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The PlayN Java (JVM) backend hosted by LWJGL
/*******************************************************************************
* 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.
******************************************************************************/
package playn.java;
import java.io.UnsupportedEncodingException;
import java.nio.Buffer;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.DoubleBuffer;
import java.nio.FloatBuffer;
import java.nio.IntBuffer;
import java.nio.ShortBuffer;
import org.lwjgl.BufferUtils;
import org.lwjgl.MemoryUtil;
import org.lwjgl.opengl.EXTFramebufferObject;
import org.lwjgl.opengl.GL11;
import org.lwjgl.opengl.GL12;
import org.lwjgl.opengl.GL13;
import org.lwjgl.opengl.GL14;
import org.lwjgl.opengl.GL15;
import org.lwjgl.opengl.GL20;
import org.lwjgl.opengl.GL30;
import org.lwjgl.opengl.GL41;
/**
* An implementation of the {@link GL20} interface based on LWJGL.
*
* Based on LIBGDX code by mzechner. Some code from LWJGL's GLES20.java
*
* @author mzechner
*/
final class LWJGLGL20 extends playn.core.GL20 {
public LWJGLGL20() {
super(new Buffers() {
public ByteBuffer createByteBuffer(int size) {
return BufferUtils.createByteBuffer(size);
}
}, Boolean.getBoolean("playn.glerrors"));
}
public void glActiveTexture(int texture) {
GL13.glActiveTexture(texture);
}
@Override
public void glAttachShader(int program, int shader) {
GL20.glAttachShader(program, shader);
}
@Override
public void glBindAttribLocation(int program, int index, String name) {
GL20.glBindAttribLocation(program, index, name);
}
@Override
public void glBindBuffer(int target, int buffer) {
GL15.glBindBuffer(target, buffer);
}
@Override
public void glBindFramebuffer(int target, int framebuffer) {
EXTFramebufferObject.glBindFramebufferEXT(target, framebuffer);
}
@Override
public void glBindRenderbuffer(int target, int renderbuffer) {
EXTFramebufferObject.glBindRenderbufferEXT(target, renderbuffer);
}
@Override
public void glBindTexture(int target, int texture) {
GL11.glBindTexture(target, texture);
}
@Override
public void glBlendColor(float red, float green, float blue, float alpha) {
GL14.glBlendColor(red, green, blue, alpha);
}
@Override
public void glBlendEquation(int mode) {
GL14.glBlendEquation(mode);
}
@Override
public void glBlendEquationSeparate(int modeRGB, int modeAlpha) {
GL20.glBlendEquationSeparate(modeRGB, modeAlpha);
}
@Override
public void glBlendFunc(int sfactor, int dfactor) {
GL11.glBlendFunc(sfactor, dfactor);
}
@Override
public void glBlendFuncSeparate(int srcRGB, int dstRGB, int srcAlpha,
int dstAlpha) {
GL14.glBlendFuncSeparate(srcRGB, dstRGB, srcAlpha, dstAlpha);
}
@Override
public void glBufferData(int target, int size, Buffer data, int usage) {
if (data == null) {
GL15.glBufferData(target, size, usage);
return;
}
// Limit the buffer to the given size, restoring it afterwards
int oldLimit = data.limit();
if (data instanceof ByteBuffer) {
ByteBuffer subData = (ByteBuffer)data;
subData.limit(subData.position() + size);
GL15.glBufferData(target, subData, usage);
} else if (data instanceof IntBuffer) {
IntBuffer subData = (IntBuffer)data;
subData.limit(subData.position() + size/4);
GL15.glBufferData(target, subData, usage);
} else if (data instanceof FloatBuffer) {
FloatBuffer subData = (FloatBuffer)data;
subData.limit(subData.position() + size/4);
GL15.glBufferData(target, subData, usage);
} else if (data instanceof DoubleBuffer) {
DoubleBuffer subData = (DoubleBuffer)data;
subData.limit(subData.position() + size/8);
GL15.glBufferData(target, subData, usage);
} else if (data instanceof ShortBuffer) {
ShortBuffer subData = (ShortBuffer)data;
subData.limit(subData.position() + size/2);
GL15.glBufferData(target, subData, usage);
}
data.limit(oldLimit);
}
@Override
public void glBufferSubData(int target, int offset, int size, Buffer data) {
// Limit the buffer to the given size, restoring it afterwards
int oldLimit = data.limit();
if (data instanceof ByteBuffer) {
ByteBuffer subData = (ByteBuffer)data;
subData.limit(subData.position() + size);
GL15.glBufferSubData(target, offset, subData);
} else if (data instanceof IntBuffer) {
IntBuffer subData = (IntBuffer)data;
subData.limit(subData.position() + size/4);
GL15.glBufferSubData(target, offset, subData);
} else if (data instanceof FloatBuffer) {
FloatBuffer subData = (FloatBuffer)data;
subData.limit(subData.position() + size/4);
GL15.glBufferSubData(target, offset, subData);
} else if (data instanceof DoubleBuffer) {
DoubleBuffer subData = (DoubleBuffer)data;
subData.limit(subData.position() + size/8);
GL15.glBufferSubData(target, offset, subData);
} else if (data instanceof ShortBuffer) {
ShortBuffer subData = (ShortBuffer)data;
subData.limit(subData.position() + size/2);
GL15.glBufferSubData(target, offset, subData);
}
data.limit(oldLimit);
}
public int glCheckFramebufferStatus(int target) {
return EXTFramebufferObject.glCheckFramebufferStatusEXT(target);
}
@Override
public void glClear(int mask) {
GL11.glClear(mask);
}
@Override
public void glClearColor(float red, float green, float blue, float alpha) {
GL11.glClearColor(red, green, blue, alpha);
}
@Override
public void glClearDepthf(float depth) {
GL11.glClearDepth(depth);
}
@Override
public void glClearStencil(int s) {
GL11.glClearStencil(s);
}
@Override
public void glColorMask(boolean red, boolean green, boolean blue,
boolean alpha) {
GL11.glColorMask(red, green, blue, alpha);
}
@Override
public void glCompileShader(int shader) {
GL20.glCompileShader(shader);
}
@Override public void glCompressedTexImage2D (int target, int level, int internalformat,
int width, int height, int border,
int imageSize, Buffer data) {
throw new UnsupportedOperationException("not implemented");
}
@Override public void glCompressedTexSubImage2D (int target, int level, int xoffset, int yoffset,
int width, int height, int format,
int imageSize, Buffer data) {
throw new UnsupportedOperationException("not implemented");
}
@Override
public void glCopyTexImage2D(int target, int level, int internalformat,
int x, int y, int width, int height, int border) {
GL11.glCopyTexImage2D(target, level, internalformat, x, y, width,
height, border);
}
@Override
public void glCopyTexSubImage2D(int target, int level, int xoffset,
int yoffset, int x, int y, int width, int height) {
GL11.glCopyTexSubImage2D(target, level, xoffset, yoffset, x, y, width,
height);
}
@Override
public int glCreateProgram() {
return GL20.glCreateProgram();
}
@Override
public int glCreateShader(int type) {
return GL20.glCreateShader(type);
}
@Override
public void glCullFace(int mode) {
GL11.glCullFace(mode);
}
@Override
public void glDeleteBuffers(int n, IntBuffer buffers) {
GL15.glDeleteBuffers(buffers);
}
@Override
public void glDeleteFramebuffers(int n, IntBuffer framebuffers) {
EXTFramebufferObject.glDeleteFramebuffersEXT(framebuffers);
}
@Override
public void glDeleteProgram(int program) {
GL20.glDeleteProgram(program);
}
@Override
public void glDeleteRenderbuffers(int n, IntBuffer renderbuffers) {
EXTFramebufferObject.glDeleteRenderbuffersEXT(renderbuffers);
}
@Override
public void glDeleteShader(int shader) {
GL20.glDeleteShader(shader);
}
@Override
public void glDeleteTextures(int n, IntBuffer textures) {
GL11.glDeleteTextures(textures);
}
@Override
public void glDepthFunc(int func) {
GL11.glDepthFunc(func);
}
@Override
public void glDepthMask(boolean flag) {
GL11.glDepthMask(flag);
}
@Override
public void glDepthRangef(float zNear, float zFar) {
GL11.glDepthRange(zNear, zFar);
}
@Override
public void glDetachShader(int program, int shader) {
GL20.glDetachShader(program, shader);
}
@Override
public void glDisable(int cap) {
GL11.glDisable(cap);
}
@Override
public void glDisableVertexAttribArray(int index) {
GL20.glDisableVertexAttribArray(index);
}
@Override
public void glDrawArrays(int mode, int first, int count) {
GL11.glDrawArrays(mode, first, count);
}
@Override
public void glDrawElements(int mode, int count, int type, Buffer indices) {
if (indices instanceof ShortBuffer && type == GL_UNSIGNED_SHORT)
GL11.glDrawElements(mode, (ShortBuffer) indices);
else if (indices instanceof ByteBuffer && type == GL_UNSIGNED_SHORT)
GL11.glDrawElements(mode, ((ByteBuffer) indices).asShortBuffer()); // FIXME
// yay...
else if (indices instanceof ByteBuffer && type == GL_UNSIGNED_BYTE)
GL11.glDrawElements(mode, (ByteBuffer) indices);
else
throw new RuntimeException(
"Can't use "
+ indices.getClass().getName()
+ " with this method. Use ShortBuffer or ByteBuffer instead. Blame LWJGL");
}
@Override
public void glEnable(int cap) {
GL11.glEnable(cap);
}
@Override
public void glEnableVertexAttribArray(int index) {
GL20.glEnableVertexAttribArray(index);
}
@Override
public void glFinish() {
GL11.glFinish();
}
@Override
public void glFlush() {
GL11.glFlush();
}
@Override
public void glFramebufferRenderbuffer(int target, int attachment,
int renderbuffertarget, int renderbuffer) {
EXTFramebufferObject.glFramebufferRenderbufferEXT(
target, attachment, renderbuffertarget, renderbuffer);
}
@Override
public void glFramebufferTexture2D(int target, int attachment,
int textarget, int texture, int level) {
EXTFramebufferObject.glFramebufferTexture2DEXT(
target, attachment, textarget, texture, level);
}
@Override
public void glFrontFace(int mode) {
GL11.glFrontFace(mode);
}
@Override
public void glGenBuffers(int n, IntBuffer buffers) {
GL15.glGenBuffers(buffers);
}
@Override
public void glGenFramebuffers(int n, IntBuffer framebuffers) {
EXTFramebufferObject.glGenFramebuffersEXT(framebuffers);
}
@Override
public void glGenRenderbuffers(int n, IntBuffer renderbuffers) {
EXTFramebufferObject.glGenRenderbuffersEXT(renderbuffers);
}
@Override
public void glGenTextures(int n, IntBuffer textures) {
GL11.glGenTextures(textures);
}
@Override
public void glGenerateMipmap(int target) {
EXTFramebufferObject.glGenerateMipmapEXT(target);
}
@Override
public int glGetAttribLocation(int program, String name) {
return GL20.glGetAttribLocation(program, name);
}
@Override
public void glGetBufferParameteriv(int target, int pname, IntBuffer params) {
GL15.glGetBufferParameter(target, pname, params);
}
@Override
public int glGetError() {
return GL11.glGetError();
}
@Override
public void glGetFloatv(int pname, FloatBuffer params) {
GL11.glGetFloat(pname, params);
}
@Override
public void glGetFramebufferAttachmentParameteriv(int target, int attachment, int pname,
IntBuffer params) {
EXTFramebufferObject.glGetFramebufferAttachmentParameterEXT(
target, attachment, pname, params);
}
@Override
public void glGetIntegerv(int pname, IntBuffer params) {
GL11.glGetInteger(pname, params);
}
@Override
public String glGetProgramInfoLog(int program) {
ByteBuffer buffer = ByteBuffer.allocateDirect(1024 * 10);
buffer.order(ByteOrder.nativeOrder());
ByteBuffer tmp = ByteBuffer.allocateDirect(4);
tmp.order(ByteOrder.nativeOrder());
IntBuffer intBuffer = tmp.asIntBuffer();
GL20.glGetProgramInfoLog(program, intBuffer, buffer);
int numBytes = intBuffer.get(0);
byte[] bytes = new byte[numBytes];
buffer.get(bytes);
return new String(bytes);
}
@Override
public void glGetProgramiv(int program, int pname, IntBuffer params) {
GL20.glGetProgram(program, pname, params);
}
@Override
public void glGetRenderbufferParameteriv(int target, int pname, IntBuffer params) {
EXTFramebufferObject.glGetRenderbufferParameterEXT(
target, pname, params);
}
@Override
public String glGetShaderInfoLog(int shader) {
ByteBuffer buffer = ByteBuffer.allocateDirect(1024 * 10);
buffer.order(ByteOrder.nativeOrder());
ByteBuffer tmp = ByteBuffer.allocateDirect(4);
tmp.order(ByteOrder.nativeOrder());
IntBuffer intBuffer = tmp.asIntBuffer();
GL20.glGetShaderInfoLog(shader, intBuffer, buffer);
int numBytes = intBuffer.get(0);
byte[] bytes = new byte[numBytes];
buffer.get(bytes);
return new String(bytes);
}
@Override
public void glGetShaderPrecisionFormat(int shadertype, int precisiontype,
IntBuffer range, IntBuffer precision) {
glGetShaderPrecisionFormat(shadertype, precisiontype, range, precision);
}
@Override
public void glGetShaderiv(int shader, int pname, IntBuffer params) {
GL20.glGetShader(shader, pname, params);
}
@Override
public String glGetString(int name) {
return GL11.glGetString(name);
}
@Override
public void glGetTexParameterfv(int target, int pname, FloatBuffer params) {
GL11.glGetTexParameter(target, pname, params);
}
@Override
public void glGetTexParameteriv(int target, int pname, IntBuffer params) {
GL11.glGetTexParameter(target, pname, params);
}
@Override
public int glGetUniformLocation(int program, String name) {
return GL20.glGetUniformLocation(program, name);
}
@Override
public void glGetUniformfv(int program, int location, FloatBuffer params) {
GL20.glGetUniform(program, location, params);
}
@Override
public void glGetUniformiv(int program, int location, IntBuffer params) {
GL20.glGetUniform(program, location, params);
}
@Override
public void glGetVertexAttribfv(int index, int pname, FloatBuffer params) {
GL20.glGetVertexAttrib(index, pname, params);
}
@Override
public void glGetVertexAttribiv(int index, int pname, IntBuffer params) {
GL20.glGetVertexAttrib(index, pname, params);
}
@Override
public void glHint(int target, int mode) {
GL11.glHint(target, mode);
}
@Override
public boolean glIsBuffer(int buffer) {
return GL15.glIsBuffer(buffer);
}
@Override
public boolean glIsEnabled(int cap) {
return GL11.glIsEnabled(cap);
}
@Override
public boolean glIsFramebuffer(int framebuffer) {
return EXTFramebufferObject.glIsFramebufferEXT(framebuffer);
}
@Override
public boolean glIsProgram(int program) {
return GL20.glIsProgram(program);
}
@Override
public boolean glIsRenderbuffer(int renderbuffer) {
return EXTFramebufferObject.glIsRenderbufferEXT(renderbuffer);
}
@Override
public boolean glIsShader(int shader) {
return GL20.glIsShader(shader);
}
@Override
public boolean glIsTexture(int texture) {
return GL11.glIsTexture(texture);
}
@Override
public void glLineWidth(float width) {
GL11.glLineWidth(width);
}
@Override
public void glLinkProgram(int program) {
GL20.glLinkProgram(program);
}
@Override
public void glPixelStorei(int pname, int param) {
GL11.glPixelStorei(pname, param);
}
@Override
public void glPolygonOffset(float factor, float units) {
GL11.glPolygonOffset(factor, units);
}
@Override
public void glReadPixels(int x, int y, int width, int height, int format, int type,
Buffer pixels) {
if (pixels instanceof ByteBuffer)
GL11.glReadPixels(x, y, width, height, format, type,
(ByteBuffer) pixels);
else if (pixels instanceof ShortBuffer)
GL11.glReadPixels(x, y, width, height, format, type,
(ShortBuffer) pixels);
else if (pixels instanceof IntBuffer)
GL11.glReadPixels(x, y, width, height, format, type,
(IntBuffer) pixels);
else if (pixels instanceof FloatBuffer)
GL11.glReadPixels(x, y, width, height, format, type,
(FloatBuffer) pixels);
else
throw new RuntimeException(
"Can't use " + pixels.getClass().getName() + " with this method. Use ByteBuffer, " +
"ShortBuffer, IntBuffer or FloatBuffer instead. Blame LWJGL");
}
@Override public void glReleaseShaderCompiler () {
// nothing to do here
}
@Override
public void glRenderbufferStorage(int target, int internalformat, int width, int height) {
EXTFramebufferObject.glRenderbufferStorageEXT(target, internalformat, width, height);
}
@Override
public void glSampleCoverage(float value, boolean invert) {
GL13.glSampleCoverage(value, invert);
}
@Override
public void glScissor(int x, int y, int width, int height) {
GL11.glScissor(x, y, width, height);
}
@Override public void glShaderBinary (int n, IntBuffer shaders, int binaryformat, Buffer binary,
int length) {
throw new UnsupportedOperationException("unsupported, won't implement");
}
@Override
public void glShaderSource(int shader, String string) {
GL20.glShaderSource(shader, string);
}
@Override
public void glStencilFunc(int func, int ref, int mask) {
GL11.glStencilFunc(func, ref, mask);
}
@Override
public void glStencilFuncSeparate(int face, int func, int ref, int mask) {
GL20.glStencilFuncSeparate(face, func, ref, mask);
}
@Override
public void glStencilMask(int mask) {
GL11.glStencilMask(mask);
}
@Override
public void glStencilMaskSeparate(int face, int mask) {
GL20.glStencilMaskSeparate(face, mask);
}
@Override
public void glStencilOp(int fail, int zfail, int zpass) {
GL11.glStencilOp(fail, zfail, zpass);
}
@Override
public void glStencilOpSeparate(int face, int fail, int zfail, int zpass) {
GL20.glStencilOpSeparate(face, fail, zfail, zpass);
}
@Override
public void glTexImage2D(int target, int level, int internalformat,
int width, int height, int border, int format, int type,
Buffer pixels) {
if (pixels instanceof ByteBuffer || pixels == null)
GL11.glTexImage2D(target, level, internalformat, width, height,
border, format, type, (ByteBuffer) pixels);
else if (pixels instanceof ShortBuffer)
GL11.glTexImage2D(target, level, internalformat, width, height,
border, format, type, (ShortBuffer) pixels);
else if (pixels instanceof IntBuffer)
GL11.glTexImage2D(target, level, internalformat, width, height,
border, format, type, (IntBuffer) pixels);
else if (pixels instanceof FloatBuffer)
GL11.glTexImage2D(target, level, internalformat, width, height,
border, format, type, (FloatBuffer) pixels);
else if (pixels instanceof DoubleBuffer)
GL11.glTexImage2D(target, level, internalformat, width, height,
border, format, type, (DoubleBuffer) pixels);
else
throw new RuntimeException(
"Can't use " + pixels.getClass().getName() + " with this method. Use ByteBuffer, " +
"ShortBuffer, IntBuffer, FloatBuffer or DoubleBuffer instead. Blame LWJGL");
}
@Override
public void glTexParameterf(int target, int pname, float param) {
GL11.glTexParameterf(target, pname, param);
}
@Override
public void glTexParameterfv(int target, int pname, FloatBuffer params) {
GL11.glTexParameter(target, pname, params);
}
@Override
public void glTexParameteri(int target, int pname, int param) {
GL11.glTexParameteri(target, pname, param);
}
@Override
public void glTexParameteriv(int target, int pname, IntBuffer params) {
GL11.glTexParameter(target, pname, params);
}
@Override
public void glTexSubImage2D(int target, int level, int xoffset,
int yoffset, int width, int height, int format, int type,
Buffer pixels) {
if (pixels instanceof ByteBuffer)
GL11.glTexSubImage2D(target, level, xoffset, yoffset, width,
height, format, type, (ByteBuffer) pixels);
else if (pixels instanceof ShortBuffer)
GL11.glTexSubImage2D(target, level, xoffset, yoffset, width,
height, format, type, (ShortBuffer) pixels);
else if (pixels instanceof IntBuffer)
GL11.glTexSubImage2D(target, level, xoffset, yoffset, width,
height, format, type, (IntBuffer) pixels);
else if (pixels instanceof FloatBuffer)
GL11.glTexSubImage2D(target, level, xoffset, yoffset, width,
height, format, type, (FloatBuffer) pixels);
else if (pixels instanceof DoubleBuffer)
GL11.glTexSubImage2D(target, level, xoffset, yoffset, width,
height, format, type, (DoubleBuffer) pixels);
else
throw new RuntimeException(
"Can't use " + pixels.getClass().getName() + " with this method. Use ByteBuffer, " +
"ShortBuffer, IntBuffer, FloatBuffer or DoubleBuffer instead. Blame LWJGL");
}
@Override
public void glUniform1f(int location, float x) {
GL20.glUniform1f(location, x);
}
@Override
public void glUniform1fv(int location, int count, FloatBuffer buffer) {
int oldLimit = buffer.limit();
buffer.limit(buffer.position() + count);
GL20.glUniform1(location, buffer);
buffer.limit(oldLimit);
}
@Override
public void glUniform1i(int location, int x) {
GL20.glUniform1i(location, x);
}
@Override
public void glUniform1iv(int location, int count, IntBuffer buffer) {
int oldLimit = buffer.limit();
buffer.limit(buffer.position() + count);
GL20.glUniform1(location, buffer);
buffer.limit(oldLimit);
}
@Override
public void glUniform2f(int location, float x, float y) {
GL20.glUniform2f(location, x, y);
}
@Override
public void glUniform2fv(int location, int count, FloatBuffer buffer) {
int oldLimit = buffer.limit();
buffer.limit(buffer.position() + 2*count);
GL20.glUniform2(location, buffer);
buffer.limit(oldLimit);
}
@Override
public void glUniform2i(int location, int x, int y) {
GL20.glUniform2i(location, x, y);
}
@Override
public void glUniform2iv(int location, int count, IntBuffer buffer) {
int oldLimit = buffer.limit();
buffer.limit(buffer.position() + 2*count);
GL20.glUniform2(location, buffer);
buffer.limit(oldLimit);
}
@Override
public void glUniform3f(int location, float x, float y, float z) {
GL20.glUniform3f(location, x, y, z);
}
@Override
public void glUniform3fv(int location, int count, FloatBuffer buffer) {
int oldLimit = buffer.limit();
buffer.limit(buffer.position() + 3*count);
GL20.glUniform3(location, buffer);
buffer.limit(oldLimit);
}
@Override
public void glUniform3i(int location, int x, int y, int z) {
GL20.glUniform3i(location, x, y, z);
}
@Override
public void glUniform3iv(int location, int count, IntBuffer buffer) {
int oldLimit = buffer.limit();
buffer.limit(buffer.position() + 3*count);
GL20.glUniform3(location, buffer);
buffer.limit(oldLimit);
}
@Override
public void glUniform4f(int location, float x, float y, float z, float w) {
GL20.glUniform4f(location, x, y, z, w);
}
@Override
public void glUniform4fv(int location, int count, FloatBuffer buffer) {
int oldLimit = buffer.limit();
buffer.limit(buffer.position() + 4*count);
GL20.glUniform4(location, buffer);
buffer.limit(oldLimit);
}
@Override
public void glUniform4i(int location, int x, int y, int z, int w) {
GL20.glUniform4i(location, x, y, z, w);
}
@Override
public void glUniform4iv(int location, int count, IntBuffer buffer) {
int oldLimit = buffer.limit();
buffer.limit(buffer.position() + 4*count);
GL20.glUniform4(location, buffer);
buffer.limit(oldLimit);
}
@Override
public void glUniformMatrix2fv(int location, int count, boolean transpose, FloatBuffer buffer) {
int oldLimit = buffer.limit();
buffer.limit(buffer.position() + 2*2*count);
GL20.glUniformMatrix2(location, transpose, buffer);
buffer.limit(oldLimit);
}
@Override
public void glUniformMatrix3fv(int location, int count, boolean transpose, FloatBuffer buffer) {
int oldLimit = buffer.limit();
buffer.limit(buffer.position() + 3*3*count);
GL20.glUniformMatrix3(location, transpose, buffer);
buffer.limit(oldLimit);
}
@Override
public void glUniformMatrix4fv(int location, int count, boolean transpose, FloatBuffer buffer) {
int oldLimit = buffer.limit();
buffer.limit(buffer.position() + 4*4*count);
GL20.glUniformMatrix4(location, transpose, buffer);
buffer.limit(oldLimit);
}
@Override
public void glUseProgram(int program) {
GL20.glUseProgram(program);
}
@Override
public void glValidateProgram(int program) {
GL20.glValidateProgram(program);
}
@Override
public void glVertexAttrib1f(int indx, float x) {
GL20.glVertexAttrib1f(indx, x);
}
@Override
public void glVertexAttrib1fv(int indx, FloatBuffer values) {
GL20.glVertexAttrib1f(indx, values.get());
}
@Override
public void glVertexAttrib2f(int indx, float x, float y) {
GL20.glVertexAttrib2f(indx, x, y);
}
@Override
public void glVertexAttrib2fv(int indx, FloatBuffer values) {
GL20.glVertexAttrib2f(indx, values.get(), values.get());
}
@Override
public void glVertexAttrib3f(int indx, float x, float y, float z) {
GL20.glVertexAttrib3f(indx, x, y, z);
}
@Override
public void glVertexAttrib3fv(int indx, FloatBuffer values) {
GL20.glVertexAttrib3f(indx, values.get(), values.get(), values.get());
}
@Override
public void glVertexAttrib4f(int indx, float x, float y, float z, float w) {
GL20.glVertexAttrib4f(indx, x, y, z, w);
}
@Override
public void glVertexAttrib4fv(int indx, FloatBuffer values) {
GL20.glVertexAttrib4f(indx, values.get(), values.get(), values.get(),
values.get());
}
@Override
public void glVertexAttribPointer(int indx, int size, int type, boolean normalized, int stride,
Buffer ptr) {
// GL20.glVertexAttribPointer(indx, size, type, normalized, stride,
// BufferUtils.getOffset(ptr));
if (ptr instanceof FloatBuffer) {
GL20.glVertexAttribPointer(indx, size, normalized, stride, (FloatBuffer) ptr);
} else if (ptr instanceof ByteBuffer) {
switch (type) {
case GL_BYTE:
GL20.glVertexAttribPointer(indx, size, false, normalized, stride, ((ByteBuffer) ptr));
break;
case GL_FLOAT:
GL20.glVertexAttribPointer(indx, size, normalized, stride,
((ByteBuffer) ptr).asFloatBuffer());
break;
case GL_UNSIGNED_BYTE:
GL20.glVertexAttribPointer(indx, size, true, normalized, stride, (ByteBuffer) ptr);
break;
case GL_UNSIGNED_SHORT:
GL20.glVertexAttribPointer(indx, size, true, normalized, stride, (ByteBuffer) ptr);
break;
case GL_SHORT:
GL20.glVertexAttribPointer(indx, size, false, normalized, stride, (ByteBuffer) ptr);
break;
default:
throw new RuntimeException("NYI for type " + Integer.toHexString(type));
}
} else if (ptr instanceof ShortBuffer) {
throw new RuntimeException("LWJGL does not support short buffers in glVertexAttribPointer.");
} else {
throw new RuntimeException("NYI for " + ptr.getClass());
}
}
@Override
public void glViewport(int x, int y, int width, int height) {
GL11.glViewport(x, y, width, height);
}
@Override
public void glDrawElements(int mode, int count, int type, int indices) {
GL11.glDrawElements(mode, count, type, indices);
}
@Override
public void glVertexAttribPointer(int indx, int size, int type,
boolean normalized, int stride, int ptr) {
GL20.glVertexAttribPointer(indx, size, type, normalized, stride, ptr);
}
@Override
public String getPlatformGLExtensions() {
throw new UnsupportedOperationException("NYI - not in LWJGL.");
}
@Override
public int getSwapInterval() {
throw new UnsupportedOperationException("NYI - not in LWJGL.");
}
@Override
public void glClearDepth(double depth) {
GL11.glClearDepth(depth);
}
@Override
public void glCompressedTexImage2D(int target, int level, int internalformat,
int width, int height, int border,
int data_imageSize, int data) {
GL13.glCompressedTexImage2D(target, level, internalformat, width, height, border, data_imageSize, data);
}
@Override
public void glCompressedTexImage3D(int target, int level, int internalformat,
int width, int height, int depth, int border,
int imageSize, Buffer data) {
GL13.glCompressedTexImage3D(target, level, internalformat, width, height, depth, border,
imageSize, MemoryUtil.getAddress((ByteBuffer) data));
}
@Override
public void glCompressedTexImage3D(int target, int level, int internalformat,
int width, int height, int depth, int border,
int imageSize, int data) {
GL13.glCompressedTexImage3D(
target, level, internalformat, width, height, depth, border, imageSize, data);
}
@Override
public void glCompressedTexSubImage2D(int target, int level, int xoffset, int yoffset,
int width, int height, int format, int data_imageSize,
int data) {
GL13.glCompressedTexSubImage2D(
target, level, xoffset, yoffset, width, height, format, data_imageSize, data);
}
@Override
public void glCompressedTexSubImage3D(int target, int level, int xoffset, int yoffset, int zoffset,
int width, int height, int depth,
int format, int imageSize, Buffer data) {
// imageSize is calculated in glCompressedTexSubImage3D.
GL13.glCompressedTexSubImage3D(target, level, xoffset, yoffset, zoffset,
width, height, depth, format, (ByteBuffer) data);
}
@Override
public void glCompressedTexSubImage3D(int target, int level, int xoffset, int yoffset, int zoffset,
int width, int height, int depth,
int format, int imageSize, int data) {
final ByteBuffer dataBuffer = BufferUtils.createByteBuffer(4);
dataBuffer.putInt(data);
dataBuffer.rewind();
// imageSize is calculated in glCompressedTexSubImage3D.
GL13.glCompressedTexSubImage3D(
target, level, xoffset, yoffset, zoffset, width, height, depth, format, dataBuffer);
}
@Override
public void glCopyTexSubImage3D(int target, int level, int xoffset, int yoffset, int zoffset,
int x, int y, int width, int height) {
GL12.glCopyTexSubImage3D(target, level, xoffset, yoffset, zoffset, x, y, width, height);
}
@Override
public void glDepthRange(double zNear, double zFar) {
GL11.glDepthRange(zNear, zFar);
}
@Override
public void glFramebufferTexture3D(int target, int attachment, int textarget, int texture,
int level, int zoffset) {
GL30.glFramebufferTexture3D(target, attachment, textarget, texture, level, zoffset);
}
@Override
public void glGetActiveAttrib(int program, int index, int bufsize, int[] length, int lengthOffset,
int[] size, int sizeOffset, int[] type, int typeOffset,
byte[] name, int nameOffset) {
// http://www.khronos.org/opengles/sdk/docs/man/xhtml/glGetActiveAttrib.xml
// Returns length, size, type, name
bufs.resizeIntBuffer(2);
// Return name, length
final String nameString = GL20.glGetActiveAttrib(program, index, bufsize, bufs.intBuffer);
try {
final byte[] nameBytes = nameString.getBytes("UTF-8");
final int nameLength = nameBytes.length - nameOffset;
bufs.setByteBuffer(nameBytes, nameOffset, nameLength);
bufs.byteBuffer.get(name, nameOffset, nameLength);
length[lengthOffset] = nameLength;
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
// Return size, type
bufs.intBuffer.get(size, 0, 1);
bufs.intBuffer.get(type, 0, 1);
}
@Override
public void glGetActiveAttrib(int program, int index, int bufsize,
IntBuffer length, IntBuffer size, IntBuffer type, ByteBuffer name) {
IntBuffer typeTmp = BufferUtils.createIntBuffer(2);
GL20.glGetActiveAttrib(program, index, 256, typeTmp);
type.put(typeTmp.get(0));
type.rewind();
}
@Override
public void glGetActiveUniform(int program, int index, int bufsize,
int[] length, int lengthOffset, int[] size, int sizeOffset,
int[] type, int typeOffset, byte[] name, int nameOffset) {
bufs.resizeIntBuffer(2);
// Return name, length
final String nameString = GL20.glGetActiveUniform(program, index, 256, bufs.intBuffer);
try {
final byte[] nameBytes = nameString.getBytes("UTF-8");
final int nameLength = nameBytes.length - nameOffset;
bufs.setByteBuffer(nameBytes, nameOffset, nameLength);
bufs.byteBuffer.get(name, nameOffset, nameLength);
length[lengthOffset] = nameLength;
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
// Return size, type
bufs.intBuffer.get(size, 0, 1);
bufs.intBuffer.get(type, 0, 1);
}
@Override
public void glGetActiveUniform(int program, int index, int bufsize, IntBuffer length,
IntBuffer size, IntBuffer type, ByteBuffer name) {
IntBuffer typeTmp = BufferUtils.createIntBuffer(2);
GL20.glGetActiveAttrib(program, index, 256, typeTmp);
type.put(typeTmp.get(0));
type.rewind();
}
@Override
public void glGetAttachedShaders(int program, int maxcount, IntBuffer count, IntBuffer shaders) {
GL20.glGetAttachedShaders(program, count, shaders);
}
@Override
public boolean glGetBoolean(int pname) {
return GL11.glGetBoolean(pname);
}
@Override
public void glGetBooleanv(int pname, ByteBuffer params) {
GL11.glGetBoolean(pname, params);
}
@Override
public int glGetBoundBuffer(int arg0) {
throw new UnsupportedOperationException("glGetBoundBuffer not supported in GLES 2.0 or LWJGL.");
}
@Override
public float glGetFloat(int pname) {
return GL11.glGetFloat(pname);
}
@Override
public int glGetInteger(int pname) {
return GL11.glGetInteger(pname);
}
@Override
public void glGetProgramBinary(int program, int bufSize, IntBuffer length,
IntBuffer binaryFormat, Buffer binary) {
GL41.glGetProgramBinary(program, length, binaryFormat, (ByteBuffer) binary);
}
@Override
public void glGetProgramInfoLog(int program, int bufsize, IntBuffer length, ByteBuffer infolog) {
ByteBuffer buffer = ByteBuffer.allocateDirect(1024 * 10);
buffer.order(ByteOrder.nativeOrder());
ByteBuffer tmp = ByteBuffer.allocateDirect(4);
tmp.order(ByteOrder.nativeOrder());
IntBuffer intBuffer = tmp.asIntBuffer();
GL20.glGetProgramInfoLog(program, intBuffer, buffer);
}
@Override
public void glGetShaderInfoLog(int shader, int bufsize, IntBuffer length, ByteBuffer infolog) {
GL20.glGetShaderInfoLog(shader, length, infolog);
}
@Override
public void glGetShaderPrecisionFormat(int shadertype, int precisiontype,
int[] range, int rangeOffset,
int[] precision, int precisionOffset) {
throw new UnsupportedOperationException("NYI");
}
@Override
public void glGetShaderSource(int shader, int bufsize, int[] length, int lengthOffset,
byte[] source, int sourceOffset) {
throw new UnsupportedOperationException("NYI");
}
@Override
public void glGetShaderSource(int shader, int bufsize, IntBuffer length, ByteBuffer source) {
throw new UnsupportedOperationException("NYI");
}
@Override
public boolean glIsVBOArrayEnabled() {
throw new UnsupportedOperationException("NYI - not in LWJGL.");
}
@Override
public boolean glIsVBOElementEnabled() {
throw new UnsupportedOperationException("NYI - not in LWJGL.");
}
@Override
public ByteBuffer glMapBuffer(int target, int access) {
return GL15.glMapBuffer(target, access, null);
}
@Override
public void glProgramBinary(int program, int binaryFormat, Buffer binary, int length) {
// Length is calculated in glProgramBinary.
GL41.glProgramBinary(program, binaryFormat, (ByteBuffer) binary);
}
@Override
public void glReadPixels(int x, int y, int width, int height, int format, int type,
int pixelsBufferOffset) {
GL11.glReadPixels(x, y, width, height, format, type, pixelsBufferOffset);
}
@Override
public void glShaderBinary(int n, int[] shaders, int offset, int binaryformat,
Buffer binary, int length) {
throw new UnsupportedOperationException("NYI");
}
@Override
public void glShaderSource(int shader, int count, String[] strings, int[] length, int lengthOff) {
for (final String str : strings)
GL20.glShaderSource(shader, str);
}
@Override
public void glShaderSource(int shader, int count, String[] strings, IntBuffer length) {
for (final String str : strings)
GL20.glShaderSource(shader, str);
}
@Override
public void glTexImage2D(int target, int level, int internalformat, int width, int height,
int border, int format, int type, int pixels) {
GL11.glTexImage2D(target, level, internalformat, width, height, border, format, type, pixels);
}
@Override
public void glTexImage3D(int arg0, int arg1, int arg2, int arg3, int arg4,
int arg5, int arg6, int arg7, int arg8, Buffer arg9) {
if (!(arg9 instanceof ByteBuffer))
throw new UnsupportedOperationException("Buffer must be a ByteBuffer.");
GL12.glTexImage3D(arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, (ByteBuffer) arg9);
}
@Override
public void glTexImage3D(int arg0, int arg1, int arg2, int arg3, int arg4,
int arg5, int arg6, int arg7, int arg8, int arg9) {
GL12.glTexImage3D(arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9);
}
@Override
public void glTexSubImage2D(int target, int level, int xoffset, int yoffset, int width, int height, int format,
int type, int pixels) {
GL11.glTexSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels);
}
@Override
public void glTexSubImage3D(int target, int level, int xoffset, int yoffset, int zoffset,
int width, int height, int depth, int format, int type,
Buffer pixels) {
GL12.glTexSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format,
type, (ByteBuffer) pixels);
}
@Override
public void glTexSubImage3D(int target, int level, int xoffset, int yoffset, int zoffset,
int width, int height, int depth, int format, int type, int pixels) {
final ByteBuffer byteBuffer = BufferUtils.createByteBuffer(1);
byteBuffer.putInt(pixels);
byteBuffer.rewind();
GL12.glTexSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format,
type, byteBuffer);
}
@Override
public boolean glUnmapBuffer(int target) {
return GL15.glUnmapBuffer(target);
}
@Override
public boolean hasGLSL() {
throw new UnsupportedOperationException("NYI - not in LWJGL.");
}
@Override
public boolean isExtensionAvailable(String extension) {
throw new UnsupportedOperationException("NYI - not in LWJGL.");
}
@Override
public boolean isFunctionAvailable(String function) {
throw new UnsupportedOperationException("NYI - not in LWJGL.");
}
}