diff options
Diffstat (limited to 'src/com/jogamp/graph/curve/text')
-rw-r--r-- | src/com/jogamp/graph/curve/text/HwTextRenderer.java | 213 |
1 files changed, 109 insertions, 104 deletions
diff --git a/src/com/jogamp/graph/curve/text/HwTextRenderer.java b/src/com/jogamp/graph/curve/text/HwTextRenderer.java index bbe62f158..b16d2e6fd 100644 --- a/src/com/jogamp/graph/curve/text/HwTextRenderer.java +++ b/src/com/jogamp/graph/curve/text/HwTextRenderer.java @@ -32,8 +32,6 @@ import java.util.HashMap; import java.util.Iterator; import javax.media.opengl.GL2ES2; -import javax.media.opengl.GLAutoDrawable; -import javax.media.opengl.GLContext; import javax.media.opengl.GLException; import javax.media.opengl.GLUniformData; import javax.media.opengl.fixedfunc.GLMatrixFunc; @@ -82,37 +80,38 @@ public class HwTextRenderer { return fontFactory; } - private ShaderState st; + private ShaderState st = new ShaderState(); + private PMVMatrix pmvMatrix = new PMVMatrix(); + private GLUniformData mgl_PMVMatrix; /**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 float sharpness = 0.5f; - private float alpha = 1.0f; - private float strength = 1.8f; - private boolean initialized = false; - + private GLUniformData mgl_sharpness = new GLUniformData("p1y", 0.5f); + private 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); + + private boolean initialized = false; private int regionType = Region.SINGLE_PASS; - private GLContext context; - private FloatBuffer color = FloatBuffer.allocate(3); + private HashMap<String, GlyphString> strings = new HashMap<String, GlyphString>(); private final Vertex.Factory<? extends Vertex> pointFactory; int win_width = 0; int win_height = 0; - /** Create a Hardware accelerated Text Renderer + /** + * Create a Hardware accelerated Text Renderer. * @param context OpenGL rendering context * @param factory optional Point.Factory for Vertex construction. Default is Vertex.Factory. */ - public HwTextRenderer(GLContext context, Vertex.Factory<? extends Vertex> factory, int type) { + public HwTextRenderer(Vertex.Factory<? extends Vertex> factory, int type) { this.pointFactory = (null != factory) ? factory : SVertex.factory(); - this.context = context; this.regionType = type; - init(context, 0.5f); } public Font createFont(Vertex.Factory<? extends Vertex> factory, String name, int size) { @@ -129,22 +128,22 @@ public class HwTextRenderer { return fontFactory.createFont(factory, families, style, variant, weight, size); } - /** initialize shaders and bindings for GPU based text Rendering, should - * be called only onceangle + /** + * Initialize shaders and bindings for GPU based text Rendering, + * should be called only once. + * Leaves the renderer enables, ie ShaderState on. + * * @param drawable the current drawable * @param shapvalue shaprness around the off-curve vertices * @return true if init succeeded, false otherwise */ - private boolean init(GLContext context, float sharpvalue){ + public boolean init(GL2ES2 gl){ if(initialized){ if(DEBUG) { System.err.println("HWTextRenderer: Already initialized!"); } return true; } - sharpness = sharpvalue; - - GL2ES2 gl = context.getGL().getGL2ES2(); boolean VBOsupported = gl.isFunctionAvailable("glGenBuffers") && gl.isFunctionAvailable("glBindBuffer") && @@ -161,12 +160,25 @@ public class HwTextRenderer { return false; } - gl.setSwapInterval(1); - gl.glEnable(GL2ES2.GL_BLEND); gl.glBlendFunc(GL2ES2.GL_SRC_ALPHA, GL2ES2.GL_ONE_MINUS_SRC_ALPHA); - initShader(gl); + ShaderCode rsVp = ShaderCode.create(gl, GL2ES2.GL_VERTEX_SHADER, 1, HwTextRenderer.class, + "../shader", "../shader/bin", "curverenderer"); + ShaderCode rsFp = ShaderCode.create(gl, GL2ES2.GL_FRAGMENT_SHADER, 1, HwTextRenderer.class, + "../shader", "../shader/bin", "curverenderer"); + + ShaderProgram sp = new ShaderProgram(); + sp.add(rsVp); + sp.add(rsFp); + + if(!sp.link(gl, System.err)) { + throw new GLException("HWTextRenderer: 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); @@ -177,38 +189,41 @@ public class HwTextRenderer { pmvMatrix.glMatrixMode(GLMatrixFunc.GL_PROJECTION); pmvMatrix.glLoadIdentity(); - resetMatrix(); - - if(!st.glUniform(gl, new GLUniformData("mgl_PMVMatrix", 4, 4, pmvMatrix.glGetPMvMatrixf()))) { + resetMatrix(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, new GLUniformData("p1y", sharpness))) { + + if(!st.glUniform(gl, mgl_sharpness)) { if(DEBUG){ System.err.println("Error setting sharpness in shader: "+st); } return false; } - if(!st.glUniform(gl, new GLUniformData("g_alpha", alpha))) { + + if(!st.glUniform(gl, mgl_alpha)) { if(DEBUG){ System.err.println("Error setting global alpha in shader: "+st); } return false; - } - if(!st.glUniform(gl, new GLUniformData("g_color", 3, color))) { + } + + if(!st.glUniform(gl, mgl_color)) { if(DEBUG){ System.err.println("Error setting global color in shader: "+st); } return false; - } - if(!st.glUniform(gl, new GLUniformData("a_strength", strength))) { + } + + if(!st.glUniform(gl, mgl_strength)) { System.err.println("Error setting antialias strength in shader: "+st); } - st.glUseProgram(gl, false); - if(DEBUG) { System.err.println("HWTextRenderer initialized: " + Thread.currentThread()+" "+st); } @@ -216,41 +231,75 @@ public class HwTextRenderer { return true; } + public void dispose(GL2ES2 gl) { + st.destroy(gl); + clearCached(); + } + public float getAlpha() { - return alpha; + return mgl_alpha.floatValue(); } - public void setAlpha(float alpha_t) { - alpha = alpha_t; + + public ShaderState getShaderState() { + return st; } - public void setColor(float r, float g, float b){ - color.put(r); - color.put(g); - color.put(b); - color.rewind(); + public void setAlpha(GL2ES2 gl, float alpha_t) { + mgl_alpha.setData(alpha_t); + if(null != gl && st.inUse()) { + st.glUniform(gl, mgl_alpha); + } } - public void rotate(float angle, float x, float y, float z){ + 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); + } + } + + public void rotate(GL2ES2 gl, float angle, float x, float y, float z){ pmvMatrix.glRotatef(angle, x, y, z); + if(null != gl && st.inUse()) { + st.glUniform(gl, mgl_PMVMatrix); + } } - public void translate(float x, float y, float z){ + public void translate(GL2ES2 gl, float x, float y, float z){ pmvMatrix.glTranslatef(x, y, z); + if(null != gl && st.inUse()) { + st.glUniform(gl, mgl_PMVMatrix); + } } - public void resetMatrix(){ + public void resetMatrix(GL2ES2 gl){ pmvMatrix.glMatrixMode(GLMatrixFunc.GL_MODELVIEW); pmvMatrix.glLoadIdentity(); + if(null != gl && st.inUse()) { + st.glUniform(gl, mgl_PMVMatrix); + } } + public void updateAllShaderValues(GL2ES2 gl) { + if(null != gl && st.inUse()) { + st.glUniform(gl, mgl_PMVMatrix); + st.glUniform(gl, mgl_alpha); + st.glUniform(gl, mgl_color); + st.glUniform(gl, mgl_strength); + } + } + /** - * @param drawable + * @param gl * @param angle * @param ratio * @param near * @param far * @return */ - public boolean reshape(GLAutoDrawable drawable, float angle, int width, int height, float near, float far){ + public boolean reshape(GL2ES2 gl, float angle, int width, int height, float near, float far){ win_width = width; win_height = height; float ratio = (float)width/(float)height; @@ -258,44 +307,12 @@ public class HwTextRenderer { pmvMatrix.glLoadIdentity(); pmvMatrix.gluPerspective(angle, ratio, near, far); - if(null==st) { - if(DEBUG){ - System.err.println("HWTextRenderer: Shader State is null, or not"); - } - return false; - } - GL2ES2 gl = drawable.getGL().getGL2ES2(); - - st.glUseProgram(gl, true); - GLUniformData ud = st.getUniform("mgl_PMVMatrix"); - if(null!=ud) { - st.glUniform(gl, ud); - } - st.glUseProgram(gl, false); + st.glUniform(gl, mgl_PMVMatrix); + return true; } - private void initShader(GL2ES2 gl) { - ShaderCode rsVp = ShaderCode.create(gl, GL2ES2.GL_VERTEX_SHADER, 1, HwTextRenderer.class, - "../shader", "../shader/bin", "curverenderer"); - ShaderCode rsFp = ShaderCode.create(gl, GL2ES2.GL_FRAGMENT_SHADER, 1, HwTextRenderer.class, - "../shader", "../shader/bin", "curverenderer"); - - ShaderProgram sp = new ShaderProgram(); - sp.add(rsVp); - sp.add(rsFp); - - if(!sp.link(gl, System.err)) { - throw new GLException("HWTextRenderer: Couldn't link program: "+sp); - } - - st = new ShaderState(); - st.attachShaderProgram(gl, sp); - gl.glBindAttribLocation(sp.id(), 0, "v_position"); - gl.glBindAttribLocation(sp.id(), 1, "texCoord"); - } - - private GlyphString createString(Font font, String str) { + private GlyphString createString(GL2ES2 gl, Font font, String str) { AffineTransform affineTransform = new AffineTransform(pointFactory); Path2D[] paths = new Path2D[str.length()]; @@ -304,11 +321,17 @@ public class HwTextRenderer { GlyphString glyphString = new GlyphString(pointFactory, font.getName(), str); glyphString.createfromFontPath(paths, affineTransform); - glyphString.generateRegion(context, sharpness, st, regionType); + glyphString.generateRegion(gl.getContext(), mgl_sharpness.floatValue(), st, regionType); return glyphString; } + public void enable(GL2ES2 gl, boolean enable) { + if(null != gl) { + st.glUseProgram(gl, enable); + } + } + /** Render the String in 3D space wrt to the font provided at the position provided * the outlines will be generated, if not yet generated * @param font font to be used @@ -317,36 +340,18 @@ public class HwTextRenderer { * @param size texture size for multipass render * @throws Exception if TextRenderer not initialized */ - public void renderString3D(Font font, String str, float[] position, int size) throws Exception{ + public void renderString3D(GL2ES2 gl, Font font, String str, float[] position, int size) { if(!initialized){ - throw new Exception("HWTextRenderer: not initialized!"); + throw new GLException("HWTextRenderer: not initialized!"); } String fontStrHash = getTextHashCode(font, str); GlyphString glyphString = strings.get(fontStrHash); if(null == glyphString) { - glyphString = createString(font, str); + glyphString = createString(gl, font, str); strings.put(fontStrHash, glyphString); } - GL2ES2 gl = context.getGL().getGL2ES2(); - st.glUseProgram(gl, true); - GLUniformData ud = st.getUniform("mgl_PMVMatrix"); - if(null!=ud) { - st.glUniform(gl, ud); - } - if(!st.glUniform(gl, new GLUniformData("g_alpha", alpha))) { - System.err.println("Error setting global alpha in shader: "+st); - } - GLUniformData gcolorUD = st.getUniform("g_color"); - if(null!=gcolorUD) { - st.glUniform(gl, gcolorUD); - } - - if(!st.glUniform(gl, new GLUniformData("a_strength", strength))) { - System.err.println("Error setting antialias strength in shader: "+st); - } glyphString.renderString3D(pmvMatrix, win_width, win_height, size); - st.glUseProgram(gl, false); } private String getTextHashCode(Font font, String str){ |