diff options
Diffstat (limited to 'source/blender/python/generic/BGL.c')
| -rw-r--r-- | source/blender/python/generic/BGL.c | 65 |
1 files changed, 37 insertions, 28 deletions
diff --git a/source/blender/python/generic/BGL.c b/source/blender/python/generic/BGL.c index 2318549f2ec..340ebbe3dcd 100644 --- a/source/blender/python/generic/BGL.c +++ b/source/blender/python/generic/BGL.c @@ -36,9 +36,6 @@ #include <GL/glew.h> #include "MEM_guardedalloc.h" -static int type_size( int type ); -static Buffer *make_buffer( int type, int ndimensions, int *dimensions ); - static char Method_Buffer_doc[] = "(type, dimensions, [template]) - Create a new Buffer object\n\n\ (type) - The format to store data in\n\ @@ -82,7 +79,7 @@ static PyObject *Buffer_dimensions( PyObject * self ); static PyObject *Buffer_getattr( PyObject * self, char *name ); static PyObject *Buffer_repr( PyObject * self ); -PyTypeObject buffer_Type = { +PyTypeObject BGL_bufferType = { PyVarObject_HEAD_INIT(NULL, 0) "buffer", /*tp_name */ sizeof( Buffer ), /*tp_basicsize */ @@ -120,7 +117,7 @@ static PyObject *Method_##funcname (PyObject *self, PyObject *args) {\ /* #endif */ /********/ -static int type_size(int type) +int BGL_typeSize(int type) { switch (type) { case GL_BYTE: @@ -137,7 +134,7 @@ static int type_size(int type) return -1; } -static Buffer *make_buffer(int type, int ndimensions, int *dimensions) +Buffer *BGL_MakeBuffer(int type, int ndimensions, int *dimensions, void *initbuffer) { Buffer *buffer; void *buf= NULL; @@ -147,39 +144,49 @@ static Buffer *make_buffer(int type, int ndimensions, int *dimensions) for (i=0; i<ndimensions; i++) length*= dimensions[i]; - size= type_size(type); + size= BGL_typeSize(type); buf= MEM_mallocN(length*size, "Buffer buffer"); - - buffer= (Buffer *) PyObject_NEW(Buffer, &buffer_Type); + + buffer= (Buffer *) PyObject_NEW(Buffer, &BGL_bufferType); buffer->parent= NULL; buffer->ndimensions= ndimensions; - buffer->dimensions= dimensions; + buffer->dimensions= MEM_mallocN(ndimensions*sizeof(int), "Buffer dimensions"); + memcpy(buffer->dimensions, dimensions, ndimensions*sizeof(int)); buffer->type= type; buffer->buf.asvoid= buf; - for (i= 0; i<length; i++) { - if (type==GL_BYTE) - buffer->buf.asbyte[i]= 0; - else if (type==GL_SHORT) - buffer->buf.asshort[i]= 0; - else if (type==GL_INT) - buffer->buf.asint[i]= 0; - else if (type==GL_FLOAT) - buffer->buf.asfloat[i]= 0.0f; - else if (type==GL_DOUBLE) - buffer->buf.asdouble[i]= 0.0; + if (initbuffer) { + memcpy(buffer->buf.asvoid, initbuffer, length*size); + } else { + memset(buffer->buf.asvoid, 0, length*size); + /* + for (i= 0; i<length; i++) { + if (type==GL_BYTE) + buffer->buf.asbyte[i]= 0; + else if (type==GL_SHORT) + buffer->buf.asshort[i]= 0; + else if (type==GL_INT) + buffer->buf.asint[i]= 0; + else if (type==GL_FLOAT) + buffer->buf.asfloat[i]= 0.0f; + else if (type==GL_DOUBLE) + buffer->buf.asdouble[i]= 0.0; + } + */ } return buffer; } +#define MAX_DIMENSIONS 256 static PyObject *Method_Buffer (PyObject *self, PyObject *args) { PyObject *length_ob= NULL, *template= NULL; Buffer *buffer; + int dimensions[MAX_DIMENSIONS]; int i, type; - int *dimensions = 0, ndimensions = 0; + int ndimensions = 0; if (!PyArg_ParseTuple(args, "iO|O", &type, &length_ob, &template)) { PyErr_SetString(PyExc_AttributeError, "expected an int and one or two PyObjects"); @@ -192,11 +199,13 @@ static PyObject *Method_Buffer (PyObject *self, PyObject *args) if (PyNumber_Check(length_ob)) { ndimensions= 1; - dimensions= MEM_mallocN(ndimensions*sizeof(int), "Buffer dimensions"); dimensions[0]= PyLong_AsLong(length_ob); } else if (PySequence_Check(length_ob)) { ndimensions= PySequence_Length(length_ob); - dimensions= MEM_mallocN(ndimensions*sizeof(int), "Buffer dimensions"); + if (ndimensions > MAX_DIMENSIONS) { + PyErr_SetString(PyExc_AttributeError, "too many dimensions, max is 256"); + return NULL; + } for (i=0; i<ndimensions; i++) { PyObject *ob= PySequence_GetItem(length_ob, i); @@ -206,7 +215,7 @@ static PyObject *Method_Buffer (PyObject *self, PyObject *args) } } - buffer= make_buffer(type, ndimensions, dimensions); + buffer= BGL_MakeBuffer(type, ndimensions, dimensions, NULL); if (template && ndimensions) { if (Buffer_ass_slice((PyObject *) buffer, 0, dimensions[0], template)) { Py_DECREF(buffer); @@ -250,9 +259,9 @@ static PyObject *Buffer_item(PyObject *self, int i) for (j=1; j<buf->ndimensions; j++) { length*= buf->dimensions[j]; } - size= type_size(buf->type); + size= BGL_typeSize(buf->type); - newbuf= (Buffer *) PyObject_NEW(Buffer, &buffer_Type); + newbuf= (Buffer *) PyObject_NEW(Buffer, &BGL_bufferType); Py_INCREF(self); newbuf->parent= self; @@ -1104,7 +1113,7 @@ PyObject *BGL_Init(void) PyDict_SetItemString(PySys_GetObject("modules"), BGL_module_def.m_name, mod); dict= PyModule_GetDict(mod); - if( PyType_Ready( &buffer_Type) < 0) + if( PyType_Ready( &BGL_bufferType) < 0) return NULL; /* should never happen */ #define EXPP_ADDCONST(x) PyDict_SetItemString(dict, #x, item=PyLong_FromLong((int)x)); Py_DECREF(item) |