internal/graphicsdriver/opengl/gl: remove IsTexture

Updates #805

internal/graphicsdriver/opengl/context.go

@@ -275,9 +275,6 @@ func (c *context) framebufferPixelsToBuffer(f *framebuffer, buffer buffer, width
 }
 
 func (c *context) deleteTexture(t textureNative) {
-	if !c.ctx.IsTexture(uint32(t)) {
-		return
-	}
 	if c.lastTexture == t {
 		c.lastTexture = 0
 	}

internal/graphicsdriver/opengl/gl/debug.go

@@ -433,15 +433,6 @@ func (d *DebugContext) IsRenderbuffer(arg0 uint32) bool {
 	return out0
 }
 
-func (d *DebugContext) IsTexture(arg0 uint32) bool {
-	out0 := d.Context.IsTexture(arg0)
-	fmt.Fprintln(os.Stderr, "IsTexture")
-	if e := d.Context.GetError(); e != NO_ERROR {
-		panic(fmt.Sprintf("gl: GetError() returned %d at IsTexture", e))
-	}
-	return out0
-}
-
 func (d *DebugContext) LinkProgram(arg0 uint32) {
 	d.Context.LinkProgram(arg0)
 	fmt.Fprintln(os.Stderr, "LinkProgram")

internal/graphicsdriver/opengl/gl/default_cgo.go

@@ -212,10 +212,6 @@ package gl
 //   typedef GLboolean (*fn)(GLuint renderbuffer);
 //   return ((fn)(fnptr))(renderbuffer);
 // }
-// static GLboolean glowIsTexture(uintptr_t fnptr, GLuint texture) {
-//   typedef GLboolean (*fn)(GLuint texture);
-//   return ((fn)(fnptr))(texture);
-// }
 // static void glowLinkProgram(uintptr_t fnptr, GLuint program) {
 //   typedef void (*fn)(GLuint program);
 //   ((fn)(fnptr))(program);
@@ -376,7 +372,6 @@ type defaultContext struct {
 	gpIsFramebuffer            C.uintptr_t
 	gpIsProgram                C.uintptr_t
 	gpIsRenderbuffer           C.uintptr_t
-	gpIsTexture                C.uintptr_t
 	gpLinkProgram              C.uintptr_t
 	gpPixelStorei              C.uintptr_t
 	gpReadPixels               C.uintptr_t
@@ -653,11 +648,6 @@ func (c *defaultContext) IsRenderbuffer(renderbuffer uint32) bool {
 	return ret == TRUE
 }
 
-func (c *defaultContext) IsTexture(texture uint32) bool {
-	ret := C.glowIsTexture(c.gpIsTexture, C.GLuint(texture))
-	return ret == TRUE
-}
-
 func (c *defaultContext) LinkProgram(program uint32) {
 	C.glowLinkProgram(c.gpLinkProgram, C.GLuint(program))
 }
@@ -832,7 +822,6 @@ func (c *defaultContext) LoadFunctions() error {
 	c.gpIsFramebuffer = C.uintptr_t(g.get("glIsFramebuffer"))
 	c.gpIsProgram = C.uintptr_t(g.get("glIsProgram"))
 	c.gpIsRenderbuffer = C.uintptr_t(g.get("glIsRenderbuffer"))
-	c.gpIsTexture = C.uintptr_t(g.get("glIsTexture"))
 	c.gpLinkProgram = C.uintptr_t(g.get("glLinkProgram"))
 	c.gpPixelStorei = C.uintptr_t(g.get("glPixelStorei"))
 	c.gpReadPixels = C.uintptr_t(g.get("glReadPixels"))

internal/graphicsdriver/opengl/gl/default_js.go

@@ -70,7 +70,6 @@ type defaultContext struct {
 	fnIsFramebuffer            js.Value
 	fnIsProgram                js.Value
 	fnIsRenderbuffer           js.Value
-	fnIsTexture                js.Value
 	fnLinkProgram              js.Value
 	fnPixelStorei              js.Value
 	fnReadPixels               js.Value
@@ -201,7 +200,6 @@ func NewDefaultContext(v js.Value) (Context, error) {
 		fnIsFramebuffer:            v.Get("isFramebuffer").Call("bind", v),
 		fnIsProgram:                v.Get("isProgram").Call("bind", v),
 		fnIsRenderbuffer:           v.Get("isRenderbuffer").Call("bind", v),
-		fnIsTexture:                v.Get("isTexture").Call("bind", v),
 		fnLinkProgram:              v.Get("linkProgram").Call("bind", v),
 		fnPixelStorei:              v.Get("pixelStorei").Call("bind", v),
 		fnReadPixels:               v.Get("readPixels").Call("bind", v),
@@ -495,10 +493,6 @@ func (c *defaultContext) IsRenderbuffer(renderbuffer uint32) bool {
 	return c.fnIsRenderbuffer.Invoke(c.renderbuffers.get(renderbuffer)).Bool()
 }
 
-func (c *defaultContext) IsTexture(texture uint32) bool {
-	return c.fnIsTexture.Invoke(c.textures.get(texture)).Bool()
-}
-
 func (c *defaultContext) LinkProgram(program uint32) {
 	c.fnLinkProgram.Invoke(c.programs.get(program))
 }

internal/graphicsdriver/opengl/gl/default_purego.go

@@ -72,7 +72,6 @@ type defaultContext struct {
 	gpIsFramebuffer            uintptr
 	gpIsProgram                uintptr
 	gpIsRenderbuffer           uintptr
-	gpIsTexture                uintptr
 	gpLinkProgram              uintptr
 	gpPixelStorei              uintptr
 	gpReadPixels               uintptr
@@ -349,11 +348,6 @@ func (c *defaultContext) IsRenderbuffer(renderbuffer uint32) bool {
 	return byte(ret) != 0
 }
 
-func (c *defaultContext) IsTexture(texture uint32) bool {
-	ret, _, _ := purego.SyscallN(c.gpIsTexture, uintptr(texture))
-	return byte(ret) != 0
-}
-
 func (c *defaultContext) LinkProgram(program uint32) {
 	purego.SyscallN(c.gpLinkProgram, uintptr(program))
 }
@@ -528,7 +522,6 @@ func (c *defaultContext) LoadFunctions() error {
 	c.gpIsFramebuffer = g.get("glIsFramebuffer")
 	c.gpIsProgram = g.get("glIsProgram")
 	c.gpIsRenderbuffer = g.get("glIsRenderbuffer")
-	c.gpIsTexture = g.get("glIsTexture")
 	c.gpLinkProgram = g.get("glLinkProgram")
 	c.gpPixelStorei = g.get("glPixelStorei")
 	c.gpReadPixels = g.get("glReadPixels")

internal/graphicsdriver/opengl/gl/interface.go

@@ -75,7 +75,6 @@ type Context interface {
 	IsFramebuffer(framebuffer uint32) bool
 	IsProgram(program uint32) bool
 	IsRenderbuffer(renderbuffer uint32) bool
-	IsTexture(texture uint32) bool
 	LinkProgram(program uint32)
 	PixelStorei(pname uint32, param int32)
 	ReadPixels(dst []byte, x int32, y int32, width int32, height int32, format uint32, xtype uint32)