UnrealXR/raylib-go
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Merge pull request #344 from shellfu/Issue-343

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Add Compute Shader and SSBO Functions to raylib-go
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Milan Nikolic 2024-01-22 14:23:02 +01:00 • committed by GitHub
commit 5cc3226b35
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1 changed files with 55 additions and 0 deletions
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55
raylib/rlgl_cgo.go
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@ -667,6 +667,12 @@ func SetUniformSampler(locIndex int32, textureId uint32) {
C.rlSetUniformSampler(clocIndex, ctextureId)
}
// LoadComputeShaderProgram -
func LoadComputeShaderProgram(shaderID uint) uint {
cshaderID := C.uint(shaderID)
return uint(C.rlLoadComputeShaderProgram(cshaderID))
}
// ComputeShaderDispatch - Dispatch compute shader (equivalent to *draw* for graphics pilepine)
func ComputeShaderDispatch(groupX uint32, groupY uint32, groupZ uint32) {
cgroupX := C.uint(groupX)
@ -675,6 +681,55 @@ func ComputeShaderDispatch(groupX uint32, groupY uint32, groupZ uint32) {
C.rlComputeShaderDispatch(cgroupX, cgroupY, cgroupZ)
}
// LoadShaderBuffer - Load shader storage buffer object (SSBO)
func LoadShaderBuffer(size uint32, data unsafe.Pointer, usageHint int32) uint32 {
csize := C.uint(size)
cdata := data
cusageHint := C.int(usageHint)
return uint32(C.rlLoadShaderBuffer(csize, cdata, cusageHint))
}
// UnloadShaderBuffer - Unload shader storage buffer object (SSBO)
func UnloadShaderBuffer(id uint32) {
cid := C.uint(id)
C.rlUnloadShaderBuffer(cid)
}
// UpdateShaderBuffer - Update SSBO buffer data
func UpdateShaderBuffer(id uint32, data unsafe.Pointer, dataSize uint32, offset uint32) {
cid := C.uint(id)
cdata := data
cdataSize := C.uint(dataSize)
coffset := C.uint(offset)
C.rlUpdateShaderBuffer(cid, cdata, cdataSize, coffset)
}
// BindShaderBuffer - Bind SSBO buffer
func BindShaderBuffer(id uint32, index uint32) {
cid := C.uint(id)
cindex := C.uint(index)
C.rlBindShaderBuffer(cid, cindex)
}
// ReadShaderBuffer - Read SSBO buffer data (GPU->CPU)
func ReadShaderBuffer(id uint32, dest unsafe.Pointer, count uint32, offset uint32) {
cid := C.uint(id)
cdest := dest
ccount := C.uint(count)
coffset := C.uint(offset)
C.rlReadShaderBuffer(cid, cdest, ccount, coffset)
}
// CopyShaderBuffer - Copy SSBO data between buffers
func CopyShaderBuffer(destId uint32, srcId uint32, destOffset uint32, srcOffset uint32, count uint32) {
cdestId := C.uint(destId)
csrcId := C.uint(srcId)
cdestOffset := C.uint(destOffset)
csrcOffset := C.uint(srcOffset)
ccount := C.uint(count)
C.rlCopyShaderBuffer(cdestId, csrcId, cdestOffset, csrcOffset, ccount)
}
// GetShaderBufferSize - Get SSBO buffer size
func GetShaderBufferSize(id uint32) uint32 {
cid := C.uint(id)