joejulian/gio
1
0
Fork 1
mirror of https://git.sr.ht/~eliasnaur/gio synced 2026-07-06 01:45:36 +00:00
Code Issues Packages Projects Releases Wiki Activity

all: remove Z buffer support

Browse Source 
It is no longer needed by any rendering backend.

Signed-off-by: Elias Naur <mail@eliasnaur.com>
This commit is contained in:
Elias Naur
2021-08-06 16:36:56 +02:00
parent cea8e21f97
commit 18b4442393
14 changed files with 27 additions and 250 deletions
Download Patch File Download Diff File Expand all files Collapse all files
app/internal/wm/gl_ios.go
+7 -18
View File
@@ -27,13 +27,13 @@ import (
)
type context struct {
owner *window
c *gl.Functions
ctx C.CFTypeRef
layer C.CFTypeRef
init bool
frameBuffer gl.Framebuffer
colorBuffer, depthBuffer gl.Renderbuffer
owner *window
c *gl.Functions
ctx C.CFTypeRef
layer C.CFTypeRef
init bool
frameBuffer gl.Framebuffer
colorBuffer gl.Renderbuffer
}
func init() {
@@ -80,7 +80,6 @@ func (c *context) Release() {
C.gio_renderbufferStorage(c.ctx, 0, C.GLenum(gl.RENDERBUFFER))
c.c.DeleteFramebuffer(c.frameBuffer)
c.c.DeleteRenderbuffer(c.colorBuffer)
c.c.DeleteRenderbuffer(c.depthBuffer)
C.gio_makeCurrent(0)
C.CFRelease(c.ctx)
c.ctx = 0
@@ -90,10 +89,6 @@ func (c *context) Present() error {
if c.layer == 0 {
panic("context is not active")
}
// Discard depth buffer as recommended in
// https://developer.apple.com/library/archive/documentation/3DDrawing/Conceptual/OpenGLES_ProgrammingGuide/WorkingwithEAGLContexts/WorkingwithEAGLContexts.html
c.c.BindFramebuffer(gl.FRAMEBUFFER, c.frameBuffer)
c.c.InvalidateFramebuffer(gl.FRAMEBUFFER, gl.DEPTH_ATTACHMENT)
c.c.BindRenderbuffer(gl.RENDERBUFFER, c.colorBuffer)
if C.gio_presentRenderbuffer(c.ctx, C.GLenum(gl.RENDERBUFFER)) == 0 {
return errors.New("presentRenderBuffer failed")
@@ -120,7 +115,6 @@ func (c *context) Refresh() error {
c.init = true
c.frameBuffer = c.c.CreateFramebuffer()
c.colorBuffer = c.c.CreateRenderbuffer()
c.depthBuffer = c.c.CreateRenderbuffer()
}
if !c.owner.isVisible() {
// Make sure any in-flight GL commands are complete.
@@ -132,14 +126,9 @@ func (c *context) Refresh() error {
if C.gio_renderbufferStorage(c.ctx, c.layer, C.GLenum(gl.RENDERBUFFER)) == 0 {
return errors.New("renderbufferStorage failed")
}
w := c.c.GetRenderbufferParameteri(gl.RENDERBUFFER, gl.RENDERBUFFER_WIDTH)
h := c.c.GetRenderbufferParameteri(gl.RENDERBUFFER, gl.RENDERBUFFER_HEIGHT)
c.c.BindRenderbuffer(gl.RENDERBUFFER, c.depthBuffer)
c.c.RenderbufferStorage(gl.RENDERBUFFER, gl.DEPTH_COMPONENT16, w, h)
c.c.BindRenderbuffer(gl.RENDERBUFFER, currentRB)
c.c.BindFramebuffer(gl.FRAMEBUFFER, c.frameBuffer)
c.c.FramebufferRenderbuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, c.colorBuffer)
c.c.FramebufferRenderbuffer(gl.FRAMEBUFFER, gl.DEPTH_ATTACHMENT, gl.RENDERBUFFER, c.depthBuffer)
if st := c.c.CheckFramebufferStatus(gl.FRAMEBUFFER); st != gl.FRAMEBUFFER_COMPLETE {
return fmt.Errorf("framebuffer incomplete, status: %#x\n", st)
}