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all: remove Z buffer support

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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
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gpu/internal/opengl/srgb.go
-7
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@@ -22,7 +22,6 @@ type SRGBFBO struct {
viewport image.Point
fbo gl.Framebuffer
tex gl.Texture
depth gl.Renderbuffer
blitted bool
quad gl.Buffer
prog gl.Program
@@ -47,7 +46,6 @@ func NewSRGBFBO(f *gl.Functions, state *glState) (*SRGBFBO, error) {
format: srgbTriple,
fbo: f.CreateFramebuffer(),
tex: f.CreateTexture(),
depth: f.CreateRenderbuffer(),
}
state.bindTexture(f, 0, s.tex)
f.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE)
@@ -87,7 +85,6 @@ func (s *SRGBFBO) Blit() {
s.c.DrawArrays(gl.TRIANGLE_STRIP, 0, 4)
s.state.bindFramebuffer(s.c, gl.FRAMEBUFFER, s.fbo)
s.c.InvalidateFramebuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0)
s.c.InvalidateFramebuffer(gl.FRAMEBUFFER, gl.DEPTH_ATTACHMENT)
}
func (s *SRGBFBO) Framebuffer() gl.Framebuffer {
@@ -104,11 +101,8 @@ func (s *SRGBFBO) Refresh(viewport image.Point) error {
s.viewport = viewport
s.state.bindTexture(s.c, 0, s.tex)
s.c.TexImage2D(gl.TEXTURE_2D, 0, s.format.internalFormat, viewport.X, viewport.Y, s.format.format, s.format.typ)
s.state.bindRenderbuffer(s.c, gl.RENDERBUFFER, s.depth)
s.c.RenderbufferStorage(gl.RENDERBUFFER, gl.DEPTH_COMPONENT16, viewport.X, viewport.Y)
s.state.bindFramebuffer(s.c, gl.FRAMEBUFFER, s.fbo)
s.c.FramebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, s.tex, 0)
s.c.FramebufferRenderbuffer(gl.FRAMEBUFFER, gl.DEPTH_ATTACHMENT, gl.RENDERBUFFER, s.depth)
if st := s.c.CheckFramebufferStatus(gl.FRAMEBUFFER); st != gl.FRAMEBUFFER_COMPLETE {
return fmt.Errorf("sRGB framebuffer incomplete (%dx%d), status: %#x error: %x", viewport.X, viewport.Y, st, s.c.GetError())
}
@@ -135,7 +129,6 @@ func (s *SRGBFBO) Refresh(viewport image.Point) error {
func (s *SRGBFBO) Release() {
s.state.deleteFramebuffer(s.c, s.fbo)
s.state.deleteTexture(s.c, s.tex)
s.state.deleteRenderbuffer(s.c, s.depth)
if s.blitted {
s.state.deleteBuffer(s.c, s.quad)
s.state.deleteProgram(s.c, s.prog)