mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-12-25 19:28:57 +01:00
opengl: Bug fixed: there were some errors shadowed and not used
This commit is contained in:
parent
88fc32c070
commit
a04ce352f8
@ -81,30 +81,29 @@ func (c *Context) Loop() {
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}
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}
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}
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}
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func (c *Context) RunOnContextThread(f func()) {
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func (c *Context) RunOnContextThread(f func() error) error {
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ch := make(chan struct{})
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ch := make(chan struct{})
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var err error
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c.funcs <- func() {
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c.funcs <- func() {
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f()
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err = f()
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close(ch)
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close(ch)
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}
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}
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<-ch
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<-ch
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return
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return err
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}
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}
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func (c *Context) Init() error {
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func (c *Context) Init() error {
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var err error
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if err := c.RunOnContextThread(func() error {
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c.RunOnContextThread(func() {
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// This initialization must be done after Loop is called.
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// This initialization must be done after Loop is called.
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// This is why Init is separated from NewContext.
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// This is why Init is separated from NewContext.
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if err := gl.Init(); err != nil {
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if err := gl.Init(); err != nil {
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err = fmt.Errorf("opengl: initializing error %v", err)
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return fmt.Errorf("opengl: initializing error %v", err)
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return
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}
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}
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// Textures' pixel formats are alpha premultiplied.
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// Textures' pixel formats are alpha premultiplied.
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gl.Enable(gl.BLEND)
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gl.Enable(gl.BLEND)
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})
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return nil
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if err != nil {
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}); err != nil {
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return err
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return err
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}
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}
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c.BlendFunc(CompositeModeSourceOver)
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c.BlendFunc(CompositeModeSourceOver)
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@ -112,24 +111,25 @@ func (c *Context) Init() error {
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}
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}
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func (c *Context) BlendFunc(mode CompositeMode) {
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func (c *Context) BlendFunc(mode CompositeMode) {
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c.RunOnContextThread(func() {
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c.RunOnContextThread(func() error {
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if c.lastCompositeMode == mode {
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if c.lastCompositeMode == mode {
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return
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return nil
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}
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}
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c.lastCompositeMode = mode
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c.lastCompositeMode = mode
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s, d := c.operations(mode)
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s, d := c.operations(mode)
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gl.BlendFunc(uint32(s), uint32(d))
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gl.BlendFunc(uint32(s), uint32(d))
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return nil
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})
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})
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}
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}
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func (c *Context) NewTexture(width, height int, pixels []uint8, filter Filter) (texture Texture, err error) {
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func (c *Context) NewTexture(width, height int, pixels []uint8, filter Filter) (Texture, error) {
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c.RunOnContextThread(func() {
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var texture Texture
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if err := c.RunOnContextThread(func() error {
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var t uint32
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var t uint32
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gl.GenTextures(1, &t)
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gl.GenTextures(1, &t)
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// TOOD: Use gl.IsTexture
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// TOOD: Use gl.IsTexture
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if t <= 0 {
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if t <= 0 {
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err = errors.New("opengl: creating texture failed")
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return errors.New("opengl: creating texture failed")
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return
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}
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}
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gl.PixelStorei(gl.UNPACK_ALIGNMENT, 4)
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gl.PixelStorei(gl.UNPACK_ALIGNMENT, 4)
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gl.BindTexture(gl.TEXTURE_2D, t)
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gl.BindTexture(gl.TEXTURE_2D, t)
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@ -144,60 +144,68 @@ func (c *Context) NewTexture(width, height int, pixels []uint8, filter Filter) (
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gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RGBA, int32(width), int32(height), 0, gl.RGBA, gl.UNSIGNED_BYTE, gl.Ptr(p))
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gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RGBA, int32(width), int32(height), 0, gl.RGBA, gl.UNSIGNED_BYTE, gl.Ptr(p))
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texture = Texture(t)
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texture = Texture(t)
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return
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return nil
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})
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}); err != nil {
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return
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return 0, err
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}
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return texture, nil
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}
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}
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func (c *Context) FramebufferPixels(f Framebuffer, width, height int) (pixels []uint8, err error) {
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func (c *Context) FramebufferPixels(f Framebuffer, width, height int) ([]uint8, error) {
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c.RunOnContextThread(func() {
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var pixels []uint8
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if err := c.RunOnContextThread(func() error {
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gl.Flush()
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gl.Flush()
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gl.BindFramebuffer(gl.FRAMEBUFFER, uint32(f))
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gl.BindFramebuffer(gl.FRAMEBUFFER, uint32(f))
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pixels = make([]uint8, 4*width*height)
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pixels = make([]uint8, 4*width*height)
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gl.ReadPixels(0, 0, int32(width), int32(height), gl.RGBA, gl.UNSIGNED_BYTE, gl.Ptr(pixels))
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gl.ReadPixels(0, 0, int32(width), int32(height), gl.RGBA, gl.UNSIGNED_BYTE, gl.Ptr(pixels))
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if e := gl.GetError(); e != gl.NO_ERROR {
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if e := gl.GetError(); e != gl.NO_ERROR {
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pixels = nil
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pixels = nil
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err = fmt.Errorf("opengl: glReadPixels: %d", e)
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return fmt.Errorf("opengl: glReadPixels: %d", e)
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return
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}
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}
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return
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return nil
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})
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}); err != nil {
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return
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return nil, err
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}
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return pixels, nil
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}
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}
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func (c *Context) BindTexture(t Texture) {
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func (c *Context) BindTexture(t Texture) {
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c.RunOnContextThread(func() {
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c.RunOnContextThread(func() error {
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gl.BindTexture(gl.TEXTURE_2D, uint32(t))
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gl.BindTexture(gl.TEXTURE_2D, uint32(t))
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return nil
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})
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})
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}
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}
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func (c *Context) DeleteTexture(t Texture) {
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func (c *Context) DeleteTexture(t Texture) {
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c.RunOnContextThread(func() {
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c.RunOnContextThread(func() error {
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tt := uint32(t)
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tt := uint32(t)
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gl.DeleteTextures(1, &tt)
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gl.DeleteTextures(1, &tt)
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return nil
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})
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})
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}
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}
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func (c *Context) TexSubImage2D(p []uint8, width, height int) {
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func (c *Context) TexSubImage2D(p []uint8, width, height int) {
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c.RunOnContextThread(func() {
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c.RunOnContextThread(func() error {
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gl.TexSubImage2D(gl.TEXTURE_2D, 0, 0, 0, int32(width), int32(height), gl.RGBA, gl.UNSIGNED_BYTE, gl.Ptr(p))
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gl.TexSubImage2D(gl.TEXTURE_2D, 0, 0, 0, int32(width), int32(height), gl.RGBA, gl.UNSIGNED_BYTE, gl.Ptr(p))
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return nil
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})
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})
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}
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}
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func (c *Context) BindZeroFramebuffer() {
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func (c *Context) BindZeroFramebuffer() {
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c.RunOnContextThread(func() {
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c.RunOnContextThread(func() error {
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gl.BindFramebuffer(gl.FRAMEBUFFER, uint32(ZeroFramebuffer))
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gl.BindFramebuffer(gl.FRAMEBUFFER, uint32(ZeroFramebuffer))
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return nil
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})
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})
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}
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}
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func (c *Context) NewFramebuffer(texture Texture) (framebuffer Framebuffer, err error) {
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func (c *Context) NewFramebuffer(texture Texture) (Framebuffer, error) {
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c.RunOnContextThread(func() {
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var framebuffer Framebuffer
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if err := c.RunOnContextThread(func() error {
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var f uint32
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var f uint32
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gl.GenFramebuffers(1, &f)
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gl.GenFramebuffers(1, &f)
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// TODO: Use gl.IsFramebuffer
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// TODO: Use gl.IsFramebuffer
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if f <= 0 {
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if f <= 0 {
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err = errors.New("opengl: creating framebuffer failed: gl.IsFramebuffer returns false")
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return errors.New("opengl: creating framebuffer failed: gl.IsFramebuffer returns false")
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return
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}
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}
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gl.BindFramebuffer(gl.FRAMEBUFFER, f)
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gl.BindFramebuffer(gl.FRAMEBUFFER, f)
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@ -205,62 +213,58 @@ func (c *Context) NewFramebuffer(texture Texture) (framebuffer Framebuffer, err
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s := gl.CheckFramebufferStatus(gl.FRAMEBUFFER)
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s := gl.CheckFramebufferStatus(gl.FRAMEBUFFER)
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if s != gl.FRAMEBUFFER_COMPLETE {
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if s != gl.FRAMEBUFFER_COMPLETE {
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if s != 0 {
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if s != 0 {
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err = fmt.Errorf("opengl: creating framebuffer failed: %v", s)
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return fmt.Errorf("opengl: creating framebuffer failed: %v", s)
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return
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}
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}
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if e := gl.GetError(); e != gl.NO_ERROR {
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if e := gl.GetError(); e != gl.NO_ERROR {
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err = fmt.Errorf("opengl: creating framebuffer failed: (glGetError) %d", e)
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return fmt.Errorf("opengl: creating framebuffer failed: (glGetError) %d", e)
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return
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}
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}
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err = fmt.Errorf("opengl: creating framebuffer failed: unknown error")
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return fmt.Errorf("opengl: creating framebuffer failed: unknown error")
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return
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}
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}
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framebuffer = Framebuffer(f)
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framebuffer = Framebuffer(f)
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return
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return nil
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})
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}); err != nil {
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return
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return 0, err
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}
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return framebuffer, nil
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}
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}
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func (c *Context) SetViewport(f Framebuffer, width, height int) (err error) {
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func (c *Context) SetViewport(f Framebuffer, width, height int) error {
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c.RunOnContextThread(func() {
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return c.RunOnContextThread(func() error {
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gl.Flush()
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gl.Flush()
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gl.BindFramebuffer(gl.FRAMEBUFFER, uint32(f))
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gl.BindFramebuffer(gl.FRAMEBUFFER, uint32(f))
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if st := gl.CheckFramebufferStatus(gl.FRAMEBUFFER); st != gl.FRAMEBUFFER_COMPLETE {
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if st := gl.CheckFramebufferStatus(gl.FRAMEBUFFER); st != gl.FRAMEBUFFER_COMPLETE {
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if e := gl.GetError(); e != 0 {
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if e := gl.GetError(); e != 0 {
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err = fmt.Errorf("opengl: glBindFramebuffer failed: %d", e)
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return fmt.Errorf("opengl: glBindFramebuffer failed: %d", e)
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return
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}
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}
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err = errors.New("opengl: glBindFramebuffer failed: the context is different?")
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return errors.New("opengl: glBindFramebuffer failed: the context is different?")
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return
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}
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}
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gl.Viewport(0, 0, int32(width), int32(height))
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gl.Viewport(0, 0, int32(width), int32(height))
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return
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return nil
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})
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})
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return
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}
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}
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func (c *Context) FillFramebuffer(r, g, b, a float64) error {
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func (c *Context) FillFramebuffer(r, g, b, a float64) error {
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c.RunOnContextThread(func() {
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return c.RunOnContextThread(func() error {
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gl.ClearColor(float32(r), float32(g), float32(b), float32(a))
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gl.ClearColor(float32(r), float32(g), float32(b), float32(a))
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gl.Clear(gl.COLOR_BUFFER_BIT)
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gl.Clear(gl.COLOR_BUFFER_BIT)
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return
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})
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return nil
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return nil
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})
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}
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}
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func (c *Context) DeleteFramebuffer(f Framebuffer) {
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func (c *Context) DeleteFramebuffer(f Framebuffer) {
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c.RunOnContextThread(func() {
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c.RunOnContextThread(func() error {
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ff := uint32(f)
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ff := uint32(f)
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gl.DeleteFramebuffers(1, &ff)
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gl.DeleteFramebuffers(1, &ff)
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return nil
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})
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})
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}
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}
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func (c *Context) NewShader(shaderType ShaderType, source string) (shader Shader, err error) {
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func (c *Context) NewShader(shaderType ShaderType, source string) (Shader, error) {
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c.RunOnContextThread(func() {
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var shader Shader
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if err := c.RunOnContextThread(func() error {
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s := gl.CreateShader(uint32(shaderType))
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s := gl.CreateShader(uint32(shaderType))
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if s == 0 {
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if s == 0 {
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err = errors.New("opengl: glCreateShader failed")
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return errors.New("opengl: glCreateShader failed")
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return
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}
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}
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cSources, free := gl.Strs(source + "\x00")
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cSources, free := gl.Strs(source + "\x00")
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gl.ShaderSource(uint32(s), 1, cSources, nil)
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gl.ShaderSource(uint32(s), 1, cSources, nil)
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@ -276,18 +280,20 @@ func (c *Context) NewShader(shaderType ShaderType, source string) (shader Shader
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log = make([]uint8, int(v))
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log = make([]uint8, int(v))
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gl.GetShaderInfoLog(uint32(s), v, nil, (*uint8)(gl.Ptr(log)))
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gl.GetShaderInfoLog(uint32(s), v, nil, (*uint8)(gl.Ptr(log)))
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}
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}
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err = fmt.Errorf("opengl: shader compile failed: %s", log)
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return fmt.Errorf("opengl: shader compile failed: %s", log)
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return
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}
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}
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shader = Shader(s)
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shader = Shader(s)
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return
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return nil
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})
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}); err != nil {
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return
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return 0, err
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}
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return shader, nil
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}
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}
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func (c *Context) DeleteShader(s Shader) {
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func (c *Context) DeleteShader(s Shader) {
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c.RunOnContextThread(func() {
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c.RunOnContextThread(func() error {
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gl.DeleteShader(uint32(s))
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gl.DeleteShader(uint32(s))
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return nil
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})
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})
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}
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}
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@ -295,12 +301,12 @@ func (c *Context) GlslHighpSupported() bool {
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return false
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return false
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}
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}
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func (c *Context) NewProgram(shaders []Shader) (program Program, err error) {
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func (c *Context) NewProgram(shaders []Shader) (Program, error) {
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c.RunOnContextThread(func() {
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var program Program
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if err := c.RunOnContextThread(func() error {
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p := gl.CreateProgram()
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p := gl.CreateProgram()
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if p == 0 {
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if p == 0 {
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err = errors.New("opengl: glCreateProgram failed")
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return errors.New("opengl: glCreateProgram failed")
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return
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}
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}
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for _, shader := range shaders {
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for _, shader := range shaders {
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@ -310,18 +316,20 @@ func (c *Context) NewProgram(shaders []Shader) (program Program, err error) {
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var v int32
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var v int32
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gl.GetProgramiv(p, gl.LINK_STATUS, &v)
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gl.GetProgramiv(p, gl.LINK_STATUS, &v)
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if v == gl.FALSE {
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if v == gl.FALSE {
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err = errors.New("opengl: program error")
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return errors.New("opengl: program error")
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return
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}
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}
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program = Program(p)
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program = Program(p)
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return
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return nil
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})
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}); err != nil {
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return
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return 0, err
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}
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return program, nil
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}
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}
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func (c *Context) UseProgram(p Program) {
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func (c *Context) UseProgram(p Program) {
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c.RunOnContextThread(func() {
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c.RunOnContextThread(func() error {
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gl.UseProgram(uint32(p))
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gl.UseProgram(uint32(p))
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return nil
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})
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})
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}
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}
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@ -334,14 +342,15 @@ func (c *Context) getUniformLocation(p Program, location string) uniformLocation
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}
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}
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func (c *Context) UniformInt(p Program, location string, v int) {
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func (c *Context) UniformInt(p Program, location string, v int) {
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c.RunOnContextThread(func() {
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c.RunOnContextThread(func() error {
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l := int32(c.locationCache.GetUniformLocation(c, p, location))
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l := int32(c.locationCache.GetUniformLocation(c, p, location))
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gl.Uniform1i(l, int32(v))
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gl.Uniform1i(l, int32(v))
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return nil
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})
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})
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}
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}
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func (c *Context) UniformFloats(p Program, location string, v []float32) {
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func (c *Context) UniformFloats(p Program, location string, v []float32) {
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c.RunOnContextThread(func() {
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c.RunOnContextThread(func() error {
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l := int32(c.locationCache.GetUniformLocation(c, p, location))
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l := int32(c.locationCache.GetUniformLocation(c, p, location))
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switch len(v) {
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switch len(v) {
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case 4:
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case 4:
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@ -351,6 +360,7 @@ func (c *Context) UniformFloats(p Program, location string, v []float32) {
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default:
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default:
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panic("not reach")
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panic("not reach")
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}
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}
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return nil
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})
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})
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}
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}
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@ -363,28 +373,32 @@ func (c *Context) getAttribLocation(p Program, location string) attribLocation {
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}
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}
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func (c *Context) VertexAttribPointer(p Program, location string, normalize bool, stride int, size int, v int) {
|
func (c *Context) VertexAttribPointer(p Program, location string, normalize bool, stride int, size int, v int) {
|
||||||
c.RunOnContextThread(func() {
|
c.RunOnContextThread(func() error {
|
||||||
l := c.locationCache.GetAttribLocation(c, p, location)
|
l := c.locationCache.GetAttribLocation(c, p, location)
|
||||||
gl.VertexAttribPointer(uint32(l), int32(size), gl.SHORT, normalize, int32(stride), gl.PtrOffset(v))
|
gl.VertexAttribPointer(uint32(l), int32(size), gl.SHORT, normalize, int32(stride), gl.PtrOffset(v))
|
||||||
|
return nil
|
||||||
})
|
})
|
||||||
}
|
}
|
||||||
|
|
||||||
func (c *Context) EnableVertexAttribArray(p Program, location string) {
|
func (c *Context) EnableVertexAttribArray(p Program, location string) {
|
||||||
c.RunOnContextThread(func() {
|
c.RunOnContextThread(func() error {
|
||||||
l := c.locationCache.GetAttribLocation(c, p, location)
|
l := c.locationCache.GetAttribLocation(c, p, location)
|
||||||
gl.EnableVertexAttribArray(uint32(l))
|
gl.EnableVertexAttribArray(uint32(l))
|
||||||
|
return nil
|
||||||
})
|
})
|
||||||
}
|
}
|
||||||
|
|
||||||
func (c *Context) DisableVertexAttribArray(p Program, location string) {
|
func (c *Context) DisableVertexAttribArray(p Program, location string) {
|
||||||
c.RunOnContextThread(func() {
|
c.RunOnContextThread(func() error {
|
||||||
l := c.locationCache.GetAttribLocation(c, p, location)
|
l := c.locationCache.GetAttribLocation(c, p, location)
|
||||||
gl.DisableVertexAttribArray(uint32(l))
|
gl.DisableVertexAttribArray(uint32(l))
|
||||||
|
return nil
|
||||||
})
|
})
|
||||||
}
|
}
|
||||||
|
|
||||||
func (c *Context) NewBuffer(bufferType BufferType, v interface{}, bufferUsage BufferUsage) (buffer Buffer) {
|
func (c *Context) NewBuffer(bufferType BufferType, v interface{}, bufferUsage BufferUsage) Buffer {
|
||||||
c.RunOnContextThread(func() {
|
var buffer Buffer
|
||||||
|
c.RunOnContextThread(func() error {
|
||||||
var b uint32
|
var b uint32
|
||||||
gl.GenBuffers(1, &b)
|
gl.GenBuffers(1, &b)
|
||||||
gl.BindBuffer(uint32(bufferType), b)
|
gl.BindBuffer(uint32(bufferType), b)
|
||||||
@ -397,25 +411,28 @@ func (c *Context) NewBuffer(bufferType BufferType, v interface{}, bufferUsage Bu
|
|||||||
panic("not reach")
|
panic("not reach")
|
||||||
}
|
}
|
||||||
buffer = Buffer(b)
|
buffer = Buffer(b)
|
||||||
return
|
return nil
|
||||||
})
|
})
|
||||||
return
|
return buffer
|
||||||
}
|
}
|
||||||
|
|
||||||
func (c *Context) BindElementArrayBuffer(b Buffer) {
|
func (c *Context) BindElementArrayBuffer(b Buffer) {
|
||||||
c.RunOnContextThread(func() {
|
c.RunOnContextThread(func() error {
|
||||||
gl.BindBuffer(gl.ELEMENT_ARRAY_BUFFER, uint32(b))
|
gl.BindBuffer(gl.ELEMENT_ARRAY_BUFFER, uint32(b))
|
||||||
|
return nil
|
||||||
})
|
})
|
||||||
}
|
}
|
||||||
|
|
||||||
func (c *Context) BufferSubData(bufferType BufferType, data []int16) {
|
func (c *Context) BufferSubData(bufferType BufferType, data []int16) {
|
||||||
c.RunOnContextThread(func() {
|
c.RunOnContextThread(func() error {
|
||||||
gl.BufferSubData(uint32(bufferType), 0, 2*len(data), gl.Ptr(data))
|
gl.BufferSubData(uint32(bufferType), 0, 2*len(data), gl.Ptr(data))
|
||||||
|
return nil
|
||||||
})
|
})
|
||||||
}
|
}
|
||||||
|
|
||||||
func (c *Context) DrawElements(mode Mode, len int) {
|
func (c *Context) DrawElements(mode Mode, len int) {
|
||||||
c.RunOnContextThread(func() {
|
c.RunOnContextThread(func() error {
|
||||||
gl.DrawElements(uint32(mode), int32(len), gl.UNSIGNED_SHORT, gl.PtrOffset(0))
|
gl.DrawElements(uint32(mode), int32(len), gl.UNSIGNED_SHORT, gl.PtrOffset(0))
|
||||||
|
return nil
|
||||||
})
|
})
|
||||||
}
|
}
|
||||||
|
@ -239,8 +239,9 @@ func (u *UserInterface) SwapBuffers() {
|
|||||||
func (u *UserInterface) swapBuffers() {
|
func (u *UserInterface) swapBuffers() {
|
||||||
// The bound framebuffer must be the default one (0) before swapping buffers.
|
// The bound framebuffer must be the default one (0) before swapping buffers.
|
||||||
u.context.BindZeroFramebuffer()
|
u.context.BindZeroFramebuffer()
|
||||||
u.context.RunOnContextThread(func() {
|
u.context.RunOnContextThread(func() error {
|
||||||
u.window.SwapBuffers()
|
u.window.SwapBuffers()
|
||||||
|
return nil
|
||||||
})
|
})
|
||||||
}
|
}
|
||||||
|
|
||||||
|
Loading…
Reference in New Issue
Block a user