mirror of
https://github.com/hajimehoshi/ebiten.git
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graphicsdriver/opengl: Refactoring: remove ensureGL
This commit is contained in:
Hajime Hoshi
parent
dd46221968
commit
ddc8115b51
@ -102,13 +102,15 @@ type contextImpl struct {
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lastProgramID programID
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}
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func (c *context) ensureGL() {
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if !jsutil.Equal(c.gl, js.Value{}) {
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return
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}
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func (c *context) initGL() {
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c.gl = js.Value{}
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// TODO: Define id?
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canvas := js.Global().Get("document").Call("querySelector", "canvas")
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doc := js.Global().Get("document")
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if !doc.Truthy() {
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return
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}
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canvas := doc.Call("querySelector", "canvas")
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attr := js.Global().Get("Object").New()
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attr.Set("alpha", true)
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attr.Set("premultipliedAlpha", true)
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@ -137,8 +139,8 @@ func (c *context) reset() error {
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c.lastViewportHeight = 0
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c.lastCompositeMode = driver.CompositeModeUnknown
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c.gl = js.Value{}
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c.ensureGL()
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c.initGL()
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if c.gl.Call("isContextLost").Bool() {
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return driver.GraphicsNotReady
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}
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@ -162,7 +164,6 @@ func (c *context) blendFunc(mode driver.CompositeMode) {
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c.lastCompositeMode = mode
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s, d := mode.Operations()
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s2, d2 := convertOperation(s), convertOperation(d)
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c.ensureGL()
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gl := c.gl
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gl.Call("blendFunc", int(s2), int(d2))
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}
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@ -173,7 +174,6 @@ func (c *context) scissor(x, y, width, height int) {
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}
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func (c *context) newTexture(width, height int) (textureNative, error) {
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c.ensureGL()
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gl := c.gl
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t := gl.Call("createTexture")
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if jsutil.Equal(t, js.Null()) {
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@ -200,13 +200,11 @@ func (c *context) newTexture(width, height int) (textureNative, error) {
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}
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func (c *context) bindFramebufferImpl(f framebufferNative) {
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c.ensureGL()
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gl := c.gl
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gl.Call("bindFramebuffer", gles.FRAMEBUFFER, js.Value(f))
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}
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func (c *context) framebufferPixels(f *framebuffer, width, height int) []byte {
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c.ensureGL()
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gl := c.gl
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c.bindFramebuffer(f.native)
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@ -218,7 +216,6 @@ func (c *context) framebufferPixels(f *framebuffer, width, height int) []byte {
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}
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func (c *context) framebufferPixelsToBuffer(f *framebuffer, buffer buffer, width, height int) {
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c.ensureGL()
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gl := c.gl
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c.bindFramebuffer(f.native)
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@ -229,19 +226,16 @@ func (c *context) framebufferPixelsToBuffer(f *framebuffer, buffer buffer, width
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}
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func (c *context) activeTexture(idx int) {
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c.ensureGL()
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gl := c.gl
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gl.Call("activeTexture", gles.TEXTURE0+idx)
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}
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func (c *context) bindTextureImpl(t textureNative) {
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c.ensureGL()
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gl := c.gl
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gl.Call("bindTexture", gles.TEXTURE_2D, js.Value(t))
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}
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func (c *context) deleteTexture(t textureNative) {
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c.ensureGL()
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gl := c.gl
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if !gl.Call("isTexture", js.Value(t)).Bool() {
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return
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@ -258,7 +252,6 @@ func (c *context) isTexture(t textureNative) bool {
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}
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func (c *context) newFramebuffer(t textureNative) (framebufferNative, error) {
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c.ensureGL()
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gl := c.gl
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f := gl.Call("createFramebuffer")
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c.bindFramebuffer(framebufferNative(f))
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@ -272,13 +265,11 @@ func (c *context) newFramebuffer(t textureNative) (framebufferNative, error) {
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}
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func (c *context) setViewportImpl(width, height int) {
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c.ensureGL()
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gl := c.gl
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gl.Call("viewport", 0, 0, width, height)
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}
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func (c *context) deleteFramebuffer(f framebufferNative) {
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c.ensureGL()
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gl := c.gl
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if !gl.Call("isFramebuffer", js.Value(f)).Bool() {
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return
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@ -295,7 +286,6 @@ func (c *context) deleteFramebuffer(f framebufferNative) {
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}
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func (c *context) newShader(shaderType shaderType, source string) (shader, error) {
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c.ensureGL()
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gl := c.gl
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s := gl.Call("createShader", int(shaderType))
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if jsutil.Equal(s, js.Null()) {
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@ -313,13 +303,11 @@ func (c *context) newShader(shaderType shaderType, source string) (shader, error
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}
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func (c *context) deleteShader(s shader) {
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c.ensureGL()
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gl := c.gl
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gl.Call("deleteShader", js.Value(s))
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}
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func (c *context) newProgram(shaders []shader, attributes []string) (program, error) {
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c.ensureGL()
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gl := c.gl
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v := gl.Call("createProgram")
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if jsutil.Equal(v, js.Null()) {
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@ -349,13 +337,11 @@ func (c *context) newProgram(shaders []shader, attributes []string) (program, er
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}
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func (c *context) useProgram(p program) {
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c.ensureGL()
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gl := c.gl
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gl.Call("useProgram", p.value)
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}
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func (c *context) deleteProgram(p program) {
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c.ensureGL()
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gl := c.gl
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if !gl.Call("isProgram", p.value).Bool() {
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return
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@ -364,13 +350,11 @@ func (c *context) deleteProgram(p program) {
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}
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func (c *context) getUniformLocationImpl(p program, location string) uniformLocation {
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c.ensureGL()
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gl := c.gl
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return uniformLocation(gl.Call("getUniformLocation", p.value, location))
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}
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func (c *context) uniformInt(p program, location string, v int) bool {
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c.ensureGL()
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gl := c.gl
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l := c.locationCache.GetUniformLocation(c, p, location)
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if l.equal(invalidUniform) {
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@ -381,7 +365,6 @@ func (c *context) uniformInt(p program, location string, v int) bool {
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}
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func (c *context) uniformFloat(p program, location string, v float32) bool {
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c.ensureGL()
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gl := c.gl
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l := c.locationCache.GetUniformLocation(c, p, location)
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if l.equal(invalidUniform) {
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@ -392,7 +375,6 @@ func (c *context) uniformFloat(p program, location string, v float32) bool {
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}
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func (c *context) uniformFloats(p program, location string, v []float32, typ shaderir.Type) bool {
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c.ensureGL()
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gl := c.gl
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l := c.locationCache.GetUniformLocation(c, p, location)
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if l.equal(invalidUniform) {
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@ -431,25 +413,21 @@ func (c *context) uniformFloats(p program, location string, v []float32, typ sha
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}
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func (c *context) vertexAttribPointer(p program, index int, size int, dataType dataType, stride int, offset int) {
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c.ensureGL()
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gl := c.gl
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gl.Call("vertexAttribPointer", index, size, int(dataType), false, stride, offset)
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}
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func (c *context) enableVertexAttribArray(p program, index int) {
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c.ensureGL()
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gl := c.gl
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gl.Call("enableVertexAttribArray", index)
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}
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func (c *context) disableVertexAttribArray(p program, index int) {
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c.ensureGL()
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gl := c.gl
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gl.Call("disableVertexAttribArray", index)
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}
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func (c *context) newArrayBuffer(size int) buffer {
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c.ensureGL()
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gl := c.gl
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b := gl.Call("createBuffer")
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gl.Call("bindBuffer", int(arrayBuffer), js.Value(b))
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@ -458,7 +436,6 @@ func (c *context) newArrayBuffer(size int) buffer {
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}
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func (c *context) newElementArrayBuffer(size int) buffer {
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c.ensureGL()
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gl := c.gl
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b := gl.Call("createBuffer")
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gl.Call("bindBuffer", int(elementArrayBuffer), js.Value(b))
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@ -467,13 +444,11 @@ func (c *context) newElementArrayBuffer(size int) buffer {
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}
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func (c *context) bindBuffer(bufferType bufferType, b buffer) {
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c.ensureGL()
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gl := c.gl
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gl.Call("bindBuffer", int(bufferType), js.Value(b))
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}
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func (c *context) arrayBufferSubData(data []float32) {
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c.ensureGL()
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gl := c.gl
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arr8 := jsutil.TemporaryUint8Array(len(data) * 4)
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arr := js.Global().Get("Float32Array").New(arr8.Get("buffer"), arr8.Get("byteOffset"), len(data))
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@ -482,7 +457,6 @@ func (c *context) arrayBufferSubData(data []float32) {
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}
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func (c *context) elementArrayBufferSubData(data []uint16) {
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c.ensureGL()
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gl := c.gl
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arr8 := jsutil.TemporaryUint8Array(len(data) * 2)
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arr := js.Global().Get("Uint16Array").New(arr8.Get("buffer"), arr8.Get("byteOffset"), len(data))
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@ -491,31 +465,26 @@ func (c *context) elementArrayBufferSubData(data []uint16) {
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}
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func (c *context) deleteBuffer(b buffer) {
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c.ensureGL()
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gl := c.gl
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gl.Call("deleteBuffer", js.Value(b))
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}
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func (c *context) drawElements(len int, offsetInBytes int) {
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c.ensureGL()
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gl := c.gl
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gl.Call("drawElements", gles.TRIANGLES, len, gles.UNSIGNED_SHORT, offsetInBytes)
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}
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func (c *context) maxTextureSizeImpl() int {
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c.ensureGL()
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gl := c.gl
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return gl.Call("getParameter", gles.MAX_TEXTURE_SIZE).Int()
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}
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func (c *context) getShaderPrecisionFormatPrecision() int {
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c.ensureGL()
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gl := c.gl
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return gl.Call("getShaderPrecisionFormat", js.ValueOf(int(fragmentShader)), gles.HIGH_FLOAT).Get("precision").Int()
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}
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func (c *context) flush() {
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c.ensureGL()
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gl := c.gl
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gl.Call("flush")
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}
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@ -529,7 +498,6 @@ func (c *context) canUsePBO() bool {
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}
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func (c *context) texSubImage2D(t textureNative, width, height int, args []*driver.ReplacePixelsArgs) {
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c.ensureGL()
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c.bindTexture(t)
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gl := c.gl
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// void texSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset,
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@ -543,7 +511,6 @@ func (c *context) texSubImage2D(t textureNative, width, height int, args []*driv
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}
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func (c *context) newPixelBufferObject(width, height int) buffer {
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c.ensureGL()
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gl := c.gl
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b := gl.Call("createBuffer")
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gl.Call("bindBuffer", int(pixelUnpackBuffer), js.Value(b))
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@ -553,7 +520,6 @@ func (c *context) newPixelBufferObject(width, height int) buffer {
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}
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func (c *context) replacePixelsWithPBO(buffer buffer, t textureNative, width, height int, args []*driver.ReplacePixelsArgs) {
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c.ensureGL()
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c.bindTexture(t)
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gl := c.gl
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gl.Call("bindBuffer", int(pixelUnpackBuffer), js.Value(buffer))
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