From 3275ae4948fd2c1bb8da780214cbb741dc3178be Mon Sep 17 00:00:00 2001
From: sanine <sanine.not@pm.me>
Date: Fri, 12 May 2023 01:16:46 -0500
Subject: begin refactor

---
 honey/shader.lua | 136 -------------------------------------------------------
 1 file changed, 136 deletions(-)
 delete mode 100644 honey/shader.lua

(limited to 'honey/shader.lua')

diff --git a/honey/shader.lua b/honey/shader.lua
deleted file mode 100644
index 6b281f7..0000000
--- a/honey/shader.lua
+++ /dev/null
@@ -1,136 +0,0 @@
-local gl = honey.gl
-
-local module = {}
-setmetatable(module, {__index=_G})
-setfenv(1, module)
-
-
-Shader = {}
-Shader.__index = Shader
-
-local function compileShader(source, type)
-	local shader = gl.CreateShader(type)
-	gl.ShaderSource(shader, source)
-	gl.CompileShader(shader)
-	return shader
-end
-
-local function readFile(filename)
-	local f, err = io.open(filename)
-	if not f then error(err) end
-	local str = f:read("*a")
-	f:close()
-	return str
-end
-
-function Shader.new(_, sources)
-	local self = {}
-	self.locations = {}
-	self.links = {}
-
-	if sources.vertexFile then
-		sources.vertex = readFile(sources.vertexFile)
-	end
-	if sources.fragmentFile then
-		sources.fragment = readFile(sources.fragmentFile)
-	end
-
-	local shaders = {}
-	if sources.vertex then
-		table.insert(shaders, compileShader(sources.vertex, gl.VERTEX_SHADER))
-	end
-	if sources.fragment then
-		table.insert(shaders, compileShader(sources.fragment, gl.FRAGMENT_SHADER))
-	end
-
-	self.program = gl.CreateProgram()
-	for _, shader in ipairs(shaders) do
-		gl.AttachShader(self.program, shader)
-	end
-	gl.LinkProgram(self.program)
-	for _, shader in ipairs(shaders) do
-		gl.DeleteShader(shader)
-	end
-
-	self.__gc = honey.util.gc_canary(function()
-		gl.DeleteProgram(self.program)
-	end)
-
-	setmetatable(self, Shader)
-	return self
-end
-setmetatable(Shader, {__call=Shader.new})
-
-
-function Shader.getLocation(self, name)
-	if self.locations[name] then
-		return self.locations[name]
-	end
-
-	local location = gl.GetUniformLocation(self.program, name)
-	self.locations[name] = location
-	return location
-end
-
-
-function Shader.use(self)
-	gl.UseProgram(self.program)
-end
-
-
-function Shader.setInt(self, name, value)
-	local location = self:getLocation(name)
-	gl.Uniform1i(location, value)
-end
-function Shader.setFloat(self, name, value)
-	local location = self:getLocation(name)
-	gl.Uniform1f(location, value)
-end
-
-function Shader.setVec3(self, name, value)
-	local location = self:getLocation(name)
-	gl.Uniform3f(location, value[1], value[2], value[3])
-end
-function Shader.setVec4(self, name, value)
-	local location = self:getLocation(name)
-	gl.Uniform3f(location, value[1], value[2], value[3], value[4])
-end
-
-function Shader.setMatrix(self, name, matrix)
-	local location = self:getLocation(name)
-	gl.UniformMatrix4fv(location, false, matrix.data)
-end
-
-
-function Shader.configure(self, tbl)
-	local processKey = function(key, set)
-		local subtbl = tbl[key]
-		if subtbl then
-			for name, value in pairs(subtbl) do 
-				self[set](self, name, value) 
-			end
-		end
-	end
-
-	processKey("int", "setInt")
-	processKey("float", "setFloat")
-	processKey("vec3", "setVec3")
-	processKey("vec4", "setVec4")
-	processKey("matrix", "setMatrix")
-end
-
-
-local shaderCache = {}
-function loadShader(vertex, fragment)
-	local id = vertex .. "+" .. fragment
-	if not shaderCache[id] then
-		local shader = Shader{vertexFile=vertex, fragmentFile=fragment}
-		shaderCache[id] = shader
-	end
-	return shaderCache[id]
-end
-function clearShaderCache()
-	shaderCache = {}
-end
-
-return module
-- 
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