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 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;
}
/* 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);
}
}
inline void cgfxVaryingParameter::addRecursive(
CGparameter parameter,
cgfxVaryingParameter**& nextParameter
)
{
if( cgGetParameterVariability( parameter) == CG_VARYING)
{
if( cgGetParameterType( parameter) == CG_STRUCT)
{
CGparameter input = cgGetFirstStructParameter( parameter);
while( input)
{
addRecursive( input, nextParameter);
input = cgGetNextParameter( input);
}
}
else if( cgIsParameterReferenced( parameter))
{
*nextParameter = new cgfxVaryingParameter( parameter);
nextParameter = &(*nextParameter)->fNext;
}
}
}
//---------------------------------------------------------------------
void CgProgram::recurseParams(CGparameter parameter, size_t contextArraySize)
{
while (parameter != 0)
{
// Look for uniform parameters only
// Don't bother enumerating unused parameters, especially since they will
// be optimised out and therefore not in the indexed versions
CGtype paramType = cgGetParameterType(parameter);
if (cgGetParameterVariability(parameter) == CG_UNIFORM &&
paramType != CG_SAMPLER1D &&
paramType != CG_SAMPLER2D &&
paramType != CG_SAMPLER3D &&
paramType != CG_SAMPLERCUBE &&
paramType != CG_SAMPLERRECT &&
cgGetParameterDirection(parameter) != CG_OUT &&
cgIsParameterReferenced(parameter))
{
int arraySize;
switch(paramType)
{
case CG_STRUCT:
recurseParams(cgGetFirstStructParameter(parameter));
break;
case CG_ARRAY:
// Support only 1-dimensional arrays
arraySize = cgGetArraySize(parameter, 0);
recurseParams(cgGetArrayParameter(parameter, 0), (size_t)arraySize);
break;
default:
// Normal path (leaf)
String paramName = cgGetParameterName(parameter);
size_t logicalIndex = cgGetParameterResourceIndex(parameter);
// Get the parameter resource, to calculate the physical index
CGresource res = cgGetParameterResource(parameter);
bool isRegisterCombiner = false;
size_t regCombinerPhysicalIndex = 0;
switch (res)
{
case CG_COMBINER_STAGE_CONST0:
// register combiner, const 0
// the index relates to the texture stage; store this as (stage * 2) + 0
regCombinerPhysicalIndex = logicalIndex * 2;
isRegisterCombiner = true;
break;
case CG_COMBINER_STAGE_CONST1:
// register combiner, const 1
// the index relates to the texture stage; store this as (stage * 2) + 1
regCombinerPhysicalIndex = (logicalIndex * 2) + 1;
isRegisterCombiner = true;
break;
default:
// normal constant
break;
}
// Trim the '[0]' suffix if it exists, we will add our own indexing later
if (StringUtil::endsWith(paramName, "[0]", false))
{
paramName.erase(paramName.size() - 3);
}
GpuConstantDefinition def;
def.arraySize = contextArraySize;
mapTypeAndElementSize(paramType, isRegisterCombiner, def);
if (def.constType == GCT_UNKNOWN)
{
LogManager::getSingleton().logMessage(
"Problem parsing the following Cg Uniform: '"
+ paramName + "' in file " + mName);
// next uniform
parameter = cgGetNextParameter(parameter);
continue;
}
if (isRegisterCombiner)
{
def.physicalIndex = regCombinerPhysicalIndex;
}
else
{
// base position on existing buffer contents
if (def.isFloat())
{
def.physicalIndex = mFloatLogicalToPhysical->bufferSize;
}
else
{
def.physicalIndex = mIntLogicalToPhysical->bufferSize;
}
}
def.logicalIndex = logicalIndex;
if( mParametersMap.find(paramName) == mParametersMap.end())
{
mParametersMap.insert(GpuConstantDefinitionMap::value_type(paramName, def));
mParametersMapSizeAsBuffer += sizeof(size_t);
mParametersMapSizeAsBuffer += paramName.size();
mParametersMapSizeAsBuffer += sizeof(GpuConstantDefinition);
}
// Record logical / physical mapping
if (def.isFloat())
{
OGRE_LOCK_MUTEX(mFloatLogicalToPhysical->mutex);
mFloatLogicalToPhysical->map.insert(
GpuLogicalIndexUseMap::value_type(def.logicalIndex,
GpuLogicalIndexUse(def.physicalIndex, def.arraySize * def.elementSize, GPV_GLOBAL)));
mFloatLogicalToPhysical->bufferSize += def.arraySize * def.elementSize;
}
else
{
OGRE_LOCK_MUTEX(mIntLogicalToPhysical->mutex);
mIntLogicalToPhysical->map.insert(
GpuLogicalIndexUseMap::value_type(def.logicalIndex,
GpuLogicalIndexUse(def.physicalIndex, def.arraySize * def.elementSize, GPV_GLOBAL)));
mIntLogicalToPhysical->bufferSize += def.arraySize * def.elementSize;
}
break;
}
}
// now handle uniform samplers. This is needed to fix their register positions
// if delegating to a GLSL shader.
if (mDelegate && cgGetParameterVariability(parameter) == CG_UNIFORM && (
paramType == CG_SAMPLER1D ||
paramType == CG_SAMPLER2D ||
paramType == CG_SAMPLER3D ||
paramType == CG_SAMPLERCUBE ||
paramType == CG_SAMPLERRECT) &&
cgGetParameterDirection(parameter) != CG_OUT &&
cgIsParameterReferenced(parameter))
{
String paramName = cgGetParameterName(parameter);
CGresource res = cgGetParameterResource(parameter);
int pos = -1;
switch (res)
{
case CG_TEXUNIT0: pos = 0; break;
case CG_TEXUNIT1: pos = 1; break;
case CG_TEXUNIT2: pos = 2; break;
case CG_TEXUNIT3: pos = 3; break;
case CG_TEXUNIT4: pos = 4; break;
case CG_TEXUNIT5: pos = 5; break;
case CG_TEXUNIT6: pos = 6; break;
case CG_TEXUNIT7: pos = 7; break;
case CG_TEXUNIT8: pos = 8; break;
case CG_TEXUNIT9: pos = 9; break;
case CG_TEXUNIT10: pos = 10; break;
case CG_TEXUNIT11: pos = 11; break;
case CG_TEXUNIT12: pos = 12; break;
case CG_TEXUNIT13: pos = 13; break;
case CG_TEXUNIT14: pos = 14; break;
case CG_TEXUNIT15: pos = 15; break;
#if(CG_VERSION_NUM >= 3000)
case CG_TEXUNIT16: pos = 16; break;
case CG_TEXUNIT17: pos = 17; break;
case CG_TEXUNIT18: pos = 18; break;
case CG_TEXUNIT19: pos = 19; break;
case CG_TEXUNIT20: pos = 20; break;
case CG_TEXUNIT21: pos = 21; break;
case CG_TEXUNIT22: pos = 22; break;
case CG_TEXUNIT23: pos = 23; break;
case CG_TEXUNIT24: pos = 24; break;
case CG_TEXUNIT25: pos = 25; break;
case CG_TEXUNIT26: pos = 26; break;
case CG_TEXUNIT27: pos = 27; break;
case CG_TEXUNIT28: pos = 28; break;
case CG_TEXUNIT29: pos = 29; break;
case CG_TEXUNIT30: pos = 30; break;
case CG_TEXUNIT31: pos = 31; break;
#endif
default:
break;
}
if (pos != -1)
{
mSamplerRegisterMap.insert(std::make_pair(paramName, pos));
}
}
// Get next
parameter = cgGetNextParameter(parameter);
}
}
bool CgShaderProgramGL::setConstant(const io::stringc &Name, const f32* Buffer, s32 Count)
{
if (!Buffer)
return false;
/* Get top-level parameter */
CGparameter Param = cgGetNamedParameter(cgProgram_, Name.c_str());
if (!Param)
return false;
/* Get array parameter */
if (cgGetParameterType(Param) != CG_ARRAY)
return false;
s32 ArraySize = cgGetArraySize(Param, 0);
for (s32 i = 0; i < ArraySize; ++i)
{
/* Get array element parameter */
CGparameter ElementParam = cgGetArrayParameter(Param, i);
switch (cgGetParameterType(ElementParam))
{
case CG_FLOAT:
cgGLSetParameterArray1f(Param, 0, Count, Buffer);
return true;
case CG_FLOAT2:
cgGLSetParameterArray2f(Param, 0, Count/2, Buffer);
return true;
case CG_FLOAT3:
cgGLSetParameterArray3f(Param, 0, Count/3, Buffer);
return true;
case CG_FLOAT4:
cgGLSetParameterArray4f(Param, 0, Count/4, Buffer);
return true;
case CG_FLOAT4x4:
cgGLSetMatrixParameterArrayfc(Param, 0, Count/16, Buffer);
return true;
case CG_STRUCT:
{
/* Get structure field parameter */
CGparameter FieldParam = cgGetFirstStructParameter(ElementParam);
while (FieldParam)
{
switch (cgGetParameterType(FieldParam))
{
case CG_FLOAT:
cgGLSetParameter1f(FieldParam, *Buffer);
Buffer += 1;
break;
case CG_FLOAT2:
cgGLSetParameter2fv(FieldParam, Buffer);
Buffer += 2;
break;
case CG_FLOAT3:
cgGLSetParameter3fv(FieldParam, Buffer);
Buffer += 3;
break;
case CG_FLOAT4:
cgGLSetParameter4fv(FieldParam, Buffer);
Buffer += 4;
break;
case CG_FLOAT4x4:
cgGLSetMatrixParameterfc(FieldParam, Buffer);
Buffer += 16;
break;
case CG_INT:
cgSetParameter1i(FieldParam, *((s32*)Buffer));
Buffer += 1;
break;
default:
break;
}
FieldParam = cgGetNextParameter(FieldParam);
}
}
break;
default:
break;
}
}
return true;
}
//---------------------------------------------------------------------
void CgProgram::recurseParams(CGparameter parameter, size_t contextArraySize) const
{
while (parameter != 0)
{
// Look for uniform (non-sampler) parameters only
// Don't bother enumerating unused parameters, especially since they will
// be optimised out and therefore not in the indexed versions
CGtype paramType = cgGetParameterType(parameter);
if (cgGetParameterVariability(parameter) == CG_UNIFORM &&
paramType != CG_SAMPLER1D &&
paramType != CG_SAMPLER2D &&
paramType != CG_SAMPLER3D &&
paramType != CG_SAMPLERCUBE &&
paramType != CG_SAMPLERRECT &&
cgGetParameterDirection(parameter) != CG_OUT &&
cgIsParameterReferenced(parameter))
{
int arraySize;
switch(paramType)
{
case CG_STRUCT:
recurseParams(cgGetFirstStructParameter(parameter));
break;
case CG_ARRAY:
// Support only 1-dimensional arrays
arraySize = cgGetArraySize(parameter, 0);
recurseParams(cgGetArrayParameter(parameter, 0), (size_t)arraySize);
break;
default:
// Normal path (leaf)
String paramName = cgGetParameterName(parameter);
size_t logicalIndex = cgGetParameterResourceIndex(parameter);
// Get the parameter resource, to calculate the physical index
CGresource res = cgGetParameterResource(parameter);
bool isRegisterCombiner = false;
size_t regCombinerPhysicalIndex = 0;
switch (res)
{
case CG_COMBINER_STAGE_CONST0:
// register combiner, const 0
// the index relates to the texture stage; store this as (stage * 2) + 0
regCombinerPhysicalIndex = logicalIndex * 2;
isRegisterCombiner = true;
break;
case CG_COMBINER_STAGE_CONST1:
// register combiner, const 1
// the index relates to the texture stage; store this as (stage * 2) + 1
regCombinerPhysicalIndex = (logicalIndex * 2) + 1;
isRegisterCombiner = true;
break;
default:
// normal constant
break;
}
// Trim the '[0]' suffix if it exists, we will add our own indexing later
if (StringUtil::endsWith(paramName, "[0]", false))
{
paramName.erase(paramName.size() - 3);
}
GpuConstantDefinition def;
def.arraySize = contextArraySize;
mapTypeAndElementSize(paramType, isRegisterCombiner, def);
if (def.constType == GCT_UNKNOWN)
{
LogManager::getSingleton().logMessage(
"Problem parsing the following Cg Uniform: '"
+ paramName + "' in file " + mName);
// next uniform
continue;
}
if (isRegisterCombiner)
{
def.physicalIndex = regCombinerPhysicalIndex;
}
else
{
// base position on existing buffer contents
if (def.isFloat())
{
def.physicalIndex = mFloatLogicalToPhysical.bufferSize;
}
else
{
def.physicalIndex = mIntLogicalToPhysical.bufferSize;
}
}
mConstantDefs.map.insert(GpuConstantDefinitionMap::value_type(paramName, def));
// Record logical / physical mapping
if (def.isFloat())
{
OGRE_LOCK_MUTEX(mFloatLogicalToPhysical.mutex)
mFloatLogicalToPhysical.map.insert(
GpuLogicalIndexUseMap::value_type(logicalIndex,
GpuLogicalIndexUse(def.physicalIndex, def.arraySize * def.elementSize)));
mFloatLogicalToPhysical.bufferSize += def.arraySize * def.elementSize;
mConstantDefs.floatBufferSize = mFloatLogicalToPhysical.bufferSize;
}
else
{
OGRE_LOCK_MUTEX(mIntLogicalToPhysical.mutex)
mIntLogicalToPhysical.map.insert(
GpuLogicalIndexUseMap::value_type(logicalIndex,
GpuLogicalIndexUse(def.physicalIndex, def.arraySize * def.elementSize)));
mIntLogicalToPhysical.bufferSize += def.arraySize * def.elementSize;
mConstantDefs.intBufferSize = mIntLogicalToPhysical.bufferSize;
}
// Deal with array indexing
mConstantDefs.generateConstantDefinitionArrayEntries(paramName, def);
break;
}
}
// Get next
parameter = cgGetNextParameter(parameter);
}
}
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;
}
}
