void Demo::Init() {
glGenTextures(1, &mColTex);
glBindTexture(GL_TEXTURE_2D, mColTex);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, WindowWidth, WindowHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0);
glGenTextures(1, &mDepthTex);
glBindTexture(GL_TEXTURE_2D, mDepthTex);
glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH24_STENCIL8, WindowWidth, WindowHeight, 0, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, 0);
glGenFramebuffers(1, &mFramebuffer);
glBindFramebuffer(GL_FRAMEBUFFER, mFramebuffer);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mColTex, 0);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, mDepthTex, 0);
ASSERT(glCheckFramebufferStatus(GL_FRAMEBUFFER) == GL_FRAMEBUFFER_COMPLETE);
glFrontFace(GL_CW);
glCullFace(GL_BACK);
glEnable(GL_CULL_FACE);
glClearColor(0.0f, 0.125f, 0.3f, 1.0f);
mExtrudeEffect.Create();
mExtrudeEffect.AddCompileFlags(HLSLCC_FLAG_GS_ENABLED);
mExtrudeEffect.FromByteFile(std::string("shaders/ExtrudePS.o"));
mExtrudeEffect.FromByteFile(std::string("shaders/ExtrudeVS.o"));
mExtrudeEffect.FromByteFile(std::string("shaders/ExtrudeGS.o"));
mExtrudeEffect.Link();
gWorld = Matrix4::identity();
Point3 Eye( 0.0f, 0.0f, -800.0f );
Point3 At( 0.0f, 0.0f, 0.0f );
Vector3 Up( 0.0f, 1.0f, 0.0f );
gView = Matrix4::lookAt(Eye, At, Up);
ResizeDisplay(WindowWidth, WindowHeight);
gModel.Import3DFromFile("models/Tiny.x");
}
void Init(int argc, char** argv)
{
glutInit(&argc, argv);
glutInitDisplayMode (GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
glewInit();
glutInitContextVersion (4, 0);
#ifdef _DEBUG
glutInitContextFlags (GLUT_DEBUG);
#endif
glutInitWindowSize (WindowWidth, WindowHeight);
glutInitWindowPosition (50, 50);
glutCreateWindow (argv[0]);
glutDisplayFunc(display);
glutReshapeFunc(reshape);
glutKeyboardFunc (keyboard);
glutIdleFunc(display);
glewInit();
#ifdef _DEBUG
SetupOpenGLDebugCallback();
#endif
glClearColor(0.0f, 0.125f, 0.3f, 1.0f);
GLuint vao;
glGenVertexArrays(1, &vao);
glBindVertexArray(vao);
glEnableVertexAttribArray(0);
glEnableVertexAttribArray(1);
mTessEffect.Create();
mTessEffect.SetLanguage(LANG_400);
mTessEffect.AddCompileFlags(HLSLCC_FLAG_TESS_ENABLED);
mTessEffect.FromByteFile(std::string("shaders/tessellationPS.o"));
mTessEffect.FromByteFile(std::string("shaders/tessellationVS.o"));
mTessEffect.FromByteFile(std::string("shaders/tessellationHS.o"));
mTessEffect.FromByteFile(std::string("shaders/tessellationDS.o"));
gWorld = Matrix4::identity();
Point3 Eye( 0.0f, 4.0f, -10.0f );
Point3 At( 0.0f, 1.0f, 0.0f );
Vector3 Up( 0.0f, 1.0f, 0.0f );
gView = Matrix4::lookAt(Eye, At, Up);
gProjection = Matrix4::perspective(3.14159f * 0.25f, WindowWidth / ( float )WindowHeight, 0.1f, 100.0f);
uint32_t indices[] =
{
0, 1, 2, 3,
4, 5, 6, 7,
8, 9, 10, 11,
12, 13, 14, 15,
16, 17, 18, 19,
20, 21, 22, 23,
};
glGenBuffers(1, &gIndexBuffer);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, gIndexBuffer);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(uint32_t) * 24,
indices, GL_STATIC_DRAW);
SimpleVertex vertices[] =
{
{ { -1.0f, 1.0f, -1.0f }, { 0.0f, 1.0f, 0.0f } },
{ { 1.0f, 1.0f, -1.0f }, { 0.0f, 1.0f, 0.0f } },
{ { 1.0f, 1.0f, 1.0f }, { 0.0f, 1.0f, 0.0f } },
{ { -1.0f, 1.0f, 1.0f }, { 0.0f, 1.0f, 0.0f } },
{ { -1.0f, -1.0f, -1.0f }, { 0.0f, 1.0f, 0.0f } },
{ { 1.0f, -1.0f, -1.0f }, { 0.0f, 1.0f, 0.0f } },
{ { 1.0f, -1.0f, 1.0f }, { 0.0f, 1.0f, 0.0f } },
{ { -1.0f, -1.0f, 1.0f }, { 0.0f, 1.0f, 0.0f } },
{ { -1.0f, -1.0f, 1.0f }, { 1.0f, 0.0f, 0.0f } },
{ { -1.0f, -1.0f, -1.0f }, { 1.0f, 0.0f, 0.0f } },
{ { -1.0f, 1.0f, -1.0f }, { 1.0f, 0.0f, 0.0f } },
{ { -1.0f, 1.0f, 1.0f }, { 1.0f, 0.0f, 0.0f } },
{ { 1.0f, -1.0f, 1.0f }, { 1.0f, 0.0f, 0.0f } },
{ { 1.0f, -1.0f, -1.0f }, { 1.0f, 0.0f, 0.0f } },
{ { 1.0f, 1.0f, -1.0f }, { 1.0f, 0.0f, 0.0f } },
{ { 1.0f, 1.0f, 1.0f }, { 1.0f, 0.0f, 0.0f } },
{ { -1.0f, -1.0f, -1.0f }, { 0.0f, 0.0f, 1.0f } },
{ { 1.0f, -1.0f, -1.0f }, { 0.0f, 0.0f, 1.0f } },
{ { 1.0f, 1.0f, -1.0f }, { 0.0f, 0.0f, 1.0f } },
{ { -1.0f, 1.0f, -1.0f }, { 0.0f, 0.0f, 1.0f } },
{ { -1.0f, -1.0f, 1.0f }, { 0.0f, 0.0f, 1.0f } },
{ { 1.0f, -1.0f, 1.0f }, { 0.0f, 0.0f, 1.0f } },
{ { 1.0f, 1.0f, 1.0f }, { 0.0f, 0.0f, 1.0f } },
{ { -1.0f, 1.0f, 1.0f }, { 0.0f, 0.0f, 1.0f } },
};
glGenBuffers(1, &gVertexBuffer);
glBindBuffer(GL_ARRAY_BUFFER, gVertexBuffer);
glBufferData(GL_ARRAY_BUFFER, sizeof(SimpleVertex) * 24,
vertices, GL_STATIC_DRAW);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, sizeof(SimpleVertex), 0);
glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, sizeof(SimpleVertex), (void*)(sizeof(float)*3));
}
void Init(int argc, char** argv)
{
glutInit(&argc, argv);
glutInitDisplayMode (GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
glewInit();
glutInitContextVersion (3, 1);
#ifdef _DEBUG
glutInitContextFlags (GLUT_DEBUG);
#endif
glutInitWindowSize (WindowWidth, WindowHeight);
glutInitWindowPosition (50, 50);
glutCreateWindow (argv[0]);
glutDisplayFunc(display);
glutReshapeFunc(reshape);
glutKeyboardFunc (keyboard);
glutIdleFunc(display);
glewInit();
#ifdef _DEBUG
SetupOpenGLDebugCallback();
#endif
glFrontFace(GL_CCW);
glCullFace(GL_BACK);
glEnable(GL_CULL_FACE);
glClearColor(0.0f, 0.125f, 0.3f, 1.0f);
GLuint vao;
glGenVertexArrays(1, &vao);
glBindVertexArray(vao);
glEnableVertexAttribArray(0);
glEnableVertexAttribArray(1);
mLambertLitEffect.Create();
#if UBO
mLambertLitEffect.AddCompileFlags(HLSLCC_FLAG_UNIFORM_BUFFER_OBJECT);
#endif
mLambertLitEffect.FromByteFile(std::string("shaders/LambertLitVS.o"));
mLambertLitEffect.FromByteFile(std::string("shaders/LambertLitPS.o"));
mSolidColour.Create();
#if UBO
mSolidColour.AddCompileFlags(HLSLCC_FLAG_UNIFORM_BUFFER_OBJECT);
#endif
mSolidColour.FromByteFile(std::string("shaders/LambertLitVS.o"));
mSolidColour.FromByteFile(std::string("shaders/LambertLitSolidPS.o"));
#if UBO
mLambertLitEffect.Enable();//Must be linked in order to call CreateUniformBlock.
mLambertLitEffect.CreateUniformBlock(std::string("SharedConsts"), ubo);
mLambertLitEffect.SetUniformBlock(std::string("SharedConsts"), 0, ubo);
mSolidColour.Enable();
mSolidColour.CreateUniformBlock(std::string("SharedConsts"), ubo2);
mSolidColour.SetUniformBlock(std::string("SharedConsts"), 1, ubo2);
#endif
gWorld = Matrix4::identity();
Point3 Eye( 0.0f, 4.0f, -10.0f );
Point3 At( 0.0f, 1.0f, 0.0f );
Vector3 Up( 0.0f, 1.0f, 0.0f );
gView = Matrix4::lookAt(Eye, At, Up);
gProjection = Matrix4::perspective(3.14159f * 0.25f, WindowWidth / ( float )WindowHeight, 0.1f, 100.0f);
uint32_t indices[] =
{
3,1,0,
2,1,3,
6,4,5,
7,4,6,
11,9,8,
10,9,11,
14,12,13,
15,12,14,
19,17,16,
18,17,19,
22,20,21,
23,20,22
};
glGenBuffers(1, &gIndexBuffer);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, gIndexBuffer);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(uint32_t) * 36,
indices, GL_STATIC_DRAW);
SimpleVertex vertices[] =
{
{ { -1.0f, 1.0f, -1.0f }, { 0.0f, 1.0f, 0.0f } },
{ { 1.0f, 1.0f, -1.0f }, { 0.0f, 1.0f, 0.0f } },
{ { 1.0f, 1.0f, 1.0f }, { 0.0f, 1.0f, 0.0f } },
{ { -1.0f, 1.0f, 1.0f }, { 0.0f, 1.0f, 0.0f } },
{ { -1.0f, -1.0f, -1.0f }, { 0.0f, -1.0f, 0.0f } },
{ { 1.0f, -1.0f, -1.0f }, { 0.0f, -1.0f, 0.0f } },
{ { 1.0f, -1.0f, 1.0f }, { 0.0f, -1.0f, 0.0f } },
{ { -1.0f, -1.0f, 1.0f }, { 0.0f, -1.0f, 0.0f } },
{ { -1.0f, -1.0f, 1.0f }, { -1.0f, 0.0f, 0.0f } },
{ { -1.0f, -1.0f, -1.0f }, { -1.0f, 0.0f, 0.0f } },
{ { -1.0f, 1.0f, -1.0f }, { -1.0f, 0.0f, 0.0f } },
{ { -1.0f, 1.0f, 1.0f }, { -1.0f, 0.0f, 0.0f } },
{ { 1.0f, -1.0f, 1.0f }, { 1.0f, 0.0f, 0.0f } },
{ { 1.0f, -1.0f, -1.0f }, { 1.0f, 0.0f, 0.0f } },
{ { 1.0f, 1.0f, -1.0f }, { 1.0f, 0.0f, 0.0f } },
{ { 1.0f, 1.0f, 1.0f }, { 1.0f, 0.0f, 0.0f } },
{ { -1.0f, -1.0f, -1.0f }, { 0.0f, 0.0f, -1.0f } },
{ { 1.0f, -1.0f, -1.0f }, { 0.0f, 0.0f, -1.0f } },
{ { 1.0f, 1.0f, -1.0f }, { 0.0f, 0.0f, -1.0f } },
{ { -1.0f, 1.0f, -1.0f }, { 0.0f, 0.0f, -1.0f } },
{ { -1.0f, -1.0f, 1.0f }, { 0.0f, 0.0f, 1.0f } },
{ { 1.0f, -1.0f, 1.0f }, { 0.0f, 0.0f, 1.0f } },
{ { 1.0f, 1.0f, 1.0f }, { 0.0f, 0.0f, 1.0f } },
{ { -1.0f, 1.0f, 1.0f }, { 0.0f, 0.0f, 1.0f } },
};
glGenBuffers(1, &gVertexBuffer);
glBindBuffer(GL_ARRAY_BUFFER, gVertexBuffer);
glBufferData(GL_ARRAY_BUFFER, sizeof(SimpleVertex) * 24,
vertices, GL_STATIC_DRAW);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, sizeof(SimpleVertex), 0);
glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, sizeof(SimpleVertex), (void*)(sizeof(float)*3));
}