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Ubos with nested structs slowly getting there

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bloeys
2024-06-06 04:59:40 +04:00
parent 870653019c
commit 0d34e0fe6e
4 changed files with 122 additions and 10 deletions
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44
main.go
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@ -799,6 +799,50 @@ func testUbos() {
gl.GetBufferSubData(gl.UNIFORM_BUFFER, 32+16*4+16+16*3+16*2+16*2+2*16*2+2*16*3, 2*16*4, gl.Ptr(&mat4Slice[0]))
fmt.Printf("f32=%f; v3=%s; f32Slice=%v; i32=%d; i32Arr=%v; v3Slice=%v; v4Slice=%v; mat2Slice=%v; mat3Slice=%v; mat4Slice=%v\n", x, v.String(), fArr, someInt32, i32Arr, vec3Slice, vec4Slice, mat2Slice, mat3Slice, mat4Slice)
//
// Ubo3
//
type TestUBO3_1 struct {
F32 float32
V3 gglm.Vec3
}
type TestUBO3_2 struct {
F32 float32
S TestUBO3_1
}
ubo3 := buffers.NewUniformBuffer([]buffers.UniformBufferFieldInput{
{Id: 0, Type: buffers.DataTypeFloat32}, // 04 00
{Id: 1, Type: buffers.DataTypeStruct, Subfields: []buffers.UniformBufferFieldInput{ // 00 16
{Id: 2, Type: buffers.DataTypeFloat32}, // 04 20
{Id: 3, Type: buffers.DataTypeVec3}, // 16 32
}}, // 32+16 = 48
})
fmt.Printf("\n==UBO3==\nSize=%d\nFields: %+v", ubo3.Size, ubo3.Fields)
ubo3.SetFloat32(0, 11)
ubo3.SetFloat32(2, 22)
ubo3.SetVec3(3, &gglm.Vec3{Data: [3]float32{33, 44, 55}})
// Bind the uniform block and the vertex buffer both to binding slot 2
gl.BindBufferBase(gl.UNIFORM_BUFFER, 2, ubo3.Id)
name := "Test2\x00"
uniformBlockIndex := gl.GetUniformBlockIndex(groundMat.ShaderProg.Id, gl.Str(name))
gl.UniformBlockBinding(groundMat.ShaderProg.Id, uniformBlockIndex, 2)
// s3 := TestUBO3_2{
// F32: 76.1,
// S: TestUBO3_1{
// F32: 89.9,
// V3: gglm.NewVec3(7.1, 7.2, 7.3),
// },
// }
// ubo3.SetStruct(s3)
}
func (g *Game) initFbos() {