author | Gareth Stockwell <gareth.stockwell@accenture.com> |
Fri, 05 Nov 2010 17:31:20 +0000 | |
branch | bug235_bringup_0 |
changeset 215 | 097e92a68d68 |
permissions | -rw-r--r-- |
215
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// Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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// All rights reserved. |
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// This component and the accompanying materials are made available |
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// under the terms of "Eclipse Public License v1.0" |
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// which accompanies this distribution, and is available |
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// at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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// |
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// Initial Contributors: |
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// Nokia Corporation - initial contribution. |
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// |
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// Contributors: |
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// |
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// Description: |
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|
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#include "gles1cube.h" |
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|
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_LIT(KGLES1CubeName, "gles1cube"); |
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CEGLRendering* CGLES1Cube::NewL(RWindow& aWindow) |
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{ |
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CGLES1Cube* self = new (ELeave) CGLES1Cube(aWindow); |
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CleanupStack::PushL(self); |
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self->ConstructL(); |
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CleanupStack::Pop(self); |
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return self; |
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} |
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|
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const TDesC& CGLES1Cube::Name() |
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{ |
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return KGLES1CubeName; |
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} |
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|
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CGLES1Cube::CGLES1Cube(RWindow& aWindow) |
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: CEGLRendering(aWindow, EGL_OPENGL_ES_API) |
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{ |
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} |
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|
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CGLES1Cube::~CGLES1Cube() |
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{ |
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RDebug::Printf("[EBT] CGLES1Cube::~CGLES1Cube"); |
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glDeleteBuffers(1, &iCoordinateColorBuffer); |
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glDeleteBuffers(1, &iIndexBuffer); |
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} |
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|
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/* |
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v6----- v4 |
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/| /| |
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v0------v2| |
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| | | | |
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| |v7---|-|v5 |
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|/ |/ |
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v1------v3 |
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|
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v0: -1.0, +1.0, +1.0, |
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v1: -1.0, -1.0, +1.0, |
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v2: +1.0, +1.0, +1.0, |
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v3: +1.0, -1.0, +1.0, |
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v4: +1.0, +1.0, -1.0, |
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v5: +1.0, -1.0, -1.0, |
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v6: -1.0, +1.0, -1.0, |
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v7: -1.0, -1.0, -1.0, |
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*/ |
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static GLfloat CoordinateData[] = |
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{ |
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-1.0, +1.0, +1.0, // v0 |
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-1.0, -1.0, +1.0, // v1 |
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+1.0, +1.0, +1.0, // v2 |
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+1.0, -1.0, +1.0, // v3 |
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+1.0, +1.0, -1.0, // v4 |
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+1.0, -1.0, -1.0, // v5 |
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-1.0, +1.0, -1.0, // v6 |
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-1.0, -1.0, -1.0 // v7 |
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}; |
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|
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static const TInt CoordinateElementCount = 3; // XYZ |
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|
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static GLfloat ColorData[] = |
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{ |
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0.0, 1.0, 1.0, 1.0, // v0 |
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0.0, 0.0, 1.0, 1.0, // v1 |
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1.0, 1.0, 1.0, 1.0, // v2 |
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1.0, 0.0, 1.0, 1.0, // v3 |
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1.0, 1.0, 0.0, 1.0, // v4 |
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1.0, 0.0, 0.0, 1.0, // v5 |
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0.0, 1.0, 0.0, 1.0, // v6 |
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0.0, 0.0, 0.0, 1.0 // v7 |
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}; |
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|
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static const TInt ColorElementCount = 4; // RGBA |
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|
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static GLubyte FaceData[] = |
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{ |
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0, 1, 3, 2, // front |
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2, 3, 5, 4, // right |
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4, 5, 7, 6, // left |
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6, 7, 1, 0, // back |
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6, 0, 2, 4, // top |
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1, 7, 5, 3 |
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}; |
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|
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static const TInt VerticesPerFace = 4; |
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104 |
static const TInt VertexCount = sizeof(FaceData) / sizeof(GLubyte); |
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Added GLES 1.x spinning cube-rendering code to eglbringuptest
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changeset
|
105 |
static const TInt FaceCount = VertexCount / VerticesPerFace; |
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Added GLES 1.x spinning cube-rendering code to eglbringuptest
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diff
changeset
|
106 |
|
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Added GLES 1.x spinning cube-rendering code to eglbringuptest
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changeset
|
107 |
static const TInt TrianglesPerFace = 2; |
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changeset
|
108 |
static const TInt VerticesPerTriangle = 3; |
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changeset
|
109 |
|
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changeset
|
110 |
static const TInt IndexCount = FaceCount * TrianglesPerFace * VerticesPerTriangle; |
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diff
changeset
|
111 |
|
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|
112 |
static GLubyte FaceIndexData[] = |
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changeset
|
113 |
{ |
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|
114 |
0, 2, 1, |
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changeset
|
115 |
0, 3, 2 |
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|
116 |
}; |
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changeset
|
117 |
|
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|
118 |
void CGLES1Cube::KhrSetup() |
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|
119 |
{ |
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changeset
|
120 |
RDebug::Printf("[EBT] CGLES1Cube::KhrSetup"); |
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changeset
|
121 |
|
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changeset
|
122 |
RDebug::Printf("[EBT] CGLES1Cube::KhrSetup vertexCount %d", VertexCount); |
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Added GLES 1.x spinning cube-rendering code to eglbringuptest
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changeset
|
123 |
RDebug::Printf("[EBT] CGLES1Cube::KhrSetup faceCount %d", FaceCount); |
097e92a68d68
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changeset
|
124 |
RDebug::Printf("[EBT] CGLES1Cube::KhrSetup indexCount %d", IndexCount); |
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changeset
|
125 |
|
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|
126 |
const GLsizeiptr coordinateSize = CoordinateElementCount * sizeof(GLfloat); |
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|
127 |
const GLsizeiptr coordinateDataSize = VertexCount * coordinateSize; |
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changeset
|
128 |
const GLsizeiptr colorSize = ColorElementCount * sizeof(GLfloat); |
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|
129 |
const GLsizeiptr colorDataSize = VertexCount * colorSize; |
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changeset
|
130 |
|
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changeset
|
131 |
RDebug::Printf("[EBT] CGLES1Cube::KhrSetup glViewport %d x %d", WindowSize().iWidth, WindowSize().iHeight); |
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changeset
|
132 |
glViewport(0, 0, WindowSize().iWidth, WindowSize().iHeight); |
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changeset
|
133 |
GLCheckError(); |
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changeset
|
134 |
|
097e92a68d68
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changeset
|
135 |
glEnable(GL_DEPTH_TEST); |
097e92a68d68
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changeset
|
136 |
glEnable(GL_CULL_FACE); |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
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changeset
|
137 |
glClearColor(0.0f, 0.0f, 0.0f, 0.5f); |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
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parents:
diff
changeset
|
138 |
|
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
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parents:
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changeset
|
139 |
// Create coordinate/color buffer |
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Added GLES 1.x spinning cube-rendering code to eglbringuptest
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parents:
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changeset
|
140 |
RDebug::Printf("[EBT] CGLES1Cube::KhrSetup glGenBuffers vertex/color"); |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
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parents:
diff
changeset
|
141 |
glGenBuffers(1, &iCoordinateColorBuffer); |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
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parents:
diff
changeset
|
142 |
GLCheckError(); |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
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parents:
diff
changeset
|
143 |
RDebug::Printf("[EBT] CGLES1Cube::KhrSetup glBindBuffer vertex/color"); |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
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parents:
diff
changeset
|
144 |
glBindBuffer(GL_ARRAY_BUFFER, iCoordinateColorBuffer); |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
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parents:
diff
changeset
|
145 |
GLCheckError(); |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
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parents:
diff
changeset
|
146 |
|
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
Gareth Stockwell <gareth.stockwell@accenture.com>
parents:
diff
changeset
|
147 |
// Allocate memory for coordinate/color buffer |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
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parents:
diff
changeset
|
148 |
RDebug::Printf("[EBT] CGLES1Cube::KhrSetup glBufferData coordinate/color"); |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
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parents:
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changeset
|
149 |
glBufferData(GL_ARRAY_BUFFER, coordinateDataSize + colorDataSize, 0, GL_STATIC_DRAW); |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
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parents:
diff
changeset
|
150 |
GLCheckError(); |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
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parents:
diff
changeset
|
151 |
|
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
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parents:
diff
changeset
|
152 |
// Upload coordinate/color data |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
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parents:
diff
changeset
|
153 |
RDebug::Printf("[EBT] CGLES1Cube::KhrSetup supply coordinate/color data"); |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
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parents:
diff
changeset
|
154 |
GLubyte indexData[IndexCount]; |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
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parents:
diff
changeset
|
155 |
for (TInt i=0; i<FaceCount; ++i) |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
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parents:
diff
changeset
|
156 |
{ |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
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parents:
diff
changeset
|
157 |
RDebug::Printf("[EBT] CGLES1Cube::KhrSetup face %d", i); |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
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parents:
diff
changeset
|
158 |
// Upload coordinate/color data for this face |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
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parents:
diff
changeset
|
159 |
for (TInt j=0; j<VerticesPerFace; ++j) |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
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parents:
diff
changeset
|
160 |
{ |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
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parents:
diff
changeset
|
161 |
const TInt vertexIndex = FaceData[i * VerticesPerFace + j]; |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
Gareth Stockwell <gareth.stockwell@accenture.com>
parents:
diff
changeset
|
162 |
const TInt destIndex = (i * VerticesPerFace) + j; |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
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parents:
diff
changeset
|
163 |
const GLfloat *coordSrc = CoordinateData + vertexIndex * CoordinateElementCount; |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
Gareth Stockwell <gareth.stockwell@accenture.com>
parents:
diff
changeset
|
164 |
const TInt coordDest = destIndex * coordinateSize; |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
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parents:
diff
changeset
|
165 |
const GLfloat *colorSrc = ColorData + vertexIndex * ColorElementCount; |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
Gareth Stockwell <gareth.stockwell@accenture.com>
parents:
diff
changeset
|
166 |
const TInt colorDest = coordinateDataSize + destIndex * colorSize; |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
Gareth Stockwell <gareth.stockwell@accenture.com>
parents:
diff
changeset
|
167 |
RDebug::Printf("[EBT] CGLES1Cube::KhrSetup vertex %d (%d) destIndex %d coordDest %d colorDest %d", |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
Gareth Stockwell <gareth.stockwell@accenture.com>
parents:
diff
changeset
|
168 |
j, vertexIndex, destIndex, coordDest, colorDest); |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
Gareth Stockwell <gareth.stockwell@accenture.com>
parents:
diff
changeset
|
169 |
RDebug::Printf("[EBT] CGLES1Cube::KhrSetup coord %3.1f %3.1f %3.1f", |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
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parents:
diff
changeset
|
170 |
*(coordSrc), *(coordSrc + 1), *(coordSrc + 2)); |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
Gareth Stockwell <gareth.stockwell@accenture.com>
parents:
diff
changeset
|
171 |
RDebug::Printf("[EBT] CGLES1Cube::KhrSetup color %3.1f %3.1f %3.1f", |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
Gareth Stockwell <gareth.stockwell@accenture.com>
parents:
diff
changeset
|
172 |
*(colorSrc), *(colorSrc + 1), *(colorSrc + 2)); |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
Gareth Stockwell <gareth.stockwell@accenture.com>
parents:
diff
changeset
|
173 |
glBufferSubData(GL_ARRAY_BUFFER, coordDest, coordinateSize, coordSrc); |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
Gareth Stockwell <gareth.stockwell@accenture.com>
parents:
diff
changeset
|
174 |
GLCheckError(); |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
Gareth Stockwell <gareth.stockwell@accenture.com>
parents:
diff
changeset
|
175 |
glBufferSubData(GL_ARRAY_BUFFER, colorDest, colorSize, colorSrc); |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
Gareth Stockwell <gareth.stockwell@accenture.com>
parents:
diff
changeset
|
176 |
GLCheckError(); |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
Gareth Stockwell <gareth.stockwell@accenture.com>
parents:
diff
changeset
|
177 |
} |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
Gareth Stockwell <gareth.stockwell@accenture.com>
parents:
diff
changeset
|
178 |
|
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
Gareth Stockwell <gareth.stockwell@accenture.com>
parents:
diff
changeset
|
179 |
// Store vertex indices for this face |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
Gareth Stockwell <gareth.stockwell@accenture.com>
parents:
diff
changeset
|
180 |
TInt indexDataOffset = i * TrianglesPerFace * VerticesPerTriangle; |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
Gareth Stockwell <gareth.stockwell@accenture.com>
parents:
diff
changeset
|
181 |
TInt indexBase = i * VerticesPerFace; |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
Gareth Stockwell <gareth.stockwell@accenture.com>
parents:
diff
changeset
|
182 |
for (TInt j=0; j<TrianglesPerFace * VerticesPerTriangle; ++j) |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
Gareth Stockwell <gareth.stockwell@accenture.com>
parents:
diff
changeset
|
183 |
{ |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
Gareth Stockwell <gareth.stockwell@accenture.com>
parents:
diff
changeset
|
184 |
RDebug::Printf("[EBT] CGLES1Cube::KhrSetup index %d offset %d value %d", |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
Gareth Stockwell <gareth.stockwell@accenture.com>
parents:
diff
changeset
|
185 |
j, indexDataOffset, indexBase + FaceIndexData[j]); |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
Gareth Stockwell <gareth.stockwell@accenture.com>
parents:
diff
changeset
|
186 |
indexData[indexDataOffset++] = indexBase + FaceIndexData[j]; |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
Gareth Stockwell <gareth.stockwell@accenture.com>
parents:
diff
changeset
|
187 |
} |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
Gareth Stockwell <gareth.stockwell@accenture.com>
parents:
diff
changeset
|
188 |
} |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
Gareth Stockwell <gareth.stockwell@accenture.com>
parents:
diff
changeset
|
189 |
|
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
Gareth Stockwell <gareth.stockwell@accenture.com>
parents:
diff
changeset
|
190 |
// Tell GL engine how to unpack coordinate/color buffer |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
Gareth Stockwell <gareth.stockwell@accenture.com>
parents:
diff
changeset
|
191 |
RDebug::Printf("[EBT] CGLES1Cube::KhrSetup glVertexPointer"); |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
Gareth Stockwell <gareth.stockwell@accenture.com>
parents:
diff
changeset
|
192 |
glVertexPointer(CoordinateElementCount, GL_FLOAT, 0, 0); |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
Gareth Stockwell <gareth.stockwell@accenture.com>
parents:
diff
changeset
|
193 |
GLCheckError(); |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
Gareth Stockwell <gareth.stockwell@accenture.com>
parents:
diff
changeset
|
194 |
RDebug::Printf("[EBT] CGLES1Cube::KhrSetup glColorPointer"); |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
Gareth Stockwell <gareth.stockwell@accenture.com>
parents:
diff
changeset
|
195 |
glColorPointer(ColorElementCount, GL_FLOAT, 0, reinterpret_cast<GLvoid*>(coordinateDataSize)); |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
Gareth Stockwell <gareth.stockwell@accenture.com>
parents:
diff
changeset
|
196 |
GLCheckError(); |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
Gareth Stockwell <gareth.stockwell@accenture.com>
parents:
diff
changeset
|
197 |
|
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
Gareth Stockwell <gareth.stockwell@accenture.com>
parents:
diff
changeset
|
198 |
// Create index buffer |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
Gareth Stockwell <gareth.stockwell@accenture.com>
parents:
diff
changeset
|
199 |
RDebug::Printf("[EBT] CGLES1Cube::KhrSetup glGenBuffers index"); |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
Gareth Stockwell <gareth.stockwell@accenture.com>
parents:
diff
changeset
|
200 |
glGenBuffers(1, &iIndexBuffer); |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
Gareth Stockwell <gareth.stockwell@accenture.com>
parents:
diff
changeset
|
201 |
GLCheckError(); |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
Gareth Stockwell <gareth.stockwell@accenture.com>
parents:
diff
changeset
|
202 |
RDebug::Printf("[EBT] CGLES1Cube::KhrSetup glBindBuffer index"); |
097e92a68d68
Added GLES 1.x spinning cube-rendering code to eglbringuptest
Gareth Stockwell <gareth.stockwell@accenture.com>
parents:
diff
changeset
|
203 |
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, iIndexBuffer); |
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Added GLES 1.x spinning cube-rendering code to eglbringuptest
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GLCheckError(); |
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// Allocate memory for index buffer and upload index data |
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RDebug::Printf("[EBT] CGLES1Cube::KhrSetup glBufferData index"); |
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glBufferData(GL_ELEMENT_ARRAY_BUFFER, IndexCount, indexData, GL_STATIC_DRAW); |
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GLCheckError(); |
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glEnableClientState(GL_VERTEX_ARRAY); |
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GLCheckError(); |
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glEnableClientState(GL_COLOR_ARRAY); |
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GLCheckError(); |
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|
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StartRedrawTimer(); |
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} |
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|
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void CGLES1Cube::KhrPaint() |
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{ |
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RDebug::Printf("[EBT] CGLES1Cube::KhrPaint"); |
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|
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glLoadIdentity(); |
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); |
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|
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glMatrixMode(GL_PROJECTION); |
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glLoadIdentity(); |
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glOrthof(-1.5f, 1.5f, -2.5f, 2.5f, -10.5f, 10.5f); |
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|
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glMatrixMode(GL_MODELVIEW); |
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iAngle = (iAngle + 1.0f); |
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if (iAngle > 360.0f) |
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{ |
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iAngle -= 360.0f; |
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} |
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glRotatef(iAngle, 0.0f, 1.0f, 0.5f); |
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|
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glDrawElements(GL_TRIANGLES, IndexCount, GL_UNSIGNED_BYTE, 0); |
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} |
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