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297 lines
8.6 KiB
297 lines
8.6 KiB
# -*- coding: utf-8 -*-
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#-------------------------------------------------------------------------
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# drawElements Quality Program utilities
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# --------------------------------------
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#
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# Copyright 2015 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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#-------------------------------------------------------------------------
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import sys
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import random
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import operator
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import itertools
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from genutil import *
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random.seed(1234567)
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indices = xrange(sys.maxint)
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# Swizzles:
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# - vector components
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# * int, float, bool vectors
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# * .xyzw, .rgba, .stpq
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# * illegal to mix
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# * not allowed for scalar types
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# * legal to chain: vec4.rgba.xyzw.stpq
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# * illegal to select more than 4 components
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#
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# Subscripts:
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# - array-like indexing with [] operator
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# * vectors, matrices
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# - read & write
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# - vectors components
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# * [] accessor
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# - matrix columns
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# * [] accessor
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# * note: mat4[0].x = 1.0; vs mat4[0][0] = 1.0; ??
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# * out-of-bounds accesses
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#
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# - vector swizzles
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# * all vector types (bvec2..4, ivec2..4, vec2..4)
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# * all precisions (lowp, mediump, highp)
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# * all component names (xyzw, rgba, stpq)
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# * broadcast each, reverse, N random
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# - component-masked writes
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# * all vector types (bvec2..4, ivec2..4, vec2..4)
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# * all precisions (lowp, mediump, highp)
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# * all component names (xyzw, rgba, stpq)
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# * all possible subsets
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# * all input types (attribute, varying, uniform, tmp)
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# -> a few hundred cases
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# - concatenated swizzles
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#
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VECTOR_TYPES = [ "vec2", "vec3", "vec4", "ivec2", "ivec3", "ivec4", "bvec2", "bvec3", "bvec4" ]
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PRECISION_TYPES = [ "lowp", "mediump", "highp" ]
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INPUT_TYPES = [ "uniform", "varying", "attribute", "tmp" ]
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SWIZZLE_NAMES = [ "xyzw", "stpq", "rgba" ]
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def getDataTypeScalarSize (dt):
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return {
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"float": 1,
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"vec2": 2,
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"vec3": 3,
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"vec4": 4,
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"int": 1,
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"ivec2": 2,
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"ivec3": 3,
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"ivec4": 4,
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"bool": 1,
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"bvec2": 2,
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"bvec3": 3,
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"bvec4": 4,
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"mat2": 4,
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"mat3": 9,
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"mat4": 16
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}[dt]
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if False:
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class Combinations:
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def __init__(self, *args):
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self.lists = list(args)
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self.numLists = len(args)
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self.numCombinations = reduce(operator.mul, map(len, self.lists), 1)
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print(self.lists)
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print(self.numCombinations)
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def iterate(self):
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return [tuple(map(lambda x: x[0], self.lists))]
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combinations = Combinations(INPUT_TYPES, VECTOR_TYPES, PRECISION_TYPES)
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print(combinations.iterate())
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for (inputType, dataType, precision) in combinations.iterate():
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scalarSize = getDataTypeScalarSize(dataType)
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print(inputType, precision, dataType)
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def getSwizzlesForWidth(width):
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if (width == 2):
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return [(0,), (0,0), (0,1), (1,0), (1,0,1), (0,1,0,0), (1,1,1,1)]
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elif (width == 3):
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return [(0,), (2,), (0,2), (2,2), (0,1,2), (2,1,0), (0,0,0), (2,2,2), (2,2,1), (1,0,1), (0,2,0), (0,1,1,0), (2,2,2,2)]
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elif (width == 4):
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return [(0,), (3,), (3,0), (3,2), (3,3,3), (1,1,3), (3,2,1), (0,1,2,3), (3,2,1,0), (0,0,0,0), (1,1,1,1), (3,3,3,3), (3,2,2,3), (3,3,3,1), (0,1,0,0), (2,2,3,2)]
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else:
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assert False
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# Templates.
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s_swizzleCaseTemplate = """
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case ${{NAME}}
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values
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{
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${{VALUES}}
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}
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both ""
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precision mediump float;
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${DECLARATIONS}
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void main()
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{
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${SETUP}
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${{OP}}
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${OUTPUT}
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}
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""
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end
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"""[1:]
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s_simpleIllegalCaseTemplate = """
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case ${{NAME}}
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expect compile_fail
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values {}
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both ""
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precision mediump float;
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precision mediump int;
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${DECLARATIONS}
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void main()
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{
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${SETUP}
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${{OP}}
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${OUTPUT}
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}
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""
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end
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"""[1:]
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class SwizzleCase(ShaderCase):
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def __init__(self, name, precision, dataType, swizzle, inputs, outputs):
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self.name = name
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self.precision = precision
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self.dataType = dataType
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self.swizzle = swizzle
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self.inputs = inputs
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self.outputs = outputs
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self.op = "out0 = in0.%s;" % swizzle
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def __str__(self):
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params = {
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"NAME": self.name,
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"VALUES": genValues(self.inputs, self.outputs),
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"OP": self.op
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}
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return fillTemplate(s_swizzleCaseTemplate, params)
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# CASE DECLARATIONS
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inFloat = [Scalar(x) for x in [0.0, 1.0, 2.0, 3.5, -0.5, -20.125, 36.8125]]
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inInt = [Scalar(x) for x in [0, 1, 2, 5, 8, 11, -12, -66, -192, 255]]
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inBool = [Scalar(x) for x in [True, False]]
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inVec4 = [Vec4(0.0, 0.5, 0.75, 0.825), Vec4(1.0, 1.25, 1.125, 1.75),
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Vec4(-0.5, -2.25, -4.875, 9.0), Vec4(-32.0, 64.0, -51.0, 24.0),
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Vec4(-0.75, -1.0/31.0, 1.0/19.0, 1.0/4.0)]
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inVec3 = toVec3(inVec4)
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inVec2 = toVec2(inVec4)
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inIVec4 = toIVec4(inVec4)
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inIVec3 = toIVec3(inVec4)
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inIVec2 = toIVec2(inVec4)
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inBVec4 = [Vec4(True, False, False, True), Vec4(False, False, False, True), Vec4(False, True, False, False), Vec4(True, True, True, True), Vec4(False, False, False, False)]
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inBVec3 = toBVec3(inBVec4)
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inBVec2 = toBVec2(inBVec4)
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# \todo [petri] Enable large values when epsilon adapts to the values.
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inMat4 = [Mat4(1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0),
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Mat4(6.5, 12.5, -0.75, 9.975, 32.0, 1.0/48.0, -8.425, -6.542, 1.0/8.0, 1.0/16.0, 1.0/32.0, 1.0/64.0, -6.725, -0.5, -0.0125, 9.975),
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#Mat4(128.0, 256.0, -512.0, -1024.0, 2048.0, -4096.0, 8192.0, -8192.0, 192.0, -384.0, 768.0, -1536.0, 8192.0, -8192.0, 6144.0, -6144.0)
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]
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inMat3 = [Mat3(1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 1.0),
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Mat3(6.5, 12.5, -0.75, 32.0, 1.0/32.0, 1.0/64.0, 1.0/8.0, 1.0/16.0, 1.0/32.0),
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#Mat3(-18.725, -0.5, -0.0125, 19.975, -0.25, -17.75, 9.25, 65.125, -21.425),
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#Mat3(128.0, -4096.0, -8192.0, 192.0, 768.0, -1536.0, 8192.0, 6144.0, -6144.0)
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]
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inMat2 = [Mat2(1.0, 0.0, 0.0, 1.0),
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Mat2(6.5, 12.5, -0.75, 9.975),
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Mat2(6.5, 12.5, -0.75, 9.975),
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Mat2(8.0, 16.0, -24.0, -16.0),
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Mat2(1.0/8.0, 1.0/16.0, 1.0/32.0, 1.0/64.0),
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Mat2(-18.725, -0.5, -0.0125, 19.975),
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#Mat2(128.0, -4096.0, 192.0, -1536.0),
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#Mat2(-1536.0, 8192.0, 6144.0, -6144.0)
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]
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INPUTS = {
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"float": inFloat,
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"vec2": inVec2,
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"vec3": inVec3,
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"vec4": inVec4,
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"int": inInt,
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"ivec2": inIVec2,
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"ivec3": inIVec3,
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"ivec4": inIVec4,
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"bool": inBool,
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"bvec2": inBVec2,
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"bvec3": inBVec3,
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"bvec4": inBVec4,
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"mat2": inMat2,
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"mat3": inMat3,
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"mat4": inMat4
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}
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def genConversionCases(inValueList, convFuncList):
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combinations = list(itertools.product(inValueList, convFuncList))
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return [ConversionCase(inValues, convFunc) for (inValues, convFunc) in combinations]
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allCases = []
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# Vector swizzles.
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vectorSwizzleCases = []
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# \todo [petri] Uses fixed precision.
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for dataType in VECTOR_TYPES:
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scalarSize = getDataTypeScalarSize(dataType)
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precision = "mediump"
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for swizzleComponents in SWIZZLE_NAMES:
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for swizzleIndices in getSwizzlesForWidth(scalarSize):
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swizzle = "".join(map(lambda x: swizzleComponents[x], swizzleIndices))
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#print("%s %s .%s" % (precision, dataType, swizzle))
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caseName = "%s_%s_%s" % (precision, dataType, swizzle)
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inputs = INPUTS[dataType]
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outputs = map(lambda x: x.swizzle(swizzleIndices), inputs)
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outType = outputs[0].typeString()
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vectorSwizzleCases.append(SwizzleCase(caseName, precision, dataType, swizzle, [("%s in0" % dataType, inputs)], [("%s out0" % outType, outputs)]))
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# ??
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#for dataType in VECTOR_TYPES:
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# scalarSize = getDataTypeScalarSize(dataType)
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# for precision in PRECISION_TYPES:
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# for swizzleIndices in getSwizzlesForWidth(scalarSize):
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# swizzle = "".join(map(lambda x: "xyzw"[x], swizzleIndices))
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# #print("%s %s .%s" % (precision, dataType, swizzle))
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# caseName = "%s_%s_%s" % (precision, dataType, swizzle)
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# inputs = INPUTS[dataType]
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# outputs = map(lambda x: x.swizzle(swizzleIndices), inputs)
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# vectorSwizzleCases.append(SwizzleCase(caseName, precision, dataType, swizzle, [("in0", inputs)], [("out0", outputs)]))
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allCases.append(CaseGroup("vector_swizzles", "Vector Swizzles", vectorSwizzleCases))
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# Swizzles:
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# - vector components
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# * int, float, bool vectors
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# * .xyzw, .rgba, .stpq
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# * illegal to mix
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# * not allowed for scalar types
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# * legal to chain: vec4.rgba.xyzw.stpq
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# * illegal to select more than 4 components
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# TODO: precisions!!
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#allCases.append(CaseGroup("vector_swizzles", "Vector Swizzles",
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# genSwizzleCase([inVec2, inVec3, inVec4],
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# Main program.
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if __name__ == "__main__":
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print("Generating shader case files.")
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writeAllCases("swizzles.test", allCases)
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