def testSampler(self):
size = (4, 4)
tex = ImmutableTexture(size, components=1, bits=8, normalized=True)
data = numpy.zeros(size, dtype='uint8')
data[1:2, 1:2] = 255;
tex[:,:] = data
shader_files = { 'vertex': 'texture.vert'
, 'fragment': 'texture.frag' }
shaders = readShaders(**shader_files)
vertex_attributes = [ Variable('position', 'vec4') ]
vao = VAO(*vertex_attributes)
uniform_attributes = [ Variable('tex', 'sampler2D') ]
program = Program.fromSources(shaders, attributes=vao.attributes, uniforms=uniform_attributes)
buf = VertexBuffer(Type('vec3'))
data = numpy.array([[0, 0, 0], [0, 1, 0], [0, 0, 1]], dtype='int16')
buf[...] = data
vao[0].data = buf.blocks[0].tracks[0]
tex.activate(1)
program.uniforms['tex'].data = 1
def setUp(self):
super().setUp()
shaders = {"vertex": "uniform_block.vert", "fragment": "compile.frag"}
shaders = readShaders(**shaders)
struct_foo = Struct("Foo", Variable("f", "float"), Variable("v4", "vec4"))
# This has an incorrect definition to simulate members being optimized out
struct_foo_optimized = Struct(
"Foo", Variable("f", "float"), Variable("v4", "vec4"), Variable("optimized_out", "float")
)
uniform_blocks = [
UniformBlock("AnonymousUB", Variable("m4", "mat4"), Variable("b", "bool"), binding=2, layout="std140"),
UniformBlock(
"InstancedUB",
Variable("f", "float"),
Variable("v4", "vec4"),
Variable("foo", struct_foo),
instance_name="ubinstance",
),
# This has an incorrect definition to simulate members being optimized out
UniformBlock(
"OptimizedUB",
Variable("ui", "uint"),
Variable("i", "int"),
Variable("optimized_out", "float"),
Variable("foo", Array(struct_foo_optimized, 2)),
instance_name="uboptimized",
),
]
self.program = Program.fromSources(shaders, uniform_blocks=uniform_blocks)
def setUp(self):
super().setUp()
shader_files = { 'vertex': 'compile.vert'
, 'fragment': 'compile.frag'}
shaders = readShaders(**shader_files)
self.program = Program.fromSources(shaders)
def setUp(self):
super().setUp()
shader_files = {"vertex": "vertices.vert", "fragment": "vertices.frag"}
shaders = readShaders(**shader_files)
vertex_attribs = [
VertexAttribute("position", "vec4"),
VertexAttribute("color", "vec3"),
VertexAttribute("baz", "vec2"),
VertexAttribute("foo", "mat2x4"),
VertexAttribute("bar", Array("mat3", 2)),
]
self.program = Program.fromSources(shaders, vertex_attributes=vertex_attribs)
self.vao = VAO(*self.program.vertex_attributes.values())