Pro OpenGL ES for iOS

■ Index 347

OGRE, 13
OpenGL
analysis of, 14–29
shaders, 27–29
showing scene in display, 22–26
tweaking values, 26
analyzer, 299–306
context-sensitive settings, 305
Detailed pane, 305–306
Extended Detail pane, 305
instrument inspector, 302–304
Record/stop button, 302
Target Selector pane, 304
Track Display pane, 304
architecture, 29–31
coordinates, 51–53
ES API
extensions, and PVRTC, 157–159
and textures, 137–141
Game template, 3
general discussion, 11
lights, 94
opening projects, 2–3
OpenGLCreateTexture.mm file, 260
OpenGLCreateTexture:renderTextureInRect( )
method, 269
OpenGLOutlines, 272, 282
OpenGLSolarSystemController, 84–85, 122–123
OpenGLSolarSystem.h file, 97, 122
OpenGLSolarSystemViewController, 129
opening OpenGL ES project, 2–3
OpenSceneGraph, 13
Oren-Nayer, 110
orthogonal, 99
orthographic projection, 44, 55
outlines.plist file, 278

P
painter's algorithm, 130
parallel projection, 44
parameters, light, 114–115
pattern-matrix, 36
percentVisible, 267–268, 270
performance, 289–306
OpenGL analyzer, 299–306
context-sensitive settings, 305
Detailed pane, 305–306
Extended Detail pane, 305
instrument inspector, 302–304

Record/stop button, 302

Target Selector pane, 304

Track Display pane, 304

VBOs, 289–299

batching, 295–296

color formats, 297–298

interleaved data, 295

mipmaps, 297

sprite sheets, 296–297

textures, 296–297

tips on, 298–299

Performance Detective, 294–295, 299, 305

perspective projection, 44–45, 55

phiIdx, 79, 82

Phong shading, 110

physiological optics, 93

pipelines, shaded, 308, 318

restrictions on shaders, 310, 318

shader structure, 309–310

two cubes example, 308–309

Planet object, 78, 83–84, 88

Planet.h file, 163

Planet.m file, 96, 99, 102, 127–128

point sampling, 156

pos vector, 112

positioning lights, 95–104

POT (power-of-two), 143–144, 147, 158

PowerVR graphics, 158

PowerVR Texture Compression (PVRTC), 157–

159, 297

prepareToDraw( ) method, 338

primitive, 63

projecting object onto screen, 43–47

projection shadows, 229–243

PVRTC (PowerVR Texture Compression), 157–

159, 297

PVRTexTool, 158–159

Q

quaternions, 49, 248–249

QuickDraw 3D, 12–13

R

rasterization, 30

Record/stop button, for OpenGL analyzer, 302

red, green, blue, and alpha (RGBA), 142

red-green-blue (RGB), 93

reflect( ) method, 327