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refactor renderer resizes

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This commit is contained in:
Edgaru089 2022-02-21 14:09:38 +08:00
parent 203b77c32f
commit 5155008bf0
1 changed files with 16 additions and 15 deletions
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31
internal/render/render_world.go
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@ -293,6 +293,21 @@ func (r *WorldRenderer) Init(w *world.World) (err error) {
// ResizeDisplay resizes the size of the internal buffers dependent on the window size.
// It is called automatically most of the time.
func (r *WorldRenderer) ResizeDisplay(newSize itype.Vec2i) {
gl.BindTexture(gl.TEXTURE_2D, r.gbuffer.pos) // G-Buffer, Position
gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RGBA32F, int32(io.DisplaySize[0]), int32(io.DisplaySize[1]), 0, gl.RGBA, gl.FLOAT, nil)
gl.BindTexture(gl.TEXTURE_2D, r.gbuffer.norm) // G-Buffer, Normal
gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RGBA16F, int32(io.DisplaySize[0]), int32(io.DisplaySize[1]), 0, gl.RGBA, gl.FLOAT, nil)
gl.BindTexture(gl.TEXTURE_2D, r.gbuffer.color) // G-Buffer, Albedo Color
gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RGBA, int32(io.DisplaySize[0]), int32(io.DisplaySize[1]), 0, gl.RGBA, gl.UNSIGNED_BYTE, nil)
gl.BindRenderbuffer(gl.RENDERBUFFER, r.gbuffer.depth) // G-Buffer, Depth (Renderbuffer)
gl.RenderbufferStorage(gl.RENDERBUFFER, gl.DEPTH_COMPONENT16, int32(io.DisplaySize[0]), int32(io.DisplaySize[1]))
gl.BindTexture(gl.TEXTURE_2D, r.ssao.ambient) // SSAO Output Ambient Strength
gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RED, int32(io.DisplaySize[0]), int32(io.DisplaySize[1]), 0, gl.RED, gl.UNSIGNED_BYTE, nil)
gl.BindTexture(gl.TEXTURE_2D, r.ssao.blur.output) // SSAO Blurred Output
gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RED, int32(io.DisplaySize[0]), int32(io.DisplaySize[1]), 0, gl.RED, gl.UNSIGNED_BYTE, nil)
gl.BindTexture(gl.TEXTURE_2D, r.output.tex) // Output Texture
gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RGBA, int32(io.DisplaySize[0]), int32(io.DisplaySize[1]), 0, gl.RGBA, gl.UNSIGNED_BYTE, nil)
r.lastDisplaySize = newSize
}
var (
@ -312,21 +327,7 @@ func (r *WorldRenderer) Render(world *world.World, view *View) {
// re-generate the G-buffers if the display size changed
if r.lastDisplaySize != io.DisplaySize {
gl.BindTexture(gl.TEXTURE_2D, r.gbuffer.pos) // G-Buffer, Position
gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RGBA32F, int32(io.DisplaySize[0]), int32(io.DisplaySize[1]), 0, gl.RGBA, gl.FLOAT, nil)
gl.BindTexture(gl.TEXTURE_2D, r.gbuffer.norm) // G-Buffer, Normal
gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RGBA16F, int32(io.DisplaySize[0]), int32(io.DisplaySize[1]), 0, gl.RGBA, gl.FLOAT, nil)
gl.BindTexture(gl.TEXTURE_2D, r.gbuffer.color) // G-Buffer, Albedo Color
gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RGBA, int32(io.DisplaySize[0]), int32(io.DisplaySize[1]), 0, gl.RGBA, gl.UNSIGNED_BYTE, nil)
gl.BindRenderbuffer(gl.RENDERBUFFER, r.gbuffer.depth) // G-Buffer, Depth (Renderbuffer)
gl.RenderbufferStorage(gl.RENDERBUFFER, gl.DEPTH_COMPONENT16, int32(io.DisplaySize[0]), int32(io.DisplaySize[1]))
gl.BindTexture(gl.TEXTURE_2D, r.ssao.ambient) // SSAO Output Ambient Strength
gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RED, int32(io.DisplaySize[0]), int32(io.DisplaySize[1]), 0, gl.RED, gl.UNSIGNED_BYTE, nil)
gl.BindTexture(gl.TEXTURE_2D, r.ssao.blur.output) // SSAO Blurred Output
gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RED, int32(io.DisplaySize[0]), int32(io.DisplaySize[1]), 0, gl.RED, gl.UNSIGNED_BYTE, nil)
gl.BindTexture(gl.TEXTURE_2D, r.output.tex) // Output Texture
gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RGBA, int32(io.DisplaySize[0]), int32(io.DisplaySize[1]), 0, gl.RGBA, gl.UNSIGNED_BYTE, nil)
r.lastDisplaySize = io.DisplaySize
r.ResizeDisplay(io.DisplaySize)
}
imgui.SliderFloat3("Sun", &sun, -1, 1)