def get_edge_co(self, index):
bgl.glBindVertexArray(self.vao[0])
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vbo_edges[0])
bgl.glGetBufferSubData(bgl.GL_ARRAY_BUFFER, index * 24, 24,
self.edge_co)
bgl.glBindVertexArray(0)
return self.edge_co
def get_tri_co(self, index):
bgl.glBindVertexArray(self.vao[0])
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vbo_tris[0])
bgl.glGetBufferSubData(bgl.GL_ARRAY_BUFFER, index * 36, 36,
self.tri_co)
bgl.glBindVertexArray(0)
return self.tri_co
def draw(self):
bgl.glActiveTexture(bgl.GL_TEXTURE0)
bgl.glBindTexture(bgl.GL_TEXTURE_2D, self.texture[0])
bgl.glBindVertexArray(self.vertex_array[0])
bgl.glDrawArrays(bgl.GL_TRIANGLE_FAN, 0, 4)
bgl.glBindVertexArray(0)
bgl.glBindTexture(bgl.GL_TEXTURE_2D, 0)
def get_loosevert_co(self, index):
bgl.glBindVertexArray(self.vao[0])
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vbo_verts[0])
bgl.glGetBufferSubData(bgl.GL_ARRAY_BUFFER, index * 12, 12,
self.vert_co)
bgl.glBindVertexArray(0)
return self.vert_co
def draw(self):
bgl.glActiveTexture(bgl.GL_TEXTURE0)
bgl.glBindTexture(bgl.GL_TEXTURE_2D, self.texture[0])
bgl.glBindVertexArray(self.vertex_array[0])
bgl.glDrawArrays(bgl.GL_TRIANGLE_FAN, 0, 4);
bgl.glBindVertexArray(0)
bgl.glBindTexture(bgl.GL_TEXTURE_2D, 0)
def __init__(self, dimensions):
# Generate dummy float image buffer
self.dimensions = dimensions
width, height = dimensions
pixels = [1, 0.2, 0.1, 1.0] * width * height
pixels = bgl.Buffer(bgl.GL_FLOAT, width * height * 4, pixels)
# Generate texture
self.texture = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGenTextures(1, self.texture)
bgl.glActiveTexture(bgl.GL_TEXTURE0)
bgl.glBindTexture(bgl.GL_TEXTURE_2D, self.texture[0])
bgl.glTexImage2D(bgl.GL_TEXTURE_2D, 0, bgl.GL_RGBA16F, width, height,
0, bgl.GL_RGBA, bgl.GL_FLOAT, pixels)
bgl.glTexParameteri(bgl.GL_TEXTURE_2D, bgl.GL_TEXTURE_MIN_FILTER,
bgl.GL_LINEAR)
bgl.glTexParameteri(bgl.GL_TEXTURE_2D, bgl.GL_TEXTURE_MAG_FILTER,
bgl.GL_LINEAR)
bgl.glBindTexture(bgl.GL_TEXTURE_2D, 0)
# Bind shader that converts from scene linear to display space,
# use the scene's color management settings.
shader_program = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGetIntegerv(bgl.GL_CURRENT_PROGRAM, shader_program)
# Generate vertex array
self.vertex_array = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGenVertexArrays(1, self.vertex_array)
bgl.glBindVertexArray(self.vertex_array[0])
texturecoord_location = bgl.glGetAttribLocation(
shader_program[0], "texCoord")
position_location = bgl.glGetAttribLocation(shader_program[0], "pos")
bgl.glEnableVertexAttribArray(texturecoord_location)
bgl.glEnableVertexAttribArray(position_location)
# Generate geometry buffers for drawing textured quad
position = [0.0, 0.0, width, 0.0, width, height, 0.0, height]
position = bgl.Buffer(bgl.GL_FLOAT, len(position), position)
texcoord = [0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 1.0]
texcoord = bgl.Buffer(bgl.GL_FLOAT, len(texcoord), texcoord)
self.vertex_buffer = bgl.Buffer(bgl.GL_INT, 2)
bgl.glGenBuffers(2, self.vertex_buffer)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vertex_buffer[0])
bgl.glBufferData(bgl.GL_ARRAY_BUFFER, 32, position, bgl.GL_STATIC_DRAW)
bgl.glVertexAttribPointer(position_location, 2, bgl.GL_FLOAT,
bgl.GL_FALSE, 0, None)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vertex_buffer[1])
bgl.glBufferData(bgl.GL_ARRAY_BUFFER, 32, texcoord, bgl.GL_STATIC_DRAW)
bgl.glVertexAttribPointer(texturecoord_location, 2, bgl.GL_FLOAT,
bgl.GL_FALSE, 0, None)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, 0)
bgl.glBindVertexArray(0)
def draw(self):
self.log.info('CustomDrawData.draw() [%s]' % self)
bgl.glActiveTexture(bgl.GL_TEXTURE0)
bgl.glBindTexture(bgl.GL_TEXTURE_2D, self.texture[0])
bgl.glBindVertexArray(self.vertex_array[0])
bgl.glDrawArrays(bgl.GL_TRIANGLE_FAN, 0, 4)
bgl.glBindVertexArray(0)
bgl.glBindTexture(bgl.GL_TEXTURE_2D, 0)
def get_bounds_co(self, index):
bgl.glBindVertexArray(self.vao[0])
check_error("glBindVertexArray(self.vao[0])")
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vbo_bounds_co[0])
check_error("glBindBuffer")
bgl.glGetBufferSubData(bgl.GL_ARRAY_BUFFER, index * 12, 12, self.bounds_co)
check_error("glGetBufferSubData")
bgl.glBindVertexArray(0)
check_error("glBindVertexArray(0)")
return self.bounds_co
def draw(self):
if self.updateTextureOnDraw:
self.updateTexture()
self.updateTextureOnDraw = False
bgl.glActiveTexture(bgl.GL_TEXTURE0)
bgl.glBindTexture(bgl.GL_TEXTURE_2D, self.texture[0])
bgl.glBindVertexArray(self.vertex_array[0])
bgl.glDrawArrays(bgl.GL_TRIANGLE_FAN, 0, 4)
bgl.glBindVertexArray(0)
bgl.glBindTexture(bgl.GL_TEXTURE_2D, 0)
def draw(self, pixels):
width, height = self.dimensions
bgl.glActiveTexture(bgl.GL_TEXTURE0)
bgl.glBindTexture(bgl.GL_TEXTURE_2D, self.texture[0])
pixels = bgl.Buffer(bgl.GL_FLOAT, width * height * 4, pixels)
bgl.glTexSubImage2D(bgl.GL_TEXTURE_2D, 0, 0, 0, width, height,
bgl.GL_RGBA, bgl.GL_FLOAT, pixels)
bgl.glBindVertexArray(self.vertex_array[0])
bgl.glDrawArrays(bgl.GL_TRIANGLE_FAN, 0, 4)
bgl.glBindVertexArray(0)
bgl.glBindTexture(bgl.GL_TEXTURE_2D, 0)
def _draw_texture(texture_id, x, y, width, height):
# INITIALIZATION
# Getting shader program
shader_program = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGetIntegerv(bgl.GL_CURRENT_PROGRAM, shader_program)
# Generate vertex array
vertex_array = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGenVertexArrays(1, vertex_array)
texturecoord_location = bgl.glGetAttribLocation(
shader_program[0], "texCoord")
position_location = bgl.glGetAttribLocation(shader_program[0], "pos")
# Generate geometry buffers for drawing textured quad
position = [x, y, x + width, y, x + width, y + height, x, y + height]
position = bgl.Buffer(bgl.GL_FLOAT, len(position), position)
texcoord = [0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 1.0]
texcoord = bgl.Buffer(bgl.GL_FLOAT, len(texcoord), texcoord)
vertex_buffer = bgl.Buffer(bgl.GL_INT, 2)
bgl.glGenBuffers(2, vertex_buffer)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, vertex_buffer[0])
bgl.glBufferData(bgl.GL_ARRAY_BUFFER, 32, position, bgl.GL_STATIC_DRAW)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, vertex_buffer[1])
bgl.glBufferData(bgl.GL_ARRAY_BUFFER, 32, texcoord, bgl.GL_STATIC_DRAW)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, 0)
# DRAWING
bgl.glActiveTexture(bgl.GL_TEXTURE0)
bgl.glBindTexture(bgl.GL_TEXTURE_2D, texture_id)
bgl.glBindVertexArray(vertex_array[0])
bgl.glEnableVertexAttribArray(texturecoord_location)
bgl.glEnableVertexAttribArray(position_location)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, vertex_buffer[0])
bgl.glVertexAttribPointer(position_location, 2, bgl.GL_FLOAT,
bgl.GL_FALSE, 0, None)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, vertex_buffer[1])
bgl.glVertexAttribPointer(texturecoord_location, 2, bgl.GL_FLOAT,
bgl.GL_FALSE, 0, None)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, 0)
bgl.glDrawArrays(bgl.GL_TRIANGLE_FAN, 0, 4)
bgl.glBindVertexArray(0)
bgl.glBindTexture(bgl.GL_TEXTURE_2D, 0)
# DELETING
bgl.glDeleteBuffers(2, vertex_buffer)
bgl.glDeleteVertexArrays(1, vertex_array)
def __init__(self, dimensions):
# Generate dummy float image buffer
self.dimensions = dimensions
width, height = dimensions
pixels = [0.1, 0.2, 0.1, 1.0] * width * height
pixels = bgl.Buffer(bgl.GL_FLOAT, width * height * 4, pixels)
# Generate texture
self.texture = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGenTextures(1, self.texture)
bgl.glActiveTexture(bgl.GL_TEXTURE0)
bgl.glBindTexture(bgl.GL_TEXTURE_2D, self.texture[0])
bgl.glTexImage2D(bgl.GL_TEXTURE_2D, 0, bgl.GL_RGBA16F, width, height, 0, bgl.GL_RGBA, bgl.GL_FLOAT, pixels)
bgl.glTexParameteri(bgl.GL_TEXTURE_2D, bgl.GL_TEXTURE_MIN_FILTER, bgl.GL_LINEAR)
bgl.glTexParameteri(bgl.GL_TEXTURE_2D, bgl.GL_TEXTURE_MAG_FILTER, bgl.GL_LINEAR)
bgl.glBindTexture(bgl.GL_TEXTURE_2D, 0)
# Bind shader that converts from scene linear to display space,
# use the scene's color management settings.
shader_program = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGetIntegerv(bgl.GL_CURRENT_PROGRAM, shader_program);
# Generate vertex array
self.vertex_array = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGenVertexArrays(1, self.vertex_array)
bgl.glBindVertexArray(self.vertex_array[0])
texturecoord_location = bgl.glGetAttribLocation(shader_program[0], "texCoord");
position_location = bgl.glGetAttribLocation(shader_program[0], "pos");
bgl.glEnableVertexAttribArray(texturecoord_location);
bgl.glEnableVertexAttribArray(position_location);
# Generate geometry buffers for drawing textured quad
position = [0.0, 0.0, width, 0.0, width, height, 0.0, height]
position = bgl.Buffer(bgl.GL_FLOAT, len(position), position)
texcoord = [0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 1.0]
texcoord = bgl.Buffer(bgl.GL_FLOAT, len(texcoord), texcoord)
self.vertex_buffer = bgl.Buffer(bgl.GL_INT, 2)
bgl.glGenBuffers(2, self.vertex_buffer)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vertex_buffer[0])
bgl.glBufferData(bgl.GL_ARRAY_BUFFER, 32, position, bgl.GL_STATIC_DRAW)
bgl.glVertexAttribPointer(position_location, 2, bgl.GL_FLOAT, bgl.GL_FALSE, 0, None)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vertex_buffer[1])
bgl.glBufferData(bgl.GL_ARRAY_BUFFER, 32, texcoord, bgl.GL_STATIC_DRAW)
bgl.glVertexAttribPointer(texturecoord_location, 2, bgl.GL_FLOAT, bgl.GL_FALSE, 0, None)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, 0)
bgl.glBindVertexArray(0)
def Draw(self, index_offset):
self.first_index = index_offset
bgl.glUseProgram(self.shader.program)
bgl.glBindVertexArray(self.vao[0])
bgl.glUniformMatrix4fv(self.unif_MV, 1, bgl.GL_TRUE, self.MV)
bgl.glUniformMatrix4fv(self.unif_MVP, 1, bgl.GL_TRUE, self.MVP)
if self.draw_tris:
bgl.glUniform1f(self.unif_offset, float(index_offset)) # bgl has no glUniform1ui :\
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vbo_tris[0])
bgl.glEnableVertexAttribArray(self.attr_pos)
bgl.glVertexAttribPointer(self.attr_pos, 3, bgl.GL_FLOAT, bgl.GL_FALSE, 0, self._NULL)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vbo_tri_indices[0])
bgl.glEnableVertexAttribArray(self.attr_primitive_id)
bgl.glVertexAttribPointer(self.attr_primitive_id, 1, bgl.GL_FLOAT, bgl.GL_FALSE, 0, self._NULL)
bgl.glDrawArrays(bgl.GL_TRIANGLES, 0, self.num_tris * 3)
index_offset += self.num_tris
bgl.glDepthRange(-0.00005, 0.99995)
if self.draw_edges:
bgl.glUniform1f(self.unif_offset, float(index_offset)) #TODO: use glUniform1ui
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vbo_edges[0])
bgl.glVertexAttribPointer(self.attr_pos, 3, bgl.GL_FLOAT, bgl.GL_FALSE, 0, self._NULL)
bgl.glEnableVertexAttribArray(self.attr_pos)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vbo_edge_indices[0])
bgl.glVertexAttribPointer(self.attr_primitive_id, 1, bgl.GL_FLOAT, bgl.GL_FALSE, 0, self._NULL)
bgl.glEnableVertexAttribArray(self.attr_primitive_id)
bgl.glDrawArrays(bgl.GL_LINES, 0, self.num_edges * 2)
index_offset += self.num_edges
if self.draw_verts:
bgl.glUniform1f(self.unif_offset, float(index_offset)) #TODO: use glUniform1ui
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vbo_verts[0])
bgl.glVertexAttribPointer(self.attr_pos, 3, bgl.GL_FLOAT, bgl.GL_FALSE, 0, self._NULL)
bgl.glEnableVertexAttribArray(self.attr_pos)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vbo_looseverts_indices[0])
bgl.glVertexAttribPointer(self.attr_primitive_id, 1, bgl.GL_FLOAT, bgl.GL_FALSE, 0, self._NULL)
bgl.glEnableVertexAttribArray(self.attr_primitive_id)
bgl.glDrawArrays(bgl.GL_POINTS, 0, self.num_verts)
bgl.glDepthRange(0.0, 1.0)
def _init_opengl(self, engine, scene):
# Create texture
self.texture = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGenTextures(1, self.texture)
self.texture_id = self.texture[0]
# Bind shader that converts from scene linear to display space,
# use the scene's color management settings.
engine.bind_display_space_shader(scene)
shader_program = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGetIntegerv(bgl.GL_CURRENT_PROGRAM, shader_program)
# Generate vertex array
self.vertex_array = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGenVertexArrays(1, self.vertex_array)
bgl.glBindVertexArray(self.vertex_array[0])
texturecoord_location = bgl.glGetAttribLocation(
shader_program[0], "texCoord")
position_location = bgl.glGetAttribLocation(shader_program[0], "pos")
bgl.glEnableVertexAttribArray(texturecoord_location)
bgl.glEnableVertexAttribArray(position_location)
# Generate geometry buffers for drawing textured quad
width = self._width * self._pixel_size
height = self._height * self._pixel_size
position = [
self._offset_x, self._offset_y, self._offset_x + width,
self._offset_y, self._offset_x + width, self._offset_y + height,
self._offset_x, self._offset_y + height
]
position = bgl.Buffer(bgl.GL_FLOAT, len(position), position)
texcoord = [0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 1.0]
texcoord = bgl.Buffer(bgl.GL_FLOAT, len(texcoord), texcoord)
self.vertex_buffer = bgl.Buffer(bgl.GL_INT, 2)
bgl.glGenBuffers(2, self.vertex_buffer)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vertex_buffer[0])
bgl.glBufferData(bgl.GL_ARRAY_BUFFER, 32, position, bgl.GL_STATIC_DRAW)
bgl.glVertexAttribPointer(position_location, 2, bgl.GL_FLOAT,
bgl.GL_FALSE, 0, None)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vertex_buffer[1])
bgl.glBufferData(bgl.GL_ARRAY_BUFFER, 32, texcoord, bgl.GL_STATIC_DRAW)
bgl.glVertexAttribPointer(texturecoord_location, 2, bgl.GL_FLOAT,
bgl.GL_FALSE, 0, None)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, NULL)
bgl.glBindVertexArray(NULL)
engine.unbind_display_space_shader()
def __init__(self, dimensions):
self.dimensions = dimensions
width, height = dimensions
pixels = [0.1, 0.2, 0.1, 1.0] * width * height
pixels = bgl.Buffer(bgl.GL_FLOAT, width * height * 4, pixels)
self.texture = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGenTextures(1, self.texture)
bgl.glActiveTexture(bgl.GL_TEXTURE0)
bgl.glBindTexture(bgl.GL_TEXTURE_2D, self.texture[0])
bgl.glTexImage2D(bgl.GL_TEXTURE_2D, 0, bgl.GL_RGBA16F, width, height,
0, bgl.GL_RGBA, bgl.GL_FLOAT, pixels)
bgl.glTexParameteri(bgl.GL_TEXTURE_2D, bgl.GL_TEXTURE_MIN_FILTER,
bgl.GL_LINEAR)
bgl.glBindTexture(bgl.GL_TEXTURE_2D, 0)
shader_program = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGetIntegerv(bgl.GL_CURRENT_PROGRAM, shader_program)
self.vertex_array = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGenVertexArrays(1, self.vertex_array)
bgl.glBindVertexArray(self.vertex_array[0])
texturecoord_location = bgl.glGetAttribLocation(
shader_program[0], "texCoord")
position_location = bgl.glGetAttribLocation(shader_program[0], "pos")
bgl.glEnableVertexAttribArray(texturecoord_location)
bgl.glEnableVertexAttribArray(position_location)
position = [0.0, 0.0, width, 0.0, width, height, 0.0, height]
position = bgl.Buffer(bgl.GL_FLOAT, len(position), position)
texcoord = [0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 1.0]
texcoord = bgl.Buffer(bgl.GL_FLOAT, len(texcoord), texcoord)
self.vertex_buffer = bgl.Buffer(bgl.GL_INT, 2)
bgl.glGenBuffers(2, self.vertex_buffer)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vertex_buffer[0])
bgl.glBufferData(bgl.GL_ARRAY_BUFFER, 32, position, bgl.GL_STATIC_DRAW)
bgl.glVertexAttribPointer(position_location, 2, bgl.GL_FLOAT,
bgl.GL_FALSE, 0, None)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vertex_buffer[1])
bgl.glBufferData(bgl.GL_ARRAY_BUFFER, 32, texcoord, bgl.GL_STATIC_DRAW)
bgl.glVertexAttribPointer(texturecoord_location, 2, bgl.GL_FLOAT,
bgl.GL_FALSE, 0, None)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, 0)
bgl.glBindVertexArray(0)
def draw(self, engine, scene):
bgl.glEnable(bgl.GL_BLEND)
bgl.glBlendFunc(bgl.GL_ONE, bgl.GL_ONE_MINUS_SRC_ALPHA)
engine.bind_display_space_shader(scene)
bgl.glActiveTexture(bgl.GL_TEXTURE0)
bgl.glBindTexture(bgl.GL_TEXTURE_2D, self.texture[0])
bgl.glBindVertexArray(self.vertex_array[0])
bgl.glDrawArrays(bgl.GL_TRIANGLE_FAN, 0, 4)
bgl.glBindVertexArray(0)
bgl.glBindTexture(bgl.GL_TEXTURE_2D, 0)
engine.unbind_display_space_shader()
bgl.glDisable(bgl.GL_BLEND)
def init_opengl(self, engine, scene):
self.texture = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGenTextures(1, self.texture)
self.generate_texture()
engine.bind_display_space_shader(scene)
shader_program = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGetIntegerv(bgl.GL_CURRENT_PROGRAM, shader_program)
self.vertex_array = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGenVertexArrays(1, self.vertex_array)
bgl.glBindVertexArray(self.vertex_array[0])
texturecoord_location = bgl.glGetAttribLocation(
shader_program[0], "texCoord")
position_location = bgl.glGetAttribLocation(shader_program[0], "pos")
bgl.glEnableVertexAttribArray(texturecoord_location)
bgl.glEnableVertexAttribArray(position_location)
position = [
0.0, 0.0, self.width, 0.0, self.width, self.height, 0.0,
self.height
]
position = bgl.Buffer(bgl.GL_FLOAT, len(position), position)
texcoord = [0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 1.0]
texcoord = bgl.Buffer(bgl.GL_FLOAT, len(texcoord), texcoord)
self.vertex_buffer = bgl.Buffer(bgl.GL_INT, 2)
bgl.glGenBuffers(2, self.vertex_buffer)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vertex_buffer[0])
bgl.glBufferData(bgl.GL_ARRAY_BUFFER, 32, position, bgl.GL_STATIC_DRAW)
bgl.glVertexAttribPointer(position_location, 2, bgl.GL_FLOAT,
bgl.GL_FALSE, 0, None)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vertex_buffer[1])
bgl.glBufferData(bgl.GL_ARRAY_BUFFER, 32, texcoord, bgl.GL_STATIC_DRAW)
bgl.glVertexAttribPointer(texturecoord_location, 2, bgl.GL_FLOAT,
bgl.GL_FALSE, 0, None)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, 0)
bgl.glBindVertexArray(0)
engine.unbind_display_space_shader()
def prepare_viewport(self, ctx, dg):
width, height = ctx.region.width, ctx.region.height
self.dim = (width, height)
buf = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGetIntegerv(bgl.GL_DRAW_FRAMEBUFFER_BINDING, buf)
fb = buf[0]
self.genfb(width, height)
bgl.glGenVertexArrays(1, buf)
self.vao = buf[0]
bgl.glBindVertexArray(self.vao)
quad = bgl.Buffer(bgl.GL_FLOAT, 2 * 4,
[0, 0, width, 0, width, height, 0, height])
uv = bgl.Buffer(bgl.GL_FLOAT, 2 * 4, [0, 0, 1, 0, 1, 1, 0, 1])
self.bind_display_space_shader(dg.scene)
bgl.glGetIntegerv(bgl.GL_CURRENT_PROGRAM, buf)
self.unbind_display_space_shader()
self.quad_in = bgl.glGetAttribLocation(buf[0], "pos")
self.uv_in = bgl.glGetAttribLocation(buf[0], "texCoord")
bgl.glEnableVertexAttribArray(self.quad_in)
bgl.glEnableVertexAttribArray(self.uv_in)
self.vtx_buf = bgl.Buffer(bgl.GL_INT, 2)
bgl.glGenBuffers(2, self.vtx_buf)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vtx_buf[0])
bgl.glBufferData(bgl.GL_ARRAY_BUFFER, 2 * 4 * 4, quad,
bgl.GL_STATIC_DRAW)
bgl.glVertexAttribPointer(self.quad_in, 2, bgl.GL_FLOAT, bgl.GL_FALSE,
0, None)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vtx_buf[1])
bgl.glBufferData(bgl.GL_ARRAY_BUFFER, 2 * 4 * 4, uv,
bgl.GL_STATIC_DRAW)
bgl.glVertexAttribPointer(self.uv_in, 2, bgl.GL_FLOAT, bgl.GL_FALSE, 0,
None)
bgl.glDisableVertexAttribArray(self.quad_in)
bgl.glDisableVertexAttribArray(self.uv_in)
bgl.glBindFramebuffer(bgl.GL_FRAMEBUFFER, fb)
def draw(self, index_offset):
self.first_index = index_offset
bgl.glUseProgram(self.shader.program)
bgl.glBindVertexArray(self.vao[0])
bgl.glUniformMatrix4fv(self.unif_MVP, 1, bgl.GL_TRUE, self.MVP)
# bgl.glUniform1f(self.unif_size, float(2.0))
if self.draw_segs:
self.bind(self.vbo_segs_co, self.vbo_segs, index_offset)
bgl.glDrawArrays(bgl.GL_LINES, 0, self.num_segs * 2)
index_offset += self.num_segs
if self.draw_origin:
self.bind(self.vbo_origin_co, self.vbo_origin, index_offset)
bgl.glDrawArrays(bgl.GL_POINTS, 0, self.num_origins)
index_offset += self.num_origins
bgl.glBindVertexArray(0)
def draw(self, index_offset):
self.first_index = index_offset
bgl.glUseProgram(self.shader.program)
check_error("glUseProgram")
bgl.glBindVertexArray(self.vao[0])
check_error("glBindVertexArray(self.vao[0])")
bgl.glUniformMatrix4fv(self.unif_MVP, 1, bgl.GL_TRUE, self.MVP)
check_error("glUniformMatrix4fv")
# 2.91 - require sequence of floats
# self.shader.uniform_float("MVP", np.reshape(self.MVP, 16))
if self.draw_segs:
self.bind(self.vbo_segs_co, self.vbo_segs, index_offset)
check_error("draw_segs bind")
# 2.91
# self.shader.uniform_float("offset", float(index_offset))
bgl.glDrawArrays(bgl.GL_LINES, 0, self.num_segs * 2)
check_error("draw_segs glDrawArrays")
index_offset += self.num_segs
if self.draw_origin:
self.bind(self.vbo_origin_co, self.vbo_origin, index_offset)
check_error("draw_origin bind")
# 2.91
# self.shader.uniform_float("offset", float(index_offset))
bgl.glDrawArrays(bgl.GL_POINTS, 0, self.num_origins)
check_error("draw_origin glDrawArrays")
index_offset += self.num_origins
if self.draw_bounds:
self.bind(self.vbo_bounds_co, self.vbo_bounds, index_offset)
check_error("draw_bounds bind")
# 2.91
# self.shader.uniform_float("offset", float(index_offset))
bgl.glDrawArrays(bgl.GL_POINTS, 0, self.num_bounds)
check_error("draw_bounds glDrawArrays")
index_offset += self.num_bounds
bgl.glBindVertexArray(0)
check_error("glBindVertexArray(0)")
def view_draw(self, ctx, dg):
if self.scene is None:
return
buf = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGetIntegerv(bgl.GL_DRAW_FRAMEBUFFER_BINDING, buf)
if buf[0] == 0:
return
width, height = ctx.region.width, ctx.region.height
if self.dim != (width, height):
self.delfb()
self.prepare_viewport(ctx, dg)
# Render the scene
bgl.glViewport(0, 0, width, height)
cam = ctx.region_data.perspective_matrix
zu.scene_cam(self.scene, mat(cam))
zu.scene_draw(self.scene, self.fb)
# Copy the rendered scene to the viewport (through the color space adjustment shader)
bgl.glBindFramebuffer(bgl.GL_FRAMEBUFFER, buf[0])
bgl.glEnable(bgl.GL_BLEND)
bgl.glBlendFunc(bgl.GL_SRC_ALPHA, bgl.GL_ONE_MINUS_SRC_ALPHA)
self.bind_display_space_shader(dg.scene)
bgl.glBindVertexArray(self.vao)
bgl.glEnableVertexAttribArray(self.quad_in)
bgl.glEnableVertexAttribArray(self.uv_in)
bgl.glActiveTexture(bgl.GL_TEXTURE0)
bgl.glBindTexture(bgl.GL_TEXTURE_2D, self.tex)
bgl.glDrawArrays(bgl.GL_TRIANGLE_FAN, 0, 4)
bgl.glBindTexture(bgl.GL_TEXTURE_2D, 0)
bgl.glDisableVertexAttribArray(self.quad_in)
bgl.glDisableVertexAttribArray(self.uv_in)
bgl.glBindVertexArray(0)
self.unbind_display_space_shader()
bgl.glDisable(bgl.GL_BLEND)
def draw(self, engine, context, scene):
if self._transparent:
bgl.glEnable(bgl.GL_BLEND)
bgl.glBlendFunc(bgl.GL_ONE, bgl.GL_ONE_MINUS_SRC_ALPHA)
engine.bind_display_space_shader(scene)
bgl.glActiveTexture(bgl.GL_TEXTURE0)
bgl.glBindTexture(bgl.GL_TEXTURE_2D, self.texture_id)
bgl.glBindVertexArray(self.vertex_array[0])
bgl.glDrawArrays(bgl.GL_TRIANGLE_FAN, 0, 4)
bgl.glBindVertexArray(NULL)
bgl.glBindTexture(bgl.GL_TEXTURE_2D, NULL)
engine.unbind_display_space_shader()
err = bgl.glGetError()
if err != bgl.GL_NO_ERROR:
print("GL Error:", err)
if self._transparent:
bgl.glDisable(bgl.GL_BLEND)
def __init__(self, obj, draw_tris, draw_edges, draw_verts):
GPU_Indices_Mesh.init_opengl()
self.obj = obj
self.draw_tris = draw_tris
self.draw_edges = draw_edges
self.draw_verts = draw_verts
self.vbo = None
self.vbo_tris = None
self.vbo_edges = None
self.vbo_verts = None
## Create VAO ##
self.vao = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGenVertexArrays(1, self.vao)
bgl.glBindVertexArray(self.vao[0])
## Init Array ##
mesh_arrays = _Mesh_Arrays(obj, draw_tris, draw_edges, draw_verts)
## Create VBO for vertices ##
if mesh_arrays.verts_co is None:
self.draw_tris = False
self.draw_edges = False
self.draw_verts = False
return
if False: # Blender 2.8
self.vbo_len = len(mesh_arrays.verts_co)
self.vbo = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGenBuffers(1, self.vbo)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vbo[0])
verts_co = bgl.Buffer(bgl.GL_FLOAT, mesh_arrays.verts_co.shape, mesh_arrays.verts_co)
bgl.glBufferData(bgl.GL_ARRAY_BUFFER, self.vbo_len * 12, verts_co, bgl.GL_STATIC_DRAW)
## Create VBO for Tris ##
if mesh_arrays.tri_verts is not None:
self.tri_verts = mesh_arrays.tri_verts
self.num_tris = len(self.tri_verts)
np_tris_co = mesh_arrays.verts_co[mesh_arrays.tri_verts]
np_tris_co = bgl.Buffer(bgl.GL_FLOAT, np_tris_co.shape, np_tris_co)
self.vbo_tris = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGenBuffers(1, self.vbo_tris)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vbo_tris[0])
bgl.glBufferData(bgl.GL_ARRAY_BUFFER, self.num_tris * 36, np_tris_co, bgl.GL_STATIC_DRAW)
del np_tris_co
tri_indices = np.repeat(np.arange(self.num_tris, dtype = 'f4'), 3)
tri_indices = bgl.Buffer(bgl.GL_FLOAT, tri_indices.shape, tri_indices)
self.vbo_tri_indices = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGenBuffers(1, self.vbo_tri_indices)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vbo_tri_indices[0])
bgl.glBufferData(bgl.GL_ARRAY_BUFFER, self.num_tris * 12, tri_indices, bgl.GL_STATIC_DRAW)
del tri_indices
else:
self.num_tris = 0
self.draw_tris = False
## Create VBO for Edges ##
if mesh_arrays.edge_verts is not None:
self.edge_verts = mesh_arrays.edge_verts
self.num_edges = len(self.edge_verts)
np_edges_co = mesh_arrays.verts_co[mesh_arrays.edge_verts]
np_edges_co = bgl.Buffer(bgl.GL_FLOAT, np_edges_co.shape, np_edges_co)
self.vbo_edges = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGenBuffers(1, self.vbo_edges)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vbo_edges[0])
bgl.glBufferData(bgl.GL_ARRAY_BUFFER, self.num_edges * 24, np_edges_co, bgl.GL_STATIC_DRAW)
del np_edges_co
edge_indices = np.repeat(np.arange(self.num_edges, dtype = 'f4'), 2)
edge_indices = bgl.Buffer(bgl.GL_FLOAT, edge_indices.shape, edge_indices)
self.vbo_edge_indices = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGenBuffers(1, self.vbo_edge_indices)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vbo_edge_indices[0])
bgl.glBufferData(bgl.GL_ARRAY_BUFFER, self.num_edges * 8, edge_indices, bgl.GL_STATIC_DRAW)
del edge_indices
else:
self.num_edges = 0
self.draw_edges = False
## Create EBO for Loose Verts ##
if mesh_arrays.looseverts is not None:
self.looseverts = mesh_arrays.looseverts
self.num_verts = len(mesh_arrays.looseverts)
np_lverts_co = mesh_arrays.verts_co[mesh_arrays.looseverts]
np_lverts_co = bgl.Buffer(bgl.GL_FLOAT, np_lverts_co.shape, np_lverts_co)
self.vbo_verts = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGenBuffers(1, self.vbo_verts)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vbo_verts[0])
bgl.glBufferData(bgl.GL_ARRAY_BUFFER, self.num_verts * 12, np_lverts_co, bgl.GL_STATIC_DRAW)
del np_lverts_co
looseverts_indices = np.arange(self.num_verts, dtype = 'f4')
looseverts_indices = bgl.Buffer(bgl.GL_FLOAT, looseverts_indices.shape, looseverts_indices)
self.vbo_looseverts_indices = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGenBuffers(1, self.vbo_looseverts_indices)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vbo_looseverts_indices[0])
bgl.glBufferData(bgl.GL_ARRAY_BUFFER, self.num_verts * 4, looseverts_indices, bgl.GL_STATIC_DRAW)
del looseverts_indices
else:
self.num_verts = 0
self.draw_verts = False
del mesh_arrays
bgl.glBindVertexArray(0)
def gpu_Indices_restore_state():
bgl.glBindVertexArray(0)
_restore_shader_state(PreviousGLState)
def _restore_shader_state(cls):
bgl.glUseProgram(cls.cur_program[0])
bgl.glBindVertexArray(cls.cur_vao[0])
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, cls.cur_vbo[0])
bgl.glBindBuffer(bgl.GL_ELEMENT_ARRAY_BUFFER, cls.cur_ebo[0])
def get_edge_co(self, index):
bgl.glBindVertexArray(self.vao[0])
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vbo_edges[0])
bgl.glGetBufferSubData(bgl.GL_ARRAY_BUFFER, index * 24, 24, self.edge_co)
bgl.glBindVertexArray(0)
return self.edge_co
def gpu_Indices_restore_state():
bgl.glDisableVertexAttribArray(GPU_Indices.attr_pos)
bgl.glDisableVertexAttribArray(GPU_Indices.attr_primitive_id)
bgl.glBindVertexArray(0)
_restore_shader_state(PreviousGLState)
def Draw(self, index_offset):
self.first_index = index_offset
bgl.glUseProgram(self.shader.program)
bgl.glBindVertexArray(self.vao[0])
bgl.glUniformMatrix4fv(self.unif_MV, 1, bgl.GL_TRUE, self.MV)
bgl.glUniformMatrix4fv(self.unif_MVP, 1, bgl.GL_TRUE, self.MVP)
if self.draw_tris:
bgl.glUniform1f(self.unif_offset,
float(index_offset)) # bgl has no glUniform1ui :\
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vbo_tris[0])
bgl.glEnableVertexAttribArray(self.attr_pos)
bgl.glVertexAttribPointer(self.attr_pos, 3, bgl.GL_FLOAT,
bgl.GL_FALSE, 0, self._NULL)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vbo_tri_indices[0])
bgl.glEnableVertexAttribArray(self.attr_primitive_id)
bgl.glVertexAttribPointer(self.attr_primitive_id, 1, bgl.GL_FLOAT,
bgl.GL_FALSE, 0, self._NULL)
bgl.glDrawArrays(bgl.GL_TRIANGLES, 0, self.num_tris * 3)
index_offset += self.num_tris
bgl.glDepthRange(-0.00005, 0.99995)
if self.draw_edges:
bgl.glUniform1f(self.unif_offset,
float(index_offset)) #TODO: use glUniform1ui
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vbo_edges[0])
bgl.glVertexAttribPointer(self.attr_pos, 3, bgl.GL_FLOAT,
bgl.GL_FALSE, 0, self._NULL)
bgl.glEnableVertexAttribArray(self.attr_pos)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vbo_edge_indices[0])
bgl.glVertexAttribPointer(self.attr_primitive_id, 1, bgl.GL_FLOAT,
bgl.GL_FALSE, 0, self._NULL)
bgl.glEnableVertexAttribArray(self.attr_primitive_id)
bgl.glDrawArrays(bgl.GL_LINES, 0, self.num_edges * 2)
index_offset += self.num_edges
if self.draw_verts:
bgl.glUniform1f(self.unif_offset,
float(index_offset)) #TODO: use glUniform1ui
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vbo_verts[0])
bgl.glVertexAttribPointer(self.attr_pos, 3, bgl.GL_FLOAT,
bgl.GL_FALSE, 0, self._NULL)
bgl.glEnableVertexAttribArray(self.attr_pos)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER,
self.vbo_looseverts_indices[0])
bgl.glVertexAttribPointer(self.attr_primitive_id, 1, bgl.GL_FLOAT,
bgl.GL_FALSE, 0, self._NULL)
bgl.glEnableVertexAttribArray(self.attr_primitive_id)
bgl.glDrawArrays(bgl.GL_POINTS, 0, self.num_verts)
bgl.glDepthRange(0.0, 1.0)
def __init__(self, obj, draw_tris, draw_edges, draw_verts):
GPU_Indices_Mesh.init_opengl()
self._NULL = gl_buffer_void_as_long(0)
self.MVP = bgl.Buffer(bgl.GL_FLOAT, (4, 4))
self.obj = obj
self.draw_tris = draw_tris
self.draw_edges = draw_edges
self.draw_verts = draw_verts
self.vbo = None
self.vbo_tris = None
self.vbo_edges = None
self.vbo_verts = None
## Create VAO ##
self.vao = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGenVertexArrays(1, self.vao)
bgl.glBindVertexArray(self.vao[0])
## Init Array ##
mesh_arrays = _Mesh_Arrays(obj, draw_tris, draw_edges, draw_verts)
## Create VBO for vertices ##
if mesh_arrays.verts_co is None:
self.draw_tris = False
self.draw_edges = False
self.draw_verts = False
return
if False: # Blender 2.8
self.vbo_len = len(mesh_arrays.verts_co)
self.vbo = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGenBuffers(1, self.vbo)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vbo[0])
verts_co = bgl.Buffer(bgl.GL_FLOAT, mesh_arrays.verts_co.shape,
mesh_arrays.verts_co)
bgl.glBufferData(bgl.GL_ARRAY_BUFFER, self.vbo_len * 12, verts_co,
bgl.GL_STATIC_DRAW)
## Create VBO for Tris ##
if mesh_arrays.tri_verts is not None:
self.tri_verts = mesh_arrays.tri_verts
self.num_tris = len(self.tri_verts)
np_tris_co = mesh_arrays.verts_co[mesh_arrays.tri_verts]
np_tris_co = bgl.Buffer(bgl.GL_FLOAT, np_tris_co.shape, np_tris_co)
self.vbo_tris = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGenBuffers(1, self.vbo_tris)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vbo_tris[0])
bgl.glBufferData(bgl.GL_ARRAY_BUFFER, self.num_tris * 36,
np_tris_co, bgl.GL_STATIC_DRAW)
del np_tris_co
tri_indices = np.repeat(np.arange(self.num_tris, dtype='f4'), 3)
tri_indices = bgl.Buffer(bgl.GL_FLOAT, tri_indices.shape,
tri_indices)
self.vbo_tri_indices = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGenBuffers(1, self.vbo_tri_indices)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vbo_tri_indices[0])
bgl.glBufferData(bgl.GL_ARRAY_BUFFER, self.num_tris * 12,
tri_indices, bgl.GL_STATIC_DRAW)
del tri_indices
else:
self.num_tris = 0
self.draw_tris = False
## Create VBO for Edges ##
if mesh_arrays.edge_verts is not None:
self.edge_verts = mesh_arrays.edge_verts
self.num_edges = len(self.edge_verts)
np_edges_co = mesh_arrays.verts_co[mesh_arrays.edge_verts]
np_edges_co = bgl.Buffer(bgl.GL_FLOAT, np_edges_co.shape,
np_edges_co)
self.vbo_edges = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGenBuffers(1, self.vbo_edges)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vbo_edges[0])
bgl.glBufferData(bgl.GL_ARRAY_BUFFER, self.num_edges * 24,
np_edges_co, bgl.GL_STATIC_DRAW)
del np_edges_co
edge_indices = np.repeat(np.arange(self.num_edges, dtype='f4'), 2)
edge_indices = bgl.Buffer(bgl.GL_FLOAT, edge_indices.shape,
edge_indices)
self.vbo_edge_indices = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGenBuffers(1, self.vbo_edge_indices)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vbo_edge_indices[0])
bgl.glBufferData(bgl.GL_ARRAY_BUFFER, self.num_edges * 8,
edge_indices, bgl.GL_STATIC_DRAW)
del edge_indices
else:
self.num_edges = 0
self.draw_edges = False
## Create EBO for Loose Verts ##
if mesh_arrays.looseverts is not None:
self.looseverts = mesh_arrays.looseverts
self.num_verts = len(mesh_arrays.looseverts)
np_lverts_co = mesh_arrays.verts_co[mesh_arrays.looseverts]
np_lverts_co = bgl.Buffer(bgl.GL_FLOAT, np_lverts_co.shape,
np_lverts_co)
self.vbo_verts = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGenBuffers(1, self.vbo_verts)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vbo_verts[0])
bgl.glBufferData(bgl.GL_ARRAY_BUFFER, self.num_verts * 12,
np_lverts_co, bgl.GL_STATIC_DRAW)
del np_lverts_co
looseverts_indices = np.arange(self.num_verts, dtype='f4')
looseverts_indices = bgl.Buffer(bgl.GL_FLOAT,
looseverts_indices.shape,
looseverts_indices)
self.vbo_looseverts_indices = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGenBuffers(1, self.vbo_looseverts_indices)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER,
self.vbo_looseverts_indices[0])
bgl.glBufferData(bgl.GL_ARRAY_BUFFER, self.num_verts * 4,
looseverts_indices, bgl.GL_STATIC_DRAW)
del looseverts_indices
else:
self.num_verts = 0
self.draw_verts = False
del mesh_arrays
bgl.glBindVertexArray(0)
def draw_view():
######################
######## BIND ########
######################
first_time = not bgl.glIsVertexArray(namespace['vao'][0])
if first_time:
namespace['uniform_set'] = False
# Unlike VBOs, a VAO has to be generated and deleted from within the draw callback in which it will be bound.
bgl.glGenVertexArrays(1, namespace['vao'])
bgl.glBindVertexArray(namespace['vao'][0])
float_byte_count = 4
# Attribute: "point", 3D float vector
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, namespace['vbo_point'][0])
bgl.glBufferData(bgl.GL_ARRAY_BUFFER,
len(namespace['data_point']) * float_byte_count,
namespace['data_point'], bgl.GL_DYNAMIC_DRAW)
bgl.glVertexAttribPointer(0, 3, bgl.GL_FLOAT, bgl.GL_FALSE, 0, None)
bgl.glEnableVertexAttribArray(0)
# Attribute: "color", 4D float vector
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, namespace['vbo_color'][0])
bgl.glBufferData(bgl.GL_ARRAY_BUFFER,
len(namespace['data_color']) * float_byte_count,
namespace['data_color'], bgl.GL_DYNAMIC_DRAW)
bgl.glVertexAttribPointer(1, 4, bgl.GL_FLOAT, bgl.GL_FALSE, 0, None)
bgl.glEnableVertexAttribArray(1)
bgl.glBindVertexArray(0)
######################
######## DRAW ########
######################
bgl.glEnable(bgl.GL_BLEND)
bgl.glUseProgram(namespace['shader_program'])
if not namespace['uniform_set']:
bgl.glUniformMatrix4fv(
namespace['perspective_uniform_location'],
1,
bgl.
GL_TRUE, # Matrices in Blender are row-major while matrices in OpenGL are column-major, so Blender's perspective matrix has to be transposed for OpenGL.
namespace['projection_matrix'])
# In this case I only want to update the uniform once, even though namespace['projection_matrix'] is being updated constantly.
namespace['uniform_set'] = True
bgl.glBindVertexArray(namespace['vao'][0])
bgl.glDrawArrays(bgl.GL_TRIANGLES, 0, 3)
bgl.glUseProgram(0)
bgl.glBindVertexArray(0)
bgl.glDisable(bgl.GL_BLEND)
def __init__(self, dimensions):
global urhoImage
# Generate dummy float image buffer
self.dimensions = dimensions
width, height = dimensions
print("NEW CUSTOMDRAWDATA with resolution %s:%s" % (width, height))
blank = Image.new('RGBA', (width, height), (100, 100, 100, 255))
blank.alpha_composite(urhoImage,
dest=(int(width / 2 - urhoImage.width / 2),
int(height / 2 - urhoImage.height / 2)))
#self.pixels = [255,0,0,255] * width * height
self.pixels = list(blank.tobytes())
self.pixels = bgl.Buffer(bgl.GL_BYTE, width * height * 4, self.pixels)
# Generate texture
self.updateTextureOnDraw = False
self.texture = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGenTextures(1, self.texture)
bgl.glActiveTexture(bgl.GL_TEXTURE0)
bgl.glBindTexture(bgl.GL_TEXTURE_2D, self.texture[0])
bgl.glTexImage2D(bgl.GL_TEXTURE_2D, 0, bgl.GL_RGBA, width, height, 0,
bgl.GL_RGBA, bgl.GL_UNSIGNED_BYTE, self.pixels)
bgl.glTexParameteri(bgl.GL_TEXTURE_2D, bgl.GL_TEXTURE_MIN_FILTER,
bgl.GL_LINEAR)
bgl.glTexParameteri(bgl.GL_TEXTURE_2D, bgl.GL_TEXTURE_MAG_FILTER,
bgl.GL_LINEAR)
bgl.glBindTexture(bgl.GL_TEXTURE_2D, 0)
# Bind shader that converts from scene linear to display space,
# use the scene's color management settings.
shader_program = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGetIntegerv(bgl.GL_CURRENT_PROGRAM, shader_program)
# Generate vertex array
self.vertex_array = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGenVertexArrays(1, self.vertex_array)
bgl.glBindVertexArray(self.vertex_array[0])
texturecoord_location = bgl.glGetAttribLocation(
shader_program[0], "texCoord")
position_location = bgl.glGetAttribLocation(shader_program[0], "pos")
bgl.glEnableVertexAttribArray(texturecoord_location)
bgl.glEnableVertexAttribArray(position_location)
# Generate geometry buffers for drawing textured quad
position = [0.0, 0.0, width, 0.0, width, height, 0.0, height]
position = bgl.Buffer(bgl.GL_FLOAT, len(position), position)
texcoord = [0.0, 1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 0.0]
texcoord = bgl.Buffer(bgl.GL_FLOAT, len(texcoord), texcoord)
self.vertex_buffer = bgl.Buffer(bgl.GL_INT, 2)
bgl.glGenBuffers(2, self.vertex_buffer)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vertex_buffer[0])
bgl.glBufferData(bgl.GL_ARRAY_BUFFER, 32, position, bgl.GL_STATIC_DRAW)
bgl.glVertexAttribPointer(position_location, 2, bgl.GL_FLOAT,
bgl.GL_FALSE, 0, None)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vertex_buffer[1])
bgl.glBufferData(bgl.GL_ARRAY_BUFFER, 32, texcoord, bgl.GL_STATIC_DRAW)
bgl.glVertexAttribPointer(texturecoord_location, 2, bgl.GL_FLOAT,
bgl.GL_FALSE, 0, None)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, 0)
bgl.glBindVertexArray(0)
def __init__(self, dimensions, perspective, region3d):
self.dimensions = dimensions
self.perspective = perspective
width = bpy.context.scene.tina_resolution_x
height = bpy.context.scene.tina_resolution_y
pixels = worker.render_main(width, height, region3d)
# Generate dummy image buffer
pixels = bgl.Buffer(bgl.GL_INT, width * height, pixels)
# Generate texture
self.texture = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGenTextures(1, self.texture)
bgl.glActiveTexture(bgl.GL_TEXTURE0)
bgl.glBindTexture(bgl.GL_TEXTURE_2D, self.texture[0])
bgl.glTexImage2D(bgl.GL_TEXTURE_2D, 0, bgl.GL_RGBA16F, width, height,
0, bgl.GL_RGBA, bgl.GL_UNSIGNED_INT_8_8_8_8_REV,
pixels)
bgl.glTexParameteri(bgl.GL_TEXTURE_2D, bgl.GL_TEXTURE_MIN_FILTER,
bgl.GL_LINEAR)
bgl.glTexParameteri(bgl.GL_TEXTURE_2D, bgl.GL_TEXTURE_MAG_FILTER,
bgl.GL_LINEAR)
bgl.glBindTexture(bgl.GL_TEXTURE_2D, 0)
bgl.glUseProgram(self.program)
# Generate vertex array
self.vertex_array = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGenVertexArrays(1, self.vertex_array)
bgl.glBindVertexArray(self.vertex_array[0])
texturecoord_location = bgl.glGetAttribLocation(
self.program, "texCoord")
position_location = bgl.glGetAttribLocation(self.program, "pos")
tex0_location = bgl.glGetAttribLocation(self.program, "tex0")
bgl.glUniform1i(tex0_location, 0)
bgl.glEnableVertexAttribArray(texturecoord_location)
bgl.glEnableVertexAttribArray(position_location)
# Generate geometry buffers for drawing textured quad
width, height = dimensions
position = [0.0, 0.0, width, 0.0, width, height, 0.0, height]
position = bgl.Buffer(bgl.GL_FLOAT, len(position), position)
texcoord = [0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 1.0]
texcoord = bgl.Buffer(bgl.GL_FLOAT, len(texcoord), texcoord)
self.vertex_buffer = bgl.Buffer(bgl.GL_INT, 2)
bgl.glGenBuffers(2, self.vertex_buffer)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vertex_buffer[0])
bgl.glBufferData(bgl.GL_ARRAY_BUFFER, 32, position, bgl.GL_STATIC_DRAW)
bgl.glVertexAttribPointer(position_location, 2, bgl.GL_FLOAT,
bgl.GL_FALSE, 0, None)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vertex_buffer[1])
bgl.glBufferData(bgl.GL_ARRAY_BUFFER, 32, texcoord, bgl.GL_STATIC_DRAW)
bgl.glVertexAttribPointer(texturecoord_location, 2, bgl.GL_FLOAT,
bgl.GL_FALSE, 0, None)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, 0)
bgl.glBindVertexArray(0)
def __init__(self, obj):
self._NULL = VoidBufValue(0)
self.MVP = bgl.Buffer(bgl.GL_FLOAT, (4, 4))
# self.obj = obj
self.first_index = 0
self.vbo_segs = None
self.vbo_segs_co = None
self.vbo_origin = None
self.vbo_origin_co = None
self.num_segs = 0
self.num_origins = 0
self._draw_segs = False
self._draw_origins = False
self.is_mesh = False
self.snap_mode = 0
self.vao = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGenVertexArrays(1, self.vao)
bgl.glBindVertexArray(self.vao[0])
_arrays = _Object_Arrays(obj)
if _arrays.segs_co:
self.vbo_segs_co = bgl.Buffer(bgl.GL_INT, 1)
self.num_segs = len(_arrays.segs_co)
bgl.glGenBuffers(1, self.vbo_segs_co)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vbo_segs_co[0])
bgl.glBufferData(bgl.GL_ARRAY_BUFFER, self.num_segs * 24, _arrays.segs_co, bgl.GL_STATIC_DRAW)
segs_indices = np.repeat(np.arange(self.num_segs, dtype='f4'), 2)
self.vbo_segs = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGenBuffers(1, self.vbo_segs)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vbo_segs[0])
bgl.glBufferData(
bgl.GL_ARRAY_BUFFER, self.num_segs * 8, np_array_as_bgl_Buffer(segs_indices), bgl.GL_STATIC_DRAW
)
del segs_indices
self._draw_segs = True
# objects origin
if _arrays.origin_co:
self.vbo_origin_co = bgl.Buffer(bgl.GL_INT, 1)
self.num_origins = len(_arrays.origin_co)
bgl.glGenBuffers(1, self.vbo_origin_co)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vbo_origin_co[0])
bgl.glBufferData(bgl.GL_ARRAY_BUFFER, self.num_origins * 12, _arrays.origin_co, bgl.GL_STATIC_DRAW)
orig_indices = np.arange(self.num_origins, dtype='f4')
self.vbo_origin = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGenBuffers(1, self.vbo_origin)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vbo_origin[0])
bgl.glBufferData(
bgl.GL_ARRAY_BUFFER, self.num_origins * 4, np_array_as_bgl_Buffer(orig_indices), bgl.GL_STATIC_DRAW
)
del orig_indices
self.is_mesh = _arrays.is_mesh
self._draw_origins = True
del _arrays
bgl.glBindVertexArray(0)
def get_tri_co(self, index):
bgl.glBindVertexArray(self.vao[0])
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vbo_tris[0])
bgl.glGetBufferSubData(bgl.GL_ARRAY_BUFFER, index * 36, 36, self.tri_co)
bgl.glBindVertexArray(0)
return self.tri_co
def _restore_shader_state(cls):
bgl.glUseProgram(cls.cur_program[0])
bgl.glBindVertexArray(cls.cur_vao[0])
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, cls.cur_vbo[0])
bgl.glBindBuffer(bgl.GL_ELEMENT_ARRAY_BUFFER, cls.cur_ebo[0])
def get_loosevert_co(self, index):
bgl.glBindVertexArray(self.vao[0])
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vbo_verts[0])
bgl.glGetBufferSubData(bgl.GL_ARRAY_BUFFER, index * 12, 12, self.vert_co)
bgl.glBindVertexArray(0)
return self.vert_co
def __init__(self, viewport_dimensions, image_dimensions, pixels):
self.log = logging.getLogger('blospray')
self.log.info('CustomDrawData.__init__(viewport_dimensions=%s, image_dimensions=%s, fbpixels=%s) [%s]' % \
(viewport_dimensions, image_dimensions, pixels.shape, self))
viewport_width, viewport_height = self.viewport_dimensions = viewport_dimensions
image_width, image_height = self.image_dimensions = image_dimensions
assert pixels is not None
pixels = bgl.Buffer(bgl.GL_FLOAT, image_width * image_height * 4,
pixels)
# Generate texture
self.texture = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGenTextures(1, self.texture)
bgl.glActiveTexture(bgl.GL_TEXTURE0)
bgl.glBindTexture(bgl.GL_TEXTURE_2D, self.texture[0])
bgl.glTexImage2D(bgl.GL_TEXTURE_2D, 0, bgl.GL_RGBA16F, image_width,
image_height, 0, bgl.GL_RGBA, bgl.GL_FLOAT, pixels)
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.glBindTexture(bgl.GL_TEXTURE_2D, 0)
# Bind shader that converts from scene linear to display space,
# use the scene's color management settings.
shader_program = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGetIntegerv(bgl.GL_CURRENT_PROGRAM, shader_program)
# Generate vertex array
self.vertex_array = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGenVertexArrays(1, self.vertex_array)
bgl.glBindVertexArray(self.vertex_array[0])
texturecoord_location = bgl.glGetAttribLocation(
shader_program[0], "texCoord")
position_location = bgl.glGetAttribLocation(shader_program[0], "pos")
bgl.glEnableVertexAttribArray(texturecoord_location)
bgl.glEnableVertexAttribArray(position_location)
# Generate geometry buffers for drawing textured quad
position = [
0.0, 0.0, viewport_width, 0.0, viewport_width, viewport_height,
0.0, viewport_height
]
position = bgl.Buffer(bgl.GL_FLOAT, len(position), position)
texcoord = [0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 1.0]
texcoord = bgl.Buffer(bgl.GL_FLOAT, len(texcoord), texcoord)
self.vertex_buffer = bgl.Buffer(bgl.GL_INT, 2)
bgl.glGenBuffers(2, self.vertex_buffer)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vertex_buffer[0])
bgl.glBufferData(bgl.GL_ARRAY_BUFFER, 32, position, bgl.GL_STATIC_DRAW)
bgl.glVertexAttribPointer(position_location, 2, bgl.GL_FLOAT,
bgl.GL_FALSE, 0, None)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vertex_buffer[1])
bgl.glBufferData(bgl.GL_ARRAY_BUFFER, 32, texcoord, bgl.GL_STATIC_DRAW)
bgl.glVertexAttribPointer(texturecoord_location, 2, bgl.GL_FLOAT,
bgl.GL_FALSE, 0, None)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, 0)
bgl.glBindVertexArray(0)
def gpu_Indices_restore_state():
bgl.glBindVertexArray(0)
_restore_shader_state(PreviousGLState)
def try_initialize(self):
if self.initialized:
return
self.initialized = True
resx, resy = self.resx, self.resy
width, height = self.dimensions
self.pixels = bgl.Buffer(bgl.GL_FLOAT, resx * resy * 3, self.pixels_np)
# Generate texture
self.texture = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGenTextures(1, self.texture)
bgl.glActiveTexture(bgl.GL_TEXTURE0)
bgl.glBindTexture(bgl.GL_TEXTURE_2D, self.texture[0])
bgl.glTexImage2D(bgl.GL_TEXTURE_2D, 0, bgl.GL_RGB16F, resx, resy, 0,
bgl.GL_RGB, bgl.GL_FLOAT, self.pixels)
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.glTexParameteri(bgl.GL_TEXTURE_2D, bgl.GL_TEXTURE_WRAP_S,
bgl.GL_CLAMP_TO_EDGE)
bgl.glTexParameteri(bgl.GL_TEXTURE_2D, bgl.GL_TEXTURE_WRAP_T,
bgl.GL_CLAMP_TO_EDGE)
bgl.glBindTexture(bgl.GL_TEXTURE_2D, 0)
# Bind shader that converts from scene linear to display space,
# use the scene's color management settings.
shader_program = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGetIntegerv(bgl.GL_CURRENT_PROGRAM, shader_program)
# Generate vertex array
self.vertex_array = bgl.Buffer(bgl.GL_INT, 1)
bgl.glGenVertexArrays(1, self.vertex_array)
bgl.glBindVertexArray(self.vertex_array[0])
texturecoord_location = bgl.glGetAttribLocation(
shader_program[0], "texCoord")
position_location = bgl.glGetAttribLocation(shader_program[0], "pos")
bgl.glEnableVertexAttribArray(texturecoord_location)
bgl.glEnableVertexAttribArray(position_location)
# Generate geometry buffers for drawing textured quad
position = [0.0, 0.0, width, 0.0, width, height, 0.0, height]
position = bgl.Buffer(bgl.GL_FLOAT, len(position), position)
texcoord = [0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 1.0]
texcoord = bgl.Buffer(bgl.GL_FLOAT, len(texcoord), texcoord)
self.vertex_buffer = bgl.Buffer(bgl.GL_INT, 2)
bgl.glGenBuffers(2, self.vertex_buffer)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vertex_buffer[0])
bgl.glBufferData(bgl.GL_ARRAY_BUFFER, 32, position, bgl.GL_STATIC_DRAW)
bgl.glVertexAttribPointer(position_location, 2, bgl.GL_FLOAT,
bgl.GL_FALSE, 0, None)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, self.vertex_buffer[1])
bgl.glBufferData(bgl.GL_ARRAY_BUFFER, 32, texcoord, bgl.GL_STATIC_DRAW)
bgl.glVertexAttribPointer(texturecoord_location, 2, bgl.GL_FLOAT,
bgl.GL_FALSE, 0, None)
bgl.glBindBuffer(bgl.GL_ARRAY_BUFFER, 0)
bgl.glBindVertexArray(0)
