); //$NON-NLS-1$
        }
        reader.close();
    } catch (IOException e) {
        NLogger.error(OpenGLRenderer20.class, e);
        return -1;
    }

    shaderID = GL20.glCreateShader(GL20.GL_VERTEX_SHADER);
    GL20.glShaderSource(shaderID, shaderSource);
    GL20.glCompileShader(shaderID);

    if (GL20.glGetShaderi(shaderID, GL20.GL_COMPILE_STATUS) == GL11.GL_FALSE) {
        NLogger.error(OpenGLRenderer20.class, new Exception("Could not compile vertex shader.")); //$NON-NLS-1$;
        return -1;
    }

    return shaderID;
}
Example 9
Source File: LWJGL20DrawContext.java    From settlers-remake with MIT License 5 votes vote down vote up 
private int createShader(String name, int type) throws IOException {
	int shader = GL20.glCreateShader(type);
	setObjectLabel(KHRDebug.GL_SHADER, shader, name);

	BufferedReader is = new BufferedReader(new InputStreamReader(getClass().getResourceAsStream("/"+name)));
	StringBuilder source = new StringBuilder();
	String line;

	while((line = is.readLine()) != null) {
		source.append(line).append("\n");
	}

	GL20.glShaderSource(shader, source);
	GL20.glCompileShader(shader);


	String log = GL20.glGetShaderInfoLog(shader);
	if(debugOutput != null && !log.isEmpty()) System.out.print("info log of " + name + "=====\n" + log + "==== end\n");

	if(GL20.glGetShaderi(shader, GL20.GL_COMPILE_STATUS) == 0) {

		GL20.glDeleteShader(shader);
		throw new Error("Could not compile " + name);
	}

	return shader;
}
Example 10
Source File: GenericShader.java    From LWJGUI with MIT License 4 votes vote down vote up 
protected static int compileShader(String source, boolean isVertex) {

		int type;
		if (isVertex) {
			type = GL20.GL_VERTEX_SHADER;
		} else {
			type = GL20.GL_FRAGMENT_SHADER;
		}

		// try to massage JavaFX shaders into modern OpenG
		if (source.startsWith("#ifdef GL_ES\n")) {
			source = modernizeShader(source, isVertex);
		}

		int id = GL20.glCreateShader(type);
		GL20.glShaderSource(id, source);
		GL20.glCompileShader(id);

		boolean isSuccess = GL20.glGetShaderi(id, GL20.GL_COMPILE_STATUS) != GL11.GL_FALSE;
		if (!isSuccess) {

			// get debug info
			StringBuilder buf = new StringBuilder();
			buf.append("Shader did not compile\n");

			// show the compiler log
			buf.append("\nCOMPILER LOG:\n");
			buf.append(GL20.glGetShaderInfoLog(id, 4096));

			// show the source with correct line numbering
			buf.append("\nSOURCE:\n");
			String[] lines = source.split("\\n");
			for (int i=0; i<lines.length; i++) {
				buf.append(String.format("%4d: ", i + 1));
				buf.append(lines[i]);
				buf.append("\n");
			}

			throw new RuntimeException(buf.toString());
		}

		return id;
	}
Example 11
Source File: ShaderHelper.java    From OpenModsLib with MIT License 4 votes vote down vote up 
@Override
public int glCreateShader(int type) {
	return GL20.glCreateShader(type);
}