Remove texture copy functionality

Way too much of a pain to implement cross platform (mostly just a bunch
of parameter structs to make). Either way compute stuff is entirely
nonfunctional right now and will need to be redone. Plus, only the
bucket used this.

This makes the texture_manager fully render backend agnostic. Finally.

Author: codebycruz

packages/arisu-gfx/command_encoder.lua

@@ -1,4 +1,4 @@
----@class gfx.TextureDataDescriptor
+---@class gfx.TextureWriteDescriptor
 ---@field width number
 ---@field height number
 ---@field depth number? # For 3D textures
@@ -31,7 +31,7 @@
 ---@field draw fun(self: gfx.CommandEncoder, vertexCount: number, instanceCount: number, firstVertex: number?, firstInstance: number?)
 ---@field drawIndexed fun(self: gfx.CommandEncoder, indexCount: number, instanceCount: number, firstIndex: number?, baseVertex: number?, firstInstance: number?)
 ---@field writeBuffer fun(self: gfx.CommandEncoder, buffer: gfx.Buffer, size: number, data: ffi.cdata*, offset: number?)
----@field writeTexture fun(self: gfx.CommandEncoder, texture: gfx.Texture, descriptor: gfx.TextureDataDescriptor, data: ffi.cdata*)
+---@field writeTexture fun(self: gfx.CommandEncoder, texture: gfx.Texture, descriptor: gfx.TextureWriteDescriptor, data: ffi.cdata*)
 local Encoder = require("arisu-gfx.encoder.gl") --[[@as gfx.CommandEncoder]]
 
 return Encoder

packages/arisu-gfx/command_encoder/gl.lua

@@ -11,7 +11,7 @@ local GLCommandBuffer = require("arisu-gfx.command_buffer.gl")
 ---| { type: "draw", vertexCount: number, instanceCount: number, firstVertex: number, firstInstance: number }
 ---| { type: "drawIndexed", indexCount: number, instanceCount: number, firstIndex: number, baseVertex: number, firstInstance: number }
 ---| { type: "writeBuffer", buffer: gfx.gl.Buffer, size: number, data: ffi.cdata*, offset: number }
----| { type: "writeTexture", texture: gfx.gl.Texture, descriptor: gfx.TextureDataDescriptor, data: ffi.cdata* }
+---| { type: "writeTexture", texture: gfx.gl.Texture, descriptor: gfx.TextureWriteDescriptor, data: ffi.cdata* }
 
 ---@class gfx.gl.Encoder
 ---@field commands gfx.gl.Command[]
@@ -108,7 +108,7 @@ function GLCommandEncoder:writeBuffer(buffer, size, data, offset)
 end
 
 ---@param texture gfx.gl.Texture
----@param descriptor gfx.TextureDataDescriptor
+---@param descriptor gfx.TextureWriteDescriptor
 ---@param data ffi.cdata*
 function GLCommandEncoder:writeTexture(texture, descriptor, data)
 	self.commands[#self.commands + 1] = {

packages/arisu-gfx/queue.lua

@@ -1,7 +1,7 @@
 ---@class gfx.Queue
 ---@field submit fun(self: gfx.Queue, commandBuffer: gfx.CommandBuffer)
 ---@field writeBuffer fun(self: gfx.Queue, buffer: gfx.Buffer, size: number, data: ffi.cdata*, offset: number?)
----@field writeTexture fun(self: gfx.Queue, texture: gfx.Texture, descriptor: gfx.TextureDataDescriptor, data: ffi.cdata*)
+---@field writeTexture fun(self: gfx.Queue, texture: gfx.Texture, descriptor: gfx.TextureWriteDescriptor, data: ffi.cdata*)
 local Queue = require("arisu-gfx.queue.gl") --[[@as gfx.Queue]]
 
 return Queue

packages/arisu-gfx/queue/gl.lua

@@ -29,7 +29,7 @@ end
 
 --- Helper method to write data to a texture
 ---@param texture gfx.gl.Texture
----@param descriptor gfx.TextureDataDescriptor
+---@param descriptor gfx.TextureWriteDescriptor
 ---@param data ffi.cdata*
 function GLQueue:writeTexture(texture, descriptor, data)
 	local cmd = GLCommandEncoder.new()

packages/arisu-gfx/texture/gl.lua

@@ -57,7 +57,7 @@ function GLTexture.new(device, descriptor)
 	return setmetatable({ framebuffer = 0, id = id, descriptor = descriptor }, GLTexture)
 end
 
----@param desc gfx.TextureDataDescriptor
+---@param desc gfx.TextureWriteDescriptor
 ---@param data ffi.cdata*
 function GLTexture:writeData(desc, data)
 	local extents = self.descriptor.extents

packages/arisu/gl/texture_manager.lua

@@ -1,7 +1,6 @@
 local ffi = require("ffi")
 
 local util = require("arisu-util")
-local gl = require("arisu-opengl")
 local gfx = require("arisu-gfx")
 
 local Image = require("arisu-image")
@@ -103,34 +102,6 @@ function TextureManager:allocate(width, height)
 	return layer
 end
 
----@param source Texture
----@param destination Texture
-function TextureManager:copy(source, destination)
-	assert(self.textures[source], "Source texture does not exist")
-	assert(self.textures[destination], "Destination texture does not exist")
-
-	local width = math.min(self.textures[source].width, self.textures[destination].width)
-	local height = math.min(self.textures[source].height, self.textures[destination].height)
-
-	gl.copyImageSubData(
-		self.texture.id,
-		gl.TEXTURE_2D_ARRAY,
-		0,
-		0,
-		0,
-		source,
-		self.texture.id,
-		gl.TEXTURE_2D_ARRAY,
-		0,
-		0,
-		0,
-		destination,
-		width,
-		height,
-		1
-	)
-end
-
 ---@param image Image
 function TextureManager:update(texture, image)
 	assert(self.textures[texture], "Texture does not exist")