Mali GPU User Interface Engine Application Development Guide

More documents

Recommendations

Info

Tutorial on the Lotion User Interface ClassesrenderLbl = wg->createCustomLabel(this);renderLbl->build(NORMAL_FONT_SIZE, 16);renderLbl->setPosition(vec2i(10, 90));renderLbl->setColor(vec4(1.f, 1.f, 1.f, 1.f));renderLbl->setTextAlign(TEXT_ALIGN_LEFT | TEXT_ALIGN_TOP);renderLbl->setText("Rendermode");solidChk = wg->createRadioButton(this);solidChk->setText("Solid");solidChk->setPosition(vec2i(10, 115));wireframeChk = wg->createRadioButton(this);wireframeChk->setText("Wireframe");wireframeChk->setPosition(vec2i(10, 140));renderMode = new RadioButtonGroup();renderMode->add(solidChk);renderMode->add(wireframeChk);exitButton = wg->createExitButton(this);exitButton->setPosition(MDE::vec2i(130, 150));solidChk->check();gl20Chk->check();}setPosition(MDE::vec2i(0, 0));setSize(MDE::vec2i(800, 480));void LightShow::onValueChanged(Widget* w) {useWireframe = wireframeChk->isChecked();styggShader = gl11Chk->isChecked();}5.4.6 Modified draw loopThe code in the original draw loop is moved to a draw() method.The FPS calculation has been removed. See Example 5-25:Example 5-25 Modified draw functionality in lightshow.cppvoid LightShow::draw() {Context* context = getApplication()->getContext();float deltat = getTime() * 0.3f - time;time = getTime() * 0.3f;glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);float scenetime = time;while (scenetime > 10)scenetime -= 10;MDE::Program* prg;if (styggShader)prg = prg_gl1;elseprg = prg_gl2;ARM DUI 0527A-02a Copyright © 2010 ARM. All rights reserved. 5-30ID070710Non-Confidential - Draft - Beta
Tutorial on the Lotion User Interface Classesmat4 rootTransform = mat4::identity();traverseTransform(scene->getTree(0), rootTransform, scenetime);vec3 camPos = camNode->getAbsolutePosition();vec3 targetPos = targetNode->getAbsolutePosition();mat4 view = mat4::lookAt(camPos, targetPos, vec3(0, 0, 1));mat4 proj = mat4::perspective(80, 1.33333f, 1, 500);context->setProgram(prg);context->setUniformMatrix("VIEW_PROJECTION", proj * view);vec3 light0position = light0Node->getAbsolutePosition();vec3 light0color(0.66f + fabs(sinf(time * 0.1f)) * 0.4f,0.66f + fabs(sinf(time * 0.12f + 0.4f)) * 0.4f,0.66f + fabs(sinf(time * 0.18f + 0.989f)) * 0.4f);context->setUniform("light0position", light0position);context->setUniform("light0color", light0color);vec3 light1position = light1Node->getAbsolutePosition();vec3 light1color(0.66f + fabs(sinf(time * 0.1f)) * 0.4f,0.66f + fabs(sinf(time * 0.12f + 0.14f)) * 0.4f,0.66f + fabs(sinf(time * 0.18f + 0.389f)) * 0.4f);context->setUniform("light1position", light1position);context->setUniform("light1color", light1color);context->setUniform("cameraPosition", camPos);float cyl_radius = sqrt(30.0f);vec3 shadow_info[2] ={ calculate_cyl_info(vec2(-30.0, -30.0), cyl_radius,vec2(light0position.x,light0position.y), 0.0),calculate_cyl_info(vec2(30.0, 30.0), cyl_radius,vec2(light0position.x, light0position.y), 0.0) };context->setUniform("shadow_info[0]", shadow_info[0]);context->setUniform("shadow_info[1]", shadow_info[1]);glEnable(GL_DEPTH_TEST);traverseDraw(scene->getTree(0), context);glDepthMask(GL_FALSE);glEnable(GL_BLEND);glBlendFunc(GL_SRC_ALPHA, GL_ONE);context->setProgram(flarePrg);context->setUniformMatrix("VIEW", view);context->setUniformMatrix("PROJECTION", proj);context->setUniformSampler("colorTex", flareTex);drawFlare(context, light0position, light0color, 10);glDepthMask(GL_TRUE);glDisable(GL_BLEND);}// new code to make the widget visible and draw the imagewg->setVisible(true);Applet::draw();ARM DUI 0527A-02a Copyright © 2010 ARM. All rights reserved. 5-31ID070710Non-Confidential - Draft - Beta
Page 1 and 2:
MaliGPU User Interface EngineVersio
Page 3 and 4:
ContentsMali GPU User Interface Eng
Page 5 and 6:
List of TablesMali GPU User Interfa
Page 7 and 8:
List of FiguresFigure 4-17 Environm
Page 9 and 10:
PrefaceAbout this bookThis is the M
Page 11 and 12:
PrefaceFeedbackARM welcomes feedbac
Page 13 and 14:
Introduction1.1 About the Mali GPU
Page 15 and 16:
IntroductionProxygetLoader()LoaderA
Page 17 and 18:
Chapter 2Tutorial on the System Cla
Page 19 and 20:
Tutorial on the System Classes2.2 C
Page 21 and 22:
Tutorial on the System ClassesFigur
Page 23 and 24:
Tutorial on the System ClassesDrawi
Page 25 and 26:
Page 27 and 28:
Page 29 and 30:
Chapter 3Tutorial on Drawing 2D Sha
Page 31 and 32:
Tutorial on Drawing 2D Shapes...con
Page 33 and 34:
Tutorial on Drawing 2D ShapesFor ea
Page 36 and 37:
Tutorial on Drawing 2D ShapesExampl
Page 38 and 39:
Tutorial on Drawing 2D Shapes...ele
Page 40 and 41:
Page 42 and 43:
Tutorial on Drawing 2D ShapesFigure
Page 44 and 45:
Tutorial on Drawing 3D Shapes4.1 Dr
Page 46 and 47:
Page 48 and 49:
Tutorial on Drawing 3D Shapes4.2 Co
Page 50 and 51:
Tutorial on Drawing 3D Shapes4.3 Te
Page 52 and 53:
Tutorial on Drawing 3D Shapesvec3 c
Page 54 and 55:
Tutorial on Drawing 3D Shapes...0.5
Page 56 and 57:
Tutorial on Drawing 3D ShapesThe tr
Page 58 and 59:
Page 60 and 61:
Tutorial on Drawing 3D Shapes}vec4(
Page 62 and 63:
Tutorial on Drawing 3D Shapes...}//
Page 64 and 65:
Page 66 and 67:
Tutorial on Drawing 3D Shapes...{}i
Page 68 and 69:
Page 70 and 71:
Tutorial on Drawing 3D Shapesfloat
Page 72 and 73:
Tutorial on Drawing 3D Shapes}}prin
Page 74 and 75:
Tutorial on Drawing 3D Shapes4.6 Cu
Page 76 and 77:
Page 78 and 79: Tutorial on Drawing 3D Shapescube_r
Page 80 and 81: Tutorial on Drawing 3D ShapesExampl
Page 82 and 83: Tutorial on Drawing 3D ShapesFigure
Page 84 and 85: Tutorial on Drawing 3D Shapes// Che
Page 86 and 87: Tutorial on Drawing 3D Shapes...}if
Page 88 and 89: Tutorial on Drawing 3D Shapes• th
Page 90 and 91: Tutorial on Drawing 3D Shapes}{mat4
Page 92 and 93: Tutorial on Drawing 3D Shapes}first
Page 94 and 95: Tutorial on Drawing 3D ShapesoLight
Page 96 and 97: Tutorial on Drawing 3D Shapes// spe
Page 98 and 99: Tutorial on Drawing 3D Shapes}}prin
Page 100 and 101: Tutorial on the Lotion User Interfa
Page 140 and 141: Chapter 6Tutorial on Constructing C
Page 142 and 143: Tutorial on Constructing Custom Sha
Page 166 and 167: Appendix AMatrix and Vector Operati
Page 168 and 169: Matrix and Vector Operationsmat4 pe
Page 170 and 171: GlossaryThis glossary describes som
Page 172: GlossaryShader LibraryVertex shader
show all

Mali GPU User Interface Engine Application Development Guide

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?