virtual void Reload()
{
Unload();
CVFSFile vertexFile;
if (vertexFile.Load(g_VFS, m_VertexFile) != PSRETURN_OK)
return;
CVFSFile fragmentFile;
if (fragmentFile.Load(g_VFS, m_FragmentFile) != PSRETURN_OK)
return;
CPreprocessorWrapper preprocessor;
preprocessor.AddDefines(m_Defines);
CStr vertexCode = preprocessor.Preprocess(vertexFile.GetAsString());
CStr fragmentCode = preprocessor.Preprocess(fragmentFile.GetAsString());
// printf(">>>\n%s<<<\n", vertexCode.c_str());
// printf(">>>\n%s<<<\n", fragmentCode.c_str());
if (!Compile(GL_VERTEX_PROGRAM_ARB, "vertex", m_VertexProgram, m_VertexFile, vertexCode))
return;
if (!Compile(GL_FRAGMENT_PROGRAM_ARB, "fragment", m_FragmentProgram, m_FragmentFile, fragmentCode))
return;
m_IsValid = true;
}
virtual void Reload()
{
Unload();
CVFSFile vertexFile;
if (vertexFile.Load(g_VFS, m_VertexFile) != PSRETURN_OK)
return;
CVFSFile fragmentFile;
if (fragmentFile.Load(g_VFS, m_FragmentFile) != PSRETURN_OK)
return;
CPreprocessorWrapper preprocessor;
preprocessor.AddDefines(m_Defines);
#if CONFIG2_GLES
// GLES defines the macro "GL_ES" in its GLSL preprocessor,
// but since we run our own preprocessor first, we need to explicitly
// define it here
preprocessor.AddDefine("GL_ES", "1");
#endif
CStr vertexCode = preprocessor.Preprocess(vertexFile.GetAsString());
CStr fragmentCode = preprocessor.Preprocess(fragmentFile.GetAsString());
#if CONFIG2_GLES
// Ugly hack to replace desktop GLSL 1.10/1.20 with GLSL ES 1.00,
// and also to set default float precision for fragment shaders
vertexCode.Replace("#version 110\n", "#version 100\n");
vertexCode.Replace("#version 110\r\n", "#version 100\n");
vertexCode.Replace("#version 120\n", "#version 100\n");
vertexCode.Replace("#version 120\r\n", "#version 100\n");
fragmentCode.Replace("#version 110\n", "#version 100\nprecision mediump float;\n");
fragmentCode.Replace("#version 110\r\n", "#version 100\nprecision mediump float;\n");
fragmentCode.Replace("#version 120\n", "#version 100\nprecision mediump float;\n");
fragmentCode.Replace("#version 120\r\n", "#version 100\nprecision mediump float;\n");
#endif
if (!Compile(m_VertexShader, m_VertexFile, vertexCode))
return;
if (!Compile(m_FragmentShader, m_FragmentFile, fragmentCode))
return;
if (!Link())
return;
m_IsValid = true;
}
bool CShaderManager::NewProgram(const char* name, const CShaderDefines& baseDefines, CShaderProgramPtr& program)
{
PROFILE2("loading shader");
PROFILE2_ATTR("name: %s", name);
if (strncmp(name, "fixed:", 6) == 0)
{
program = CShaderProgramPtr(CShaderProgram::ConstructFFP(name+6, baseDefines));
if (!program)
return false;
program->Reload();
return true;
}
VfsPath xmlFilename = L"shaders/" + wstring_from_utf8(name) + L".xml";
CXeromyces XeroFile;
PSRETURN ret = XeroFile.Load(g_VFS, xmlFilename);
if (ret != PSRETURN_OK)
return false;
#if USE_SHADER_XML_VALIDATION
{
TIMER_ACCRUE(tc_ShaderValidation);
// Serialize the XMB data and pass it to the validator
XML_Start();
XML_SetPrettyPrint(false);
XML_WriteXMB(XeroFile);
bool ok = m_Validator.ValidateEncoded(wstring_from_utf8(name), XML_GetOutput());
if (!ok)
return false;
}
#endif
// Define all the elements and attributes used in the XML file
#define EL(x) int el_##x = XeroFile.GetElementID(#x)
#define AT(x) int at_##x = XeroFile.GetAttributeID(#x)
EL(attrib);
EL(define);
EL(fragment);
EL(stream);
EL(uniform);
EL(vertex);
AT(file);
AT(if);
AT(loc);
AT(name);
AT(semantics);
AT(type);
AT(value);
#undef AT
#undef EL
CPreprocessorWrapper preprocessor;
preprocessor.AddDefines(baseDefines);
XMBElement Root = XeroFile.GetRoot();
bool isGLSL = (Root.GetAttributes().GetNamedItem(at_type) == "glsl");
VfsPath vertexFile;
VfsPath fragmentFile;
CShaderDefines defines = baseDefines;
std::map<CStrIntern, int> vertexUniforms;
std::map<CStrIntern, CShaderProgram::frag_index_pair_t> fragmentUniforms;
std::map<CStrIntern, int> vertexAttribs;
int streamFlags = 0;
XERO_ITER_EL(Root, Child)
{
if (Child.GetNodeName() == el_define)
{
defines.Add(CStrIntern(Child.GetAttributes().GetNamedItem(at_name)), CStrIntern(Child.GetAttributes().GetNamedItem(at_value)));
}
else if (Child.GetNodeName() == el_vertex)
{
vertexFile = L"shaders/" + Child.GetAttributes().GetNamedItem(at_file).FromUTF8();
XERO_ITER_EL(Child, Param)
{
XMBAttributeList Attrs = Param.GetAttributes();
CStr cond = Attrs.GetNamedItem(at_if);
if (!cond.empty() && !preprocessor.TestConditional(cond))
continue;
if (Param.GetNodeName() == el_uniform)
{
vertexUniforms[CStrIntern(Attrs.GetNamedItem(at_name))] = Attrs.GetNamedItem(at_loc).ToInt();
}
else if (Param.GetNodeName() == el_stream)
{
CStr StreamName = Attrs.GetNamedItem(at_name);
if (StreamName == "pos")
streamFlags |= STREAM_POS;
else if (StreamName == "normal")
streamFlags |= STREAM_NORMAL;
else if (StreamName == "color")
streamFlags |= STREAM_COLOR;
else if (StreamName == "uv0")
streamFlags |= STREAM_UV0;
else if (StreamName == "uv1")
streamFlags |= STREAM_UV1;
else if (StreamName == "uv2")
streamFlags |= STREAM_UV2;
else if (StreamName == "uv3")
streamFlags |= STREAM_UV3;
}
else if (Param.GetNodeName() == el_attrib)
{
int attribLoc = ParseAttribSemantics(Attrs.GetNamedItem(at_semantics));
vertexAttribs[CStrIntern(Attrs.GetNamedItem(at_name))] = attribLoc;
}
}
}
