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Diffstat (limited to 'turtle2d/src/jogamp/graph/curve/opengl/TextRendererImpl01.java')
| -rw-r--r-- | turtle2d/src/jogamp/graph/curve/opengl/TextRendererImpl01.java | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/turtle2d/src/jogamp/graph/curve/opengl/TextRendererImpl01.java b/turtle2d/src/jogamp/graph/curve/opengl/TextRendererImpl01.java new file mode 100644 index 000000000..cebe7a19e --- /dev/null +++ b/turtle2d/src/jogamp/graph/curve/opengl/TextRendererImpl01.java @@ -0,0 +1,188 @@ +/** + * Copyright 2010 JogAmp Community. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * 2. 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. + * + * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``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 JogAmp Community 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. + * + * The views and conclusions contained in the software and documentation are those of the + * authors and should not be interpreted as representing official policies, either expressed + * or implied, of JogAmp Community. + */ +package jogamp.graph.curve.opengl; + +import java.nio.FloatBuffer; + +import javax.media.opengl.GL2ES2; +import javax.media.opengl.GLException; +import javax.media.opengl.GLUniformData; +import javax.media.opengl.fixedfunc.GLMatrixFunc; + +import jogamp.graph.curve.text.GlyphString; + +import com.jogamp.graph.curve.opengl.TextRenderer; +import com.jogamp.graph.font.Font; +import com.jogamp.graph.geom.Vertex; +import com.jogamp.opengl.util.glsl.ShaderCode; +import com.jogamp.opengl.util.glsl.ShaderProgram; + +public class TextRendererImpl01 extends TextRenderer { + /**Sharpness is equivalent to the value of t value of texture coord + * on the off-curve vertex. The high value of sharpness will + * result in high curvature. + */ + private GLUniformData mgl_sharpness = new GLUniformData("p1y", 0.5f); + GLUniformData mgl_alpha = new GLUniformData("g_alpha", 1.0f); + private GLUniformData mgl_color = new GLUniformData("g_color", 3, FloatBuffer.allocate(3)); + private GLUniformData mgl_strength = new GLUniformData("a_strength", 1.8f); + + public TextRendererImpl01(Vertex.Factory<? extends Vertex> factory, int type) { + super(factory, type); + } + + @Override + protected boolean initImpl(GL2ES2 gl){ + boolean VBOsupported = gl.isFunctionAvailable("glGenBuffers") && + gl.isFunctionAvailable("glBindBuffer") && + gl.isFunctionAvailable("glBufferData") && + gl.isFunctionAvailable("glDrawElements") && + gl.isFunctionAvailable("glVertexAttribPointer") && + gl.isFunctionAvailable("glDeleteBuffers"); + + if(DEBUG) { + System.err.println("TextRendererImpl01: VBO Supported = " + VBOsupported); + } + + if(!VBOsupported){ + return false; + } + + gl.glEnable(GL2ES2.GL_BLEND); + gl.glBlendFunc(GL2ES2.GL_SRC_ALPHA, GL2ES2.GL_ONE_MINUS_SRC_ALPHA); + + ShaderCode rsVp = ShaderCode.create(gl, GL2ES2.GL_VERTEX_SHADER, 1, TextRendererImpl01.class, + "shader", "shader/bin", "curverenderer01"); + ShaderCode rsFp = ShaderCode.create(gl, GL2ES2.GL_FRAGMENT_SHADER, 1, TextRendererImpl01.class, + "shader", "shader/bin", "curverenderer01"); + + ShaderProgram sp = new ShaderProgram(); + sp.add(rsVp); + sp.add(rsFp); + + if(!sp.link(gl, System.err)) { + throw new GLException("TextRendererImpl01: Couldn't link program: "+sp); + } + + st.attachShaderProgram(gl, sp); + gl.glBindAttribLocation(sp.id(), 0, "v_position"); + gl.glBindAttribLocation(sp.id(), 1, "texCoord"); + + st.glUseProgram(gl, true); + + pmvMatrix.glMatrixMode(GLMatrixFunc.GL_PROJECTION); + pmvMatrix.glLoadIdentity(); + pmvMatrix.glMatrixMode(GLMatrixFunc.GL_MODELVIEW); + pmvMatrix.glLoadIdentity(); + + pmvMatrix.glMatrixMode(GLMatrixFunc.GL_PROJECTION); + pmvMatrix.glLoadIdentity(); + resetModelview(null); + + mgl_PMVMatrix = new GLUniformData("mgl_PMVMatrix", 4, 4, pmvMatrix.glGetPMvMatrixf()); + if(!st.glUniform(gl, mgl_PMVMatrix)) { + if(DEBUG){ + System.err.println("Error setting PMVMatrix in shader: "+st); + } + return false; + } + + if(!st.glUniform(gl, mgl_sharpness)) { + if(DEBUG){ + System.err.println("Error setting sharpness in shader: "+st); + } + return false; + } + + if(!st.glUniform(gl, mgl_alpha)) { + if(DEBUG){ + System.err.println("Error setting global alpha in shader: "+st); + } + return false; + } + + if(!st.glUniform(gl, mgl_color)) { + if(DEBUG){ + System.err.println("Error setting global color in shader: "+st); + } + return false; + } + + if(!st.glUniform(gl, mgl_strength)) { + System.err.println("Error setting antialias strength in shader: "+st); + } + + if(DEBUG) { + System.err.println("TextRendererImpl01 initialized: " + Thread.currentThread()+" "+st); + } + return true; + } + + @Override + protected void disposeImpl(GL2ES2 gl) { + } + + @Override + public float getAlpha() { + return mgl_alpha.floatValue(); + } + + @Override + public void setAlpha(GL2ES2 gl, float alpha_t) { + mgl_alpha.setData(alpha_t); + if(null != gl && st.inUse()) { + st.glUniform(gl, mgl_alpha); + } + } + + @Override + public void setColor(GL2ES2 gl, float r, float g, float b){ + FloatBuffer fb = (FloatBuffer) mgl_color.getBuffer(); + fb.put(0, r); + fb.put(1, r); + fb.put(2, r); + if(null != gl && st.inUse()) { + st.glUniform(gl, mgl_color); + } + } + + @Override + public void renderString3D(GL2ES2 gl, Font font, String str, float[] position, int fontSize, int texSize) { + if(!isInitialized()){ + throw new GLException("TextRendererImpl01: not initialized!"); + } + GlyphString glyphString = getCachedGlyphString(font, str, fontSize); + if(null == glyphString) { + glyphString = createString(gl, font, fontSize, str, mgl_sharpness.floatValue()); + addCachedGlyphString(font, str, fontSize, glyphString); + } + + glyphString.renderString3D(pmvMatrix, vp_width, vp_height, texSize); + } + +} |