def CheckFrameBuffer(self):
res = glew.glCheckFramebufferStatusEXT(glew.GL_FRAMEBUFFER_EXT)
if (res == glew.GL_FRAMEBUFFER_COMPLETE_EXT): return True
elif (res == glew.GL_FRAMEBUFFER_UNSUPPORTED_EXT):
print "Unsupported FB!\n"
return False
elif (res == glew.GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT):
print "Incomplete: attachment !\n"
return False
elif (res == glew.GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT):
print "Incomplete: missing attach FB!\n"
return False
elif (res == glew.GL_FRAMEBUFFER_INCOMPLETE_DUPLICATE_ATTACHMENT_EXT):
print "Incomplete: duplicate attach FB!\n"
return False
elif (res == glew.GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT):
print "Incomplete: dimensions!\n"
return False
elif (res == glew.GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT):
print "Incomplete: formats!\n"
return False
elif (res == glew.GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT):
print "Incomplete: draw buffer!\n"
return False
elif (res == glew.GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT):
print "Incomplete: read buffer!\n"
return False
else:
print "Unknown FB error!\n"
return False
def InitRes(self):
depth = self.kind==Canvas.DEPTH
hide = self.kind==Canvas.DEPTH
use_depth = self.kind==Canvas.COLOR_AND_DEPTH
screensizex = self.GetHardRes()
screensizey = self.GetHardRes()
if (self.ratio2x1): screensizex*=2
status=12345
status = glew.glCheckFramebufferStatusEXT(glew.GL_FRAMEBUFFER_EXT)
if status == 12345: return False
self.frameID[self.currentRes] = glew.glGenFramebuffersEXT(1)
self.textureID[self.currentRes] = GL.glGenTextures(1)
glew.glBindFramebufferEXT(glew.GL_FRAMEBUFFER_EXT, self.frameID[self.currentRes])
tryme = [glew.GL_DEPTH_COMPONENT24, glew.GL_DEPTH_COMPONENT16]
if (depth or use_depth): NTRIES=2
else: NTRIES = 1
for i in range(NTRIES):
#initialize texture
#glew.glActiveTextureARB(glew.GL_TEXTURE1_ARB)
GL.glBindTexture(GL.GL_TEXTURE_2D, self.textureID[self.currentRes] )
if depth: code1=tryme[i]; code2=GL.GL_DEPTH_COMPONENT; code3=GL.GL_UNSIGNED_INT
else: code1 = GL.GL_RGBA8; code2=GL.GL_RGBA; code3=GL.GL_UNSIGNED_BYTE
glew.glTexImage2D(GL.GL_TEXTURE_2D, 0, code1,
screensizex, screensizey, 0, code2, code3, 0)
GL.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MIN_FILTER, GL.GL_LINEAR)
GL.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MAG_FILTER, GL.GL_LINEAR)
GL.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_WRAP_S, GL.GL_CLAMP_TO_EDGE)
GL.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_WRAP_T, GL.GL_CLAMP_TO_EDGE)
#attach texture to framebuffer depth or color buffer
if (depth): code1 = glew.GL_DEPTH_ATTACHMENT_EXT
else: code1 = glew.GL_COLOR_ATTACHMENT0_EXT
glew.glFramebufferTexture2DEXT(glew.GL_FRAMEBUFFER_EXT, code1, GL.GL_TEXTURE_2D, self.textureID[self.currentRes], 0)
if (depth):
GL.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MIN_FILTER, GL.GL_NEAREST)
GL.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MAG_FILTER, GL.GL_NEAREST)
GL.glTexParameteri(GL.GL_TEXTURE_2D, glew.GL_DEPTH_TEXTURE_MODE, GL.GL_LUMINANCE)
if (hide):
# TODO: render to buffer NONE
renderID = glew.glGenRenderbuffersEXT(1)
glew.glBindRenderbufferEXT(glew.GL_RENDERBUFFER_EXT, renderID )
glew.glRenderbufferStorageEXT(glew.GL_RENDERBUFFER_EXT, GL.GL_RGBA, screensizex, screensizey)
glew.glFramebufferRenderbufferEXT(glew.GL_FRAMEBUFFER_EXT, glew.GL_COLOR_ATTACHMENT0_EXT,
glew.GL_RENDERBUFFER_EXT, renderID )
if (use_depth):
if Canvas.dummydepth == 666: Canvas.dummydepth = glew.glGenRenderbuffersEXT(1)
glew.glBindRenderbufferEXT(glew.GL_RENDERBUFFER_EXT, Canvas.dummydepth )
glew.glRenderbufferStorageEXT(glew.GL_RENDERBUFFER_EXT, tryme[i], screensizex, screensizey )
# attach it to framebuffer
glew.glFramebufferRenderbufferEXT(glew.GL_FRAMEBUFFER_EXT, glew.GL_DEPTH_ATTACHMENT_EXT, glew.GL_RENDERBUFFER_EXT, Canvas.dummydepth)
Canvas.dummydepth=666
if (self.CheckFrameBuffer()):
glew.glBindFramebufferEXT(glew.GL_FRAMEBUFFER_EXT, 0 )
return True
glew.glBindFramebufferEXT(glew.GL_FRAMEBUFFER_EXT, 0 )
return False
def CheckFrameBuffer():
res = glew.glCheckFramebufferStatusEXT(glew.GL_FRAMEBUFFER_EXT)
if res == glew.GL_FRAMEBUFFER_COMPLETE_EXT: return True
else: return False