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graphicsdriver/opengl: Reduce calls of glBindTexture

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This commit is contained in:
Hajime Hoshi 2020-01-01 01:39:45 +09:00
parent 8285fbfac9
commit 815afe6670
2 changed files with 5 additions and 5 deletions
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6
internal/graphicsdriver/opengl/context_desktop.go
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@ -548,8 +548,7 @@ func (c *context) newPixelBufferObject(width, height int) buffer {
return bf return bf
} }
func (c *context) mapPixelBuffer(buffer buffer, t textureNative) uintptr { func (c *context) mapPixelBuffer(buffer buffer) uintptr {
c.bindTexture(t)
var ptr uintptr var ptr uintptr
_ = c.t.Call(func() error { _ = c.t.Call(func() error {
gl.BindBuffer(gl.PIXEL_UNPACK_BUFFER, uint32(buffer)) gl.BindBuffer(gl.PIXEL_UNPACK_BUFFER, uint32(buffer))
@ -561,7 +560,8 @@ func (c *context) mapPixelBuffer(buffer buffer, t textureNative) uintptr {
return ptr return ptr
} }
func (c *context) unmapPixelBuffer(buffer buffer, width, height int) { func (c *context) unmapPixelBuffer(buffer buffer, t textureNative, width, height int) {
c.bindTexture(t)
_ = c.t.Call(func() error { _ = c.t.Call(func() error {
gl.UnmapBuffer(gl.PIXEL_UNPACK_BUFFER) gl.UnmapBuffer(gl.PIXEL_UNPACK_BUFFER)
gl.TexSubImage2D(gl.TEXTURE_2D, 0, 0, 0, int32(width), int32(height), gl.RGBA, gl.UNSIGNED_BYTE, nil) gl.TexSubImage2D(gl.TEXTURE_2D, 0, 0, 0, int32(width), int32(height), gl.RGBA, gl.UNSIGNED_BYTE, nil)

4
internal/graphicsdriver/opengl/pbo_desktop.go
View File

@ -44,7 +44,7 @@ func (s *pboState) mapPBO(img *Image) {
} }
s.image = img s.image = img
s.mappedPBO = img.driver.context.mapPixelBuffer(img.pbo, img.textureNative) s.mappedPBO = img.driver.context.mapPixelBuffer(img.pbo)
if s.mappedPBO == 0 { if s.mappedPBO == 0 {
panic("opengl: mapPixelBuffer failed") panic("opengl: mapPixelBuffer failed")
@ -69,7 +69,7 @@ func (s *pboState) draw(pix []byte, x, y, width, height int) {
func (s *pboState) unmapPBO() { func (s *pboState) unmapPBO() {
i := s.image i := s.image
i.driver.context.unmapPixelBuffer(i.pbo, i.width, i.height) i.driver.context.unmapPixelBuffer(i.pbo, i.textureNative, i.width, i.height)
s.image = nil s.image = nil
s.mappedPBO = 0 s.mappedPBO = 0