Python OpenGL.GL.glViewport() Examples
The following are 21
code examples of OpenGL.GL.glViewport().
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Example #1
| Source File: hellovr_glfw.py From pyopenvr with BSD 3-Clause "New" or "Revised" License | 6 votes |
|
def render_companion_window(self):
GL.glDisable(GL.GL_DEPTH_TEST)
GL.glViewport(0, 0, self.companion_width, self.companion_height)
GL.glBindVertexArray(self.companion_window_vao)
GL.glUseProgram(self.companion_window_program)
# render left eye (first half of index array)
i_size = sizeof(c_uint16)
count = int(self.companion_window_index_size / 2)
GL.glBindTexture(GL.GL_TEXTURE_2D, self.left_eye_desc.resolve_texture_id)
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)
GL.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MAG_FILTER, GL.GL_LINEAR)
GL.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MIN_FILTER, GL.GL_LINEAR)
GL.glDrawElements(GL.GL_TRIANGLES, count, GL.GL_UNSIGNED_SHORT, cast(0 * i_size, c_void_p))
# render right eye (second half of index array)
GL.glBindTexture(GL.GL_TEXTURE_2D, self.right_eye_desc.resolve_texture_id)
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)
GL.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MAG_FILTER, GL.GL_LINEAR)
GL.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MIN_FILTER, GL.GL_LINEAR)
GL.glDrawElements(GL.GL_TRIANGLES, count, GL.GL_UNSIGNED_SHORT, cast(count * i_size, c_void_p))
GL.glBindVertexArray(0)
GL.glUseProgram(0)
Example #2
| Source File: widget.py From MCEdit-Unified with ISC License | 5 votes |
|
def gl_draw_all(self, root, offset):
if not self.visible:
return
#from OpenGL import GL, GLU
rect = self.rect.move(offset)
if self.is_gl_container:
self.gl_draw_self(root, offset)
suboffset = rect.topleft
for subwidget in self.subwidgets:
subwidget.gl_draw_all(root, suboffset)
else:
try:
surface = Surface(self.size, SRCALPHA)
except:
#size error?
return
self.draw_all(surface)
data = image.tostring(surface, 'RGBA', 1)
w, h = root.size
GL.glViewport(0, 0, w, h)
GL.glMatrixMode(GL.GL_PROJECTION)
GL.glLoadIdentity()
GLU.gluOrtho2D(0, w, 0, h)
GL.glMatrixMode(GL.GL_MODELVIEW)
GL.glLoadIdentity()
GL.glRasterPos2i(max(rect.left, 0), max(h - rect.bottom, 0))
GL.glPushAttrib(GL.GL_COLOR_BUFFER_BIT)
GL.glEnable(GL.GL_BLEND)
GL.glBlendFunc(GL.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA)
GL.glDrawPixels(self.width, self.height,
GL.GL_RGBA, GL.GL_UNSIGNED_BYTE, fromstring(data, dtype='uint8'))
GL.glPopAttrib()
GL.glFlush()
Example #3
| Source File: openglwidgets.py From MCEdit-Unified with ISC License | 5 votes |
|
def gl_draw_self(self, root, offset):
rect = self.rect.move(offset)
# GL_CLIENT_ALL_ATTRIB_BITS is borked: defined as -1 but
# glPushClientAttrib insists on an unsigned long.
#GL.glPushClientAttrib(0xffffffff)
#GL.glPushAttrib(GL.GL_ALL_ATTRIB_BITS)
GL.glViewport(rect.left, root.height - rect.bottom, rect.width, rect.height)
self.gl_draw_viewport()
#GL.glPopAttrib()
#GL.glPopClientAttrib()
Example #4
| Source File: hellovr_glfw.py From pyopenvr with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
def render_stereo_targets(self):
GL.glClearColor(0, 0, 0, 1)
GL.glEnable(GL.GL_MULTISAMPLE)
# Left Eye
GL.glBindFramebuffer(GL.GL_FRAMEBUFFER, self.left_eye_desc.render_framebuffer_id)
GL.glViewport(0, 0, self.render_width, self.render_height)
self.render_scene(openvr.Eye_Left)
GL.glBindFramebuffer(GL.GL_FRAMEBUFFER, 0)
GL.glDisable(GL.GL_MULTISAMPLE)
GL.glBindFramebuffer(GL.GL_READ_FRAMEBUFFER, self.left_eye_desc.render_framebuffer_id)
GL.glBindFramebuffer(GL.GL_DRAW_FRAMEBUFFER, self.left_eye_desc.resolve_framebuffer_id)
GL.glBlitFramebuffer(
0, 0, self.render_width, self.render_height,
0, 0, self.render_width, self.render_height,
GL.GL_COLOR_BUFFER_BIT, GL.GL_LINEAR)
GL.glBindFramebuffer(GL.GL_READ_FRAMEBUFFER, 0)
GL.glBindFramebuffer(GL.GL_DRAW_FRAMEBUFFER, 0)
# Right Eye
GL.glEnable(GL.GL_MULTISAMPLE)
GL.glBindFramebuffer(GL.GL_FRAMEBUFFER, self.right_eye_desc.render_framebuffer_id)
GL.glViewport(0, 0, self.render_width, self.render_height)
self.render_scene(openvr.Eye_Right)
GL.glBindFramebuffer(GL.GL_FRAMEBUFFER, 0)
GL.glDisable(GL.GL_MULTISAMPLE)
GL.glBindFramebuffer(GL.GL_READ_FRAMEBUFFER, self.right_eye_desc.render_framebuffer_id)
GL.glBindFramebuffer(GL.GL_DRAW_FRAMEBUFFER, self.right_eye_desc.resolve_framebuffer_id)
GL.glBlitFramebuffer(
0, 0, self.render_width, self.render_height,
0, 0, self.render_width, self.render_height,
GL.GL_COLOR_BUFFER_BIT, GL.GL_LINEAR)
GL.glBindFramebuffer(GL.GL_READ_FRAMEBUFFER, 0)
GL.glBindFramebuffer(GL.GL_DRAW_FRAMEBUFFER, 0)
Example #5
| Source File: hypercube.py From spectral with MIT License | 5 votes |
|
def resize(self, width, height):
"""Reshape the OpenGL viewport based on dimensions of the window."""
import OpenGL.GL as gl
import OpenGL.GLU as glu
self.size = (width, height)
gl.glViewport(0, 0, width, height)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
glu.gluPerspective(self.fovy, float(width) / height,
self.znear, self.zfar)
gl.glMatrixMode(gl.GL_MODELVIEW)
gl.glLoadIdentity()
Example #6
| Source File: ndwindow.py From spectral with MIT License | 5 votes |
|
def resize(self, width, height):
"""Reshape the OpenGL viewport based on dimensions of the window."""
import OpenGL.GL as gl
import OpenGL.GLU as glu
self.size = (width, height)
gl.glViewport(0, 0, width, height)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
glu.gluPerspective(self.fovy, float(width) / height,
self.znear, self.zfar)
gl.glMatrixMode(gl.GL_MODELVIEW)
gl.glLoadIdentity()
Example #7
| Source File: openglwidgets.py From GDMC with ISC License | 5 votes |
|
def gl_draw_self(self, root, offset):
rect = self.rect.move(offset)
# GL_CLIENT_ALL_ATTRIB_BITS is borked: defined as -1 but
# glPushClientAttrib insists on an unsigned long.
#GL.glPushClientAttrib(0xffffffff)
#GL.glPushAttrib(GL.GL_ALL_ATTRIB_BITS)
GL.glViewport(rect.left, root.height - rect.bottom, rect.width, rect.height)
self.gl_draw_viewport()
#GL.glPopAttrib()
#GL.glPopClientAttrib()
Example #8
| Source File: widget.py From GDMC with ISC License | 5 votes |
|
def gl_draw_all(self, root, offset):
if not self.visible:
return
from OpenGL import GL, GLU
rect = self.rect.move(offset)
if self.is_gl_container:
self.gl_draw_self(root, offset)
suboffset = rect.topleft
for subwidget in self.subwidgets:
subwidget.gl_draw_all(root, suboffset)
else:
try:
surface = Surface(self.size, SRCALPHA)
except Exception:
#size error?
return
self.draw_all(surface)
data = image.tostring(surface, 'RGBA', 1)
w, h = root.size
GL.glViewport(0, 0, w, h)
GL.glMatrixMode(GL.GL_PROJECTION)
GL.glLoadIdentity()
GLU.gluOrtho2D(0, w, 0, h)
GL.glMatrixMode(GL.GL_MODELVIEW)
GL.glLoadIdentity()
GL.glRasterPos2i(max(rect.left, 0), max(h - rect.bottom, 0))
GL.glPushAttrib(GL.GL_COLOR_BUFFER_BIT)
GL.glEnable(GL.GL_BLEND)
GL.glBlendFunc(GL.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA)
GL.glDrawPixels(self.width, self.height,
GL.GL_RGBA, GL.GL_UNSIGNED_BYTE, fromstring(data, dtype='uint8'))
GL.glPopAttrib()
GL.glFlush()
Example #9
| Source File: fullscreen_quad.py From dm_control with Apache License 2.0 | 5 votes |
|
def render(self, pixmap, viewport_shape):
"""Renders the pixmap on a fullscreen quad.
Args:
pixmap: A 3D numpy array of bytes (np.uint8), with dimensions
(width, height, 3).
viewport_shape: A tuple of two elements, (width, height).
"""
GL.glClear(GL.GL_COLOR_BUFFER_BIT)
GL.glViewport(0, 0, *viewport_shape)
GL.glUseProgram(self._shader)
GL.glActiveTexture(GL.GL_TEXTURE0)
GL.glBindTexture(GL.GL_TEXTURE_2D, self._texture)
GL.glPixelStorei(GL.GL_UNPACK_ALIGNMENT, 1)
GL.glTexImage2D(GL.GL_TEXTURE_2D, 0, GL.GL_RGB, pixmap.shape[1],
pixmap.shape[0], 0, GL.GL_RGB, GL.GL_UNSIGNED_BYTE,
pixmap)
GL.glUniform1i(self._var_texture_sampler, 0)
GL.glDrawArrays(GL.GL_TRIANGLE_STRIP, 0, 4)
Example #10
| Source File: opengl_test.py From PFramer with GNU General Public License v3.0 | 5 votes |
|
def resizeGL(self, width, height):
side = min(width, height)
GL.glViewport((width - side) / 2, (height - side) / 2, side, side)
GL.glMatrixMode(GL.GL_PROJECTION)
GL.glLoadIdentity()
GL.glOrtho(-0.5, +0.5, -0.5, +0.5, 4.0, 15.0)
GL.glMatrixMode(GL.GL_MODELVIEW)
Example #11
| Source File: gui-glut.py From filmkodi with Apache License 2.0 | 5 votes |
|
def resize(width,height):
gl.glViewport(0, 0, width, height+4)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
gl.glOrtho(0, width, 0, height+4, -1, 1)
gl.glMatrixMode(gl.GL_MODELVIEW)
Example #12
| Source File: glutils.py From MCEdit-Unified with ISC License | 4 votes |
|
def __init__(self, width, height, drawFunc):
tex = GL.glGenTextures(1)
GL.glBindTexture(GL.GL_TEXTURE_2D, tex)
GL.glTexParameter(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MIN_FILTER, GL.GL_NEAREST)
GL.glTexParameter(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MAG_FILTER, GL.GL_NEAREST)
GL.glTexImage2D(GL.GL_TEXTURE_2D, 0, GL.GL_RGBA8, width, height, 0, GL.GL_RGBA, GL.GL_UNSIGNED_BYTE, None)
self.enabled = False
self._texID = tex
if bool(FBO.glGenFramebuffers) and "Intel" not in GL.glGetString(GL.GL_VENDOR):
buf = FBO.glGenFramebuffers(1)
depthbuffer = FBO.glGenRenderbuffers(1)
FBO.glBindFramebuffer(FBO.GL_FRAMEBUFFER, buf)
FBO.glBindRenderbuffer(FBO.GL_RENDERBUFFER, depthbuffer)
FBO.glRenderbufferStorage(FBO.GL_RENDERBUFFER, GL.GL_DEPTH_COMPONENT, width, height)
FBO.glFramebufferRenderbuffer(FBO.GL_FRAMEBUFFER, FBO.GL_DEPTH_ATTACHMENT, FBO.GL_RENDERBUFFER, depthbuffer)
FBO.glFramebufferTexture2D(FBO.GL_FRAMEBUFFER, FBO.GL_COLOR_ATTACHMENT0, GL.GL_TEXTURE_2D, tex, 0)
status = FBO.glCheckFramebufferStatus(FBO.GL_FRAMEBUFFER)
if status != FBO.GL_FRAMEBUFFER_COMPLETE:
print "glCheckFramebufferStatus", status
self.enabled = False
return
FBO.glBindFramebuffer(FBO.GL_FRAMEBUFFER, buf)
with gl.glPushAttrib(GL.GL_VIEWPORT_BIT):
GL.glViewport(0, 0, width, height)
drawFunc()
FBO.glBindFramebuffer(FBO.GL_FRAMEBUFFER, 0)
FBO.glDeleteFramebuffers(1, [buf])
FBO.glDeleteRenderbuffers(1, [depthbuffer])
self.enabled = True
else:
GL.glReadBuffer(GL.GL_BACK)
GL.glPushAttrib(
GL.GL_VIEWPORT_BIT | GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT | GL.GL_STENCIL_TEST | GL.GL_STENCIL_BUFFER_BIT)
GL.glDisable(GL.GL_STENCIL_TEST)
GL.glViewport(0, 0, width, height)
GL.glScissor(0, 0, width, height)
with gl.glEnable(GL.GL_SCISSOR_TEST):
drawFunc()
GL.glBindTexture(GL.GL_TEXTURE_2D, tex)
GL.glReadBuffer(GL.GL_BACK)
GL.glCopyTexSubImage2D(GL.GL_TEXTURE_2D, 0, 0, 0, 0, 0, width, height)
GL.glPopAttrib()
Example #13
| Source File: PlotCurveItem.py From qgisSpaceSyntaxToolkit with GNU General Public License v3.0 | 4 votes |
|
def paintGL(self, p, opt, widget):
p.beginNativePainting()
import OpenGL.GL as gl
## set clipping viewport
view = self.getViewBox()
if view is not None:
rect = view.mapRectToItem(self, view.boundingRect())
#gl.glViewport(int(rect.x()), int(rect.y()), int(rect.width()), int(rect.height()))
#gl.glTranslate(-rect.x(), -rect.y(), 0)
gl.glEnable(gl.GL_STENCIL_TEST)
gl.glColorMask(gl.GL_FALSE, gl.GL_FALSE, gl.GL_FALSE, gl.GL_FALSE) # disable drawing to frame buffer
gl.glDepthMask(gl.GL_FALSE) # disable drawing to depth buffer
gl.glStencilFunc(gl.GL_NEVER, 1, 0xFF)
gl.glStencilOp(gl.GL_REPLACE, gl.GL_KEEP, gl.GL_KEEP)
## draw stencil pattern
gl.glStencilMask(0xFF)
gl.glClear(gl.GL_STENCIL_BUFFER_BIT)
gl.glBegin(gl.GL_TRIANGLES)
gl.glVertex2f(rect.x(), rect.y())
gl.glVertex2f(rect.x()+rect.width(), rect.y())
gl.glVertex2f(rect.x(), rect.y()+rect.height())
gl.glVertex2f(rect.x()+rect.width(), rect.y()+rect.height())
gl.glVertex2f(rect.x()+rect.width(), rect.y())
gl.glVertex2f(rect.x(), rect.y()+rect.height())
gl.glEnd()
gl.glColorMask(gl.GL_TRUE, gl.GL_TRUE, gl.GL_TRUE, gl.GL_TRUE)
gl.glDepthMask(gl.GL_TRUE)
gl.glStencilMask(0x00)
gl.glStencilFunc(gl.GL_EQUAL, 1, 0xFF)
try:
x, y = self.getData()
pos = np.empty((len(x), 2))
pos[:,0] = x
pos[:,1] = y
gl.glEnableClientState(gl.GL_VERTEX_ARRAY)
try:
gl.glVertexPointerf(pos)
pen = fn.mkPen(self.opts['pen'])
color = pen.color()
gl.glColor4f(color.red()/255., color.green()/255., color.blue()/255., color.alpha()/255.)
width = pen.width()
if pen.isCosmetic() and width < 1:
width = 1
gl.glPointSize(width)
gl.glEnable(gl.GL_LINE_SMOOTH)
gl.glEnable(gl.GL_BLEND)
gl.glBlendFunc(gl.GL_SRC_ALPHA, gl.GL_ONE_MINUS_SRC_ALPHA)
gl.glHint(gl.GL_LINE_SMOOTH_HINT, gl.GL_NICEST)
gl.glDrawArrays(gl.GL_LINE_STRIP, 0, pos.size / pos.shape[-1])
finally:
gl.glDisableClientState(gl.GL_VERTEX_ARRAY)
finally:
p.endNativePainting()
Example #14
| Source File: PlotCurveItem.py From soapy with GNU General Public License v3.0 | 4 votes |
|
def paintGL(self, p, opt, widget):
p.beginNativePainting()
import OpenGL.GL as gl
## set clipping viewport
view = self.getViewBox()
if view is not None:
rect = view.mapRectToItem(self, view.boundingRect())
#gl.glViewport(int(rect.x()), int(rect.y()), int(rect.width()), int(rect.height()))
#gl.glTranslate(-rect.x(), -rect.y(), 0)
gl.glEnable(gl.GL_STENCIL_TEST)
gl.glColorMask(gl.GL_FALSE, gl.GL_FALSE, gl.GL_FALSE, gl.GL_FALSE) # disable drawing to frame buffer
gl.glDepthMask(gl.GL_FALSE) # disable drawing to depth buffer
gl.glStencilFunc(gl.GL_NEVER, 1, 0xFF)
gl.glStencilOp(gl.GL_REPLACE, gl.GL_KEEP, gl.GL_KEEP)
## draw stencil pattern
gl.glStencilMask(0xFF)
gl.glClear(gl.GL_STENCIL_BUFFER_BIT)
gl.glBegin(gl.GL_TRIANGLES)
gl.glVertex2f(rect.x(), rect.y())
gl.glVertex2f(rect.x()+rect.width(), rect.y())
gl.glVertex2f(rect.x(), rect.y()+rect.height())
gl.glVertex2f(rect.x()+rect.width(), rect.y()+rect.height())
gl.glVertex2f(rect.x()+rect.width(), rect.y())
gl.glVertex2f(rect.x(), rect.y()+rect.height())
gl.glEnd()
gl.glColorMask(gl.GL_TRUE, gl.GL_TRUE, gl.GL_TRUE, gl.GL_TRUE)
gl.glDepthMask(gl.GL_TRUE)
gl.glStencilMask(0x00)
gl.glStencilFunc(gl.GL_EQUAL, 1, 0xFF)
try:
x, y = self.getData()
pos = np.empty((len(x), 2))
pos[:,0] = x
pos[:,1] = y
gl.glEnableClientState(gl.GL_VERTEX_ARRAY)
try:
gl.glVertexPointerf(pos)
pen = fn.mkPen(self.opts['pen'])
color = pen.color()
gl.glColor4f(color.red()/255., color.green()/255., color.blue()/255., color.alpha()/255.)
width = pen.width()
if pen.isCosmetic() and width < 1:
width = 1
gl.glPointSize(width)
gl.glEnable(gl.GL_LINE_SMOOTH)
gl.glEnable(gl.GL_BLEND)
gl.glBlendFunc(gl.GL_SRC_ALPHA, gl.GL_ONE_MINUS_SRC_ALPHA)
gl.glHint(gl.GL_LINE_SMOOTH_HINT, gl.GL_NICEST)
gl.glDrawArrays(gl.GL_LINE_STRIP, 0, pos.size / pos.shape[-1])
finally:
gl.glDisableClientState(gl.GL_VERTEX_ARRAY)
finally:
p.endNativePainting()
Example #15
| Source File: blipdriver.py From bluesky with GNU General Public License v3.0 | 4 votes |
|
def paintGL(self):
"""Paint the scene."""
# pass if the framebuffer isn't complete yet or if not initialized
if not (gl.glCheckFramebufferStatus(gl.GL_FRAMEBUFFER) == gl.GL_FRAMEBUFFER_COMPLETE and self.isVisible() and self.initialized):
return
gl.glClearColor(0, 0, 0, 0)
gl.glClear(gl.GL_COLOR_BUFFER_BIT)
# Set the viewport and clear the framebuffer
# --- Draw the ND in its viewport ----
gl.glViewport(*self.ndviewport)
self.color_shader.use()
self.arcs.draw()
self.ownship.draw()
self.mask.draw()
self.edge.draw()
self.ticks.draw()
# Select the text shader
self.text_shader.use()
self.font.use()
self.font.set_block_size((0, 0))
self.globaldata.set_vertex_modifiers(VERTEX_IS_GLXY, True)
self.ticklbls.draw()
self.globaldata.set_vertex_modifiers(VERTEX_IS_GLXY, False)
self.spdlabel_text.draw()
self.spdlabel_val.draw()
# --- Draw the MCP in its viewport ---
gl.glViewport(*self.mcpviewport)
self.mcp_tex_shader.use()
gl.glActiveTexture(gl.GL_TEXTURE0 + 0)
gl.glBindTexture(gl.GL_TEXTURE_2D, self.mcp_texture)
self.mcp.draw()
gl.glBindTexture(gl.GL_TEXTURE_2D, self.btn_tex)
self.btn_leds.draw()
if self.updownpos is not None:
self.mcp_col_shader.use()
gl.glVertexAttrib2f(2, *self.updownpos)
self.updown.draw()
gl.glVertexAttrib2f(2, 0.0, 0.0)
self.mcp_txt_shader.use()
gl.glActiveTexture(gl.GL_TEXTURE0 + 0)
gl.glBindTexture(gl.GL_TEXTURE_2D_ARRAY, self.lcd_tex)
self.mcp_text.draw()
# Unbind everything
RenderObject.unbind_all()
gl.glUseProgram(0)
Example #16
| Source File: glutils.py From GDMC with ISC License | 4 votes |
|
def __init__(self, width, height, drawFunc):
tex = GL.glGenTextures(1)
GL.glBindTexture(GL.GL_TEXTURE_2D, tex)
GL.glTexParameter(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MIN_FILTER, GL.GL_NEAREST)
GL.glTexParameter(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MAG_FILTER, GL.GL_NEAREST)
GL.glTexImage2D(GL.GL_TEXTURE_2D, 0, GL.GL_RGBA8, width, height, 0, GL.GL_RGBA, GL.GL_UNSIGNED_BYTE, None)
self.enabled = False
self._texID = tex
if bool(FBO.glGenFramebuffers) and "Intel" not in GL.glGetString(GL.GL_VENDOR):
buf = FBO.glGenFramebuffers(1)
depthbuffer = FBO.glGenRenderbuffers(1)
FBO.glBindFramebuffer(FBO.GL_FRAMEBUFFER, buf)
FBO.glBindRenderbuffer(FBO.GL_RENDERBUFFER, depthbuffer)
FBO.glRenderbufferStorage(FBO.GL_RENDERBUFFER, GL.GL_DEPTH_COMPONENT, width, height)
FBO.glFramebufferRenderbuffer(FBO.GL_FRAMEBUFFER, FBO.GL_DEPTH_ATTACHMENT, FBO.GL_RENDERBUFFER, depthbuffer)
FBO.glFramebufferTexture2D(FBO.GL_FRAMEBUFFER, FBO.GL_COLOR_ATTACHMENT0, GL.GL_TEXTURE_2D, tex, 0)
status = FBO.glCheckFramebufferStatus(FBO.GL_FRAMEBUFFER)
if status != FBO.GL_FRAMEBUFFER_COMPLETE:
print "glCheckFramebufferStatus", status
self.enabled = False
return
FBO.glBindFramebuffer(FBO.GL_FRAMEBUFFER, buf)
with gl.glPushAttrib(GL.GL_VIEWPORT_BIT):
GL.glViewport(0, 0, width, height)
drawFunc()
FBO.glBindFramebuffer(FBO.GL_FRAMEBUFFER, 0)
FBO.glDeleteFramebuffers(1, [buf])
FBO.glDeleteRenderbuffers(1, [depthbuffer])
self.enabled = True
else:
GL.glReadBuffer(GL.GL_BACK)
GL.glPushAttrib(
GL.GL_VIEWPORT_BIT | GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT | GL.GL_STENCIL_TEST | GL.GL_STENCIL_BUFFER_BIT)
GL.glDisable(GL.GL_STENCIL_TEST)
GL.glViewport(0, 0, width, height)
GL.glScissor(0, 0, width, height)
with gl.glEnable(GL.GL_SCISSOR_TEST):
drawFunc()
GL.glBindTexture(GL.GL_TEXTURE_2D, tex)
GL.glReadBuffer(GL.GL_BACK)
GL.glCopyTexSubImage2D(GL.GL_TEXTURE_2D, 0, 0, 0, 0, 0, width, height)
GL.glPopAttrib()
Example #17
| Source File: controller.py From renpy-shader with MIT License | 4 votes |
|
def renderImage(self, context):
width, height = self.getSize()
gl.glViewport(0, 0, width, height)
gl.glDisable(gl.GL_SCISSOR_TEST)
gl.glEnable(gl.GL_ALPHA_TEST)
gl.glAlphaFunc(gl.GL_GREATER, 0)
gl.glEnable(gl.GL_BLEND)
gl.glBlendFunc(gl.GL_SRC_ALPHA, gl.GL_ONE_MINUS_SRC_ALPHA)
self.frameBuffer.bind()
self.renderer.render(context)
self.frameBuffer.unbind()
#TODO Restore blend state. Any other states that need restoring...?
gl.glBlendFunc(gl.GL_ONE, gl.GL_ONE_MINUS_SRC_ALPHA)
Example #18
| Source File: PlotCurveItem.py From tf-pose with Apache License 2.0 | 4 votes |
|
def paintGL(self, p, opt, widget):
p.beginNativePainting()
import OpenGL.GL as gl
## set clipping viewport
view = self.getViewBox()
if view is not None:
rect = view.mapRectToItem(self, view.boundingRect())
#gl.glViewport(int(rect.x()), int(rect.y()), int(rect.width()), int(rect.height()))
#gl.glTranslate(-rect.x(), -rect.y(), 0)
gl.glEnable(gl.GL_STENCIL_TEST)
gl.glColorMask(gl.GL_FALSE, gl.GL_FALSE, gl.GL_FALSE, gl.GL_FALSE) # disable drawing to frame buffer
gl.glDepthMask(gl.GL_FALSE) # disable drawing to depth buffer
gl.glStencilFunc(gl.GL_NEVER, 1, 0xFF)
gl.glStencilOp(gl.GL_REPLACE, gl.GL_KEEP, gl.GL_KEEP)
## draw stencil pattern
gl.glStencilMask(0xFF)
gl.glClear(gl.GL_STENCIL_BUFFER_BIT)
gl.glBegin(gl.GL_TRIANGLES)
gl.glVertex2f(rect.x(), rect.y())
gl.glVertex2f(rect.x()+rect.width(), rect.y())
gl.glVertex2f(rect.x(), rect.y()+rect.height())
gl.glVertex2f(rect.x()+rect.width(), rect.y()+rect.height())
gl.glVertex2f(rect.x()+rect.width(), rect.y())
gl.glVertex2f(rect.x(), rect.y()+rect.height())
gl.glEnd()
gl.glColorMask(gl.GL_TRUE, gl.GL_TRUE, gl.GL_TRUE, gl.GL_TRUE)
gl.glDepthMask(gl.GL_TRUE)
gl.glStencilMask(0x00)
gl.glStencilFunc(gl.GL_EQUAL, 1, 0xFF)
try:
x, y = self.getData()
pos = np.empty((len(x), 2))
pos[:,0] = x
pos[:,1] = y
gl.glEnableClientState(gl.GL_VERTEX_ARRAY)
try:
gl.glVertexPointerf(pos)
pen = fn.mkPen(self.opts['pen'])
color = pen.color()
gl.glColor4f(color.red()/255., color.green()/255., color.blue()/255., color.alpha()/255.)
width = pen.width()
if pen.isCosmetic() and width < 1:
width = 1
gl.glPointSize(width)
gl.glEnable(gl.GL_LINE_SMOOTH)
gl.glEnable(gl.GL_BLEND)
gl.glBlendFunc(gl.GL_SRC_ALPHA, gl.GL_ONE_MINUS_SRC_ALPHA)
gl.glHint(gl.GL_LINE_SMOOTH_HINT, gl.GL_NICEST)
gl.glDrawArrays(gl.GL_LINE_STRIP, 0, pos.size / pos.shape[-1])
finally:
gl.glDisableClientState(gl.GL_VERTEX_ARRAY)
finally:
p.endNativePainting()
Example #19
| Source File: electrodeGUI.py From simnibs with GNU General Public License v3.0 | 3 votes |
|
def resizeGL(self, width, height):
side = min(width, height)
GL.glViewport((width - side) // 2, (height - side) // 2, side, side)
GL.glMatrixMode(GL.GL_PROJECTION)
GL.glLoadIdentity()
#GL.glOrtho(-0.5, +0.5, +0.5, -0.5, 4.0, 15.0)
GL.glFrustum(-0.5, +0.5, +0.5, -0.5, 4.0, 15.0)
GL.glMatrixMode(GL.GL_MODELVIEW)
Example #20
| Source File: gui-glut.py From PyDev.Debugger with Eclipse Public License 1.0 | 2 votes |
|
def resize(width,height):
gl.glViewport(0, 0, width, height+4)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
gl.glOrtho(0, width, 0, height+4, -1, 1)
gl.glMatrixMode(gl.GL_MODELVIEW)
Example #21
| Source File: head_model_OGL.py From simnibs with GNU General Public License v3.0 | 2 votes |
|
def resizeGL(self, width, height):
GL.glViewport(0, 0, width, height)
self.view = [0, 0, width, height]
