Merge pull request #5559 from Jacalz/windows-mobile-workaround

internal/driver/mobile/gl/work_windows.go

@@ -5,7 +5,6 @@
 package gl
 
 import (
-	"runtime"
 	"syscall"
 	"unsafe"
 )
@@ -92,22 +91,6 @@ func (ctx *context) cStringPtr(str string) (uintptr, func()) {
 	return uintptr(ret), func() { sfree(); delete(ctx.cStrings, id) }
 }
 
-// fixFloat copies the first four arguments into the XMM registers.
-// This is for the windows/amd64 calling convention, that wants
-// floating point arguments to be passed in XMM.
-//
-// Mercifully, type information is not required to implement
-// this calling convention. In particular see the mixed int/float
-// examples:
-//
-//	https://msdn.microsoft.com/en-us/library/zthk2dkh.aspx
-//
-// This means it could be fixed in syscall.Syscall. The relevant
-// issue is
-//
-//	https://golang.org/issue/6510
-func fixFloat(x0, x1, x2, x3 uintptr)
-
 var glfnMap = map[glfn]func(c call) (ret uintptr){
 	glfnActiveTexture: func(c call) (ret uintptr) {
 		syscall.Syscall(glActiveTexture.Addr(), 1, c.args.a0, 0, 0)
@@ -292,10 +275,6 @@ var glfnMap = map[glfn]func(c call) (ret uintptr){
 }
 
 func (ctx *context) doWork(c call) (ret uintptr) {
-	if runtime.GOARCH == "amd64" {
-		fixFloat(c.args.a0, c.args.a1, c.args.a2, c.args.a3)
-	}
-
 	if f, ok := glfnMap[c.args.fn]; ok {
 		return f(c)
 	}