Python OpenGL.GL.glGetString() Examples
The following are 13
code examples of OpenGL.GL.glGetString().
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Example #1
| Source File: test_opengl.py From spimagine with BSD 3-Clause "New" or "Revised" License | 7 votes |
|
def paintGL(self):
self.makeCurrent()
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
self.program.bind()
self.program.enableAttributeArray("position")
self.vbo.bind()
gl.glVertexAttribPointer(self.program.attributeLocation("position"), 2, gl.GL_FLOAT, gl.GL_FALSE, 0, self.vbo)
self.program.enableAttributeArray("normal")
self.vbo_cols.bind()
gl.glVertexAttribPointer(self.program.attributeLocation("normal"), 3, gl.GL_FLOAT, gl.GL_FALSE, 0, self.vbo_cols)
gl.glDrawArrays(gl.GL_TRIANGLES, 0, len(self.data))
print(self.context().format().majorVersion())
print(self.context().format().minorVersion())
print(gl.glGetString(gl.GL_VERSION));
Example #2
| Source File: gltest.py From bluesky with GNU General Public License v3.0 | 6 votes |
|
def paintGL(self):
gl.glClear(gl.GL_COLOR_BUFFER_BIT)
if not self.first:
return
f = open('opengl_test.txt', 'w')
gl_version = float(gl.glGetString(gl.GL_VERSION)[:3])
f.write('Supported OpenGL version: %.1f\n' % gl_version)
if gl_version >= 2.0:
f.write('Supported GLSL version: ' +
gl.glGetString(gl.GL_SHADING_LANGUAGE_VERSION).decode() + '\n')
f.write('Context was valid in initializeGL? %d\n' % self.was_valid_in_init)
numext = gl.glGetIntegerv(gl.GL_NUM_EXTENSIONS)
f.write('Supported OpenGL extensions:' + '\n')
extensions = ''
for i in range(numext):
extensions += ', ' + gl.glGetStringi(gl.GL_EXTENSIONS, i).decode()
f.write(extensions)
f.close()
self.first = False
Example #3
| Source File: blipdriver.py From bluesky with GNU General Public License v3.0 | 6 votes |
|
def initializeGL(self):
"""Initialize OpenGL, VBOs, upload data on the GPU, etc."""
# First check for supported GL version
gl_version = float(gl.glGetString(gl.GL_VERSION)[:3])
if gl_version < 3.3:
return
# background color
gl.glClearColor(0, 0, 0, 0)
gl.glEnable(gl.GL_BLEND)
gl.glBlendFunc(gl.GL_SRC_ALPHA, gl.GL_ONE_MINUS_SRC_ALPHA)
# self.mcp_data = mcpUBO()
self.globaldata = ndUBO()
self.mcp_col_shader = BlueSkyProgram('mcp.vert', 'color.frag')
self.mcp_tex_shader = BlueSkyProgram('mcp.vert', 'texture.frag')
self.mcp_txt_shader = BlueSkyProgram('mcp_text.vert', 'mcp_text.frag')
self.color_shader = BlueSkyProgram('normal.vert', 'color.frag')
self.text_shader = BlueSkyProgram('text.vert', 'text.frag')
self.text_shader.bind_uniform_buffer('global_data', self.globaldata)
self.create_objects()
self.update_lcd()
Example #4
| Source File: head_model_OGL.py From simnibs with GNU General Public License v3.0 | 5 votes |
|
def getOpenglInfo(self):
info = """
Vendor: {0}
Renderer: {1}
OpenGL Version: {2}
Shader Version: {3}
""".format(
GL.glGetString(GL.GL_VENDOR).decode(),
GL.glGetString(GL.GL_RENDERER).decode(),
GL.glGetString(GL.GL_VERSION).decode(),
GL.glGetString(GL.GL_SHADING_LANGUAGE_VERSION).decode()
)
return info
Example #5
| Source File: test_opengl.py From spimagine with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
def initializeGL(self):
GL.glClearColor(1.0, 0.0, 0.0, 1.0)
GL.glEnable(GL.GL_BLEND)
GL.glBlendFunc (GL.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA)
GL.glClear(GL.GL_COLOR_BUFFER_BIT)
print("OpenGL.GL: " + str(GL.glGetString(GL.GL_VERSION)))
print("GL.GLSL: " + str(GL.glGetString(GL.GL_SHADING_LANGUAGE_VERSION)))
print("OpenGL ATTRIBUTES:\n",", ".join(d for d in dir(GL) if d.startswith("GL_")))
self.program = QOpenGLShaderProgram()
self.program.addShaderFromSourceCode(QOpenGLShader.Vertex, """#version 120
attribute vec2 position;
attribute vec2 texcoord;
varying vec2 mytexcoord;
void main() {
gl_Position = vec4(position, 0., 1.0);
mytexcoord = texcoord;
}""")
self.program.addShaderFromSourceCode(QOpenGLShader.Fragment, """#version 120
uniform sampler2D texture;
varying vec2 mytexcoord;
void main() {
gl_FragColor = texture2D(texture,mytexcoord);
}""")
print(self.program.log())
self.program.link()
self.texture = fillTexture2d(np.outer(np.linspace(0, 1, 128), np.ones(128)))
Example #6
| Source File: test_opengl2.py From spimagine with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
def paintGL(self):
self.makeCurrent()
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
self.program.bind()
self.program.enableAttributeArray("position")
self.vbo.bind()
gl.glVertexAttribPointer(self.program.attributeLocation("position"), 2, gl.GL_FLOAT, gl.GL_FALSE, 0, self.vbo)
self.program.enableAttributeArray("color")
self.vbo_cols.bind()
gl.glVertexAttribPointer(self.program.attributeLocation("color"), 3, gl.GL_FLOAT, gl.GL_FALSE, 0, self.vbo_cols)
self.vbo_index.bind()
#gl.glDrawArrays(gl.GL_TRIANGLES, 0, len(self.data))
gl.glDrawElements(gl.GL_TRIANGLES, len(self.index), gl.GL_UNSIGNED_INT, None)
print(self.context().format().majorVersion())
print(self.context().format().minorVersion())
print(gl.glGetString(gl.GL_VERSION));
Example #7
| Source File: nd.py From bluesky with GNU General Public License v3.0 | 5 votes |
|
def initializeGL(self):
"""Initialize OpenGL, VBOs, upload data on the GPU, etc."""
# First check for supported GL version
gl_version = float(gl.glGetString(gl.GL_VERSION)[:3])
if gl_version < 3.3:
return
# background color
gl.glClearColor(0, 0, 0, 0)
gl.glEnable(gl.GL_BLEND)
gl.glBlendFunc(gl.GL_SRC_ALPHA, gl.GL_ONE_MINUS_SRC_ALPHA)
self.globaldata = ndUBO()
try:
# Compile shaders and link color shader program
self.color_shader = BlueSkyProgram('data/graphics/shaders/nd-normal.vert', 'data/graphics/shaders/nd-color.frag')
self.color_shader.bind_uniform_buffer('global_data', self.globaldata)
# Compile shaders and link text shader program
self.text_shader = BlueSkyProgram('data/graphics/shaders/nd-text.vert', 'data/graphics/shaders/nd-text.frag')
self.text_shader.bind_uniform_buffer('global_data', self.globaldata)
except RuntimeError as e:
qCritical('Error compiling shaders in radarwidget: ' + e.args[0])
return
# Set initial zoom
self.globaldata.set_zoom(4.0)
self.create_objects()
Example #8
| Source File: check.py From bluesky with GNU General Public License v3.0 | 5 votes |
|
def initializeGL(self):
GLTest.gl_version = float(ogl.glGetString(ogl.GL_VERSION)[:3])
Example #9
| Source File: leveleditor.py From GDMC with ISC License | 4 votes |
|
def genSixteenBlockTexture():
has12 = GL.glGetString(GL.GL_VERSION) >= "1.2"
if has12:
maxLevel = 2
mode = GL.GL_LINEAR_MIPMAP_NEAREST
else:
maxLevel = 1
mode = GL.GL_LINEAR
def makeSixteenBlockTex():
darkColor = (0x30, 0x30, 0x30, 0xff)
lightColor = (0x80, 0x80, 0x80, 0xff)
w, h, = 256, 256
teximage = numpy.zeros((w, h, 4), dtype='uint8')
teximage[:] = 0xff
teximage[:, ::16] = lightColor
teximage[::16, :] = lightColor
teximage[:2] = darkColor
teximage[-1:] = darkColor
teximage[:, -1:] = darkColor
teximage[:, :2] = darkColor
# GL.glTexParameter(GL.GL_TEXTURE_2D,
# GL.GL_TEXTURE_MIN_FILTER,
# GL.GL_NEAREST_MIPMAP_NEAREST),
GL.glTexParameter(GL.GL_TEXTURE_2D,
GL.GL_TEXTURE_MAX_LEVEL,
maxLevel - 1)
for lev in range(maxLevel):
step = 1 << lev
if lev:
teximage[::16] = 0xff
teximage[:, ::16] = 0xff
teximage[:2] = darkColor
teximage[-1:] = darkColor
teximage[:, -1:] = darkColor
teximage[:, :2] = darkColor
GL.glTexImage2D(GL.GL_TEXTURE_2D, lev, GL.GL_RGBA8,
w / step, h / step, 0,
GL.GL_RGBA, GL.GL_UNSIGNED_BYTE,
teximage[::step, ::step].ravel())
return Texture(makeSixteenBlockTex, mode)
Example #10
| 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 #11
| Source File: radarwidget.py From bluesky with GNU General Public License v3.0 | 4 votes |
|
def initializeGL(self):
"""Initialize OpenGL, VBOs, upload data on the GPU, etc."""
# First check for supported GL version
gl_version = float(gl.glGetString(gl.GL_VERSION)[:3])
if gl_version < 3.3:
print(('OpenGL context created with GL version %.1f' % gl_version))
qCritical("""Your system reports that it supports OpenGL up to version %.1f. The minimum requirement for BlueSky is OpenGL 3.3.
Generally, AMD/ATI/nVidia cards from 2008 and newer support OpenGL 3.3, and Intel integrated graphics from the Haswell
generation and newer. If you think your graphics system should be able to support GL>=3.3 please open an issue report
on the BlueSky Github page (https://github.com/ProfHoekstra/bluesky/issues)""" % gl_version)
return
# background color
gl.glClearColor(*(palette.background + (0,)))
gl.glEnable(gl.GL_BLEND)
gl.glBlendFunc(gl.GL_SRC_ALPHA, gl.GL_ONE_MINUS_SRC_ALPHA)
self.globaldata = radarUBO()
try:
shpath = path.join(settings.gfx_path, 'shaders')
# Compile shaders and link color shader program
self.color_shader = BlueSkyProgram(path.join(shpath, 'radarwidget-normal.vert'), path.join(shpath, 'radarwidget-color.frag'))
self.color_shader.bind_uniform_buffer('global_data', self.globaldata)
# Compile shaders and link texture shader program
self.texture_shader = BlueSkyProgram(path.join(shpath, 'radarwidget-normal.vert'), path.join(shpath, 'radarwidget-texture.frag'))
self.texture_shader.bind_uniform_buffer('global_data', self.globaldata)
# Compile shaders and link text shader program
self.text_shader = BlueSkyProgram(path.join(shpath, 'radarwidget-text.vert'), path.join(shpath, 'radarwidget-text.frag'))
self.text_shader.bind_uniform_buffer('global_data', self.globaldata)
self.ssd_shader = BlueSkyProgram(path.join(shpath, 'ssd.vert'), path.join(shpath, 'ssd.frag'), path.join(shpath, 'ssd.geom'))
self.ssd_shader.bind_uniform_buffer('global_data', self.globaldata)
self.ssd_shader.loc_vlimits = gl.glGetUniformLocation(self.ssd_shader.program, 'Vlimits')
self.ssd_shader.loc_nac = gl.glGetUniformLocation(self.ssd_shader.program, 'n_ac')
except RuntimeError as e:
print('Error compiling shaders in radarwidget: ' + e.args[0])
qCritical('Error compiling shaders in radarwidget: ' + e.args[0])
return
# create all vertex array objects
try:
self.create_objects()
except Exception as e:
print('Error while creating RadarWidget objects: ' + e.args[0])
Example #12
| Source File: leveleditor.py From MCEdit-Unified with ISC License | 4 votes |
|
def genSixteenBlockTexture():
has12 = GL.glGetString(GL.GL_VERSION) >= "1.2"
if has12:
maxLevel = 2
mode = GL.GL_LINEAR_MIPMAP_NEAREST
else:
maxLevel = 1
mode = GL.GL_LINEAR
def makeSixteenBlockTex():
darkColor = (0x30, 0x30, 0x30, 0xff)
lightColor = (0x80, 0x80, 0x80, 0xff)
w, h, = 256, 256
teximage = numpy.zeros((w, h, 4), dtype='uint8')
teximage[:] = 0xff
teximage[:, ::16] = lightColor
teximage[::16, :] = lightColor
teximage[:2] = darkColor
teximage[-1:] = darkColor
teximage[:, -1:] = darkColor
teximage[:, :2] = darkColor
GL.glTexParameter(GL.GL_TEXTURE_2D,
GL.GL_TEXTURE_MAX_LEVEL,
maxLevel - 1)
for lev in xrange(maxLevel):
step = 1 << lev
if lev:
teximage[::16] = 0xff
teximage[:, ::16] = 0xff
teximage[:2] = darkColor
teximage[-1:] = darkColor
teximage[:, -1:] = darkColor
teximage[:, :2] = darkColor
GL.glTexImage2D(GL.GL_TEXTURE_2D, lev, GL.GL_RGBA8,
w / step, h / step, 0,
GL.GL_RGBA, GL.GL_UNSIGNED_BYTE,
teximage[::step, ::step].ravel())
return Texture(makeSixteenBlockTex, mode)
Example #13
| 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()
