ShaderID Renderer::addShader(const char *fileName, const char *extraDefines){
FILE *file = fopen(fileName, "rb");
if (file == NULL){
addToLog(String("Couldn't load \"") + fileName + "\"");
} else {
// Find file size
fseek(file, 0, SEEK_END);
int length = ftell(file);
fseek(file, 0, SEEK_SET);
char *shaderText = new char[length + 1];
fread(shaderText, length, 1, file);
fclose(file);
shaderText[length] = '\0';
char *vertexShader = strstr(shaderText, "[Vertex shader]");
char *fragmentShader = strstr(shaderText, "[Fragment shader]");
if (vertexShader != NULL){
*vertexShader = '\0';
vertexShader += 15;
}
if (fragmentShader != NULL){
*fragmentShader = '\0';
fragmentShader += 17;
}
String vShaderString, fShaderString;
if (vertexShader != NULL){
int n = 0;
char *str = shaderText;
while (str < vertexShader){
if (*str == '\n') n++;
str++;
}
if (extraDefines) vShaderString = extraDefines;
vShaderString.sprintf("#line %d\n", n);
vShaderString += vertexShader;
}
if (fragmentShader != NULL){
int n = 0;
char *str = shaderText;
while (str < fragmentShader){
if (*str == '\n') n++;
str++;
}
if (extraDefines) fShaderString = extraDefines;
fShaderString.sprintf("#line %d\n", n);
fShaderString += fragmentShader;
}
Shader shader;
bool res = createShader(shader, vertexShader? (const char *) vShaderString : NULL, fragmentShader? (const char *) fShaderString : NULL);
delete shaderText;
if (res) return insertShader(shader);
}
return SHADER_NONE;
}
ShaderClass::ShaderClass(std::string _vertexShader, std::string _geometryShader, std::string _hullShader,
std::string _domainShader, std::string _pixelShader, RenderInterface *_g, int _layoutType, bool _streamOutEnabled)
{
graphics = _g;
vertexShaderIndex = insertShader(_vertexShader, "vs_5_0", _layoutType);
if(_streamOutEnabled == false)
{
geometryShaderIndex = insertShader(_geometryShader, "gs_5_0", -1);
}
else
{
geometryShaderIndex = graphics->createGeometryStreamOut(_geometryShader, "gs_5_0");
}
hullShaderIndex = insertShader(_hullShader, "hs_5_0", -1);
domainShaderIndex = insertShader(_domainShader, "ds_5_0", -1);
pixelShaderIndex = insertShader(_pixelShader, "ps_5_0", -1);
}
void MainForm::insertGeometry(engine::IGeometry* geometry, HTREEITEM parentItem)
{
HTREEITEM geometryItem = assetGraph.InsertItem(
geometry->getName(),
4, 4,
parentItem,
TVI_LAST
);
assert( geometryItem != NULL );
assetGraph.SetItemData( geometryItem, (DWORD)( geometry ) );
for( int i=0; i<geometry->getNumShaders(); i++ )
{
insertShader( geometry->getShader( i ), geometryItem );
}
}
