CachedTextureInfo TextureCache::GetOrLoadImageTexture(uint32 image)
{
image &= 0x7FFFF;
auto kvp = _imageTextureMap.find(image);
if (kvp != _imageTextureMap.end())
{
return kvp->second;
}
auto cacheInfo = LoadImageTexture(image);
_imageTextureMap[image] = cacheInfo;
return cacheInfo;
}
BasicTextureInfo TextureCache::GetOrLoadImageTexture(uint32 image)
{
image &= 0x7FFFF;
uint32 index = _indexMap[image];
if (index != UNUSED_INDEX)
{
const auto& info = _textureCache[index];
return
{
info.index,
info.normalizedBounds,
};
}
index = (uint32)_textureCache.size();
AtlasTextureInfo info = LoadImageTexture(image);
_textureCache.push_back(info);
_indexMap[image] = index;
return info;
}
int Project::Initialize()
{
/* to be filled in by the app if it sets camera params */
GzCamera camera;
int xRes, yRes, dispClass; /* display parameters */
GzToken nameListShader[9]; /* shader attribute names */
GzPointer valueListShader[9]; /* shader attribute pointers */
GzToken nameListLights[10]; /* light info */
GzPointer valueListLights[10];
int shaderType, interpStyle;
float specpower;
int status;
status = 0;
/*
* Allocate memory for user input
*/
m_pUserInput = new GzInput;
/*
* initialize the display and the renderer
*/
m_nWidth = 512; // frame buffer and display width
m_nHeight = 512; // frame buffer and display height
status |= GzNewFrameBuffer(&m_pFrameBuffer, m_nWidth, m_nHeight);
status |= GzNewFrameBuffer(&m_p3DImageInRGB, m_nWidth, m_nHeight);
status |= GzNewFrameBuffer(&m_pDepthMap, m_nWidth, m_nHeight);
status |= GzNewFrameBuffer(&m_pDepthMapBlurred, m_nWidth, m_nHeight);
status |= GzNewFrameBuffer(&m_pEdgeMap, m_nWidth, m_nHeight);
status |= GzNewFrameBuffer(&m_p3DImageBlurred, m_nWidth, m_nHeight);
status |= GzNewFrameBuffer(&m_pTexture, m_nWidth, m_nHeight);
status |= GzNewFrameBuffer(&m_pProceduralTexture, m_nWidth, m_nHeight);
status |= GzNewFrameBuffer(&m_pImageTexture, m_nWidth, m_nHeight);
status |= GzNewFrameBuffer(&m_pTextureImageMult, m_nWidth, m_nHeight);
status |= GzNewFrameBuffer(&m_pFinalImage, m_nWidth, m_nHeight);
status |= GzNewFrameBuffer(&m_pGradient, m_nWidth, m_nHeight);
status |= GzNewFloatArray(&m_pFF1_x, m_nWidth, m_nHeight);
status |= GzNewFloatArray(&m_pFF1_y, m_nWidth, m_nHeight);
status |= GzNewFloatArray(&m_pFF_x, m_nWidth, m_nHeight);
status |= GzNewFloatArray(&m_pFF_y, m_nWidth, m_nHeight);
status |= GzNewDisplay(&m_pDisplay, GZ_RGBAZ_DISPLAY, m_nWidth, m_nHeight);
status |= GzGetDisplayParams(m_pDisplay, &xRes, &yRes, &dispClass);
status |= GzInitDisplay(m_pDisplay);
status |= GzNewRender(&m_pRender, GZ_Z_BUFFER_RENDER, m_pDisplay);
/* Translation matrix */
GzMatrix scale =
{
3.25, 0.0, 0.0, 0.0,
0.0, 3.25, 0.0, -3.25,
0.0, 0.0, 3.25, 3.5,
0.0, 0.0, 0.0, 1.0
};
GzMatrix rotateX =
{
1.0, 0.0, 0.0, 0.0,
0.0, .7071, .7071, 0.0,
0.0, -.7071, .7071, 0.0,
0.0, 0.0, 0.0, 1.0
};
GzMatrix rotateY =
{
.866, 0.0, -0.5, 0.0,
0.0, 1.0, 0.0, 0.0,
0.5, 0.0, .866, 0.0,
0.0, 0.0, 0.0, 1.0
};
#if 0 /* set up app-defined camera if desired, else use camera defaults */
camera.position[X] = 13.2;
camera.position[Y] = -8.7;
camera.position[Z] = -14.8;
camera.lookat[X] = 0.8;
camera.lookat[Y] = 0.7;
camera.lookat[Z] = 4.5;
camera.worldup[X] = -0.2;
camera.worldup[Y] = 1.0;
camera.worldup[Z] = 0.0;
camera.FOV = 53.7; /* degrees */
status |= GzPutCamera(m_pRender, &camera);
#endif
/* Start Renderer */
status |= GzBeginRender(m_pRender);
/* Light */
/* Material property */
GzColor specularCoefficient = { 0.3, 0.3, 0.3 };
GzColor ambientCoefficient = { 0.1, 0.1, 0.1 };
GzColor diffuseCoefficient = {0.7, 0.7, 0.7};
/*
renderer is ready for frame --- define lights and shader at start of frame
*/
/*
* Tokens associated with light parameters
*/
nameListLights[0] = GZ_DIRECTIONAL_LIGHT;
valueListLights[0] = (GzPointer)&light1;
nameListLights[1] = GZ_DIRECTIONAL_LIGHT;
valueListLights[1] = (GzPointer)&light2;
status |= GzPutAttribute(m_pRender, 2, nameListLights, valueListLights);
nameListLights[0] = GZ_AMBIENT_LIGHT;
valueListLights[0] = (GzPointer)&ambientLight;
status |= GzPutAttribute(m_pRender, 1, nameListLights, valueListLights);
/*
* Tokens associated with shading
*/
nameListShader[0] = GZ_DIFFUSE_COEFFICIENT;
valueListShader[0] = (GzPointer)diffuseCoefficient;
/*
* Select either GZ_COLOR or GZ_NORMALS as interpolation mode
*/
nameListShader[1] = GZ_INTERPOLATE;
interpStyle = GZ_NORMAL; /* Phong shading */
valueListShader[1] = (GzPointer)&interpStyle;
nameListShader[2] = GZ_AMBIENT_COEFFICIENT;
valueListShader[2] = (GzPointer)ambientCoefficient;
nameListShader[3] = GZ_SPECULAR_COEFFICIENT;
valueListShader[3] = (GzPointer)specularCoefficient;
nameListShader[4] = GZ_DISTRIBUTION_COEFFICIENT;
specpower = 32;
valueListShader[4] = (GzPointer)&specpower;
status |= GzPutAttribute(m_pRender, 5, nameListShader, valueListShader);
//status |= GzPushMatrix(m_pRender, scale);
//status |= GzPushMatrix(m_pRender, rotateY);
//status |= GzPushMatrix(m_pRender, rotateX);
LoadProceduralTexture(m_pProceduralTexture);
LoadImageTexture(m_pImageTexture);
if (status) exit(GZ_FAILURE);
if (status)
return(GZ_FAILURE);
else
return(GZ_SUCCESS);
}
