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bloeys
2024-09-14 19:41:39 +04:00
parent bbc8652292
commit 3be4ad9c45
2 changed files with 56 additions and 10 deletions
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10
buffers/uniform_buffer.go
View File

@ -203,10 +203,10 @@ func (ub *UniformBuffer) SetMat4(fieldId uint16, val *gglm.Mat4) {
}
func (ub *UniformBuffer) SetStruct(inputStruct any) {
setStruct(ub.Fields, make([]byte, ub.Size), inputStruct, 1000_000)
setStruct(ub.Fields, make([]byte, ub.Size), inputStruct, 1000_000, false)
}
func setStruct(fields []UniformBufferField, buf []byte, inputStruct any, maxFieldsToConsume int) (bytesWritten, fieldsConsumed int) {
func setStruct(fields []UniformBufferField, buf []byte, inputStruct any, maxFieldsToConsume int, onlyBufWrite bool) (bytesWritten, fieldsConsumed int) {
if len(fields) == 0 {
return
@ -387,7 +387,7 @@ func setStruct(fields []UniformBufferField, buf []byte, inputStruct any, maxFiel
if typeMatches {
setStructBytesWritten, setStructFieldsConsumed := setStruct(fields[fieldIndex+1:], buf, valField.Interface(), valField.NumField())
setStructBytesWritten, setStructFieldsConsumed := setStruct(fields[fieldIndex+1:], buf, valField.Interface(), valField.NumField(), true)
bytesWritten += setStructBytesWritten
fieldIndex += setStructFieldsConsumed
@ -407,7 +407,9 @@ func setStruct(fields []UniformBufferField, buf []byte, inputStruct any, maxFiel
return 0, fieldsConsumed
}
gl.BufferSubData(gl.UNIFORM_BUFFER, 0, bytesWritten, gl.Ptr(&buf[0]))
if !onlyBufWrite {
gl.BufferSubData(gl.UNIFORM_BUFFER, 0, bytesWritten, gl.Ptr(&buf[0]))
}
return bytesWritten - int(fields[0].AlignedOffset), fieldsConsumed
}

56
main.go
View File

@ -803,6 +803,18 @@ func testUbos() {
//
// Ubo3
//
type TestUBO3_Z struct {
V int32
}
type TestUBO3_Y struct {
V TestUBO3_Z
}
type TestUBO3_X struct {
V TestUBO3_Y
}
type TestUBO3_0 struct {
X int32
}
@ -814,9 +826,12 @@ func testUbos() {
}
type TestUBO3_2 struct {
F32 float32
S TestUBO3_1
XX int32
F32 float32
S TestUBO3_1
XX int32
Z2 TestUBO3_0
XX2 int32
Abcd TestUBO3_X
}
ubo3 := buffers.NewUniformBuffer([]buffers.UniformBufferFieldInput{
@ -829,13 +844,24 @@ func testUbos() {
}},
}},
{Id: 6, Type: buffers.DataTypeInt32}, // 04 64
}) // 68
{Id: 7, Type: buffers.DataTypeStruct, Subfields: []buffers.UniformBufferFieldInput{ // 00 80
{Id: 8, Type: buffers.DataTypeInt32}, // 04 80
}},
{Id: 9, Type: buffers.DataTypeInt32}, // 04 96
{Id: 10, Type: buffers.DataTypeStruct, Subfields: []buffers.UniformBufferFieldInput{ // 00 112
{Id: 11, Type: buffers.DataTypeStruct, Subfields: []buffers.UniformBufferFieldInput{ // 00 112
{Id: 12, Type: buffers.DataTypeStruct, Subfields: []buffers.UniformBufferFieldInput{ // 00 112
{Id: 13, Type: buffers.DataTypeInt32}, // 04 112
}},
}},
}},
}) // 116
ubo3.Bind()
ubo3.SetBindPoint(2)
groundMat.SetUniformBlockBindingPoint("Test2", 2)
fmt.Printf("\n==UBO3==\nSize=%d\nFields: %+v\n\n", ubo3.Size, ubo3.Fields)
fmt.Printf("\n==UBO3 (id=%d)==\nSize=%d\nFields: %+v\n\n", ubo3.Id, ubo3.Size, ubo3.Fields)
s3 := TestUBO3_2{
F32: 76.1,
@ -847,6 +873,17 @@ func testUbos() {
},
},
XX: 41,
Z2: TestUBO3_0{
X: 8,
},
XX2: 321,
Abcd: TestUBO3_X{
V: TestUBO3_Y{
V: TestUBO3_Z{
V: 9911,
},
},
},
}
ubo3.SetStruct(s3)
@ -856,13 +893,20 @@ func testUbos() {
ubo3SV3 := gglm.Vec3{}
ubo3SZeroX := 0
ubo3Xx := 0
ubo3SZ2X := 0
ubo3Xx2 := 0
ubo3AbcdV := 0
gl.GetBufferSubData(gl.UNIFORM_BUFFER, 0, 4, gl.Ptr(&ubo3F32))
gl.GetBufferSubData(gl.UNIFORM_BUFFER, 16, 4, gl.Ptr(&ubo3SF32))
gl.GetBufferSubData(gl.UNIFORM_BUFFER, 32, 16, gl.Ptr(&ubo3SV3.Data[0]))
gl.GetBufferSubData(gl.UNIFORM_BUFFER, 48, 4, gl.Ptr(&ubo3SZeroX))
gl.GetBufferSubData(gl.UNIFORM_BUFFER, 64, 4, gl.Ptr(&ubo3Xx))
gl.GetBufferSubData(gl.UNIFORM_BUFFER, 64, 4, gl.Ptr(&ubo3Xx))
gl.GetBufferSubData(gl.UNIFORM_BUFFER, 80, 4, gl.Ptr(&ubo3SZ2X))
gl.GetBufferSubData(gl.UNIFORM_BUFFER, 96, 4, gl.Ptr(&ubo3Xx2))
gl.GetBufferSubData(gl.UNIFORM_BUFFER, 112, 4, gl.Ptr(&ubo3AbcdV))
fmt.Printf("ubo3_f32=%f\nubo3_s_f32=%f\nubo3_s_v3=%s\nubo3_s_zero_x=%d\nubo3_xx=%d\n", ubo3F32, ubo3SF32, ubo3SV3.String(), ubo3SZeroX, ubo3Xx)
fmt.Printf("ubo3_f32=%f\nubo3_s_f32=%f\nubo3_s_v3=%s\nubo3_s_zero_x=%d\nubo3_xx=%d\nubo3_z2_x=%d\nubo3_xx2=%d\nubo3_abcd_v=%d\n", ubo3F32, ubo3SF32, ubo3SV3.String(), ubo3SZeroX, ubo3Xx, ubo3SZ2X, ubo3Xx2, ubo3AbcdV)
}
func (g *Game) initFbos() {