/*
* Copyright (c) 2009-2015 jMonkeyEngine
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of 'jMonkeyEngine' nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.jme3.renderer.ios;
import com.jme3.renderer.RendererException;
import com.jme3.renderer.opengl.GL;
import com.jme3.renderer.opengl.GLExt;
import com.jme3.renderer.opengl.GLFbo;
import java.nio.Buffer;
import java.nio.BufferOverflowException;
import java.nio.ByteBuffer;
import java.nio.FloatBuffer;
import java.nio.IntBuffer;
import java.nio.ShortBuffer;
/**
* Implements OpenGL ES 2.0 for iOS.
*
* @author Kirill Vainer
*/
public class IosGL implements GL, GLExt, GLFbo {
private final int[] temp_array = new int[16];
public void resetStats() {
}
private static int getLimitBytes(ByteBuffer buffer) {
checkLimit(buffer);
return buffer.limit();
}
private static int getLimitBytes(ShortBuffer buffer) {
checkLimit(buffer);
return buffer.limit() * 2;
}
private static int getLimitBytes(IntBuffer buffer) {
checkLimit(buffer);
return buffer.limit() * 4;
}
private static int getLimitBytes(FloatBuffer buffer) {
checkLimit(buffer);
return buffer.limit() * 4;
}
private static int getLimitCount(Buffer buffer, int elementSize) {
checkLimit(buffer);
return buffer.limit() / elementSize;
}
@Override
public void glBlendEquationSeparate(int colorMode, int alphaMode) {
JmeIosGLES.glBlendEquationSeparate(colorMode, alphaMode);
}
private int toArray(IntBuffer buffer) {
int remain = buffer.remaining();
if (buffer.remaining() > 16) {
throw new ArrayIndexOutOfBoundsException();
}
int pos = buffer.position();
buffer.get(temp_array, 0, remain);
buffer.position(pos);
return remain;
}
private void fromArray(int n, int[] array, IntBuffer buffer) {
if (buffer.remaining() < n) {
throw new BufferOverflowException();
}
int pos = buffer.position();
buffer.put(array, 0, n);
buffer.position(pos);
}
private static void checkLimit(Buffer buffer) {
if (buffer == null) {
return;
}
if (buffer.limit() == 0) {
throw new RendererException("Attempting to upload empty buffer (limit = 0), that's an error");
}
if (buffer.remaining() == 0) {
throw new RendererException("Attempting to upload empty buffer (remaining = 0), that's an error");
}
}
public void glActiveTexture(int texture) {
JmeIosGLES.glActiveTexture(texture);
}
public void glAttachShader(int program, int shader) {
JmeIosGLES.glAttachShader(program, shader);
}
@Override
public void glBeginQuery(int target, int query) {
throw new UnsupportedOperationException("Today is not a good day for this");
}
public void glBindBuffer(int target, int buffer) {
JmeIosGLES.glBindBuffer(target, buffer);
}
public void glBindTexture(int target, int texture) {
JmeIosGLES.glBindTexture(target, texture);
}
public void glBlendFunc(int sfactor, int dfactor) {
JmeIosGLES.glBlendFunc(sfactor, dfactor);
}
public void glBlendFuncSeparate(int sfactorRGB, int dfactorRGB, int sfactorAlpha, int dfactorAlpha) {
JmeIosGLES.glBlendFuncSeparate(sfactorRGB, dfactorRGB, sfactorAlpha, dfactorAlpha);
}
public void glBufferData(int target, FloatBuffer data, int usage) {
JmeIosGLES.glBufferData(target, getLimitBytes(data), data, usage);
}
public void glBufferData(int target, ShortBuffer data, int usage) {
JmeIosGLES.glBufferData(target, getLimitBytes(data), data, usage);
}
public void glBufferData(int target, ByteBuffer data, int usage) {
JmeIosGLES.glBufferData(target, getLimitBytes(data), data, usage);
}
public void glBufferData(int target, long data_size, int usage) {
JmeIosGLES.glBufferData(target, (int) data_size, null, usage);
}
public void glBufferSubData(int target, long offset, FloatBuffer data) {
JmeIosGLES.glBufferSubData(target, (int) offset, getLimitBytes(data), data);
}
public void glBufferSubData(int target, long offset, ShortBuffer data) {
JmeIosGLES.glBufferSubData(target, (int) offset, getLimitBytes(data), data);
}
public void glBufferSubData(int target, long offset, ByteBuffer data) {
JmeIosGLES.glBufferSubData(target, (int) offset, getLimitBytes(data), data);
}
public void glGetBufferSubData(int target, long offset, ByteBuffer data) {
throw new UnsupportedOperationException("OpenGL ES 2 does not support glGetBufferSubData");
}
public void glClear(int mask) {
JmeIosGLES.glClear(mask);
}
public void glClearColor(float red, float green, float blue, float alpha) {
JmeIosGLES.glClearColor(red, green, blue, alpha);
}
public void glColorMask(boolean red, boolean green, boolean blue, boolean alpha) {
JmeIosGLES.glColorMask(red, green, blue, alpha);
}
public void glCompileShader(int shader) {
JmeIosGLES.glCompileShader(shader);
}
public void glCompressedTexImage2D(int target, int level, int internalformat, int width, int height, int border, ByteBuffer data) {
JmeIosGLES.glCompressedTexImage2D(target, level, internalformat, width, height, 0, getLimitBytes(data), data);
}
public void glCompressedTexSubImage2D(int target, int level, int xoffset, int yoffset, int width, int height, int format, ByteBuffer data) {
JmeIosGLES.glCompressedTexSubImage2D(target, level, xoffset, yoffset, width, height, format, getLimitBytes(data), data);
}
public int glCreateProgram() {
return JmeIosGLES.glCreateProgram();
}
public int glCreateShader(int shaderType) {
return JmeIosGLES.glCreateShader(shaderType);
}
public void glCullFace(int mode) {
JmeIosGLES.glCullFace(mode);
}
public void glDeleteBuffers(IntBuffer buffers) {
checkLimit(buffers);
int n = toArray(buffers);
JmeIosGLES.glDeleteBuffers(n, temp_array, 0);
}
public void glDeleteProgram(int program) {
JmeIosGLES.glDeleteProgram(program);
}
public void glDeleteShader(int shader) {
JmeIosGLES.glDeleteShader(shader);
}
public void glDeleteTextures(IntBuffer textures) {
checkLimit(textures);
int n = toArray(textures);
JmeIosGLES.glDeleteTextures(n, temp_array, 0);
}
public void glDepthFunc(int func) {
JmeIosGLES.glDepthFunc(func);
}
public void glDepthMask(boolean flag) {
JmeIosGLES.glDepthMask(flag);
}
public void glDepthRange(double nearVal, double farVal) {
JmeIosGLES.glDepthRangef((float)nearVal, (float)farVal);
}
public void glDetachShader(int program, int shader) {
JmeIosGLES.glDetachShader(program, shader);
}
public void glDisable(int cap) {
JmeIosGLES.glDisable(cap);
}
public void glDisableVertexAttribArray(int index) {
JmeIosGLES.glDisableVertexAttribArray(index);
}
public void glDrawArrays(int mode, int first, int count) {
JmeIosGLES.glDrawArrays(mode, first, count);
}
public void glDrawRangeElements(int mode, int start, int end, int count, int type, long indices) {
JmeIosGLES.glDrawElementsIndex(mode, count, type, (int)indices);
}
public void glEnable(int cap) {
JmeIosGLES.glEnable(cap);
}
public void glEnableVertexAttribArray(int index) {
JmeIosGLES.glEnableVertexAttribArray(index);
}
@Override
public void glEndQuery(int target) {
throw new UnsupportedOperationException("Today is not a good day for this");
}
public void glGenBuffers(IntBuffer buffers) {
checkLimit(buffers);
JmeIosGLES.glGenBuffers(buffers.remaining(), temp_array, 0);
fromArray(buffers.remaining(), temp_array, buffers);
}
public void glGenTextures(IntBuffer textures) {
checkLimit(textures);
JmeIosGLES.glGenTextures(textures.remaining(), temp_array, 0);
fromArray(textures.remaining(), temp_array, textures);
}
@Override
public void glGenQueries(int num, IntBuffer buff) {
throw new UnsupportedOperationException("Today is not a good day for this");
}
public int glGetAttribLocation(int program, String name) {
return JmeIosGLES.glGetAttribLocation(program, name);
}
public void glGetBoolean(int pname, ByteBuffer params) {
// TODO: fix me!!!
// JmeIosGLES.glGetBoolean(pname, params);
throw new UnsupportedOperationException("Today is not a good day for this");
}
public int glGetError() {
return JmeIosGLES.glGetError();
}
public void glGetInteger(int pname, IntBuffer params) {
checkLimit(params);
JmeIosGLES.glGetIntegerv(pname, temp_array, 0);
fromArray(params.remaining(), temp_array, params);
}
public void glGetProgram(int program, int pname, IntBuffer params) {
checkLimit(params);
JmeIosGLES.glGetProgramiv(program, pname, temp_array, 0);
fromArray(params.remaining(), temp_array, params);
}
public String glGetProgramInfoLog(int program, int maxLength) {
return JmeIosGLES.glGetProgramInfoLog(program);
}
@Override
public long glGetQueryObjectui64(int query, int pname) {
throw new UnsupportedOperationException("Today is not a good day for this");
}
@Override
public int glGetQueryObjectiv(int query, int pname) {
throw new UnsupportedOperationException("Today is not a good day for this");
}
public void glGetShader(int shader, int pname, IntBuffer params) {
checkLimit(params);
JmeIosGLES.glGetShaderiv(shader, pname, temp_array, 0);
fromArray(params.remaining(), temp_array, params);
}
public String glGetShaderInfoLog(int shader, int maxLength) {
return JmeIosGLES.glGetShaderInfoLog(shader);
}
public String glGetString(int name) {
return JmeIosGLES.glGetString(name);
}
public int glGetUniformLocation(int program, String name) {
return JmeIosGLES.glGetUniformLocation(program, name);
}
public boolean glIsEnabled(int cap) {
// TODO: fix me!!!
if (cap == GLExt.GL_MULTISAMPLE_ARB) {
return true;
} else {
throw new UnsupportedOperationException();
}
}
public void glLineWidth(float width) {
JmeIosGLES.glLineWidth(width);
}
public void glLinkProgram(int program) {
JmeIosGLES.glLinkProgram(program);
}
public void glPixelStorei(int pname, int param) {
JmeIosGLES.glPixelStorei(pname, param);
}
public void glPolygonOffset(float factor, float units) {
JmeIosGLES.glPolygonOffset(factor, units);
}
public void glReadPixels(int x, int y, int width, int height, int format, int type, ByteBuffer data) {
JmeIosGLES.glReadPixels(x, y, width, height, format, type, data);
}
public void glScissor(int x, int y, int width, int height) {
JmeIosGLES.glScissor(x, y, width, height);
}
public void glShaderSource(int shader, String[] string, IntBuffer length) {
if (string.length != 1) {
throw new UnsupportedOperationException("Today is not a good day");
}
JmeIosGLES.glShaderSource(shader, string[0]);
}
public void glStencilFuncSeparate(int face, int func, int ref, int mask) {
// TODO: fix me!!!
// JmeIosGLES.glStencilFuncSeparate(face, func, ref, mask);
}
public void glStencilOpSeparate(int face, int sfail, int dpfail, int dppass) {
// TODO: fix me!!!
// JmeIosGLES.glStencilOpSeparate(face, sfail, dpfail, dppass);
}
public void glTexImage2D(int target, int level, int internalFormat, int width, int height, int border, int format, int type, ByteBuffer data) {
JmeIosGLES.glTexImage2D(target, level, format, width, height, 0, format, type, data);
}
public void glTexParameterf(int target, int pname, float param) {
// TODO: fix me!!!
// JmeIosGLES.glTexParameterf(target, pname, param);
}
public void glTexParameteri(int target, int pname, int param) {
JmeIosGLES.glTexParameteri(target, pname, param);
}
public void glTexSubImage2D(int target, int level, int xoffset, int yoffset, int width, int height, int format, int type, ByteBuffer data) {
JmeIosGLES.glTexSubImage2D(target, level, xoffset, yoffset, width, height, format, type, data);
}
public void glUniform1(int location, FloatBuffer value) {
JmeIosGLES.glUniform1fv(location, getLimitCount(value, 1), value);
}
public void glUniform1(int location, IntBuffer value) {
JmeIosGLES.glUniform1iv(location, getLimitCount(value, 1), value);
}
public void glUniform1f(int location, float v0) {
JmeIosGLES.glUniform1f(location, v0);
}
public void glUniform1i(int location, int v0) {
JmeIosGLES.glUniform1i(location, v0);
}
public void glUniform2(int location, IntBuffer value) {
// TODO: fix me!!!
// JmeIosGLES.glUniform2iv(location, getLimitCount(value, 2), value);
throw new UnsupportedOperationException();
}
public void glUniform2(int location, FloatBuffer value) {
JmeIosGLES.glUniform2fv(location, getLimitCount(value, 2), value);
}
public void glUniform2f(int location, float v0, float v1) {
JmeIosGLES.glUniform2f(location, v0, v1);
}
public void glUniform3(int location, IntBuffer value) {
// TODO: fix me!!!
// JmeIosGLES.glUniform3iv(location, getLimitCount(value, 3), value);
throw new UnsupportedOperationException();
}
public void glUniform3(int location, FloatBuffer value) {
JmeIosGLES.glUniform3fv(location, getLimitCount(value, 3), value);
}
public void glUniform3f(int location, float v0, float v1, float v2) {
JmeIosGLES.glUniform3f(location, v0, v1, v2);
}
public void glUniform4(int location, FloatBuffer value) {
JmeIosGLES.glUniform4fv(location, getLimitCount(value, 4), value);
}
public void glUniform4(int location, IntBuffer value) {
// TODO: fix me!!!
// JmeIosGLES.glUniform4iv(location, getLimitCount(value, 4), value);
throw new UnsupportedOperationException();
}
public void glUniform4f(int location, float v0, float v1, float v2, float v3) {
JmeIosGLES.glUniform4f(location, v0, v1, v2, v3);
}
public void glUniformMatrix3(int location, boolean transpose, FloatBuffer value) {
JmeIosGLES.glUniformMatrix3fv(location, getLimitCount(value, 3 * 3), transpose, value);
}
public void glUniformMatrix4(int location, boolean transpose, FloatBuffer value) {
JmeIosGLES.glUniformMatrix4fv(location, getLimitCount(value, 4 * 4), transpose, value);
}
public void glUseProgram(int program) {
JmeIosGLES.glUseProgram(program);
}
public void glVertexAttribPointer(int index, int size, int type, boolean normalized, int stride, long pointer) {
JmeIosGLES.glVertexAttribPointer2(index, size, type, normalized, stride, (int)pointer);
}
public void glViewport(int x, int y, int width, int height) {
JmeIosGLES.glViewport(x, y, width, height);
}
public void glBlitFramebufferEXT(int srcX0, int srcY0, int srcX1, int srcY1, int dstX0, int dstY0, int dstX1, int dstY1, int mask, int filter) {
throw new UnsupportedOperationException("FBO blit not available on iOS");
}
public void glBufferData(int target, IntBuffer data, int usage) {
JmeIosGLES.glBufferData(target, getLimitBytes(data), data, usage);
}
public void glBufferSubData(int target, long offset, IntBuffer data) {
JmeIosGLES.glBufferSubData(target, (int)offset, getLimitBytes(data), data);
}
public void glDrawArraysInstancedARB(int mode, int first, int count, int primcount) {
throw new UnsupportedOperationException("Instancing not available on iOS");
}
public void glDrawBuffers(IntBuffer bufs) {
throw new UnsupportedOperationException("MRT not available on iOS");
}
public void glDrawElementsInstancedARB(int mode, int indices_count, int type, long indices_buffer_offset, int primcount) {
throw new UnsupportedOperationException("Instancing not available on iOS");
}
public void glGetMultisample(int pname, int index, FloatBuffer val) {
throw new UnsupportedOperationException("Multisample renderbuffers not available on iOS");
}
public void glRenderbufferStorageMultisampleEXT(int target, int samples, int internalformat, int width, int height) {
throw new UnsupportedOperationException("Multisample renderbuffers not available on iOS");
}
public void glTexImage2DMultisample(int target, int samples, int internalformat, int width, int height, boolean fixedsamplelocations) {
throw new UnsupportedOperationException("Multisample textures not available on iOS");
}
public void glVertexAttribDivisorARB(int index, int divisor) {
throw new UnsupportedOperationException("Instancing not available on iOS");
}
public void glBindFramebufferEXT(int param1, int param2) {
JmeIosGLES.glBindFramebuffer(param1, param2);
}
public void glBindRenderbufferEXT(int param1, int param2) {
JmeIosGLES.glBindRenderbuffer(param1, param2);
}
public int glCheckFramebufferStatusEXT(int param1) {
return JmeIosGLES.glCheckFramebufferStatus(param1);
}
public void glDeleteFramebuffersEXT(IntBuffer param1) {
checkLimit(param1);
int n = toArray(param1);
JmeIosGLES.glDeleteFramebuffers(n, temp_array, 0);
}
public void glDeleteRenderbuffersEXT(IntBuffer param1) {
checkLimit(param1);
int n = toArray(param1);
JmeIosGLES.glDeleteRenderbuffers(n, temp_array, 0);
}
public void glFramebufferRenderbufferEXT(int param1, int param2, int param3, int param4) {
JmeIosGLES.glFramebufferRenderbuffer(param1, param2, param3, param4);
}
public void glFramebufferTexture2DEXT(int param1, int param2, int param3, int param4, int param5) {
JmeIosGLES.glFramebufferTexture2D(param1, param2, param3, param4, param5);
}
public void glGenFramebuffersEXT(IntBuffer param1) {
checkLimit(param1);
JmeIosGLES.glGenFramebuffers(param1.remaining(), temp_array, 0);
fromArray(param1.remaining(), temp_array, param1);
}
public void glGenRenderbuffersEXT(IntBuffer param1) {
checkLimit(param1);
JmeIosGLES.glGenRenderbuffers(param1.remaining(), temp_array, 0);
fromArray(param1.remaining(), temp_array, param1);
}
public void glGenerateMipmapEXT(int param1) {
JmeIosGLES.glGenerateMipmap(param1);
}
public void glRenderbufferStorageEXT(int param1, int param2, int param3, int param4) {
JmeIosGLES.glRenderbufferStorage(param1, param2, param3, param4);
}
@Override
public void glReadPixels(int x, int y, int width, int height, int format, int type, long offset) {
// TODO: no offset???
JmeIosGLES.glReadPixels(x, y, width, height, format, type, null);
}
@Override
public int glClientWaitSync(Object sync, int flags, long timeout) {
throw new UnsupportedOperationException("OpenGL ES 2 does not support sync fences");
}
@Override
public void glDeleteSync(Object sync) {
throw new UnsupportedOperationException("OpenGL ES 2 does not support sync fences");
}
@Override
public Object glFenceSync(int condition, int flags) {
throw new UnsupportedOperationException("OpenGL ES 2 does not support sync fences");
}
}