material-maker/addons/material_maker/engine/renderer.gd
RodZill4 ff191538f6 Added group creation and refactoring.
Moved handling of the "global" definitions of shaders into main shader generation code.
Added group creation (does not create inputs yet, and remotes should be cleaned).
updated all preview meshes (to fix problems with depth).
2019-09-29 10:07:32 +02:00

98 lines
2.8 KiB
GDScript

tool
extends Viewport
class_name MMGenRenderer
export(String) var debug_path = null
var debug_file_index : int = 0
var rendering : bool = false
signal done
func _ready():
$ColorRect.material = $ColorRect.material.duplicate(true)
static func generate_shader(src_code):
var code
code = "shader_type canvas_item;\n"
code += "render_mode blend_disabled;\n"
var file = File.new()
file.open("res://addons/material_maker/common.shader", File.READ)
code += file.get_as_text()
code += "\n"
if src_code.has("textures"):
for t in src_code.textures.keys():
code += "uniform sampler2D "+t+";\n"
if src_code.has("globals"):
for g in src_code.globals:
code += g
var shader_code = src_code.defs
shader_code += "\nvoid fragment() {\n"
shader_code += src_code.code
shader_code += "COLOR = "+src_code.rgba+";\n"
shader_code += "}\n"
#print("GENERATED SHADER:\n"+shader_code)
code += shader_code
return code
static func generate_combined_shader(red_code, green_code, blue_code):
var code
code = "shader_type canvas_item;\n"
code += "render_mode blend_disabled;\n"
var file = File.new()
file.open("res://addons/material_maker/common.shader", File.READ)
code += file.get_as_text()
code += "\n"
if red_code.has("globals"):
for g in red_code.globals:
code += g
if green_code.has("globals"):
for g in green_code.globals:
code += g
if blue_code.has("globals"):
for g in blue_code.globals:
code += g
var shader_code = ""
shader_code += red_code.defs
shader_code += green_code.defs
shader_code += blue_code.defs
shader_code += "void fragment() {\n"
shader_code += red_code.code
shader_code += green_code.code
shader_code += blue_code.code
shader_code += "COLOR = vec4("+red_code.f+", "+green_code.f+", "+blue_code.f+", 1.0);\n"
shader_code += "}\n"
#print("GENERATED COMBINED SHADER:\n"+shader_code)
code += shader_code
return code
func setup_material(shader_material, textures, shader_code):
for k in textures.keys():
shader_material.set_shader_param(k+"_tex", textures[k])
shader_material.shader.code = shader_code
func render_shader(shader, textures, render_size):
while rendering:
yield(self, "done")
rendering = true
if debug_path != null and debug_path != "":
var f = File.new()
f.open(debug_path+str(debug_file_index)+".shader", File.WRITE)
f.store_string(shader)
f.close()
debug_file_index += 1
size = Vector2(render_size, render_size)
$ColorRect.rect_position = Vector2(0, 0)
$ColorRect.rect_size = size
var shader_material = $ColorRect.material
shader_material.shader.code = shader
if textures != null:
for k in textures.keys():
shader_material.set_shader_param(k, textures[k])
render_target_update_mode = Viewport.UPDATE_ONCE
update_worlds()
yield(get_tree(), "idle_frame")
yield(get_tree(), "idle_frame")
rendering = false
return true
emit_signal("done")