static INLINE CGparameter find_param_from_semantic(
CGparameter param, const char *sem)
{
while (param)
{
if (cgGetParameterType(param) == CG_STRUCT)
{
CGparameter ret = find_param_from_semantic(
cgGetFirstStructParameter(param), sem);
if (ret)
return ret;
}
else
{
if (cgGetParameterSemantic(param) &&
!strcmp(sem, cgGetParameterSemantic(param)) &&
cgGetParameterDirection(param) == CG_IN &&
cgGetParameterVariability(param) == CG_VARYING &&
validate_param_name(cgGetParameterName(param)))
return param;
}
param = cgGetNextParameter(param);
}
return NULL;
}
static INLINE CGparameter d3d9_cg_find_param_from_semantic(
CGparameter param, const char *sem)
{
for (; param; param = cgGetNextParameter(param))
{
const char *semantic = NULL;
if (cgGetParameterType(param) == CG_STRUCT)
{
CGparameter ret = d3d9_cg_find_param_from_semantic(
cgGetFirstStructParameter(param), sem);
if (ret)
return ret;
}
if ( cgGetParameterDirection(param) != CG_IN
|| cgGetParameterVariability(param) != CG_VARYING)
continue;
semantic = cgGetParameterSemantic(param);
if (!semantic)
continue;
if (string_is_equal(sem, semantic) &&
d3d9_cg_validate_param_name(cgGetParameterName(param)))
return param;
}
return NULL;
}
static void set_program_base_attrib(unsigned i)
{
CGparameter param = cgGetFirstParameter(prg[i].vprg, CG_PROGRAM);
for (; param; param = cgGetNextParameter(param))
{
if (cgGetParameterDirection(param) != CG_IN || cgGetParameterVariability(param) != CG_VARYING)
continue;
const char *semantic = cgGetParameterSemantic(param);
if (!semantic)
continue;
RARCH_LOG("CG: Found semantic \"%s\" in prog #%u.\n", semantic, i);
if (strcmp(semantic, "TEXCOORD") == 0 || strcmp(semantic, "TEXCOORD0") == 0)
prg[i].tex = param;
else if (strcmp(semantic, "COLOR") == 0 || strcmp(semantic, "COLOR0") == 0)
prg[i].color = param;
else if (strcmp(semantic, "POSITION") == 0)
prg[i].vertex = param;
else if (strcmp(semantic, "TEXCOORD1") == 0)
prg[i].lut_tex = param;
}
if (!prg[i].tex)
prg[i].tex = cgGetNamedParameter(prg[i].vprg, "IN.tex_coord");
if (!prg[i].color)
prg[i].color = cgGetNamedParameter(prg[i].vprg, "IN.color");
if (!prg[i].vertex)
prg[i].vertex = cgGetNamedParameter(prg[i].vprg, "IN.vertex_coord");
if (!prg[i].lut_tex)
prg[i].lut_tex = cgGetNamedParameter(prg[i].vprg, "IN.lut_tex_coord");
}
void csShaderGLCGCommon::DebugDumpParam (csString& output, CGparameter param)
{
output << "Parameter: " << cgGetParameterName (param) << "\n";
output << " Type: " <<
cgGetTypeString (cgGetParameterNamedType (param)) << "\n";
output << " Direction: " <<
cgGetEnumString (cgGetParameterDirection (param)) << "\n";
output << " Semantic: " << cgGetParameterSemantic (param) << "\n";
const CGenum var = cgGetParameterVariability (param);
output << " Variability: " << cgGetEnumString (var) << "\n";
output << " Resource: " <<
cgGetResourceString (cgGetParameterResource (param)) << "\n";
output << " Resource index: " <<
cgGetParameterResourceIndex (param) << "\n";
// Cg 2.0 seems to not like CG_DEFAULT for uniforms
if (/*(var == CG_UNIFORM) || */(var == CG_CONSTANT))
{
int nValues;
const double* values = cgGetParameterValues (param,
(var == CG_UNIFORM) ? CG_DEFAULT : CG_CONSTANT, &nValues);
if (nValues != 0)
{
output << " Values:";
for (int v = 0; v < nValues; v++)
{
output << ' ' << values[v];
}
output << "\n";
}
}
if (!cgIsParameterUsed (param, program)) output << " not used\n";
if (!cgIsParameterReferenced (param)) output << " not referenced\n";
}
static void gl_cg_set_program_base_attrib(void *data, unsigned i)
{
cg_shader_data_t *cg = (cg_shader_data_t*)data;
CGparameter param = cgGetFirstParameter(
cg->prg[i].vprg, CG_PROGRAM);
for (; param; param = cgGetNextParameter(param))
{
uint32_t semantic_hash;
const char *semantic = NULL;
if (cgGetParameterDirection(param) != CG_IN
|| cgGetParameterVariability(param) != CG_VARYING)
continue;
semantic = cgGetParameterSemantic(param);
if (!semantic)
continue;
RARCH_LOG("CG: Found semantic \"%s\" in prog #%u.\n", semantic, i);
semantic_hash = djb2_calculate(semantic);
switch (semantic_hash)
{
case SEMANTIC_TEXCOORD:
case SEMANTIC_TEXCOORD0:
cg->prg[i].tex = param;
break;
case SEMANTIC_COLOR:
case SEMANTIC_COLOR0:
cg->prg[i].color = param;
break;
case SEMANTIC_POSITION:
cg->prg[i].vertex = param;
break;
case SEMANTIC_TEXCOORD1:
cg->prg[i].lut_tex = param;
break;
}
}
if (!cg->prg[i].tex)
cg->prg[i].tex = cgGetNamedParameter(cg->prg[i].vprg, "IN.tex_coord");
if (!cg->prg[i].color)
cg->prg[i].color = cgGetNamedParameter(cg->prg[i].vprg, "IN.color");
if (!cg->prg[i].vertex)
cg->prg[i].vertex = cgGetNamedParameter(cg->prg[i].vprg, "IN.vertex_coord");
if (!cg->prg[i].lut_tex)
cg->prg[i].lut_tex = cgGetNamedParameter(cg->prg[i].vprg, "IN.lut_tex_coord");
}
/* iterate all parameters and record input variyings
with their semantic and resource index
*/
void CD3DCG::fillParameterMap(std::vector<parameterEntry> &map, CGparameter param)
{
parameterEntry mapEntry;
while (param) {
if(cgGetParameterType(param)==CG_STRUCT)
fillParameterMap(map,cgGetFirstStructParameter(param));
else
if (cgGetParameterDirection(param) == CG_IN && cgGetParameterVariability(param) == CG_VARYING) {
mapEntry.rIndex = cgGetParameterResourceIndex(param);
mapEntry.semantic = cgGetParameterSemantic(param);
mapEntry.isKnownParam = isKnownParameter(cgGetParameterName(param));
if(map.size()<mapEntry.rIndex+1)
map.resize(mapEntry.rIndex+1);
map[mapEntry.rIndex] = mapEntry;
}
param = cgGetNextParameter(param);
}
}
static void gl_cg_set_program_base_attrib(void *data, unsigned i)
{
cg_shader_data_t *cg = (cg_shader_data_t*)data;
CGparameter param = cgGetFirstParameter(
cg->prg[i].vprg, CG_PROGRAM);
for (; param; param = cgGetNextParameter(param))
{
const char *semantic = NULL;
if ( (cgGetParameterDirection(param) != CG_IN)
|| (cgGetParameterVariability(param) != CG_VARYING))
continue;
semantic = cgGetParameterSemantic(param);
if (!semantic)
continue;
RARCH_LOG("[CG]: Found semantic \"%s\" in prog #%u.\n", semantic, i);
if (
string_is_equal(semantic, "TEXCOORD") ||
string_is_equal(semantic, "TEXCOORD0")
)
cg->prg[i].tex = param;
else if (
string_is_equal(semantic, "COLOR") ||
string_is_equal(semantic, "COLOR0")
)
cg->prg[i].color = param;
else if (string_is_equal(semantic, "POSITION"))
cg->prg[i].vertex = param;
else if (string_is_equal(semantic, "TEXCOORD1"))
cg->prg[i].lut_tex = param;
}
if (!cg->prg[i].tex)
cg->prg[i].tex = cgGetNamedParameter(cg->prg[i].vprg, "IN.tex_coord");
if (!cg->prg[i].color)
cg->prg[i].color = cgGetNamedParameter(cg->prg[i].vprg, "IN.color");
if (!cg->prg[i].vertex)
cg->prg[i].vertex = cgGetNamedParameter(cg->prg[i].vprg, "IN.vertex_coord");
if (!cg->prg[i].lut_tex)
cg->prg[i].lut_tex = cgGetNamedParameter(cg->prg[i].vprg, "IN.lut_tex_coord");
}
static bool AddPass(CGtechnique technique, JSON &json, CGpass pass, UniformsMap &uniformRemapping)
{
bool success = true;
json.AddObject(NULL);
const char * const passName = cgGetPassName(pass);
if (NULL != passName)
{
json.AddString("name", passName);
}
bool firstParameter = true;
#if CG_VERSION_NUM >= 3000
const int CG_NUMBER_OF_DOMAINS = (CG_TESSELLATION_EVALUATION_DOMAIN + 1);
#endif
for (int domain = CG_FIRST_DOMAIN; domain < CG_NUMBER_OF_DOMAINS; domain++)
{
const CGprogram program = cgGetPassProgram(pass, (CGdomain)domain);
if (NULL != program)
{
const char * const programString = cgGetProgramString(program, CG_COMPILED_PROGRAM);
CGparameter param = cgGetFirstParameter(program, CG_GLOBAL);
while (NULL != param)
{
if (cgIsParameterUsed(param, program) &&
CG_UNIFORM == cgGetParameterVariability(param))
{
if (firstParameter)
{
firstParameter = false;
json.AddArray("parameters", true);
json.BeginData(true);
}
const char * const paramName = cgGetParameterName(param);
AddMappedParameter(json, paramName, programString, uniformRemapping);
}
param = cgGetNextParameter(param);
}
param = cgGetFirstParameter(program, CG_PROGRAM);
while (NULL != param)
{
if (cgIsParameterUsed(param, program) &&
CG_UNIFORM == cgGetParameterVariability(param))
{
if (firstParameter)
{
firstParameter = false;
json.AddArray("parameters", true);
json.BeginData(true);
}
const char * const paramName = cgGetParameterName(param);
AddMappedParameter(json, paramName, programString, uniformRemapping);
}
param = cgGetNextParameter(param);
}
}
}
if (!firstParameter)
{
json.EndData();
json.CloseArray(true); // parameters
}
json.AddArray("semantics", true);
json.BeginData(true);
CGprogram vertexProgram = cgGetPassProgram(pass, CG_VERTEX_DOMAIN);
CGparameter vertexInputParameter = cgGetFirstLeafParameter(vertexProgram, CG_PROGRAM);
while (NULL != vertexInputParameter)
{
const CGenum variability = cgGetParameterVariability(vertexInputParameter);
if (CG_VARYING == variability)
{
const CGenum direction = cgGetParameterDirection(vertexInputParameter);
if (CG_IN == direction ||
CG_INOUT == direction)
{
const char * const semantic = cgGetParameterSemantic(vertexInputParameter);
json.AddData(semantic, strlen(semantic));
}
}
vertexInputParameter = cgGetNextLeafParameter(vertexInputParameter);
}
json.EndData();
json.CloseArray(true); // semantics
json.AddObject("states");
CGstateassignment state = cgGetFirstStateAssignment(pass);
if (NULL != state)
{
do
{
success &= AddState(json, state);
state = cgGetNextStateAssignment(state);
}
while (NULL != state);
}
json.CloseObject(); // states
json.AddArray("programs", true);
json.BeginData(true);
for (int domain = CG_FIRST_DOMAIN; domain < CG_NUMBER_OF_DOMAINS; domain++)
{
const CGprogram program = cgGetPassProgram(pass, (CGdomain)domain);
if (NULL != program)
{
const char * const entryPoint = cgGetProgramString(program, CG_PROGRAM_ENTRY);
json.AddData(entryPoint, strlen(entryPoint));
}
else if (domain == CG_VERTEX_DOMAIN)
{
ErrorMessage("%s : No vertex program.", cgGetTechniqueName(technique));
success = false;
}
else if(domain == CG_FRAGMENT_DOMAIN)
{
ErrorMessage("%s : No fragment program.", cgGetTechniqueName(technique));
success = false;
}
}
json.EndData();
json.CloseArray(true); // programs
json.CloseObject(); // pass
return success;
}
void cgfxVaryingParameter::setupAttributes( cgfxRCPtr<cgfxVertexAttribute>& vertexAttributes, CGprogram program)
{
// Make sure our parameter name is acceptable is a Maya attribute name
MString attrName = fName;
int lastDot = attrName.rindex( '.');
if( lastDot >= 0)
attrName = attrName.substring( lastDot + 1, attrName.length() - 1);
MString semanticName = cgGetParameterSemantic( fParameter);
MString semantic(semanticName);
cgGetParameterSemantic( fParameter);
semantic.toUpperCase();
// Is this varying parameter packed or atomic?
CGtype type = cgGetNamedUserType( program, attrName.asChar());
if( type != CG_UNKNOWN_TYPE)
{
// It's packed: explode the inputs into the structure elements
CGcontext context = cgGetProgramContext( program);
CGparameter packing = cgCreateParameter( context, type);
fVertexStructure = new cgfxVaryingParameterStructure();
fVertexStructure->fLength = 0;
fVertexStructure->fSize = 0;
CGparameter element = cgGetFirstStructParameter( packing);
while( element)
{
MString elementName = cgGetParameterName( element);
int lastDot = elementName.rindex( '.');
if( lastDot >= 0)
elementName = elementName.substring( lastDot + 1, elementName.length() - 1);
cgfxRCPtr<cgfxVertexAttribute> attr = setupAttribute( elementName, semantic, element, vertexAttributes);
fVertexStructure->fElements[ fVertexStructure->fLength].fVertexAttribute = attr;
int size = cgGetParameterRows( element) * cgGetParameterColumns( element);
CGtype type = cgGetParameterBaseType( element);
if( type == CG_FLOAT) size *= sizeof( GLfloat);
else if( type == CG_INT) size *= sizeof( GLint);
fVertexStructure->fElements[ fVertexStructure->fLength].fSize = size;
fVertexStructure->fLength++;
fVertexStructure->fSize += size;
element = cgGetNextParameter( element);
}
cgDestroyParameter( packing);
}
else
{
// It's atomic - create a single, simple input
fVertexAttribute = setupAttribute( attrName, semantic, fParameter, vertexAttributes);
}
// Now pull apart the semantic string to work out where to bind
// this value in open GL (as the automagic binding through cgGL
// didn't work so well when this was written)
int radix = 1;
fGLIndex = 0;
unsigned int length = semantic.length();
const char* str = semantic.asChar();
// If sematic is NULL then stop here, bug 327649
if (length == 0) {
fGLType = glRegister::kUnknown;
return;
}
for(;;)
{
char c = str[ length - 1];
if( c < '0' || c > '9') break;
fGLIndex += radix * (c - '0');
radix *= 10;
--length;
}
if( semantic.length() != length)
semantic = semantic.substring( 0, length - 1);
// Determine the semantic and setup the gl binding type we should use
// to set this parameter. If there's a sensible default value, set that
// while we're here.
// Note there is no need to set the source type, this gets determined
// when the vertex attribute sources are analysed
if( semantic == "POSITION")
{
fGLType = glRegister::kPosition;
fVertexAttribute->fSourceName = "position";
}
else if( semantic == "NORMAL")
{
fGLType = glRegister::kNormal;
if( fVertexAttribute.isNull() == false )
fVertexAttribute->fSourceName = "normal";
}
else if( semantic == "TEXCOORD")
{
fGLType = glRegister::kTexCoord;
if( fVertexAttribute.isNull() == false )
{
if( attrName.toLowerCase() == "tangent")
fVertexAttribute->fSourceName = "tangent:map1";
else if( attrName.toLowerCase() == "binormal")
fVertexAttribute->fSourceName = "binormal:map1";
else
fVertexAttribute->fSourceName = "uv:map1";
}
}
else if( semantic == "TANGENT")
{
fGLType = glRegister::kTexCoord;
fGLIndex += 6; // TANGENT is TEXCOORD6
if( fVertexAttribute.isNull() == false )
fVertexAttribute->fSourceName = "tangent:map1";
}
else if( semantic == "BINORMAL")
{
fGLType = glRegister::kTexCoord;
fGLIndex += 7; // BINORMAL is TEXCOORD7
if( fVertexAttribute.isNull() == false )
fVertexAttribute->fSourceName = "binormal:map1";
}
else if( semantic == "COLOR")
{
fGLType = fGLIndex == 1 ? glRegister::kSecondaryColor : glRegister::kColor;
}
else if( semantic == "ATTR")
{
fGLType = glRegister::kVertexAttrib;
if( fVertexAttribute.isNull() == false )
{
fVertexAttribute->fSourceName = semanticName;
}
}
else if( semantic == "PSIZE")
{
fGLType = glRegister::kVertexAttrib;
fGLIndex = 6;
}
else
{
fGLType = glRegister::kUnknown;
}
}
