comparison src/zamikongine/glsl_helpers.nim @ 32:9edca5dc4e93

add: working implementation of uniforms
author Sam <sam@basx.dev>
date Sat, 14 Jan 2023 23:34:50 +0700
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31:0996104ad066 32:9edca5dc4e93
1 import ./math/vector
2 import ./math/matrix
3
4 func getGLSLType*[T](): string =
5 # todo: likely not correct as we would need to enable some
6 # extensions somewhere (Vulkan/GLSL compiler?) to have
7 # everything work as intended. Or maybe the GPU driver does
8 # some automagic conversion stuf..
9 when T is uint8: "uint"
10 elif T is int8: "int"
11 elif T is uint16: "uint"
12 elif T is int16: "int"
13 elif T is uint32: "uint"
14 elif T is int32: "int"
15 elif T is uint64: "uint"
16 elif T is int64: "int"
17 elif T is float32: "float"
18 elif T is float64: "double"
19
20 elif T is Vec2[uint8]: "uvec2"
21 elif T is Vec2[int8]: "ivec2"
22 elif T is Vec2[uint16]: "uvec2"
23 elif T is Vec2[int16]: "ivec2"
24 elif T is Vec2[uint32]: "uvec2"
25 elif T is Vec2[int32]: "ivec2"
26 elif T is Vec2[uint64]: "uvec2"
27 elif T is Vec2[int64]: "ivec2"
28 elif T is Vec2[float32]: "vec2"
29 elif T is Vec2[float64]: "dvec2"
30
31 elif T is Vec3[uint8]: "uvec3"
32 elif T is Vec3[int8]: "ivec3"
33 elif T is Vec3[uint16]: "uvec3"
34 elif T is Vec3[int16]: "ivec3"
35 elif T is Vec3[uint32]: "uvec3"
36 elif T is Vec3[int32]: "ivec3"
37 elif T is Vec3[uint64]: "uvec3"
38 elif T is Vec3[int64]: "ivec3"
39 elif T is Vec3[float32]: "vec3"
40 elif T is Vec3[float64]: "dvec3"
41
42 elif T is Vec4[uint8]: "uvec4"
43 elif T is Vec4[int8]: "ivec4"
44 elif T is Vec4[uint16]: "uvec4"
45 elif T is Vec4[int16]: "ivec4"
46 elif T is Vec4[uint32]: "uvec4"
47 elif T is Vec4[int32]: "ivec4"
48 elif T is Vec4[uint64]: "uvec4"
49 elif T is Vec4[int64]: "ivec4"
50 elif T is Vec4[float32]: "vec4"
51 elif T is Vec4[float64]: "dvec4"
52
53 elif T is Mat22[float32]: "mat2"
54 elif T is Mat23[float32]: "mat32"
55 elif T is Mat32[float32]: "mat23"
56 elif T is Mat33[float32]: "mat3"
57 elif T is Mat34[float32]: "mat43"
58 elif T is Mat43[float32]: "mat34"
59 elif T is Mat44[float32]: "mat4"
60
61 elif T is Mat22[float64]: "dmat2"
62 elif T is Mat23[float64]: "dmat32"
63 elif T is Mat32[float64]: "dmat23"
64 elif T is Mat33[float64]: "dmat3"
65 elif T is Mat34[float64]: "dmat43"
66 elif T is Mat43[float64]: "dmat34"
67 elif T is Mat44[float64]: "dmat4"