def bind_depth_texture(self, size):
"""Create depth texture for shadow map."""
width, height = size
texture_type = GL_TEXTURE_2D
self.__depth_map_fbo = glGenFramebuffers(1)
depth_map = self.__textures_ids[len(self.__textures)]
glBindTexture(texture_type, depth_map)
self.__textures.append(2)
glTexImage2D(texture_type, 0, GL_DEPTH_COMPONENT, width, height, 0,
GL_DEPTH_COMPONENT, GL_FLOAT, None)
glTexParameteri(texture_type, GL_TEXTURE_MIN_FILTER, GL_NEAREST)
glTexParameteri(texture_type, GL_TEXTURE_MAG_FILTER, GL_NEAREST)
glTexParameteri(texture_type, GL_TEXTURE_WRAP_S, GL_REPEAT)
glTexParameteri(texture_type, GL_TEXTURE_WRAP_T, GL_REPEAT)
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE,
GL_COMPARE_REF_TO_TEXTURE)
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC, GL_LESS)
glBindFramebuffer(GL_FRAMEBUFFER, self.__depth_map_fbo)
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT,
GL_TEXTURE_2D, depth_map, 0)
glDrawBuffer(GL_NONE)
glReadBuffer(GL_NONE)
glBindFramebuffer(GL_FRAMEBUFFER, 0)
def bind_depth_texture(self, size):
"""Create depth texture for shadow map."""
width, height = size
texture_type = GL_TEXTURE_2D
self.__depth_map_fbo = glGenFramebuffers(1)
depth_map = self.__textures_ids[len(self.__textures)]
glBindTexture(texture_type, depth_map)
self.__textures.append(2)
glTexImage2D(texture_type, 0, GL_DEPTH_COMPONENT,
width, height, 0, GL_DEPTH_COMPONENT,
GL_FLOAT, None)
glTexParameteri(texture_type, GL_TEXTURE_MIN_FILTER, GL_NEAREST)
glTexParameteri(texture_type, GL_TEXTURE_MAG_FILTER, GL_NEAREST)
glTexParameteri(texture_type, GL_TEXTURE_WRAP_S, GL_REPEAT)
glTexParameteri(texture_type, GL_TEXTURE_WRAP_T, GL_REPEAT)
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE,
GL_COMPARE_REF_TO_TEXTURE)
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC,
GL_LESS)
glBindFramebuffer(GL_FRAMEBUFFER, self.__depth_map_fbo)
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT,
GL_TEXTURE_2D, depth_map, 0)
glDrawBuffer(GL_NONE)
glReadBuffer(GL_NONE)
glBindFramebuffer(GL_FRAMEBUFFER, 0)
def __init__(self, pos):
super().__init__(self._emptyTileData, pos,
(self.micronSize, self.micronSize),
(0, 1), 'megatiles',
shouldDelayAllocation = True)
## Counts the number of tiles we've rendered to ourselves.
self.numRenderedTiles = 0
## Whether or not we've allocated memory for our texture yet.
self.haveAllocatedMemory = False
global megaTileFramebuffer
if megaTileFramebuffer is None:
megaTileFramebuffer = glGenFramebuffers(1)
def __init__(self, w, h, color_texture, depth_texture):
self._gl_id = glGenFramebuffers(1);
self._ct = color_texture
self._dt = depth_texture
with self:
glDrawBuffer(GL_COLOR_ATTACHMENT0)
glFramebufferTexture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, gl_id(color_texture), 0);
glFramebufferTexture(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, gl_id(depth_texture), 0);
rid = glGenRenderbuffers(1)
glBindRenderbuffer(GL_RENDERBUFFER, rid)
glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT, w, h)
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, rid)
glBindRenderbuffer(GL_RENDERBUFFER, 0)
e = glCheckFramebufferStatus(GL_DRAW_FRAMEBUFFER);
if e != GL_FRAMEBUFFER_COMPLETE:
raise Exception('GOT PROBLEMS {}'.format(e))
def create(self, buffer):
self.FBO = glGenFramebuffers(1)
self.bind()
buffer.attach()
self.unbind()
def __enter__(self):
if self.gl_identifier is None:
self.gl_identifier = glGenFramebuffers(1)
glBindFramebuffer(GL_FRAMEBUFFER, self.gl_identifier)
return self