def loadTextures(self):
texture_binders = []
for i,t in enumerate(self._textures):
if t is not None:
binder = R.loadTexture(t).getBinder(i,self._shader.getUniformPos("texture%s"%i))
texture_binders.append(binder)
# replace the texture name with the binder
self._textures = texture_binders
def toCompiled(self, shader=None):
if shader is None:
shader = self.getShader()
assert(shader)
code = ""
# items made up of 3 floats
for what in ("diffuse_color","specular_color","ambient_color"):
loc = shader.getUniformPos(what)
if loc!=-1:
code += "\tglUniform3fv(%s, 1, mat._%s)\n"%(loc,what)
# items made up of 1 float
for what in ("specular_exp","alpha"):
loc = shader.getUniformPos(what)
if loc!=-1:
code += "\tglUniform1f(%s, mat._%s)\n"%(loc,what)
# textures
for i in xrange(3):
loc = shader.getUniformPos("texture%s"%i)
if loc!=-1:
try: # see if the texture is already loaded
self._texture[i].id()
except:
if self._texture[i] is None:
self._texture[i] = Texture.getNullTexture()
else:
self._texture[i] = R.loadTexture(self._texture[i])
code += "\tmat._texture[%s].bind(%s,%s)\n"%(i,i,loc)
if not code:
code = "def binder(): pass"
else:
code = "def binder():\n"+code
c = compile(code, "<compiled material>", "exec")
ns = dict(mat = self, glUniform3fv=glUniform3fv, glUniform1f=glUniform1f)
exec c in ns
return ns['binder']
def __init__(self, shader_name, texture_name):
self._shader_name = shader_name
self._texture_name = texture_name
self._shader = R.getShaderProgram(shader_name)
self._tbinder = None
self._texture = None
if texture_name:
self._texture = R.loadTexture(texture_name) if texture_name else None
if self._texture:
tloc = self._shader.getUniformPos("texture0")
self._tbinder = self._texture.getBinder(0, tloc) if tloc>-1 else None
self._tot_vert_gl = 0
self._ofs_gl = None
for uni in self._uniforms:
setattr(self, "_"+uni+"_uni", self._shader.getUniformPos(uni))
self.reset()