/*************************************************************************/
/*  canvas_texture_storage.cpp                                           */
/*************************************************************************/
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
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#ifdef GLES3_ENABLED

#include "canvas_texture_storage.h"

using namespace GLES3;

CanvasTextureStorage *CanvasTextureStorage::singleton = nullptr;

CanvasTextureStorage *CanvasTextureStorage::get_singleton() {
	return singleton;
}

CanvasTextureStorage::CanvasTextureStorage() {
	singleton = this;
}

CanvasTextureStorage::~CanvasTextureStorage() {
	singleton = nullptr;
}

RID CanvasTextureStorage::canvas_texture_allocate() {
	return canvas_texture_owner.allocate_rid();
}

void CanvasTextureStorage::canvas_texture_initialize(RID p_rid) {
	canvas_texture_owner.initialize_rid(p_rid);
}

void CanvasTextureStorage::canvas_texture_free(RID p_rid) {
	canvas_texture_owner.free(p_rid);
}

void CanvasTextureStorage::canvas_texture_set_channel(RID p_canvas_texture, RS::CanvasTextureChannel p_channel, RID p_texture) {
	CanvasTexture *ct = canvas_texture_owner.get_or_null(p_canvas_texture);
	switch (p_channel) {
		case RS::CANVAS_TEXTURE_CHANNEL_DIFFUSE: {
			ct->diffuse = p_texture;
		} break;
		case RS::CANVAS_TEXTURE_CHANNEL_NORMAL: {
			ct->normal_map = p_texture;
		} break;
		case RS::CANVAS_TEXTURE_CHANNEL_SPECULAR: {
			ct->specular = p_texture;
		} break;
	}
}

void CanvasTextureStorage::canvas_texture_set_shading_parameters(RID p_canvas_texture, const Color &p_specular_color, float p_shininess) {
	CanvasTexture *ct = canvas_texture_owner.get_or_null(p_canvas_texture);
	ct->specular_color.r = p_specular_color.r;
	ct->specular_color.g = p_specular_color.g;
	ct->specular_color.b = p_specular_color.b;
	ct->specular_color.a = p_shininess;
}

void CanvasTextureStorage::canvas_texture_set_texture_filter(RID p_canvas_texture, RS::CanvasItemTextureFilter p_filter) {
	CanvasTexture *ct = canvas_texture_owner.get_or_null(p_canvas_texture);
	ct->texture_filter = p_filter;
}

void CanvasTextureStorage::canvas_texture_set_texture_repeat(RID p_canvas_texture, RS::CanvasItemTextureRepeat p_repeat) {
	CanvasTexture *ct = canvas_texture_owner.get_or_null(p_canvas_texture);
	ct->texture_repeat = p_repeat;
}

#endif // !GLES3_ENABLED