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-rw-r--r--source/gameengine/VideoTexture/Texture.cpp533
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diff --git a/source/gameengine/VideoTexture/Texture.cpp b/source/gameengine/VideoTexture/Texture.cpp
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--- a/source/gameengine/VideoTexture/Texture.cpp
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-/*
- * ***** BEGIN GPL LICENSE BLOCK *****
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- * Copyright (c) 2007 The Zdeno Ash Miklas
- *
- * This source file is part of VideoTexture library
- *
- * Contributor(s):
- *
- * ***** END GPL LICENSE BLOCK *****
- */
-
-/** \file gameengine/VideoTexture/Texture.cpp
- * \ingroup bgevideotex
- */
-
-// implementation
-
-#include "EXP_PyObjectPlus.h"
-#include <structmember.h>
-
-#include "KX_GameObject.h"
-#include "KX_Light.h"
-#include "RAS_MeshObject.h"
-#include "RAS_ILightObject.h"
-#include "DNA_mesh_types.h"
-#include "DNA_meshdata_types.h"
-#include "DNA_image_types.h"
-#include "IMB_imbuf_types.h"
-#include "BKE_image.h"
-
-#include "MEM_guardedalloc.h"
-
-#include "KX_BlenderMaterial.h"
-#include "BL_Texture.h"
-
-#include "KX_KetsjiEngine.h"
-#include "KX_PythonInit.h"
-#include "Texture.h"
-#include "ImageBase.h"
-#include "Exception.h"
-
-#include <memory.h>
-#include "GPU_glew.h"
-
-extern "C" {
- #include "IMB_imbuf.h"
-}
-
-// macro for exception handling and logging
-#define CATCH_EXCP catch (Exception & exp) \
-{ exp.report(); return NULL; }
-
-
-// Blender GameObject type
-static BlendType<KX_GameObject> gameObjectType ("KX_GameObject");
-static BlendType<KX_LightObject> lightObjectType ("KX_LightObject");
-
-
-// load texture
-void loadTexture(unsigned int texId, unsigned int *texture, short *size,
- bool mipmap)
-{
- // load texture for rendering
- glBindTexture(GL_TEXTURE_2D, texId);
- if (mipmap)
- {
- int i;
- ImBuf *ibuf;
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-
- ibuf = IMB_allocFromBuffer(texture, NULL, size[0], size[1]);
-
- IMB_makemipmap(ibuf, true);
-
- for (i = 0; i < ibuf->miptot; i++) {
- ImBuf *mip = IMB_getmipmap(ibuf, i);
-
- glTexImage2D(GL_TEXTURE_2D, i, GL_RGBA, mip->x, mip->y, 0, GL_RGBA, GL_UNSIGNED_BYTE, mip->rect);
- }
- IMB_freeImBuf(ibuf);
- }
- else
- {
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
- glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, size[0], size[1], 0, GL_RGBA, GL_UNSIGNED_BYTE, texture);
- }
- glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
-}
-
-
-// get pointer to material
-RAS_IPolyMaterial * getMaterial (PyObject *obj, short matID)
-{
- // if object is available
- if (obj != NULL)
- {
- // get pointer to texture image
- KX_GameObject * gameObj = gameObjectType.checkType(obj);
- if (gameObj != NULL && gameObj->GetMeshCount() > 0)
- {
- // get material from mesh
- RAS_MeshObject * mesh = gameObj->GetMesh(0);
- RAS_MeshMaterial *meshMat = mesh->GetMeshMaterial(matID);
- if (meshMat != NULL && meshMat->m_bucket != NULL)
- // return pointer to polygon or blender material
- return meshMat->m_bucket->GetPolyMaterial();
- }
- }
- // otherwise material was not found
- return NULL;
-}
-
-// get pointer to a lamp
-static KX_LightObject *getLamp(PyObject *obj)
-{
- // if object is available
- if (obj == NULL) return NULL;
-
- // returns NULL if obj is not a KX_LightObject
- return lightObjectType.checkType(obj);
-}
-
-
-// get material ID
-short getMaterialID(PyObject *obj, const char *name)
-{
- // search for material
- for (short matID = 0;; ++matID)
- {
- // get material
- RAS_IPolyMaterial * mat = getMaterial(obj, matID);
- // if material is not available, report that no material was found
- if (mat == NULL)
- break;
- // name is a material name if it starts with MA and a UV texture name if it starts with IM
- if (name[0] == 'I' && name[1] == 'M') {
- // if texture name matches
- if (strcmp(mat->GetTextureName().ReadPtr(), name) == 0)
- return matID;
- }
- else {
- // if material name matches
- if (strcmp(mat->GetMaterialName().ReadPtr(), name) == 0)
- return matID;
- }
- }
- // material was not found
- return -1;
-}
-
-
-// Texture object allocation
-static PyObject *Texture_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
-{
- // allocate object
- Texture * self = reinterpret_cast<Texture*>(type->tp_alloc(type, 0));
- // initialize object structure
- self->m_actTex = 0;
- self->m_orgSaved = false;
- self->m_imgBuf = NULL;
- self->m_imgTexture = NULL;
- self->m_matTexture = NULL;
- self->m_mipmap = false;
- self->m_scaledImBuf = NULL;
- self->m_source = NULL;
- self->m_lastClock = 0.0;
- // return allocated object
- return reinterpret_cast<PyObject*>(self);
-}
-
-
-// forward declaration
-PyObject *Texture_close(Texture *self);
-int Texture_setSource(Texture *self, PyObject *value, void *closure);
-
-
-// Texture object deallocation
-static void Texture_dealloc(Texture *self)
-{
- // release renderer
- Py_XDECREF(self->m_source);
- // close texture
- PyObject *ret = Texture_close(self);
- Py_DECREF(ret);
- // release scaled image buffer
- IMB_freeImBuf(self->m_scaledImBuf);
- // release object
- Py_TYPE((PyObject *)self)->tp_free((PyObject *)self);
-}
-
-
-ExceptionID MaterialNotAvail;
-ExpDesc MaterialNotAvailDesc(MaterialNotAvail, "Texture material is not available");
-
-// Texture object initialization
-static int Texture_init(Texture *self, PyObject *args, PyObject *kwds)
-{
- // parameters - game object with video texture
- PyObject *obj = NULL;
- // material ID
- short matID = 0;
- // texture ID
- short texID = 0;
- // texture object with shared texture ID
- Texture * texObj = NULL;
-
- static const char *kwlist[] = {"gameObj", "materialID", "textureID", "textureObj", NULL};
-
- // get parameters
- if (!PyArg_ParseTupleAndKeywords(args, kwds, "O|hhO!",
- const_cast<char**>(kwlist), &obj, &matID, &texID, &TextureType,
- &texObj))
- return -1;
-
- // if parameters are available
- if (obj != NULL)
- {
- // process polygon material or blender material
- try
- {
- // get pointer to texture image
- RAS_IPolyMaterial * mat = getMaterial(obj, matID);
- KX_LightObject * lamp = getLamp(obj);
- if (mat != NULL)
- {
- // is it blender material or polygon material
- if (mat->GetFlag() & RAS_BLENDERGLSL)
- {
- self->m_imgTexture = static_cast<KX_BlenderMaterial*>(mat)->getImage(texID);
- self->m_useMatTexture = false;
- } else
- {
- // get blender material texture
- self->m_matTexture = static_cast<KX_BlenderMaterial*>(mat)->getTex(texID);
- self->m_useMatTexture = true;
- }
- }
- else if (lamp != NULL)
- {
- self->m_imgTexture = lamp->GetLightData()->GetTextureImage(texID);
- self->m_useMatTexture = false;
- }
-
- // check if texture is available, if not, initialization failed
- if (self->m_imgTexture == NULL && self->m_matTexture == NULL)
- // throw exception if initialization failed
- THRWEXCP(MaterialNotAvail, S_OK);
-
- // if texture object is provided
- if (texObj != NULL)
- {
- // copy texture code
- self->m_actTex = texObj->m_actTex;
- self->m_mipmap = texObj->m_mipmap;
- if (texObj->m_source != NULL)
- Texture_setSource(self, reinterpret_cast<PyObject*>(texObj->m_source), NULL);
- }
- else
- // otherwise generate texture code
- glGenTextures(1, (GLuint*)&self->m_actTex);
- }
- catch (Exception & exp)
- {
- exp.report();
- return -1;
- }
- }
- // initialization succeded
- return 0;
-}
-
-
-// close added texture
-PyObject *Texture_close(Texture * self)
-{
- // restore texture
- if (self->m_orgSaved)
- {
- self->m_orgSaved = false;
- // restore original texture code
- if (self->m_useMatTexture)
- self->m_matTexture->swapTexture(self->m_orgTex);
- else
- {
- self->m_imgTexture->bindcode[TEXTARGET_TEXTURE_2D] = self->m_orgTex;
- BKE_image_release_ibuf(self->m_imgTexture, self->m_imgBuf, NULL);
- self->m_imgBuf = NULL;
- }
- // drop actual texture
- if (self->m_actTex != 0)
- {
- glDeleteTextures(1, (GLuint *)&self->m_actTex);
- self->m_actTex = 0;
- }
- }
- Py_RETURN_NONE;
-}
-
-
-// refresh texture
-static PyObject *Texture_refresh(Texture *self, PyObject *args)
-{
- // get parameter - refresh source
- PyObject *param;
- double ts = -1.0;
-
- if (!PyArg_ParseTuple(args, "O|d:refresh", &param, &ts) || !PyBool_Check(param))
- {
- // report error
- PyErr_SetString(PyExc_TypeError, "The value must be a bool");
- return NULL;
- }
- // some trick here: we are in the business of loading a texture,
- // no use to do it if we are still in the same rendering frame.
- // We find this out by looking at the engine current clock time
- KX_KetsjiEngine* engine = KX_GetActiveEngine();
- if (engine->GetClockTime() != self->m_lastClock)
- {
- self->m_lastClock = engine->GetClockTime();
- // set source refresh
- bool refreshSource = (param == Py_True);
- // try to proces texture from source
- try
- {
- // if source is available
- if (self->m_source != NULL)
- {
- // check texture code
- if (!self->m_orgSaved)
- {
- self->m_orgSaved = true;
- // save original image code
- if (self->m_useMatTexture)
- self->m_orgTex = self->m_matTexture->swapTexture(self->m_actTex);
- else
- {
- // Swapping will work only if the GPU has already loaded the image.
- // If not, it will delete and overwrite our texture on next render.
- // To avoid that, we acquire the image buffer now.
- // WARNING: GPU has a ImageUser to pass, we don't. Using NULL
- // works on image file, not necessarily on other type of image.
- self->m_imgBuf = BKE_image_acquire_ibuf(self->m_imgTexture, NULL, NULL);
- self->m_orgTex = self->m_imgTexture->bindcode[TEXTARGET_TEXTURE_2D];
- self->m_imgTexture->bindcode[TEXTARGET_TEXTURE_2D] = self->m_actTex;
- }
- }
-
- // get texture
- unsigned int * texture = self->m_source->m_image->getImage(self->m_actTex, ts);
- // if texture is available
- if (texture != NULL)
- {
- // get texture size
- short * orgSize = self->m_source->m_image->getSize();
- // calc scaled sizes
- short size[2];
- if (GLEW_ARB_texture_non_power_of_two)
- {
- size[0] = orgSize[0];
- size[1] = orgSize[1];
- }
- else
- {
- size[0] = ImageBase::calcSize(orgSize[0]);
- size[1] = ImageBase::calcSize(orgSize[1]);
- }
- // scale texture if needed
- if (size[0] != orgSize[0] || size[1] != orgSize[1])
- {
- IMB_freeImBuf(self->m_scaledImBuf);
- self->m_scaledImBuf = IMB_allocFromBuffer(texture, NULL, orgSize[0], orgSize[1]);
- IMB_scaleImBuf(self->m_scaledImBuf, size[0], size[1]);
-
- // use scaled image instead original
- texture = self->m_scaledImBuf->rect;
- }
- // load texture for rendering
- loadTexture(self->m_actTex, texture, size, self->m_mipmap);
- }
- // refresh texture source, if required
- if (refreshSource) {
- self->m_source->m_image->refresh();
- }
- }
- }
- CATCH_EXCP;
- }
- Py_RETURN_NONE;
-}
-
-// get OpenGL Bind Id
-static PyObject *Texture_getBindId(Texture *self, void *closure)
-{
- unsigned int id = self->m_actTex;
- return Py_BuildValue("h", id);
-}
-
-// get mipmap value
-static PyObject *Texture_getMipmap(Texture *self, void *closure)
-{
- // return true if flag is set, otherwise false
- if (self->m_mipmap) Py_RETURN_TRUE;
- else Py_RETURN_FALSE;
-}
-
-// set mipmap value
-static int Texture_setMipmap(Texture *self, PyObject *value, void *closure)
-{
- // check parameter, report failure
- if (value == NULL || !PyBool_Check(value))
- {
- PyErr_SetString(PyExc_TypeError, "The value must be a bool");
- return -1;
- }
- // set mipmap
- self->m_mipmap = value == Py_True;
- // success
- return 0;
-}
-
-
-// get source object
-static PyObject *Texture_getSource(Texture *self, PyObject *value, void *closure)
-{
- // if source exists
- if (self->m_source != NULL)
- {
- Py_INCREF(self->m_source);
- return reinterpret_cast<PyObject*>(self->m_source);
- }
- // otherwise return None
- Py_RETURN_NONE;
-}
-
-
-// set source object
-int Texture_setSource(Texture *self, PyObject *value, void *closure)
-{
- // check new value
- if (value == NULL || !pyImageTypes.in(Py_TYPE(value)))
- {
- // report value error
- PyErr_SetString(PyExc_TypeError, "Invalid type of value");
- return -1;
- }
- // increase ref count for new value
- Py_INCREF(value);
- // release previous
- Py_XDECREF(self->m_source);
- // set new value
- self->m_source = reinterpret_cast<PyImage*>(value);
- // return success
- return 0;
-}
-
-
-// class Texture methods
-static PyMethodDef textureMethods[] =
-{
- { "close", (PyCFunction)Texture_close, METH_NOARGS, "Close dynamic texture and restore original"},
- { "refresh", (PyCFunction)Texture_refresh, METH_VARARGS, "Refresh texture from source"},
- {NULL} /* Sentinel */
-};
-
-// class Texture attributes
-static PyGetSetDef textureGetSets[] =
-{
- {(char*)"source", (getter)Texture_getSource, (setter)Texture_setSource, (char*)"source of texture", NULL},
- {(char*)"mipmap", (getter)Texture_getMipmap, (setter)Texture_setMipmap, (char*)"mipmap texture", NULL},
- {(char*)"bindId", (getter)Texture_getBindId, NULL, (char*)"OpenGL Bind Name", NULL},
- {NULL}
-};
-
-
-// class Texture declaration
-PyTypeObject TextureType =
-{
- PyVarObject_HEAD_INIT(NULL, 0)
- "VideoTexture.Texture", /*tp_name*/
- sizeof(Texture), /*tp_basicsize*/
- 0, /*tp_itemsize*/
- (destructor)Texture_dealloc,/*tp_dealloc*/
- 0, /*tp_print*/
- 0, /*tp_getattr*/
- 0, /*tp_setattr*/
- 0, /*tp_compare*/
- 0, /*tp_repr*/
- 0, /*tp_as_number*/
- 0, /*tp_as_sequence*/
- 0, /*tp_as_mapping*/
- 0, /*tp_hash */
- 0, /*tp_call*/
- 0, /*tp_str*/
- 0, /*tp_getattro*/
- 0, /*tp_setattro*/
- &imageBufferProcs, /*tp_as_buffer*/
- Py_TPFLAGS_DEFAULT, /*tp_flags*/
- "Texture objects", /* tp_doc */
- 0, /* tp_traverse */
- 0, /* tp_clear */
- 0, /* tp_richcompare */
- 0, /* tp_weaklistoffset */
- 0, /* tp_iter */
- 0, /* tp_iternext */
- textureMethods, /* tp_methods */
- 0, /* tp_members */
- textureGetSets, /* tp_getset */
- 0, /* tp_base */
- 0, /* tp_dict */
- 0, /* tp_descr_get */
- 0, /* tp_descr_set */
- 0, /* tp_dictoffset */
- (initproc)Texture_init, /* tp_init */
- 0, /* tp_alloc */
- Texture_new, /* tp_new */
-};
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