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(RGL PS3) Don't set embedded constants to default values - we presume shader

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already does this
This commit is contained in:
twinaphex 2013-03-27 22:12:26 +01:00
parent 8aaf6bea39
commit 05e94a2326
2 changed files with 1 additions and 68 deletions
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13
ps3/rgl/include/Cg/CgCommon.h
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@ -43,19 +43,6 @@ typedef struct CgRuntimeParameter
CGparameter id;
} CgRuntimeParameter;
typedef struct
{
CgRuntimeParameter* child;
CgRuntimeParameter* parent;
CgRuntimeParameter* top;
_cgSetArrayIndexFunction childOnBindSetter;
} CgParameterConnection;
typedef struct
{
CgRuntimeParameter* param;
} CgRuntimeSemantic;
struct _CGprogram
{
struct _CGprogram* next; // link to next in NULL-terminated singly linked list of programs

56
ps3/rgl/src/ps3/rgl_ps3_cg.cpp
View File

@ -143,61 +143,7 @@ static int rglGcmGenerateProgram (void *data, int profileIndex, const CgProgramH
rglCreatePushBuffer( program );
int count = program->defaultValuesIndexCount;
if ( profileIndex == FRAGMENT_PROFILE_INDEX )
{
//this function sets the embedded constant to their default value in the ucode of a fragment shader
//it's called at setup time right after loading the program. this function could be removed if the
//default values were already in the shader code
/* modifies the ucode */
for ( int i = 0;i < count;i++ )
{
const void * __restrict pItemDefaultValues = program->defaultValues + program->defaultValuesIndices[i].defaultValueIndex;
const unsigned int * itemDefaultValues = ( const unsigned int * )pItemDefaultValues;
int index = ( int )program->defaultValuesIndices[i].entryIndex;
CgRuntimeParameter *rtParameter = program->runtimeParameters + index;
float *hostMemoryCopy = ( float * )rtParameter->pushBufferPointer;
if ( hostMemoryCopy ) //certain parameter are not referenced but still have a default value.
{
const CgParameterEntry *parameterEntry = rtParameter->parameterEntry;
int arrayCount = 1;
if ( parameterEntry->flags & CGP_ARRAY )
{
const CgParameterArray *parameterArray = rglGetParameterArray( program, parameterEntry );
arrayCount = rglGetSizeofSubArray( parameterArray->dimensions, parameterArray->dimensionCount );
i++;
parameterEntry++;
}
const CgParameterResource *parameterResource = rglGetParameterResource( program, parameterEntry );
unsigned short *resource = program->resources + parameterResource->resource + 1; //+1 to skip the register
int registerStride = isMatrix(( CGtype )parameterResource->type ) ? rglGetTypeRowCount(( CGtype )parameterResource->type ) : 1;
int registerCount = arrayCount * registerStride;
int j;
for ( j = 0;j < registerCount;j++ )
{
unsigned short embeddedConstCount = *( resource++ );
int k;
for ( k = 0;k < embeddedConstCount;k++ )
{
unsigned short ucodePatchOffset = *( resource )++;
unsigned int *dst = ( unsigned int* )(( char* )program->ucode + ucodePatchOffset );
dst[0] = SWAP_IF_BIG_ENDIAN( itemDefaultValues[0] );
dst[1] = SWAP_IF_BIG_ENDIAN( itemDefaultValues[1] );
dst[2] = SWAP_IF_BIG_ENDIAN( itemDefaultValues[2] );
dst[3] = SWAP_IF_BIG_ENDIAN( itemDefaultValues[3] );
}
__builtin_memcpy(( void* )hostMemoryCopy, ( void* )itemDefaultValues, sizeof( float )*4 );
hostMemoryCopy += 4;
itemDefaultValues += 4;
resource++; //skip the register of the next item
}
}
}
}
else
if ( profileIndex != FRAGMENT_PROFILE_INDEX )
{
/* modifies the push buffer */