GdxGL.java

package org.oscim.gdx.client;

/*******************************************************************************
 * Copyright 2011 See AUTHORS file.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/

import java.nio.Buffer;
import java.nio.FloatBuffer;
import java.nio.IntBuffer;

import org.oscim.backend.GL;

import com.badlogic.gdx.backends.gwt.GwtGL20;
import com.badlogic.gdx.graphics.Pixmap;
import com.google.gwt.typedarrays.client.Uint8ArrayNative;
import com.google.gwt.webgl.client.WebGLRenderingContext;

public class GdxGL extends GwtGL20 implements GL {

	protected final WebGLRenderingContext gl;

	public GdxGL(WebGLRenderingContext gl) {
		super(gl);
		gl.pixelStorei(WebGLRenderingContext.UNPACK_PREMULTIPLY_ALPHA_WEBGL, 1);
		this.gl = gl;
	}

	//	@Override
	//	public void glGetShaderSource(int shader, int bufsize, Buffer length, String source) {
	//
	//	}

	@Override
	public void glTexImage2D(int target, int level, int internalformat, int width, int height,
	        int border, int format, int type, Buffer pixels) {

		if (pixels == null) {
			gl.texImage2D(target, level, internalformat,
			              width, height, border, format,
			              type, null);
			return;
		}

		Pixmap pixmap = Pixmap.pixmaps.get(((IntBuffer) pixels).get(0));
		if (pixmap != null) {
			gl.texImage2D(target, level, internalformat, format, type, pixmap.getCanvasElement());
		} else if (format == GL.ALPHA) {
			int tmp[] = new int[(width * height) >> 2];
			((IntBuffer) pixels).get(tmp);

			Uint8ArrayNative v = com.google.gwt.typedarrays.client.Uint8ArrayNative.create(width
			        * height);

			for (int i = 0, n = (width * height) >> 2; i < n; i++) {
				v.set(i * 4 + 3, (tmp[i] >> 24) & 0xff);
				v.set(i * 4 + 2, (tmp[i] >> 16) & 0xff);
				v.set(i * 4 + 1, (tmp[i] >> 8) & 0xff);
				v.set(i * 4 + 0, (tmp[i]) & 0xff);
			}
			gl.texImage2D(target, level, internalformat, width, height, 0, format, type, v);
		}
	}

	public void activeTexture(int texture) {
		glActiveTexture(texture);
	}

	public void bindTexture(int target, int texture) {
		glBindTexture(target, texture);
	}

	public void blendFunc(int sfactor, int dfactor) {
		glBlendFunc(sfactor, dfactor);
	}

	public void clear(int mask) {
		glClear(mask);
	}

	public void clearColor(float red, float green, float blue, float alpha) {
		glClearColor(red, green, blue, alpha);
	}

	public void clearDepthf(float depth) {
		glClearDepthf(depth);
	}

	public void clearStencil(int s) {
		glClearStencil(s);
	}

	public void colorMask(boolean red, boolean green, boolean blue, boolean alpha) {
		glColorMask(red, green, blue, alpha);
	}

	public void compressedTexImage2D(int target, int level, int internalformat, int width,
	        int height, int border,
	        int imageSize, Buffer data) {
		glCompressedTexImage2D(
		                       target,
		                       level,
		                       internalformat,
		                       width,
		                       height,
		                       border,
		                       imageSize,
		                       data);
	}

	public void compressedTexSubImage2D(int target, int level, int xoffset, int yoffset,
	        int width, int height, int format,
	        int imageSize, Buffer data) {
		glCompressedTexSubImage2D(target,
		                          level,
		                          xoffset,
		                          yoffset,
		                          width,
		                          height,
		                          format,
		                          imageSize,
		                          data);
	}

	public void copyTexImage2D(int target, int level, int internalformat, int x, int y,
	        int width, int height, int border) {
		glCopyTexImage2D(target, level, internalformat, x, y, width, height, border);
	}

	public void copyTexSubImage2D(int target, int level, int xoffset, int yoffset, int x, int y,
	        int width, int height) {
		glCopyTexSubImage2D(target, level, xoffset, yoffset, x, y, width, height);
	}

	public void cullFace(int mode) {
		glCullFace(mode);
	}

	public void deleteTextures(int n, IntBuffer textures) {
		glDeleteTextures(n, textures);
	}

	public void depthFunc(int func) {
		glDepthFunc(func);
	}

	public void depthMask(boolean flag) {
		glDepthMask(flag);
	}

	public void depthRangef(float zNear, float zFar) {
		glDepthRangef(zNear, zFar);
	}

	public void disable(int cap) {
		glDisable(cap);
	}

	public void drawArrays(int mode, int first, int count) {
		glDrawArrays(mode, first, count);
	}

	public void drawElements(int mode, int count, int type, Buffer indices) {
		glDrawElements(mode, count, type, indices);
	}

	public void enable(int cap) {
		glEnable(cap);
	}

	public void finish() {
		glFinish();
	}

	public void flush() {
		glFlush();
	}

	public void frontFace(int mode) {
		glFrontFace(mode);
	}

	public void genTextures(int n, IntBuffer textures) {
		glGenTextures(n, textures);
	}

	public int getError() {
		return glGetError();
	}

	public void getIntegerv(int pname, IntBuffer params) {
		glGetIntegerv(pname, params);
	}

	public String getString(int name) {
		return glGetString(name);
	}

	public void hint(int target, int mode) {
		glHint(target, mode);
	}

	public void lineWidth(float width) {
		glLineWidth(width);
	}

	public void pixelStorei(int pname, int param) {
		glPixelStorei(pname, param);
	}

	public void polygonOffset(float factor, float units) {
		glPolygonOffset(factor, units);
	}

	public void readPixels(int x, int y, int width, int height, int format, int type,
	        Buffer pixels) {
		glReadPixels(x, y, width, height, format, type, pixels);
	}

	public void scissor(int x, int y, int width, int height) {
		glScissor(x, y, width, height);
	}

	public void stencilFunc(int func, int ref, int mask) {
		glStencilFunc(func, ref, mask);
	}

	public void stencilMask(int mask) {
		glStencilMask(mask);
	}

	public void stencilOp(int fail, int zfail, int zpass) {
		glStencilOp(fail, zfail, zpass);
	}

	public void texImage2D(int target, int level, int internalFormat, int width, int height,
	        int border, int format, int type,
	        Buffer pixels) {
		glTexImage2D(target,
		             level,
		             internalFormat,
		             width,
		             height,
		             border,
		             format,
		             type,
		             pixels);
	}

	public void texParameterf(int target, int pname, float param) {
		glTexParameterf(target, pname, param);
	}

	public void texSubImage2D(int target, int level, int xoffset, int yoffset, int width,
	        int height, int format, int type,
	        Buffer pixels) {
		glTexSubImage2D(target,
		                level,
		                xoffset,
		                yoffset,
		                width,
		                height,
		                format,
		                type,
		                pixels);
	}

	public void viewport(int x, int y, int width, int height) {
		glViewport(x, y, width, height);
	}

	public void getFloatv(int pname, FloatBuffer params) {
		glGetFloatv(pname, params);
	}

	public void getTexParameterfv(int target, int pname, FloatBuffer params) {
		glGetTexParameterfv(target, pname, params);
	}

	public void texParameterfv(int target, int pname, FloatBuffer params) {
		glTexParameterfv(target, pname, params);
	}

	public void bindBuffer(int target, int buffer) {
		glBindBuffer(target, buffer);
	}

	public void bufferData(int target, int size, Buffer data, int usage) {
		glBufferData(target, size, data, usage);
	}

	public void bufferSubData(int target, int offset, int size, Buffer data) {
		glBufferSubData(target, offset, size, data);
	}

	public void deleteBuffers(int n, IntBuffer buffers) {
		glDeleteBuffers(n, buffers);
	}

	public void getBufferParameteriv(int target, int pname, IntBuffer params) {
		glGetBufferParameteriv(target, pname, params);
	}

	public void genBuffers(int n, IntBuffer buffers) {
		glGenBuffers(n, buffers);
	}

	public void getTexParameteriv(int target, int pname, IntBuffer params) {
		glGetTexParameteriv(target, pname, params);
	}

	public boolean isBuffer(int buffer) {
		return glIsBuffer(buffer);
	}

	public boolean isEnabled(int cap) {
		return glIsEnabled(cap);
	}

	public boolean isTexture(int texture) {
		return glIsTexture(texture);
	}

	public void texParameteri(int target, int pname, int param) {
		glTexParameteri(target, pname, param);
	}

	public void texParameteriv(int target, int pname, IntBuffer params) {
		glTexParameteriv(target, pname, params);
	}

	public void drawElements(int mode, int count, int type, int indices) {
		glDrawElements(mode, count, type, indices);
	}

	public void attachShader(int program, int shader) {
		glAttachShader(program, shader);
	}

	public void bindAttribLocation(int program, int index, String name) {
		glBindAttribLocation(program, index, name);
	}

	public void bindFramebuffer(int target, int framebuffer) {
		glBindFramebuffer(target, framebuffer);
	}

	public void bindRenderbuffer(int target, int renderbuffer) {
		glBindRenderbuffer(target, renderbuffer);
	}

	public void blendColor(float red, float green, float blue, float alpha) {
		glBlendColor(red, green, blue, alpha);
	}

	public void blendEquation(int mode) {
		glBlendEquation(mode);
	}

	public void blendEquationSeparate(int modeRGB, int modeAlpha) {
		glBlendEquationSeparate(modeRGB, modeAlpha);
	}

	public void blendFuncSeparate(int srcRGB, int dstRGB, int srcAlpha, int dstAlpha) {
		glBlendFuncSeparate(srcRGB, dstRGB, srcAlpha, dstAlpha);
	}

	public int checkFramebufferStatus(int target) {
		return glCheckFramebufferStatus(target);
	}

	public void compileShader(int shader) {
		glCompileShader(shader);
	}

	public int createProgram() {
		return glCreateProgram();
	}

	public int createShader(int type) {
		return glCreateShader(type);
	}

	public void deleteFramebuffers(int n, IntBuffer framebuffers) {
		glDeleteFramebuffers(n, framebuffers);
	}

	public void deleteProgram(int program) {
		glDeleteProgram(program);
	}

	public void deleteRenderbuffers(int n, IntBuffer renderbuffers) {
		glDeleteRenderbuffers(n, renderbuffers);
	}

	public void deleteShader(int shader) {
		glDeleteShader(shader);
	}

	public void detachShader(int program, int shader) {
		glDetachShader(program, shader);
	}

	public void disableVertexAttribArray(int index) {
		glDisableVertexAttribArray(index);
	}

	public void enableVertexAttribArray(int index) {
		glEnableVertexAttribArray(index);
	}

	public void framebufferRenderbuffer(int target, int attachment, int renderbuffertarget,
	        int renderbuffer) {
		glFramebufferRenderbuffer(target, attachment, renderbuffertarget, renderbuffer);
	}

	public void framebufferTexture2D(int target, int attachment, int textarget, int texture,
	        int level) {
		glFramebufferTexture2D(target, attachment, textarget, texture, level);
	}

	public void generateMipmap(int target) {
		glGenerateMipmap(target);
	}

	public void genFramebuffers(int n, IntBuffer framebuffers) {
		glGenFramebuffers(n, framebuffers);
	}

	public void genRenderbuffers(int n, IntBuffer renderbuffers) {
		glGenRenderbuffers(n, renderbuffers);
	}

	public String getActiveAttrib(int program, int index, IntBuffer size, Buffer type) {
		return glGetActiveAttrib(program,
		                         index,
		                         size,
		                         type);
	}

	public String getActiveUniform(int program, int index, IntBuffer size, Buffer type) {
		return glGetActiveUniform(program,
		                          index,
		                          size,
		                          type);
	}

	public void getAttachedShaders(int program, int maxcount, Buffer count, IntBuffer shaders) {
		glGetAttachedShaders(program,
		                     maxcount,
		                     count,
		                     shaders);
	}

	public int getAttribLocation(int program, String name) {
		return glGetAttribLocation(program, name);
	}

	public void getBooleanv(int pname, Buffer params) {
		glGetBooleanv(pname, params);
	}

	public void getFramebufferAttachmentParameteriv(int target, int attachment, int pname,
	        IntBuffer params) {
		glGetFramebufferAttachmentParameteriv(target,
		                                      attachment,
		                                      pname,
		                                      params);
	}

	public void getProgramiv(int program, int pname, IntBuffer params) {
		glGetProgramiv(program, pname, params);
	}

	public String getProgramInfoLog(int program) {
		return glGetProgramInfoLog(program);
	}

	public void getRenderbufferParameteriv(int target, int pname, IntBuffer params) {
		glGetRenderbufferParameteriv(target, pname, params);
	}

	public void getShaderiv(int shader, int pname, IntBuffer params) {
		glGetShaderiv(shader, pname, params);
	}

	public String getShaderInfoLog(int shader) {
		return glGetShaderInfoLog(shader);
	}

	public void getShaderPrecisionFormat(int shadertype, int precisiontype, IntBuffer range,
	        IntBuffer precision) {
		glGetShaderPrecisionFormat(shadertype,
		                           precisiontype,
		                           range,
		                           precision);
	}

	public void getShaderSource(int shader, int bufsize, Buffer length, String source) {
		throw new UnsupportedOperationException("Not implemented");
	}

	public void getUniformfv(int program, int location, FloatBuffer params) {
		glGetUniformfv(program, location, params);
	}

	public void getUniformiv(int program, int location, IntBuffer params) {
		glGetUniformiv(program, location, params);
	}

	public int getUniformLocation(int program, String name) {
		return glGetUniformLocation(program, name);
	}

	public void getVertexAttribfv(int index, int pname, FloatBuffer params) {
		glGetVertexAttribfv(index, pname, params);
	}

	public void getVertexAttribiv(int index, int pname, IntBuffer params) {
		glGetVertexAttribiv(index, pname, params);
	}

	public void getVertexAttribPointerv(int index, int pname, Buffer pointer) {
		glGetVertexAttribPointerv(index, pname, pointer);
	}

	public boolean isFramebuffer(int framebuffer) {
		return glIsFramebuffer(framebuffer);
	}

	public boolean isProgram(int program) {
		return glIsProgram(program);
	}

	public boolean isRenderbuffer(int renderbuffer) {
		return glIsRenderbuffer(renderbuffer);
	}

	public boolean isShader(int shader) {
		return glIsShader(shader);
	}

	public void linkProgram(int program) {
		glLinkProgram(program);
	}

	public void releaseShaderCompiler() {
		glReleaseShaderCompiler();
	}

	public void renderbufferStorage(int target, int internalformat, int width, int height) {
		glRenderbufferStorage(target, internalformat, width, height);
	}

	public void sampleCoverage(float value, boolean invert) {
		glSampleCoverage(value, invert);
	}

	public void shaderBinary(int n, IntBuffer shaders, int binaryformat, Buffer binary, int length) {
		glShaderBinary(n,
		               shaders,
		               binaryformat,
		               binary,
		               length);
	}

	public void shaderSource(int shader, String string) {
		glShaderSource(shader, string);
	}

	public void stencilFuncSeparate(int face, int func, int ref, int mask) {
		glStencilFuncSeparate(face, func, ref, mask);
	}

	public void stencilMaskSeparate(int face, int mask) {
		glStencilMaskSeparate(face, mask);
	}

	public void stencilOpSeparate(int face, int fail, int zfail, int zpass) {
		glStencilOpSeparate(face, fail, zfail, zpass);
	}

	public void uniform1f(int location, float x) {
		glUniform1f(location, x);
	}

	public void uniform1fv(int location, int count, FloatBuffer v) {
		glUniform1fv(location, count, v);
	}

	public void uniform1i(int location, int x) {
		glUniform1i(location, x);
	}

	public void uniform1iv(int location, int count, IntBuffer v) {
		glUniform1iv(location, count, v);
	}

	public void uniform2f(int location, float x, float y) {
		glUniform2f(location, x, y);
	}

	public void uniform2fv(int location, int count, FloatBuffer v) {
		glUniform2fv(location, count, v);
	}

	public void uniform2i(int location, int x, int y) {
		glUniform2i(location, x, y);
	}

	public void uniform2iv(int location, int count, IntBuffer v) {
		glUniform2iv(location, count, v);
	}

	public void uniform3f(int location, float x, float y, float z) {
		glUniform3f(location, x, y, z);
	}

	public void uniform3fv(int location, int count, FloatBuffer v) {
		glUniform3fv(location, count, v);
	}

	public void uniform3i(int location, int x, int y, int z) {
		glUniform3i(location, x, y, z);
	}

	public void uniform3iv(int location, int count, IntBuffer v) {
		glUniform3iv(location, count, v);
	}

	public void uniform4f(int location, float x, float y, float z, float w) {
		glUniform4f(location, x, y, z, w);
	}

	public void uniform4fv(int location, int count, FloatBuffer v) {
		glUniform4fv(location, count, v);
	}

	public void uniform4i(int location, int x, int y, int z, int w) {
		glUniform4i(location, x, y, z, w);
	}

	public void uniform4iv(int location, int count, IntBuffer v) {
		glUniform4iv(location, count, v);
	}

	public void uniformMatrix2fv(int location, int count, boolean transpose, FloatBuffer value) {
		glUniformMatrix2fv(location, count, transpose, value);
	}

	public void uniformMatrix3fv(int location, int count, boolean transpose, FloatBuffer value) {
		glUniformMatrix3fv(location, count, transpose, value);
	}

	public void uniformMatrix4fv(int location, int count, boolean transpose, FloatBuffer value) {
		glUniformMatrix4fv(location, count, transpose, value);
	}

	public void useProgram(int program) {
		glUseProgram(program);
	}

	public void validateProgram(int program) {
		glValidateProgram(program);
	}

	public void vertexAttrib1f(int indx, float x) {
		glVertexAttrib1f(indx, x);
	}

	public void vertexAttrib1fv(int indx, FloatBuffer values) {
		glVertexAttrib1fv(indx, values);
	}

	public void vertexAttrib2f(int indx, float x, float y) {
		glVertexAttrib2f(indx, x, y);
	}

	public void vertexAttrib2fv(int indx, FloatBuffer values) {
		glVertexAttrib2fv(indx, values);
	}

	public void vertexAttrib3f(int indx, float x, float y, float z) {
		glVertexAttrib3f(indx, x, y, z);
	}

	public void vertexAttrib3fv(int indx, FloatBuffer values) {
		glVertexAttrib3fv(indx, values);
	}

	public void vertexAttrib4f(int indx, float x, float y, float z, float w) {
		glVertexAttrib4f(indx, x, y, z, w);
	}

	public void vertexAttrib4fv(int indx, FloatBuffer values) {
		glVertexAttrib4fv(indx, values);
	}

	public void vertexAttribPointer(int indx, int size, int type, boolean normalized, int stride,
	        Buffer ptr) {
		glVertexAttribPointer(indx, size, type, normalized, stride, ptr);
	}

	public void vertexAttribPointer(int indx, int size, int type, boolean normalized, int stride,
	        int ptr) {
		glVertexAttribPointer(indx, size, type, normalized, stride, ptr);
	}
}