def _config_textures(self):
import ctypes
bgl.glBindRenderbuffer(bgl.GL_RENDERBUFFER, self.buf_depth[0])
bgl.glRenderbufferStorage(bgl.GL_RENDERBUFFER, bgl.GL_DEPTH_COMPONENT,
self.width, self.height)
NULL = bgl.Buffer(bgl.GL_INT, 1, (ctypes.c_int32 * 1).from_address(0))
bgl.glBindTexture(bgl.GL_TEXTURE_2D, self.buf_color[0])
bgl.glTexImage2D(bgl.GL_TEXTURE_2D, 0, bgl.GL_R32UI, self.width,
self.height, 0, bgl.GL_RED_INTEGER,
bgl.GL_UNSIGNED_INT, NULL)
del NULL
def __init__(self, width, height):
import ctypes
self.freed = False
self.is_bound = False
self.width = width
self.height = height
self.fbo = bgl.Buffer(bgl.GL_INT, 1)
self.buf_color = bgl.Buffer(bgl.GL_INT, 1)
self.buf_depth = bgl.Buffer(bgl.GL_INT, 1)
self.cur_fbo = bgl.Buffer(bgl.GL_INT, 1)
self.cur_viewport = bgl.Buffer(bgl.GL_INT, 4)
bgl.glGenRenderbuffers(1, self.buf_depth)
bgl.glBindRenderbuffer(bgl.GL_RENDERBUFFER, self.buf_depth[0])
bgl.glRenderbufferStorage(bgl.GL_RENDERBUFFER, bgl.GL_DEPTH_COMPONENT,
width, height)
bgl.glGenTextures(1, self.buf_color)
bgl.glBindTexture(bgl.GL_TEXTURE_2D, self.buf_color[0])
NULL = bgl.Buffer(bgl.GL_INT, 1, (ctypes.c_int32 * 1).from_address(0))
bgl.glTexImage2D(bgl.GL_TEXTURE_2D, 0, bgl.GL_R32UI, width, height, 0,
bgl.GL_RED_INTEGER, bgl.GL_UNSIGNED_INT, NULL)
del NULL
bgl.glTexParameteri(bgl.GL_TEXTURE_2D, bgl.GL_TEXTURE_MIN_FILTER,
bgl.GL_NEAREST)
bgl.glTexParameteri(bgl.GL_TEXTURE_2D, bgl.GL_TEXTURE_MAG_FILTER,
bgl.GL_NEAREST)
bgl.glGetIntegerv(bgl.GL_FRAMEBUFFER_BINDING, self.cur_fbo)
bgl.glGenFramebuffers(1, self.fbo)
bgl.glBindFramebuffer(bgl.GL_FRAMEBUFFER, self.fbo[0])
bgl.glFramebufferRenderbuffer(bgl.GL_FRAMEBUFFER,
bgl.GL_DEPTH_ATTACHMENT,
bgl.GL_RENDERBUFFER, self.buf_depth[0])
bgl.glFramebufferTexture(bgl.GL_FRAMEBUFFER, bgl.GL_COLOR_ATTACHMENT0,
self.buf_color[0], 0)
bgl.glDrawBuffers(
1, bgl.Buffer(bgl.GL_INT, 1, [bgl.GL_COLOR_ATTACHMENT0]))
status = bgl.glCheckFramebufferStatus(bgl.GL_FRAMEBUFFER)
if status != bgl.GL_FRAMEBUFFER_COMPLETE:
print("Framebuffer Invalid", status)
bgl.glBindFramebuffer(bgl.GL_FRAMEBUFFER, self.cur_fbo[0])
def genfb(self, width, height):
buf = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGenFramebuffers(1, buf)
self.fb = buf[0]
bgl.glBindFramebuffer(bgl.GL_FRAMEBUFFER, self.fb)
bgl.glGenTextures(1, buf)
self.tex = buf[0]
bgl.glActiveTexture(bgl.GL_TEXTURE0)
bgl.glBindTexture(bgl.GL_TEXTURE_2D, self.tex)
bgl.glTexImage2D(bgl.GL_TEXTURE_2D, 0, bgl.GL_RGBA16F, width, height,
0, bgl.GL_RGBA, bgl.GL_FLOAT, None)
bgl.glTexParameteri(bgl.GL_TEXTURE_2D, bgl.GL_TEXTURE_MAG_FILTER,
bgl.GL_NEAREST)
bgl.glTexParameteri(bgl.GL_TEXTURE_2D, bgl.GL_TEXTURE_MIN_FILTER,
bgl.GL_NEAREST)
bgl.glFramebufferTexture(bgl.GL_FRAMEBUFFER, bgl.GL_COLOR_ATTACHMENT0,
self.tex, 0)
bgl.glGenRenderbuffers(1, buf)
self.depth = buf[0]
bgl.glBindRenderbuffer(bgl.GL_RENDERBUFFER, self.depth)
bgl.glRenderbufferStorage(bgl.GL_RENDERBUFFER, bgl.GL_DEPTH_COMPONENT,
width, height)
bgl.glFramebufferRenderbuffer(bgl.GL_FRAMEBUFFER,
bgl.GL_DEPTH_ATTACHMENT,
bgl.GL_RENDERBUFFER, self.depth)
status = bgl.glCheckFramebufferStatus(bgl.GL_FRAMEBUFFER)
if status == 0:
glerr("Could not get framebuffer status")
elif status != bgl.GL_FRAMEBUFFER_COMPLETE:
msg = {
bgl.GL_FRAMEBUFFER_UNDEFINED:
"undefined",
bgl.GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT:
"incomplete attachment",
bgl.GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT:
"missing attachment",
bgl.GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER:
"incomplete draw buffer",
bgl.GL_FRAMEBUFFER_UNSUPPORTED:
"unsupported",
bgl.GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE:
"incomplete multisample",
bgl.GL_FRAMEBUFFER_INCOMPLETE_LAYER_TARGETS:
"incomplete layer targets",
}.get(status, "unknown ({:x})".format(status))
raise RuntimeError("Could not initialize GL framebuffer: " + msg)
def _config_textures(self):
import ctypes
bgl.glBindRenderbuffer(bgl.GL_RENDERBUFFER, self.buf_depth[0])
bgl.glRenderbufferStorage(
bgl.GL_RENDERBUFFER, bgl.GL_DEPTH_COMPONENT, self.width, self.height)
NULL = bgl.Buffer(bgl.GL_INT, 1, (ctypes.c_int32 * 1).from_address(0))
bgl.glBindTexture(bgl.GL_TEXTURE_2D, self.buf_color[0])
bgl.glTexImage2D(
bgl.GL_TEXTURE_2D, 0, bgl.GL_R32UI, self.width, self.height,
0, bgl.GL_RED_INTEGER, bgl.GL_UNSIGNED_INT, NULL)
del NULL
bgl.glTexParameteri(bgl.GL_TEXTURE_2D, bgl.GL_TEXTURE_MIN_FILTER, bgl.GL_NEAREST)
bgl.glTexParameteri(bgl.GL_TEXTURE_2D, bgl.GL_TEXTURE_MAG_FILTER, bgl.GL_NEAREST)
