class QtTexture(Texture):
def __init__(self):
super().__init__()
self._qt_texture = QOpenGLTexture(QOpenGLTexture.Target2D)
self._gl = OpenGL.getInstance().getBindingsObject()
self._file_name = None
def getTextureId(self):
return self._qt_texture.textureId()
def bind(self, unit):
if not self._qt_texture.isCreated():
if self._file_name != None:
image = QImage(self._file_name).mirrored()
else:
image = QImage(1, 1, QImage.Format_ARGB32)
self._qt_texture.setData(image)
self._qt_texture.setMinMagFilters(QOpenGLTexture.Linear, QOpenGLTexture.Linear)
self._qt_texture.bind(unit)
def release(self, unit):
self._qt_texture.release(unit)
def load(self, file_name):
self._file_name = file_name
class Texture:
"""A class describing the interface to be used for texture objects.
This interface should be implemented by OpenGL implementations to handle texture
objects.
"""
def __init__(self,
open_gl_binding_object: QAbstractOpenGLFunctions) -> None:
super().__init__()
self._qt_texture = QOpenGLTexture(QOpenGLTexture.Target2D)
self._gl = open_gl_binding_object
self._file_name = None
self._image = None
def getTextureId(self) -> int:
"""Get the OpenGL ID of the texture."""
return self._qt_texture.textureId()
def bind(self, texture_unit):
"""Bind the texture to a certain texture unit.
:param texture_unit: The texture unit to bind to.
"""
if not self._qt_texture.isCreated():
if self._file_name != None:
self._image = QImage(self._file_name).mirrored()
elif self._image is None: # No filename or image set.
self._image = QImage(1, 1, QImage.Format_ARGB32)
self._image.fill(0)
self._qt_texture.setData(self._image)
self._qt_texture.setMinMagFilters(QOpenGLTexture.Linear,
QOpenGLTexture.Linear)
self._qt_texture.bind(texture_unit)
def release(self, texture_unit):
"""Release the texture from a certain texture unit.
:param texture_unit: The texture unit to release from.
"""
self._qt_texture.release(texture_unit)
def load(self, file_name):
"""Load an image and upload it to the texture.
:param file_name: The file name of the image to load.
"""
self._file_name = file_name
# Actually loading the texture is postponed until the next bind() call.
# This makes sure we are on the right thread and have a current context when trying to upload.
def setImage(self, image):
self._image = image
class Texture:
def __init__(self,
open_gl_binding_object: QAbstractOpenGLFunctions) -> None:
super().__init__()
self._qt_texture = QOpenGLTexture(QOpenGLTexture.Target2D)
self._gl = open_gl_binding_object
self._file_name = None
self._image = None
## Get the OpenGL ID of the texture.
def getTextureId(self) -> int:
return self._qt_texture.textureId()
## Bind the texture to a certain texture unit.
#
# \param texture_unit The texture unit to bind to.
def bind(self, texture_unit):
if not self._qt_texture.isCreated():
if self._file_name != None:
self._image = QImage(self._file_name).mirrored()
elif self._image is None: # No filename or image set.
self._image = QImage(1, 1, QImage.Format_ARGB32)
self._image.fill(0)
self._qt_texture.setData(self._image)
self._qt_texture.setMinMagFilters(QOpenGLTexture.Linear,
QOpenGLTexture.Linear)
self._qt_texture.bind(texture_unit)
## Release the texture from a certain texture unit.
#
# \param texture_unit The texture unit to release from.
def release(self, texture_unit):
self._qt_texture.release(texture_unit)
## Load an image and upload it to the texture.
#
# \param file_name The file name of the image to load.
def load(self, file_name):
self._file_name = file_name
#Actually loading the texture is postponed until the next bind() call.
#This makes sure we are on the right thread and have a current context when trying to upload.
def setImage(self, image):
self._image = image
class Texture(object):
def __init__(self, open_gl_binding_object):
super().__init__()
self._qt_texture = QOpenGLTexture(QOpenGLTexture.Target2D)
self._gl = open_gl_binding_object
self._file_name = None
self._image = None
## Get the OpenGL ID of the texture.
def getTextureId(self):
return self._qt_texture.textureId()
## Bind the texture to a certain texture unit.
#
# \param texture_unit The texture unit to bind to.
def bind(self, texture_unit):
if not self._qt_texture.isCreated():
if self._file_name != None:
self._image = QImage(self._file_name).mirrored()
elif self._image is None: # No filename or image set.
self._image = QImage(1, 1, QImage.Format_ARGB32)
self._image.fill(0)
self._qt_texture.setData(self._image)
self._qt_texture.setMinMagFilters(QOpenGLTexture.Linear, QOpenGLTexture.Linear)
self._qt_texture.bind(texture_unit)
## Release the texture from a certain texture unit.
#
# \param texture_unit The texture unit to release from.
def release(self, texture_unit):
self._qt_texture.release(texture_unit)
## Load an image and upload it to the texture.
#
# \param file_name The file name of the image to load.
def load(self, file_name):
self._file_name = file_name
#Actually loading the texture is postponed until the next bind() call.
#This makes sure we are on the right thread and have a current context when trying to upload.
def setImage(self, image):
self._image = image
class QtTexture(Texture):
def __init__(self):
super().__init__()
self._qt_texture = QOpenGLTexture(QOpenGLTexture.Target2D)
self._qt_texture.setMinMagFilters(QOpenGLTexture.Linear, QOpenGLTexture.Linear)
self._gl = OpenGL.getInstance().getBindingsObject()
def getTextureId(self):
return self._qt_texture.textureId()
def bind(self, unit):
self._qt_texture.bind(unit)
def release(self, unit):
self._qt_texture.release(unit)
def load(self, file_name):
image = QImage(file_name).mirrored()
self._qt_texture.setData(image)
class QtTexture(Texture):
def __init__(self):
super().__init__()
self._qt_texture = QOpenGLTexture(QOpenGLTexture.Target2D)
self._qt_texture.setMinMagFilters(QOpenGLTexture.Linear,
QOpenGLTexture.Linear)
self._gl = OpenGL.getInstance().getBindingsObject()
def getTextureId(self):
return self._qt_texture.textureId()
def bind(self, unit):
self._qt_texture.bind(unit)
def release(self, unit):
self._qt_texture.release(unit)
def load(self, file_name):
image = QImage(file_name).mirrored()
self._qt_texture.setData(image)
def asQOpenGLTexture(self, gl, context):
if not self.data:
return
if self.glFormat.requirements:
minVersion, extensions = self.glFormat.requirements
glVersion = (gl.glGetIntegerv(gl.GL_MAJOR_VERSION),
gl.glGetIntegerv(gl.GL_MINOR_VERSION))
if glVersion < minVersion or minVersion < (1, 0):
compatible = False
for extension in extensions:
if context.hasExtension(extension):
compatible = True
break
if not compatible:
qCritical(
self.__tr(
"OpenGL driver incompatible with texture format."))
return None
if self.header.dwCaps2 & DDSDefinitions.DDS_HEADER.Caps2.DDSCAPS2_CUBEMAP:
texture = QOpenGLTexture(QOpenGLTexture.TargetCubeMap)
if self.header.dwWidth != self.header.dwHeight:
qCritical(self.__tr("Cubemap faces must be square"))
return None
else:
# Assume GL_TEXTURE_2D for now
texture = QOpenGLTexture(QOpenGLTexture.Target2D)
# Assume single layer for now
# self.texture.setLayers(1)
mipCount = self.mipLevels()
texture.setAutoMipMapGenerationEnabled(False)
texture.setMipLevels(mipCount)
texture.setMipLevelRange(0, mipCount - 1)
texture.setSize(self.header.dwWidth, self.header.dwHeight)
texture.setFormat(self.glFormat.internalFormat)
texture.allocateStorage()
if self.header.dwCaps2 & DDSDefinitions.DDS_HEADER.Caps2.DDSCAPS2_CUBEMAP:
# Lisa hasn't whipped David Wang into shape yet. At least there are fewer bugs than under Raja.
# The specific bug has been reported and AMD "will try to reproduce it soon"
noDSA = "Radeon" in gl.glGetString(
gl.GL_RENDERER) and self.glFormat.compressed
if noDSA:
texture.bind()
faceIndex = 0
for face in ddsCubemapFaces:
if self.header.dwCaps2 & face:
for i in range(mipCount):
if self.glFormat.compressed:
if not noDSA:
texture.setCompressedData(
i, 0, ddsCubemapFaces[face],
len(self.data[faceIndex * mipCount + i]),
self.data[faceIndex * mipCount + i])
else:
gl.glCompressedTexSubImage2D(
ddsCubemapFaces[face], i, 0, 0,
max(self.header.dwWidth // 2**i, 1),
max(self.header.dwHeight // 2**i,
1), self.glFormat.internalFormat,
len(self.data[faceIndex * mipCount + i]),
self.data[faceIndex * mipCount + i])
else:
texture.setData(
i, 0, ddsCubemapFaces[face],
self.glFormat.format, self.glFormat.type,
self.glFormat.converter(
self.data[faceIndex * mipCount + i]))
faceIndex += 1
if noDSA:
texture.release()
else:
for i in range(mipCount):
if self.glFormat.compressed:
texture.setCompressedData(i, 0, len(self.data[i]),
self.data[i])
else:
texture.setData(i, 0, self.glFormat.format,
self.glFormat.type,
self.glFormat.converter(self.data[i]))
texture.setWrapMode(QOpenGLTexture.ClampToEdge)
if self.glFormat.samplerType != "F":
# integer textures can't be filtered
texture.setMinMagFilters(QOpenGLTexture.NearestMipMapNearest,
QOpenGLTexture.Nearest)
return texture
